Wide-angle punching wedge mechanism

Abstract

The utility model provides a wide-angle punching wedge mechanism, which can complete punching along the central axis of a hole by adopting a standard punch and a female die sleeve so as to solve the problems of low punching precision and cost increase of a part formed by punching in the background technology. The stamping die comprises an upper die mounting seat, a lower die mounting seat and a punch device, and during mounting, a material pressing core and a punch device mounting base are arranged; the punch device comprises a punch mounting sleeve and a punch, and the punch is fixedly connected to the punch mounting sleeve; a guide hole is formed in the pressing core, a guide sleeve is mounted in the guide hole, and the punch is in guide fit with an inner hole of the guide sleeve; and a female die sleeve is mounted on the lower die mounting seat and is matched with the punch. The material pressing core is arranged to provide guidance for the punch, the problem of wedge return stroke in the punching process can be solved, oblique punching is achieved, punching precision is guaranteed, and cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to punch die technical field relates to a big angle punch mechanism of hole inclined wedge. BACKGROUND

[0002] As Figure 1 Shown, it is a kind of stamping forming parts, and there is inclined position relative to horizontal direction on the side of part body, and inclined position needs to punch, and the center axis of hole is at the angle A with vertical direction, and the range of A is usually 10-20º;General rotating parts or do projection hole normal punch, but the precision of projection hole is not high, and qualified hole punching needs multiple tests, causes non-standard punch and non-standard die sleeve and time waste, increases cost. SUMMARY

[0003] The utility model provides a big angle punch mechanism of hole inclined wedge, can adopt standard punch and die sleeve along the center axis of hole to complete punch, to solve the problem of low precision of stamping forming parts punching and increased cost in the background art.

[0004] Therefore, the technical scheme of the utility model is as follows: a big angle punch mechanism of hole inclined wedge, comprising upper die mounting seat, lower die mounting seat, punch device, when installing, the upper die mounting seat is fixedly connected with upper die, and the lower die mounting seat is fixedly connected with lower die, and the utility model is characterized in that: further comprising pressure core, punch device installation baseplate;

[0005] The lower end of upper die mounting seat is integrally provided with mounting boss, and the punch device installation baseplate is fixedly connected on the mounting boss through the clamping slot thereon, and the punch device is fixedly connected at the lower end of punch device installation baseplate, and the punch device comprises punch mounting sleeve and punch, and the punch is fixedly connected on the punch mounting sleeve;

[0006] The pressure core is provided with guide hole, and the guide hole is provided with guide sleeve, and the punch is guidedly matched with the inner hole of guide sleeve.

[0007] The lower die mounting seat is provided with die sleeve, and the die sleeve is matched with punch.

[0008] Further, the adjusting gasket is arranged between the clamping slot on the punch device installation baseplate and the mounting boss, so that the clamping slot on the punch device installation baseplate and the mounting boss are gaplessly matched, and the positional accuracy and connection reliability are ensured.

[0009] The utility model has the advantages that: by setting a pressure core to provide guidance for punch, the problem of inclined return in the punching process can be solved, inclined punching is realized, the punching precision is ensured, and the cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1It is a punch forming part schematic view of a tilt position needing punching in the prior art;

[0011] Figure 2 It is a first state perspective view of the utility model;

[0012] Figure 3 It is a second state perspective view of the utility model;

[0013] Figure 4 It is a front view of the utility model;

[0014] Figure 5 It is Figure 4 B-B section view along the middle.

[0015] As shown in the figure: 1, the upper die mounting seat; 2, the mounting boss; 3, the adjusting gasket; 4, the punch device mounting base; 5, the punch device; 501, the punch mounting sleeve; 502, the punch; 6, the guide sleeve; 7, the pressure core; 8, the lower die mounting seat; 9, the die sleeve. DETAILED DESCRIPTION

[0016] Next, the utility model is further described as follows in combination with the drawings.

[0017] As Figures 2-5 shown, a large-angle punching inclined wedge mechanism, including upper die mounting seat 1, lower die mounting seat 8, punch device 5, pressure core 7, punch device mounting base 4, when installing, the upper die mounting seat 1 is fixedly connected with the upper die, the lower die mounting seat 8 is fixedly connected with the lower die, the pressure core 7 is elastically returned and is connected on the upper die;

[0018] The lower end of the upper die mounting seat is integrally provided with the mounting boss 2, the punch device mounting base 4 is fixedly connected on the mounting boss 2 through the clamping groove thereon, the punch device 5 is fixedly connected at the lower end of the punch device mounting base, and the punch device 5 includes the punch mounting sleeve 501 and the punch 502, and the punch is fixedly connected on the punch mounting sleeve;

[0019] The pressure core 7 is provided with a guide hole, the guide sleeve 6 is mounted in the guide hole, and the punch 502 is guidedly matched with the inner hole of the guide sleeve 6; the lower die mounting seat 8 is provided with the die sleeve 9, and the die sleeve 9 is matched with the punch 502.

[0020] As Figure 2 , Figure 4 shown, the clamping groove on the punch device mounting base is provided with the adjusting gasket 3 between the mounting boss, and by the arrangement of the adjusting gasket 3, the clamping groove on the punch device mounting base can be matched with the mounting boss without gap, so that the position precision and the connection reliability are guaranteed.

[0021] Through the above description, the person skilled in the art can make simple transformation and modification without deviating from the technical concept of the present application, which shall fall within the protection scope of the present application.

Claims

1. A large angle punching cam mechanism, comprising an upper die mounting seat, a lower die mounting seat, a punch device, when installed, the upper die mounting seat is fixedly connected with an upper die, the lower die mounting seat is fixedly connected with a lower die, characterized in that: Also include the pressing core, punch device installation base; The lower end of the upper die mounting seat is integrally provided with a mounting boss, the punch device installation base is fixedly connected on the mounting boss through the clamping groove thereon, the punch device is fixedly connected at the lower end of the punch device installation base, and the punch device comprises a punch mounting sleeve and a punch fixedly connected on the punch mounting sleeve; The pressing core is provided with a guide hole, a guide sleeve is mounted in the guide hole, and the punch is in guiding cooperation with the inner hole of the guide sleeve; The lower die mounting seat is provided with a die sleeve, and the die sleeve is adapted to the punch.

2. A large angle punch cam mechanism according to claim 1, wherein: An adjusting gasket is arranged between the clamping groove on the punch device installation base and the mounting boss.

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