Automatic pin bush forging device

Abstract

The utility model relates to the technical field of pin bush production, in particular to an automatic pin bush forging device which comprises a forging table, a round groove is formed in the upper end of the forging table, a die cylinder is arranged in the round groove, a first through groove is formed in the bottom in the die cylinder, a second through groove corresponding to the first through groove is formed in the bottom in the round groove, and a first through hole is formed in the second through groove. A first L-shaped plate is fixedly connected to the upper end of the forging table, and a stamping mechanism is arranged on the first L-shaped plate; and the lifting mechanism comprises four supporting columns fixedly connected to the lower end of the forging table, and a transverse plate is jointly and fixedly connected among the four supporting columns. The lifting mechanism is arranged, when the stamping column completes stamping, the hydraulic oil cylinder contracts and the stamping column moves upwards to the initial position, the stamping column extrudes the top plate at the moment, then the top plate moves upwards through the second plate, the second L-shaped plate and the first plate, the circular ring drives the lifting rods to move upwards, and a pin sleeve in the die barrel is ejected out; therefore, workers can take out the device conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to pin bush production technical field, concretely relates to a pin bush automatic forging device. BACKGROUND

[0002] The material of the pin bush of the engineering excavator track is generally selected from 40CrB and 20CrMnTi, the chemical composition is uniform, the organization is compact and defect-free, has good hardness plasticity, the surface layer has high hardness and high wear resistance after production heat treatment, in the prior art, in order to reduce the material loss in the production of pin bush and accelerate the forging efficiency, generally adopt the stamping mode to produce pin bush.

[0003] The current stamping mode first places the heated cylindrical material in the stamping cylinder, then adopts the stamping head to form by pressing, and the staff takes out the formed pin bush after stamping, since the deformation of the cylindrical material is avoided in the stamping process, the cylindrical material is placed in the stamping cylinder, so that when the formed pin bush is taken out subsequently, the outside tool is manually placed into the pin bush, then the inner side wall of the pin bush is clamped and taken out, and the operation is inconvenient. UTILITARY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a pin bush automatic forging device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A pin bush automatic forging device, comprising:

[0007] A forging table, a circular groove is formed in the upper end of the forging table, a die cylinder is arranged in the circular groove, a first through groove is formed in the bottom of the die cylinder, a second through groove corresponding to the first through groove is formed in the bottom of the circular groove, a first L-shaped plate is fixedly connected to the upper end of the forging table, and a stamping mechanism is arranged on the first L-shaped plate.

[0008] A lifting mechanism, the lifting mechanism comprises four support columns fixedly connected to the lower end of the forging table, a horizontal plate is fixedly connected between the four support columns, a circular ring is elastically connected to the horizontal plate through a plurality of springs, a plurality of lifting rods are fixedly connected to the upper end of the circular ring, and the side walls of the plurality of lifting rods are sequentially penetrated through the bottom of the circular groove and the bottom of the die cylinder.

[0009] Preferably, the stamping mechanism comprises a hydraulic oil cylinder fixedly connected to the upper end of the first L-shaped plate, and a stamping column is fixedly connected to the movable end of the hydraulic oil cylinder.

[0010] Preferably, the lateral plate side wall is fixedly connected with a first plate, the first plate is fixedly connected with a second L-shaped plate away from the upper end of the lateral plate, the first L-shaped plate is slidably connected with a second plate at the upper end, the second plate is fixedly connected with the second L-shaped plate at the upper end, the second plate is fixedly connected with a top plate at the lower end, and the top plate is opposite to the stamping column.

[0011] Preferably, the lateral plate upper end is provided with a third through groove, the third through groove diameter is greater than the first through groove and the second through groove diameter, and the circular ring inner diameter is greater than the first through groove and the second through groove diameter.

[0012] The utility model has the following beneficial effects:

[0013] The lifting mechanism is arranged, when the stamping column is stamped and the hydraulic oil cylinder is retracted, the stamping column is moved to the initial position on the stamping column, the stamping column extrudes the top plate at the moment, and then the top plate is moved up through the second plate, the second L-shaped plate and the first plate, so that the circular ring drives the plurality of lifting rods to move up, the pin sleeve in the mold cylinder is ejected, so that the staff can take it out conveniently, and the cylindrical material is placed in the stamping cylinder in the prior art, so that when the formed pin sleeve is taken out subsequently, only the external tool can be put into the pin sleeve inside manually, then the inner side wall of the pin sleeve is clamped and taken out, and the operation is inconvenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structure schematic view of a pin sleeve automatic forging device is provided for the utility model;

[0015] Figure 2 A Figure 1 A top view structure schematic view of the intermediate forging table and the mold cylinder;

[0016] Figure 3 A Figure 1 A vertical section structure schematic view of the intermediate forging table and the mold cylinder;

[0017] Figure 4 A Figure 3 An enlarged structure schematic view of the intermediate A;

[0018] Figure 5 A Figure 4 A structure schematic view of the plurality of lifting rods after the stamping column is moved down.

[0019] In the figure: 1, forging table; 2, circular groove; 3, mold cylinder; 4, first through groove; 5, second through groove; 6, first L-shaped plate; 7, hydraulic oil cylinder; 8, stamping column; 9, support column; 10, lateral plate; 11, spring; 12, circular ring; 13, lifting rod; 14, third through groove; 15, first plate; 16, second plate; 17, second L-shaped plate; 18, top plate. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely part of the embodiments of the present application, rather than all the embodiments.

[0021] Referring to Figures 1-5 A pin sleeve automatic forging device, including a forging table 1, the upper end of the forging table 1 is provided with a circular groove 2, the circular groove 2 is provided with a die cylinder 3, the bottom of the die cylinder 3 is provided with a first through groove 4, the bottom of the circular groove 2 is provided with a second through groove 5 corresponding to the first through groove 4 (as shown in Figure 2 The upper end of the forging table 1 is fixedly connected with a first L-shaped plate 6, and the first L-shaped plate 6 is provided with a stamping mechanism.

[0022] The stamping mechanism comprises a hydraulic oil cylinder 7 fixedly connected to the upper end of the first L-shaped plate 6, and the movable end of the hydraulic oil cylinder 7 is fixedly connected with a stamping column 8.

[0023] The heated cylindrical material is placed in the die cylinder 3, then the hydraulic oil cylinder 7 is adjusted to extend, driving the stamping column 8 to move downward, so that the stamping column 8 stamps the cylindrical material, and the stamped material flows out through the first through groove 4 and the second through groove 5, completing the production of the pin sleeve.

[0024] The lifting mechanism comprises four support columns 9 fixedly connected to the lower end of the forging table 1, and a cross plate 10 is fixedly connected between the four support columns 9, the cross plate 10 is elastically connected with a circular ring 12 through a plurality of springs 11, the upper end of the circular ring 12 is fixedly connected with a plurality of lifting rods 13, and the side walls of the plurality of lifting rods 13 are sequentially penetrated through the bottom of the circular groove 2 and the bottom of the die cylinder 3 (as shown in Figure 4 ).

[0025] The side wall of the cross plate 10 is fixedly connected with a first plate 15, the upper end of the first plate 15 away from the cross plate 10 is fixedly connected with a second L-shaped plate 17, the upper end of the first L-shaped plate 6 is slidingly connected with a second plate 16, the upper end of the second plate 16 is fixedly connected with the lower end of the second L-shaped plate 17, the lower end of the second plate 16 is fixedly connected with a top plate 18, and the top plate 18 is opposite to the stamping column 8.

[0026] The extension of the hydraulic oil cylinder 7 drives the stamping column 8 to move downward, and the circular ring 12 moves downward under the action of the plurality of springs 11, at this time the circular ring 12 drives the second L-shaped plate 17 to move downward through the first plate 15, when the stamping column 8 does not stamp the cylindrical material, the upper end of the stamping column 8 has been separated from the lower end of the top plate 18 (as shown in Figure 5 At this time, the lower surface of the second L-shaped plate 17 is attached to the upper surface of the first L-shaped plate 6, and the upper end of the plurality of lifting rods 13 is flush with the bottom of the die cylinder 3, so as not to affect the stamping of the cylindrical material by the stamping column 8;

[0027] When the stamping post 8 is completed, the hydraulic cylinder 7 is retracted, and the stamping post 8 is moved to the initial position, at this time, the stamping post 8 is pressed against the top plate 18 (as shown in Figure 3 The second L-shaped plate 17 is connected to the first plate 15, and the second L-shaped plate 17 is connected to the second plate 16, and the second L-shaped plate 17 is connected to the first L-shaped plate 6, and the second L-shaped plate 17 is connected to the circular ring 12, and the second L-shaped plate 17 is connected to the plurality of lifting rods 13.

[0028] The third through groove 14 is provided on the upper end of the cross plate 10, and the diameter of the third through groove 14 is greater than the diameter of the first through groove 4 and the second through groove 5, and the inner diameter of the circular ring 12 is greater than the diameter of the first through groove 4 and the second through groove 5, so that the cylindrical material pressed out from the first through groove 4 and the second through groove 5 can flow out through the inner side wall of the circular ring 12 and the third through groove 14.

[0029] In the production of the pin sleeve, first, the heated cylindrical material is placed in the mold cylinder 3, and then the hydraulic cylinder 7 is adjusted to extend, driving the stamping post 8 to move down, so that the stamping post 8 presses the cylindrical material, and the pressed material flows out through the first through groove 4 and the second through groove 5, completing the production of the pin sleeve;

[0030] And when the hydraulic cylinder 7 is extended to drive the stamping post 8 to move down, the circular ring 12 is driven to move down under the action of the plurality of springs 11, at this time, the circular ring 12 drives the second L-shaped plate 17 to move down through the first plate 15, when the stamping post 8 moves down and does not press the cylindrical material, at this time, the upper end of the stamping post 8 has been separated from the lower end of the top plate 18 (as shown in Figure 5 At this time, the lower surface of the second L-shaped plate 17 is attached to the upper surface of the first L-shaped plate 6, and the upper end of the plurality of lifting rods 13 is flush with the inner bottom of the mold cylinder 3, so that the stamping post 8 does not affect the pressing of the cylindrical material;

[0031] When the stamping post 8 is completed, the hydraulic cylinder 7 is retracted, and the stamping post 8 is moved to the initial position, at this time, the stamping post 8 is pressed against the top plate 18 (as shown in Figure 3 The second L-shaped plate 17 is connected to the first plate 15, and the second L-shaped plate 17 is connected to the second plate 16, and the second L-shaped plate 17 is connected to the first L-shaped plate 6, and the second L-shaped plate 17 is connected to the circular ring 12, and the second L-shaped plate 17 is connected to the plurality of lifting rods 13.

[0032] The above merely is the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the present utility model is equivalent to replace or change within the technical range disclosed by the present utility model, and should be covered in the protection scope of the present utility model.

Claims

1. A pin bush automatic forging device characterized by comprising: Include: Forging table (1), the upper end of the forging table (1) is provided with a circular groove (2), the circular groove (2) is provided with a die cylinder (3), the bottom of the die cylinder (3) is provided with a first through groove (4), the bottom of the circular groove (2) is provided with a second through groove (5) corresponding to the first through groove (4), the upper end of the forging table (1) is fixedly connected with a first L-shaped plate (6), and the first L-shaped plate (6) is provided with a stamping mechanism; Lifting mechanism, the four support columns (9) are fixedly connected at the lower end of the forging table (1), the four support columns (9) are fixedly connected with a horizontal plate (10), the horizontal plate (10) is elastically connected with a circular ring (12) through a plurality of springs (11), the upper end of the circular ring (12) is fixedly connected with a plurality of lifting rods (13), and the side walls of the plurality of lifting rods (13) are sequentially penetrated through the bottom of the circular groove (2) and the bottom of the die cylinder (3).

2. The automatic bushing forging apparatus according to claim 1, wherein The stamping mechanism includes a hydraulic oil cylinder (7) fixedly connected to the upper end of the first L-shaped plate (6), and the movable end of the hydraulic oil cylinder (7) is fixedly connected with a stamping column (8).

3. The automatic bushing forging apparatus according to claim 2, wherein The side wall of the horizontal plate (10) is fixedly connected with a first plate (15), the upper end of the first plate (15) away from the horizontal plate (10) is fixedly connected with a second L-shaped plate (17), the upper end of the first L-shaped plate (6) is slidably connected with a second plate (16), the upper end of the second plate (16) is fixedly connected with the lower end of the second L-shaped plate (17), the lower end of the second plate (16) is fixedly connected with a top plate (18), and the top plate (18) is opposite to the stamping column (8).

4. The automatic bushing forging apparatus according to claim 1, wherein The upper end of the horizontal plate (10) is provided with a third through groove (14), the diameter of the third through groove (14) is greater than the diameter of the first through groove (4) and the second through groove (5), and the inner diameter of the circular ring (12) is greater than the diameter of the first through groove (4) and the second through groove (5).

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