CN220901607U

CN220901607U - Punching jig

Info

Publication number: CN220901607U
Application number: CN202322642192.3U
Authority: CN
Inventors: 胡钊
Original assignee: Dongguan Hua Precision Technology Co ltd
Current assignee: Dongguan Hua Precision Technology Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-07
Anticipated expiration: 2033-09-27

Abstract

The utility model provides a die-cut tool for die-cut steel sheet of connecting the mainboard support, including last mould and lower mould, the last mould includes the cope match-plate pattern, the lower mould includes the lower bolster, the cope match-plate pattern activity sets up the top at the lower bolster, the upper surface of lower bolster is equipped with the holding tank of holding mainboard support and the die-cut groove of the holding steel sheet that the intercommunication holding tank set up, die-cut groove runs through the upper surface and the lower surface of lower bolster, the lower mould is still including the cylinder that has the loose end, the cylinder is installed on the lower bolster, the loose end of cylinder stretches into die-cut inslot, die-cut cutter is installed to the lower surface of cope match-plate pattern corresponding die-cut groove, during the use, the mainboard support is placed in the holding tank, the steel sheet is placed in die-cut inslot, go up mould downwardly closed lower mould, die-cut mainboard support and the junction of steel sheet are supported to the loose end of cylinder makes it break away from the mainboard support completely. The utility model has simple structure and convenient operation, and can effectively prevent the steel sheet from being unable to be completely separated from the main board bracket after punching.

Description

Punching jig

Technical Field

The utility model relates to a jig, in particular to a punching jig.

Background

The injection molding process is a common production and manufacturing mode and is widely applied to various industries. The metal and plastic injection molding combining process combines the metal material and the plastic material, so that the product has the strength of metal and the plasticity of plastic, is greatly favored by the industry, and is increasingly applied to production and manufacture.

The problem of the metal and plastic injection molding combination process at the present stage is that redundant metal auxiliary materials can be generated, and the redundant metal auxiliary materials need to be cut off in the subsequent processing procedure. Preferably, each manufacturer cuts the redundant metal auxiliary materials through machine punching.

However, after the punching is completed, the metal auxiliary materials with a certain proportion exist in the punching jig in the prior art, so that the metal auxiliary materials cannot be completely separated from the metal and plastic combined product, the production yield is low, and additional staff are required to separate the metal auxiliary materials, so that the manufacturing enterprises are greatly puzzled.

Disclosure of utility model

The utility model aims to provide the punching jig which is simple in structure and convenient to operate, and can effectively prevent the steel sheet from being unable to be completely separated from the main board bracket after punching.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The die-cutting jig is used for die-cutting steel sheets connected with a main board bracket and comprises an upper die and a lower die, wherein the upper die comprises an upper die plate, the lower die comprises a lower die plate, the upper die plate is movably arranged above the lower die plate, the upper surface of the lower die plate is provided with a containing groove for containing the main board bracket and a die-cutting groove for containing the steel sheets, the die-cutting groove penetrates through the upper surface and the lower surface of the lower die plate, the lower die further comprises a cylinder with a movable end, the cylinder is arranged on the lower die plate, the movable end of the cylinder stretches into the die-cutting groove, the lower surface of the upper die plate is provided with a die-cutting cutter corresponding to the die-cutting groove,

When the die-cutting device is used, the main board support is placed in the accommodating groove, the steel sheet is placed in the punching groove, the upper die is downwards closed to the lower die, the punching cutter is used for punching the joint of the main board support and the steel sheet, and the movable end of the air cylinder is propped against the steel sheet to enable the steel sheet to be separated from the main board support.

Further, the lower die further comprises a sliding block, the sliding block is movably arranged in the punching groove, and the movable end of the air cylinder drives the sliding block to slide up and down.

Further, the lower die further comprises a pushing block, the pushing block is provided with an inclined surface, the sliding block is provided with a pushing surface, the pushing block is fixed at the movable end of the air cylinder, and the inclined surface is in butt joint with the pushing surface.

Further, the lower die further comprises a die core, the die core is arranged on the upper surface of the lower die plate, and the accommodating groove and the punching groove communicated with the accommodating groove are arranged on the die core.

Further, the upper die further comprises a plurality of pressing columns, and the plurality of pressing columns press the main board support and the steel sheet.

Further, the upper die further comprises a fixed block, the fixed block is mounted on the lower surface of the upper die plate, and the pressing column and the punching cutter are mounted on the fixed block and extend out of the fixed block downwards.

Further, the lower die further comprises a plurality of guide posts, the guide posts are arranged at intervals on the periphery of the lower die plate, the upper die plate is provided with a plurality of guide holes corresponding to the guide posts, and the guide posts are movably arranged in the guide holes.

Further, the upper die further comprises a plurality of positioning columns, the positioning columns are arranged on the periphery of the upper die plate at intervals, the lower die plate is provided with a plurality of positioning holes corresponding to the positioning columns, and the positioning columns are movably arranged in the positioning holes.

Further, the upper die further comprises a plurality of limiting columns, and the plurality of limiting columns are arranged on the lower surface of the upper die plate at intervals.

Further, the upper die comprises an upper connecting plate, the lower die comprises a lower connecting plate, the upper connecting plate is arranged on the upper surface of the upper die plate, the lower connecting plate is arranged on the lower surface of the lower die plate, and the upper connecting plate and the lower connecting plate are fixedly connected with the punching machine table.

The punching jig is simple in structure and convenient to operate, and can effectively prevent the steel sheet from being unable to be completely separated from the main board bracket after punching, so that the yield of products is greatly improved.

Drawings

Fig. 1 is a perspective view of a die-cutting jig according to the present utility model.

Fig. 2 is a perspective view of another angle of a die-cutting jig according to the present utility model.

Fig. 3 is a perspective view of a lower die of a punching jig according to the present utility model.

Fig. 4 is a perspective view of an upper die of a punching jig according to the present utility model.

Fig. 5 is a cross-sectional view of a die-cutting jig according to the present utility model.

Fig. 6 is an enlarged view of a portion of the die-cutting jig shown in fig. 5.

Fig. 7 is a perspective view of a slide block of the die-cutting jig shown in fig. 6.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1-5, a die-cutting jig 100 according to the present utility model is used for die-cutting a steel sheet 201 connected to a motherboard bracket 200, and includes a lower die 10 and an upper die 20 movably disposed above the lower die 10.

Wherein the lower die 10 includes a lower die plate 11 and a lower connection plate 12. The lower connection plate 12 is mounted on the lower surface of the lower die plate 11. The upper surface of the lower template 11 is provided with an accommodating groove 131 for accommodating the main board bracket 200 and a punching groove 132 for accommodating the steel sheet, which is arranged in communication with the accommodating groove 131. And the die-cut groove 132 penetrates the upper and lower surfaces of the lower die plate 11.

In more detail, the lower mold 10 further includes a mold core 13. The die core 13 is mounted on the upper surface of the lower die plate 11. The receiving groove 131 and the punching groove 132 provided to communicate with the receiving groove 131 are provided on the die core 13. The punching groove 132 penetrates the lower die plate 11 and the die core 13.

The lower die 10 also includes a cylinder 19 having a movable end. The cylinder 19 is mounted on the lower die plate 11. The movable end of the cylinder 19 extends into the die cut groove 132.

Referring to fig. 3 and 5-7, the lower die 10 further includes a pushing block 16, a sliding block 17 and a fixing post 18. The pushing block 16 is fixed at the movable end of the cylinder 19. The pushing block 16 is provided with a pushing surface 161. The sliding block 17 is movably arranged in the punching groove 132. The movable end of the cylinder 19 drives the sliding block 17 to slide up and down. In more detail, the slider 17 is provided with an inclined surface 171 and a fixing hole 172. The inclined surface 171 is disposed in contact with the pushing surface 161. The fixing post 18 is mounted on the lower die plate 11, and the upper end of the fixing post 18 is protruded into the punching groove 132. Further, the upper end of the fixed post 18 is movably disposed in the fixed hole 172 of the sliding block 17.

The main board support 200 is further provided with a support hole, and the fixing post 18 is fixed in the support hole, for fixing the main board support 200, so as to prevent the main board support 200 from being die-cut and scrapped due to position deviation of the main board support 200.

When the movable end of the air cylinder 19 extends, the movable end of the air cylinder 19 drives the pushing block 16 to move away from the air cylinder 19, the pushing surface 161 of the pushing block 16 acts on the inclined surface 171 of the sliding block 17, the sliding block 17 moves along the fixed column 18 under the pushing force of the pushing block 16, and finally the pushing block 16 pushes the sliding block 17 to move upwards and to abut against the steel sheet 201.

When the movable end of the cylinder 19 is retracted, the movable end of the cylinder 19 drives the pushing block 16 to move in a direction approaching the cylinder 19, and at this time, the sliding block 17 moves downwards along the fixed column 18 and returns to its original position under the action of gravity.

The upper die 20 includes an upper die plate 21 and an upper connecting plate 22. The upper connection plate 22 is mounted on the upper surface of the upper die plate 21. The upper die plate 21 is movably disposed above the lower die plate 11. The lower surface of the upper die plate 21 is provided with a punching tool 27 corresponding to the punching groove 132.

In this embodiment, the upper connecting plate 22 and the lower connecting plate 12 are fixedly connected to a press table. The press stand controls the upper die 20 and the lower die 10 to perform die opening and closing operations.

The upper die 20 further comprises a fixing block 25 and a plurality of pressing posts 23. The fixing block 25 is mounted on the lower surface of the upper die plate 21. In more detail, the press-fit posts 23 and the punching tool 27 are mounted on the fixed block 25 and protrude downward from the fixed block 25. The pressing posts 23 are used for pressing and fixing the motherboard bracket 200 and the steel sheet 201.

Referring to fig. 3 and 4, the lower die 10 further includes a plurality of guide posts 14, and the plurality of guide posts 14 are disposed at intervals around the lower die plate 11. The upper template 21 is provided with a plurality of guide holes 281 corresponding to a plurality of guide posts 14, and the guide posts 14 are movably disposed in the guide holes 281. More specifically, the upper die 20 further includes an upper bushing 28, the upper bushing 28 is mounted in the guide hole 281, and the guide post 14 is movably disposed in the guide hole 281 through the upper bushing 28.

With continued reference to fig. 3 and 4, the upper die 20 further includes a plurality of positioning columns 24, and the plurality of positioning columns 24 are disposed at intervals around the lower die plate 11. The lower template 11 is provided with a plurality of positioning holes 151 corresponding to the positioning columns 24, and the positioning columns 24 are movably arranged in the positioning holes 151. More specifically, the lower die 10 further includes a lower shaft sleeve 15, the lower shaft sleeve 15 is installed in the positioning hole 151, and the positioning column 24 is movably disposed in the positioning hole 151 through the lower shaft sleeve 15.

By the cooperation of the guide posts 14 and the guide holes 281, and the cooperation of the positioning posts 24 and the positioning holes 151, the upper and lower molds 20 and 10 can be ensured to move on a fixed track, so that the accuracy of opening and closing the upper and lower molds 20 and 10 can be ensured.

Referring to fig. 1 and 4, the upper die 20 further includes a plurality of limiting posts 26. The plurality of limiting posts 26 are disposed on the lower surface of the upper die plate 21 at intervals. The length of the limit posts 26 is less than the length of the positioning posts 24 and the length of the guide posts 14. When the die is closed, the distance between the lower surface of the upper die plate 21 and the upper surface of the lower die plate 11 is equal to the length of the limiting post 26, so that the main board support 200 is effectively prevented from being crushed due to the too small distance between the upper die 20 and the lower die 10 when the die is closed, and even the die cutting jig 100 is scrapped.

When the utility model is used, the main board bracket 200 is firstly placed in the accommodating groove 131 of the die core 13 of the lower die 10, and the fixing column 18 is fixed in the fixing hole of the main board bracket 200; at this time, the steel sheet 201 is correspondingly accommodated in the punching groove 132, the upper die 20 closes the lower die 10 downward, and the punching tool 27 of the upper die 20 punches the connection part between the main board support 200 and the steel sheet 201 downward and cuts the main board support 200 and the steel sheet 201; then, the cylinder 19 starts to work, and the pushing block 16 fixed at the movable end of the cylinder 19 pushes the sliding block 17 of the lower die 10, so that the sliding block 17 is propped against the steel sheet 201 upwards to be separated from the main board bracket 200; finally, the upper die 20 separates the lower die 10 upward, the cylinder 19 and the slider 17 are reset, and the main plate holder 200 is taken out, so far, the punching operation is completed, and the next cycle operation is entered.

The punching jig 100 is simple in structure and convenient to operate, and can effectively prevent the steel sheet 201 from being unable to be completely separated from the main board bracket 200 after punching, so that the yield of products is greatly improved.

In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on," "disposed on" or "located on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.

In this document, unless specifically stated and limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", etc. refer to the directions or positional relationships based on those shown in the drawings, and are merely for clarity and convenience of description of the expression technical solution, and thus should not be construed as limiting the present application.

In this document, the use of the ordinal adjectives "first", "second", etc., to describe an element, is merely intended to distinguish between similar elements, and does not necessarily imply that the elements so described must be in a given sequence, or a temporal, spatial, hierarchical, or other limitation.

In this document, unless otherwise indicated, the meaning of "a plurality", "a number" is two or more.

In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a die-cut tool for die-cut steel sheet of connecting the mainboard support, its characterized in that, including upper mould and lower mould, the upper mould includes the cope match-plate pattern, the lower mould includes the lower bolster, the cope match-plate pattern activity sets up the top of lower bolster, the upper surface of lower bolster is equipped with the holding tank of holding mainboard support and intercommunication the holding that the holding tank set up the die-cut groove of holding steel sheet, the die-cut groove runs through the upper surface and the lower surface of lower bolster, the lower mould still includes the cylinder that has the expansion end, the cylinder is installed on the lower bolster, the expansion end of cylinder stretches into in the die-cut groove, the lower surface of cope match-plate pattern corresponds the die-cut cutter is installed to the die-cut groove,

When the die-cutting device is used, the main board support is placed in the accommodating groove, the steel sheet is placed in the punching groove, the upper die is downwards closed to the lower die, the punching cutter is used for punching the joint of the main board support and the steel sheet, and the movable end of the air cylinder is propped against the steel sheet to enable the steel sheet to be completely separated from the main board support.

2. The die-cutting jig of claim 1, wherein the lower die further comprises a sliding block movably disposed in the die-cutting groove, and the movable end of the cylinder drives the sliding block to slide up and down.

3. The die-cutting jig of claim 2, wherein the lower die further comprises a pushing block, the pushing block is provided with an inclined surface, the sliding block is provided with a pushing surface, the pushing block is fixed at the movable end of the cylinder, and the inclined surface is in abutting connection with the pushing surface.

4. The die-cutting jig of claim 1, wherein the lower die further comprises a die core, the die core is mounted on the upper surface of the lower die plate, and the receiving groove and the die-cutting groove communicating with the receiving groove are formed in the die core.

5. The die cutting jig of claim 1, wherein the upper die further comprises a plurality of press-fit posts, the plurality of press-fit posts press-fit the motherboard bracket and the steel sheet.

6. The die cutting jig of claim 5, wherein the upper die further comprises a fixing block mounted on a lower surface of the upper die plate, and the press stud and the die cutting tool are mounted on the fixing block and protrude downward from the fixing block.

7. The die-cutting jig of claim 1, wherein the lower die further comprises a plurality of guide posts, the plurality of guide posts are arranged on the periphery of the lower die plate at intervals, the upper die plate is provided with a plurality of guide holes corresponding to the plurality of guide posts, and the guide posts are movably arranged in the guide holes.

8. The die-cutting jig of claim 1, wherein the upper die further comprises a plurality of positioning columns, the plurality of positioning columns are arranged on the periphery of the upper die plate at intervals, the lower die plate is provided with a plurality of positioning holes corresponding to the plurality of positioning columns, and the positioning columns are movably arranged in the positioning holes.

9. The die-cutting jig of claim 1, wherein the upper die further comprises a plurality of limiting posts, and the plurality of limiting posts are arranged on the lower surface of the upper die plate at intervals.

10. The die cutting jig of claim 1, wherein the upper die comprises an upper connecting plate and the lower die comprises a lower connecting plate, the upper connecting plate is mounted on the upper surface of the upper die plate, the lower connecting plate is mounted on the lower surface of the lower die plate, and the upper connecting plate and the lower connecting plate are fixedly connected with a punching machine table.