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32results about How to "Accurate force application" patented technology

Robot palletizer with novel mechanical tongs

The invention relates to a robot palletizer with a pair of novel mechanical tongs. The robot palletizer with the novel pair of mechanical tongs comprises a rotating base, a stand column and a horizontal arm. The horizontal arm is movably provided with the mechanical tongs. The pair of mechanical tongs comprises a connecting plate. The lower end of the connecting plate is provided with a sliding rail and a double-pole air cylinder. The two sides of the lower end of the connecting plate are provided with two grabbing plate assemblies respectively. Pushing rods at the two ends of the double-pole air cylinder are connected with the grabbing plate assemblies on the two sides and drive the two grabbing plate assemblies to conduct opposite grabbing movement. Grabbing plates on the two sides conduct opening or grabbing at the lower end of the connecting plate through stretching and retracting movement of the double-pole air cylinder. The whole robot palletizer with the novel pair of tongs is simple, high in stability, capable of accurately applying force and not likely to damage objects.
Owner:TECH TRANSFER CENT CO LTD NANJING UNIV OF SCI & TECH

Torsion tester for cable branch box, and test method thereof

The invention relates to a torsion tester for a cable branch box. The torsion tester comprises a base, a main body frame, crossbeams, sliding blocks, pulleys, heavy loads, steel cables and jacks, wherein a fixture used for fixing a tested specimen is mounted on the base, the main body frame is mounted above the base, and the crossbeams are levelly and laterally mounted on both the front side and the back side of the corresponding main body frame above the base; the crossbeams adopt a longitudinal regulating structure which can guide upward to downward, both the middle parts of the both ends of the both sides of the crossbeams are connected with a longitudinal thread screw rod which is mounted at the upper part of the main body frame to be driven and regulated, and the crossbeams move up to down along guide rails which are arranged in the main body frame; the crossbeams comprise an upper crossbeam and a lower crossbeam, the sliding blocks are horizontally mounted on the both crossbeams in a sliding manner respectively, and a graduated scale used for measuring is made on each sliding block. All the crossbeams and the pulleys disclosed by the invention adopt adjustable design, the decomposition of force is avoided, the application of the force is more accurate, the error range is within 0.5%, and data of casing deflection can be accurately measured through moving the scales.
Owner:TIANJIN RES INST OF ELECTRIC SCI +1

Digital production method of cleft lip and palate alveolar shaping palate guard plate

ActiveCN110313999AMedical help goodAvoid interaction forceAdditive manufacturing apparatusOthrodonticsIncomplete bilateral cleft lipBone morphology
The invention provides a digital production method of a cleft lip and palate alveolar shaping palate guard plate. A 3D scanner is used for directly scanning the oral cavity of a patient or an oral cavity model, and a digital model of the alveolar bone morphology in the oral cavity of the patient is obtained; jawbone mark points are calibrated; according to a jawbone moving rule before and after treatment, preoperative coordinates, postoperative coordinates and coordinate difference values of the jawbone mark points are marked, the coordinate difference value of each mark point is decomposed, an alveolar bone status in each step is obtained, the palate guard plate is virtually added, and the palate guard plate comprises a base plate and a connecting rod arranged in the lateral direction ofthe base plate; the palate guard plate and a corresponding adjusting model in each step are derived; the palate guard plate and the corresponding adjusting model are assembled and merged into a wholemodel; by adjusting thickness data of the palate guard plate, the palate guard plate is substantialized, the data is input into a 3D printer for printing, and a real palate guard plate object in eachstep is obtained. The digital production method of the cleft lip and palate alveolar shaping palate guard plate can avoid the interaction force between devices, and individually designs the cleft lipand palate alveolar shaping palate guard plate.
Owner:WUHAN UNIV

Portion abandoning type tube needle bed of agent

The invention discloses a locally abandoned agent-tube cylinder, which comprises the following parts: running hollow injection cylinder, handle pivoted at back end of the injection cylinder, push rod in the injection cylinder and handle, wherein the injection cylinder, handle and push rod are stainless steel material; the front end of the injection cylinder is a spiral joint end with a perspective cylinder which is made of transparent or perspective material; one needle joint and through-hole are set at the front end of the perspective cylinder; the needle joint connects a double-head needle which contains needle seat to connect the needle and injection rod throughout the needle seat. The inveniton can observe liquid condition in the cylinder sufficiently, which can judge the exertion and optimum stopping point precisely.
Owner:郑万章

Fiber optic sensing of tool strain or tool angle

A hinged tool includes a first member; a second member pivotally connected to the first member at a pivot; and an optical fiber. The optical fiber is fixed to the first member at a load application region and fixed to at least one of the pivot and the second member at a location such that the optical fiber bends when the first member and the second member are pivoted with respect to one another. A method of using a hinged tool includes measuring fiber strain in an optical fiber fixed to the hinged tool, and determining at least one of tool strain applied to the hinged tool and a degree of pivoting of the hinged tool using the fiber strain.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Radiolucent Grasping Device

ActiveUS20180168674A1PowerfulControl over grasping forceSuture equipmentsDiagnosticsX-raySTERILE FIELD
A device to be used by an operator which may grasp objects in a sterile or non-sterile field, and may facilitate the precise placement and passage of a needle or pin into tissues while using X-ray guidance. The device provides a secure hold while keeping the hands remote from the radiation field, and by permitting non-obstructed viewing of the held instrument and tissues. A radiolucent hammer may be used to help drive a needle into firm tissues without obscuring visualization.
Owner:JET MED INNOVATIONS LLC

Device for eliminating fat particles on skin surface

InactiveCN107441565AAccurate and fast puncturingAvoid stabbingSurgeryMedical devicesSkin surfaceBiomedical engineering
The invention discloses a device for eliminating fat particles on the skin surface. The device comprises a needle cylinder of a three-layer sleeve structure. A needle with an inverse thorn is mounted in the center of the end face of a retractable inner cylinder of the device. In work, an opening of an outer cylinder aligns at the fat particles, a middle cylinder is pulled outwards, the fat particles are bulged through the negative pressure, then the inner cylinder is pushed to enable the thin needle to puncture the fat particles, and then the middle cylinder of the device is pulled outwards again to enable the fat particles to be sucked out of the skin surface.
Owner:周沛灵

Fiber optic sensing of tool strain or tool angle

A hinged tool includes a first member; a second member pivotally connected to the first member at a pivot; and an optical fiber. The optical fiber is fixed to the first member at a load application region and fixed to at least one of the pivot and the second member at a location such that the optical fiber bends when the first member and the second member are pivoted with respect to one another. A method of using a hinged tool includes measuring fiber strain in an optical fiber fixed to the hinged tool, and determining at least one of tool strain applied to the hinged tool and a degree of pivoting of the hinged tool using the fiber strain.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Frac pump sealed nut assembly

A sealed nut assembly includes a nut portion and a plug portion integrally formed together as a single unit. The nut assembly is configured to seal a bore hole in a fluid end and prevent leakage of working fluid therein. The assembly includes a nut portion and a plug portion. The nut portion and plug portion are inserted and removed together. The nut portion engages the fluid end prior to the setting of the plug portion. A seal groove is included in the plug portion to locate one or more seals. The contact surface between the nut assembly and the fluid end is tapered.
Owner:ST9 GAS & OIL LLC

Collodion mop

The invention belongs to the technical field of collodion mops, and especially relates to a collodion mop. The collodion mop comprises a mop rod; a mop head is movably arranged at the end part of themop rod; a cotton head is arranged on the mop head; a water squeezing rack is sleeved on the mop rod; the water squeezing rack can move along the mop rod; the mop head can be rotated to the length direction of the cotton head and is substantially parallel to the mop rod and aligned with the water squeezing rack; the cotton head is movably arranged on the mop head and the cotton head / partial cottonhead can laterally move in the mop head; and when water is squeezed, the water squeezing rack slides up and down along the length direction of the cotton head and squeezes the cotton head so as to achieve flattening or release of the cotton head in the length direction of the cotton head in the mop head, and the cotton head is completely detached from the water squeezing device when mopping the floor. The collodion mop provided by the invention is simple and stable in structure, capable of cleaning the surface of the cotton head and good in water squeezing effect.
Owner:俞享福 +1

Split type thrust tool

The invention discloses a split type thrust tool, and aims to provide the split type thrust tool which enables each product to be stressed uniformly and consistently. The split type thrust tool comprises a rack, a placing table, a conveying belt, a sliding plate and a plurality of split type air cylinders, the placing table is horizontally arranged at the inner bottom of the rack in the left-right direction, a conveying groove penetrating through the left side face and the right side face is formed in the top face of the placing table, the right end of the conveying belt penetrates through the left side wall of the rack, then is arranged on the left side of the placing table and corresponds to the conveying groove; the sliding plate is connected with the rack above the placing table, the split type air cylinders are evenly distributed on the sliding plate from left to right, thrust assemblies are arranged on the split type air cylinders, a plurality of containing discs corresponding to the split type air cylinders in a one-to-one mode are arranged in the conveying groove, the containing discs are connected with the front inner side face of the conveying groove in an up-down rotating mode, and the thrust assemblies are arranged over the containing discs. The split type thrust tool has the beneficial effects that each product is uniformly and consistently stressed, and unqualified products are automatically recycled; and various unqualified products can be accurately detected.
Owner:浙江锦泰电子有限公司

Testing apparatus for curing degree of colored layer of optical fiber

The invention discloses a testing apparatus for the curing degree of a colored layer of an optical fiber. The testing apparatus comprises a reciprocating cylinder used for carrying out reciprocating wiping operation and slide rails connected with and driven by the reciprocating cylinder and controlling a wiping scope, wherein the slide rails and the reciprocating cylinder are arranged to be face-to-face; a wiping member for wiping the colored layer of the optical fiber is arranged on the slide rails; and the reciprocating cylinder is connected with and driven by a power mechanism. The whole testing apparatus is small in size, and simple, flexible and convenient to operate, and each assembly of the testing apparatus is easily available; the testing apparatus can control wiping force, wiping scope and wiping frequency and overcomes the problem of non-uniform wiping force during manual testing; and the testing apparatus is high in automation degree, good in stability, accurate in force application and high in testing accuracy.
Owner:SHENZHEN SDG INFORMATION CO LTD

Printed circuit board jig disassembling equipment

The invention discloses printed circuit board jig disassembling equipment which comprises a rack; a delivery mechanism is arranged on the rack; a charging mechanism, a PIN withdrawing mechanism and a discharging mechanism are arranged above the delivery mechanism and in the delivery direction sequentially; the delivery mechanism is used for delivering a printed circuit board jig; the charging mechanism is used for clamping the printed circuit board jig and putting the printed circuit board jig on the delivery mechanism; the PIN withdrawing mechanism comprises a punching pin, and is used for aligning the punching pin with each PIN nail of the printed circuit board jig and then applying impulse force to the punching pin to withdraw the corresponding PIN nail; and the discharging mechanism is used for taking down an upper clamping plate, a printed circuit board and a lower clamping plate of the printed circuit board jig sequentially. The printed circuit board jig disassembling equipment has the beneficial effects that semi-automatic operation can be realized, the working efficiency is high, the labor cost is low, potential safety hazards are reduced, and a product is prevented from being damaged.
Owner:广东新吉欣实业有限公司 +1

Mechanical feeding device suitable for production of pipes of multiple specifications

ActiveCN112896948AConveyor functionality improvedAdd adjustable varietyConveyorsProcess engineeringRolling chassis
The invention provides a mechanical feeding device suitable for production of pipes of multiple specifications, relates to the technical field of mechanical feeding devices, and aims to solve the problem that original feeding devices are not provided with diversified grabbing type conveying structure devices capable of being conveniently adjusted, so that the adjustable diversification of the conveying function of the feeding devices is reduced, the use requirements of mechanical feeding devices for various multi-specification pipes in production cannot be met, the front-back telescopic angle cannot be adjusted according to the actual pipe specifications, diversified grabbing type conveying of the feeding devices cannot be completed, not only is the working efficiency of the feeding devices reduced, but also the practicability of the feeding devices is reduced. The feeding device comprises supporting plates; the inner sides of the centers of the supporting plates are connected with semi-circular-arc-shaped chassis plates correspondingly. Moving rods and connecting claws belong to a unified structure with an adjusting and moving function, and the connecting claws move along the moving rods in a cross mode.
Owner:滨州鸾飞数控机械有限责任公司

A digital manufacturing method of cleft lip and palate alveolar plastic palate guard

ActiveCN110313999BMedical help goodAvoid interaction forceAdditive manufacturing apparatusOthrodonticsJaw boneAfter treatment
The invention provides a digital production method of a cleft lip and palate alveolar shaping palate guard plate. A 3D scanner is used for directly scanning the oral cavity of a patient or an oral cavity model, and a digital model of the alveolar bone morphology in the oral cavity of the patient is obtained; jawbone mark points are calibrated; according to a jawbone moving rule before and after treatment, preoperative coordinates, postoperative coordinates and coordinate difference values of the jawbone mark points are marked, the coordinate difference value of each mark point is decomposed, an alveolar bone status in each step is obtained, the palate guard plate is virtually added, and the palate guard plate comprises a base plate and a connecting rod arranged in the lateral direction ofthe base plate; the palate guard plate and a corresponding adjusting model in each step are derived; the palate guard plate and the corresponding adjusting model are assembled and merged into a wholemodel; by adjusting thickness data of the palate guard plate, the palate guard plate is substantialized, the data is input into a 3D printer for printing, and a real palate guard plate object in eachstep is obtained. The digital production method of the cleft lip and palate alveolar shaping palate guard plate can avoid the interaction force between devices, and individually designs the cleft lipand palate alveolar shaping palate guard plate.
Owner:WUHAN UNIV

Feeding structure and loading and unloading device

ActiveCN111203745AAvoid the problem of inconvenient grippingReduce the chance of interferenceMetal working apparatusStructural engineeringPush out
The invention relates to the technical field of material conveying, in particular to a feeding structure and a loading and unloading device. The feeding structure includes a frame and a pushing assembly; the frame is provided with at least one conveying channel which is obliquely arranged, and a discharge port is formed at a first end, with a low horizontal position, of the conveying channel in the conveying direction perpendicular to the conveying channel; and the pushing assembly is arranged on one side, opposite to the discharge port, of the frame and used for pushing out materials moving to the first end of the conveying channel via the discharge port along the conveying direction perpendicular to the conveying channel. With the feeding structure and the loading and unloading device, amanipulator can grab materials conveniently and the processing efficiency is high.
Owner:ZHUHAI GREE INTELLIGENT EQUIP CO LTD +1

Self-centering small-caliber ammunition primer press-fitting mechanism

ActiveCN113899261ASolve the following problems in the field of automatic assembly technologySolve precise positioningAmmunitionReciprocating motionGear wheel
A self-centering small-caliber ammunition primer press-fitting mechanism with a push-pull gear mechanism comprises a plurality of primer press-fitting units and a driving mechanism, the primer press-fitting units are arranged in parallel and meshed with one another, and the driving mechanism is connected with one primer press-fitting unit, wherein the primer press-fitting units are rotationally arranged on a fixed base plate, and the driving mechanism reciprocates to drive each primer press-fitting unit to rotate. According to the mechanism, accurate coaxial positioning of a primer and a cartridge case in the automatic bullet assembling process can be achieved, and the accurate force application position of a pressing rod to the cartridge case and the accurate force application position of an ejector rod to the primer are limited at the same time. The self-centering small-caliber ammunition primer press-fitting mechanism is simple and reliable in structure, high in efficiency and high in practicability. The stability of a small-caliber ammunition assembly system and the press-fitting precision of the primer are greatly improved.
Owner:SHANGHAI PLATFORM FOR SMART MFG CO LTD +1

A feeding structure and a loading and unloading device

ActiveCN111203745BAvoid the problem of inconvenient grippingReduce the chance of interferenceMetal working apparatusRobot handStructural engineering
The invention relates to the technical field of material conveying, in particular to a feeding structure and a loading and unloading device. A feeding structure, comprising: a frame body with at least one inclined conveying channel, a first end of the conveying channel with a lower horizontal position is formed with a discharge port in a conveying direction perpendicular to the conveying channel; a push assembly , located on the opposite side of the frame body to the discharge port, used to pass the material moving to the first end of the conveying passage through the discharge port along the conveying direction perpendicular to the conveying passage Partially launched. The invention provides a feeding structure and a loading and unloading device which are convenient for a manipulator to grab materials and have high processing efficiency.
Owner:ZHUHAI GREE INTELLIGENT EQUIP CO LTD +1

A kind of screw driving device and method

The invention discloses a screwing device and method. A platen is connected to the upper end of a bottom bracket. Conveying rails are erected on the upper part of the platen. A tray is arranged on theconveying rails. Supporting stand columns are connected to the upper end of the platen on two sides of the conveying rails. Parallel plates are arranged at the tops of the supporting stand columns. An X direction moving assembly is arranged on the upper ends of the parallel plates. A Y direction moving assembly is connected to the upper end of the X direction moving assembly. The Y direction moving assembly moves at the upper end of the X direction moving assembly in the X direction. A Z direction moving assembly is arranged on one side of the Y direction moving assembly. The Z direction moving assembly moves on one side of the Y direction moving assembly in the Y direction. A screwing assembly is connected to the inner side of the Z direction moving assembly. The screwing assembly moveson the inner side of the Z direction moving assembly in the Z direction. The screwing assembly is driven by the X direction moving assembly and the Y direction moving assembly to move in the X direction and the Y direction. A stopping mechanism is arranged on the inner sides of the conveying rails. Under limiting by the stopping mechanism, the tray is positioned below the screwing assembly. Accuracy and efficiency of screwing are improved, and qualification and application of products are ensured.
Owner:HEFEI WISDOM DRAGON MACHINERY DESIGN CO LTD

Device and method for correcting spinal deformities in patients

Devices and related methods for the dynamic correction of spinal deformities are disclosed. The devices and methods are particularly useful for correcting an abnormal curvature of the spine. In one exemplary embodiment, a method for correcting deformity via a spinal implant that can include a polymer between or attached to a top and bottom plate, which can exist in a wedge-shaped configuration in order to apply asymmetric forces to the spinal column, is provided. The implant may be inserted between adjacent vertebrae comprising part of the abnormal curvature, thereby restoring the normal curvature of a spine.
Owner:MINIMALLY INVASIVE SPINAL TECH LLC

Determinator capable of determining hardness of agricultural seedling pot body block on site

The invention discloses a determinator capable of determining the hardness of an agricultural seedling pot body block on site. The device structurally comprises a first side plate, a bottom plate, a pressure scale, a tray, a pressure disc, a bearing, a screw, a top plate and a second side plate, the first side plate is parallel to the second side plate; two sides of the bottom plate are verticallyconnected with the middles of the first side plate and the second side plate respectively; two sides of the top plate are respectively connected with the tops of the first side plate and the second side plate; pressure scale is arranged on the bottom plate, the top of the pressure scale is connected with a tray; pressure plate arranged above tray, the top of the pressure plate is movably connected with the bottom of the screw; the screw is in threaded connection with a threaded hole formed in the middle of the bottom plate; the pressure plate comprises a first pressure rod, a plate body, moving structures, a second pressure rod and a third pressure rod, and the three moving structures are arranged at the bottom of the plate body. The pressure plate has the beneficial effects that the pressure rods can be moved to the middle of the plate body when needed through the arranged moving structures, force application of the pressure plate is accurate, and deviation is prevented.
Owner:洪连子

Performance testing apparatus of two-way rocking mechanism

The invention provides a performance testing apparatus of a two-way rocking mechanism. The performance testing apparatus of the two-way rocking mechanism comprises a supporting frame, a force application device, a driving system and a heating lamp. The integral structure of the rocking testing system is designed to have the rotational degrees of freedom in a direction and the force application structure is located inside the rocking mechanism and can swing around the axis coaxial to a rotating shaft of the rocking mechanism. The two-way rocking testing of the rocking mechanism is available by manually adjusting directions. The rocking of the rocking mechanism is driven by a stepper motor. The rotation shaft of the rocking mechanism is heated by a quartz infrared shortwave radiator. The performance testing apparatus of two-way rocking mechanism is multiple in functions, compact in structure, high in accuracy, good in strength, easy to operate, safe and reliable.
Owner:XIAN SPACE ENGINE CO LTD

Auxiliary thumbnail and piston ring removal and installation tool

The invention discloses an auxiliary thumbnail and a piston ring removal and installation tool. The auxiliary thumbnail is composed of a thumb clamping face, a force application face and a working face; the thumb clamping face is a barrel face; the second end of the thumb clamping face is fixedly connected with the first end of the force application face; the second end of the force application face is fixedly connected with the first end of the working face; a specific angle is formed between the working face and the axis of the thumb clamping face; the distance between the first end of the working face and the first end of the force application face is a specific value; and the distance between the first end of the working face and the center line of the thumb clamping face is a specificvalue. The invention provides a flexible manual scraping tool, and damage due to direct force application by finger nails is avoided; force is applied by pressing through a thumb, and the scraping force is increased; the scraping process can be located more accurately, and the force application is accurate; and the auxiliary thumbnail is flexible and convenient. The invention provides a piston ring removal and installation tool composed of two auxiliary thumbnails, and the tool can be used for removal and installation of piston rings in various diameters which are smaller than 120 mm; and theremoval and installation efficiency of the piston ring is improved.
Owner:SHANDONG JIAOTONG UNIV

Ice skate blade bending apparatus

ActiveUS20190314880A1Accurate force applicationPressure appliedSkatesEngineeringIce skating
A skate blade bending apparatus (35) may feature a unitary body (1) with a securement structure (10, 15) which holds a skate blade on its side, parallel to the ground, and a means for exerting downward force (8) on the side of the skate blade. The securement structure may feature movable anvils 15 which will change the imparted radius of curvature imparted upon the blade. Indicia (29) may be utilized to position said anvils (15) to ensure the process is repeatable on different blades. A handle (14) used with the means for exerting downward force (8) may be adjustable. The means for exerting downward force (8) and anvils (15) may be interchangeable with other shapes of similar structures for greater versatility.
Owner:MAYFLOWER INDUCTRIES LLC

Radiolucent grasping device

A device to be used by an operator which may grasp objects in a sterile or non-sterile field, and may facilitate the precise placement and passage of a needle or pin into tissues while using X-ray guidance. The device provides a secure hold while keeping the hands remote from the radiation field, and by permitting non-obstructed viewing of the held instrument and tissues. A radiolucent hammer may be used to help drive a needle into firm tissues without obscuring visualization.
Owner:JET MED INNOVATIONS LLC

Screwing device and method

The invention discloses a screwing device and method. A platen is connected to the upper end of a bottom bracket. Conveying rails are erected on the upper part of the platen. A tray is arranged on theconveying rails. Supporting stand columns are connected to the upper end of the platen on two sides of the conveying rails. Parallel plates are arranged at the tops of the supporting stand columns. An X direction moving assembly is arranged on the upper ends of the parallel plates. A Y direction moving assembly is connected to the upper end of the X direction moving assembly. The Y direction moving assembly moves at the upper end of the X direction moving assembly in the X direction. A Z direction moving assembly is arranged on one side of the Y direction moving assembly. The Z direction moving assembly moves on one side of the Y direction moving assembly in the Y direction. A screwing assembly is connected to the inner side of the Z direction moving assembly. The screwing assembly moveson the inner side of the Z direction moving assembly in the Z direction. The screwing assembly is driven by the X direction moving assembly and the Y direction moving assembly to move in the X direction and the Y direction. A stopping mechanism is arranged on the inner sides of the conveying rails. Under limiting by the stopping mechanism, the tray is positioned below the screwing assembly. Accuracy and efficiency of screwing are improved, and qualification and application of products are ensured.
Owner:HUNAN UNIV OF SCI & ENG
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