3600results about "Stripping-off devices" patented technology

The utility model discloses a stamping die with a stripping mechanism, which comprises a die holder, two pneumatic lower dies for stamping workpieces are slidably arranged at the end of the die holder through a strip-shaped limit plate, and a positioning insert plate for positioning pneumatic positions of the pneumatic lower dies is arranged in an inner cavity in the center of the die holder. One of the pneumatic lower dies is moved to the vertical bottom of the pneumatic upper die to carry out die assembly stamping, and after die assembly stamping, the air cylinder D retracts to enable the pneumatic lower dies to carry out stripping and discharging work towards one side, and the pneumatic lower die at the other end of the die holder moves the bottom of the pneumatic upper die through the air cylinder D to carry out stamping work; accordingly, a stamped workpiece can be translated to the two ends of the die holder to be alternately subjected to stripping and feeding work, the stamped workpiece can be safely stripped, sufficient time is provided for stripping through alternating of the two pneumatic lower dies and die assembly stamping of the pneumatic upper die, meanwhile, the workpiece stamping continuity is guaranteed, and the stamping efficiency is improved. Therefore, the punching working efficiency is not influenced.

The invention provides a combined type stainless steel slide high-strength connecting piece forming die, and relates to the technical field of slides, the combined type stainless steel slide high-strength connecting piece forming die comprises an upper die base, a lower die base and a material ejecting component, a punch is arranged on one side of the upper die base, the lower die base and the upper die base are oppositely arranged, a machining groove is formed in the top face of the lower die base, and the upper die base is provided with a punching head; the position of a plate is calibrated in an all-dimensional mode through the deviation rectifying and limiting correcting structure, the rejection rate is reduced, the production efficiency is improved, automatic deviation rectifying of the two sides and the four corners of the plate is achieved through the downward pressing action of the upper die base in the deviation rectifying process before punching, and the deviation rectifying precision is improved. The multi-stage buffering protection die component adjusts the position of the plate, the punch forming success rate and the product quality are greatly improved, after punching is finished, all-directional position calibration can be conducted on the plate before punching, the rejection rate caused by deviation of the plate is greatly reduced, and the production efficiency is improved.

The invention belongs to the technical field of metal stamping dies, and particularly relates to a metal stamping die demolding structure which comprises a stamping base, a stamping frame fixed to the surface of the stamping base and a stamping hydraulic cylinder fixed to the surface of the stamping frame. A stamping base is arranged over the stamping die, a lubricating top die assembly is arranged above the stamping base, the lubricating top die assembly is arranged, lubricating oil can be smeared and sprayed to the surface of the stamping base and the interior of the stamping die, and therefore the friction force between the surface of the stamping base and the interior of the stamping die in the subsequent stamping process is reduced; the phenomenon that metal raw materials are damaged due to friction caused by forced stamping without lubrication is avoided, demolding after the metal raw materials are stamped is also facilitated through the lubrication effect, a metal blank formed through stamping can be pushed to be loosened, the rapid demolding effect is achieved, manual demolding is not needed, the labor intensity of manual demolding is reduced, and the demolding efficiency is improved.

The invention relates to the field of dies, in particular to a front oxygen sensor support stamping die structure which comprises a fixed die and a movable die, and a punching mechanism, a bending mechanism, a rim charge cutting mechanism and a discharging mechanism are sequentially arranged between the fixed die and the movable die in the conveying direction of a material belt. The punching mechanism is used for punching various holes in different shapes and positions in a material belt, the rim charge cutting mechanism is used for accurately cutting off rim charges, the bending mechanism is used for gradually bending the material belt of a plane structure into the shape of a product, and the discharging mechanism is used for conveying the machined product out of a die. The wear rate of the contact surface of the mold is reduced.

The invention relates to a method and a separating device for separating at least one workpiece (7) from a residual grid (8) of a residual grid component assembly (9), which is produced in a machine tool (3) by a cutting operation from a plate-shaped material (2), wherein the residual grid component assembly (9) is fed to a holder (42) of the separating device (41) with a hold-down element (26) resting on a top side of the residual grid component assembly (9), wherein the hold-down element (26) and the residual grid component assembly (9) are jointly excited by vibrations by a vibratory drive (45), and wherein the hold-down element (26) selectively separates the at least one workpiece (7) downwards only relative to the underside of the residual grid component assembly (9).

The invention discloses a steel wheel spoke stamping die which comprises a bearing table, a lower die base arranged on the bearing table, a bearing detection assembly installed on the bearing table and used for bearing the lower die base and detecting the position of the lower die base, a press machine installed on the top of the bearing table, and an upper die base installed at the output end of the press machine in a transmission mode. The upper die base and the lower die base are matched to be used for punching a spoke workpiece, and the driving assembly is installed on the front face of the bearing table and used for driving the lower die base to revolve and driving the lower die base to rotate for die retreating. By means of the cooperative use mode of the lower die bases and the driving assembly, the driving assembly can drive the multiple lower die bases to rotate so that the multiple lower die bases can be matched with the upper die base to conduct stamping machining on the wheel spoke, and when the driving assembly drives the lower die bases to rotate to be separated from the upper die base, the lower die bases can also rotate by a circle so that the lower die bases can be automatically stripped; and therefore, the stamping production efficiency of the wheel spoke is improved.

The invention discloses a single-machine multi-station linkage type press machine which comprises a press machine body, a bearing table is arranged on the press machine body, a plurality of bottom dies are arranged on the bearing table, a lower pressing plate is arranged on the bearing table in a guiding and sliding mode, a plurality of punching heads matched with the bottom dies are arranged on the lower pressing plate, and blowing holes blowing dust upwards are formed in the bottom dies. The bottom die is further provided with a detection piece used for detecting flying dust and a cleaning device. The invention provides a single-machine multi-station linkage type press machine which can conduct punching operation on a multi-station die at the same time, meanwhile, a die cavity and a punching head can be automatically cleaned at the same time, dust and particulate matter generated by metal deformation are removed, and therefore the situation that the die is damaged due to the fact that the particulate matter is accumulated in the continuous punching process is avoided. The production cost is reduced, and the production efficiency is improved.

The invention discloses a universal bending punch press with an automatic feeding and discharging mechanism. The universal bending punch press comprises a machining base table, a station switching mechanism, feeding assemblies, stamping dies and receiving assemblies, wherein the feeding assemblies, the stamping dies and the receiving assemblies correspond to stations arranged on the machining base table. The station switching mechanism is used for grabbing the machined workpieces to sequentially pass through all the stations. The feeding transfer assembly and the discharging transfer assembly in the station switching mechanism are both arranged on the linear sliding table module, suction and transfer of machined workpieces and finished workpieces can be completed at the same time under driving of the linear sliding table module, and the machining efficiency of the machined workpieces is greatly improved. And meanwhile, the feeding assembly and the receiving assembly can lift the machined workpieces and transfer and temporary storage of the finished workpieces correspondingly, and therefore the time spent on sucking and placing the machined workpieces and the finished workpieces by the feeding transfer assembly and the discharging transfer assembly is shortened.

The invention relates to the technical field of building board production, in particular to a blanking device for building board production, which comprises a table body, a hydraulic cylinder is fixedly mounted on the upper surface of a placement plate, a rectangular block is fixedly mounted on the upper surface of the table body, a push plate is fixedly mounted at one end of each of two sliding rods, and a mounting block is fixedly mounted at the other end of each of the two sliding rods. The sliding rod is sleeved with a telescopic spring, an inclined rod is fixedly installed on the upper surface of the push plate, and a discharging groove is formed in the upper surface of the table body. The side wall of the bottom end of a driving shaft of the hydraulic cylinder is fixedly provided with an abutting rod, the upper surface of the inclined rod is provided with a penetrating opening, the opening wall of the penetrating opening is horizontally provided with a round opening, a rotating shaft is rotatably installed in the round opening, the rotating shaft is fixedly sleeved with an inclined plate, and the lower surface of the inclined rod is provided with a rotation limiting opening. Compared with the prior art, the automatic blanking device has the advantages that stamped materials can be automatically blanked, manual unloading is not needed, potential safety hazards of manual unloading are avoided, the workload and the labor intensity of operators are relieved, and the working efficiency of blanking is improved.

The invention discloses a punching device and a punching method for flange machining, and relates to the technical field of flange machining punching. The flange punching device comprises a punching machine, a supporting and fixing assembly and a transferring assembly, a supporting inner plate, a movable supporting plate and a supporting outer plate support a flange, the movable supporting plate and the supporting outer plate are located on the two sides of the flange punching position correspondingly, a pushing block moves in the direction close to the supporting inner plate, and a lifting rod vertically moves and drives a rotating and fixing plate to rotate; the pushing block moves and pushes the rotating fixing plate to move, the rotating fixing plate moves to make contact with the flange and conduct extrusion fixing, flanges of different specifications can be fixed, supporting parts do not need to be replaced, and the machining efficiency is improved; the two sides of punched holes are supported when multiple holes of different flanges are punched at the same time, deformation flaws caused by insufficient supporting contact points when the multiple holes are punched at the same time are prevented, the defective rate is reduced, and the punching quality is improved.

The invention belongs to the technical field of angle steel bending, and discloses an angle steel bending device for steel structure construction, which comprises a bending table, an L-shaped heating plate is arranged on one side of the top of the bending table, a heating rod is fixedly connected to one side of the L-shaped heating plate, a guide plate is fixedly connected to one side of the top of the bending table, and first angle steel is arranged in the guide plate. By starting a first driving motor, the first driving motor is started to drive a first rotating shaft to rotate to drive a grinding wheel to rotate, meanwhile, the first rotating shaft rotates to drive a rotating disc to do 45-degree reciprocating swing motion, and at the moment, the rotating disc reciprocates to drive a first shaft sleeve, a dustproof shell, a fourth rotating shaft and the grinding wheel to do reciprocating swing; and therefore, the grinding wheel can be attached to the bending angle of the first angle steel to conduct grinding, ferric oxide formed on the surface is better removed, the product quality is improved, and meanwhile equipment abrasion and the failure rate are reduced.

The invention relates to a handling device and a method for separating a workpiece (7) from a residual grid (8) of a residual grid component assembly (9), which can be produced from a plate-shaped material (2) by a cutting process, with a support frame (23) on which a rear gripping device (24) is provided, which has rear gripping elements (19, 20) that are movable relative to the support frame (23) from an out-of-engagement position to a gripping position (33) in which the residual grid component assembly (9) is gripped from behind, with a holding device (28) arranged on the support frame (23) which comprises at least one holding element (27) by which the residual grid component assembly (9) can be moved from a gripping position (33) to a separation position (35) in which the residual grid component assembly (9) is lifted away from the rear gripping elements (19, 20).wherein the residual grid assembly (9) arranged in the separation position (35) can be subjected to vibrations of a vibrating tool (34) for separating the at least one workpiece (7) from the residual grid (8).

The invention relates to the technical field of perforating machines, in particular to a full-automatic double-head perforating machine which comprises a supporting frame, a workbench is fixedly connected to the top of the supporting frame, sliding rails are fixedly connected to the two sides of the top of the workbench, sliding blocks are slidably connected to the tops of the sliding rails, and bearing plates are fixedly connected to the tops of the sliding blocks. Opposite punching motors are fixedly connected to the tops of the bearing plates correspondingly, punching heads are fixedly connected to the output ends of the punching motors, first electric telescopic rods are fixedly connected to the side wall of the workbench, the output ends of the first electric telescopic rods are fixedly connected to the side walls of the bearing plates, and a punching table is fixedly connected to the middle of the top of the workbench. The top of the workbench is fixedly connected with a supporting table, and the top of the supporting table is fixedly connected with a second electric telescopic rod. Compared with the prior art, the automatic bar placing and taking-out device effectively and automatically places and takes out bars, tedious operation of manual intervention is avoided, and the production efficiency is remarkably improved.

The invention relates to the technical field of automobile part machining, and discloses a stamping device for automobile stamping part machining and a using method thereof.The stamping device comprises a base, a support is fixedly connected to the top of the base, and an electric telescopic rod is fixedly connected to the end, away from the base, of the support; as the air pressure cylinder slides downwards, the fixing column and the piston plate are fixed, and as the distance between the piston plate and the mounting frame is increased, the interior of the air pressure cylinder is converted from normal air pressure to negative pressure, and after equipment completes stamping, the piston plate drives the rotating blocking plate to rotate upwards with the connecting point as the center through the pulling line at the moment; the negative pressure in the air pressure cylinder acts on the inner wall of the sliding plate through the air pressure box, waste materials in the sliding plate are forced to be extracted by the negative pressure, slide upwards along the inner wall of the sliding plate and finally enter the air pressure box, and the waste materials generated after punching are prevented from falling into the base downwards to affect the punching precision of a follow-up die.

The utility model relates to a conveying device for metal can production, which comprises a material placing device, a conveying device and a stamping device, the conveying device is arranged between the material placing device and the stamping device, the conveying device comprises a conveying frame and a material moving frame, the conveying frame is arranged on one side of the stamping device, the material moving frame is arranged in front of the stamping device, and the stamping device is arranged on the conveying frame. A conveying belt is arranged at the top of the conveying frame, a transverse moving mechanism is arranged on the material moving frame, a lifting mechanism is arranged on the transverse moving mechanism, a material moving mechanism is arranged on the lifting mechanism, and the material moving mechanism is movably arranged above the position between the conveying belt and the stamping device. According to the conveying device for metal can production, through automatic part taking, the working efficiency during production is greatly improved, and workers are effectively prevented from being injured.

The invention relates to the technical field of socket steel pipes, and provides socket steel pipe machining equipment which comprises an expanding forming machine, and a machining feeding port is formed in the front end face of the expanding forming machine; the bearing frame is arranged on the front side of the front end face of the expanding forming machine, and the length direction of the bearing frame is parallel to the axial direction of the machining feeding port. The lifting carrier roller frames are arranged on the bearing frame at intervals in the length direction of the bearing frame and used for bearing steel pipes and adjusting the height of the steel pipes so that the steel pipes can be aligned to the machining feeding opening. The multiple discharging vertical plates are arranged on the bearing frame at intervals, at most one discharging vertical plate is arranged between every two adjacent lifting carrier roller frames, and after the lifting carrier roller frames descend to the height lower than the discharging vertical plates, the first guide faces are used for guiding the steel pipes to slide to one side of the bearing frame. The technical problems that in the prior art, feeding and discharging time is long after socket steel pipes are machined, and pipelines with different pipe diameters cannot be rapidly and accurately centered are solved.

The invention relates to the field of forge piece punching machines, and discloses a forge piece punching machine which comprises a base, two supporting plates, a top plate, a punching device, a material taking device, a heat dissipation device and a controller, the punching device is arranged below the top plate, the material taking device is arranged on the side of the punching device, the heat dissipation device is arranged on the side of the material taking device, and the controller is arranged on the base. Through the punching device and the material taking device which are arranged and interact with each other and are matched with each other, after punching operation is completed, a forge piece does not need to be manually taken down from a workbench and placed in a collecting box, operation is more accurate and safer, and then the situation that due to manual operation, production line pause is caused, and waiting time is prolonged is avoided.

The invention provides stamping equipment for automobile engine oil pan production, and belongs to the technical field of oil pan stamping equipment. Which comprises a stamping equipment body and is characterized in that a lower die and an upper die are installed on the stamping equipment body, a first supporting frame is installed on one side of the stamping equipment body, and a second supporting frame is installed on the other side of the stamping equipment body; an automobile oil pan material plate is placed on the top of the first supporting frame. By arranging the auxiliary feeding mechanism and the auxiliary discharging mechanism, the auxiliary feeding mechanism can be utilized, workers do not need to make direct contact with an automobile oil pan material plate, the automobile oil pan material plate can be rapidly and stably transferred to the position between the lower die and the upper die, and accurate alignment can be achieved after transferring, and the automobile oil pan material plate can be reliably placed on the top of the lower die; and compared with a traditional manual handheld plate feeding mode, the feeding device is safer and more reliable.

The invention discloses a feeding and discharging device for car window guide rail robot punching, and belongs to the technical field of automobile part machining. The feeding slide way is obliquely arranged, and workpieces automatically slide to a to-be-grabbed area on the lower side along the feeding slide way by means of gravity; the blocking mechanism is located on the feeding sliding way, when the workpieces exist in the area waiting for grabbing, the subsequent workpieces are blocked, and the next workpiece is released after the workpieces are moved out; the jacking mechanisms are located on the two sides of the to-be-grabbed area, and it is guaranteed that workpieces are accurately positioned; the detection module is in signal linkage with the robot, detects a workpiece in the area waiting for grabbing and triggers a grabbing signal; and the discharging mechanism comprises a self-separating assembly and a material box, and the self-separating assembly receives the punched workpieces and guides the workpieces to the material box. The whole process is highly automatic, the workpieces enter a grabbing waiting area one by one, the workpieces are accurately positioned by combining the left jacking air cylinder and the right jacking air cylinder, it is ensured that the workpieces are located at the accurate positions before grabbing every time, and the problems that traditional feeding and discharging equipment is inaccurate in positioning and low in efficiency are solved.

The utility model discloses a spiral baffle plate punching die adsorbing and chip collecting device, and belongs to the field of spiral baffle plate production equipment. According to the technical scheme, the spiral baffle plate punching die adsorbing and chip collecting device comprises a lower die and an upper die which are sequentially arranged from bottom to top, a stamping cavity is formed in the upper end of the lower die, and a material collecting cavity is formed below the stamping cavity; according to the punching device, the negative pressure mechanism is started, so that outside air enters the punching cavity through the air channel to blow and clean punching scraps attached to the surfaces of the punching assembly and the punching template, the cleaned scraps enter the material collecting cavity along the hole channel along with airflow to be collected, and the punching assembly and the punching template can be cooled when the airflow enters the punching cavity; the service life of the punching assembly and the punching die plate is prolonged, and after the waste materials and the chippings in the material collecting cavity are collected to a certain amount, the material collecting cavity can be opened to clear out the waste materials and the chippings.

The present invention discloses a stamping die system for preparing a sensor housing, comprising a feeding mechanism, a stamping mechanism for stamping materials, and a pushing mechanism for pushing materials to the stamping mechanism; the feeding mechanism comprises a vibration plate for holding materials, and a feeding channel, which are interconnected; the feeding channel is connected to the pushing mechanism, and the vibration plate provides a vibration force to transport the materials to the pushing mechanism through the feeding channel; when the pushing mechanism pushes the materials to the stamping mechanism, the stamping mechanism stamps the materials. The stamping die system of the present invention uses a cold forming process to process the sensor housing, which not only avoids technical problems such as frequent tool breakage in traditional machining methods, but also has high machining efficiency.

The invention discloses hardware automatic stamping equipment and method, and particularly relates to the technical field of hardware machining, the hardware automatic stamping equipment comprises a stamping machine, the stamping machine is composed of a rack and a spindle box, the spindle box is arranged on the rack and used for transmitting power in a reciprocating mode, a lower die base is installed at the stamping position of the stamping machine, and a stamping die is arranged at the output end of the stamping machine; the stamping die and the lower die base are arranged in a matched mode to complete stamping machining. Limiting and automatic discharging operation of hardware plates can be completed through the limiting frame, automatic feeding and discharging work of the hardware plates can be completed through cooperative work of the feeding mechanism and the limiting frame, the occupied area is small, construction is convenient, meanwhile, the pretreatment mechanism is arranged, and the pretreatment efficiency is improved. Pretreatment work of the hardware plate on the feeding mechanism and the lower die base can be completed step by step, the problem that the product quality of the hardware plate is affected by temperature rise of the lower die base is avoided, and the surface quality of the hardware plate is improved.

The utility model discloses a sheet metal stamping die, comprising a die and a top plate fixedly connected to the top of the die through a support rod, the bottom of the die is fixedly connected to a base through a fixing rod, and a groove is provided on the top of the die. The utility model relates to the technical field of stamping dies. The sheet metal stamping die drives a push block to move upward by controlling a second hydraulic telescopic rod, and the push block moves upward through an L-shaped plate, and the L-shaped plate drives a lift plate to move upward through a connecting plate and a support plate, so that the lift plate lifts up the sheet metal stamped in the groove, so that the stamped sheet metal can be easily moved out, and the push block continues to move upward to push the triangular plate, and the triangular plate drives the push plate to move leftward to push the sheet metal lifted by the lift plate, so that the stamped sheet metal can be easily pushed away, and no manual removal is required, which is more labor-saving to operate and reduces the labor level of sheet metal processing.

A four-edge double-bending die mechanism comprises an upper die (10) and a lower die (20), and the upper die (10) comprises an upper die base (11), a beating plate (12), an upper die plate (13) and a sliding block set (14; the lower die (20) comprises a lower die floating plate (21) and a lower die base (22), lower die bending blocks (23) are arranged on the peripheral sides of the lower die floating plate (21) and matched with the sliding block set (14) to form first-time bending, each lower die bending block (23) is provided with a side pushing bending mechanism (24) in a sliding mode, and the side pushing bending mechanisms (24) are arranged on the lower die floating plate (21) and matched with the sliding block set (14) to form second-time bending. And the lateral pushing bending mechanism (24) is driven by the corresponding upper die slotting tool (111) to form secondary bending with the sliding block group (14). The sliding block set is matched with the lower die bending block and the four side pushing bending mechanisms to complete product double-bending forming, the number of sets of dies is reduced, the number of operators is reduced, the cost is reduced, and the machining efficiency is also improved.

The invention provides a stamping die waste discharging mechanism, and relates to the technical field of stamping auxiliary equipment, the waste discharging mechanism comprises a discharging slide way and two blowing assemblies, and the bottom wall of the discharging slide way is provided with a plurality of material distribution discharging ports; a material supporting plate assembly is arranged on the inner side of each material distributing and discharging opening; a set of material blocking roller components are arranged on the side portion of each material distributing and discharging opening, the bottom of the material discharging sliding way is provided with a plurality of material blocking roller driving components connected with the bottoms of the material blocking roller components, and the material blocking roller driving components can act on the bottoms of the material blocking roller components so that the material blocking roller components can alternately rotate forwards and backwards. A jacking connecting rod is arranged at the top of the air blowing assembly, and the jacking connecting rod can act on the air blowing assembly when being pressed so that the air blowing assembly can spray air flow to the material receiving area; when the die assembly is in a die assembly state and punches the workpiece, the die assembly can press the jacking connecting rod downwards.

The invention relates to the technical field of punching product machining, in particular to a full-automatic feeding and discharging device for punching products, which comprises a four-axis mechanical arm and a mounting seat mounted at the output end of the four-axis mechanical arm in a telescopic sliding manner. A plurality of suction heads are arranged in the center of the suction cup jig, the suction nozzles and the suction heads are arranged in the same air inlet and exhaust system, the suction cup jig has a good suction and fixing effect on punching products with different surface areas conveniently, and the suction heads can be synchronously adjusted, so that the working efficiency when the positions of the suction heads are adjusted is further improved. That is to say, when a plurality of suction heads adsorb and fix a punching workpiece, air can be exhausted through the spray heads, so that blowing cleaning of a die and the punching workpiece is completed, more importantly, a combined air inlet and exhaust system of the spray heads and the suction heads cannot change along with changes of the positions of the suction heads, and synchronous work can be guaranteed all the time.

The utility model relates to the technical field of nut molds, in particular to a nut mold. The utility model provides an automatic blanking nut die. A nut die comprises a bottom plate, a support, a stamping part, an air cylinder, a material supporting assembly, a rotating assembly and a collecting assembly, the support is connected to the right side of the bottom plate, the air cylinder is installed on the support, the stamping part is connected to a telescopic rod of the air cylinder, the material supporting assembly is arranged on the left side of the support, and the collecting assembly and the rotating assembly are arranged at the top of the bottom plate. Through cooperation of the protruding rods and the arc-shaped sliding grooves, the material receiving disc can rotate by 180 degrees after the nuts are punched and formed, one feeding and one discharging are carried out, the formed nuts and waste materials can be classified and collected automatically and orderly, manual operation is omitted, and the overall working efficiency is improved.

The invention discloses an automatic taking stamping die device with a waste separation function, and relates to the technical field of stamping machines, the automatic taking stamping die device comprises a bottom plate, the top surface of the bottom plate is provided with a stamping base unit capable of realizing classified and divided conveying of waste and a target workpiece after a stamping process is completed; the top surface of the stamping base unit is provided with a stamping execution unit with a function of quickly replacing a die as required; the stamping base unit comprises a stamping base frame fixedly mounted on the top surface of the bottom plate; when the stamping driving rod descends to the preset height, the punch makes contact with a stamping blank, workpiece shaping in the first stage and workpiece cutting and separating operation in the second stage are synchronously completed, after workpiece machining is completed, the punch mounting base continues to conduct downward pressing, the material taking pressing block presses one end of the workpiece, and the workpiece is cut and separated. The other end of the workpiece is promoted to tilt and fall into the material taking movable groove, clamping stagnation of the workpiece and the punch is prevented, meanwhile, it is ensured that the workpiece is attached to the surface of the guiding protective net, and smooth proceeding of the follow-up automatic workpiece taking procedure is ensured.

The utility model discloses a transformer iron core stamping die, and belongs to the technical field of stamping dies. The transformer iron core stamping die comprises a lower die and an upper die, a stamping cavity and a stamping head are arranged in the lower die and the upper die respectively, and the transformer iron core stamping die further comprises a demolding liquid cavity arranged in the lower die and filled with demolding liquid; the plurality of groups of atomizing nozzles are arranged in the stamping cavity; the piston cylinder is connected into the lower die, the telescopic end of the piston cylinder penetrates through the lower die, and the telescopic end can be extruded by the upper die and then contracted into the piston cylinder; the liquid inlet pipe is connected to the piston cylinder, and the other end of the liquid inlet pipe is located in the demolding liquid cavity; through the arrangement of the piston cylinder, in the using process, demolding liquid can be continuously sprayed out, then the demolding liquid is sprayed out through the atomization spray head, the side portion of an iron core to be stamped is sprayed, the iron core is prevented from being attached to the interior of the stamping cavity of the lower die, manual spraying is not needed, and using is convenient.

The invention discloses battery case hydraulic stretching equipment which comprises a fixed base, lower die bodies and upper die bodies, a plurality of groups of lower die bodies are fixedly mounted on the inner side of the upper end of the fixed base, a plurality of groups of upper die bodies are movably mounted above the lower die bodies, and the plurality of groups of upper die bodies are connected and fixed through stamping plates; the upper end of the punching plate is driven by a hydraulic rod, material moving clamping strips are movably installed at the positions, located on the two sides of the lower die body, of the upper end of the fixed base, a plurality of sets of deviation correctors used for positioning the battery shell are installed on the side edges of the material moving clamping strips, a cooling groove is formed in the upper die body, and the upper ends of the multiple sets of upper die bodies are connected in series through a flow guide pipe. The outer surface of the upper die body is movably sleeved with a stripper plate, a transverse clamping plate is spliced and installed at the lower end of the stripper plate, an unwinding box is slidably installed on the outer surface of one side of the fixed base, and a conveying frame is arranged at the upper end of the unwinding box. And a deviation rectifying type auxiliary material moving structure is arranged, so that the deformation phenomenon of the battery shell during continuous stamping operation can be avoided, and the stamping effect of the battery shell is improved.