CN220049673U

CN220049673U - Stamping die

Info

Publication number: CN220049673U
Application number: CN202222992213.XU
Authority: CN
Inventors: 盛忠岐; 刘玉权; 罗怡; 周宁; 吴严新
Original assignee: Ningbo Hongnuo Intelligent Equipment Co ltd
Current assignee: Ningbo Hongnuo Intelligent Equipment Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-11-21
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to the technical field of dies, and discloses a stamping die for finishing punching and trimming of a workpiece, which comprises the following components: the upper die is arranged above the lower die in a lifting manner, and a processing station is arranged between the lower die and the upper die; the punching assembly is arranged on the lower die and positioned in the middle of the processing station, and comprises a slidable male die, and a punch for punching is arranged on the male die; the trimming assembly is arranged on one side of the punching assembly and positioned at the end part of the processing station, and comprises a base arranged on the lower die and a cutting block used for trimming, wherein the cutting block is arranged on the base in a lifting manner. The utility model has the advantages that the punching and trimming processing can be simultaneously carried out on the workpiece through the punch of the punching assembly and the dicing of the trimming assembly, the repeated processing is not needed, the production efficiency can be improved, the error accumulation can be reduced, and the processing precision can be improved.

Description

Stamping die

Technical Field

The utility model relates to the technical field of dies, in particular to a stamping die.

Background

During mechanical processing, punching and trimming the workpiece are required; at present, the workpiece is usually processed by multiple times of processing, such as punching, trimming and the like, and is finished in a step-by-step manner, the workpiece is required to be transferred to a plurality of different punching dies for processing, the time consumption is long, the working efficiency is low, and the workpiece is required to be repositioned during punching, so that the processing errors are accumulated for multiple times, and the processing precision of the workpiece is lower.

Disclosure of Invention

The present utility model has been made in view of the foregoing problems, and an object of the present utility model is to provide a press die capable of simultaneously completing punching and trimming of a workpiece, improving productivity, reducing error accumulation, and improving machining accuracy.

In order to achieve the above object, the present utility model provides a stamping die for completing punching and trimming processing of a workpiece, comprising:

the upper die is arranged above the lower die in a lifting manner, and a processing station is arranged between the lower die and the upper die;

the punching assembly is arranged on the lower die and positioned in the middle of the processing position, and comprises a slidable male die, and a punch for punching is arranged on the male die;

the trimming assembly is arranged on one side of the punching assembly and positioned at the end part of the processing position, and comprises a base arranged on the lower die and a cutting block used for trimming, wherein the cutting block is arranged on the base in a lifting manner.

According to the stamping die, the punching assembly further comprises a sliding seat and a female die which is arranged at intervals with the male die, the sliding seat is arranged on the lower die, the female die is slidably arranged on the sliding seat, a groove is formed in the female die, and the punch can be inserted into the groove.

According to the stamping die, the upper die is provided with the first driving plate and the second driving plate, the male die is provided with the first inclined plane, the female die is provided with the second inclined plane, the first driving plate can be abutted to the first inclined plane, and the second driving plate can be abutted to the second inclined plane.

According to the stamping die, the partition plate is arranged between the male die and the female die, the first reset spring is arranged between the male die and the partition plate, and the second reset spring is arranged between the female die and the partition plate.

According to the stamping die, two trimming assemblies are arranged, and the two trimming assemblies are respectively arranged on two sides of the punching assembly and are positioned at two ends of the processing position.

According to the stamping die, the base is provided with the through hole, the cutting block is arranged in the through hole in a lifting manner, and a third reset spring is arranged between the cutting block and the lower die.

According to the stamping die, the cut piece is provided with a punching part, and the workpiece is provided with a flanging; the punching part can be inserted into the through hole and is attached to the side wall of the through hole so as to cut off part of the flanging of the workpiece.

According to the stamping die, the trimming assembly further comprises a delay block which can be abutted with the upper die, a fourth reset spring is arranged between the delay block and the cutting block, and the delay block can be abutted with the upper die.

According to the stamping die, the base is provided with the first positioning block, the lower die is provided with the first clamping piece, and the first clamping piece and the first positioning block can respectively prop against two sides of the workpiece.

According to the stamping die, the lower die is further provided with the second clamping piece and the second positioning block, and the second clamping piece and the second positioning block can respectively abut against two ends of the workpiece.

The utility model has the following beneficial effects:

the punching head of the punching assembly and the cutting block of the cutting assembly can simultaneously punch and cut the workpiece, multiple times of machining are not needed, the production efficiency can be improved, error accumulation can be reduced, and the machining precision is improved; the first driving plate which can be abutted against the first inclined surface and the second driving plate which can be abutted against the second inclined surface are arranged on the upper die, so that the female die and the male die can be driven to slide when the upper die descends, and the punching work is completed; a first reset spring is arranged between the male die and the partition plate, a second reset spring is arranged between the female die and the partition plate, the first reset spring can drive the male die to reset automatically, and the second reset spring can drive the female die to reset automatically, so that the stamping die can be punched next time.

Drawings

Fig. 1 is a schematic view of a structure of a press die of the present utility model when the die is opened;

fig. 2 is a schematic view of the structure of the press die of the present utility model when the press die is closed;

FIG. 3 is a schematic view of the structure of the upper die of the present utility model;

FIG. 4 is a schematic illustration of the connection of the lower die, punch assembly and trim assembly of the present utility model;

FIG. 5 is a schematic view of the structure of the punch assembly of the present utility model;

FIG. 6 is another schematic view of FIG. 5 from another perspective;

FIG. 7 is a schematic view of the structure of the trimming assembly of the present utility model;

fig. 8 is another view of fig. 7.

In the figure: 100. an upper die; 110. a first driving plate; 120. a second driving plate; 200. a lower die; 210. a first clamping member; 220. a second clamping member; 230. a second positioning block; 300. a punching assembly; 310. a male die; 311. a punch; 312. a first inclined surface; 320. a slide; 330. a female die; 331. a groove; 332. a second inclined surface; 340. a partition plate; 341. a first return spring; 342. a second return spring; 400. a trimming assembly; 410. a base; 411. a through hole; 412. a third return spring; 413. a first positioning block; 420. cutting into blocks; 421. a punching part; 430. a delay block; 431. and a fourth return spring.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 8, a stamping die for performing punching and trimming of a workpiece includes an upper die 100, a lower die 200, a punching assembly 300, and a trimming assembly 400.

The upper die 100 is arranged above the lower die 200 in a lifting manner, and a processing station is arranged between the lower die 200 and the upper die 100; the punching assembly 300 is arranged on the lower die 200 and positioned in the middle of the processing position, and comprises a slidable male die 310, wherein a punch 311 for punching is arranged on the male die 310; the trimming assembly 400 is disposed at one side of the punching assembly 300 and located at an end of the processing position, and includes a base 410 disposed on the lower die 200 and a cutting block 420 for trimming, wherein the cutting block 420 is disposed on the base 410 in a liftable manner. Specifically, when the workpiece is processed, the punch 311 of the punching assembly 300 can perform punching processing, and the cut piece 420 of the trimming assembly 400 can perform trimming; the punching die can punch and cut edges of a workpiece through the punch 311 and the cutting block 420, multiple times of machining are not needed, production efficiency can be improved, errors can be reduced, and machining precision is improved.

The punching assembly 300 further comprises a sliding seat 320 and a concave die 330 spaced from the convex die 310, the sliding seat 320 is arranged on the lower die 200, the concave die 330 is slidably arranged on the sliding seat 320, a groove 331 is arranged on the concave die 330, and the punch 311 can be inserted into the groove 331. During machining, the middle part of the workpiece is arranged between the male die 310 and the female die 330, and the punch 311 penetrates through the workpiece to be inserted into the groove 331 by driving the male die 310 and the female die 330 to slide, so that the workpiece can be punched.

The upper die 100 is provided with a first driving plate 110 and a second driving plate 120, the male die 310 has a first inclined plane 312, the female die 330 has a second inclined plane 332, the first driving plate 110 can be abutted against the first inclined plane 312, and the second driving plate 120 can be abutted against the second inclined plane 332. By providing the first driving plate 110 capable of abutting against the first inclined surface 312 and the second driving plate 120 capable of abutting against the second inclined surface 332 on the upper die 100, the female die 330 and the male die 310 can be driven to slide when the upper die 100 is in the downward direction, and the punching operation is completed.

A partition 340 is disposed between the male die 310 and the female die 330, a first return spring 341 is disposed between the male die 310 and the partition 340, and a second return spring 342 is disposed between the female die 330 and the partition 340. When the processing is completed and the upper die 100 is up, the first reset spring 341 can drive the male die 310 to reset automatically, and the second reset spring 342 can drive the female die 330 to reset automatically, so that the punching die can perform the next punching processing.

The number of the trimming assemblies 400 is two, and the two trimming assemblies 400 are respectively arranged at two sides of the punching assembly 300 and positioned at two ends of the processing position. When machining a workpiece, the two trimming assemblies 400 can simultaneously perform trimming machining at both ends of the workpiece.

The base 410 is provided with a through hole 411, the punching block 420 is arranged in the through hole 411 in a liftable manner, and a third return spring 412 is arranged between the punching block 420 and the lower die 200. The third return spring 412 may drive the punch block 420 to return to facilitate the next trimming process of the stamping die.

The cut piece 420 has a die-cut portion 421, and the work piece has a burring; the punching portion 421 may be inserted into the through hole 411 to cut off a partial turn-up of the work. When the workpiece is placed in the processing position, the partial flanging of the workpiece is positioned below the punching part 421, and when the workpiece is cut, only the upper die 100 is required to descend, so that the punching block 420 is pushed to be inserted into the through hole 411, and the partial flanging of the workpiece can be cut off, so that the edge cutting processing of the workpiece is completed.

The trimming assembly 400 further includes a delay block 430 that can abut against the upper die 100, a fourth return spring 431 is disposed between the delay block 430 and the punching block 420, and the delay block 430 can abut against the upper die 100. The fourth return spring 431 can drive the delay block 430 to reset, and the delay block 430 can enable the cutter to reset later than the punch 311 to perform a delay action, so that deformation of a workpiece is reduced.

The base 410 is provided with a first positioning block 413, the lower die 200 is provided with a first clamping piece 210, and the first clamping piece 210 and the first positioning block 413 can respectively abut against two sides of the workpiece. The lower die 200 is further provided with a second clamping piece 220 and a second positioning block 230, and the second clamping piece 220 and the second positioning block 230 can respectively abut against two ends of the workpiece. Specifically, during processing, the first positioning block 413 and the second positioning block 230 can position the workpiece so as to ensure that the punching and trimming positions are accurate; the first positioning block 413 and the first clamping member 210 can clamp both sides of the workpiece, preventing the front and rear shift of the workpiece position, and the second positioning block 230 and the second clamping member 220 can clamp both ends of the workpiece, preventing the left and right shift of the workpiece position.

Preferably, the first clamping member 210 and the second clamping member 220 are each composed of a driving cylinder and a push block, and the push block is fixedly connected with a telescopic rod of the driving cylinder. During machining, the telescopic rod of the driving cylinder extends out and can drive the pushing block to abut against the workpiece so as to clamp the workpiece; after the machining is finished, the telescopic rod of the driving cylinder is retracted, and the push block can be driven to be separated from the workpiece so as to loosen the workpiece, so that a worker or a manipulator can conveniently take down the workpiece.

The scheme provides a stamping die for finishing punching and trimming of a workpiece, which comprises an upper die 100, a lower die 200, a punching assembly 300 and a punching assembly. The punching die can punch and cut edges of a workpiece through the punch 311 and the cutting block 420, multiple times of machining are not needed, production efficiency can be improved, errors can be reduced, and machining precision is improved.

The technical scheme of the utility model is explained in detail above with reference to the accompanying drawings, and the described embodiments are used for helping to understand the idea of the utility model. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. A stamping die for completing punching and trimming of a workpiece, comprising:

2. The stamping die of claim 1, wherein the punching assembly further comprises a slide and a die disposed in spaced relation to the punch, the slide is disposed on the lower die, the die is slidably disposed on the slide, the die is provided with a recess, and the punch is insertable into the recess.

3. The stamping die of claim 2, wherein the upper die is provided with a first drive plate and a second drive plate, the male die has a first inclined surface, the female die has a second inclined surface, the first drive plate is abutted against the first inclined surface, and the second drive plate is abutted against the second inclined surface.

4. The stamping die of claim 2, wherein a spacer is disposed between the male die and the female die, a first return spring is disposed between the male die and the spacer, and a second return spring is disposed between the female die and the spacer.

5. A stamping die as defined in claim 1, wherein there are two said trimming assemblies, and two said trimming assemblies are disposed on opposite sides of said punching assembly and at opposite ends of said processing station.

6. The stamping die of claim 1, wherein the base is provided with a through hole, the cut pieces are arranged in the through hole in a liftable manner, and a third reset spring is arranged between the cut pieces and the lower die.

7. The stamping die of claim 6, wherein the cut pieces have a die-cut portion and the workpiece has a flange; the punching part can be inserted into the through hole and is attached to the side wall of the through hole so as to cut off part of the flanging of the workpiece.

8. The stamping die of claim 6, wherein the trimming assembly further comprises a delay block abutting the upper die, a fourth return spring is disposed between the delay block and the cutting block, and the delay block abuts the upper die.

9. The stamping die of claim 1, wherein the base is provided with a first positioning block, the lower die is provided with a first clamping member, and the first clamping member and the first positioning block can respectively abut against two sides of the workpiece.

10. The stamping die of claim 1, wherein the lower die is further provided with a second clamping member and a second positioning block, and the second clamping member and the second positioning block can respectively abut against two ends of the workpiece.