38results about How to "Limit fixed and stable" patented technology

The invention discloses an air conditioner liquid storage device welding protection device and an application method thereof, and belongs to the technical field of welding. The air conditioner liquid storage device welding protection device comprises an outer ventilation block and an inner ventilation block. The outer ventilation block is of a rectangular block-shaped structure and is provided with a transverse air blowing hole and longitudinal air blowing holes and connected with an air source through an outer ventilation connecting hole. An inner air blowing hole is formed in the inner ventilation block and connected with the air source through an inner ventilation connecting hole. According to the method, a cylinder is inflated with protection air through the inner ventilation block in the welding process, the welding position is immediately inflated with the protection air through the outer ventilation block after welding is finished, and air is prevented from making contact with a welding line. By means of the air conditioner liquid storage device welding protection device and the application method thereof, the surface of a welded part can be prevented from being oxidized during liquid storage device welding, the connecting strength of the welding line is improved, the quality of a finished product is improved, and the production cost is reduced.

The invention relates to an electric car accessory processor which comprises a supporting base plate, a supporting connecting support, a fixing device and a washing device. The supporting connecting support is installed on the top of the supporting base plate, the fixing device is installed at the bottom of the upper end of the supporting connecting support, and the washing device is located underthe fixing device and is installed on the supporting base plate; and the washing device comprises a washing frame, a switch branch chain, a rotating plate, a rotating adjusting push rod, an inner washing plate, an outer washing mechanism and an impurity removing mechanism. The electric car accessory processor can solve the problems that during existing car hub washing, all-dimensional fixation ona hub cannot be achieved, a hub cannot be limited during fixing, impurities on the inner and outer side walls of the hub cannot be washed away at a time, the washing effect of protrusions on the outer side of the hub is poor, grooves in a hub supporting column cannot be cleaned, and the impurities obtained through cleaning of the hub cannot be automatically separately and removed are solved.

The invention relates to the technical field of building materials, and discloses equipment for detecting the impact resistance of an external wall insulation board. The equipment comprises an impacttable, wherein two supporting plates are symmetrically and fixedly connected to the side wall of the lower side of the impact table, the side wall of the upper side of the impact table is fixedly connected with a U-shaped frame, the inner wall of the upper side of the U-shaped frame is fixedly connected with a fixed pulley, a wire twisting wheel is fixedly connected to the inner wall of the leftside of the U-shaped frame, the same steel rope is wound between the wire twisting wheel and the fixed pulley, two connecting ropes are fixedly connected to the end, which is away from the wire twisting wheel, of the steel rope, the two connecting ropes are fixedly connected with an impact block through a connecting mechanism, and a placement groove is formed in the side wall of the upper side ofthe impact table. According to equipment for detecting the impact resistance of the external wall insulation board, the problem that a detection result is inaccurate due to displacement generated whenthe insulation board is impacted is avoided, the detection accuracy of the detection equipment is effectively improved, the operation is simple and convenient, and the replacement convenience of theimpact block is effectively improved.

The invention discloses an emergency power-off device for electrical automation equipment failure. The emergency power-off device comprises a metal sheet, a first contact sheet, a second contact sheetand a metal plate. The metal sheet is fixed inside the device shell. A first connecting air pipe and a second connecting air pipe are distributed in an L-shaped structure, and a clamp ring is arranged outside the middle vertical part of the first and second connecting air pipes. The clamp ring is located inside the device shell, and the clamp ring is connected with one end of a fixing rod. A clamping plate is arranged on the opposite surface of the clamp ring. A sleeve is rotatably connected at the center of a transverse plate. The surface of the sleeve is hinged with a driving rod, and the sleeve is connected with a knob through a rotating rod. According to the emergency power-off device for the electrical automation equipment failure, the upward and downward movement of the metal platecan be stably limited fixed and operation is quite convenient. Meanwhile, the safety performance of the device operation can be improved by locking the connecting air pipes to close the air passage while the contact piece is sealed and protected by the air bag.

The invention discloses an air collecting device convenient for saving labor. The air collecting device convenient for saving labor comprises a base. The base is a hollow structure. The inner wall ofthe bottom of the base is rotatably connected with a support rod through a ball bearing. The upper end of the support rod is stretched out of the base through an opening installed at the upper end ofthe base and fixedly connected with an air hose. The rod wall, positioned in the base, of the support rod is fixedly sheathed with a gear. The inner wall of the bottom of the base is fixedly connectedwith two locking plates symmetrically installed relative to the gear. A same reciprocated screw rod is rotatably connected between the two locking plates through the ball bearing. The surface of oneof the locking plates is fixedly connected with a motor. An output shaft of the motor passes through the surface of the locking plate through a through hole installed on the surface of the locking plate and is fixedly connected with one end of the reciprocated screw rod. The rod wall of the reciprocated screw rod is in threaded connection with a moving block. One end, adjacent to the gear, of themoving block is fixedly connected with a rack meshed with the gear. The air collecting device is capable of automatically swinging forwards and backwards and collecting air, saving a labor force, andperforming stable limiting fixation on a connecting place of an air balloon.

The invention discloses a test tube heating bracket for traditional Chinese medicine and pharmacy tests. The test tube heating bracket comprises a bottom plate, wherein a plurality of support rods areuniformly fixedly connected with the upper end of the bottom plate; the walls of the support rods are moveably sleeved by sleeves; a plurality of screw holes are formed in the sleeves and walls of the support rods correspondingly; the sleeves are in fastened connection with the support rods through bolts; two connecting rods are fixedly connected with the outer wall of each sleeve symmetrically;positioning cylinders are fixedly connected with ends far away from the sleeves, of the connecting rods; through holes are formed in the walls of the positioning cylinders; T-shaped pull rods are sleeved by the through holes through guide bearings; arc-shaped clamping plates are fixedly connected with ends inside the positioning cylinders, of the pull rods; a plurality of return springs are fixedly connected between the outer side walls of the arc-shaped clamping plates and the inner walls of the positioning cylinders; a plurality of alcohol burners for heating test tubes are fixedly arrangedat the upper end of the bottom plate; a protection cover is connected with one side of the upper end of the bottom plate through hinges. The test tube heating bracket facilitates stably clamping of test tubes of different diameter sizes and is wide in application range, and the labor can be saved.

The invention discloses a rapid pressurizing haemostat for an emergency department. The haemostat comprises a bandage body. An air inlet pipe is mounted on one side of the bandage body. Opposite limiting insertion holes are formed in one side, close to the air inlet pipe, of the bandage body. A magic tape sub-face is arranged at the edge of one side, close to the air inlet pipe, of the bandage body. The magic tape sub-face and the limiting insertion holes are located on the same horizontal line. Zipper teeth are arranged at the top of one side, close to the air inlet pipe, of the bandage body.According to the invention, the limiting insertion holes which are oppositely formed are formed in one side of the bandage body; gas conveying pipe heads can be conveniently limited in the limiting insertion holes, which improves the stability of the gas conveying pipe heads; the zipper teeth are arranged on one side of the bandage body, so that the bandage body can be opened and closed conveniently through a zipper head; an air bag can be better placed in a storage groove, and at the same time the storage groove can limit the air bag; and the air bag can carry out pressurization hemostasis on a designated position, which improves the hemostasis effect.

The invention discloses a novel fully automatic clamp spring sleeving device, which comprises a manipulator clamp, a clamp claw replacing seat, a first stage electric cylinder integral pressing mechanism and a visual positioning system, wherein the clamp claw replacing seat comprises a base; the upper end of the base is fixedly connected with an upright post and a three-claw chuck; the first stageelectric cylinder integral pressing mechanism is arranged on the upright post and comprises an electric cylinder; the electric cylinder slides on the upright posts through a linear slide rail arranged on the upright post; the bottom of the base is connected with a buffer box through a plurality of buffer mechanisms; the mechanical hand clamp mechanism comprises a fixing plate; a pneumatic clamp spring tong is clamped and connected onto the fixing plate through a fastening ring; the output end of the pneumatic clamp spring tong is fixedly connected with a clamp spring; the fixing plate is fixedly connected with a visual camera through a connecting structure. The automatic sleeving of the clamp spring can be realized; the labor is greatly saved; the use is convenient.

The invention discloses a multi-angle adjustable monitoring device for a pilotless automobile. The device comprises a mounting block, a connecting shaft and a camera, a first sliding groove is formedin the inner side of the mounting block. A movable block is mounted at the middle end of the mounting block; a pulley is mounted at the upper end of the outer surface of the movable block; the pulleyis connected with the first sliding groove; the connecting shaft is mounted at the lower end of the movable block in a penetrating manner; and the camera is installed on the outer side of the connecting shaft and connected with the movable block, a cleaning block is installed at the lower middle end of the movable block, a movable handle is installed on the outer surface of the movable block, a traction rope is installed on the outer surface of the movable handle, and a second sliding groove is formed in the outer surface of the movable block. According to the multi-angle adjustable monitoringdevice for the pilotless automobile, when the camera rotates by an angle along the lower end of the inner side of the movable block, the lens of the camera makes contact with the attached sponge cleaning block, so that the self-cleaning effect is achieved, and the monitoring quality of the device is guaranteed.

The invention discloses a radiator assembly subpackage platform. The radiator assembly subpackage platform comprises a support frame (1) and a radiator support component (6) arranged on the support frame, wherein the radiator support component (6) comprises a support panel (601) and a rear limiting block (5) arranged on the lower end of the support panel (601), the corresponding location of the upper end of the radiator support component (6) is provided with a condenser limiting component (4) for positioning a condenser. The radiator assembly subpackage platform is simple in structure, small in occupied space, convenient in dismounting and maintenance and convenient to use, and can be used for well limiting the condenser and the radiator, so as to improve the efficiency and lower the cost, so that the radiator assembly subpackage platform can be adjusted, and the subpackage requirement of multiple vehicle type radiator assemblies is met.

The invention discloses a splitting machine. The machine comprises a base station provided with a punching station; a workpiece positioning seat arranged on the base station and positioned at the punching station; a punching assembly which comprises a punching driving piece and a punching piece, the punching driving piece being arranged on the base table, the punching piece being connected to thepunching driving piece and located above the punching station, and the punching driving piece driving the punching piece to ascend and descend so as to punch a to-be-machined piece located on the workpiece positioning base; and a material receiving assembly which comprises a material receiving base, wherein the material receiving base is arranged on the base station and located below the punchingstation, air suction holes are formed in the surface, facing the punching station, of the material receiving base, and the material receiving base is used for bearing machined pieces. According to thetechnical scheme, the labor intensity of workers is reduced.

The invention relates to the technical field of pressure sensors. The invention further discloses a high-precision temperature compensation type pressure sensor. The sensor includes a base, wherein the upper end of the base is fixedly connected with a gauge outfit; a detection cavity is formed in the lower end of the base; a pressure element pipe is fixedly arranged in the gauge outfit; a liquid storage cavity is formed between the detection cavity and the pressure element pipe in a penetrating mode; a fixing frame is fixedly clamped in the lower end of the detection cavity; a pressure measuring film and a protective film located on the outer side of the pressure measuring film are fixedly connected in the fixing frame in a sealed mode; a fixing annular plate is fixedly connected to the outer side wall of the fixing frame; and a notch used for limiting the fixing annular plate is formed in the lower end of the base. The pressure sensor has the advantages that the problem that the measurement accuracy is influenced by pressure intensity generated by temperature changes in the pressure sensor can be effectively avoided, the protective film can provide effective protection when the temperature rises to cause deformation, and the problem that the measurement accuracy is influenced by the fact that the pressure of the part directly acts on the pressure measuring film is avoided.

The invention discloses a limiting mechanism of a Hall sensor. The limiting mechanism comprises a main board positioning portion and a mounting portion. Support legs are installed at the bottom of themain board positioning portion. A mounting slot is formed in the mounting portion. A hall sensor is arranged in the mounting slot in a bonding connection manner; and a plurality of pins are arrangedat the hall sensor. An oblique plane is arranged at a connection part between the main board positioning portion and the mounting portion; a plurality of pin positioning slots are formed in the oblique plane; through holes are formed in the main board positioning portion by corresponding to the pins; and the pins pass through the pin positioning slots and the through holes. According to the invention, with the through holes and the pin positioning slots, a hall sensor can be located and installed conveniently; the hall sensor can be limited and fixed conveniently by using a first insertion slot, a second insertion slot, a first plugging block, a second plugging block, a first baffle and a second baffle; and the first baffle and the second baffle are fixed by the oblique plane and two mounting blocks and then are installed by bolts, so that the operation becomes convenient.

The invention discloses a welding ball valve test fixture and a use method thereof. The welding ball valve test fixture comprises a chuck, wherein a stepped hole is formed in the chuck, a welding joint is inserted into the stepped hole, and an O-shaped ring in sealing fit with the welding joint is arranged on the inner wall of the stepped hole; a clamping groove is formed in the outer wall of thewelding joint, a sliding hole communicating with the stepped hole is formed in the chuck, a spring bolt is glidingly connected in the sliding hole and clamped in the clamping groove in a matched manner, and the welding joint is limited; and a driving mechanism for driving the spring bolt to move up and down is also arranged on the outer wall of the chuck. The butt joint type in the prior art is changed into a sleeving type, the welding joint is inserted into the chuck and extrudes the O-shaped ring, so that the O-shaped ring is tightly extruded and attached to the outer wall of the welding joint, sealing is completed, and the spring bolt is clamped with the clamping groove in the welding joint to limit and fix the welding joint. The whole device is easy to operate and convenient to fix, can be independently fixed by one person without assistance of tools such as a wrench and the like, is simple and efficient and saves time and labor.

The invention discloses an emergency power-off device for failure of electrical automation equipment, which comprises a metal sheet, a first contact sheet, a second contact sheet and a metal sheet, the metal sheet is fixed inside the device casing, the first connecting air pipe and The second connecting air pipes are distributed in an "L" shape structure, and a snap ring is arranged outside the middle vertical part of the two. The snap ring is located inside the device shell, and the snap ring is connected to one end of the fixing rod. The snap ring A clamping plate is arranged on the opposite surface of the ring, a sleeve is rotatably connected to the center of the horizontal plate, and the surface of the sleeve is hinged to the driving rod, and the sleeve is connected to the knob through the rotating rod. The emergency power-off device for failure of electrical automation equipment can stably limit and fix the up and down movement of the metal plate, and is very convenient to operate. At the same time, it can close the gas passage by locking the connecting trachea while using the air bag for sealing protection of the contact piece. way to improve the safety performance of device operation.

The invention discloses a double-side automatic R arc edge milling machine for a helical weld pipe production line. The double-side automatic R arc edge milling machine comprises a milling machine, afacing cutter head, upper limiting rolling wheels, a blow pipe and a milling machine adjusting device. The facing cutter head is mounted at the bottom of the milling machine. The upper limiting rolling wheels are connected with a first adjusting bolt. The blow pipe is mounted in the position, located beside the upper limiting rolling wheels, of the inner wall of a shell. A guide rail is connectedwith the lower end face of a plate body. The side edge of the plate body is connected with plate limiting wheels. According to the double-side automatic R arc edge milling machine for the helical weldpipe production line, the novel structure design is adopted; compared with a traditional double-side automatic R arc edge milling machine, the double-side automatic R arc edge milling machine can conduct stable limiting and fixation on a plate to avoid the influence on the machining precision when the plate slides up and down or makes contact with the facing cutter head and shake left and right in the machining process. Meanwhile, the structure with the metal scrap cleaning function is designed, and the surface of the plate is protected against damage in the follow-up machining and transferring process.

The invention relates to the technical field of intelligent home, and discloses a security protection device for the intelligent home. The security protection device for the intelligent home comprisesa window frame, a top plate and a bottom plate, wherein the top plate is fixedly arranged at the upper side of the window frame; the bottom plate is fixedly arranged at the lower side of the window frame; a first door leaf and a second door leaf are symmetrically hinged to the inner side wall of the window frame; a positioning block is fixedly connected onto the surface of one side, near the second door leaf, of the first door leaf; a fixing block corresponding to the position of the positioning block is fixedly connected onto the surface of one side, near the first door leaf, of the second door leaf; a cavity arranged at the right side is formed inside the fixing block; the same regulating screw rod is rotationally connected onto the inner wall of the upper and lower opposite sides of the cavity through ball bearings; the lower end of the fixing block is fixedly connected with a driving motor; and an output shaft arranged at the upper end of the driving motor penetrates through the fixing block, extends into the cavity and is fixedly connected with the lower end of the regulating screw rod. The security protection device for the intelligent home has the advantage that the security protection performance of the home can be effectively improved.

The invention relates to an automobile parts maintenance machine, which includes a support bottom plate, a support connection frame, a fixing device and a cleaning device. The support connection frame is installed on the top of the support base plate, and the fixing device is installed on the upper end and bottom of the support connection frame. , the cleaning device is located directly below the fixing device, and the cleaning device is installed on the supporting bottom plate; the fixing device includes an adjustment structure, a rotating disk, five insertion posts and a hole cleaning mechanism; the cleaning device includes a cleaning frame, a switch support Chain, rotating plate, rotating adjustment push rod, internal cleaning plate, external cleaning mechanism and impurity cleaning mechanism. The invention can solve the existing problems of being unable to limit the position of the wheel hub when cleaning automobile wheel hubs, the debris on the inner and outer walls of the wheel hub cannot be cleaned at one time, the cleaning effect of the protrusions on the outside of the wheel hub is poor, and the grooves on the wheel hub support column cannot be cleaned. Problems such as cleaning and wheel hub cleaning cannot be automatically separated and removed.

The invention discloses a radiator assembly subpackage platform. The radiator assembly subpackage platform comprises a support frame (1) and a radiator support component (6) arranged on the support frame, wherein the radiator support component (6) comprises a support panel (601) and a rear limiting block (5) arranged on the lower end of the support panel (601), the corresponding location of the upper end of the radiator support component (6) is provided with a condenser limiting component (4) for positioning a condenser. The radiator assembly subpackage platform is simple in structure, small in occupied space, convenient in dismounting and maintenance and convenient to use, and can be used for well limiting the condenser and the radiator, so as to improve the efficiency and lower the cost, so that the radiator assembly subpackage platform can be adjusted, and the subpackage requirement of multiple vehicle type radiator assemblies is met.

The invention discloses a roasting furnace flame path cover clamping device provided with a drawing mechanism. The roasting furnace flame path cover clamping device comprises a supporting sliding frame rod which is fixedly mounted on a fixing block, and the fixing block is connected with a bottom ring; a sliding ring is slidably connected to the supporting sliding frame rod, and the sliding ring and a drawing circular ring are connected; a damping rotary shaft is mounted at an opening in the side of the drawing circular ring, and an adjusting wheel is fixedly connected to the damping rotary shaft; the outer surface of the drawing circular ring is connected with a bottom plate through a supporting frame, and the upper end face of the bottom plate is fixedly connected with a single rotationreciprocating lead screw; and a device box is mounted at the top end of the supporting sliding frame rod. According to the roasting furnace flame path cover clamping device provided with the drawing mechanism, a flame path cover can be clamped and fixed in advance, the bearing clamping range of the device can be automatically adjusted according to shape change of the flame path cover, through thedrawing mechanism, the flame path cover can be directly drawn out from a flame path opening in the device, using is more convenient, and the security coefficient is higher.

The invention discloses a punching machine with a guide structure for bamboo mat production. The punching machine comprises a workbench, a support and a base, supporting legs are installed on the two sides of the bottom end of the base, the workbench is installed at the top end of the base, a hydraulic cylinder is installed in a shell, a fixing block is installed at the bottom end of the hydraulic cylinder, and a blade is installed at the bottom end of the fixing block. The limiting plate is arranged at the top end of the movable plate, the limiting plate and the movable plate are connected through the threaded rod and the positioning rod, the threaded rod and the limiting plate form threaded connection, the limiting plate in threaded connection with the threaded rod can be driven to ascend and descend by screwing the threaded rod, and a material can be clamped between the limiting plate and the movable plate by descending the limiting plate; and the friction force of the limiting plate can be enhanced through the non-slip mat at the bottom end of the limiting plate, limiting and fixing of the limiting plate are more stable, and therefore the purpose that the punching machine for bamboo mat production can conveniently limit the materials needing to be machined is achieved.

The invention discloses an assembly type integrated thermal insulation wallboard. The assembly type integrated thermal insulation wallboard comprises a plurality of main wall bodies, the main wall bodies are assembled into a whole, structural cavities are formed in the main wall bodies, structural linings are arranged in all inner cavities of the structural cavities, one sides of the main wall bodies are fixedly connected to an inner wall body, inner cavities of the inner wall bodies are completely provided with heat preservation fillers, a plurality of equidistant connecting rods are arranged on one end face of the whole main wall body, a plurality of equidistant connecting grooves are formed in the other end face of the whole main wall body, and the number of the connecting grooves is the same as that of the connecting rods; the positions of the connecting rods correspond to the positions of the connecting grooves in a one-to-one mode; and the plurality of connecting rods and the plurality of connecting grooves of two adjacent main wall bodies are fixedly connected into a whole. According to the assembly type integrated thermal insulation wallboard, the structure is simple and reliable, the appearance is attractive, the high heat preservation and waterproof capacity is achieved, the overall thickness of the wallboard is reduced, and meanwhile the overall strength of the wallboard is improved.

The invention discloses an electric control cabinet vibration reduction device. The electric control cabinet vibration reduction device comprises a bottom plate, a vibration reduction plate, vibration reduction devices and screws, wherein telescopic rods are fixedly mounted at four corners of the upper surface of the bottom plate; the upper ends of the telescopic rods at the four corners are fixedly connected with the vibration reduction plate; a fixed frame is fixedly mounted on the upper end surface of the vibration reduction plate; the lower end surface of the vibration reduction plate is fixedly connected with the bottom plate through the vibration reduction devices; and each vibration reduction device comprises an upper supporting column, a lower supporting column, a limiting frame, a limiting block and a vibration reduction spring. According to the electric control cabinet vibration reduction device, rotating handles and clamping plates are arranged; different specifications of electric control cabinets can be more firmly limited and fixed through the four rotating handles on the left side and the right side; the clamping plates are used for preventing the electric control cabinets from shaking in a horizontal direction during vibration; the vibration reduction plate can be limited and fixed through the telescopic rods arranged between the bottom plate and the vibration reduction plate; and the electric control cabinet vibration reduction device has the advantages of stable structure, high applicability and good vibration reduction effect.

The invention provides a dental chair for a dyskinesia patient. The dental chair comprises slide wrists, pressing frame insertion plates, an ejecting frame, ejecting frame insertion rods, a rotating rod, rotating plates, a threaded shaft sleeve and insertion sleeves. Shaft sleeves are welded and fixed to the top ends of the two ejecting frame insertion rods at the rear end respectively. Two connecting supporting plates are symmetrically welded to the two ends of the rotating rod respectively. The rotating rod is rotationally connected with two shaft sleeves in a sleeved and inserted mode through rotating shafts on the two inner sides of the tail ends of the two connecting supporting plates. The rotating rod is rotationally sleeved with the two rotating plates in a spaced mode. Two threadedshafts are inward supported by and welded to the inner walls of the rear ends of the two rotating plates respectively. The threaded shaft sleeve is rotationally connected between the two threaded shafts in a threaded and sleeved mode. By arranging pressing hanging plates, the two pressing hanging plates can be pushed by threads of two pushing bolts to slide to one side along with pressing platestill the head of a patient is pressed and positioned between a pressing frame and the ejecting frame, and therefore the head is stably limited and fixed.

The invention provides a labor-saving and high-safety electric pole climbing device for electric power maintenance, and relates to the technical field of electric power facilities. The labor-saving and high-safety utility pole climbing device for electric power maintenance includes a frame body, the inner side of the top of the frame body is rotatably connected with a rotating shaft, the bottom end of the rotating shaft is threadedly connected with a clamping bar, and the inner side of the clamping bar A rubber ring is fixedly installed, and a limiting groove is fixedly installed on the outer ring of the frame body, and a connecting rod is slidably connected to the inside of the limiting groove, and a first gear is fixedly connected to one end of the rotating shaft inside the frame body. In this labor-saving and high-safety utility pole climbing device for electric power maintenance, the pedal does not need to be kept in a tilted state to achieve clamping, and the pedal can be rotated after being fixed, which saves more effort, reduces the fatigue of the feet, and makes the human body in the During the climbing process, the limit fixation between the frame body and the utility pole is more stable, avoiding the occurrence of slipping phenomenon, and improving the safety of the climbing device.

The invention discloses an automobile panel die which comprises a lower die holder. A transversely-arranged female die fixing plate is arranged on the side wall of the upper side of the lower die holder. A female die is arranged in the female die fixing plate. A through hole is formed in the side wall of the lower die holder and located under the female die. A transversely-arranged upper die holder is arranged above the lower die holder. The upper die holder and the lower die holder are connected through two symmetrically-arranged guide posts and guide sleeves. A transversely-arranged male diecushion plate is arranged on the side wall of the side, away from a die shank, of the upper die holder. A transversely-arranged male die fixing plate is arranged on the side wall of the side, away from the upper die holder, of the male die cushion plate. A locating plate is arranged on the lower side of the male die fixing plate. Two locating blocks are symmetrically and fixedly connected to theupper end of the locating plate. Locating grooves corresponding to the locating blocks are formed in the lower end of the male die fixing plate. The lower end of the locating plate is fixedly connected with a male die. By the adoption of the automobile panel die, the male die can be quickly detached and installed conveniently and can be more stably limited and fixed.