CN218837973U - A Ring Cutting Die for Wrinkle-prone Materials - Google Patents

Abstract

The utility model provides a pair of a circular cutting die for easily wrinkling material, include: fixed plate, mounting panel, tool post, cutting edge, connecting block, briquetting, top piece and spring. Wherein the briquetting passes through the fixed plate, spring and top piece top are established, make the cutting edge of fixing on this tool post its outer lane press the piece all the time and push down and be difficult for corrugating when the cross cutting, the briquetting can be along with going on of cross cutting again in being pressed back mounting panel and fixed plate, and when pressing back because offer the groove of stepping down on the briquetting and let for the connecting block, so can not bump the connecting block between cutting edge and the mounting panel, from not influencing cross cutting work, the inner ring cross cutting processing of the annular product that the material easily corrugates has been realized well, the wrinkling phenomenon of material has effectively been prevented, the product quality is greatly improved.

Description

A Ring Cutting Die for Wrinkle-prone Materials

technical field

The utility model belongs to the technical field of cutting dies, in particular to a ring cutting cutting die used for easily wrinkled materials.

Background technique

When performing die-cutting, the knife mold is fixed on the upper mold table, the processing material is placed under the knife mold, and the upper mold table moves up and down, and a die-cutting operation is formed every time it is pressed up and down. Many products use dies to quickly form materials into specific shapes and sizes, so they have a wide range of applications.

At present, when die-cutting some annular products with inner and outer rings, if the material is easy to wrinkle, it is generally necessary to die-cut in two steps, first pressing the outside of the inner ring, then die-cutting the inner ring, and then pressing the outer ring Then die-cut the outer ring inside, and the blade is generally processed on the surface of the mounting plate. In order to press the outside of the blade when die-cutting the inner ring, the pressing block needs to be able to cover the blade. It is necessary to be able to gradually hide into the mounting plate. At this time, it is difficult for the pressing block to be able to hide into the mounting plate without cutting off the connection between the mounting plate and the blade sleeved in it, so that the high-quality molding Cutting the inner ring of wrinkle-prone annular products becomes difficult.

Utility model content

In view of the above technical problems, the utility model provides a ring cutting die for easily wrinkled materials to solve the problem of how to realize high-quality die-cutting of the inner ring of wrinkle-prone annular products.

In order to achieve the above object, the utility model adopts the following technical solutions:

A ring cutting die for materials that are prone to wrinkling, including: a fixed plate, a mounting plate, a knife post, a blade, a connecting block, a pressing block, a top sheet and a spring, the fixing plate is fixed above the mounting plate, and the fixing plate There is a top sheet groove on the side close to the mounting plate, and there is a socket on the mounting plate that can be inserted into the pressing block as a whole along the first direction. The pressing block includes a relief groove and a set of knife through holes, and the relief groove is opened along the first direction On the upper surface of the pressing block, the through hole of the knife set is set at the bottom of the relief groove along the first direction, the sum of the thickness of the mounting plate and the height of the blade is less than or equal to the thickness of the pressing block, the connecting block is set in the socket, and the Unicom plug On both sides of the inner wall of the hole, and the sum of the distance between the lower surface of the connecting block and the upper surface of the mounting plate and the height of the blade is less than or equal to the groove depth of the relief groove, the upper surface of the knife column is fixed on the lower surface of the connecting block, The lower surface of the knife column is flush with the lower surface of the mounting plate, the blade is arranged on the lower surface of the knife column, the knife column and the blade are inserted in the through hole of the knife set along the first direction, and the top piece is slidably arranged along the first direction In the top sheet groove, the projection contour of the jack along the first direction is located in the top sheet groove, and the top sheet is detachably connected with the pressing block, for hanging the pressing block movably on the top sheet groove and the pressing block along the first direction. In the step hole formed by the socket, the spring is arranged in the groove of the top piece and between the fixed plate and the top piece. The lower surface of the pressing block protrudes from the lower surface of the mounting plate before die cutting, and the protrusion The protrusion height is not lower than the protruding height of the blade on the mounting plate, and the lower surface of the pressing block is gradually pressed back into the mounting plate during die-cutting until it remains flush with the lower surface of the mounting plate.

Optionally, the protrusion height of the pressing block on the mounting plate before die cutting is higher than the protrusion height of the knife edge on the mounting plate.

Optionally, the mounting plate, the knife column, the blade and the connecting block are integrated components.

Preferably, the upper surface of the connecting block is flush with the upper surface of the mounting plate.

Optionally, the top sheet coincides with the centerline of the pressing block along the first direction.

Optionally, a round groove is provided at the bottom of the top sheet groove, which is used for just positioning and placing the spring.

Optionally, the top sheet and the pressing block are detachably connected by connecting bolts.

Optionally, the mounting plate is detachably fixed on the fixing plate by a plurality of fixing bolts.

Preferably, the head of each fixing bolt is arranged in the mounting plate, and the head of each fixing bolt does not protrude from the mounting plate.

Optionally, multiple sets of knife posts and blades are respectively provided for die-cutting multiple products at one time.

Compared with the prior art, the utility model provides a ring cutting die for easily wrinkled materials. By setting the pressing block supported by the fixed plate, the spring and the top sheet, the blade can be cut outside when die cutting. The ring is always pressed by a pressing block so that it is not easy to wrinkle. At the same time, the pressing block can be pressed back into the mounting plate as the die-cutting progresses. When pressing back, there is a relief groove on the pressing block to give way to the connecting block. Therefore, the connecting block between the blade and the mounting plate cannot be touched, so that the die-cutting work is not affected, and the inner ring die-cutting of the ring-shaped product whose material is easy to wrinkle is well realized, and the wrinkling phenomenon of the material is effectively prevented, and the material is greatly improved. Improved product quality.

Description of drawings

Fig. 1 is a structural schematic view of a ring cutting die for easy-to-wrinkle materials before die-cutting according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of a ring cutting die for easily wrinkled materials in an embodiment of the present invention when die cutting is completed;

FIG. 3 is a schematic view of the structure of a ring cutting die for wrinkle-prone materials according to an embodiment of the present invention.

Detailed ways

In order to have a further understanding of the purpose, structure, features, and functions of the present utility model, the detailed description is as follows in conjunction with the embodiments.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model.

Please refer to Fig. 1, Fig. 2 and Fig. 3, a ring cutting die 100 for easily wrinkled materials, including: fixed plate 1, mounting plate 2, knife column 3, blade 4, connecting block 5, press Block 6, top sheet 7 and spring 8.

The fixed plate 1 is fixed above the mounting plate 2 , and a top sheet groove 11 is opened on the side of the fixed plate 1 close to the mounting plate 2 .

The mounting plate 2 is provided with an insertion hole 21 that can be inserted into the pressing block 6 as a whole along the first direction X. As shown in FIG.

The pressure block 6 includes a relief groove 61 and a set knife through hole 62. The relief groove 61 is opened on the upper surface of the pressure block 6 along the first direction X, and the set knife through hole 62 is opened in the first direction X of the relief groove 61. At the bottom, the sum of the thickness of the mounting plate 2 and the blade height of the blade 4 is less than or equal to the thickness of the pressing block 6 .

The connecting block 5 is erected in the socket 21 and communicates with both sides of the inner wall of the socket 21, and the sum of the distance between the lower surface of the connecting block 5 and the upper surface of the mounting plate 2 and the height of the blade 4 is less than or equal to the relief groove 61 The groove depth.

The upper surface of the knife column 3 is fixed on the lower surface of the connecting block 5, the lower surface of the knife column 3 is flush with the lower surface of the mounting plate 2, the blade 4 is arranged on the lower surface of the knife column 3, and the knife column 3 and the blade 4 are arranged along the One direction X is inserted in the through hole 62 of the knife set.

The top sheet 7 is slidably arranged in the top sheet groove 11 along the first direction X, and the projection profile of the insertion hole 21 along the first direction X is located in the top sheet groove 11. That is, the cross-sectional size of the insertion hole 21 is smaller than the top sheet groove 11. The top sheet 7 is detachably connected with the pressing block 6, and is used for hanging the pressing block 6 movably in the stepped hole formed by the top sheet groove 11 and the insertion hole 21 along the first direction.

The spring 8 is arranged in the top sheet groove 11 and pushed between the fixed plate 1 and the top sheet 7 . It can not only make the pressing block 6 tightly flatten the material outside the blade 4, but also reserve space for the pressing block 6 to be pressed back into the mounting plate 2 and the fixing plate 1.

The lower surface of the briquetting block 6 protrudes from the lower surface of the mounting plate 2 before die cutting, and the protruding height of the briquetting block 6 is not lower than the protruding height of the blade 4 on the mounting plate 2, and the lower surface of the briquetting block 6 is in the During die-cutting, it is gradually pressed back into the mounting plate 2 until it remains flush with the lower surface of the mounting plate 2 .

Optionally, the protrusion height of the pressing block 6 on the mounting plate 2 before die cutting is higher than the protrusion height of the blade 4 on the mounting plate 2 . This can realize pressing first and then cutting, and better ensure the flatness of the outer material of the blade 4 during die cutting.

Optionally, the mounting plate 2, the knife post 3, the blade 4 and the connecting block 5 are integral components. That is, the knife column 3, the blade 4 and the connecting block 5 are obtained by direct processing on the mounting plate 2, so that the structure is stable and the positioning accuracy is high.

Preferably, the upper surface of the connecting block 5 is flush with the upper surface of the mounting plate 2 . This not only reduces the amount of processing, but also has high connection strength.

Optionally, the centerline of the top sheet 7 and the pressing block 6 along the first direction X coincides. Arranging like this can make briquetting block 6 press more steadily.

Optionally, a round groove 111 is provided at the bottom of the top sheet groove 11 for just positioning and placing the spring 8 . Such an arrangement can not only facilitate the rapid positioning and placement of the spring 8, but also effectively prevent the spring 8 from shifting.

Optionally, the top sheet 7 is detachably connected to the pressing block 6 through connecting bolts 67 . This arrangement is convenient for disassembly and maintenance.

Optionally, the mounting plate 2 is detachably fixed on the fixing plate 1 through a plurality of fixing bolts 12 .

Preferably, the head of each fixing bolt 12 is arranged inside the installation plate 2 , and the head of each fixing bolt 12 does not protrude from the installation plate 2 . This setting is not easy to damage the knife die, and does not affect the die cutting.

Optionally, multiple sets of knife posts 3 and blades 4 are respectively provided for die-cutting multiple products at one time. This setting can save costs and improve die-cutting efficiency.

The working principle of an embodiment of the utility model:

Before die-cutting, the pressure block 6 protrudes from the lower surface of the mounting plate 2 under the action of the fixed plate 1, the spring 8 and the top sheet 7, and the protrusion height of the pressure block 6 is greater than or equal to the height of the blade 4. When the ring cutter When the die 100 starts to die-cut along the first direction X, the pressing block 6 is gradually pressed back into the mounting plate 2, and the cutting edge 4 starts to cut after touching the material. During the cutting process, the material outside the cutting edge 4 is always under the pressure of the pressing block 6 While maintaining a flat state, the relief groove 61 provided at the top of the briquetting block 6 can effectively ensure that the briquetting block 6 will not touch the connecting block 5 when it is not completely hidden in the mounting plate 2 .

The utility model is provided with a pressing block topped by a fixed plate, a spring and a top sheet, so that the outer ring of the blade is always pressed by the pressing block when die-cutting and is not easy to wrinkle, and at the same time, the pressing block can follow the die-cutting process. It is pressed back into the mounting plate, and when it is pressed back, because there is a relief groove on the pressing block to give way to the connecting block, it cannot touch the connecting block between the blade and the mounting plate, thus not affecting the die-cutting work, very good It realizes the inner ring die-cutting processing of the wrinkle-prone material effectively, effectively prevents the wrinkle phenomenon of the material, and greatly improves the product quality.

The utility model has been described by the above-mentioned relevant embodiments, but the above-mentioned embodiments are only examples for implementing the utility model. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, changes and modifications made without departing from the spirit and scope of the utility model all belong to the patent protection scope of the utility model.

Claims (10)

1. A ring cutter die for easily wrinkled materials, characterized in that it comprises: a fixed plate, a mounting plate, a briquetting block, a connecting block, a knife column, a blade, a top sheet and a spring; The fixing plate is fixed on the top of the mounting plate, and a top sheet groove is opened on the side of the fixing plate close to the mounting plate; The mounting plate is provided with a socket that can be inserted into the pressing block as a whole along the first direction; The briquetting block includes a relief groove and a set of knife through holes, the relief groove is opened on the upper surface of the briquetting block along the first direction, and the set of knife through holes is opened on the bottom of the give way groove along the first direction; The connecting block is erected in the socket and communicates with both sides of the inner wall of the socket; The upper surface of the knife column is fixed on the lower surface of the connecting block, the lower surface of the knife column is flush with the lower surface of the mounting plate, the blade is arranged on the lower surface of the knife column, and the knife column and the blade are arranged along the The first direction is inserted in the through hole of the set of knives, the sum of the edge height of the blade and the thickness of the mounting plate is less than or equal to the thickness of the pressing block, and the distance between the lower surface of the connecting block and the upper surface of the mounting plate is equal to The sum of the blade heights of the blades is less than or equal to the groove depth of the relief groove; The top piece is slidably arranged in the top piece groove along the first direction, and the projected contour of the socket along the first direction is located in the top piece groove, and the top piece is detachably connected with the pressing block for The pressing block is movably hung in the step hole formed by the top sheet groove and the insertion hole along the first direction; The spring is arranged in the groove of the top piece and supported between the fixing plate and the top piece; Wherein, the lower surface of the pressing block protrudes from the lower surface of the mounting plate before die-cutting, and the protrusion height of the pressing block is not lower than the protrusion height of the blade on the mounting plate, and the lower surface of the pressing block The surface is gradually pressed back into the mounting plate as it is die cut until it is flush with the lower surface of the mounting plate. 2. The ring cutting die for wrinkle-prone materials as claimed in claim 1, characterized in that, the raised height of the pressing block on the mounting plate before die cutting is higher than that of the blade on the mounting plate bulge height. 3 . The ring cutting die for wrinkled materials according to claim 1 , wherein the mounting plate, the knife post, the knife edge and the connecting block are integral components. 4 . 4. The ring cutter die for wrinkle-prone materials according to claim 3, wherein the upper surface of the connecting block is flush with the upper surface of the mounting plate. 5 . The ring cutting die for wrinkle-prone materials as claimed in claim 1 , wherein the top sheet coincides with the centerline of the compact along the first direction. 5 . 6 . The ring cutting die for wrinkle-prone materials as claimed in claim 1 , wherein a round groove is opened at the bottom of the top sheet groove for just positioning and placing the spring. 6 . 7. The ring cutting die for wrinkle-prone materials according to claim 1, characterized in that, the top sheet and the pressing block are detachably connected by connecting bolts. 8 . The ring cutter die for wrinkled materials according to claim 1 , wherein the mounting plate is detachably fixed on the fixing plate by a plurality of fixing bolts. 9. The ring cutting die for easily wrinkled material as claimed in claim 8, wherein the head of each fixing bolt is arranged in the mounting plate, and the head of each fixing bolt is not Protrude the mounting plate. 10 . The ring cutting die for wrinkle-prone materials according to claim 1 , wherein the knife post and the blade are respectively provided with multiple groups for die-cutting multiple products at one time. 11 .

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