CN210280373U

CN210280373U - Simplified punching die

Info

Publication number: CN210280373U
Application number: CN201920986223.8U
Authority: CN
Inventors: 李金涛; 阮红超; 陈龙; 赖亮; 王秀林; 黄强; 卓文武
Original assignee: Shiyan Zhuohuan Auto Parts Co ltd
Current assignee: Shiyan Zhuohuan Auto Parts Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-10
Anticipated expiration: 2029-06-28

Abstract

The utility model provides a simplified punching die, which comprises a die shank, a die shank through hole, a die shank barrel, a circumferential position control hole, an upper die plate, a connecting rod, an auxiliary screw hole, a punch fixing plate, a punch, a female die, a bottom plate and a threaded cover; four groups of die handles are provided with four groups of die handle through holes; four groups of auxiliary screw holes are formed in the periphery of the top of the upper template, and the upper template is inserted into the auxiliary screw holes through the through holes of the die shank through screws and is connected with the die shank in a positioning mode; four groups of through holes are formed in the periphery of the middle of the upper template; four groups of punch fixing plates are provided with four groups of screw holes, and the middle of each punch fixing plate is provided with a T-shaped hole; the die handle barrel and the connecting rod are arranged, so that dual functions are provided for assembling the die handle and the upper die plate, the stress resistance of the die is effectively increased, the punching is facilitated, the circumferential position control holes are formed in the die handle barrel, the fixed die handle barrel is convenient to align, mechanical equipment is matched to use, and the flexibility, practicability and installation applicability of the die are improved.

Description

Simplified punching die

Technical Field

The utility model belongs to the technical field of the automobile manufacturing industry, more specifically say, in particular to simplify cut-out press.

Background

In the automobile industry, parts which cannot meet actual use requirements (particularly hole requirements) often appear during later loading, so that the requirement is met by modifying a mold or adding a corresponding simple mold at the later stage; however, the modification of some parts on the original mold cannot realize the content of the new process, and in such a case, the mold is required to be newly developed.

Based on the above, the existing punching die which is commonly used is a standard punching die with a die frame, the structure is complex, the cost is high, the product price is high, and the competitive advantage is not provided; in addition, some products are trial-produced at present, the previous items are not finished, the loss is caused by adopting the mould of the standard mould frame, the loss is not compensated, the manufacturing period of the standard mould is long, and the processing cost is high.

In view of the above, the present invention provides a simplified punching die to achieve a more practical purpose by improving the existing structure and defects.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a simplified punching die, which is a standard punching die with a die frame, and has the disadvantages of complicated structure, high cost, high product price and no competitive advantage, and is provided with a conventional punching die in the background art; in addition, some products are trial production, the previous items are not finished, the loss and the unreliability are caused by adopting the mould of the standard mould frame, the manufacturing period of the standard mould is long, and the processing cost is high.

The utility model relates to a simplify cut-out press's purpose and efficiency, reached by following concrete technical means:

a simplified punching die comprises a die shank, a die shank through hole, a die shank barrel, a circumferential position control hole, an upper die plate, a connecting rod, an auxiliary screw hole, a punch fixing plate, a punch, a female die, a bottom plate and a threaded cover; four groups of die handles are provided with four groups of die handle through holes; four groups of auxiliary screw holes are formed in the periphery of the top of the upper template, and the upper template is inserted into the auxiliary screw holes through the through holes of the die shank through screws and is connected with the die shank in a positioning mode; four groups of through holes are formed in the periphery of the middle of the upper template; four groups of punch fixing plates are provided with four groups of screw holes, and the middle of each punch fixing plate is provided with a T-shaped hole; the punch is movably arranged in the middle of the T-shaped hole of the punch fixing plate in a clearance fit mode, and the punch fixing plate is fixedly connected with the upper die plate through bolts.

Furthermore, a connecting rod is integrally arranged in the middle of the top of the upper template, and the outer end of the top of the connecting rod is of a threaded structure; the middle of the top of the die handle is integrally provided with a die handle cylinder, and the connecting rod can pass through the die handle cylinder and is fixedly arranged in the middle of the top of the die handle through a threaded cover.

Furthermore, four groups of circumferential position control holes are formed in the periphery of the die handle barrel, and the height of each circumferential position control hole is higher than that of the corresponding position after the threaded cover is installed.

Furthermore, a T-shaped hole is formed in the inner side of the female die, and a through hole with the diameter the same as that of the wide end of the T-shaped hole of the female die is formed in the middle of the bottom plate; the unilateral clearance of the positioning part at the bottom of the punch is 0.01-0.02mm, and three section circles of the positioning part of the punch, the punch and the female die are concentric circles.

Furthermore, the female die is fixedly connected with the bottom plate through screws on the periphery of the bottom, and four groups of positioning through holes are formed on the periphery of the bottom plate; an annular groove is formed in the middle of the bottom plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

the die handle barrel and the connecting rod are arranged, so that dual functions are provided for assembling the die handle and the upper die plate, the stress resistance of the die is effectively increased, the punching is facilitated, the circumferential position control holes are formed in the die handle barrel, the fixed die handle barrel is convenient to align, mechanical equipment is matched to use, and the flexibility, practicability and installation applicability of the die are improved.

The assembly structure of mould is simple, and used material is less, has lower manufacturing cost for the product price provides the decline space, and the less portable of mould size, and the built-up member of mould is the spare part, can dismantle completely, conveniently carries the transportation, and processing and development are all simple and practical, and the working costs is low to, the used punch press tonnage of mould is little, practices thrift the kinetic energy loss.

Drawings

Fig. 1 is a schematic perspective sectional view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic diagram of a partially enlarged structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. the die comprises a die handle, 101, a die handle through hole, 102, a die handle cylinder, 103, a circumferential position control hole, 2, an upper die plate, 201, a connecting rod, 202, an auxiliary screw hole, 3, a punch fixing plate, 4, a punch, 5, a female die, 6, a bottom plate, 7 and a threaded cover.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 3:

the utility model provides a simplified punching die, which comprises a die shank 1, a die shank through hole 101, a die shank barrel 102, a circumferential position control hole 103, an upper die plate 2, a connecting rod 201, an auxiliary screw hole 202, a punch fixing plate 3, a punch 4, a female die 5, a bottom plate 6 and a threaded cover 7; four groups of the die handles 1 are provided with four groups of die handle through holes 101; four groups of auxiliary screw holes 202 are formed in the periphery of the top of the upper template 2, and the upper template 2 penetrates through the die shank through hole 101 through screws and is inserted into the auxiliary screw holes 202 to be connected with the die shank 1 in a positioning mode; four groups of through holes are formed in the periphery of the middle of the upper template 2; four groups of the punch fixing plates 3 are provided with four groups of screw holes, and a T-shaped hole is formed in the middle of each punch fixing plate 3; the punch 4 is movably arranged in the middle of the 3T-shaped hole of the punch fixing plate through clearance fit, and the punch fixing plate 3 is fixedly connected with the upper die plate 2 through bolts.

The middle of the top of the upper template 2 is integrally provided with a connecting rod 201, and the outer end of the top of the connecting rod 201 is of a threaded structure; the middle of the top of the die handle 1 is integrally provided with a die handle cylinder 102, the connecting rod 201 can pass through the die handle cylinder 102 and is fixedly arranged in the middle of the top of the die handle 1 through a threaded cover 7, and a reinforcing function is provided for the connection of the die handle 1 and the upper die plate 2 through the die handle cylinder 102 and the connecting rod 201.

Four groups of circumferential position control holes 103 are formed in the periphery of the die handle cylinder 102, the height of each circumferential position control hole 103 is higher than that of the corresponding position after the threaded cover 7 is installed, and flexible splicing matching functions are provided for the die handle through the position control holes 103.

Wherein, the inner side of the female die 5 is provided with a T-shaped hole, and the middle of the bottom plate 6 is provided with a through hole with the same diameter as the wide end of the T-shaped hole of the female die 5; the unilateral clearance of the bottom positioning part of the punch 4 is 0.01-0.02mm, three section circles of the positioning part of the punch 4, the punch 4 and the female die 5 are concentric circles, and the punch 4 and the female die 5 are arranged to provide a clamping and debugging function for punching.

The female die 5 is fixedly connected with the bottom plate 6 through screws on the periphery of the bottom, and four groups of positioning through holes are formed on the periphery of the bottom plate 6; the middle of the bottom plate 6 is provided with an annular groove, and auxiliary convenience is provided for installation of the bottom plate 6 through the annular groove.

The specific use mode and function of the embodiment are as follows:

in the utility model, four groups of die shank through holes 101 are arranged on four groups of die shanks 1, four groups of auxiliary screw holes 202 are arranged around the top of an upper die plate 2, the upper die plate 2 passes through the die shank through holes 101 through screws and is inserted into the auxiliary screw holes 202, the die shank 1 is positioned and connected, four groups of through holes are arranged around the middle of the upper die plate 2, four groups of screw holes are arranged on four groups of punch fixing plates 3, T-shaped holes are arranged in the middle of the punch fixing plates 3, a punch 4 is movably arranged in the middle of the 3T-shaped holes of the punch fixing plates through clearance fit, and the punch fixing plates 3; a connecting rod 201 is integrally arranged in the middle of the top of the upper template 2, a die handle cylinder 102 is integrally arranged in the middle of the top of the die handle 1, and the connecting rod 201 penetrates through the die handle cylinder 102 and is fixedly arranged in the middle of the top of the die handle 1 through a threaded cover 7; four groups of circumferential position control holes 103 are formed in the periphery of the die shank cylinder 102, and the height of the circumferential position control holes 103 is higher than that of the position after the threaded cover 7 is installed; a T-shaped hole is formed in the inner side of the female die 5, through holes with the same diameter as the wide ends of the T-shaped hole of the female die 5 are formed in the middle of the bottom plate 6, the bottom plate 6 of the female die 5 is fixedly connected with the positioning part of the punch 4 through screws on the periphery of the bottom, and four groups of positioning through holes are formed on the periphery of the bottom plate 6; an annular groove is formed in the middle of the bottom plate 6; when adjusting the die, inserting the die positioning part at the middle part of the punch 4 into the die 5, wherein a single side only has a gap of 0.02-0.03 and is basically in a concentric circle state after contacting; after the mold is clamped, the upper mold is lifted, in the punching working process, a knife edge of the punch 4 is in contact with the female mold 5, the mold is convenient to adjust and has no burrs, when the mold is placed on a frame of equipment, a female mold positioning part on the punch 4 is firstly inserted into the female mold 5 for clamping and debugging, the smaller single side of the fit clearance between the positioning part of the punch 4 and the female mold 5 is 0.01-0.02, the clearance between the punch 4 and the female mold 5 is determined according to the material of a plate, for example, the single side clearance is 0.15mm when the material thickness is 3mm, and after the clamping is finished, the female mold 5 positioning part of the punch 4 is lifted upwards. Three section circles of the punch 4, the punch 4 and the female die 5 are concentric circles, so that punched product holes are basically free of burrs, the product holes are debugged to the working part of the punch 4 and are normally contacted with the female die 5, and unnecessary materials can be punched.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A simplified punching die is characterized in that: the simplified punching die comprises a die shank (1), a die shank through hole (101), a die shank barrel (102), a circumferential position control hole (103), an upper die plate (2), a connecting rod (201), an auxiliary screw hole (202), a punch fixing plate (3), a punch (4), a female die (5), a bottom plate (6) and a threaded cover (7); four groups of the die handles (1) are provided with four groups of die handle through holes (101); four groups of auxiliary screw holes (202) are formed in the periphery of the top of the upper template (2), and the upper template (2) penetrates through the die shank through hole (101) through a screw to be inserted into the auxiliary screw holes (202) to be connected with the die shank (1) in a positioning mode; four groups of through holes are formed in the periphery of the middle of the upper template (2); four groups of the punch fixing plates (3) are provided with four groups of screw holes, and a T-shaped hole is formed in the middle of each punch fixing plate (3); the punch (4) is movably arranged in the middle of the T-shaped hole of the punch fixing plate (3) through clearance fit, and the punch fixing plate (3) is fixedly connected with the upper template (2) through a bolt.

2. The simplified punch die of claim 1, wherein: the middle of the top of the upper template (2) is integrally provided with a connecting rod (201), and the outer end of the top of the connecting rod (201) is of a threaded structure; the middle of the top of the die handle (1) is integrally provided with a die handle cylinder (102), and the connecting rod (201) can pass through the die handle cylinder (102) and be fixedly arranged in the middle of the top of the die handle (1) through a threaded cover (7).

3. The simplified punch die of claim 1, wherein: four groups of circumferential position control holes (103) are formed in the periphery of the die handle cylinder (102), and the height of each circumferential position control hole (103) is higher than the height of the threaded cover (7).

4. The simplified punch die of claim 1, wherein: a T-shaped hole is formed in the inner side of the female die (5), and a through hole with the same diameter as the wide end of the T-shaped hole of the female die (5) is formed in the middle of the bottom plate (6); the unilateral clearance of the positioning part at the bottom of the punch (4) is 0.01-0.02mm, and three section circles of the positioning part of the punch (4), the punch (4) and the female die (5) are concentric circles.

5. The simplified punch die of claim 1, wherein: the female die (5) is fixedly connected with the bottom plate (6) through screws on the periphery of the bottom, and four groups of positioning through holes are formed on the periphery of the bottom plate (6); an annular groove is formed in the middle of the bottom plate (6).