CN221639267U - Spring plate mould - Google Patents

Abstract

The utility model discloses an elastic sheet die, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly is arranged above the lower die assembly; the upper die assembly comprises an upper die base, an upper base plate, an upper clamping plate, a baffle plate, a stripper plate and a plurality of upper dies, wherein the upper die base, the upper base plate, the upper clamping plate, the baffle plate and the stripper plate are sequentially arranged from top to bottom, the upper ends of the upper dies are arranged between the upper base plate and the upper clamping plate, and the upper dies are arranged along the moving direction of the material belt according to the forming sequence of the elastic sheets; the lower die assembly comprises a lower die plate, a lower base plate, a lower die seat and a plurality of lower dies, wherein the lower die plate, the lower base plate and the lower die seat are sequentially arranged from top to bottom, each lower die is arranged on the lower die plate along the moving track of the material belt according to the forming sequence of the elastic sheet, and the plurality of lower dies are arranged in one-to-one correspondence with the plurality of upper dies and are used for continuously processing the elastic sheet on the material belt. The elastic sheet die can realize multi-step processing of the elastic sheet through one die, integrates different steps into a whole, reduces equipment cost and improves processing efficiency.

Description

Spring plate mould

Technical Field

The utility model relates to the technical field of dies, in particular to an elastic sheet die.

Background

The elastic sheet is a very traditional energy storage driving part, power during executing action is from outside, elastic deformation and energy storage are carried out on the elastic sheet under the action of external force, and after the external force is removed, the elastic sheet releases elastic potential energy, so that acting force is exerted on the outside.

In some spring plates, the shape is complex, and not the conventional straight spring plate, the spring plate is provided with two or three sections, and adjacent sections are bent to form angles including obtuse angles, acute angles, zero degrees (parallel), negative angles and the like. The elastic sheet is a light and small part, but the elastic sheet has a plurality of processing steps, such as punching, stamping, bending, profiling, blanking, cutting and the like, and in each processing step, a corresponding die is designed and corresponding equipment is configured, so that the processing cost of the elastic sheet is greatly increased, and the problem of high processing cost exists.

Disclosure of utility model

In order to solve the technical problem of high processing cost of the elastic sheet in the prior art, one of the purposes of the utility model is to provide an elastic sheet die which can continuously and rapidly process the elastic sheet and has lower processing cost.

One of the purposes of the utility model is realized by adopting the following technical scheme:

The elastic sheet die comprises an upper die assembly and a lower die assembly, wherein the upper die assembly is arranged above the lower die assembly;

The upper die assembly comprises an upper die base, an upper base plate, an upper clamping plate, a stop plate, a stripper plate and a plurality of upper dies, wherein the upper die base, the upper base plate, the upper clamping plate, the stop plate and the stripper plate are sequentially arranged from top to bottom, the upper end of each upper die is arranged between the upper base plate and the upper clamping plate, and each upper die is arranged along the moving direction of the material belt according to the forming sequence of the elastic sheet;

the lower die assembly comprises a lower die plate, a lower base plate, a lower die seat and a plurality of lower dies, wherein the lower die plate, the lower base plate and the lower die seat are sequentially arranged from top to bottom, each lower die is arranged on the lower die plate along a moving track of a material belt according to the forming sequence of the elastic sheet, and the lower dies are arranged in one-to-one correspondence with the upper dies and are used for continuously processing the elastic sheet on the material belt.

Optionally, the plurality of upper dies includes at least one punching upper die, a plurality of punching upper dies, and a blanking upper die;

the plurality of lower dies comprise at least one punching lower die, a plurality of punching lower dies and a blanking lower die;

The punching upper dies are matched with the corresponding punching lower dies to punch the elastic sheet on the material belt, and the blanking upper dies are matched with the blanking lower dies to cut the material belt.

Optionally, the punching upper die comprises a U-shaped punch for punching one end of the elastic sheet on the material belt;

The punching lower die comprises a U-shaped hole die, and the U-shaped hole die is matched with the U-shaped punch in shape.

Optionally, the punching upper die further comprises an end punch for punching an end of the other end of the elastic sheet on the material belt;

the lower punching die further comprises an end hole die, and the end hole die is matched with the end punch in shape.

Optionally, the elastic sheet comprises a first section, a second section and a third section which are sequentially connected;

The punching upper dies comprise a first-area bending upper die for bending the first section and a second-area bending upper die for bending the second section;

The punching lower dies comprise a first-area bending lower die for bending the first section and a second-area bending lower die for bending the second section.

Optionally, the first bending upper die comprises a first bending upper die, a second bending upper die and a third bending upper die;

The first bending lower die comprises a first bending lower die, a second bending lower die and a third bending lower die;

An upper forming right angle is arranged on one side of the lower end of the first bending upper die, a lower forming right angle is arranged on one side of the upper end of the first bending lower die, and the upper forming right angle and the lower forming right angle are punched in an up-down dislocation manner between the first section and the second section of the elastic sheet;

An acute angle forming part is arranged on one side of the lower end of the second bending upper die, a first profiling part is arranged on one side of the upper end of the second bending lower die, and the acute angle forming part and the first profiling part profiling the right angle formed between the first section and the second section of the elastic sheet into an acute angle;

The upper end of the third bending lower die is provided with a plane, and the second profiling part and the plane are used for profiling an acute angle formed between the first section and the second section of the elastic sheet into a parallel state.

Optionally, the second bending upper die comprises a compression bar, a guide block and an upper slide block, the guide block is arranged on the upper clamping plate, an inclined guide rail is arranged on the guide block, the upper slide block is arranged on the stop plate or the stripper plate, the upper slide block is in sliding fit with the guide block, and one side, far away from the guide block, of the upper slide block is provided with the acute angle forming part;

The second bending lower die is a lower sliding block, the lower sliding block is arranged on the lower die plate in a sliding manner, one side of the lower sliding block is provided with the first profiling part, and the other side of the lower sliding block is provided with an inclined plane;

the pressing rod faces the inclined plane and is used for driving the lower slide block to move and press during die assembly.

Optionally, the plurality of stamping upper dies further comprises a zone stamping upper die for the first zone stamping;

The plurality of lower stamping dies further comprises a one-zone lower stamping die for stamping the first section.

Optionally, the plurality of stamping upper dies further comprises a three-zone stamping upper die for the third zone stamping;

the plurality of lower stamping dies further comprises a three-zone lower stamping die for stamping the third section.

Optionally, two rows of elastic pins are arranged on the lower base plate, the two rows of elastic pins are respectively positioned at two sides of the material belt travelling route, and a material passing groove is arranged at the upper end of each elastic pin;

the two side edges of the material belt respectively pass through annular grooves of the two rows of elastic pins.

Compared with the prior art, the utility model has the beneficial effects that:

The upper dies and the lower dies are arranged in one-to-one correspondence, each pair of corresponding upper dies and lower dies is used for one processing step, the upper dies are arranged continuously, and the lower dies are arranged continuously. The material belt passes through the lower template, a moving track of the material belt is formed on the lower template, and a plurality of processing areas are formed on the moving track. In the processing process, the material belt passes through the processing areas on the moving track, the upper die assembly and the lower die assembly process the material positioned in each processing area simultaneously, after each processing, the material belt advances one processing area, and then the processing and the advancing are repeated, so that the elastic sheet is continuously processed. Thus, in this embodiment, the elastic sheet can be processed in multiple steps through one die, and different steps are integrated into a whole, so that the equipment cost is reduced, and the processing efficiency is improved.

Drawings

FIG. 1 is a schematic view of a spring plate mold according to the present utility model;

FIG. 2 is a schematic view of a lower plate of the spring plate mold of the present utility model;

FIG. 3 is a schematic view of a stripper plate in a spring plate mold according to the present utility model;

FIG. 4 is a schematic view of a die-cut top die of the dome die of the present utility model;

FIG. 5 is a schematic view of a bending upper die and a bending lower die in the spring plate die of the present utility model;

FIG. 6 is a schematic diagram of a two-zone bending upper die and a two-zone bending lower die in the spring plate die of the utility model;

FIG. 7 is a schematic diagram of a two-zone bending upper die and a two-zone bending lower die in the spring plate die of the utility model;

FIG. 8 is a schematic diagram of a zone-punching upper die and a zone-punching lower die in the spring plate die of the present utility model;

FIG. 9 is a schematic diagram of a three-zone stamping upper die and a three-zone stamping lower die in the spring plate die of the present utility model;

fig. 10 is a schematic structural view of an elastic pin in the elastic sheet die of the present utility model.

In the figure:

1. an upper backing plate;

2. An upper clamping plate;

3. A stop plate;

4. A stripper plate;

511. A U-shaped punch; 512. an end punch; 521. bending the upper die in one area; 5211. a first bending upper die; 5212. a second bending upper die; 52121. a compression bar; 52122. a guide block; 52123. an upper slider; 5213. a third bending upper die; 522. bending the upper die in the second area; 523. a zone punching upper die; 524. three-zone punching type upper die; 53. blanking an upper die;

6. A lower template;

7. a lower backing plate;

811. U-shaped hole die; 812. an end hole die; 821. a lower bending die in one area; 8211. a first bending lower die; 8212. a second bending lower die; 8213. a third bending lower die; 822. bending the lower die in the second area; 823. a zone punching lower die; 824. three-zone punching lower die; 83. blanking a lower die;

9. An elastic member;

10. And an elastic pin.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 10 of the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that, in the embodiments of the present application, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific gesture (as shown in the drawings), and if the specific gesture changes, the directional indicators correspondingly change.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

The utility model provides an elastic sheet die for processing an elastic sheet on a material belt, which is used for continuously processing the material belt for a plurality of times so as to rapidly process the elastic sheet. The elastic sheet die comprises an upper die assembly and a lower die assembly, and the upper die assembly is arranged above the lower die assembly.

As shown in fig. 1, the upper die assembly includes an upper die holder, an upper base plate 1, an upper clamping plate 2, a stop plate 3, a stripper plate 4 and a plurality of upper dies, wherein the upper die holder, the upper base plate 1, the upper clamping plate 2, the stop plate 3 and the stripper plate 4 are sequentially arranged from top to bottom, the upper ends of the upper dies are arranged between the upper base plate 1 and the upper clamping plate 2, and the upper dies are arranged along the moving direction of the material belt according to the forming sequence of the elastic sheets.

In addition, the lower die assembly comprises a lower die plate 6, a lower base plate 7, a lower die seat and a plurality of lower dies, wherein the lower die plate 6, the lower base plate 7 and the lower die seat are sequentially arranged from top to bottom, each lower die is arranged on the lower die plate 6 along the moving track of the material belt according to the forming sequence of the elastic sheets, and the plurality of lower dies are arranged in one-to-one correspondence with the plurality of upper dies and are used for continuously processing the elastic sheets on the material belt.

In this embodiment, the plurality of upper dies are disposed in one-to-one correspondence with the plurality of lower dies, each pair of corresponding upper dies and lower dies is used for one processing step, the plurality of upper dies are arranged in succession, and the plurality of lower dies are arranged in succession. The material belt passes over the lower die plate 6, and a moving track of the material belt is formed on the lower die plate 6, and a plurality of processing areas are formed on the moving track. In the processing process, the material belt passes through the processing areas on the moving track, the upper die assembly and the lower die assembly process the material positioned in each processing area simultaneously, after each processing, the material belt advances one processing area, and then the processing and the advancing are repeated, so that the elastic sheet is continuously processed. Thus, in this embodiment, the elastic sheet can be processed in multiple steps through one die, and different steps are integrated into a whole, so that the equipment cost is reduced, and the processing efficiency is improved.

In some upper and lower die embodiments, as shown in fig. 2-7, the plurality of upper dies includes at least one punching upper die, a plurality of stamping upper dies, and a blanking upper die 53. The plurality of lower dies includes at least one punching lower die, a plurality of punching lower dies, and a blanking lower die 83. The punching upper die and the corresponding punching lower die are matched with a punching material belt, the punching upper die and the punching lower die are matched on the material belt to punch the elastic sheet, and the blanking upper die 53 and the blanking lower die 83 are matched with the punching material belt to cut the elastic sheet. The upper die and the lower die comprise a punching die, a punching die and a blanking die, the basic shape of the elastic sheet is punched on the material belt through the punching die, namely the punching upper die and the punching lower die, and the elastic sheet is stably adhered to the material belt in the punching process, so that the elastic sheet moves along with the material belt, and different processing areas and processing steps are switched.

Further, as shown in fig. 4, the punching upper die includes a U-shaped punch 511 for punching one end of the elastic sheet on the material tape. The punching die comprises a U-shaped hole die 811, and the U-shaped hole die 811 is matched with the U-shaped punch 511 in shape. The U-shaped punch 511 cuts two-thirds of the length of the spring sheet, facilitating subsequent bending of the first section and the second section.

Further, as shown in fig. 4, the punching upper die further includes an end punch 512 for punching an end of the other end of the elastic sheet on the material tape. The end of the other end of the elastic sheet is punched on the material belt through the end punch 512, so that the end of the other end of the elastic sheet can be conveniently formed later.

As shown in fig. 2, the lower die also includes an end die 812, the end die 812 being shaped to fit the end punch 512. The end die 812 is then mated with the end punch 512, the end die 812 receiving the end punch when the end punch 512 is die cut.

In some embodiments of the dome die, the dome includes a first section, a second section, and a third section connected in sequence. As shown in fig. 5, 6 and 7, the plurality of stamping dies includes a one-zone bending die 521 for bending the first section and a two-zone bending die 522 for bending the second section. The plurality of stamping lower molds includes a one-zone bending lower mold 821 for bending the first section and a two-zone bending lower mold 822 for bending the second section. The punching upper die comprises a first-region bending upper die 521 and a second-region bending upper die 522, and the punching lower die comprises a first-region bending lower die 821 and a second-region bending lower die 822. The first section is bent by a region bending upper die 521 and a region bending lower die 821. The second section is folded by a two-zone folding upper die 522 and a two-zone folding lower die 822.

Further, as shown in fig. 5, the one-section bending upper die 521 includes a first bending upper die 5211, a second bending upper die 5212, and a third bending upper die 5213. The one-zone bending lower die 821 includes a first bending lower die 8211, a second bending lower die 8212, and a third bending lower die 8213.

One side of the lower end of the first bending upper die 5211 is provided with an upper forming right angle, one side of the upper end of the first bending lower die 8211 is provided with a lower forming right angle, the upper forming right angle is located above, the lower forming right angle is located below, the upper forming right angle and the lower forming right angle are oppositely arranged, and the upper forming right angle and the lower forming right angle are staggered and punched up and down between the first section and the second section of the elastic sheet.

One side of the lower end of the second bending upper die 5212 is provided with an acute angle forming part, the acute angle forming part is of a convex acute angle structure, one side of the upper end of the second bending lower die 8212 is provided with a first profiling part, the first profiling part and the acute angle forming part profiling the right angle formed by the first profiling part and the acute angle forming part between the first section and the second section of the elastic sheet into an acute angle, namely, the first profiling part presses the elastic sheet to bend along the acute angle structure, so that the first section and the second section bend into an acute angle.

A second profiling part is arranged on one side of the lower end of the third bending upper die 5213, the upper end of the third bending lower die 8213 is provided with a plane, and the second profiling part and the plane profiling an acute angle formed between the first section and the second section of the elastic sheet into parallel.

In the present embodiment, the first section is bent by the cooperation of the first bending upper die 5211, the second bending upper die 5212, the third bending upper die 5213, and the corresponding first bending lower die 8211, second bending lower die 8212 and third bending lower die 8213, and the bending angle thereof is turned from 180 degrees to right angles, acute angles and zero degrees (i.e. the first section and the second section are parallel)

More recently, as shown in fig. 5, the second bending upper die 5212 includes a compression bar 52121, a guide block 52122 and an upper slider 52123, the guide block 52122 is disposed on the upper clamping plate 2, an inclined guide rail is disposed on the guide block 52122, the upper slider 52123 is disposed on the stop plate 3 or the stripper plate 4, the upper slider 52123 is slidably engaged with the guide block 52122, and an acute angle forming portion is disposed on a side of the upper slider 52123 away from the guide block 52122.

The second bending lower die 8212 is a lower slider, the lower slider is slidably disposed on the lower die plate 6, one side of the lower slider is provided with a first profiling portion, and the other side of the lower slider is provided with an inclined plane.

The pressing bar 52121 faces the inclined plane and is used for driving the lower slide block to move the profiling during die assembly.

In addition, in the shell fragment mould, the upper mould subassembly still includes elastic component 9, and elastic component 9 upper end butt upper die base or upper padding plate 1, elastic component 9's lower extreme butt stop plate 3, and elastic component 9 is used for keeping the distance between upper clamping plate 2 and the stop plate 3. In addition, when the die is opened, under the action of the hand elastic piece 9, the stop plate 3 and the stripper plate 4 keep pressing the lower die plate 6, and after the upper die holder ascends for a certain distance, the stop plate 3 and the stripper plate 4 are driven to move upwards. During mold closing, the stripper plate 4 will first abut against the lower mold plate 6, specifically, the elastic pins 10 in the following, so that the two rows of elastic pins 10 and the material belt descend, the material belt is tightly attached to the lower mold plate 6 and the stripper plate 4 is tightly attached to the material belt, and the stop plate 3 also moves along with the stripper plate 4.

As shown in fig. 5, the second bending upper die 5212 includes three parts, in which the guide block 52122 and the upper slider 52123 are slidably fitted by inclined guide rails extending obliquely. When the mold is closed, the upper slide block 52123 moves along with the stripper plate 4 to be close to the material belt, then the guide block 52122 descends along with the upper mold base, the guide block 52122 and the upper slide block 52123 slide relatively, the guide block 52122 drives the upper slide block 52123 to move along the upper surface of the lower mold plate 6, specifically, the acute angle forming part moves to the elastic sheet in the corresponding position until the acute angle forming part moves to the joint of the first section and the second section.

The compression bar 52121 moves along with the upper clamping plate 2 or the upper backing plate 1, when the upper die holder, the upper backing plate 1 and the upper clamping plate 2 are pressed down, the compression bar 52121 moves downwards and abuts against the inclined surface on the lower sliding block in the descending process, so that the lower sliding block elastic sheet is driven to move through the compression bar 52121, particularly to the joint of the first section and the second section, and the first profiling part presses the elastic sheet, so that the bending of the first section is realized.

In some embodiments of the upper and lower stamping dies, the plurality of upper stamping dies further includes a one-zone upper stamping die 523 for the first section stamping. The plurality of lower stamping dies also includes a one-zone lower stamping die 823 for first zone stamping. The first section of the elastic sheet is punched through a section punching upper die 523 and a section punching lower die 823, so that the first section has a specific shape.

In some embodiments of the upper and lower stamping dies, the plurality of upper stamping dies further includes a three-zone upper stamping die 524 for third section stamping. The plurality of lower die further includes a three-zone lower die 824 for third zone stamping. A specific shape is punched in the third section by a three-zone punch upper die 524 and a three-zone punch lower die 824.

For the above-mentioned upper die and lower die, it can be specifically stamped arc structure, bending structure, concave point, convex point, etc. In some embodiments of the elastic sheet mold, two rows of elastic pins 10 are arranged on the lower base plate 7, the area between the two rows of elastic pins 10 is the moving area of the material belt and is also the area where the moving track of the material belt is located, the two rows of elastic pins 10 are respectively positioned at two sides of the travelling path of the material belt, and the upper ends of the elastic pins 10 are provided with a material passing groove. The two side edges of the strip pass through the annular grooves of the two rows of elastic pins 10 respectively. In addition, a blind hole is arranged at the bottom of the stripper plate 4, and the depth of the blind hole is equal to the distance from the top of the elastic pin 10 to the passing trough.

Further, the passing groove is located at one side of the elastic pin 10 close to the moving track of the material belt.

In some other embodiments of the passing trough, as shown in fig. 10, the passing trough is an annular trough, so that the elastic pin 10 can be rotated arbitrarily when the elastic pin 10 is installed, without considering the installation angle of the elastic pin 10 or considering the orientation of the passing trough, and the installation convenience of the elastic pin 10 is improved.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (10)

1. The elastic sheet die is characterized by comprising an upper die assembly and a lower die assembly, wherein the upper die assembly is arranged above the lower die assembly;

The upper die assembly comprises an upper die base, an upper base plate, an upper clamping plate, a stop plate, a stripper plate and a plurality of upper dies, wherein the upper die base, the upper base plate, the upper clamping plate, the stop plate and the stripper plate are sequentially arranged from top to bottom, the upper end of each upper die is arranged between the upper base plate and the upper clamping plate, and each upper die is arranged along the moving direction of the material belt according to the forming sequence of the elastic sheet;

the lower die assembly comprises a lower die plate, a lower base plate, a lower die seat and a plurality of lower dies, wherein the lower die plate, the lower base plate and the lower die seat are sequentially arranged from top to bottom, each lower die is arranged on the lower die plate along a moving track of a material belt according to the forming sequence of the elastic sheet, and the lower dies are arranged in one-to-one correspondence with the upper dies and are used for continuously processing the elastic sheet on the material belt.

2. The dome die of claim 1, wherein the plurality of upper dies includes at least one punching upper die, a plurality of stamping upper dies, and a blanking upper die;

the plurality of lower dies comprise at least one punching lower die, a plurality of punching lower dies and a blanking lower die;

The punching upper dies are matched with the corresponding punching lower dies to punch the elastic sheet on the material belt, and the blanking upper dies are matched with the blanking lower dies to cut the material belt.

3. The spring plate die of claim 2, wherein the punching upper die comprises a U-shaped punch for punching one end of the spring plate on the strip;

The punching lower die comprises a U-shaped hole die, and the U-shaped hole die is matched with the U-shaped punch in shape.

4. A dome die as set forth in claim 3 wherein said upper punch die further includes an end punch for punching an end of the other end of the dome on the web;

the lower punching die further comprises an end hole die, and the end hole die is matched with the end punch in shape.

5. The spring plate mold of any one of claims 2 to 4, wherein the spring plate comprises a first section, a second section, and a third section connected in sequence;

The punching upper dies comprise a first-area bending upper die for bending the first section and a second-area bending upper die for bending the second section;

The punching lower dies comprise a first-area bending lower die for bending the first section and a second-area bending lower die for bending the second section.

6. The spring plate die of claim 5, wherein the one-zone bending upper die comprises a first bending upper die, a second bending upper die, and a third bending upper die;

The first bending lower die comprises a first bending lower die, a second bending lower die and a third bending lower die;

An upper forming right angle is arranged on one side of the lower end of the first bending upper die, a lower forming right angle is arranged on one side of the upper end of the first bending lower die, and the upper forming right angle and the lower forming right angle are punched in an up-down dislocation manner between the first section and the second section of the elastic sheet;

An acute angle forming part is arranged on one side of the lower end of the second bending upper die, a first profiling part is arranged on one side of the upper end of the second bending lower die, and the acute angle forming part and the first profiling part profiling the right angle formed between the first section and the second section of the elastic sheet into an acute angle;

The upper end of the third bending lower die is provided with a plane, and the second profiling part and the plane are used for profiling an acute angle formed between the first section and the second section of the elastic sheet into a parallel state.

7. The elastic sheet die of claim 6, wherein the second bending upper die comprises a pressing rod, a guide block and an upper sliding block, the guide block is arranged on the upper clamping plate, an inclined guide rail is arranged on the guide block, the upper sliding block is arranged on the stop plate or the stripper plate, the upper sliding block is in sliding fit with the guide block, and the acute angle forming part is arranged on one side of the upper sliding block away from the guide block;

The second bending lower die is a lower sliding block, the lower sliding block is arranged on the lower die plate in a sliding manner, one side of the lower sliding block is provided with the first profiling part, and the other side of the lower sliding block is provided with an inclined plane;

the pressing rod faces the inclined plane and is used for driving the lower slide block to move and press during die assembly.

8. The spring plate die of claim 5 wherein a plurality of said punch top dies further comprise a zone punch top die for said first section punch;

The plurality of lower stamping dies further comprises a one-zone lower stamping die for stamping the first section.

9. The spring plate die of claim 5 wherein a plurality of said punch top dies further comprises a three-zone punch top die for said third section punch;

the plurality of lower stamping dies further comprises a three-zone lower stamping die for stamping the third section.

10. The elastic sheet die of claim 1, wherein the lower base plate is provided with two rows of elastic pins, the two rows of elastic pins are respectively positioned at two sides of a material belt running path, and the upper end of each elastic pin is provided with a material passing groove;

the two side edges of the material belt respectively pass through annular grooves of the two rows of elastic pins.