CN217890082U

CN217890082U - Continuous stamping die of pin protection shell fragment

Info

Publication number: CN217890082U
Application number: CN202222215940.5U
Authority: CN
Inventors: 张芝阳
Original assignee: Shenzhen Ovid Machinery Electron Co ltd
Current assignee: Shenzhen Ovid Machinery Electron Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-25
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a continuous stamping die of a pin protection elastic sheet, which comprises an upper die stamping component and a lower die stamping component, wherein the upper die stamping component is connected with the lower die stamping component; the material belt is placed in a stamping area of the lower die stamping assembly and positioned, and when the upper die stamping assembly is aligned with the lower die assembly and pressed downwards, the upper die stamping assembly performs stamping operations such as punching, appearance trimming, bending, side pushing, flattening, cutting and the like on a processing area on the material belt; the lower die stamping assembly is used for shaping the machining area and providing cutting edges required by corresponding stamping operation, and after the pin protection elastic sheet is obtained through molding, the pin protection elastic sheet is blown, cleaned and unloaded. The functions of punching, appearance trimming, bending, side pushing, flattening and cutting are integrated on a set of continuous stamping die, the pin protection elastic sheet can be directly produced by repeatedly moving the material belt and stamping, a set of die is not required to be designed for each function to be independently processed as in the prior art, the processing efficiency is improved by forming a set of die, and the cost of a single-shot die is reduced.

Description

Continuous stamping die of pin protection shell fragment

Technical Field

The utility model relates to a machinery processing technology field, in particular to continuous stamping die of pin protection shell fragment.

Background

In the optical communication laser module, internal electronic components and circuit boards can be well protected after being packaged by glass, but gold-plated pins externally connected with other modules are easily damaged, so that a pin protection elastic sheet convenient to disassemble and assemble is required, and the pins cannot be scratched while products are protected. The pin protection elastic sheet is as shown in fig. 1, and the height H between the tilted part Z2 and the folded part Z3 is required to be 3.3mm, and the length L and the width W of the whole pin protection elastic sheet are required to be 17mm. The prior art adopts single-shot mould production, every kind of structure (for example arc portion Z1, perk portion Z2, lower folding portion Z3) corresponds a mould promptly, puts into another mould processing after having processed a shape again, and workman's troublesome poeration, work efficiency is low, if do not put in place in the mould, deformation or precision error can appear in the processing, and the relatively poor quality can not satisfy customer's requirement.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the utility model is to provide a continuous stamping die of pin protection shell fragment to solve current pin protection shell fragment and adopt single shot mold processing to lead to the lower problem of production efficiency.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a continuous stamping die for a pin protection elastic sheet is used for processing a material belt and comprises an upper die stamping assembly and a lower die stamping assembly, wherein the upper die stamping assembly is connected with the lower die stamping assembly;

the material belt is placed in a stamping area of the lower die stamping assembly and positioned, and when the upper die stamping assembly is aligned with the lower die assembly and pressed downwards, the upper die stamping assembly performs stamping operations such as punching, appearance trimming, bending, side pushing, flattening, cutting and the like on a processing area on the material belt; the lower die stamping assembly is used for shaping the machining area and providing cutting edges required by corresponding stamping operation, and after the pin protection elastic sheet is obtained through molding, the pin protection elastic sheet is blown, cleaned and unloaded.

In the continuous stamping die for the pin protection elastic sheet, the upper die stamping assembly comprises an upper die fixing pin, an upper die base, an upper die unloading spring, an upper die base plate, an upper die inner guide post, an upper die fixing plate, an upper die unloading back plate, an upper die unloading plate, an unloading fixing pin, a punch part, a forming part and a cleaning part;

the upper die base, the upper die base plate, the upper die fixing plate, the upper die discharging back plate and the upper die discharging plate are sequentially arranged from top to bottom; the upper die base plate and the upper die fixing plate of the upper die base are positioned through the upper die fixing pin; the upper die unloading spring is arranged in the upper die base plate and the upper die fixing plate, and the lower end of a guide post in the upper die sequentially penetrates through corresponding post through holes in the upper die fixing plate, the upper die unloading back plate and the upper die unloading plate and is inserted into the lower die stamping assembly; the upper die discharging back plate and the upper die discharging plate are positioned through a discharging fixing pin; the punch part and the forming part are both arranged on the upper die fixing plate and sequentially penetrate through the upper die discharging back plate and the upper die discharging plate, and the cleaning part is arranged on the upper die discharging plate;

the punch head part is used for punching a guide pin hole and the shape trimming of a pin protection elastic sheet on the material belt; the forming part is used for correspondingly bending, laterally pushing, flattening and dividing the material belt according to the shape requirement of the pin protection elastic sheet; the upper die cleaning component is used for blowing and cleaning the material belt and the lower die stamping assembly.

In the continuous stamping die for the pin protection elastic sheet, the punch part comprises an upper die cutting punch, an upper die material belt guide hole punch, an upper die appearance punch, an upper die side pushing punch and an upper die guide needle;

the upper die cutting punch, the upper die material belt guide hole punch, the upper die appearance punch and the upper die side pushing punch are all arranged on the upper die fixing plate and penetrate through the upper die discharging back plate and the upper die discharging plate; the upper die guide needle is arranged in the upper die stripper plate.

In the continuous stamping die for the pin protection elastic sheet, the forming parts comprise an upper die lower curve forming male part, an upper die lower W curve forming male part, an upper die lower L curve forming male part, an upper die correction forming male part, an upper die lower V curve forming cushion block, an upper die side pushing material block, an upper die lower V curve forming male part and an upper die lower L curve material block;

the upper die lower curve forming male die, the upper die lower W curve forming male die, the upper die lower L curve forming male die and the upper die correction forming male die are all arranged on the upper die fixing plate and penetrate through the upper die discharging back plate and the upper die discharging plate; the upper die lower V-shaped forming cushion block is arranged in the upper die discharging back plate and used for limiting the upper die lower V-shaped forming block; the upper die side pushing material block, the upper die lower V-shaped forming male die and the upper die lower L-shaped material block are all installed in the upper die stripper plate.

In the continuous stamping die for the pin protection elastic sheet, the upper die cleaning component comprises a scraping plate, an air blowing pin stop screw, an upper die air blowing pin spring, an air blowing pin external adapter and an upper die air blowing pin;

the scraping plate is arranged on the lower template and used for preventing the material belt from being stuck on the upper die; the blowing pin stop screw is arranged on the upper die discharging back plate and used for limiting the upper die blowing pin spring; the upper die air blowing pin spring is arranged in the upper die stripper plate and used for supporting the upper die air blowing pin; the outer rotating joint of the blowing pin is arranged on one side of the upper die stripper plate and is used for connecting external compressed gas; the upper die air blowing pin is arranged in the upper die stripper plate, and the upper die is cleaned by blowing air to blow away the iron pin.

In the continuous stamping die for the pin protection elastic sheet, the upper die stamping assembly further comprises an upper die stripper guide sleeve, an upper die limiting pin and an upper die stripper insert; the upper die stripper guide sleeve, the upper die limiting pin and the upper die stripper insert are all installed in the upper die stripper.

In the continuous stamping die for the pin protection elastic sheet, the lower die stamping component comprises a lower die plate, an outer die guide post, a material belt bracket, a lower die base plate, a lower die floating pin, a lower die seat, a lower die fixing pin, a lower die seat cushion block, an insert part, a spring part and a lower die cleaning part;

the lower die base plate is arranged between the lower die plate and the lower die base, and the lower die plate, the lower die base plate and the lower die base are installed and positioned through lower die fixing pins; the die outer guide pillar is arranged on the upper die base and the lower die base and used for pre-guiding the die; the material belt bracket is arranged at one side of the lower die base and is positioned at a material belt inlet of the lower die plate; the lower die floating pin is arranged in the lower die plate and the lower die base plate; the lower die holder is arranged on a lower workbench of the punch press, and the lower die holder cushion block is arranged at the bottom of the lower die holder; the insert block component is arranged in the lower die plate, the spring component is arranged in the lower die base plate and the lower die seat, and the lower die cleaning component is arranged in the lower die plate;

the insert block component is used for providing a pressing surface matched with the shape to shape the processing area and also providing a cutting edge required by corresponding stamping operation; the spring component is used for supporting a sliding block and a jacking pin in the insert block component; the lower die cleaning component is used for blowing and cleaning the upper die stamping assembly and the material belt.

In the continuous stamping die for the pin protection spring plate, the insert part comprises a lower die lower bending forming insert, a lower die side pushing forming insert limiting block, a lower die cutting insert, a lower die correction forming insert, a lower die first side pushing forming insert, a lower die second side pushing forming insert, a lower die lower V bending forming insert, a lower die lower L bending forming insert, a lower die lower W bending forming insert, a lower die punching shape and guide pin hole insert, a lower die ejector pin, a lower die ejector block and a lower die first side pushing forming insert cushion block;

each insert is installed in the lower die plate, the lower die ejector pin is installed in the lower L-shaped forming insert of the lower die, and the lower die ejector block is installed in the lower V-shaped forming insert of the lower die.

In the continuous stamping die for the pin protection elastic sheet, the spring component comprises a lower die ejection needle block spring, a lower die ejection needle block set screw, a lower die floating lift pin spring and a floating lift pin set screw;

the lower die ejector pin block spring and the lower die floating pin spring are arranged in the lower die base plate and the lower die seat; and the lower die ejector pin block set screw and the floating pin set screw are arranged in the lower die base.

In the continuous stamping die for the pin protection elastic sheet, the lower die cleaning component comprises a lower die air blowing pin and a lower die air blowing outer rotating joint;

the lower die air blowing outer rotating joint is arranged in a round hole in one side face of the lower die base plate, and the lower die air blowing pin is arranged in a corresponding air hole in the lower die plate and is in pneumatic connection with the lower die air blowing pin.

Compared with the prior art, the continuous stamping die for the pin protection elastic sheet provided by the utility model is used for processing the material belt, and comprises an upper die stamping assembly and a lower die stamping assembly, wherein the upper die stamping assembly is connected with the lower die stamping assembly; the material belt is placed in a stamping area of the lower die stamping assembly and positioned, and when the upper die stamping assembly is aligned with the lower die assembly and pressed downwards, the upper die stamping assembly performs stamping operations such as punching, appearance trimming, bending, side pushing, flattening, cutting and the like on a processing area on the material belt; the lower die stamping assembly is used for shaping the machining area and providing cutting edges required by corresponding stamping operation, and after the pin protection elastic sheet is obtained through molding, the pin protection elastic sheet is blown, cleaned and unloaded. The functions of punching, appearance trimming, bending, side pushing, flattening and cutting are integrated on a set of continuous stamping die, the pin protection elastic sheet can be directly produced by repeatedly moving the material belt and stamping, a set of die is not required to be designed for each function to be independently processed as in the prior art, the processing efficiency is improved by forming a set of die, and the cost of a single-shot die is reduced.

Drawings

Fig. 1 is a schematic diagram of a pin protection spring plate to be produced.

Fig. 2 is a schematic view of a continuous stamping die of a pin protection spring plate according to the present invention.

Fig. 3 is an exploded view of the upper die stamping assembly in the continuous stamping die provided by the present invention.

Fig. 4 is a schematic diagram of an upper die stamping assembly in a continuous stamping die according to the present invention.

Fig. 5 is an exploded view of the lower die stamping assembly in the continuous stamping die provided by the present invention.

Fig. 6 is a schematic view of a lower die stamping assembly in a continuous stamping die provided by the present invention.

Fig. 7 is a schematic diagram of a stamping result of each stamping step of the material belt provided by the present invention.

Detailed Description

The utility model provides a continuous stamping die of pin protection shell fragment. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It is to be understood that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity, operation, or direction from another entity, operation, or direction without necessarily requiring or implying any actual such relationship or order between such entities, operations, or directions. The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms. In the following description, various parameters and components are described for different configurations of embodiments, and these specific parameters and components are only by way of example and do not limit the embodiments of the present application.

Referring to fig. 2 (which is a top view, a front view and a bottom view in sequence from top to bottom) to fig. 6, the continuous stamping die provided in the embodiment of the present invention is mainly used for stamping the material belt 31 to obtain the product shown in fig. 1 (in this embodiment, the product is the pin protection spring plate). The continuous stamping die comprises an upper die stamping assembly and a lower die stamping assembly, and the upper die stamping assembly is connected with the lower die stamping assembly; the material belt 31 is placed in a punching area of the lower die punching assembly and positioned, and when the upper die punching assembly is aligned with the lower die assembly and pressed downwards, the upper die punching assembly performs punching operations such as punching, shape trimming, bending, side pushing, flattening, dividing and the like on a processing area on the material belt 31; the lower die stamping assembly is used for shaping the machining area and providing cutting edges required by corresponding stamping operation, and after the pin protection elastic sheet is obtained through molding, the pin protection elastic sheet is blown, cleaned and unloaded.

When the punching machine is specifically implemented, the upper die punching component is fixed on the upper workbench of the punching machine, the lower die punching component is fixed on the lower workbench of the punching machine, and the upper workbench drives the upper die punching component to press down the lower die component when pressing down, so that punching is realized. The embodiment integrates the functions of punching, appearance trimming, bending, side pushing, flattening and product segmentation on a set of continuous stamping die, and reduces the die cost and the production cost.

Referring to fig. 3 and 4, the upper die stamping assembly includes an upper die fixing pin 1, an upper die base 2, an upper die unloading spring 3, an upper die backing plate 5, an upper die inner guide post 6, an upper die fixing plate 8, an upper die unloading back plate 19, an upper die unloading plate 22, an unloading fixing pin 32, a punch part, a forming part and a cleaning part.

The upper die base 2, the upper die base plate 5, the upper die fixing plate 8, the upper die discharging back plate 19 and the upper die discharging plate 22 are sequentially arranged from top to bottom; the upper die base 2, the upper die base plate 5 and the upper die fixing plate 8 are positioned through the upper die fixing pin 1; the upper die discharging spring 3 is arranged in the upper die base plate 5 and the upper die fixing plate 8, and the lower end of the upper die inner guide column 6 sequentially penetrates through corresponding column through holes in the upper die fixing plate 8, the upper die discharging back plate 19 and the upper die discharging plate 22 and is spliced with the lower die stamping assembly; the upper die discharging back plate 19 and the upper die discharging plate 22 are positioned through a discharging fixing pin 32; the punch head part and the forming part are both arranged on the upper die fixing plate 8 and sequentially penetrate through the upper die discharging back plate 19 and the upper die discharging plate 22, and the cleaning part is arranged on the upper die discharging plate 22; the punch head component is used for punching a guide pin hole and the shape trimming of a pin protection elastic sheet on the material belt; the forming part is used for correspondingly bending, laterally pushing, flattening and dividing the material belt according to the shape requirement of the pin protection elastic sheet; the upper die cleaning component is used for blowing and cleaning the material belt and the lower die stamping assembly.

In this embodiment, the upper mold fixing pins 1 are 2, and are inserted into 2 pin through holes on the

upper mold base

2, 2 pin through holes on the upper

mold base plate

5, and 2 pin through holes on the upper mold fixing plate 8, so as to position these three seat plates during installation.

The upper die base 2 is equivalent to a mounting plate and can be used for fixing each plate in the upper die stamping assembly and fixing the whole upper die stamping assembly on an upper workbench of a punch press.

The upper die unloading springs 3 are 15, wherein the upper die unloading springs positioned on 4 (2 on one side) of the outer side are shorter than the middle 11 upper die unloading springs, the upper ends of the 4 upper die unloading springs are inserted into the spring blind holes corresponding to the bottom surface of the upper die base plate 2, and the lower ends of the 4 upper die unloading springs penetrate through the spring through holes in the upper die base plate 5 and are abutted to the top surface of the upper die fixing plate 8. The upper ends of the middle 11 upper die discharging springs are inserted into spring blind holes corresponding to the bottom surface of the upper die base 2, and the lower ends of the middle 11 upper die discharging springs sequentially penetrate through the spring through holes in the upper die base plate 5 and the spring through holes in the upper die fixing plate 8 and are abutted against the top surface of the upper die discharging back plate 19; used for providing elasticity for punching, forming and discharging of the die.

The upper die inner guide posts 6 are 4, the upper ends of the upper guide posts are abutted to the bottom surface of the upper die base plate 4, the lower ends of the upper guide posts sequentially penetrate through corresponding post through holes in the upper die fixing plate 8, corresponding post through holes in the upper die discharging back plate 19 and corresponding post through holes in the upper die discharging plate 22 and are inserted into the lower die stamping assembly, and the upper die stamping assembly and the lower die stamping assembly play a role in guiding when working.

The upper die fixing plate 8 is arranged between the upper die base plate 5 and the upper die discharging plate back plate 19, and accessories such as the upper die discharging spring 3, punches, forming male pins, guide posts and the like are all installed in the upper die fixing plate 8.

The upper die stripper plate 22 is installed below the back plate 19 of the upper die stripper plate and used for discharging during punching and pressing the product during forming to prevent the product and the material belt from moving during forming.

In this embodiment, the punch components include an upper die cutting punch 7, an upper die material strip guide hole punch 9, an upper die outline punch 10, an upper die side push punch 14, and an upper die guide needle 25;

the upper die cutting punch 7, the upper die material belt guide hole punch 9, the upper die outline punch 10 and the upper die side pushing punch 14 are all arranged on the upper die fixing plate 8 and penetrate through the upper die discharging back plate 19 and the upper die discharging plate 22; an upper die guide pin 25 is mounted in the upper die stripper plate 22.

The number of the upper die cutting punches 7 is 1, the upper ends of the upper die cutting punches abut against the bottom surface of the upper die base plate 5, the lower ends of the upper die cutting punches penetrate through a cutting through hole in the upper die fixing plate 8, a cutting through hole in the upper die discharging back plate 19 and a cutting through hole in the upper die discharging plate 22 in sequence to cut the material belt 26, and finally generated products are separated from the material belt and the overall dimension is guaranteed.

The number of the upper die material belt guide hole punches 9 is 2, the upper ends of the upper die material belt guide hole punches are abutted to the bottom surface of the upper die base plate 5, and the lower ends of the upper die material belt guide hole punches the material belt 31 by sequentially passing through a guide through hole in the upper die fixing plate 8, a guide through hole in the upper die discharging back plate 19 and a guide through hole in the upper die discharging plate 22, namely, a guide needle hole H1 shown in figure 7 is punched in the material belt 31.

The number of the upper die contour punch heads 10 is 1, the upper ends of the upper die contour punch heads are abutted to the bottom surface of the upper die base plate 5, and the lower ends of the upper die contour punch heads sequentially penetrate through contour through holes in the upper die fixing plate 8, contour through holes in the upper die discharging back plate 19 and contour through holes in the upper die discharging plate 22 to punch concave grooves H2 shown in fig. 7 in the material belt 31, so that 3 sides of a product are cut.

The number of the upper die side-pushing punches 14 is 1, the upper ends of the upper die side-pushing punches abut against the bottom surface of the upper die base plate 5, and the lower ends of the upper die side-pushing punches sequentially penetrate through a side-pushing through hole in the upper die fixing plate 8, a side-pushing through hole in the upper die discharging back plate 19 and a side-pushing through hole in the upper die discharging plate 22 and are used for pressing the lower die side-pushing forming slide block to slide downwards.

The number of the upper die guide needles 25 is 14, the upper ends of the upper die guide needles are abutted to the bottom surface of the upper die discharging back plate 19, the lower ends of the upper die guide needles are inserted into the guide through holes in the upper die discharging plate 22 and are used for being inserted into corresponding guide needle holes in the material belt during stamping and jumping, and the function of guiding the material belt 26 is achieved. The upper stripper plate back plate 19 serves to limit upward movement of the upper die guide pin 25 during operation.

In this embodiment, the forming parts include an upper die lower curve forming male 11, an upper die lower W curve forming male 12, an upper die lower L curve forming male 13, an upper die correction forming male 15, an upper die lower V curve forming cushion block 18, an upper die side pushing material block 27, an upper die lower V curve forming male 28 and an upper die lower L curve material block 29; the upper die lower curve forming male die 11, the upper die lower W curve forming male die 12, the upper die lower L curve forming male die 13 and the upper die correction forming male die 15 are all arranged on the upper die fixing plate 8 and penetrate through the upper die discharging back plate 19 and the upper die discharging plate 22; the upper die lower V-shaped forming cushion block 18 is arranged (embedded) in the upper die discharging back plate 19 and used for limiting the upper die lower V-shaped forming male block 28; the upper die side pushing material block 27, the upper die lower V-shaped forming male die 28 and the upper die lower L-shaped material block 29 are all arranged in the upper die discharging plate 22.

The upper die downward bending forming male die 11 is provided with one, the upper end of the male die downward bending forming male die 11 is abutted to the bottom surface of the upper die base plate 5, the lower end of the male die downward bending forming male die sequentially penetrates through a downward bending through hole in the upper die fixing plate 8, a downward bending through hole in the upper die discharging back plate 19 and a downward bending through hole in the upper die discharging plate 22 to perform upward V-bending on the upper side of a processing area, and the product is formed in the 3 rd step as shown in fig. 7 to obtain a tilting part Z2 and a pressing surface Z5 at the top of the pin protection elastic sheet as shown in fig. 1.

The upper die lower W curve forming male 12 is provided with one, the upper end of the upper die lower W curve forming male 12 is abutted against the bottom surface of the upper die base plate 5, the lower end of the upper die lower W curve forming male penetrates through a W curve through hole in the upper die fixing plate 8, a W curve through hole in the upper die discharging back plate 19 and a W curve through hole in the upper die discharging plate 22 in sequence to perform W curve bending on the lower side of a processing area, and as shown in the step 4 of forming of a product shown in fig. 7, the side arc part Z1, the bottom surface Z4 and the inclined surface Z6 of the pin protection elastic sheet shown in fig. 1 are obtained through pre-bending.

The upper die lower L-shaped forming male die 13 is provided with one upper die lower L-shaped forming male die, the upper end of the upper die lower L-shaped forming male die is abutted against the bottom surface of the upper die base plate 5, the lower end of the upper die lower L-shaped forming male die penetrates through an L-shaped through hole in the upper die fixing plate 8, an L-shaped through hole in the upper die discharging back plate 19 and an L-shaped through hole in the upper die discharging plate 22 in sequence to press the bottom surface Z4 on a raised inclined surface of the lower die lower L-shaped forming insert 45 to form a downward L-shaped bend, and the product is formed in the 5 th step as shown in figure 7.

The upper mould correction forming male die 15 is provided with one upper end which is abutted against the bottom surface of the upper mould base plate 5, and the lower end sequentially penetrates through the correction through hole on the upper mould fixing plate 8, the correction through hole on the upper mould discharging back plate 19 and the correction through hole on the upper mould discharging plate 22, and is used for correcting during the forming of the 8 th step shown in figure 7.

The number of the upper die side pushing material blocks 27 is 1, the upper ends of the upper die side pushing material blocks are abutted to the bottom surface of the upper die discharging back plate 19, the lower ends of the upper die side pushing material blocks penetrate through side pushing holes in the upper die discharging plate 22, the material belt is pushed during side pushing forming, and the material belt 31 is prevented from moving.

The number of the upper die lower V-curve forming male dies 28 is 1, the upper ends of the upper die lower V-curve forming male dies are abutted to the bottom surface of the upper die discharging back plate 19, the lower ends of the upper die lower V-curve forming male dies penetrate through the lower V through holes in the upper die discharging plate 22 to press the arc portions Z1 in the arc-shaped V-surface grooves of the lower die lower V-curve forming inserts 44, the arc portions Z1 are bent in a V-curve mode, and the product is formed in the step 6 as shown in fig. 7.

The number of the upper die lower L-shaped bent pressing blocks 29 is 1, the upper ends of the upper die lower L-shaped bent pressing blocks are abutted to the bottom surface of the upper die discharging back plate 19, the lower ends of the upper die lower L-shaped bent pressing blocks penetrate through L-shaped bent pressing holes in the upper die discharging plate 22, the material belt is pressed when the upper die lower L-shaped bent pressing blocks are laterally pushed and formed, and the material belt 31 is prevented from moving.

The upper die cleaning component comprises a scraping plate 16, a blowing pin stop screw 17, an upper die blowing pin spring 20, a blowing pin outer adapter 21 and an upper die blowing pin 24. The number of the scraping plates 16 is 2, and the scraping plates are installed on the lower template (specifically, the scraping plates 16 penetrate through the lower template 36, penetrate through corresponding holes on the scraping plates by using M6 screws, and are locked at corresponding holes on the lower die backing plate 49) and used for preventing the material belt from being stuck on the upper die; the blowing pin stop screw 17 is arranged on the upper die discharging back plate 19 and used for limiting the upper die blowing pin spring 20; an upper mold blowing pin spring 20 is installed in the upper mold stripper plate 22 for lifting an upper mold blowing pin 24; the number of the air blowing pin external adapters 21 is 1, the air blowing pin external adapters are installed on one side of an upper die discharging plate 22 and used for being connected with external compressed air (an electromagnetic valve is arranged outside to control input of the compressed air). The number of the upper die air blowing pins 24 is 1, the upper die air blowing pins are arranged in the upper die stripper plate 22 and are connected with the air blowing pin outer adapter 21; the outer adapter 21 of the blowing pin outputs compressed gas to the upper die blowing pin 24, the upper die blowing pin 24 blows the compressed gas to blow away the iron pin to clean the upper die, and the iron pin is prevented from being stuck on the die to crush the product.

The blowing pin stop screw 17 and the upper die blowing pin spring 20 are respectively provided with 1, the upper end of the blowing pin stop screw 17 is inserted into a stop blind hole of the upper die discharging back plate 19, the lower end of the blowing pin stop screw 17 is abutted with the upper end of the upper die blowing pin spring 20, the lower end of the upper die blowing pin spring 20 penetrates through a blowing through hole in the upper die discharging plate 22 and is abutted with the top surface of the upper die blowing pin 24, the lower end of the upper die blowing pin 24 penetrates through a blowing hole in the upper die discharging plate 22, and the upper die blowing pin 24 blows out compressed gas externally connected with the outer adapter 21 of the blowing pin to clean the material belt 31 in a blowing mode.

Preferably, go up mould punching assembly and still include high cover 4 of mould unloading, be equipped with 10, it installs in last mould fixed plate 8, specifically is: the bottom of the step surface at the upper end of the upper die unloading equal-height sleeve 5 is abutted against the upper surface of the upper die base plate 5, and the lower end of the upper die unloading equal-height sleeve 5 is inserted into a corresponding sleeve through hole on the upper die base plate 5, sequentially passes through the corresponding sleeve through hole on the upper die fixing plate 8 and the corresponding sleeve through hole on the upper die unloading back plate 19 and is inserted into a sleeve blind hole on the upper die unloading plate 22; the upper die base plate 5, the upper die fixing plate 8, the upper die discharging back plate 19 and the upper die discharging plate 22 can be installed and fixed. Because the lengths of the 10 upper die discharging equal-height sleeves 4 are kept consistent, the horizontal distance between the upper die discharging plate 22 and the upper die fixing plate 8 can be controlled, and the parallel discharging of the upper die discharging plate 22 is ensured.

Preferably, the upper die stamping assembly further comprises an upper die stripper guide sleeve 23, an upper die limit pin 26 and an upper die stripper insert 30; the upper die stripper guide sleeve 23, the upper die limit pin 26 and the upper die stripper insert 30 are all arranged in the upper die stripper 25.

The number of the upper die discharging plate guide sleeves 23 is 4, the upper ends of the upper die discharging plate guide sleeves are abutted to the bottom surface of the upper die discharging back plate 19, and the lower ends of the upper die discharging plate guide sleeves are inserted into guide sleeve holes in the upper die discharging plate 22. If the guide hole is directly machined in the template, the guide hole clearance is increased due to long-time friction when the guide hole is produced for a long time by the die, so that the precision of the die is reduced or the die is scrapped. After the guide sleeve is adopted, only the guide sleeve needs to be replaced, the problem that the guide precision of the die is poor due to the fact that the gap between the guide sleeve is too large due to friction in the stamping process can be solved, operation of replacing the guide sleeve 23 of the upper die stripper plate is convenient, the whole upper die stripper plate 22 cannot be scrapped, and die maintenance cost is reduced. The upper stripper plate back 19 limits the upward movement of the upper stripper guide 23 during operation.

The upper die limiting pins 26 are 2 in number, the upper ends of the upper die limiting pins are abutted to the bottom surface of the upper die discharging back plate 20, the lower ends of the upper die limiting pins are inserted into limiting blind holes in the upper die discharging plate 22, and the continuous stamping die is limited when the continuous stamping die is downwards in the Z direction (vertical direction) through the height of the upper die limiting pins 26, so that the pin protection elastic sheets are prevented from being crushed.

The number of the upper die stripper inserts 30 is 1, and the inserts are used for improving the strength of the upper die stripper 22, so that the stamping force is applied to the inserts, and the upper die stripper 22 is not easy to crack.

As shown in fig. 5 and 6, the lower die stamping assembly includes a lower die plate 36, an outer die guide post 40, a tape bracket 48, a lower die pad 49, a lower die lift pin 53, a lower die base 54, a lower die fixing pin 55, a lower die base pad 60, an insert component, a spring component, and a lower die cleaning component.

The lower die base plate 49 is arranged between the lower die plate 36 and the lower die base 54, and the lower die plate 36, the lower die base plate 49 and the lower die base 54 are installed and positioned through lower die fixing pins 55 (2 are arranged); the outer die guide post 40 is mounted on the upper die base 2 and the lower die base 54 and used for pre-guiding the die. The tape brackets 48 are provided with 1, and are installed (screwed and fixed) on one side of the lower die base 54 and positioned at the tape inlet of the lower die plate 36. The lower die floating pin 53 is arranged in the lower die plate 36 and the lower die backing plate 49; the lower die holder 54 is used as a base of the whole die and is arranged on a lower workbench of a punch press, and the lower die holder cushion blocks 60 (3) are arranged at the bottom of the lower die holder 54 and are used for increasing the height of the whole die so as to facilitate the falling of waste materials in the die; the insert component is arranged in the lower template 36, the spring component is arranged in the lower die backing plate 49 and the lower die base 54, and the lower die cleaning component is arranged in the lower template 36.

The insert block component is used for providing a pressing surface matched with the shape to shape the processing area and also providing a cutting edge required by corresponding stamping operation. The spring part is used for supporting the sliding block and the ejection pin in the insert block part. The lower die cleaning component is used for blowing and cleaning the upper die stamping assembly and the material belt.

The lower template 36 is mounted on the lower die backing plate 49 and used for mounting accessories such as a floating pin, a punching insert, a forming insert and a lower die guide sleeve.

2 outer guide columns 40 of the die are used for pre-guiding when the upper die stamping assembly and the lower die stamping assembly are installed, so that deviation is avoided; the upper end of the outer guide post 40 of the die is tightly matched and inserted into a corresponding hole of the upper die holder 2 for fixing; the lower end of the lower die base 54 is inserted into the corresponding guiding hole of the lower die base 54, and the foot 61 of the outer die guiding post 40 is inserted into the lower end of the outer die guiding post 40 from the bottom of the lower die base 54 upwards for fastening.

The material belt bracket 48 is provided with one material belt bracket for supporting the material belt 31; the material belt bracket 48 is provided with a groove, the width of the groove is matched with the width of the material belt, and the material belt is pre-limited through two groove walls of the groove.

The lower die backing plate 49 is used for protecting each punching insert and forming insert installed in the lower die plate 36, and increasing the compression space of the spring part.

The number of the lower die buoyancy lifting pins 53 is 16, the lower die buoyancy lifting pins are divided into two rows, the lower ends of the lower die buoyancy lifting pins 53 are abutted to the top surface of the lower die base 54, the upper ends of the lower die buoyancy lifting pins 53 sequentially extend out of corresponding buoyancy lifting through holes in the lower die base plate 49 and the buoyancy lifting through holes in the lower die plate 36, and the material belt 31 can be supported, so that feeding is facilitated.

The insert part comprises a lower die lower bending forming insert 33, a lower die side pushing forming insert limiting block 34, a lower die cutting insert 38, a lower die correction forming insert 41, a lower die first side pushing forming insert 42, a lower die second side pushing forming insert 43, a lower die lower V bending forming insert 44, a lower die lower L bending forming insert 45, a lower die lower W bending forming insert 46, a lower die punching shape and guide pin hole insert 47, a lower die ejector pin 50, a lower die ejector block 51 and a lower die first side pushing forming insert cushion block 52; these inserts are mounted in the lower platen 36; 2 lower die ejector pins 50 are respectively arranged in the lower die lower L-curve forming insert 45 and the lower die lower W-curve forming insert 46 and used for ejecting a product from the lower die lower L-curve forming insert 45 after the 5 th step of forming; and a lower die ejector block 51 is arranged in the lower die V-shaped forming insert 44 and is used for ejecting the product out of the lower die V-shaped forming insert 44 after the step 6.

The number of the lower die downward bending forming inserts 33 is 1, the lower die downward bending forming inserts are inserted into corresponding downward bending forming holes in the lower die plate 36, and the lower ends of the lower die downward bending forming inserts are abutted to the top surface of the lower die backing plate 49 for the step 3 forming of the product.

The lower die side-push formed insert limiting blocks 34 are 2, are inserted into corresponding forming limiting holes in the lower template 36, and are used for limiting the lower die first side-push formed insert 42. The lower mold first side push molding insert 42 is a chute of the lower mold second side push molding insert 43, and the lower mold second side push molding insert 43 is used for side push molding of a product.

The lower die cutting inserts 38 are provided in number 1, which are inserted into corresponding cutting inserts holes in the lower die plate 36, for providing a lower die cutting edge for product and tape separation, and also for improving die strength.

The number of the lower mold correction molding inserts 41 is 1, and the lower mold correction molding inserts are inserted into corresponding correction insert holes in the lower template 36 and used for correcting the molded product.

The lower die lower V-curve forming inserts 44 are provided with 1, which are inserted into corresponding lower V-curve insert holes on the lower template 36, and used in cooperation with the upper die lower V-curve forming male 28 for the 6 th step of forming as shown in fig. 7.

The number of the lower die lower L-curve forming inserts 45 is 1, which are inserted into corresponding lower L-curve insert holes on the lower template 36, and are used together with the upper die lower L-curve pressing block 29 for forming in the step 5 shown in fig. 7.

The lower die lower W-curve forming inserts 46 are provided with 1, which are inserted into corresponding lower W-curve insert holes on the lower template 36, and used in cooperation with the upper die lower W-curve forming male 12 for the forming of the 4 th step shown in fig. 7.

And 1 lower die punching profile and guide pin hole insert 47 is inserted into the corresponding punching guide insert hole on the lower template 36 and used for punching the cutting edge with the guide pin hole and the profile of the lower die.

It should be understood that after a product is formed, a corresponding avoidance position needs to be milled at each step of a die, the avoidance positions needing to be milled at the position are more, so that the strength of the die is very weak, and if the die is not designed into an insert, the die is easy to burst; and the insert is easier to replace and more convenient to maintain.

The spring components comprise a lower die material ejection needle block spring 56, a lower die material ejection needle block set screw 57, a lower die floating lift pin spring 58 and a floating lift pin set screw 59; a lower die material ejecting needle block spring 56 and a lower die floating pin spring 58 are arranged in the lower die backing plate 49 and the lower die base 54; a lower die ejector pin block set screw 57 and a floating pin set screw 59 are installed in the lower die base 54. Lower mould liftout needle piece spring 56 is used for holding up lower mould liftout needle 50 and lower mould liftout piece 51, and lower mould liftout needle piece stopping screw 57 is used for spacing lower mould liftout needle piece spring 56.

Wherein, the lower die material ejecting needle block spring 56 and the lower die material ejecting needle block set screw 57 are matched and are respectively provided with 3; the upper end of each lower die ejector pin block spring 56 penetrates through a corresponding ejector pin block spring through hole in the upper die base plate 49 and is abutted against the bottoms of the lower die ejector pins 50 and the lower die ejector blocks 51; the lower end of the lower die ejector pin block spring 56 is abutted with the upper end of the matched lower die ejector pin block stop screw 57, and the lower end of each lower die ejector pin block stop screw 57 is inserted into a corresponding stop blind hole in the lower die base 54.

The lower die floating pin spring 58 and the floating pin spring set screw 59 are matched, are respectively provided with 16, are arranged in the lower die base plate and the lower die seat and are used for supporting the lower die floating pin; the upper end of each lower die lift pin spring 58 passes through a corresponding lift pin spring through hole on the upper die backing plate 49 and abuts against the bottom of the corresponding lower die lift pin 53; the lower end of the lower die floating pin spring 58 is abutted with the upper end of the matched floating pin spring stop screw 59, and the lower end of each floating pin spring stop screw 59 is inserted into the corresponding floating stop blind hole on the lower die seat 54.

The lower die cleaning component comprises a lower die air blowing pin 35 and a lower die air blowing outer rotating joint 39; the lower mold blowing outer rotating joint 39 is installed in a circular hole in one side face of the lower mold base plate 49, and the lower mold blowing pin 35 is installed in a corresponding air hole in the lower mold plate 36 and is in pneumatic connection with the lower mold blowing pin 35. The lower die air blowing pin 35 blows out compressed air externally connected with the lower die air blowing external rotating joint 39, so that air blowing cleaning can be performed on an iron pin in the lower die, and a cut product can be blown out of the die.

The lower die first side push-forming insert block 52 is mounted within the lower die backing plate 49. Because the lower die backing plate 49 is made of 45# steel, the surface of the die plate is easily scratched in the stamping process, the bending size is influenced, the lower die first side push-forming insert pad 52 is made of quenched Rockwell steel, the surface is hard and the surface is not easily scratched, and the strength of the lower die first side push-forming insert 42 can be increased by pushing the lower die first side push-forming insert pad 52.

It should be understood that the specific shapes of the various punches, forming pins and inserts are determined by the shape and structural requirements of the pin protection spring plate; for example, if the values of the length L and the width W are modified, the length and the width of the upper punch outline punch 10 are modified correspondingly, and the dimensions of the lower punch outline used in cooperation with the upper punch outline punch 10 and the cutting edge of the guide pin hole insert 47 are adjusted correspondingly; it is not limited herein.

Referring to fig. 3 to 7, the punch press is equipped with an automatic feeder, after the continuous stamping die is mounted on the punch press, the automatic feeder is mounted on the lower table of the punch press in alignment with the two rows of lower die lift pins 53 in the lower die stamping assembly, and the feeding length of the automatic feeder is set in the feeder according to the jumping data of the die design. The stamping process of the continuous stamping die of the pin protection elastic sheet comprises the following steps:

1, punching a guide pin hole; the strip 31 is fed from the strip carrier 48 and placed on the lower die plate 36, and after the punch press is started, 2 upper die strip guide hole punches 9 are moved downward, penetrating the strip 31 and then inserted into the corresponding cutting edges of the lower die punch profile and guide pin hole inserts 47, so that 2 guide pin holes H1 shown in fig. 7 can be punched in the first processing area of the strip 31. The auto feeder then transfers the tape 26 into the mold according to the set skip parameter.

Step 2, cutting edges of the appearance; in the first processing zone, the upper die contour punch 10 punches a concave groove H2 as shown in fig. 7 to cut 3 sides of the product (in this case, one side is integral with the web) after the upper die contour punch 10 penetrates down through the web 31 and the lower die contour and guides the corresponding cutting edge in the pin hole insert 47.

Meanwhile, the 1 st operation is performed on the second processing zone.

Step 3, bending and forming downwards and downwards; in the first processing area, the upper mold downward-bending forming core 11 presses the side edge a (i.e., the cut short edge) of the product downward against an inclined surface of the lower mold downward-bending forming insert 33, and performs pre-bending to obtain a tilted portion Z2 and a pressing surface Z5 shown in fig. 1, where the height of tilting of the tilted portion Z2 is determined by the inclination of the inclined surface of the lower mold downward-bending forming insert 33. The upper die lower curve forming male die 11 is inserted into a groove on the side surface of the upper die stripper plate insert 30 to limit when downwards, and stamping force can be applied to the upper die stripper plate insert 30, so that the strength of the upper die stripper plate 22 is improved.

Meanwhile, the 2 nd operation is performed in the second processing zone, and the 1 st operation is performed in the third processing zone.

Step 4, bending and forming downwards and downwards in a W-shaped curve; in the first processing area, the bottom of the upper die lower W-curve forming male 12 (the inclined plane has an arc-shaped tip) presses the middle of the product downward into the V-shaped groove of the lower die lower W-curve forming insert 46, resulting in an arc Z1, a bottom Z4 and an inclined plane Z6. At this time, the opening and closing angle of the arc part Z1 is 90 degrees as shown in FIG. 7; the pressing surface Z5 and the inclined surface Z6 are on a horizontal plane (not yet bent).

Meanwhile, the 3 rd operation is performed in the second processing zone, the 2 nd operation is performed in the third processing zone, and the 1 st operation is performed in the fourth processing zone.

Step 5, bending and forming downward and lower L curves; on the first processing area, the upper die lower L-shaped curved material pressing block 29 presses the other side edge B of the product downwards onto the convex top surface of the lower die lower L-shaped curved molding insert 45 to obtain a lower folding part Z3 of the product; the upper lower L-curve forming male 13 presses the bottom surface Z4 against the raised slope of the lower L-curve forming insert 45 to form a downward L-curve (as shown in the product structure diagram below step 5). A lower die ejector pin 50 is inserted into a corresponding ejector hole in the lower die L-curve forming insert 45 from bottom to top and extends out, and ejects a product after forming.

Meanwhile, the 4 th operation is performed in the second processing zone, the 3 rd operation is performed in the third processing zone, the 2 nd operation is performed in the fourth processing zone, and the 1 st operation is performed in the fifth processing zone.

Step 6, bending and forming downward and downward V-shaped curves; in the first machining area, the upper die lower V-curve forming male 28 presses the arc portion Z1 downward into the arc-shaped V-surface groove of the lower die lower V-curve forming insert 44, and bends the arc portion Z1 in a V-curve manner, as shown in the product structure diagram below step 6, the inner angle of the arc portion Z1 is reduced from the previous angle close to 90 degrees. After molding, the lower mold ejector block 51 is inserted into a corresponding ejector through hole in the lower mold V-shaped mold insert 44 from bottom to top and extends out, so that the product can be ejected.

Meanwhile, the 5 th operation is performed in the second processing zone, the 4 th operation is performed in the third processing zone, the 3 rd operation is performed in the fourth processing zone, the 2 nd operation is performed in the fifth processing zone, and the 1 st operation is performed in the sixth processing zone.

7, laterally pushing, flattening, bending and forming; in the first machining area, the upper die side pushing and pressing block 27 presses the downward folding part Z3, the lower die first side pushing and forming insert 42 (a spring with the diameter of 6.0 × 25 is arranged in the lower die first side pushing and forming insert) is combined with the lower die second side pushing and forming insert 43, the bottom surface Z4 is attached to the inclined surface of the lower die second side pushing and forming insert 43, the arc part Z1 is placed in an arc bending cavity (an inward inclined surface with an arc shape) of the lower die first side pushing and forming insert 42, the upper die side pushing punch 14 pushes the pressing surface Z5 side to the inclined surface of the lower die second side pushing and forming insert 43 for pressing, and the pressing surface Z5 can be attached to the bottom surface Z4; meanwhile, the protection of the arc-shaped bending cavity can prevent the inclined plane Z6 from being pressed, so that a certain gap is formed between the inclined plane Z6 and the bottom surface Z4. The lower mold side push molding insert stop 34 is stopped when the lower mold first side push molding insert 42 is pushed side.

Meanwhile, the 6 th operation is performed in the second processing zone, the 5 th operation is performed in the third processing zone, the 4 th operation is performed in the fourth processing zone, the 3 rd operation is performed in the fifth processing zone, the 2 nd operation is performed in the sixth processing zone, and the 1 st operation is performed in the seventh processing zone.

Step 8, correcting the formed structure; in the first processing area, the bottom surface Z4 of the product is attached to the inclined surface of the lower mold correction forming insert 41, the upper mold correction forming male mold 15 presses the product downwards, the shape designed by the upper mold correction forming male mold 15 is matched with the appearance of the product, when the upper mold correction forming male mold 15 is pressed downwards, the pressing surface Z5 can be further pressed towards the bottom surface Z4, the tilting angle of the tilting part Z2 is ensured, and the gap between the bottom surface Z4 and the inclined surface Z6 is protected, so that the size requirement shown in fig. 1 is met.

Meanwhile, the 7 th operation is performed in the second processing zone, the 6 th operation is performed in the third processing zone, the 5 th operation is performed in the fourth processing zone, the 4 th operation is performed in the fifth processing zone, the 3 rd operation is performed in the sixth processing zone, the 2 nd operation is performed in the seventh processing zone, and the 1 st operation is performed in the eighth processing zone.

Step 9, the empty step, indicates that no operation is performed on the first processing zone. The blank step is used for increasing the strength of the mould and reserving sufficient space for the subsequent mould.

Meanwhile, the 8 th operation is performed in the second processing zone, the 7 th operation is performed in the third processing zone, the 6 th operation is performed in the fourth processing zone, the 5 th operation is performed in the fifth processing zone, the 4 th operation is performed in the sixth processing zone, the 3 rd operation is performed in the seventh processing zone, the 2 nd operation is performed in the eighth processing zone, and the 1 st operation is performed in the ninth processing zone.

Step 10, cutting off and separating the product and the material belt; and the upper die cutting punch 7 is inserted downwards into the cutting edge of the lower die cutting insert 38, so that the lower folded part Z3 of the product can be cut, the whole stamping process is completed on the first processing area, and the final pin protection elastic sheet is obtained. Meanwhile, the scraping plate 16 is arranged at the outlet of the material belt, and after the material belt is cut off, the pin protection elastic sheet is scraped from the material belt by the scraping plate 16, so that the pin protection elastic sheet is prevented from being adhered to the material belt.

Meanwhile, the 9 th operation is performed in the second processing zone, the 8 th operation is performed in the third processing zone, the 7 th operation is performed in the fourth processing zone, the 6 th operation is performed in the fifth processing zone, the 5 th operation is performed in the sixth processing zone, the 4 th operation is performed in the seventh processing zone, the 3 rd operation is performed in the eighth processing zone, the 2 nd operation is performed in the ninth processing zone, and the 1 st operation is performed in the tenth processing zone.

When the upper die stamping assembly and the lower die stamping assembly are separated, the upper die air blowing pin 24 and the lower die air blowing pin 35 blow air to the upper side and the lower side respectively, so that the die and the pin protection elastic sheet can be cleaned, and the pin protection elastic sheet can be blown out of the die.

In summary, the continuous stamping die for the pin protection elastic sheet provided by the utility model integrates the functions of punching, shape punching, forming, side-push forming and cutting, and can obtain the required pin protection elastic sheet after multiple stamping according to steps; all places participating in punching and shape punching in the lower die punching assembly are designed as inserts, and when a certain amount of inserts are produced, the cutting edges participating in punching are convenient to maintain or replace when worn or damaged, so that the processing life of the die is prolonged; meanwhile, a side pushing and correcting mode is adopted during forming, the size stability of the pin protection elastic sheet is effectively guaranteed, the size precision and efficiency of the pin protection elastic sheet are guaranteed, and the die adjusting is more convenient and efficient compared with the existing single-shot die and is safer than the single-shot die in operation.

The upper die and the lower die are additionally provided with air blowing functions, air is blown into the dies when the upper die and the lower die are separated, residues such as residual residues and oil stains in the dies are cleaned, and products are blown out of the dies, so that the pin protection elastic sheet is prevented from falling into the dies, and the appearance requirements of the products are guaranteed by the cleanliness of the dies.

The division of the functional modules is only used for illustration, and in practical applications, the functions may be allocated by different functional modules as needed, that is, the functional modules are divided into different functional modules to complete all or part of the functions described above.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims

1. A continuous stamping die for a pin protection elastic sheet is used for processing a material belt and is characterized by comprising an upper die stamping assembly and a lower die stamping assembly, wherein the upper die stamping assembly is connected with the lower die stamping assembly;

2. The continuous stamping die for the pin protection elastic sheet according to claim 1, wherein the upper die stamping assembly comprises an upper die fixing pin, an upper die base, an upper die unloading spring, an upper die base plate, an upper die inner guide post, an upper die fixing plate, an upper die unloading back plate, an upper die unloading plate, an unloading fixing pin, a punch part, a forming part and a cleaning part;

the upper die base, the upper die base plate, the upper die fixing plate, the upper die discharging back plate and the upper die discharging plate are sequentially arranged from top to bottom; the upper die base plate and the upper die fixing plate of the upper die base are positioned through the upper die fixing pin; the upper die unloading spring is arranged in the upper die base plate and the upper die fixing plate, and the lower end of a guide post in the upper die sequentially penetrates through corresponding post through holes in the upper die fixing plate, the upper die unloading back plate and the upper die unloading plate and is inserted into the lower die stamping assembly; the upper die unloading back plate and the upper die unloading plate are positioned through an unloading fixing pin; the punch part and the forming part are both arranged on the upper die fixing plate and sequentially penetrate through the upper die discharging back plate and the upper die discharging plate, and the cleaning part is arranged on the upper die discharging plate;

the punch head part is used for punching a guide pin hole and the shape trimming of a pin protection elastic sheet on the material belt; the forming part is used for correspondingly bending, laterally pushing, flattening and dividing the material belt according to the shape requirement of the pin protection elastic sheet; the upper die cleaning component is used for correspondingly bending, laterally pushing, flattening and dividing the material belt; the upper die cleaning component is used for blowing and cleaning the material belt and the lower die stamping assembly.

3. The continuous stamping die for the pin protection elastic sheet according to claim 2, wherein the punch part comprises an upper die cutting punch, an upper die material strip guide hole punch, an upper die outline punch, an upper die side pushing punch and an upper die guide pin;

4. The continuous stamping die for the pin protection elastic sheet according to claim 2, wherein the forming members comprise an upper die lower curve forming male, an upper die lower W curve forming male, an upper die lower L curve forming male, an upper die correction forming male, an upper die lower V curve forming cushion block, an upper die side pushing material block, an upper die lower V curve forming male and an upper die lower L curve material block;

5. The continuous stamping die for the pin protection elastic sheet according to claim 2, wherein the upper die cleaning component comprises a scraping plate, an air blowing pin set screw, an upper die air blowing pin spring, an air blowing pin external adapter and an upper die air blowing pin;

the scraping plate is arranged on the lower template and used for preventing the material belt from being stuck on the upper die; the blowing pin stop screw is arranged on the upper die discharging back plate and used for limiting the upper die blowing pin spring; the upper die air blowing pin spring is arranged in the upper die stripper plate and used for supporting the upper die air blowing pin; the air blowing pin external rotation joint is arranged on one side of the upper die stripper plate and is used for connecting external compressed air; the upper die air blowing pin is arranged in the upper die stripper plate, and the upper die is cleaned by blowing air to blow away the iron pin.

6. The continuous stamping die for pin protection domes of claim 5, wherein the upper die stamping assembly further comprises an upper die stripper guide sleeve, an upper die limit pin and an upper die stripper insert; the upper die stripper guide sleeve, the upper die limit pin and the upper die stripper insert are all installed in the upper die stripper.

7. The continuous stamping die for the pin protection domes as claimed in claim 2, wherein the lower die stamping assembly comprises a lower die plate, an outer die guide post, a material belt bracket, a lower die backing plate, a lower die lift pin, a lower die base, a lower die fixing pin, a lower die base cushion block, an insert block component, a spring component and a lower die cleaning component;

the lower die base plate is arranged between the lower die plate and the lower die base, and the lower die plate, the lower die base plate and the lower die base are installed and positioned through lower die fixing pins; the die outer guide post is arranged on the upper die base and the lower die base and is used for pre-guiding the die; the material belt bracket is arranged at one side of the lower die base and is positioned at a material belt inlet of the lower die plate; the lower die floating pin is arranged in the lower die plate and the lower die base plate; the lower die holder is arranged on a lower workbench of the punch press, and the lower die holder cushion block is arranged at the bottom of the lower die holder; the insert block component is arranged in the lower die plate, the spring component is arranged in the lower die base plate and the lower die seat, and the lower die cleaning component is arranged in the lower die plate;

8. The continuous stamping die for a pin protection clip according to claim 7, wherein the insert part comprises a lower die lower curve forming insert, a lower die side push forming insert stopper, a lower die cut-off insert, a lower die correction forming insert, a lower die first side push forming insert, a lower die second side push forming insert, a lower die lower V curve forming insert, a lower die lower L curve forming insert, a lower die lower W curve forming insert, a lower die punch profile and guide pin hole insert, a lower die ejector pin, and a lower die first side push forming insert pad;

9. The continuous stamping die for a pin protection spring plate as recited in claim 8, wherein the spring component includes a lower die ejector pin block spring, a lower die ejector pin block set screw, a lower die lift pin spring and a lift pin set screw;

10. The progressive stamping die for a pin protection spring plate according to claim 9, wherein the lower die cleaning member includes a lower die air-blowing pin and a lower die air-blowing outer adapter;