Continuous stamping die

Abstract

The utility model provides a continuous stamping die which comprises a first die plate, a second die plate, a third die plate and a fourth die plate. The second template is located above the first template and has a pressing state of moving downwards and a loosening state of moving upwards, and a plurality of via holes are formed in the second template in the length direction of the material belt; the stamping assembly is located above the second die plate, a first cutter set, a plurality of upsetting blocks and a second cutter set are sequentially arranged at the bottom of the stamping assembly in the length direction, and the first cutter set, the upsetting blocks and the second cutter set in the pressing state penetrate through the corresponding via holes; wherein the first cutter group is used for punching a material belt to form a cutting groove of at least part of the edge of the pressing sheet; the plurality of upsetting blocks are used for upsetting the material strip in sequence to form a complete thinning area in the process that the material strip moves in the length direction; the second cutter set is used for cutting off the cutting groove. The continuous stamping die is simple in structure and convenient to manufacture, the thinning design of the pressing piece can be achieved, the production efficiency is improved, the product percent of pass is ensured, and the manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the stamping technical field, and particularly to a continuous stamping die. BACKGROUND

[0002] With the development of 3C (Computer Communication Consumer Electronics, computer, communication and consumer electronics) products, the requirement for thinness of the whole machine products is higher and higher. In 3C products, a pressing sheet is usually arranged. In order to reduce the thickness of the whole machine while ensuring the strength of the whole machine, the pressing sheet needs to be locally thinned. The existing method is to locally etch the pressing sheet. However, the local etching process is complex, the turnover process is relatively more, the yield is relatively low, and the manufacturing cost is also relatively high. Therefore, a more efficient way to manufacture the pressing sheet is needed. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the purpose of the present application is to provide a continuous stamping die to solve or partially solve the above technical problems.

[0004] The present application provides a continuous stamping die for manufacturing a pressing sheet, the pressing sheet being provided with a thinning area, the continuous stamping die comprising: a first die plate for carrying a tape of the pressing sheet; a second die plate located above the first die plate, having a pressing state of moving downward and a relaxing state of moving upward, the second die plate being provided with a plurality of through holes along the length direction of the tape; a stamping assembly located above the second die plate, the bottom of the stamping assembly being provided with a first cutter group, a plurality of upsetting blocks and a second cutter group in sequence along the length direction, the first cutter group, the upsetting blocks and the second cutter group in the pressing state penetrating the corresponding through holes; wherein the first cutter group is used for punching the tape to form a cutting groove of at least part of the edge of the pressing sheet; each of the upsetting blocks is used for upsetting the tape to form part of the thinning area, and the plurality of upsetting blocks are used for sequentially upsetting the tape to form a complete thinning area during the movement of the tape along the length direction; and the second cutter group is used for cutting the cutting groove.

[0005] In some embodiments, the top surface of the first die plate is embedded with a first reinforcing block corresponding to the plurality of upsetting blocks; and the top surface of the first die plate is provided with a first matching groove corresponding to the first cutter group and a second matching groove corresponding to the second cutter group.

[0006] In some embodiments, the top surface of the first template is provided with two rows of guide pins, which are respectively located on both sides of the material belt along the width direction, and the bottom surface of the second template is provided with guide holes corresponding to the guide pins; the corners of the second template are provided with guide columns, and the corners of the first template are embedded with column sleeves corresponding to the guide columns.

[0007] In some embodiments, the bottom surface of the second template is provided with two rows of positioning pins, and the top surface of the first template is provided with positioning holes corresponding to the positioning pins, the positioning pins being located between the two rows of guide pins for positioning the compression sheet.

[0008] In some embodiments, the second template is embedded with a second reinforcing block, and the second reinforcing block is provided with the via corresponding to the upsetting block.

[0009] In some embodiments, the top surface of the second template is provided with a plurality of springs.

[0010] In some embodiments, the stamping assembly comprises a first locking plate located above the second template, the first locking plate being provided with a plurality of stepped holes for embedding the first cutter group, the upsetting block or the second cutter group; and a second locking plate located above the first locking plate and detachably connected with the first locking plate.

[0011] In some embodiments, the bottom surface of the second template is provided with a protrusion, and the top surface of the first template is provided with a stretching slot corresponding to the protrusion, the stretching slot being located on the side of the second matching slot away from the first reinforcing block for bending the material belt.

[0012] In some embodiments, the bottom of the stamping assembly is further provided with a punching knife group, the punching knife group being located on the side of the second cutter group away from the upsetting block, the punching knife group in the compression state penetrating through the corresponding via, and the top surface of the first template being provided with a hole slot corresponding to the punching knife group.

[0013] In some embodiments, the bottom of the stamping assembly is further provided with a third cutter group, the third cutter group being located on the side of the punching knife group away from the second cutter group, the third cutter group in the compression state penetrating through the corresponding via, and the top surface of the first template being provided with a third matching slot corresponding to the third cutter group, the third cutter group being used for cutting off the material belt to form a complete compression sheet.

[0014] From the above, it can be seen that the present application provides a continuous stamping die for making a compression sheet provided with a thinning area, the continuous stamping die comprising: a first die plate for bearing a material belt of the compression sheet; a second die plate located above the first die plate and having a compression state of moving downward and a release state of moving upward, the second die plate being provided with a plurality of through holes in the length direction of the material belt; a stamping assembly located above the second die plate and sequentially provided with a first cutter group, a plurality of upsetting blocks and a second cutter group at the bottom in the length direction, the first cutter group, the upsetting blocks and the second cutter group in the compression state penetrating the corresponding through holes; wherein the first cutter group is used for punching the material belt to form a cutting groove of at least part of the edge of the compression sheet; each upsetting block is used for upsetting the material belt to form a part of the thinning area, and the plurality of upsetting blocks are used for sequentially upsetting the material belt to form a complete thinning area in the process of moving the material belt in the length direction; and the second cutter group is used for cutting the cutting groove. The plurality of upsetting blocks are used for step-by-step stamping and upsetting the material belt to form the thinning area, so as to realize local thinning of the compression sheet; the first cutter group is used for punching the material belt to form the cutting groove before the plurality of times of upsetting, so as to provide a capacity space for deformation generated by the upsetting; and the second cutter group is used for cutting the cutting groove after the plurality of times of upsetting, so as to ensure the size precision of the compression sheet. The continuous stamping die has simple structure and is convenient to manufacture, can realize thinning design of the compression sheet, improves production efficiency, ensures product qualification rate and reduces manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present application or the related art, the following will briefly introduce the drawings needed to be used in the embodiments or the related art descriptions. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0016] Figure 1 FIG. 1 is a structural schematic diagram of a compression sheet in an embodiment of the present application;

[0017] Figure 2 FIG. 2 is a structural schematic diagram of a continuous stamping die in a compression state in an embodiment of the present application;

[0018] Figure 3 FIG. 3 is a structural schematic diagram of the continuous stamping die in a release state in an embodiment of the present application; Figure 2

[0019] FIG. 4 is a sectional schematic diagram of the continuous stamping die in an embodiment of the present application; Figure 4 Figure 2 FIG. 5 is an exploded structural schematic diagram of the continuous stamping die in an embodiment of the present application;

[0020] Figure 5 Figure 2 FIG. 6 is a structural schematic diagram of a continuous stamping die in a compression state in another embodiment of the present application;

[0021] Figure 6 ​​A top surface structure schematic diagram of a first die plate in the embodiment of the present application;

[0022] Figure 7 A bottom surface structure schematic diagram of a second die plate in the embodiment of the present application;

[0023] Figure 8 A Figure 7 A schematic diagram of an explosion structure of the second die plate in the embodiment of the present application;

[0024] Figure 9 A structure schematic diagram of a stamping assembly in the embodiment of the present application;

[0025] Figure 10 A Figure 9 A schematic diagram of an explosion structure of the stamping assembly in the embodiment of the present application.

[0026] The figure mark: 1, a pressing piece; 1-1, a thinning area; 2, a first die plate; 2-1, a first reinforcing block; 2-2, a first matching groove; 2-3, a second matching groove; 2-4, a guide pin; 2-5, a column sleeve; 2-6, a stretching groove; 2-7, a hole groove; 2-8, a third matching groove; 2-9, a positioning hole; 3, a material belt; 4, a second die plate; 4-1, a via hole; 4-2, a guide hole; 4-3, a guide column; 4-4, a second reinforcing block; 4-5, a spring; 4-6, a protrusion; 4-7, a positioning pin; 5, a stamping assembly; 5-1, a first cutter group; 5-2, a upsetting block; 5-3, a second cutter group; 5-4, a punching cutter group; 5-5, a third cutter group; 6, a first lock plate; 6-1, a step hole; 7, a second lock plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below with specific embodiments and with reference to the drawings.

[0028] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present application should be understood as the general meaning understood by those skilled in the art to which the present application belongs. The "first", "second" and similar words used in the embodiments of the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0029] With the development of 3C (Computer Communication Consumer Electronics) products, the requirement for thinness of the whole machine is higher and higher. In 3C products, a pressing sheet is usually arranged. In order to reduce the thickness of the whole machine while ensuring the strength of the whole machine, the pressing sheet needs to be locally thinned. The existing method is to locally etch the pressing sheet. However, the local etching process is complex, the turnover process is relatively more, the yield is relatively low, and the manufacturing cost is relatively high. Therefore, a more efficient way to manufacture the pressing sheet is needed.

[0030] The structure of the pressing sheet 1 is shown in Figure 1 Generally, the material of the pressing sheet 1 is steel, and the thickness is 0.3 mm. In order to meet the requirement for thinness, a thinned area 1-1 with a thickness of 0.2 mm is arranged locally. The thinned area 1-1 can be realized by a local etching process. The product needs to be opened and precisely punched, then locally etched, and then stamped by a mold. The local etching process includes material cleaning, drying, film pasting, exposure, development, drying, etching, and film stripping. Although the local etching product surface is flat, the etching depth and the size of the area range are relatively accurate. However, overall, the etching process increases the cost, increases the turnover process, and reduces the yield of finished products. Moreover, the process involves chemical corrosion, which pollutes the environment.

[0031] Hereinafter, the technical solutions of the present application will be described in detail through specific embodiments and in combination with Figures 1 to 10 .

[0032] In some embodiments of the present application, a continuous stamping die is provided for manufacturing a pressing sheet 1, as shown in Figure 1 , the pressing sheet 1 is provided with a thinned area 1-1, as shown in Figures 2 to 5 , the continuous stamping die comprises: a first die plate 2 for carrying a material belt 3 of the pressing sheet 1; a second die plate 4 located above the first die plate 2, having a pressing state of moving downward and a relaxing state of moving upward, the second die plate 4 is provided with a plurality of through holes 4-1 along the length direction of the material belt 3; a stamping assembly 5 located above the second die plate 4, the bottom part is sequentially provided with a first cutter group 5-1, a plurality of upsetting blocks 5-2 and a second cutter group 5-3 along the length direction, the first cutter group 5-1, the upsetting blocks 5-2 and the second cutter group 5-3 in the pressing state penetrate the corresponding through holes 4-1; wherein the first cutter group 5-1 is used for punching the material belt 3 to form a cutting groove of at least part of the edge of the pressing sheet 1; each of the upsetting blocks 5-2 is used for upsetting the material belt 3 to form part of the thinned area 1-1, and the plurality of upsetting blocks 5-2 are used for sequentially upsetting the material belt 3 to form a complete thinned area 1-1 in the process of moving the material belt 3 along the length direction; the second cutter group 5-3 is used for cutting the cutting groove.

[0033] As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1. Figure 1

[0034] The material belt 3 is the raw material for making the pressing sheet 1, as shown in the figure, the L direction is the length direction of the material belt 3, and the W direction is the width direction of the material belt 3. The material belt 3 is placed in the continuous stamping die, and the pressing sheet 1 is made through processes such as punching, upsetting, bending, and punching. Figures 2 to 10 As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1.

[0035] As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1. Figure 5 As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1. Figure 2 As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1. Figure 3 As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1.

[0036] As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1. Figure 7 As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1.

[0037] The continuous stamping die further comprises a stamping assembly 5, as shown in the structure of the pressing sheet 1, which comprises a first cutter group 5-1, a plurality of upsetting blocks 5-2, and a second cutter group 5-3. The material belt 3 is formed by the plurality of upsetting blocks 5-2 to form the thinning area 1-1, and the local thinning of the pressing sheet 1 is realized. The material belt 3 is cut by the first cutter group 5-1 before the plurality of upsetting blocks 5-2 to form a cutting groove, which provides a capacity space for the deformation generated by the subsequent upsetting. The cutting groove is cut by the second cutter group 5-3 after the plurality of upsetting blocks 5-2 to ensure the size accuracy of the pressing sheet 1. Figure 9 Each upsetting block 5-2 can upset part of the thinning area 1-1, that is, the material belt 3 is partitioned and upset, and the completed thinning area 1-1 is formed by combination, which can ensure the structural strength of each upsetting block 5-2 and the size accuracy of the product. The number of upsetting blocks 5-2 is positively related to the size of the thinning area 1-1, as shown in the structure of the pressing sheet 1, five upsetting blocks 5-2 are used for step-by-step upsetting.

[0038] As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1. Figure 4 As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1. Figure 1 As shown in the structure of the pressing sheet 1, the material is metal, and the thinning area 1-1 is arranged in the middle of the pressing sheet 1, for example, which can be opened towards the long side of the pressing sheet 1. Figure 7 ​As shown, the upsetting area of the upsetting block 5-2 close to the second cutting tool group 5-3 can include the upsetting area of the upsetting block 5-2 close to the first cutting tool group 5-1, so that the size accuracy can be ensured during each upsetting.

[0039] The first cutting tool group 5-1 and the second cutting tool group 5-3 can only punch the partial edges of the long sides of the pressing piece 1, and the pressing piece 1 can be completely punched after subsequent bending, punching and other processes, so as to ensure the size accuracy.

[0040] The continuous punching die has simple structure and is convenient to manufacture, can effectively realize the thinning design of the pressing piece 1, can reduce the material turnover process, improve the production efficiency, ensure the product qualification rate, and reduce the manufacturing cost compared with the traditional etching technology.

[0041] In some embodiments, as shown in Figure 6 As shown, the top surface of the first die plate 2 is embedded with a first reinforcing block 2-1, and the first reinforcing block 2-1 is arranged correspondingly to the plurality of upsetting blocks 5-2; the top surface of the first die plate 2 is provided with a first matching groove 2-2 corresponding to the first cutting tool group 5-1 and a second matching groove 2-3 corresponding to the second cutting tool group 5-3.

[0042] As shown in Figure 6 As shown, the first reinforcing block 2-1 is embedded on the first die plate 2, and the material is, for example, a hardened steel plate, so as to avoid large impact on the die plate during upsetting; the first matching groove 2-2 and the second matching groove 2-3 correspond to the first cutting tool group 5-1 and the second cutting tool group 5-3 in shape, so as to provide space for punching the material belt 3 and play a certain limiting role.

[0043] In some embodiments, as shown in Figure 6 and Figure 7 As shown, the top surface of the first die plate 2 is provided with two rows of guide pins 2-4, the two rows of guide pins 2-4 are respectively located on the two sides of the material belt 3 along the width direction, and the bottom surface of the second die plate 4 is provided with guide holes 4-2 corresponding to the guide pins 2-4; the corners of the second die plate 4 are provided with guide columns 4-3, and the corners of the first die plate 2 are embedded with column sleeves 2-5 corresponding to the guide columns 4-3.

[0044] As shown in Figure 6 As shown in Figure 7 The second die plate 4 is provided with guide holes 4-2 matched therewith, and the guide pins 2-4 can limit the material belt 3, so as to ensure the movement of the material belt 3 along the length direction and the size accuracy of the pressing piece 1.

[0045] As shown in Figure 7 As shown in Figure 6As shown, the four corners of the first template 2 are embedded with column sleeves 2-5 matched therewith, which can play a limiting role to ensure the stamping precision of the first template 2 and the second template 4.

[0046] In some embodiments, as shown in Figure 6 and Figure 7 As shown, the bottom surface of the second template 4 is provided with two rows of positioning pins 4-7, and the top surface of the first template 2 is provided with positioning holes 2-9 corresponding to the positioning pins 4-7, and the positioning pins 4-7 are located between the two rows of guide pins 2-4 for positioning the compression sheet 1.

[0047] As shown in Figure 7 and Figure 8 As shown, the second template 4 is also provided with two rows of positioning pins 4-7, as shown in Figure 6 As shown, the first template 2 is provided with positioning holes 2-9 matched therewith, as shown in Figure 3 As shown, the positioning pins 4-7 can play a limiting role when stamping the compression sheet 1 to ensure the dimensional accuracy of the compression sheet 1.

[0048] In some embodiments, as shown in Figure 7 and Figure 8 As shown, the second template 4 is embedded with a second reinforcing block 4-4, and the second reinforcing block 4-4 is provided with through holes 4-1 corresponding to the upsetting block 5-2.

[0049] As shown in Figure 7 The second template 4 is embedded with a second reinforcing block 4-4, which is made of hardened steel plate, for example, to avoid a large impact on the template during upsetting; the second reinforcing block 4-4 can not only be provided with through holes 4-1 corresponding to the upsetting block 5-2, but also can be provided with through holes 4-1 corresponding to the cutter group to avoid size limitations, which are not limited in particular.

[0050] In some embodiments, as shown in Figure 8 As shown, the top surface of the second template 4 is provided with a plurality of springs 4-5.

[0051] As shown in Figure 8 The top surface of the second template 4 is provided with springs 4-5 corresponding to the four corners of the stamping assembly 5, and the second template 4 can be connected with the upper die holder through a guide shaft, and the stamping assembly 5 can be slidingly connected with the guide shaft. By setting the springs 4-5, the stamping assembly 5 can be retracted after each stamping action of the upper die holder, which plays a protective role.

[0052] In some embodiments, as shown in Figure 9 and Figure 10As shown, the stamping assembly 5 includes a first locking plate 6 above the second die plate 4, and a plurality of stepped holes 6-1 are arranged on the first locking plate 6, which are used to embed the first cutter group 5-1, the upsetting block 5-2 or the second cutter group 5-3; and a second locking plate 7 above the first locking plate 6, which is detachably connected with the first locking plate 6.

[0053] As shown in Figure 10 , the stamping assembly 5 includes a first locking plate 6 and a second locking plate 7, and the cutter group and the upsetting block 5-2 are both provided with a hanging platform, the first locking plate 6 is provided with a stepped hole 6-1 matched therewith, which can fix the hanging platform and keep the height uniform; and the second locking plate 7 covers the hanging platform, which can be connected with the first locking plate 6 through bolts to ensure the consistency of punching and extruding.

[0054] In some embodiments, as shown in Figure 4 , Figure 6 and Figure 7 , the bottom surface of the second die plate 4 is provided with a protrusion 4-6, and the top surface of the first die plate 2 is provided with a stretching groove 2-6 corresponding to the protrusion 4-6, which is located on the side of the second matching groove 2-3 away from the first reinforcing block 2-1, and is used to bend the material belt 3.

[0055] As shown in Figure 4 , the second die plate 4 is provided with a protrusion 4-6, and the first die plate 2 is provided with a stretching groove 2-6 matched therewith, so that after the second cutter group 5-3 punches the material belt 3, the bending operation can be performed.

[0056] In some embodiments, as shown in Figure 6 and Figure 10 , the bottom of the stamping assembly 5 is further provided with a punching knife group 5-4, which is located on the side of the second cutter group 5-3 away from the upsetting block 5-2, and the punching knife group 5-4 in the pressing state penetrates through the corresponding via hole 4-1, and the top surface of the first die plate 2 is provided with a hole groove 2-7 corresponding to the punching knife group 5-4.

[0057] As shown in Figure 10 , the stamping assembly 5 is provided with a punching knife group 5-4, and as shown in Figure 6 , the first die plate 2 is provided with a hole groove 2-7 matched therewith, so that after the material belt 3 is bent, the punching operation can be performed; and the first die plate 2 can also be provided with the aforementioned stretching groove 2-6 at the punching position to provide a containing space for the pressing piece 1.

[0058] In some embodiments, as shown in Figure 6 and Figure 10As shown, the bottom of the stamping assembly 5 is also provided with a third cutter group 5-5 located on the side away from the second cutter group 5-3 of the punching cutter group 5-4, the third cutter group 5-5 in the pressing state penetrates the corresponding via hole 4-1, the top surface of the first die plate 2 is provided with a third matching groove 2-8 corresponding to the third cutter group 5-5, and the third cutter group 5-5 is used to cut off the material belt 3 to form a complete pressing piece 1.

[0059] As shown in the drawings, Figure 10 As shown, the stamping assembly 5 is provided with a third cutter group 5-5, as shown in the drawings, Figure 6 As shown, the first die plate 2 is provided with a corresponding third matching groove 2-8, so that after punching the material belt 3, the complete pressing piece 1 can be cut off from the material belt 3; the first die plate 2 can also be provided with the aforementioned stretching groove 2-6 at the cutting position to provide a containing space for the pressing piece 1.

[0060] After the continuous stamping die is started to work, the feeding mechanism moves the material belt 3 forward, the first process of the continuous stamping die performs rough cutting of the side of the product; the second process performs local extrusion of the thinning position of the product, and the extrusion length is 1 / 5 of the length of the local thinning position of the product; the third process also performs local extrusion of the thinning position of the product, and the extrusion length is 2 / 5 of the length of the local thinning position of the product; the fourth process also performs local extrusion of the thinning position of the product, and the extrusion length is 3 / 5 of the length of the local thinning position of the product; the fifth process also performs local extrusion of the thinning position of the product, and the extrusion length is 4 / 5 of the length of the local thinning position of the product; the sixth process also performs local extrusion of the thinning position of the product, and the extrusion length is the full length of the local thinning position of the product; the seventh process performs fine cutting of the side of the product; the eighth process performs bending; the ninth process performs punching; and the tenth process performs edge cutting and material falling to obtain a complete pressing piece 1.

[0061] Those skilled in the art should understand that the discussion of any of the above embodiments is only exemplary and is not intended to limit the scope of the present application (including claims) to these examples; the technical features of the above embodiments or different embodiments can also be combined under the idea of the present application, the steps can be implemented in any order, and there are many other changes of different aspects of the embodiments of the present application as described above, which are not provided in detail for the sake of brevity.

[0062] In the embodiments of the present application, the triangle, rectangle, trapezoid, pentagon or hexagon is not strictly in the sense that it can be an approximate triangle, rectangle, trapezoid, pentagon or hexagon, there can be some small deformation caused by tolerance, there can be an angle guide, an arc edge and deformation, etc.

[0063] In the context of setting forth a detailed description of exemplary embodiments of the present application, it will be apparent to those skilled in the art that the present application embodiments can be practiced without these specific details. In other instances, well-known methods have not been described in detail in order to avoid obscuring the present application embodiments. Therefore, these descriptions are not intended to be limiting.

[0064] In addition, for simplicity and clarity of illustration, devices can be shown in block diagram form, rather than in detail, in order to avoid obscuring the present application embodiments. Such devices have been described in detail elsewhere in the present application. Considerations such as, for example, scale, portability, convenience, cost, as well as current or future known equivalents, have been made regarding the descriptive manner in which the exemplary embodiments of the present application have been described. Such considerations, however, should not be interpreted as a limitation on the scope or functionality of the present application embodiments. In the context of setting forth a detailed description of exemplary embodiments of the present application, it will be apparent to those skilled in the art that the present application embodiments can be practiced without these specific details. In other instances, well-known methods have not been described in detail in order to avoid obscuring the present application embodiments. Therefore, these descriptions are not intended to be limiting.

[0065] While the present application has been described with reference to certain implementations, it will be apparent to those skilled in the art that a number of changes, modifications, and adaptations to the present application can occur, further to examples of the present application, based on the previous description.

[0066] It is the intention, therefore, to be limited only as indicated by the scope of the appended claims, and other implementations are intended to be reservoir within the scope of the present application.

Claims

1. A progressive stamping die characterized by, A continuous stamping die for manufacturing a compression sheet with a thinning area, the continuous stamping die comprising: a first die plate for carrying a strip of the compression sheet; a second die plate above the first die plate, having a downward moving compression state and an upward moving relaxation state, the second die plate being provided with a plurality of through holes along a length direction of the strip; a stamping assembly above the second die plate, the bottom of the stamping assembly being provided with a first cutter group, a plurality of upsetting blocks and a second cutter group in sequence along the length direction, the first cutter group, the upsetting blocks and the second cutter group in the compression state penetrating the corresponding through holes; wherein the first cutter group is used for cutting the strip to form a cutting groove of at least part of the edges of the compression sheet; each of the upsetting blocks is used for upsetting the strip to form part of the thinning area, and the plurality of upsetting blocks are used for sequentially upsetting the strip to form a complete thinning area during the movement of the strip along the length direction; the second cutter group is used for cutting the cutting groove.

2. The progressive die as claimed in claim 1, wherein, A top surface of the first die plate is embedded with a first reinforcing block corresponding to the plurality of upsetting blocks; the top surface of the first die plate is provided with a first matching groove corresponding to the first cutter group and a second matching groove corresponding to the second cutter group.

3. The progressive die as claimed in claim 2, wherein, The top surface of the first die plate is provided with two rows of guide pins respectively located on both sides of the strip along a width direction, and a bottom surface of the second die plate is provided with guide holes corresponding to the guide pins; a corner of the second die plate is provided with a guide column, and a corner of the first die plate is embedded with a column sleeve corresponding to the guide column.

4. The progressive die as claimed in claim 3, wherein The bottom surface of the second die plate is provided with two rows of positioning pins, and the top surface of the first die plate is provided with positioning holes corresponding to the positioning pins, the positioning pins being located between the two rows of guide pins for positioning the compression sheet.

5. The progressive die of claim 2 wherein, The second die plate is embedded with a second reinforcing block, and the second reinforcing block is provided with the through holes corresponding to the upsetting blocks.

6. The progressive die of claim 2 wherein, The top surface of the second die plate is provided with a plurality of springs.

7. The progressive die of claim 2 wherein, The stamping assembly comprises: a first locking plate above the second die plate, the first locking plate being provided with a plurality of stepped holes for embedding the first cutter group, the upsetting blocks or the second cutter group; a second locking plate above the first locking plate, detachably connected with the first locking plate.

8. The progressive die of claim 2 wherein, The bottom surface of the second die plate is provided with a protrusion, and the top surface of the first die plate is provided with a stretching groove corresponding to the protrusion, the stretching groove being located on a side of the second matching groove away from the first reinforcing block for bending the strip.

9. The progressive die of claim 8, wherein, The bottom of the stamping assembly is further provided with a punch cutter group, the punch cutter group being located on a side of the second cutter group away from the upsetting blocks, the punch cutter group in the compression state penetrating the corresponding through holes, and the top surface of the first die plate being provided with a hole groove corresponding to the punch cutter group.

10. The progressive die of claim 9, wherein, The bottom of the punching assembly is further provided with a third cutter group, which is located on the side of the punching cutter group away from the second cutter group, and the third cutter group in the pressing state penetrates through the corresponding via hole, and the top surface of the first die plate is provided with a third matching groove corresponding to the third cutter group, and the third cutter group is used for cutting off the material belt to form a complete pressing piece.

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