CN213317150U - Punching die for disc brake hub disc hole - Google Patents

Abstract

The utility model relates to a punching die for disc brake hub hole, which comprises an upper die base and a lower die base, wherein the lower end surface of the upper die base is vertically provided with a plurality of die guide pillars near the edge thereof, the lower end surface of the upper die base is vertically provided with a plurality of punches near the center thereof at equal intervals, the distance between two adjacent punches is vertically provided with a positioning guide pillar, and the positioning guide pillar is inserted in the disc brake hole of the disc brake hub when the disc brake hub is punched; the die holder includes 2 unloading pieces that the structure is the same, and a tip of 2 unloading pieces is passed through the round pin hub and is rotated continuously, and another tip of 2 unloading pieces is fixed through the snap close piece, and the center department of die holder sets up the first through-hole with flower-drum central axis pipe shape looks adaptation, and the die holder corresponds mould guide pillar department and is equipped with mould guide pillar locating hole, and the die holder corresponds drift department and has seted up the unloading hole, and a plurality of drifts of flower-drum pass the flower disc of dish flower-drum of stopping and extend the unloading hole when punching. The application provides a cut-out press has the more accurate characteristics in location.

Description

Punching die for disc brake hub disc hole

Technical Field

The utility model relates to a cut-out press technical field especially relates to a cut-out press that is used for dish flower drum flower disc hole of stopping.

Background

The punching of the existing product usually has the problem of positioning, and if the positioning is slightly deviated, the product is easily damaged or even destroyed; simultaneously when punching a hole, whether punching product's is fixed firm also can cause certain influence to the stability of product production.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a fix a position more accurate a cut-out press that is used for dish flower drum flower disc hole of stopping.

For realizing the purpose of the utility model, the utility model adopts the following technical scheme:

a punching die for a disc brake disc hole comprises an upper die base and a lower die base, wherein the upper die base covers the lower die base, a plurality of die guide pillars are vertically arranged on the lower end surface of the upper die base close to the edge of the upper die base, a plurality of punches are vertically arranged on the lower end surface of the upper die base close to the center of the upper die base at equal intervals, the plurality of punches are circularly arranged, a positioning guide pillar is vertically arranged at the interval between every two adjacent punches, and the positioning guide pillars are inserted into the disc brake hole of the disc brake disc when the disc brake disc is punched; the lower die base comprises 2 blanking blocks with the same structure, one end parts of the 2 blanking blocks are connected through a pin shaft in a rotating mode, the other end parts of the 2 blanking blocks are fixed through a locking piece, a first through hole matched with the central shaft tube of the disc brake hub in shape is formed in the center of the lower die base, die guide post positioning holes are formed in the position, corresponding to the die guide posts, of the lower die base, blanking holes are formed in the position, corresponding to the punches, of the lower die base, and the punches penetrate through the disc chuck of the disc brake hub and extend to the blanking holes when the disc brake hub is punched.

In one embodiment, the lower die holder further comprises an upper pressing plate, the upper pressing plate comprises 2 upper pressing blocks with the same structure, the 2 upper pressing blocks are correspondingly and fixedly arranged on the 2 lower material blocks, the upper pressing plate is provided with a second through hole matched with the disc chuck of the disc brake drum in shape, and a fixing flange is arranged on the inner side wall of the upper end of the second through hole in an encircling manner.

In one embodiment, the number of the die guide pillars is 4, the number of the punches is 6, the number of the positioning guide pillars is 2, and 2 positioning guide pillars are arranged on a central line of the upper die base.

According to the punching die for the disc brake hub hole, the lower end face of an upper die base is provided with a plurality of die guide pillars, the upper end face of a lower die base is provided with a plurality of die guide pillar positioning holes, and the die guide pillar positioning holes are used for being matched with the die guide pillars for positioning so as to position the upper die base and the lower die base at preset positions; the lower end surface of the upper die base is also provided with a plurality of punches which go deep into the blanking holes on the lower die base during punching, so that the punching of the disc brake pattern-bulging disc holes is realized; meanwhile, when punching, the positioning guide pillar on the lower end face of the upper die base can be inserted in the disc brake hole of the hub to form positioning, so that the size positioning is more accurate and correct when punching.

Drawings

FIG. 1 is an exploded view of a punch die for a disk brake drum faceplate hole in one embodiment;

FIG. 2 is a schematic cross-sectional view of the punch die for the disk brake drum disc hole of FIG. 1;

fig. 3 is a schematic structural view of an upper die holder in the punching die for a disc brake and faceplate hole in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In the description of the present invention, "a plurality" means at least one, e.g., one, two, etc., unless specifically limited otherwise.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the methods or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, the embodiment provides a punching die for a disc hole of a disc brake drum, which includes an upper die holder 100 and a lower die holder 200, wherein the upper die holder 100 covers the lower die holder 200, a plurality of die guide pillars 110 are vertically arranged on the lower end surface of the upper die holder 100 near the edge thereof, a plurality of punches 120 are vertically arranged on the lower end surface of the upper die holder 100 near the center thereof at equal intervals, the plurality of punches 120 are circularly arranged, a positioning guide pillar 130 is arranged at a distance between two adjacent punches 120, and the positioning guide pillar 130 is inserted into the disc brake hole 22 of the disc brake drum 20 during punching of the disc brake drum 20; the lower die holder 200 includes 2 blanking blocks 210 with the same structure, one end of each of the 2 blanking blocks 210 is rotationally connected through a pin, the other end of each of the 2 blanking blocks 210 is fixed through a locking element, a first through hole 220 matched with the central shaft tube 24 of the disc brake drum 20 in shape is formed in the center of the lower die holder 200, a die guide post positioning hole 230 is formed in the position of the lower die holder 200 corresponding to the die guide post 110, a blanking hole 240 is formed in the position of the lower die holder 200 corresponding to the punch 120, and the plurality of punches 120 of the disc brake drum 20 penetrate through the disc 26 of the disc brake drum 20 and extend to the blanking hole 240 during punching.

Wherein, the number of the die guide posts 110 can be set to 4, the number of the punches 120 can be set to 6, the number of the positioning guide posts 130 can be set to 2, and 2 positioning guide posts 130 are disposed on the central line of the upper die holder 100. Specifically, the number of the punches 120 and the positioning guide posts 130 can be selected according to different types of the disc brake drum 20, and the embodiment is not limited.

In the punching die for the disc brake drum disc hole provided by the embodiment, when the disc brake drum 20 is ready to be punched, a user needs to open the locking piece on the lower die holder 200 first, and then rotate one of the blanking blocks to a certain angle, specifically not less than 90 degrees; then, the central shaft tube 24 end of the disc brake drum 20 is placed in the first through hole 220 of the lower die holder 200; then the blanking block is rotated to lock the locking fastener; covering the upper die holder 100, so that the punch 120 on the upper die holder 100 corresponds to the blanking hole 240 on the lower die holder 200, and the positioning guide post 130 corresponds to the butterfly brake hole 22 on the disc brake drum 20; then, a certain pressure is applied to the upper end surface of the upper die holder 100, so as to complete the punching of the disc hole of the disc brake drum 20.

In this embodiment, the lower end surface of the upper die base 100 is provided with a plurality of die guide posts 110, the upper end surface of the lower die base 200 is provided with a plurality of die guide post positioning holes 230, and the die guide post positioning holes 230 are used for matching with the die guide posts 110 to position, so as to position the upper die base 100 and the lower die base 200 at predetermined positions; the lower end face of the upper die holder 100 is also provided with a plurality of punches 120 which go deep into the blanking holes 240 on the lower die holder 200 during punching, so that the disc holes of the disc brake drum 20 are punched; meanwhile, during punching, the positioning guide post 130 on the lower end surface of the upper mold base 100 is inserted into the disc brake hole 22 on the drum 20 to form positioning, so that the dimensional positioning is more accurate and correct during punching.

In an embodiment, the lower die holder 200 may further include an upper pressing plate, the upper pressing plate includes 2 upper pressing blocks with the same structure, the 2 upper pressing blocks are correspondingly and fixedly disposed on the 2 lower pressing blocks 210, the upper pressing plate is provided with a second through hole adapted to the shape of the disc 26 of the disc brake drum 20, and a fixing flange is disposed around an inner side wall of an upper end of the second through hole.

In this embodiment, the lower mold base 200 may further include an upper platen, and the upper platen is provided with a fixing flange for fixing the disk 26 of the disk brake drum 20, so as to prevent the disk brake drum 20 from shaking due to the action of the punch 120 during punching.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (3)

1. The punching die for the disc brake disc hole is characterized by comprising an upper die base and a lower die base, wherein the upper die base covers the lower die base, a plurality of die guide pillars are vertically arranged on the lower end surface of the upper die base close to the edge of the upper die base, a plurality of punches are vertically arranged on the lower end surface of the upper die base close to the center of the upper die base at equal intervals, the plurality of punches are circularly arranged, a positioning guide pillar is vertically arranged at the interval between every two adjacent punches, and the positioning guide pillars are inserted into the disc brake hole of the disc brake disc when the disc brake disc is punched; the lower die base comprises 2 blanking blocks with the same structure, one end parts of the 2 blanking blocks are connected through a pin shaft in a rotating mode, the other end parts of the 2 blanking blocks are fixed through a locking piece, a first through hole matched with the central shaft tube of the disc brake hub in shape is formed in the center of the lower die base, die guide post positioning holes are formed in the position, corresponding to the die guide posts, of the lower die base, blanking holes are formed in the position, corresponding to the punches, of the lower die base, and the punches penetrate through the disc chuck of the disc brake hub and extend to the blanking holes when the disc brake hub is punched.

2. The punching die for the disc brake hub hole according to claim 1, wherein the lower die holder further comprises an upper pressing plate, the upper pressing plate comprises 2 upper pressing blocks with the same structure, 2 upper pressing blocks are correspondingly and fixedly arranged on 2 lower pressing blocks, the upper pressing plate is provided with a second through hole matched with the disc brake hub in shape, and a fixing flange is arranged on the inner side wall of the upper end of the second through hole in an encircling manner.

3. The punching die for a disc brake drum disc hole according to claim 1 or 2, wherein the number of the die guide posts is 4, the number of the punches is 6, the number of the positioning guide posts is 2, and 2 positioning guide posts are provided on a center line of the upper die holder.

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