CN220658965U

CN220658965U - Three-hole stamping die

Info

Publication number: CN220658965U
Application number: CN202322222262.XU
Authority: CN
Inventors: 徐其山; 孙良
Original assignee: Taifu Special Steel Suspension Chengdu Co ltd
Current assignee: Taifu Special Steel Suspension Chengdu Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-26
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a three-hole stamping die, which comprises an upper die holder; the upper tool apron is arranged at the bottom end of the upper die holder and is detachably connected with the upper die holder; the bottom end of the upper tool apron is provided with a plurality of punches, and the punches are used for punching and cutting; a material beating seat; a striking plate; a plurality of connection posts; two guide posts. In the embodiment of the utility model, the strip-shaped holes are formed in the material beating plate on the material beating seat, meanwhile, the female die is arranged on the female die seat on the mounting body, and when the punch is used for punching and forming the punched materials with different hole pitches, only the female die with proper hole pitches is needed to be selected. The mounting base on the different lower templates does not need to be selected for different pitch processing requirements. Namely, punching bases with different hole pitches are not required to be prepared for standby according to the technological requirements of products. Namely, the defect of long production and debugging time of the three-hole die with different hole pitches in the prior art is effectively overcome.

Description

Three-hole stamping die

Technical Field

The utility model relates to the technical field of three-hole stamping dies, in particular to a die for three-hole stamping.

Background

The press die is a tool for press forming a metal plate material. It is generally composed of an upper die and a lower die, and is operated by a press machine or the like. Stamping dies are widely used in manufacturing industries for producing various metal products, such as automobile parts, home appliance accessories, electronic equipment housings, and the like. The stamping progress and the resetting work of the stamping die are provided by an external hydraulic system, and when stamping is performed, a proper stamping die is required to be selected according to the stamping height requirement.

The existing three-hole stamping die needs to prepare punching bases with different hole pitches for standby according to the technological requirements of products, so that the overall production debugging time is long, and the punching bases with different hole pitches need to be replaced for many times.

Disclosure of Invention

The utility model aims to solve the defect of long production and debugging time of three-hole dies with different hole pitches in the prior art, and provides a three-hole stamping die.

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

a three-hole stamping die, comprising:

an upper die holder;

the upper tool apron is arranged at the bottom end of the upper die holder and is detachably connected with the upper die holder;

the bottom end of the upper tool apron is provided with a plurality of punches, and the punches are used for punching and cutting;

the material beating seat is arranged at the bottom end of the upper die seat, and a working groove is formed in the center of the material beating seat in a penetrating manner;

the material beating plate is arranged at the bottom end of the material beating seat, and a plurality of material beating holes are formed in the material beating plate in a penetrating manner;

the connecting columns are arranged between the upper die base and the material beating base, and two ends of the connecting columns are respectively connected with the upper die base and the material beating base;

one end of each guide post penetrates through the material beating plate and is connected with the material beating plate in an up-and-down sliding manner;

the lower die holder is arranged at the bottom end of the material beating seat and is connected with the other ends of the two guide posts;

a mounting body, the mounting body comprising: the die comprises a lower tool apron, a die holder and a plurality of dies, wherein the lower tool apron and the die holder are sequentially stacked from bottom to top, and a plurality of punching holes are formed in the lower tool apron and the die holder in a penetrating manner;

the female dies are respectively arranged at punching holes on the female die holder.

In a possible embodiment, the punch hole, the die and the punch hole are coaxially arranged.

In a possible embodiment, the mold further comprises:

the plurality of resilience groups are arranged between the upper die base and the material beating base, and two ends of each resilience group are respectively connected with the upper die base and the material beating base in an abutting mode.

In a possible embodiment, the rebound group comprises:

the sleeving piece is arranged on the material beating seat in a penetrating manner, and the sleeving piece is fixedly connected with the top end of the material beating seat in an abutting manner;

one end of the elastic piece is sleeved on the sleeve joint piece, and the other end of the elastic piece penetrates through and extends to the top end of the upper die holder;

the cover plate is fixedly arranged on the top end of the upper die holder, and the bottom end of the cover plate is in butt joint with the other end of the elastic piece.

In a possible embodiment, the elastic member is a spring.

In a feasible embodiment, the upper die holder is provided with two mounting holes in a penetrating mode from top to bottom, the two mounting holes are symmetrically arranged, the upper die holder is provided with a guide sleeve in the two mounting holes, the guide sleeve is sleeved in the mounting holes, and the guide sleeve is sleeved with one end of the guide post.

In a possible embodiment, the mold further comprises:

the limiting columns are arranged at the top end of the material beating seat, distributed in a rectangular array along the working groove, and the height of each limiting column is smaller than or equal to the minimum compression height of the elastic piece.

In a possible embodiment, two ends of the connecting column are detachably connected with the upper die holder and the material beating base respectively.

The beneficial effects of the utility model are as follows:

in the embodiment of the utility model, the strip-shaped holes are formed in the material beating plate on the material beating seat, meanwhile, the female die is arranged on the female die seat on the mounting body, and when the punch is used for punching and forming the punched materials with different hole pitches, only the female die with proper hole pitches is needed to be selected. The mounting base on the different lower templates does not need to be selected for different pitch processing requirements. Namely, punching bases with different hole pitches are not required to be prepared for standby according to the technological requirements of products. Namely, the defect of long production and debugging time of the three-hole die with different hole pitches in the prior art is effectively overcome.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a three-hole stamping die according to an embodiment of the present utility model; the method comprises the steps of carrying out a first treatment on the surface of the

Fig. 2 is a schematic view (half cross-sectional view) of a three-hole stamping die according to an embodiment of the present utility model;

FIG. 3 is a schematic view (exploded view) of a three-hole stamping die part according to an embodiment of the present utility model;

fig. 4 is a schematic view (exploded view) of a three-hole stamping die punch according to an embodiment of the present utility model.

The labels in the figures are as follows:

1. an upper die holder; 11. a connector; 12. a cover plate; 13. a mounting hole; 131. a guide sleeve; 14. an upper tool apron; 141. a punch;

2. a material beating seat; 21. a connecting column; 22. a sliding sleeve; 23. a limit column; 24. a striking plate;

3. a lower die holder; 31. a guide post; 32. a mounting body; 321. a lower tool apron; 32. a female die holder; 3221. a female die;

4. a rebound group; 41. a socket; 42. an elastic member.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. 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 meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. 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 utility model.

Examples

Referring to fig. 1 to 4, in order to solve the disadvantage of long production and debugging time of three-hole dies with different hole pitches in the prior art, the present utility model provides a die for stamping, specifically, the die includes: the device comprises an upper die holder 1, a material beating base 2, a plurality of connecting columns 21, a lower die holder 3, two guide columns 31, a material beating plate 24, a mounting body 32 and an upper tool apron 14. The upper die holder 1 is provided with two mounting holes 13 in a penetrating mode up and down, and the two mounting holes 13 are symmetrically arranged. The upper tool apron 14 is arranged at the bottom end of the upper die holder 1, and the upper tool apron 14 is detachably connected with the upper die holder 1 through bolts. A plurality of punches 141 are mounted on the bottom end of the upper tool holder 14, and the punches 141 are used for performing punching cutting. The punching seat 2 is arranged at the bottom end of the upper die holder 1, a working groove (not shown in the figure) is formed in the central position of the punching seat 2 in a penetrating manner, the working groove is used for accommodating the punching punch 141 for punching, two sliding sleeves 22 are arranged on the punching seat 2, and the two sliding sleeves 22 are symmetrically arranged along the working groove. The material beating plate 24 is arranged at the bottom end of the material beating seat 2, a plurality of material beating holes are arranged on the material beating plate 24 in a penetrating manner, and the material beating holes are communicated with the working groove and are coaxial with the punch 141; the punching holes are bar-shaped holes, so that the punching head 141 can conveniently adjust punching positions of holes with different specification requirements in the bar-shaped holes. The connecting columns 21 are arranged between the upper die holder 1 and the material beating base 2, and two ends of the connecting columns 21 are respectively connected with the upper die holder 1 and the material beating base 2, wherein at least one end of each connecting column 21 is in threaded connection. I.e., either or both ends of the connecting post 21 may be screw-coupled to facilitate adjustment of the distance between the upper die holder 1 and the knockout base 2, i.e., adjustment of the press feed depth of the punch 141. One ends of the two guide posts 31 are respectively sleeved in the two sliding sleeves 22, and the two guide posts 31 are connected with the striking plate 24 in a vertical sliding manner through the sliding sleeves 22. The lower die holder 3 is arranged at the bottom end of the material beating base 2, and the lower die holder 3 is connected with the other ends of the two guide posts 31 so as to enable the lower die holder 3 to be connected with the upper die holder 1 and the material beating base 2 in a sliding manner, so that the punch 141 can punch the processed material on the lower die holder 3. The mounting body 32 is disposed on the lower die holder 3, and the mounting body 32 is disposed below the working groove, and the mounting body 32 is used for mounting a punched material, so that the punching seat 2 drives the upper die holder 1 to punch the punched material on the mounting body 32 by the punch 141 on the upper die holder 14. Wherein the mounting body 32 includes: the lower tool post 321, the die holder 322 and a plurality of dies 3221, lower tool post 321 the die holder 322 is from lower supreme range upon range of setting in proper order, lower tool post 321 die holder 322 runs through from top to bottom and is provided with a plurality of punching holes (namely lower tool post 321 the coaxial setting of punching hole on the die holder 322). The female dies 3221 are in a circular sleeve shape, the female dies 3221 are respectively arranged at punching holes on the female die holder 322, and the female dies 3221 and the punch 141 are arranged coaxially, so that punched materials can be punched by the punch 141 and then enter the female dies 3221. In this embodiment, the strip-shaped hole is formed in the striking plate 24 on the striking plate seat 2, and meanwhile, the female die 3221 is arranged on the female die holder 322 on the mounting body 32, and when the punch 141 performs press forming on the punched material required by processing with different hole pitches, only the female die 3221 with a proper hole pitch needs to be selected. The mounting base on the different lower templates does not need to be selected for different pitch processing requirements. Namely, punching bases with different hole pitches are not required to be prepared for standby according to the technological requirements of products. Namely, the defect of long production and debugging time of the three-hole die with different hole pitches in the prior art is effectively overcome. In this embodiment, the pitch of the female die 3221 is required to be equal to or smaller than the pitch of the punching holes on the lower tool holder 321 and the female die holder 322. In addition, in this embodiment, in order to facilitate the discharge of the punched scrap, the punching holes on the lower tool holder 321 and the die holder 322 penetrate to the bottom end of the lower die holder 3.

Referring to fig. 1 and 3, in this embodiment, in order to facilitate adjustment of the feeding position of the punch 141 on the upper die holder 1, the die further includes: the resilience group 4 is arranged between the upper die holder 1 and the material beating base 2, two ends of the resilience group 4 are respectively connected with the upper die holder 1 and the material beating base 2 in an abutting mode, and the resilience group 4 is used for matching with the connecting column 21 to adjust the depth of the punch 141. By arranging the rebound group 4 and the connecting column 21 on the punching seat 2 between the upper die holder 1 and the lower die holder 3, the distance between the punching seat 2 and the lower die holder 3 is fixed, and at the moment, the distance between the upper die holder 1 and the punching seat 2 is adjusted through the rebound group 4 and the connecting column 21, so that the feeding depth of the punch 141 can be accurately controlled, the installation position of the punch 141 on the upper die holder 1 is not required to be adjusted, and the situation that the punch 141 is not installed in place due to repeated tool adjusting operation is avoided.

In this embodiment, a plurality of the rebound groups 4 are disposed between the upper die holder 1 and the knockout base 2, and a plurality of the rebound groups 4 are distributed in a rectangular array between the upper die holder 1 and the knockout base 2. For ease of description of the rebound groups 4, one rebound group 4 is illustrated. Specifically, one of the rebound groups 4 includes: socket 41, cover plate 12 and elastic member 42. The sleeve connection piece 41 is arranged on the material beating seat 2 in a penetrating mode, and the sleeve connection piece 41 is fixedly connected with the top end of the material beating seat 2 in an abutting mode. One end of the elastic member 42 is sleeved on the sleeve member 41, and the other end of the elastic member 42 extends to the top end of the upper die holder. The cover plate 12 is fixedly arranged at the top end of the upper die holder, and the bottom end of the cover plate 12 is abutted against the other end of the elastic piece 42, so that the elastic piece 42 is mounted between the upper die holder and the striking plate 24 in a limited manner, and the feeding depth of the punch 141 can be adjusted by matching with the connecting column 21. In one possible embodiment, the resilient member 42 is a spring.

In this embodiment, in order to facilitate connection between the external hydraulic system and the die and provide a punching force, the upper die holder 1 is further provided with a connector 11, the connector 11 is disposed at the top end of the upper die holder 1, and the connector 11 is detachably connected with the upper die holder 1 through a bolt. In this embodiment, in order to ensure that the pressing force on the die is consistent with the machining direction, the connecting head 11 is located at the center of the top end of the upper die holder 1. Namely, the upper die holder 1, the connector 11, the knockout base 2, and the mounting body 32 on the lower die holder 3 are coaxially arranged. Namely, the connecting head 11, the punch 141 (not shown in the drawing) located at the bottom end of the upper die holder 1, the punching hole, the female die 3221, and the punching hole (for mounting the processing material) on the lower die are coaxial. In this embodiment, in order to further ensure the coaxial effect of the upper die holder 1, the knockout holder 2 and the lower die holder 3, the upper die holder 1 is provided with guide sleeves 131 in the two mounting holes 13, the guide sleeves 131 are sleeved in the mounting holes 13, and the guide sleeves 131 are sleeved with one end of the guide post 31. When the upper die holder 1 and the material punching seat 2 perform punching by feeding the punch 141 close to the mounting body 32 on the lower die holder 3, at this time, one end of the guide post 31 far away from the lower die holder 3 can be sleeved in the guide sleeve 131, so that the accuracy of the feeding position of the punch 141 is further enhanced.

In this embodiment, to further prevent the punch 141 from being excessively punched at the adjustment position, the die further includes: the limiting columns 23 are arranged at the top end of the material beating base 2, the limiting columns 23 are distributed in a rectangular array along the working grooves, and the height of the limiting columns 23 is smaller than or equal to the minimum compression height of the elastic piece 42. That is, in this embodiment, in order to prevent the excessive stamping of the adjustment position of the punch 141, when the distance between the upper die holder 1 and the punch holder 2 is adjusted, by providing a plurality of limiting posts 23, when the distance between the upper die holder 1 and the punch holder 2 is adjusted to be reduced, the rebound group 4 is compressed until the compression height of the elastic member 42 is minimum, and at this time, the heights of the elastic member 42 and the limiting posts 23 are identical, on one hand, the elastic member 42 can be effectively prevented from being compressed excessively. On the other hand, too low a position of punch 141 is prevented.

In this embodiment, in order to facilitate adjustment and maintenance of the space between the upper die holder 1 and the knockout seat 2, two ends of the connecting post 21 are detachably connected to the upper die holder 1 and the knockout seat 2, respectively. Preferably, the two ends of the connecting column 21 are bolts or screws.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A three-hole stamping die, comprising:

an upper die holder;

2. The three-hole stamping die according to claim 1, wherein the punch, the punch hole, the die, and the punch hole are coaxially arranged.

3. A three-hole stamping die as defined in claim 2, further comprising:

4. A three-hole stamping die as defined in claim 3, wherein said rebound group comprises:

5. The three-hole stamping die as defined in claim 4, wherein the elastic member is a spring.

6. The three-hole stamping die according to any one of claims 1 to 5, wherein two mounting holes are formed in the upper die holder in a vertically penetrating manner, the two mounting holes are symmetrically formed in the upper die holder, a guide sleeve is arranged in the two mounting holes, the guide sleeve is sleeved in the mounting holes, and the guide sleeve is sleeved with one end of the guide post.

7. A three-hole stamping die as defined in claim 4 or 5, further comprising:

8. The three-hole stamping die according to claim 1, wherein two ends of the connecting column are detachably connected with the upper die holder and the material stamping holder respectively.