阅读说明：本技术 一种棘爪拨片高速精密级进冲模方法及装置 (High-speed precise progressive stamping method and device for pawl plectrum ) 是由 王称 苏越 王栋 周京 王妍 于 2021-07-07 设计创作，主要内容包括：本发明涉及一种棘爪拨片高速精密级进冲模方法及装置,加工工序合理,能够保证棘爪拨片加工过程中不易变形,得到的棘爪拨片产品合格率高,高达99.9％；且加工精度高,能够符合使用需要,定位精度达到0.003mm,冲头与下模板的配合间隙达到0.005mm；加工效率高,自动化作业,无需人员值守,节省人力,每分钟可以加工合格零件300个。(The invention relates to a high-speed precise progressive die stamping method and a high-speed precise progressive die stamping device for a pawl plectrum, which have reasonable processing procedures, can ensure that the pawl plectrum is not easy to deform in the processing process, and the qualification rate of the obtained pawl plectrum product is as high as 99.9 percent; the processing precision is high, the use requirement can be met, the positioning precision reaches 0.003mm, and the fit clearance between the punch and the lower template reaches 0.005 mm; the machining efficiency is high, the automatic operation need not personnel on duty, uses manpower sparingly, 300 qualified parts of per minute can be processed.)

1. A high-speed precise progressive stamping method for a pawl plectrum is characterized by comprising the following steps: the die stamping method comprises the following steps:

1) clamping and feeding the raw material of the stamping die;

2) primary die stamping: stamping a main positioning hole of a pawl plectrum on a stamping die raw material;

3) secondary die stamping: removing the neutral gear allowance of the center of the pawl shifting piece on the punching die raw material in the step 2) by taking the main positioning hole of the pawl shifting piece as a reference;

4) three-stage die stamping: removing the neutral gear allowance at two sides of the pawl shifting piece on the punching die raw material in the step 3) by taking the main positioning hole of the pawl shifting piece as a reference;

5) four-stage die stamping: forming and stamping a pawl shifting sheet grapple on the stamping die raw material in the step 4) by taking the pawl shifting sheet main positioning hole as a reference;

6) a five-level die: forming and stamping the lower support leg of the pawl plectrum on the stamping die raw material obtained in the step 5) by taking the main positioning hole of the pawl plectrum as a reference;

7) six-stage die: separating the pawl shifting piece grapple from the punch die raw material in the step 6) by taking the pawl shifting piece main positioning hole as a reference;

8) seven-stage die: and 7) blanking the pawl plectrum on the stamping die raw material in the step 7) to finish the pawl plectrum stamping die.

2. A device for high speed precision progressive die of pawl pick as claimed in claim 1, wherein: the punching unit comprises an upper template, a lower template and a supporting column arranged between the upper template and the lower template, wherein the center positions of the upper template and the lower template are provided with a stamping raw material feeding groove, and the center positions of the upper template and the lower template, which correspond to the stamping raw material feeding groove, are sequentially provided with a pawl plectrum main positioning hole punch, a first material removing punch, a second material removing punch, a pawl plectrum grapple punch, a pawl plectrum lower support leg punch, a pawl plectrum grapple separation punch and a blanking punch from left to right.

3. The apparatus of claim 2, wherein the apparatus further comprises: the feeding unit is provided with stamping die raw material limiting blocks corresponding to two ends of the stamping die raw material.

4. The apparatus of claim 2, wherein the apparatus further comprises: and a stamping guide post is arranged between the upper template and the lower template.

Technical Field

The invention belongs to the technical field of die processing, relates to a die processing device of a pawl poking piece, and particularly relates to a high-speed precision progressive die processing method and device.

Background

The pawl plectrum as the watch movement is a precise component and plays an important role in the working precision of the watch. Therefore, the requirement on the processing precision of the pawl plectrum of the watch movement is very high.

In the prior art, the processing of the pawl plectrum is finished through a stamping die, and the processing sequence of the pawl plectrum is very important because the size of the pawl plectrum is smaller, the narrowest part length in the processing process is smaller than the thickness of the pawl plectrum, namely the length-diameter ratio is smaller, and the pawl plectrum is particularly easy to deform.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a high-speed precise progressive die stamping method and a device for a pawl plectrum, and the obtained pawl plectrum product has high qualification rate and high processing precision and can meet the use requirement; meanwhile, the processing efficiency is high, automatic operation is realized, the personnel on duty is not needed, and the labor is saved.

The technical problem to be solved by the invention is realized by the following technical scheme:

a high-speed precise progressive stamping method for a pawl plectrum is characterized by comprising the following steps: the die stamping method comprises the following steps:

1) clamping and feeding the raw material of the stamping die;

2) primary die stamping: stamping a main positioning hole of a pawl plectrum on a stamping die raw material;

3) secondary die stamping: removing the neutral gear allowance of the center of the pawl shifting piece on the punching die raw material in the step 2) by taking the main positioning hole of the pawl shifting piece as a reference;

4) three-stage die stamping: removing the neutral gear allowance at two sides of the pawl shifting piece on the punching die raw material in the step 3) by taking the main positioning hole of the pawl shifting piece as a reference;

5) four-stage die stamping: forming and stamping a pawl shifting sheet grapple on the stamping die raw material in the step 4) by taking the pawl shifting sheet main positioning hole as a reference;

6) a five-level die: forming and stamping the lower support leg of the pawl plectrum on the stamping die raw material obtained in the step 5) by taking the main positioning hole of the pawl plectrum as a reference;

7) six-stage die: separating the pawl shifting piece grapple from the punch die raw material in the step 6) by taking the pawl shifting piece main positioning hole as a reference;

8) seven-stage die: and 7) blanking the pawl plectrum on the stamping die raw material in the step 7) to finish the pawl plectrum stamping die.

The utility model provides a device of die is advanced to high-speed accurate level of pawl plectrum which characterized in that: the punching unit comprises an upper template, a lower template and a supporting column arranged between the upper template and the lower template, wherein the center positions of the upper template and the lower template are provided with a stamping raw material feeding groove, and the center positions of the upper template and the lower template, which correspond to the stamping raw material feeding groove, are sequentially provided with a pawl plectrum main positioning hole punch, a first material removing punch, a second material removing punch, a pawl plectrum grapple punch, a pawl plectrum lower support leg punch, a pawl plectrum grapple separation punch and a blanking punch from left to right.

The feeding unit is provided with stamping die raw material limiting blocks corresponding to two ends of the stamping die raw material.

And a stamping guide post is arranged between the upper template and the lower template.

The invention has the advantages and beneficial effects that:

1. the high-speed precise progressive die stamping method for the pawl plectrum has reasonable processing procedures, can ensure that the pawl plectrum is not easy to deform in the processing process, and has high qualification rate of the obtained pawl plectrum product as high as 99.9 percent; and the processing precision is high, can accord with the use needs, and positioning accuracy reaches 0.003mm, and the fit clearance of drift and lower bolster reaches 0.005 mm.

2. The high-speed precise progressive die device for the pawl plectrum has the advantages of high processing efficiency, automatic operation, no need of personnel on duty, labor saving and capability of processing 300 qualified parts per minute.

Drawings

FIG. 1 is a sequence diagram of the process of the pawl pick of the present invention;

FIG. 2 is a schematic diagram of an upper plate structure of the die apparatus according to the present invention;

fig. 3 is a schematic structural view of a lower template of the die device.

Description of the reference numerals

1-punching die raw materials, 2-pawl shifting piece main positioning hole, 3-pawl shifting piece central neutral gear, 4-pawl shifting piece side neutral gear, 5-pawl shifting piece grapple, 6-pawl shifting piece lower supporting leg, 7-pawl shifting piece, 8-pawl shifting piece main positioning hole punch, 9-first material removing punch, 10-second material removing punch, 11-pawl shifting piece grapple punch, 12-pawl shifting piece lower supporting leg punch, 13-pawl shifting piece grapple separating punch, 14-blanking punch, 15-punching die raw material limiting block and 16-punching guide column.

Detailed Description

The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.

The invention adopts the die device shown in figures 2 and 3 to carry out the die operation, and the die process is shown in figure 1.

A high-speed precise progressive stamping method for a pawl plectrum is characterized by comprising the following steps: the die stamping method comprises the following steps:

1) clamping and feeding the stamping die raw material 1;

2) primary die stamping: stamping a main positioning hole 2 of the pawl plectrum on the raw material of the stamping die;

3) secondary die stamping: removing the allowance of a neutral gear 3 in the center of the pawl shifting piece on the punching die raw material in the step 2) by taking the main positioning hole of the pawl shifting piece as a reference;

4) three-stage die stamping: removing the allowance of a neutral position 4 on the side surface of the pawl shifting piece on the punching die raw material in the step 3) by taking the main positioning hole of the pawl shifting piece as a reference;

5) four-stage die stamping: forming and stamping a pawl shifting piece grapple 5 on the stamping die raw material in the step 4) by taking the pawl shifting piece main positioning hole as a reference;

6) a five-level die: forming and stamping the lower support leg 6 of the pawl plectrum on the stamping die raw material obtained in the step 5) by taking the main positioning hole of the pawl plectrum as a reference;

7) six-stage die: separating the pawl shifting piece grapple from the punch die raw material in the step 6) by taking the pawl shifting piece main positioning hole as a reference;

8) seven-stage die: and (5) blanking the pawl plectrum on the stamping die raw material obtained in the step 7) to finish stamping the pawl plectrum 7.

The high-speed precise progressive die stamping method for the pawl plectrum has reasonable processing procedures, can ensure that the pawl plectrum is not easy to deform in the processing process, and has high qualification rate of the obtained pawl plectrum product as high as 99.9 percent; and the processing precision is high, can accord with the use needs, and positioning accuracy reaches 0.003mm, and the fit clearance of drift and lower bolster reaches 0.005 mm.

The utility model provides a device of die is advanced to high-speed accurate level of pawl plectrum which characterized in that: the punching die comprises a feeding unit, a punching unit and a blanking collecting unit, wherein the punching unit comprises an upper die plate, a lower die plate and a supporting column arranged between the upper die plate and the lower die plate, a punching die raw material feeding groove is formed in the center positions of the upper die plate and the lower die plate, and a pawl plectrum main positioning hole punch 8, a first material removing punch 9, a second material removing punch 10, a pawl plectrum grappling punch 11, a pawl plectrum lower supporting leg punch 12, a pawl plectrum grappling separation punch 13 and a blanking punch 14 are sequentially arranged at the center positions of the upper die plate and the lower die plate corresponding to the punching die raw material feeding groove from left to right.

The feeding unit is provided with die raw material limiting blocks 15 corresponding to two ends of the die raw materials, so that the die raw materials are prevented from being fed to deviate, and the machining precision is guaranteed.

And a stamping guide column 16 is arranged between the upper template and the lower template, so that the precise matching of the upper template and the lower template is ensured to complete the stamping operation.

The high-speed precise progressive die device for the pawl plectrum has the advantages of high processing efficiency, automatic operation, no need of personnel on duty, labor saving and capability of processing 300 qualified parts per minute.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.