CN215392064U

CN215392064U - Quick mould replacement device of high-precision numerical control punch press

Info

Publication number: CN215392064U
Application number: CN202121847452.5U
Authority: CN
Inventors: 吴俊宝; 高树清
Original assignee: Langfang Shuqing Electromechanical Equipment Co ltd
Current assignee: Langfang Shuqing Electromechanical Equipment Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-01-04
Anticipated expiration: 2031-08-09

Abstract

The utility model provides a rapid die replacement device of a high-precision numerical control punch. The technical scheme improves the fixing mechanism of the die innovatively, so that the die is installed and replaced more quickly and conveniently. Specifically, the lower end of the lower die holder is provided with a lower convex arm, and the lower convex arm is matched with a groove body at the upper end of the base; a cavity is arranged beside the groove body, a hinge with a spring is arranged in the cavity, a positioning rod and a guide rod are respectively arranged at two sides of the hinge, and the positioning rod and the guide rod are respectively matched with a positioning groove in the lower convex arm and a guide groove at the side of the cavity; based on the above configuration, the lower cam can be effectively fixed by controlling the hinge movement. By applying the utility model, the lower die can be replaced only by inserting the lower convex arm into the groove body and then moving the hinge to lock the lower convex arm, so that the operation is simple and convenient, the operation is quick and efficient, and meanwhile, the better stability is kept, and the using effect is good.

Description

Quick mould replacement device of high-precision numerical control punch press

Technical Field

The utility model relates to the technical field of machining, in particular to a quick die replacement device of a high-precision numerical control punch.

Background

The numerical control punch is a digital control punch for short, and is an automatic machine tool with a program control system. The control system is capable of logically processing a program having control codes or other symbolic instructions and decoding the program to operate the press to machine the part.

The numerical control punch can be used for processing various metal sheet parts, and can automatically finish various complex hole patterns and shallow drawing forming processing at one time (automatically process holes with different shapes and different hole distances according to requirements), can also use a small punch die to punch large round holes, square holes, waist-shaped holes and curve outlines with various shapes in a stepping mode, and can also carry out special process processing, such as shutters, shallow drawing, counter bores, flanging holes, reinforcing ribs, coining and the like). Through simple mould combination, for traditional punching press, saved a large amount of mould expenses, can use low-cost and short cycle processing small batch, diversified product, have great process range and throughput to in time adapt to the change of market with the product. In the prior art, a conventional die for a numerical control punch press is inconvenient to replace, and the time consumption is long when the die is replaced every time, so that the production efficiency is directly influenced.

Disclosure of Invention

The utility model aims to provide a quick die replacement device of a high-precision numerical control punch press aiming at the technical defects in the prior art so as to solve the technical problem that a conventional die is inconvenient to install and replace.

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

a quick die replacement device of a high-precision numerical control punch press comprises a driving arm, an upper die holder, a pressure spring, an upper die, a lower die holder, a base, a groove body, a lower convex arm, a cavity, a hinge, a spring, a positioning rod, a guide rod, a positioning groove and a guide groove, wherein the upper die holder is fixedly connected to the driving arm, the pressure spring is fixedly connected to the lower end of the upper die holder, the upper die is fixedly connected to the lower end of the pressure spring, the lower die is positioned below the upper die, the lower die holder is arranged at the lower end of the lower die, the groove body is arranged at the upper end of the base, the lower convex arm is arranged at the lower end of the lower die holder, the lower convex arm is inserted into the groove body, the cavity is arranged in the base and beside the groove body, the hinge is arranged in the cavity, the spring is connected between the hinge and the cavity, the positioning rod and the guide rod are respectively arranged at two sides of the hinge, the positioning groove is arranged at the side end of the lower convex arm, and the guide groove is arranged on the side wall of the cavity, the positioning rod is matched with the positioning groove, and the guide rod is matched with the guide groove.

Preferably, still include spacing and grab handle, wherein, the grab handle is connected on the hinge, and the grab handle stretches out to the base outside, fixedly connected with spacing on the outer wall of base, and spacing is located the upside and the downside of grab handle.

Preferably, the number of the compression springs is several, and the axes of the compression springs are parallel to each other.

Preferably, when the positioning rod is inserted into the positioning groove, the lower convex arm presses against the bottom end of the groove body.

Preferably, the device further comprises a lifting mechanism, and the driving arm is connected with the lifting mechanism.

In the technical scheme, the driving arm is used for driving the upper die holder to do lifting motion so as to execute stamping action; the upper die base is used for bearing an upper die; the pressure spring positioned between the upper die holder and the upper die ensures that certain elastic pressure is obtained during stamping; the specification of the upper die is matched with that of the lower die, and the upper die and the lower die are used for shaping a workpiece between the upper die and the lower die; the lower die base is used for bearing a lower die; the base is used for positioning the lower die base; the groove body on the base is used for inserting the lower convex arm of the lower die holder; the cavity is used for accommodating the hinge; the hinge controls the positioning rod feeding or the guide rod feeding through the movement of the hinge; the spring is used for playing a drawing role between the hinge and the cavity, so that the hinge keeps the positioning rod inserted into the positioning groove in a state without external force intervention; the positioning rod is matched with the positioning groove to position the lower convex arm, so that the lower die holder is stably fixed on the base; the cooperation of guide bar and guide way is used for making the motion of hinge obtain direction, stabilizing effect. In the preferred technical scheme, can further add spacing strip and grab handle externally, utilize spacing strip to play the restriction to the direction of motion of grab handle.

Drawings

FIG. 1 is a perspective view of the present invention in its entirety;

FIG. 2 is a half sectional view of the present invention as a whole;

FIG. 3 is a partial cross-sectional view of the present invention at the cavity;

FIG. 4 is a perspective view of a hinge according to the present invention;

in the figure:

1. actuating arm 2, upper die base 3, pressure spring 4, last mould

5. Lower die 6, lower die holder 7, base 8 and groove body

9. Lower convex arm 10, cavity 11, hinge 12 and spring

13. Positioning rod 14, guide rod 15, positioning groove 16 and guide groove

17. A limit strip 18 and a grab handle.

Detailed Description

Hereinafter, specific embodiments of the present invention will be described in detail. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

A rapid die replacement device of a high-precision numerical control punch press is shown in figures 1-4 and comprises a driving arm 1, an upper die base 2, a pressure spring 3, an upper die 4, a lower die 5, a lower die base 6, a base 7, a groove body 8, a lower convex arm 9, a cavity 10, a hinge 11, a spring 12, a positioning rod 13, a guide rod 14, a positioning groove 15 and a guide groove 16, wherein the driving arm 1 is fixedly connected with the upper die base 2, the lower end of the upper die base 2 is fixedly connected with the pressure spring 3, the lower end of the pressure spring 3 is fixedly connected with the upper die 4, the lower die 5 is positioned below the upper die 4, the lower die base 5 is provided with the lower die base 6, the upper end of the base 7 is provided with the groove body 8, the lower convex arm 9 is arranged at the lower end of the lower die base 6, the lower convex arm 9 is inserted into the groove body 8, the cavity 10 is arranged in the base 7 and positioned beside the groove body 8, the hinge 11 is arranged in the cavity 10, and the spring 12 is connected between the hinge 11 and the cavity 10, a positioning rod 13 and a guide rod 14 are respectively arranged at two sides of the hinge 11, a positioning groove 15 is arranged at the side end of the lower convex arm 9, a guide groove 16 is arranged on the side wall of the cavity 10, the positioning rod 13 is matched with the positioning groove 15, and the guide rod 14 is matched with the guide groove 16.

The device has the following structural characteristics: the driving arm 1 is used for driving the upper die holder 2 to do lifting motion so as to execute stamping action; the upper die base 2 is used for bearing an upper die 4; the pressure spring 3 positioned between the upper die holder 2 and the upper die 4 ensures that certain elastic pressure is generated during stamping; the specification of the upper die 4 is matched with that of the lower die 5, and the upper die and the lower die are used for shaping a workpiece between the upper die and the lower die; the lower die base 6 is used for bearing the lower die 5; the base 7 is used for positioning the lower die holder 6; the groove body 8 on the base 7 is used for inserting the lower convex arm 9 of the lower die holder 6; the cavity 10 is used for accommodating the hinge 11; the hinge 11 controls the positioning rod 13 feed or the guide rod 14 feed by its own movement; the spring 12 is used for playing a pulling role between the hinge 11 and the cavity 10, so that the hinge 11 keeps the positioning rod 13 inserted into the positioning groove 15 in a state without intervention of external force; the positioning rod 13 is matched with the positioning groove 15 to position the lower convex arm 9, so that the lower die holder 6 is stably fixed on the base 7; the cooperation of the guide bar 14 and the guide groove 16 serves to guide and stabilize the movement of the hinge 11.

Example 2

A rapid die replacement device of a high-precision numerical control punch press is shown in figures 1-4 and comprises a driving arm 1, an upper die base 2, a pressure spring 3, an upper die 4, a lower die 5, a lower die base 6, a base 7, a groove body 8, a lower convex arm 9, a cavity 10, a hinge 11, a spring 12, a positioning rod 13, a guide rod 14, a positioning groove 15 and a guide groove 16, wherein the driving arm 1 is fixedly connected with the upper die base 2, the lower end of the upper die base 2 is fixedly connected with the pressure spring 3, the lower end of the pressure spring 3 is fixedly connected with the upper die 4, the lower die 5 is positioned below the upper die 4, the lower die base 5 is provided with the lower die base 6, the upper end of the base 7 is provided with the groove body 8, the lower convex arm 9 is arranged at the lower end of the lower die base 6, the lower convex arm 9 is inserted into the groove body 8, the cavity 10 is arranged in the base 7 and positioned beside the groove body 8, the hinge 11 is arranged in the cavity 10, and the spring 12 is connected between the hinge 11 and the cavity 10, a positioning rod 13 and a guide rod 14 are respectively arranged at two sides of the hinge 11, a positioning groove 15 is arranged at the side end of the lower convex arm 9, a guide groove 16 is arranged on the side wall of the cavity 10, the positioning rod 13 is matched with the positioning groove 15, and the guide rod 14 is matched with the guide groove 16. Simultaneously, still include spacing strip 17 and grab handle 18, wherein, grab handle 18 is connected on hinge 11, and grab handle 18 stretches out to the base 7 outside, and fixedly connected with spacing strip 17 on the outer wall of base 7, spacing strip 17 is located the upside and the downside of grab handle 18. The number of the pressure springs 3 is multiple, and the axes of the pressure springs 3 are parallel to each other. When the positioning rod 13 is inserted into the positioning slot 15, the lower convex arm 9 is pressed against the bottom end of the groove body 8. The device also comprises a lifting mechanism, and the driving arm 1 is connected with the lifting mechanism. In the above technical scheme, the limiting strip 17 and the grab handle 18 are further added on the outside, and the limiting strip 17 is utilized to limit the movement direction of the grab handle 18.

The embodiments of the present invention have been described in detail, but the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model. Any modification, equivalent replacement, and improvement made within the scope of the application of the present invention should be included in the protection scope of the present invention.

Claims

1. A rapid die replacement device of a high-precision numerical control punch press is characterized by comprising a driving arm (1), an upper die base (2), a pressure spring (3), an upper die (4), a lower die (5), a lower die base (6), a base (7), a groove body (8), a lower convex arm (9), a cavity (10), a hinge (11), a spring (12), a positioning rod (13), a guide rod (14), a positioning groove (15) and a guide groove (16), wherein the driving arm (1) is fixedly connected with the upper die base (2), the lower end of the upper die base (2) is fixedly connected with the pressure spring (3), the lower end of the pressure spring (3) is fixedly connected with the upper die (4), the lower die (5) is positioned below the upper die (4), the lower die base (6) is arranged at the lower end of the lower die (5), the groove body (8) is arranged at the upper end of the base (7), the lower convex arm (9) is arranged at the lower end of the lower die base (6), lower protruding arm (9) inserts in cell body (8), in base (7), the position that is located cell body (8) side has cavity (10), be equipped with hinge (11) in cavity (10), be connected with spring (12) between hinge (11) and cavity (10), locating lever (13) and guide bar (14) have respectively in the both sides of hinge (11), side at lower protruding arm (9) has constant head tank (15), guide way (16) have on the lateral wall of cavity (10), locating lever (13) and constant head tank (15) mutually support, guide bar (14) and guide way (16) mutually support.

2. The rapid die replacement device for the high-precision numerical control punch press according to claim 1, further comprising a limit strip (17) and a handle (18), wherein the handle (18) is connected to the hinge (11), the handle (18) extends out of the base (7), the limit strip (17) is fixedly connected to the outer wall of the base (7), and the limit strip (17) is located at the upper side and the lower side of the handle (18).

3. The rapid die replacement device for the high-precision numerical control punch press according to claim 1, wherein the number of the compression springs (3) is several, and the axes of the compression springs (3) are parallel to each other.

4. The rapid die replacement device for a high-precision numerical control punch press according to claim 1, wherein when the positioning rod (13) is inserted into the positioning groove (15), the lower cam (9) presses against the bottom end of the slot body (8).

5. The rapid die replacement device for a high-precision numerical control punch press according to claim 1, further comprising a lifting mechanism, wherein the driving arm (1) is connected with the lifting mechanism.