CN120696289A - A stamping device for door lock processing - Google Patents
A stamping device for door lock processingInfo
- Publication number
- CN120696289A CN120696289A CN202511203517.5A CN202511203517A CN120696289A CN 120696289 A CN120696289 A CN 120696289A CN 202511203517 A CN202511203517 A CN 202511203517A CN 120696289 A CN120696289 A CN 120696289A
- Authority
- CN
- China
- Prior art keywords
- upper die
- lower die
- door lock
- punching
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
本申请涉及冲压装置技术领域，公开了一种门锁加工用冲压装置，用以解决废料沾粘在上模下端面影响后续冲压作业和扣片孔塌角过大的问题。通过在上模下移时挤压动力板，使动力板推动动力块和推动条移动，当上模的下端面移动至与推动条同一高度时，推动条恰好移动至上模下端面的侧壁，从而使推动条推动上模下端面沾粘的废料，防止上模下端面沾染废料影响后续的冲压作业；通过动力板推动动力块移动时，动力块推动底环和顶环上移，上移的顶环对扣片孔的塌角进行反向挤压，从而使扣板孔处塌角的幅度减小，进一步保证冲孔后扣片孔位置的平整度。
The present application relates to the technical field of stamping devices, and discloses a stamping device for door lock processing, which is used to solve the problem of waste material adhering to the lower end face of the upper die, affecting the subsequent stamping operation, and the problem of excessive collapse of the buckle hole. By squeezing the power plate when the upper die moves downward, the power plate pushes the power block and the push bar to move. When the lower end face of the upper die moves to the same height as the push bar, the push bar just moves to the side wall of the lower end face of the upper die, so that the push bar pushes the waste material adhering to the lower end face of the upper die, preventing the lower end face of the upper die from being contaminated by the waste material and affecting the subsequent stamping operation; when the power plate pushes the power block to move, the power block pushes the bottom ring and the top ring to move upward, and the upward-moving top ring reversely squeezes the collapse angle of the buckle hole, thereby reducing the amplitude of the collapse angle at the buckle plate hole, further ensuring the flatness of the buckle hole position after punching.
Description
Technical Field
The application relates to the technical field of stamping devices, in particular to a stamping device for door lock processing.
Background
The door lock is a safety core component of the door, the structure of the door lock is different according to the type of the lock (such as a mechanical lock, an electronic lock, an intelligent lock and the like), but basically comprises a panel, a handle, a lock cylinder, a lock body, a lock tongue, a transmission mechanism, a buckle piece and the like, wherein the buckle piece is a key component matched with the lock tongue in a door lock system, the buckle piece is generally fixed on the side edge of a door frame (a position corresponding to the lock tongue of a door leaf), and when the door is closed, the lock tongue stretches into the buckle piece to form a meshing relationship with the lock tongue on the door leaf.
In order to facilitate the stamping operation, a certain gap exists between the punching of the upper die and the lower die base of the stamping device, when the upper die punches the plate on the lower die base, the edge of a plate buckle hole can generate downward deformation (such as corner collapse, curling and the like), the edge of the buckle hole is turned downwards due to overlarge corner collapse, friction can be increased when a lock tongue is inserted, and the lock tongue is not in place in rebound, thereby influencing the normal use of the door lock.
Disclosure of Invention
The application provides a stamping device for door lock processing, which has the advantages of preventing waste from being stuck on the lower end face of an upper die and reducing the collapse angle of a buckle piece hole, and is used for solving the problems that the subsequent stamping operation and the collapse angle of the buckle piece hole are influenced by the sticking of the waste on the lower end face of the upper die.
The stamping device for door lock processing comprises a supporting box body, a supporting column, a hydraulic mechanism, a lower die holder, an upper die and a control system, wherein L-shaped grooves are formed in two sides of a punched hole of the lower die holder, each L-shaped groove comprises a transverse groove and a vertical groove, a pushing mechanism for pushing waste adhered to the lower end face of the upper die is movably arranged in each L-shaped groove, each pushing mechanism comprises a power plate, the power blocks are slidably arranged in the transverse grooves of the L-shaped grooves in a sliding sealing mode, the power blocks are in sliding contact with the power plates, pushing strips are fixedly arranged at the bottom ends of side walls of the punched holes of the power blocks, jacking grooves are formed in the side walls of the punched holes of the lower die holder, and reset mechanisms for reversely extruding the collapsed corners of the buckling holes are movably arranged in the jacking grooves.
The reset mechanism further comprises a bottom ring which is slidably arranged in the jacking groove, slopes are arranged at the bottom ends of the two sides and are in sliding contact with the power blocks, and a top ring which is fixedly connected to the upper end face of the bottom ring, and the outer side wall of the top ring is in sliding sealing contact with the punching side wall of the lower die holder.
Further, the thickness of the top ring is smaller than the gap between the punching side wall of the lower die base and the side wall of the upper die.
Further, the contact surface of the power plate and the power block and the contact surface of the slope and the power block are inclined by 45 degrees, and the length of the power plate extending out of the vertical groove of the L-shaped groove is the same as the distance between the upper end surface of the top ring and the upper end surface of the lower die holder.
The lower die seat is internally provided with a cleaning mechanism for cleaning the lower end face of the upper die, the cleaning mechanism comprises a telescopic bag, a plurality of supporting springs, an air storage tank, a plurality of vent pipes, a plurality of pressure release valves, a telescopic pipe and a one-way valve II, wherein the telescopic bag is movably sleeved on the outer side of the top ring, the bottom end of the telescopic bag is fixedly connected to the top end of the bottom ring, the supporting springs are arranged in the telescopic bag and used for supporting the telescopic bag, the air storage tank is fixedly connected to the top end of the telescopic bag and fixedly connected to the inner wall of the jacking groove, the air storage tank is communicated with the telescopic bag through the one-way valve I, the vent pipes are embedded and arranged on two sides of a punching hole of the lower die seat, the bottom end of the vent pipe is communicated with the air storage tank, the top end of the vent pipe faces the punching hole of the lower die seat and is connected with the pressure release valve, and the telescopic pipe is arranged in the bottom ring, one end of the telescopic pipe is communicated with the telescopic bag, and the other end of the telescopic pipe penetrates through the bottom ring and is communicated with the one-way valve II.
Further, the maximum volume within the reservoir remains unchanged, with no visible deformation of the reservoir.
Further, the pressure release valve at the top end of the vent pipe is tightly attached to the top end of the top ring, and the top ring moves upwards to seal the pressure release valve on the vent pipe.
Further, the circulation direction of the one-way valve I is that the inside of the telescopic bag flows into the air storage tank, and the circulation direction of the one-way valve II is that the outside flows into the telescopic bag.
Further, the contact surface of the power plate and the power block is embedded with a plurality of balls, and the contact surface of the slope of the bottom ring and the power block is also embedded with a plurality of balls.
The application has the following beneficial effects:
1. According to the stamping device for door lock processing, the power plate is extruded when the upper die moves downwards, so that the power plate pushes the power block and the pushing strip to move, when the lower end face of the upper die moves to the same height as the pushing strip, the pushing strip just moves to the side wall of the lower end face of the upper die, and therefore the pushing strip pushes the lower end face of the upper die to be sticky to waste, and the lower end face of the upper die is prevented from being sticky to waste to influence subsequent stamping operations.
2. According to the stamping device for door lock processing, when the power block is pushed to move through the power plate, the power block pushes the bottom ring and the top ring to move upwards, and the upwards-moved top ring carries out reverse extrusion on the collapse angle of the buckle plate hole, so that the width of the collapse angle at the buckle plate hole is reduced, and the flatness of the position of the buckle plate hole after punching is further ensured.
3. According to the stamping device for door lock processing, when the bottom ring moves upwards, the telescopic bag is extruded, so that gas in the telescopic bag enters the gas storage tank through the one-way valve I, the pressure of the gas in the gas storage tank is increased, and when the pressure of the gas in the gas storage tank reaches the pressure of the pressure release valve on the vent pipe, the gas in the gas storage tank is discharged from the vent pipe, so that the lower end face of the upper die is blown, the subsequent stamping face is prevented from being scratched due to the fact that the lower end face of the upper die is adhered with sweeps, the flow of the gas is accelerated, and the stamping positions of the lower die and the upper die are cooled.
4. According to the stamping device for door lock processing, when the bottom ring and the top ring move upwards, the air outlet of the pressure release valve on the vent pipe is closed, so that the air pressure in the air storage tank is maximum, when the upper die is reset, the bottom ring and the top ring are reset under the action of the elastic force of the supporting spring, at the moment, the top ring does not block the air outlet of the pressure release valve on the vent pipe any more, so that the air with larger air pressure in the air storage tank is discharged from the vent pipe and the air outlet of the pressure release valve, the flow speed of the air is increased, and the cleaning effect of the air flow on the lower end face of the upper die is further enhanced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
The application may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the lower die holder, upper die and guide mechanism of the present invention;
FIG. 3 is a schematic view of the lower die holder and upper die of the present invention;
FIG. 4 is a schematic view of the structure of the lower die holder of the present invention;
FIG. 5 is a cross-sectional view of a lower die holder of the present invention;
FIG. 6 is a schematic view of the internal structure of the lower die holder of the present invention;
FIG. 7 is the view of FIG. 6 of the present invention and a partial structural cross-section.
The device comprises a box body 1, a supporting column 2, a hydraulic mechanism 3, a lower die holder 4, a 41, an L-shaped groove 42, a pushing mechanism 421, a power plate 422, a power block 423, a pushing bar 43, a lifting groove 44, a resetting mechanism 441, a bottom ring 442, a slope 443, a top ring 451, a telescopic bag 452, a supporting spring 453, a gas storage tank 454, a one-way valve I, 455, a vent pipe 456, a telescopic pipe 457, a one-way valve II, a 5, an upper die 6, a guiding mechanism 7, a feeding mechanism 8 and a control system.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 1 and 2, a stamping device for door lock processing includes a supporting box body 1, a supporting column 2, a hydraulic mechanism 3, a lower die holder 4, an upper die 5, a guiding mechanism 6, a feeding mechanism 7 and a control system 8, wherein one side of the top end of the supporting box body 1 is fixedly provided with the supporting column 2 and the lower die holder 4, the supporting column 2 is positioned at the edge of the upper end face of the supporting box body 1, the lower die holder 4 is positioned at the middle position of the upper end face of the supporting box body 1, one side of the supporting column 2 is fixedly provided with the hydraulic mechanism 3, the output end of the hydraulic mechanism 3 is fixedly connected with the upper die 5, the hydraulic mechanism 3 and the upper die 5 are positioned right above the lower die holder 4, a guiding mechanism 6 is arranged between the lower die holder 4 and the upper die 5, the lower end of the guiding mechanism 6 is fixedly connected with the edge of the upper end face of the lower die holder 4, the upper end of the guiding mechanism 6 is inserted into the upper die 5, one side of the upper end of the supporting box body 1 is fixedly provided with the feeding mechanism 7, and the position of the side wall of the supporting box body 1 is fixedly provided with the control system 8 for controlling the stamping device.
Referring to fig. 2-6, two sides of a punching hole of a lower die holder 4 are provided with an L-shaped groove 41, the L-shaped groove 41 comprises a horizontal groove and a vertical groove, the top end of the vertical groove penetrates through the lower die holder 4, one end of the horizontal groove is communicated with the vertical groove, the other end of the vertical groove is communicated with the punching hole of the lower die holder 4, a pushing mechanism 42 for pushing waste adhered to the lower end surface of the upper die 5 is movably arranged in the L-shaped groove 41, the pushing mechanism 42 comprises a power plate 421, a power block 422 and a pushing strip 423, the power plate 421 is slidably and hermetically arranged in the vertical groove of the L-shaped groove 41, the top end of the power plate 421 extends out of the vertical groove of the power plate 421, the power block 422 is slidably arranged in the horizontal groove of the L-shaped groove 41, the power block 422 is in sliding contact with the power plate 421, the contact surface of the power block 422 and the power plate 421 is an inclined surface, and the power block 422 is pushed to move downwards towards the punching hole of the lower die holder 4 when the power block 422 is close to the bottom end of the side wall of the punching hole 4, and the pushing strip 423 is fixedly arranged;
When the stamping device is used for processing the plate, the plate is conveyed between the lower die holder 4 and the upper die 5 through the feeding mechanism 7, the upper die 5 is pushed downwards through the hydraulic mechanism 3, the upper die 5 pushes the power plate 421 on the lower die holder 4 downwards in the process of stamping the plate, the power plate 421 which moves downwards pushes the power block 422, the power block 422 drives the pushing strip 423 to move towards the punching position of the lower die holder 4, when the plate on the upper die 5 contacts with the upper end face of the lower die holder 4, the position of the lower end face of the upper die 5 is flush with the position of the pushing strip 423, the bottom end of the side wall of the power block 422 is tightly attached to the bottom end of the side wall of the upper die 5, and meanwhile, the pushing strip 423 on the bottom end face of the side wall of the power block 422 pushes the waste material adhered to the lower end face of the upper die 5, so that the waste material adhered to the lower end face of the upper die 5 is pushed, and the waste material adhered to the lower end face of the upper die 5 is prevented from affecting subsequent stamping operation.
Referring to fig. 2-6, a jacking groove 43 is formed in a side wall of a lower die holder 4 for punching, the bottom end of the jacking groove 43 is communicated with a transverse groove of a power plate 421, a reset mechanism 44 for performing reverse extrusion on a collapse angle of a buckle hole is movably arranged in the jacking groove 43, the reset mechanism 44 comprises a bottom ring 441 and a top ring 443, the bottom ring 441 is slidably arranged in the jacking groove 43, slopes 442 are formed in the bottom ends of two sides of the bottom ring 441, the slopes 442 are in sliding contact with power blocks 422, the surface of the power blocks 422 closely attached to the slopes 442 is an inclined surface, the bottom ring 441 can be pushed to move upwards when the power blocks 422 move towards the punching of the lower die holder 4, a top ring 443 is fixedly connected to the upper end surface of the bottom ring 441, and the outer side wall of the top ring 443 is in sliding sealing contact with the punched side wall of the lower die holder 4;
When the power plate 421 is pushed by the plate on the upper die 5 to move downwards, the bottom ring 441 is synchronously pushed by the power block 422 to move upwards when the punching of the lower die holder 4 is carried out by the power plate 421, the top ring 443 is synchronously moved upwards by the upwards-moving bottom ring 441, when the power plate 421 is completely pushed into the vertical groove of the L-shaped groove 41, the bottom ring 441 and the top ring 443 are lifted to the topmost end, the top end of the top ring 443 is flush with the upper end face of the lower die holder 4, and the collapse angle of the buckle holes is reversely extruded by the upper end face of the top ring 443 in the lifting process of the top ring 443, so that the collapse angle amplitude of the buckle holes is reduced, and the flatness of the buckle holes after punching is further ensured.
The thickness of the top ring 443 is smaller than the gap between the punching side wall of the lower die holder 4 and the side wall of the upper die 5, so that the top ring 443 can move in the gap between the punching side wall of the lower die holder 4 and the side wall of the upper die 5, and the upper die 5 is prevented from obstructing the top ring 443 to move upwards.
The contact surface of the power plate 421 and the power block 422 and the contact surface of the slope 442 and the power block 422 are inclined 45 degrees, so that the power plate 421, the power block 422 and the bottom ring 441 can slide normally, the length of the vertical groove of the power plate 421 extending out of the L-shaped groove 41 is the same as the distance between the upper end surface of the top ring 443 and the upper end surface of the lower die holder 4, and when the power plate 421 slides down into the vertical groove of the L-shaped groove 41 as a whole, the upper end surface of the top ring 443 can be flush with the upper end surface of the lower die holder 4, and the power plate 421 and the top ring 443 can reach the designated position.
The working principle of the first embodiment of the invention is as follows:
Referring to fig. 1-6, when a stamping device is used to process a sheet, the sheet is conveyed between the lower die holder 4 and the upper die 5 by the feeding mechanism 7, the upper die 5 is pushed downward by the hydraulic mechanism 3, the upper die 5 pushes the power plate 421 on the lower die holder 4 to move downward in the process of stamping the sheet, the power plate 421 which moves downward pushes the power block 422, so that the power block 422 drives the pushing strip 423 to move toward the punching position of the lower die holder 4, when the plate on the upper die 5 contacts with the upper end surface of the lower die holder 4, the position of the lower end surface of the upper die 5 is flush with the position of the pushing strip 423, the bottom end of the side wall of the power block 422 is tightly adhered to the bottom end of the side wall of the upper die 5, and simultaneously, the pushing strip 423 on the bottom end surface of the side wall of the power block 422 pushes the waste adhered to the lower end surface of the upper die 5, so that the waste adhered to the lower end surface of the upper die 5 is pushed, and the waste adhered to the lower end surface of the upper die 5 is prevented from affecting the subsequent stamping operation.
When the power plate 421 is pushed by the plate on the upper die 5 to move downwards, the bottom ring 441 is synchronously pushed by the power block 422 to move upwards when the punching of the lower die holder 4 is carried out by the power plate 421, the top ring 443 is synchronously moved upwards by the upwards-moving bottom ring 441, when the power plate 421 is completely pushed into the vertical groove of the L-shaped groove 41, the bottom ring 441 and the top ring 443 are lifted to the topmost end, the top end of the top ring 443 is flush with the upper end face of the lower die holder 4, and the collapse angle of the buckle holes is reversely extruded by the upper end face of the top ring 443 in the lifting process of the top ring 443, so that the collapse angle amplitude of the buckle holes is reduced, and the flatness of the buckle holes after punching is further ensured.
Example two
The second embodiment is a further improvement on the first embodiment.
2-6, A cleaning mechanism for cleaning the lower end surface of the upper mold 5 is disposed in the lower mold base 4, the cleaning mechanism comprises a flexible bag 451, a gas storage tank 453, a one-way valve I454, a vent pipe 455, a flexible pipe 456 and a one-way valve II457, the flexible bag 451 is movably sleeved outside the top ring 443, the flexible bag 451 is disposed in the jacking groove 43, the bottom end of the flexible bag 451 is fixedly connected to the top end of the bottom ring 441, a plurality of supporting springs 452 are disposed in the flexible bag 451, the supporting springs 452 are used for supporting the flexible bag 451, the top end of the flexible bag 451 is fixedly connected with the gas storage tank 453, the top end of the gas storage tank 453 is fixedly connected to the inner wall of the jacking groove 43, the gas storage tank 453 is communicated with the flexible bag 451 through the one-way valve I454, two sides of the punched hole of the lower mold base 4 are embedded with a plurality of vent pipes 455, the bottom end of the vent pipe 455 is communicated with the gas storage tank 453, the top end of the vent pipe 455 is oriented to the punched hole of the lower mold base 4 and is connected with a pressure relief valve, the bottom ring 441 is disposed in the bottom ring 441 at the bottom end of the flexible pipe 456 is communicated with the bottom end of the flexible bag 451, the other end of the flexible pipe is communicated with the bottom end of the flexible bag 451, the bottom end of the flexible pipe II is communicated with the bottom ring II and is communicated with the one-way valve II, and is communicated with the bottom end of the one-way valve 457 and penetrates through the lower mold base 4;
When the power plate 421 is pushed by a plate on the upper die 5 to move downwards, the power plate 421 pushes the power block 422 to move towards the punching hole of the lower die 4, the power block 422 pushes the bottom ring 441 to move upwards, the upwards moving bottom ring 441 extrudes the telescopic bag 451, gas in the telescopic bag 451 is extruded, the air pressure is increased, the gas in the telescopic bag 451 enters the gas storage tank 453 through the one-way valve I454, when the air pressure in the gas storage tank 453 reaches the pressure relief pressure of a pressure relief valve on the vent pipe 455, the gas in the gas storage tank 453 is discharged through the vent pipe 455 and the pressure relief valve on the vent pipe 455, and is blown to the lower end face of the upper die 5 to clean the waste dust adhered to the lower end face of the upper die 5, so that the subsequent punching face is scratched, the flow of the gas in the punching hole of the lower die 4 is quickened, and the punching positions of the lower die 4 and the upper die 5 are cooled.
The gas tank 453 is not deformed visually, the maximum volume in the gas tank 453 is kept unchanged, and when the gas in the telescopic bag 451 enters the gas tank 453, the volume of the gas tank 453 is not increased, so that the pressure of the gas in the gas tank 453 is increased, and the impact force when the gas in the gas tank 453 flows out is enhanced.
When the bottom ring 441 and the top ring 443 just move upwards, the top ring 443 can seal the air outlet of the pressure release valve on the vent pipe 455, so that the air in the air storage tank 453 gradually rises until the pressure reaches the maximum, and in the resetting process of the upper die 5, the bottom ring 441 and the top ring 443 are reset under the elastic force of the supporting spring 452, at the moment, the top ring 443 does not seal the air outlet of the pressure release valve on the vent pipe 455 any more, so that the air with larger air pressure in the air storage tank 453 is discharged from the pressure release valve on the vent pipe 455, the flow speed of the air is enhanced, and the cleaning effect of the air flow on the lower end surface of the upper die 5 is further enhanced.
When the flexible bag 451 is extruded, the gas in the flexible bag 451 can enter the gas storage tank 453 to supplement the gas in the gas storage tank 453, the pressure of the gas in the gas storage tank 453 is increased, and when the bottom ring 441 and the top ring 443 are reset under the action of the supporting springs 452, the external gas enters the flexible bag 451 through the one-way valve II457 and the flexible pipe 456 to supplement the gas in the flexible bag 451.
The contact surface of the power plate 421 and the power block 422 is embedded with a plurality of balls, the contact surface of the slope 442 of the bottom ring 441 and the power block 422 is also embedded with a plurality of balls, and friction force between the contact surface of the power plate 421 and the power block 422 and between the slope 442 and the contact surface of the power block 422 is reduced, so that overlarge friction damage of the contact surface caused by overlarge friction force is prevented.
The working principle of the second embodiment of the invention is as follows:
Referring to fig. 1-6, when the power plate 421 is pushed by the plate on the upper die 5 to move downwards, the power plate 421 pushes the power block 422 to move towards the punching hole of the lower die 4, the power block 422 pushes the bottom ring 441 to move upwards, the bottom ring 441 moving upwards extrudes the flexible bag 451, the gas in the flexible bag 451 is extruded, the air pressure is increased, the gas in the flexible bag 451 enters the gas tank 453 through the one-way valve I454, when the air pressure in the gas tank 453 reaches the pressure relief pressure of the pressure relief valve on the vent pipe 455, the gas in the gas tank 453 is discharged through the vent pipe 455 and the pressure relief valve on the vent pipe 455, and is blown to the lower end face of the upper die 5, the waste dust adhered to the lower end face of the upper die 5 is cleaned, the waste dust adhered to the lower end face of the upper die 5 is prevented from causing the scratch on the subsequent punching face, the flow of the gas in the punching hole of the lower die 4 is accelerated, and the punching positions of the lower die 4 and the upper die 5 are cooled;
and, when the bottom ring 441 and the top ring 443 just move upwards, the top ring 443 will close the air outlet of the pressure release valve on the vent pipe 455, so that the air in the air tank 453 gradually rises until the pressure reaches the maximum, and in the resetting process of the upper die 5, the bottom ring 441 and the top ring 443 are reset under the action of the elastic force of the supporting spring 452, at this time, the top ring 443 does not block the air outlet of the pressure release valve on the vent pipe 455 any more, so that the air with larger air pressure in the air tank 453 is discharged from the pressure release valve on the vent pipe 455, the flow speed of the air is enhanced, and the cleaning effect of the air flow on the lower end surface of the upper die 5 is further enhanced.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511203517.5A CN120696289B (en) | 2025-08-27 | 2025-08-27 | A stamping device for door lock processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511203517.5A CN120696289B (en) | 2025-08-27 | 2025-08-27 | A stamping device for door lock processing |
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| CN120696289A true CN120696289A (en) | 2025-09-26 |
| CN120696289B CN120696289B (en) | 2025-11-07 |
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| CN202511203517.5A Active CN120696289B (en) | 2025-08-27 | 2025-08-27 | A stamping device for door lock processing |
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| CN214919554U (en) * | 2021-03-26 | 2021-11-30 | 宁海天辉机械有限公司 | L-shaped plate stamping die |
| CN113042601A (en) * | 2021-04-05 | 2021-06-29 | 方霞 | Numerical control punching machine and punching method thereof |
| CN217990737U (en) * | 2022-05-27 | 2022-12-09 | 深圳市科路兴科技有限公司 | Automatic blanking device for stamping |
| CN218425111U (en) * | 2022-10-20 | 2023-02-03 | 鞍山发蓝股份公司 | Stamping die |
| CN117583450A (en) * | 2023-12-25 | 2024-02-23 | 江西政安消防有限公司 | Stamping die for protective door lock pore plate |
| CN222370196U (en) * | 2024-04-19 | 2025-01-21 | 重庆新通达科技有限公司 | Waste removal device for stamping machine tool |
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