37results about How to "Realize elastic clamping" patented technology

The invention discloses a shear test fixture. The shear test fixture can simultaneously satisfy the use of shear strength tests on Z-shaped and T-shaped samples. By using the flexible adjustment of a lower slide block selecting gaskets with different thicknesses, the fixture can be applied to samples with different thicknesses, thereby increasing the versatility of samples; and due to the addition of a fore applied spring and a positioning slide block, the force exerted on a sample in a clamped state can be adjusted, so that the elastic clamping of the sample is realized, therefore, the fixture has the advantages of ensuring that the sample does not slide in the process of testing, and the like.

The invention discloses an automatic light emitting diode packaging detection device capable of automatically removing defective products. The automatic light emitting diode packaging detection devicespecifically comprises a base, a detection table, diodes, a movable guide rail and detection probes, the detection table is mounted in the middle of the top of the base, a waste box is embedded in one side of the top of the base, and a mounting groove is formed in the other side of the top of the base; and a control box is mounted in the mounting groove, a material supply mechanism is mounted atone end of the detection table through a frame body, and a feeding mechanism is fixed to the other end of the detection table through a frame body. The automatic light emitting diode packaging detection device capable of automatically removing the defective products is provided with the movable guide rail, the two detection probes and an infrared locator, so that automatic positioning detection can be achieved, manual operation is not needed, the detection efficiency is higher, assembly line type detection can be conveniently conducted on the diodes, movement between the detection probes doesnot interfere with each other, the diodes of different specifications can be conveniently detected, and the applicability is higher.

A fracture auxiliary fixing clamp comprises fixing mechanisms and leg locking mechanisms, and the leg locking mechanisms are installed on the fixing mechanisms in a sliding mode; each fixing mechanismcomprises connecting belts, a fixing plate and a winding shaft, wherein the fixing plate is connected through the connecting belts, and a fracture part is fixed through the fixing plate; winding shafts are installed on the connecting belts, and the multiple connecting belts are adjusted through the multiple winding shafts, so that the effect that the fixing plates are inconsistent in up-down tightness and then the fixing plates adapt to different thicknesses of arms or legs; and a massage dressing change mechanism is installed on the inner side of each fixing plate and is used for conductingmassage and dressing change on the fracture position. When the fracture auxiliary fixing clamp is used, adjustment is convenient, and the binding effect is better. The clamping force of the fixing side plates on a fracture part is adjusted by adjusting the distance of the springs.

The invention relates to a cleaning device for a high voltage cable, in particular to an ice and snow removing robot for the high voltage cable. The ice and snow removing robot for the high voltage cable includes a cable lower pushing device, an upper clamping device, a cleaning rack, a driven millstone assembly and a cleaner; the cleaning rack is fixedly connected to a lower end of the cable lower pushing device; the driven millstone assembly is rotatably connected to the cleaning rack; a right end of the cleaner is slidingly hinged to the cleaning rack; the driven millstone assembly is positioned between the cable lower pushing device and the cleaner; the driven millstone assembly is drivingly connected to the cable lower pushing device; and the driven millstone assembly is linked with the cleaner. Elastic clamping of the cable can be achieved, and then the ice and snow removing robot for the high voltage cable can move forward along the cable; abnormal operation of a drive motor dueto hard ice can be avoided; ice on the lower end of the cable can be removed; and the ice and snow removing robot can adapt to an arc generated by drooping of the central end of the cable.

The invention relates to a clamping device for a thin-wall sleeve. The clamping device comprises a fixed rod, a round plate, a connecting rod, a clamping mechanism and a driving mechanism. The clamping mechanism comprises a clamping assembly and a limiting assembly. The driving mechanism comprises a first fixed pulley and a driving assembly. According to the clamping device for the thin-wall sleeve, the thin-wall sleeve is fixed through the clamping mechanism, elastic clamping of clamping plates on the outer ring of the thin-wall sleeve is achieved through the restoring force of a first spring, and the situation that due to the fact that the clamping force is too large, the thin-wall sleeve deforms is avoided; meanwhile, the friction force of the clamping device and the thin-wall sleeve isincreased through a rubber pad and protrusions, and the thin-wall sleeve is prevented from rotating accordingly during end face machining; the end face in the thin-wall sleeve is fixed through a magnet, and therefore dual fixing on the thin-wall sleeve is achieved; and meanwhile, the magnitude of the magnetic force of the magnet is adjusted through an adjusting unit, the situation that due to thefact that the magnetic force is too large, the thin-wall sleeve deforms is avoided, the clamping assembly is controlled through the driving mechanism, and therefore the thin-wall sleeve is mounted more conveniently, and the mounting efficiency is improved.

The invention relates to a grinding device with the good clamping effect. The grinding device comprises a fixed box, a base, a driving mechanism and a clamping mechanism, the driving mechanism comprises a driving box, a rotating rod and a grinding block, and the clamping mechanism comprises a clamping assembly and a fixing assembly. According to the grinding device with the good clamping effect, azinc block is ground through the driving mechanism, and the zinc block is fixed through the clamping mechanism; compared with an existing clamping mechanism, the clamping mechanism realizes elastic clamping of the zinc block through restoring force of a second spring, meanwhile, the zinc block is limited through a clamping unit, the bottom of the zinc block is fixed through suction force of an air pump, and meanwhile, air blowing of the grinding block can further be achieved; and zinc powder is prevented from being adhered to the grinding block to affect the grinding efficiency.

The invention discloses a special tool for cable erection for realizing transmission of cables. The cable erection specified tool includes a pedestal, a screw, clamping plates, a frame, a swinging pole, rotating bodies and a locking mechanism. The left and right sides of the pedestal are separately provided with a screw. One end of the screw on the internal side of the pedestal is fixedly provided with the clamping plate. The clamping plates cooperate to clamp a cable holder. The top part of pedestal is fixedly provided with a square-bracket-shaped frame. An opened end of the frame is in hinging installation with the swinging pole. The swinging pole and the frame are provided therebetween with the locking mechanism. The swinging pole and the frame enclose to form a square frame under the action of the locking mechanism. The lower side, left side and upper side of the frame and the swinging pole are separately provided with the rotating bodies which are capable of rotating 360 degrees with respect to the frame and the swinging pole. The four rotating bodies enclose to form a clamping space which clamps cables. The tool can perform elastic clamping of the cables, can help the transmission of the cables inside cable channels, can greatly increase construction efficiency of the cables and is labor saving.

The invention discloses a shear test fixture. The shear test fixture can simultaneously satisfy the use of shear strength tests on Z-shaped and T-shaped samples. By using the flexible adjustment of a lower slide block selecting gaskets with different thicknesses, the fixture can be applied to samples with different thicknesses, thereby increasing the versatility of samples; and due to the addition of a fore applied spring and a positioning slide block, the force exerted on a sample in a clamped state can be adjusted, so that the elastic clamping of the sample is realized, therefore, the fixture has the advantages of ensuring that the sample does not slide in the process of testing, and the like.

The invention discloses a tree support frame. The tree support frame includes a fixing frame and four support frames for supporting around the fixing frame, wherein the fixing frame is a square frame,four sides of the square frame are provided with moving grooves, the moving grooves are internally provided with four moving fixing sleeves, outer ends of the four moving fixing sleeves stretch out of outer ends of the moving grooves, inner arc structures of the four moving fixing sleeves form an entire circle, the support frames are provided with a spring baffle plate, the spring baffle plate isprovided with a spring fixing shaft, one end of a spring is mounted on the spring fixing shaft, and the other end of the spring is connected with the outer ends of the moving fixing sleeves. The treesupport frame is advantaged in that vertical growth of trees can be guaranteed through the fixing sleeves, the movable fixing sleeve can ensure lateral growth of the trees without damage, the movingfixing sleeves are pushed by elasticity of the spring to realize elastic clamping of the trees, the trees having different thicknesses can be fixed, barks of the trees can be prevented from being broken, and growth of the trees is not influenced.

The invention discloses an inner diameter spiral scanning defect detection device, and the device comprises a camera capable of linearly moving and a clamping mechanism capable of rotating around a circle; a low-angle strip-shaped light source is used for supplementing a light source to the inner wall of a detected metal cylinder, low-angle light supplementing is used, so the camera is in a bright field, the defect is clearer, a light source irradiates on the inner wall of the metal cylinder to be detected and is received by the reflecting prism, light received by the reflecting prism is reflected to the telecentric lens, the telecentric lens realizes a low-distortion image, defect reduction is realized more accurately, the telecentric lens restores the image to the camera, so as to detect the inner diameter defects of a detected metal cylinder; the first driving unit is combined with the second driving unit to achieve spiral scanning of the detected metal cylinder; in the device, spiral rapid detection is achieved in a two-axis linkage mode, scanned irregular images are spliced through rear-end image processing, the rigidity change of the images is performed, and a cylindrical surface complete graph is extracted.

The invention discloses a directional corn seeding machine. The directional corn seeding machine comprises a seeding machine frame; a cache material hopper for containing the corn granules is installed on the seeding machine frame; a granule positioning mechanism is installed on the seeding machine frame; the granule positioning mechanism comprises a first material inlet end and a first material outlet end, wherein the first material inlet end is corresponding to the material outlet of the cache material hopper so as to receive the corn granules discharged from the cache material hopper; the corn granules are positioned in the predetermined direction by the first material inlet end and then conveyed to the first material outlet end; a seed arranging mechanism is installed on the seeding machine frame; the seed arranging mechanism comprises a second material inlet end and a second material outlet end, wherein the second material inlet end is corresponding to the first material outlet end so as to receive the corn granules discharged from the first material outlet end; the corn granules are arranged in the predetermined direction and intervals by the second material inlet end and then conveyed to the second material outlet end; and the corn granules are then discharged from the second material outlet end and placed on a seedbed. The corn granules are seeded in the predetermined direction and intervals by the directional corn seeding machine, so that the corn seedlings grow in the predetermined direction and predetermined intervals; thus, illumination conditions of the corns are improved, and yields of the corns are thereby increased.

The invention relates to a sapling fixing device which comprises a fixing box, a humidifying mechanism and a fixing mechanism; the humidifying mechanism comprises a supporting plate, a piston cylinder, a piston rod, a piston, a first spring and a water outlet pipe; and the fixing mechanism comprises a limiting assembly and a fixing assembly. According to the sapling fixing device, soil at the root of a main body is humidified through the humidifying mechanism, so that the soil is prevented from falling off, and therefore the survival rate is increased; meanwhile, the bottom end of the main body is elastically supported through the supporting plate, so that the main body better abuts against the supporting plate, and the transportation stability is improved; the trunk of the main body is fixed and limited through the fixing mechanism; the main body can be elastically clamped through cooperation of a second spring and a lead screw; and meanwhile, the main body can be rigidly clamped by rotating a handle, so that the clamping force of the main body can be freely adjusted by driving on different road sections, the use of operators is facilitated, and the use practicability is improved.

The invention relates to a sawing machine with a good clamping effect. The sawing machine comprises a base, a fixed plate, a movable plate, a driving mechanism and a clamping mechanism; the driving mechanism comprises a motor, a lead screw and a walking ring; and the clamping mechanism comprises a connecting plate, an auxiliary plate, a sliding block, a first spring, a clamping assembly, a limiting assembly and an adjusting assembly. According to the sawing machine with the good clamping effect, movement of the movable plate is achieved through the driving mechanism, so that a main body is fixed, elastic clamping of the main body is achieved through the clamping mechanism, and compared with an existing clamping mechanism, the clamping mechanism pushes the sliding block to move through theauxiliary plate, so that inflation of an air bag and a piston cylinder is achieved; vertical and transverse elastic fixation of the main body is achieved, deformation of the main body due to too largeclamping force is prevented, meanwhile, the connecting plate and the auxiliary plate are moved through the adjusting assembly, the main body with different heights can be cut, and the use practicability is improved.

The invention relates to a sawing machine good in clamping effect. The sawing machine comprises a fixed box, a fixed plate, a cutting mechanism, a clamping mechanism and a drive mechanism. The drive mechanism comprises a motor, a first lead screw and a second lead screw. The clamping mechanism comprises a clamping assembly and a fixed assembly. According to the sawing machine good in clamping effect, a moving plate can move through the drive mechanism, and therefore a workpiece is clamped left and right; meanwhile, through moving of the moving plate, an abutting plate ca move towards a fixed plate, and therefore the workpiece is fixed and limited up and down; through cooperation of a first limiting block, a second limiting block and a third limiting block, multiple pieces of round steel are cut at the same time, and clamping is stable; through a second spring arranged in a connecting groove, the workpiece can be clamped elastically; and meanwhile a certain vibration reduction functionis achieved, the situation that tools are damaged during workpiece vibration during machining is effectively avoided, and use practicality is improved.

The invention discloses a detection tool for a left front wall outer side plate assembly and belongs to the technical field of part detection. The detection tool comprises a transverse plate, a supporting column is mounted at the top of the transverse plate; a top plate is mounted at the top of the supporting column; a detection assembly is mounted at the top of the transverse plate; a movable block is mounted at the bottom of the top plate in a sliding manner; a vertical plate is installed at the bottom of the movable block, a vertically-arranged lifting plate is installed on the vertical plate in a sliding mode, two symmetrically-arranged swing rods are hinged to the bottom of the lifting plate, a positioning plate is rotatably installed on the opposite sides of the two swing rods, a bottom plate is installed at one end of the positioning plate, and an arc-shaped rod is installed on the positioning plate in a sliding mode; when the left front wall outer side plate is positioned and clamped, damage to the left front wall outer side plate is avoided through elastic clamping, the positioning effect is good, height, angle, horizontal position and turnover adjustment can be conductedon the left front wall outer side plate when positioning and clamping are achieved, and the requirement for multi-directional detection is met.

The invention provides a 3D automatic laser cutting device, and relates to the technical field of laser cutting. The problem that residues generated by cutting cannot be synchronously cleaned in the moving cutting process through structural improvement, and automatic cooling of a cutting head cannot be automatically achieved after moving cutting through structural improvement are solved. The 3D automatic laser cutting device comprises a base, and the base is of a rectangular block structure. Because a baffle is welded on a connecting block, and the baffle is connected to a seat body B in a sliding manner; the baffle is of a rectangular plate-shaped structure and located on the inner sides of the sliding rod B and an elastic piece, and therefore the situation that a cutting piece is in contact with the elastic piece and consequently the elastic piece is damaged can be avoided through protection of the baffle; a cleaning arm is welded to the bottom end face of a left sliding seat and is of a T-shaped rod-shaped structure; and the cleaning arm penetrates through a through hole B and a through hole A, and the bottom end face of the cleaning arm is in contact with the top end face of the base, so that residues on the top end face of the base can be cleaned through the cleaning arm when the sliding base slides.

The invention relates to a router with a good contact effect, the router comprises a fixed box, a rotating mechanism and a clamping mechanism, the clamping mechanism comprises a clamping assembly and an abutting assembly, the rotating mechanism comprises a supporting rod, a connecting ring and a rotating assembly, the router with the good contact effect realizes elastic clamping of a main body through the clamping mechanism, so that a clamping plate always abuts against the main body, the rotation of the main body is realized through the rotating mechanism, the contact effect is prevented from being influenced by the breakage of the main body caused by the torsional force of the main body during wiring, the service life of the main body is prolonged, the contact effect is improved, the main body can be clamped through the restoring force of the second spring, and the bending of the main body is prevented; and the main body is protected through the guide mechanism, so that when the main body is driven by an operator carelessly, the operator has enough reaction time, and the use practicability is improved.

The invention relates to grinding equipment with a dust removal function. The grinding equipment comprises a fixing box, a movable door, a fixing plate, a driving mechanism, clamping mechanisms and adust removal mechanism, the driving mechanism comprises a motor, a lead screw, a pressure bearing plate, supporting assemblies and a grinding device, each clamping mechanism comprises a clamping plateand a second spring, and the dust removal mechanism comprises a water tank, a water pump, a water outflow pipe and a water inflow pipe. According to the grinding equipment with the dust removal function, a workpiece is ground through the cooperation of the driving mechanism and the clamping mechanisms, compared with an existing driving mechanism, the pressure bearing plate is moved up and down and rotated by the driving mechanism through the supporting assemblies, and the pressure bearing plate is more stable actively through restoration of first springs; and the workpiece and the grinding device rotate at the same time, the grinding efficiency is improved, elastic clamping of the workpiece is achieved through restoring force of the second springs, purification of dust in the fixing box is achieved through the dust removal mechanism, and the situation that an operator inhales the dust when replacing the workpiece, so that the body is harmed is avoided.

The invention relates to a clamping device for a three-way pipe connector. The clamping device comprises a base, a driving mechanism, a clamping mechanism and limiting mechanisms. The driving mechanism comprises a first screw rod and a shifting ring; the clamping mechanism comprises a connecting plate, a first clamping block, a second clamping block, a first V-shaped block and a clamping assembly;and each limiting mechanism comprises a moving rod, a supporting assembly and an abutting assembly. According to the clamping device for the three-way pipe connector, primary clamping for the three-way pipe connector is achieved through the first clamping block and the second clamping block, secondary clamping for the three-way pipe connector is achieved through the first V-shaped block and a second V-shaped block, elastic clamping for the three-way pipe connector is achieved through clamping units, positioning for the three-way pipe connector is achieved at the same time, thus, two end openings in the same axis are parallel, and then, limiting and supporting for the two parallel end openings are achieved through the limiting mechanisms. In this way, the stability of the three-way pipe connector is maintained during end face machining, so that machining is stable, and the use practicality is improved.

The invention discloses an electric insulation safety tool performance detection device, which comprises a machine body, a lifting mechanism and a processing device, and is characterized in that the top end of the lifting mechanism is fixedly connected with the top of the inner wall of the machine body, the processing device is arranged at the output end of the lifting mechanism, and the top end of an arc-shaped supporting rod is fixedly connected with the bottom edge of a driving turntable; the clamping testing device is arranged at the bottom end of the arc-shaped supporting rod, the top end of the arc-shaped pressing rod is hinged to the surface of the base body, the pressing head device is arranged at the bottom end of the arc-shaped pressing rod, the curve elastic piece is fixed between the two corresponding sides of the surface of the arc-shaped pressing rod and the surface of the fixing plate, and the testing device is arranged in the center of the bottom of the base body. The invention relates to the technical field of electrical equipment detection. According to the performance detection device for the electric insulation safety tool, the elastic clamping effect is achieved, elastic clamping can be carried out, the device is not prone to being affected by clamping force, then the situation of clamping marks or damage is not prone to occurring, safety and reliability are achieved, and the working efficiency and the use performance are improved.

The invention discloses a moving device with a good clamping effect and an anti-collision function, which comprises a base, rolling wheels, a clamping mechanism and an adjusting mechanism, the base is horizontally arranged, the rolling wheels are installed on the base, the clamping mechanism is arranged on the base, the adjusting mechanism is arranged on one side of the base, and the clamping mechanism comprises a clamping assembly and a pushing assembly; according to the moving device with the good clamping effect and the anti-collision function, through cooperation of the clamping mechanism and the adjusting mechanism, elastic fixing of the main body is achieved, meanwhile, anti-collision and damping of the base can be achieved, and the use practicability is improved. According to the moving device, rigid movement of the base can be achieved, meanwhile, elastic movement of the main body can also be achieved, the pushing rod inclines through the elastically-moved main body, and therefore pushing force is applied to the clamping plate while pushing is conducted, the clamping plate better abuts against the main body, and the clamping effect is improved.

The invention discloses a muscle memory running shoe with a carbon plate and a preparation process thereof, and relates to the field of running shoes, the muscle memory running shoe comprises a sole and a vamp arranged on the sole, the vamp comprises a vamp part, an upper part, a shoe opening and a shoe tongue opening, the muscle memory running shoe is characterized in that a mounting groove is formed in the foot arch position of the bottom of the sole, and the carbon plate is mounted in the mounting groove; the bottom of the mounting groove is open; under the action of the carbon plate, the arch of the shoe sole has good supporting performance, the arch of the shoe sole cannot be bent or deformed during running, an exerciser is prevented from spraining the foot, meanwhile, under the supporting of the carbon plate, when the exerciser runs, counter-acting force can be provided for the foot, and running is more labor-saving and easier.

The invention relates to a bearing anti-pollution ability testing device, which comprises a base on which a bearing inner frame clamp and a bearing outer frame clamp are rotatably connected; wherein the bearing inner frame clamp includes an upper rotating base, A sliding sleeve is sleeved on the upper rotating base. The sliding sleeve is a cylindrical shell structure with an open top. The rotating base is inserted into the cylindrical shell through the opening end of the sliding sleeve; the side wall of the sliding sleeve corresponds to the closed end position. A bearing compression ring is provided on the outer wall of the bearing compression ring, and an elastic deformation ring A is provided on the outer wall of the bearing compression ring; a limit ring is also provided on the rotating base, and a push ring is also provided on the outer wall of the opening end of the sliding sleeve. The ring and the push ring are elastically connected by a stretching spring; the bearing outer frame clamp includes a lower rotating base, and the lower rotating base includes a lower rotating sleeve, and a rotating disc is slidably connected to the lower rotating sleeve, and the outer periphery of the rotating disc An annular support ring is provided, and an elastic deformation ring B is provided on the inner wall of the support ring.

Disclosed is a contact system of a small-sized relay. The contact system comprises movable spring sheets and static spring sheets; one end of each movable spring sheet is arranged opposite to a staticcontact while the other end of the movable spring sheet is electrically connected with the corresponding static spring sheet through a wiring assembly; the wiring assembly comprises a wire and two elastic clamping parts arranged at the two ends of the wire respectively; the two elastic clamping parts are used for connecting the wire and each movable spring sheet, and the wire and each static spring sheet; and one elastic clamping part clamps the end part of each movable spring sheet and one end of the wire, while the other elastic clamping part clamps the end part of each static spring sheetand the other end of the wire. According to the contact system of the small-sized relay provided by the invention, the elastic clamping sheets arranged at the two ends of the wire are adopted to replace conventional welding, so that elastic clamping between the movable spring sheets and the static spring sheets and the wire is realized, convenient and reliable wiring is achieved, the assembling process is improved, influence to the contact caused by smoke generated in welding can be avoided, the welding quality can be improved, and the wire is assembled firmly without falling off easily.

The invention relates to an anti-looseness sieve plate screen. The anti-looseness sieve plate screen comprises at least two base plates and a plurality of core barrels between the base plates. A left retainer and a right retainer are arranged on two sides of the base plates; elastic supporting devices are arranged in an area, opposite to the side walls of the core barrels, in the left retainer; each elastic supporting device comprises a pair of L-shaped fastening strips, an elastic pressure piece and left pressure plates, wherein the two L-shaped fastening strips are arranged on the inner wall of the left retainer, two sides of the elastic pressure piece are clamped into the two fastening strips respectively and in slide fit with the fastening strips, and the left pressure plates are connected with the top of a middle arc portion of the elastic pressure piece; pressurizing devices are arranged in an area, opposite to the side walls of the core barrels, in the right retainer; each pressurizing device comprises a screw rod and right pressure plates, wherein the screw rod penetrates the right retainer to be in threaded connection with the right retainer. By the aid of the elastic supporting devices and the pressurizing devices, elastic clamping of the core barrels between the base plates is realized, and looseness of the core barrels is prevented.

The invention discloses an intelligent terminal with a wireless communication device capable of being replaced by a user, which comprises an intelligent terminal main body, a wireless communication insertion block and an S I M card insertion block, and is characterized in that one side of the intelligent terminal main body is provided with a first slot used for being adaptively inserted into the wireless communication insertion block, and one end of the wireless communication insertion block is provided with a second contact head; the inner end face of the first slot is provided with an elastic joint structure matched with the second contact joint, the other end of the wireless communication insertion block is provided with a second slot used for being adaptively inserted into the S I M card insertion block, and the wireless communication insertion block is provided with a first elastic clamping structure used for clamping the wireless communication insertion block when the wireless communication insertion block is inserted into the first slot. Under the condition that the clamping of the wireless communication insertion block is not affected, the first elastic clamping structure, the pop-up assembly, the second elastic clamping structure and the like are matched to quickly realize the pop-up, disassembly and replacement of the S I M card insertion block, and the second elastic clamping structure can realize the elastic clamping of the S I M card insertion block in the second slot.

The invention provides a convenient-to-use air bubble film winding and packaging device, relates to the technical field of packaging devices, and solves the problem that adhesive tape cutting cannot be automatically achieved after rotating and winding through structural improvement and the problem that the convenience of searching the adhesive tape next time through automatic adhesion of an adhesive tape head when an adhesive tape is cut off cannot be achieved through structural improvement. The convenient-to-use air bubble film winding and packaging device comprises a base; a rotating structure is installed on the base, and a package is fixed to the rotating structure. A poke rod is aligned with a cutter seat in position, and when a handle is pushed to move forwards by 20 cm, the poke rod makes contact with the cutter seat, so that the adhesive tape can be cut off; and fourthly, a stress block is of a rectangular block structure, the stress block and the head end of the adhesive tape are obliquely arranged, and when the cutter pushes the head end of the adhesive tape to make contact with the stress block, the head end of the adhesive tape and the stress block are in an adhesion state, so that the head end of the adhesive tape can be conveniently and quickly found when the adhesive tape is used next time.

The invention relates to a grinding device with a good clamping effect and for flanges. The grinding device comprises a base, a circular plate, a motor, clamping mechanisms and grinding mechanisms. The clamping mechanisms comprise clamping plates, balancing weights, positioning rods, first springs and first sliding blocks. The grinding mechanisms comprise moving plates, grinding blocks, second springs, second sliding blocks, bolts and cushion blocks. According to the grinding device with the good clamping effect and for the flanges, a body is elastically clamped through restoring force of thefirst springs, meanwhile, through the action of centrifugal force, the clamping plates better clamp the body in the rotating process of the clamping mechanisms, and the body is prevented from rotatingalong with the clamping mechanisms or flying out in the grinding process; and the body is elastically ground through the grinding mechanisms, movement of the grinding blocks can be achieved by adjusting the bolts, and therefore the turning amount is adjusted, the contact area with the body is increased through semicircular protrusions, the clamping effect is improved, the contact area with the bottom end of the body is reduced through the positioning rods, the levelness of the body is improved, and the grinding quality is improved.