Brake pad hanging pin forging tool

Abstract

The utility model discloses a brake pad hanging pin forging tool which comprises an upper die and a lower die, an upper forging cavity and a lower forging cavity are formed in the sides, close to each other, of the upper die and the lower die, a flash groove is formed in the peripheral side of the lower forging cavity, and supporting columns are fixedly connected to the sides, away from each other, of the upper die and the lower die. Ejection mechanisms are embedded in the upper die and the lower die, a lifting pin brake pad is jointly arranged between the upper forging cavity and the lower forging cavity, each ejection mechanism comprises a push block arranged in the upper die and the lower die in a penetrating mode, the push blocks penetrate through the upper forging cavity and the lower forging cavity, and the ends of the push blocks are matched with the radian of the inner walls of the push blocks. According to the utility model, the upper die, the lower die, the flash groove and the ejection mechanism are matched with one another, and the upper die and the lower die are matched with each other, so that the brake pad lifting pin is pre-formed, and finish forging is carried out after a forge piece is turned over, the flash can be directly removed, manual cleaning by a worker is not needed, time and manpower are saved, and meanwhile, the production efficiency of the brake pad lifting pin is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a brake pad hanger pin processing equipment technical field, concretely is a kind of brake pad hanger pin forging dress. BACKGROUND

[0002] Brake pad hanger pin is important production spare parts of train.Forging is a kind of industrial processing method, it is processed to it by heating steel material, then exerting pressure, the purpose of forging is to further improve the organizational structure of steel, improve hardness, strength and toughness and other properties.Brake pad hanger pin usually needs to be forged to its raw material billet to improve its structural strength when processing.

[0003] The existing brake pad hanger pin has flash on the outside after initial forging when carrying out die forging, at this time, staff need to clean the flash, then final forging is carried out, it takes a long time during, thereby affecting the production efficiency of brake pad hanger pin. UTILITY MODEL CONTENTS

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0006] A kind of brake pad hanger pin forging dress, including upper die and lower die, the side of the upper die and lower die close to each other is all set with upper forging cavity and lower forging cavity, the lower forging cavity side is set with flash groove, the side of the upper die and lower die away from each other is all fixedly connected with support column, the upper die and lower die are all embedded with ejector mechanism, the upper forging cavity and lower forging cavity are jointly provided with hanger pin brake pad.

[0007] As a preferred scheme of the utility model described a kind of brake pad hanger pin forging dress, wherein, the ejector mechanism includes the push block being set in the upper die and lower die inside, the push block is through upper forging cavity and lower forging cavity and push block end and its inner wall radian fit, the push block bottom is provided with rotating rod, the rotating rod is fixed with corresponding upper die and lower die by bolt, it is convenient to assist the demoulding of hanger pin brake pad of forming.

[0008] As a preferred scheme of the utility model described a kind of brake pad hanger pin forging dress, wherein, the rotating rod top is fixedly connected with screw rod, the screw rod is threadedly connected with push block, by twisting rotating rod outward, it is convenient to push push block into forging cavity, so that hanger pin brake pad demoulding.

[0009] As a preferred scheme of the gate piece hanging pin forging dress, the upper die and the lower die are provided with positioning grooves and positioning blocks at four corners respectively, so that the upper die and the lower die are conveniently closed.

[0010] As a preferred scheme of the gate piece hanging pin forging dress, the upper die and the lower die are provided with positioning grooves and positioning blocks at four corners respectively, so that the upper die and the lower die are conveniently closed.

[0011] As a preferred scheme of the gate piece hanging pin forging dress, the upper die and the lower die are provided with positioning grooves and positioning blocks at four corners respectively, so that the upper die and the lower die are conveniently closed.

[0012] Compared with the prior art, the gate piece hanging pin forging dress has the beneficial effects that:

[0013] The upper die, the lower die, the flash groove and the ejection mechanism are mutually matched, the gate piece hanging pin is preformed by matching the upper die and the lower die, and finish forging is carried out after the forging piece is turned over, the flash can be directly removed without manual cleaning by the worker, time and manpower are saved, and the production efficiency of the gate piece hanging pin is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0015] Fig. 1 It is an appearance schematic view of the gate piece hanging pin forging dress of the present application;

[0016] Fig. 2 It is a structure schematic view of the gate piece hanging pin forging dress of the present application;

[0017] Fig. 3 It is a hanging pin gate piece forming schematic view of the gate piece hanging pin forging dress of the present application.

[0018] Legend: 1, upper die; 101, positioning groove; 102, positioning block; 2, lower die; 3, upper forging cavity; 4, lower forging cavity; 5, flash groove; 6, support column; 7, ejection mechanism; 701, push block; 702, rotating rod; 8, hanging pin gate piece. DETAILED DESCRIPTION

[0019] In order to make the above objects, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0020] Secondly, the present application is described in detail in combination with the schematic diagram, and in order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0021] In order to make the objects, technical solutions and advantages of the present application more clear, the embodiments of the present application will be described in further detail below with reference to the drawings.

[0022] Please refer to Figs. 1-3 The present application provides a forging tool for a hanging pin brake pad, comprising an upper die 1 and a lower die 2, and the upper die 1 and the lower die 2 are provided with positioning grooves 101 and positioning blocks 102 at four corners respectively, so as to facilitate the die closing of the upper die 1 and the lower die 2.

[0023] The upper die 1 and the lower die 2 are provided with upper forging cavities 3 and lower forging cavities 4 on the side close to each other, and the lower forging cavities 4 are provided with flash grooves 5 on the side, and the depth of the flash grooves 5 is two millimeters, so as to accommodate the excess metal of die forging.

[0024] The upper die 1 and the lower die 2 are fixedly connected with support columns 6 on the side away from each other, and the support columns 6 are provided with four, and the four support columns 6 are located at the four corners of the upper die 1 and the lower die 2 respectively, so as to facilitate the external force of the upper die 1 and the lower die 2, and the forming of the hanging pin brake pad 8.

[0025] The upper die 1 and the lower die 2 are embedded with ejection mechanisms 7 inside, and the upper forging cavities 3 and the lower forging cavities 4 are provided with hanging pin brake pads 8.

[0026] The ejection mechanism 7 comprises a push block 701 penetratingly arranged in the upper die 1 and the lower die 2, the push block 701 penetrates the upper forging cavity 3 and the lower forging cavity 4, and the end of the push block 701 is matched with the inner wall curvature, the bottom of the push block 701 is provided with a rotating rod 702, and the rotating rod 702 is fixed with the corresponding upper die 1 and lower die 2 through bolts, so as to facilitate the demolding of the auxiliary forming hanging pin brake pad 8.

[0027] In the present embodiment, the rotating rod 702 is fixedly connected with a lead screw at the top, and the lead screw is threadedly connected with the push block 701, and by rotating the rotating rod 702 outward, the push block 701 is pushed into the forging cavity, so that the hanging pin brake pad 8 is demolded.

[0028] When processing, the upper die 1 and the lower die 2 are closed by pressing the supporting columns 6 on both sides of the upper die 1 and the lower die 2, the drop center brake pad 8 is die forged, and the preforming is formed.

[0029] After the bolt is unscrewed, the rotating rod 702 is gradually screwed outwards, the rotating rod 702 is pushed, and the push block 701 can be moved to the forging cavity, so as to push out the preformed drop center brake pad 8.

[0030] Then, the drop center brake pad 8 is turned over by one hundred and eighty degrees, is put into the lower forging cavity 4 again, the upper die 1 and the lower die 2 are closed and pressed, the flash on the side of the drop center brake pad 8 is separated from the drop center brake pad 8, and the formed drop center brake pad 8 is obtained.

[0031] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A forging tool for forging a brake pad retainer pin, comprising an upper die (1) and a lower die (2), characterized in that, The upper die (1) and the lower die (2) are provided with upper forging cavities (3) and lower forging cavities (4) on the side close to each other, the lower forging cavities (4) are provided with flash grooves (5) on the circumferential side, the upper die (1) and the lower die (2) are fixedly connected with support columns (6) on the side away from each other, the upper die (1) and the lower die (2) are embedded with ejection mechanisms (7) inside, and the upper forging cavities (3) and the lower forging cavities (4) are jointly provided with hanging pin brake blocks (8).

2. The gate blade hanger forging of claim 1, wherein, The ejection mechanism (7) comprises a push block (701) penetratingly arranged inside the upper die (1) and the lower die (2), the push block (701) penetrates the upper forging cavities (3) and the lower forging cavities (4) and the end of the push block (701) is matched with the inner wall curvature, the bottom of the push block (701) is provided with a rotating rod (702), and the rotating rod (702) is fixed with the corresponding upper die (1) and lower die (2) through bolts.

3. The gate blade hanger forging of claim 2, wherein, The rotating rod (702) is fixedly connected with a lead screw at the top, and the lead screw is threadedly connected with the push block (701).

4. The gate blade hanger forging of claim 1 wherein, The upper die (1) and the lower die (2) are respectively provided with positioning grooves (101) and positioning blocks (102) at the four corners.

5. The gate blade hanger forging of claim 1 wherein, The support column (6) is provided with four, and the four support columns (6) are respectively located at the four corners of the upper die (1) and the lower die (2).

6. The gate blade hanger forging of claim 1 wherein, The depth of the flash groove (5) is two millimeters.

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