CN113560417A

CN113560417A - Automatic withdrawing side punching die

Info

Publication number: CN113560417A
Application number: CN202010358963.4A
Authority: CN
Inventors: 郑璐; 黄晓杰
Original assignee: Weber Technology Shenzhen Co ltd
Current assignee: Weber Technology Shenzhen Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-10-29

Abstract

The embodiment of the invention provides an automatic withdrawing side punching die which comprises an upper die block, a driving punch swinging block, a lower die block and a sliding assembly, wherein the upper die block is arranged on the upper die block; the driving punch swinging block is hinged with the upper module and is provided with a movable space in advance; the driving punch swinging block is arranged opposite to the lower module, and the lower module is connected with the sliding assembly in a sliding manner; the driving punch swinging block is provided with a first punch, and the lower die block is provided with a second punch matched with the first punch. The upper die is driven downwards so as to drive the punch head swing block to move downwards, and then the lower die moves backwards transversely to carry out impact loading; the upper die continues to move downwards, and the lower die transversely moves forwards; and finally, the punch swinging block is driven to obliquely and downwards withdraw, so that staggered impact load is realized to carry out avoidance work. The oblique groove of middle side cut need not realize through the mould of making next station, and the product need not pass through secondary operation, and the production efficiency of product is high.

Description

Automatic withdrawing side punching die

Technical Field

The invention relates to the technical field of stamping dies, in particular to an automatic withdrawing side stamping die.

Background

The stamping die is a special technological equipment for processing metal or nonmetal into parts or semi-finished products in cold stamping processing, and is called as a cold stamping die. Stamping is a press working method which utilizes a die arranged on a press to apply pressure to a material at room temperature so as to separate or plastically deform the material to obtain a required part, and a plurality of workpieces are processed in the prior production process by a side stamping station. The mold, as one of the efficient production tools, is a very widely used and important process equipment in industrial production, and the types include a punching mold, a blanking mold, a bending mold, a drawing mold, and the like, wherein the punching mold is common in the mold and is used more frequently.

The invention discloses a primary-secondary double-slider side punching die, and relates to a die, in particular to a primary-secondary double-slider side punching die special for automobile accessories, which comprises an upper die, a pressure plate and a lower die, wherein the lower die comprises a lower die base, a primary slider mechanism and a secondary slider mechanism, the secondary slider mechanism is arranged on the primary slider mechanism and slides relative to the primary slider mechanism, the primary slider mechanism is arranged on the lower die base and can slide on the lower die base, a hole flanging punch is arranged on the secondary slider mechanism, a hole flanging punch is arranged at a corresponding position on the primary slider mechanism, the upper die comprises a driving block, the driving block firstly drives the primary slider mechanism to slide on the lower die base, and after the driving stroke of the primary slider mechanism is finished, the driving block then drives the secondary slider mechanism to slide in a direction opposite to the moving direction of the primary slider mechanism, so that the hole flanging punch enters the hole flanging punch to complete hole flanging.

At present, when three sidelines of generally-used stamping die all need the side to cut to have the slant groove, structure about current mould generally only designs, and the slant groove of middle side cut need be realized through making the mould at next station for the product need be through secondary operation, and the production efficiency of product is low, and secondary operation influences the precision of product, makes the low manufacturing cost height of percent of pass of product.

Disclosure of Invention

In view of the above, embodiments of the present invention have been developed to provide an automatic ejection side-punch die that overcomes, or at least partially solves, the above-mentioned problems.

The invention relates to an automatic withdrawing side punching die which comprises an upper die block, a driving punch swinging block, a lower die block and a sliding assembly, wherein the upper die block is arranged on the upper die block;

the driving punch swinging block is hinged with the upper module and is provided with a rotating space in advance;

the driving punch swinging block is arranged opposite to the lower module, and the lower module is connected with the sliding assembly in a sliding manner; the driving punch swinging block is provided with a first punch, and the lower die block is provided with a second punch matched with the first punch.

Preferably, the first punch comprises a first slope surface and a second slope surface, and the first slope surface and the second slope surface are symmetrical along the transverse central axis of the driving punch swing block.

Preferably, the lower module comprises a movable punch clamping block and a punching load punch; the tail end of the movable punch clamping block is fixedly connected with the punching load punch; and the second punch is arranged on the surface of the movable punch clamping block opposite to the driving punch swinging block.

Preferably, the second punch comprises a third slope surface and a fourth slope surface, the third slope surface is parallel to the second slope surface, and the fourth slope surface is parallel to the first slope surface.

Preferably, the sliding assembly comprises a limit stop, a lower spring and a sliding groove;

the lower spring and the limit stop are arranged in the sliding groove, and the limit stop is arranged on one side of the lower spring;

the movable punch clamping block is connected with the sliding groove through the limit stop block.

Preferably, the sliding groove is a concave groove; the spring and the limit stop are arranged in the concave groove.

Preferably, the end of the punching load punch is provided with an oblique groove for side cutting.

Preferably, the upper module comprises a driving fixed block, an upper spring and a reset ejector rod, wherein the upper spring is used for resetting the driving fixed block;

the drive fixing block is internally provided with the upper spring and the reset ejector rod, and the upper spring is connected with the reset ejector rod.

Preferably, a rotating shaft is arranged in the driving punch swinging block;

the driving punch swinging block is connected with the driving fixing block through the rotating shaft.

Preferably, the tail end of the driving punch swinging block is matched with the driving fixing block.

In order to solve the problems, the embodiment of the invention discloses an automatic withdrawing side punching die which comprises an upper die block, a driving punch swinging block, a lower die block and a sliding assembly, wherein the driving punch swinging block is arranged on the upper die block; the driving punch swinging block is movably connected below the upper module; the driving punch swinging block and the lower die block are provided with punches matched with each other; the lower module is movably arranged above the sliding assembly. The upper die is driven downwards so as to drive the punch head swing block to move downwards, and then the lower die moves backwards transversely to carry out impact loading; the upper die continues to move downwards, and the lower die transversely moves forwards; and finally, the punch swinging block is driven to obliquely and downwards withdraw, so that staggered impact load is realized to carry out avoidance work. The oblique groove of middle side cut need not realize through the mould of making next station, and the product need not pass through secondary operation, and the production efficiency of product is high.

Drawings

FIG. 1 is an exploded view of an automatic ejection side-punch die of the present invention;

fig. 2 is a schematic structural view of an automatic ejection side-punching die according to the present invention.

10. Driving the fixed block; 11. resetting the ejector rod; 12. an upper spring; 20. driving the punch swing block; 21. a rotating shaft; 30. a movable punch clamping block; 31. punching and loading the punch; 40. a chute; 41. a limit stop block; 42. and a lower spring.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1, an exploded view of an automatic withdrawing side-punching die of the present invention is shown, and specifically may include a driving fixing block 10, a reset ejector rod 11, an upper spring 12, a driving punch swinging block 20, a rotating shaft 21, a movable punch clamping block 30, a punching load punch 31, a sliding groove 40, a limit stop 41, a lower spring 42, and other components.

One of the core ideas of the embodiment of the invention is that the automatic withdrawing side punching die comprises an upper die block, a driving punch swinging block 20, a lower die block and a sliding assembly; a driving punch head swinging block 20 is movably connected below the upper module; the driving punch swinging block 20 and the lower module are provided with mutually matched slopes; the lower module is movably arranged above the sliding assembly. The upper die is driven downwards so as to drive the punch head swing block 20 to move downwards, and then the lower die moves backwards transversely to carry out punching; the upper die continues to move downwards, and the lower die transversely moves forwards; and finally, the punch swinging block 20 is driven to obliquely and downwards withdraw, so that staggered impact load is realized to carry out avoidance work. The oblique groove of middle side cut need not realize through the mould of making next station, and the product need not pass through secondary operation, and the production efficiency of product is high.

The die comprises an upper die block, a driving punch swinging block 20, a lower die block and a sliding assembly, wherein the upper die block and the driving punch swinging block 20 are connected through a rotating shaft 21, the lower part of the upper die block can be clamped inside the driving punch swinging block 20 and connected through the rotating shaft 21, and the driving punch swinging block 20 can rotate coaxially with the upper die block, so that when the upper die block descends to a certain position, the driving punch swinging block 20 can automatically reset.

The lower die block and the driving punch swing block 20 are matched with each other, when the driving punch swing block 20 moves downwards, the lower die block moves backwards under the action of force, the lower die block can slide back and forth on the sliding assembly, and the lower die block is installed on the sliding assembly. The staggered structure is designed in the middle, so that the upper mechanism and the lower mechanism can perform functional work to finish integral trimming or bending.

A driving punch swinging block 20 is movably connected below the upper module.

The driving punch oscillating block 20 and the lower module are provided with mutually matched inclined planes.

The lower module is movably arranged above the sliding assembly.

The upper die block moves downwards, then the driving punch swinging block 20 moves downwards, the driving punch swinging block 20 is provided with a first punch, and the lower die block is provided with a second punch matched with the first punch. The second slope surface of the driving punch swinging block 20 is in contact with the third slope surface of the lower die block, so that the movable punch clamping block 30 moves backwards on the sliding assembly, and the impact loading punch 31 moves backwards at the same time; go up the module and continue to move down, when the first domatic and the domatic handing-over department of second of last module surpassed the domatic third of activity drift grip block 30 and the domatic handing-over department of fourth, drive drift pendulum block 20 rotates along preset angle, has realized staggering the impact load and has dodged the work, and the dislocation time difference lateral thrust at the during operation makes work efficiency high to design the lateral thrust simultaneously all around.

Referring to fig. 2, a schematic structural diagram of an embodiment of an automatic withdrawing side punching die of the present invention is shown, and specifically, the present invention may include an upper die block, a driving punch swing block 20, a lower die block, and a sliding assembly, where the four assemblies are mutually matched, so that when all three side lines of the present invention require side cutting of an oblique groove, the middle side cutting of the oblique groove may also be implemented by manufacturing a die of a next station, thereby avoiding a need of secondary processing of a product, improving production efficiency of the product, improving precision of the product, and reducing manufacturing cost due to low qualification rate of the product.

The invention comprises an upper module, a driving punch swinging block 20, a lower module and a sliding assembly; the upper module is hinged above the driving punch swinging block 20, and the lower module is arranged below the first side; the lower part of the lower module is connected with a sliding assembly which can slide along a preset track; the first side of the driving punch swinging block 20 is provided with a first slope surface and a second slope surface, and the first slope surface and the second slope surface are symmetrical along the transverse central axis of the driving punch swinging block 20.

The second side of lower module is equipped with third domatic and fourth domatic, and the third domatic is on a parallel with the second domatic, and the fourth domatic is on a parallel with first domatic, and third domatic and fourth domatic is certain angle to along the axial symmetry in the movable drift grip block 30.

The upper module comprises a driving fixed block 10, an upper spring 12 and a reset ejector rod 11; an upper spring 12 and a reset mandril 11 are arranged inside the drive fixing block 10, the lower part of the upper spring 12 is connected with the reset mandril 11, and the reset mandril 11 and the spring enable the drive punch swinging block 20 to rotate along a preset angle and reset.

The end of the impact loading punch 31 is provided with an oblique groove for side cutting.

A rotating shaft 21 is arranged in the driving punch swinging block 20; the rotating shaft 21 is connected with the driving punch swinging block 20 and the driving fixing block 10, and the rotating shaft 21 is a metal round rod.

The driving punch swinging block 20 can rotate on the driving fixing block 10 along a preset angle, the driving punch swinging block 20 is staggered and automatically retreated due to the arrangement of the preset angle, and the preset angle is zero to ninety degrees.

The driving punch swing block 20 is provided with a first through hole into which the rotation shaft 21 is inserted, the first through hole being inserted into the rotation shaft 21, and the driving fixing block 10 is provided with a second through hole into which the rotation shaft 21 is inserted, the second through hole corresponding to the first through hole in position so that the rotation shaft 21 can be inserted and connected to the two components.

The lower module comprises a movable punch clamping block 30 and a punching load punch 31; the first side of the movable punch clamping block 30 is connected with a punch loading punch 31.

The sliding assembly comprises a limit stop 41, a lower spring 42 and a sliding groove 40; the inside spring 42 and the limit stop 41 that are equipped with of spout 40 down, the first side of spring 42 is equipped with limit stop 41, and the limit stop 41 purpose is spacing.

The slide groove 40 is a concave groove, and receives the lower spring 42 and the limit stopper 41, and allows the movable punch holding block 30 to slide in the slide groove 40.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.

The above is a detailed description of the automatic withdrawing side punching die provided by the present invention, and a specific example is applied in the present document to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. An automatic withdrawing side punching die is characterized by comprising an upper die block, a driving punch swinging block, a lower die block and a sliding assembly;

2. The automatic exit side-punch die of claim 1, wherein the first punch comprises a first ramp and a second ramp, the first ramp and the second ramp being symmetrical along the drive punch wobble block transverse central axis.

3. The automatic withdrawing side-punching die of claim 2, wherein said lower die block comprises a movable punch holding block and a punch loading punch;

the tail end of the movable punch clamping block is fixedly connected with the punching load punch;

and the second punch is arranged on the surface of the movable punch clamping block opposite to the driving punch swinging block.

4. The automatic exit side-punch die of claim 3, wherein the second punch comprises a third ramp surface parallel to the second ramp surface and a fourth ramp surface parallel to the first ramp surface.

5. The automatic exit sidepunch mold of claim 3 wherein the slide assembly comprises a positive stop, a lower spring and a slide slot;

6. The automatic exit sidepunch mold of claim 5, wherein the runner is a concave groove;

the spring and the limit stop are arranged in the concave groove.

7. The automatic withdrawing side-punching die of claim 6, wherein the end of the punching load punch is provided with an oblique groove for side cutting.

8. The automatic withdrawing side punching die according to claim 1, wherein the upper die block comprises a driving fixed block, an upper spring for resetting the driving fixed block and a resetting ejector rod;

9. The automatic withdrawing side-punching die of claim 8, wherein a rotating shaft is arranged in the driving punch swinging block;

10. The automatic withdrawing side-punching die as claimed in claim 8, wherein the end of the driving punch swinging block is matched with the driving fixed block.