A wear-resistant bushing flanging device

Abstract

The utility model discloses an anti-wear bushing flanging device, comprising a base, a bracket installed on the base, a downward pressure cylinder fixed on the top plate of the bracket, a flanging pressure head installed after the piston rod of the pressure cylinder penetrates through the top plate of the bracket, a flanging die seat located below the flanging pressure head is installed on the base, a cushion block is installed in the flanging die seat, the outer wall of the cushion block is in close contact with the inner wall of the flanging die seat, the base is provided with a positioning groove located in the flanging die seat, a positioning rod located in the positioning groove is provided at the bottom of the cushion block, a buffer spring is outerly provided on the positioning rod, lubricating oil is injected into the flanging die seat, and the cushion block is provided with an oil hole running through the top and bottom; when the flanging device is flanging, the lubricating oil gradually rises through the bushing opening to provide sufficient lubrication to the extrusion position, thereby reducing wear.

Description

Technical Field

[0001] The utility model belongs to the technical field of bushing processing, and in particular relates to an anti-wear bushing flanging device. Background Art

[0002] Bushings are used outside mechanical parts to achieve sealing, wear protection and other functions. They refer to rings that act as gaskets. The bushing part will be opened, making it simple to connect, easy to maintain and widely applicable.

[0003] When flanging the bushing, it is necessary to extrude and flange it through the pressure head of the flanging equipment in cooperation with a fixed die. It is difficult to achieve effective lubrication during extrusion, and the equipment is prone to wear. Utility Model Content

[0004] The utility model provides a wear-resistant bushing flanging device. When the flanging device is flanging, lubricating oil gradually rises through the bushing opening to provide sufficient lubrication to the extrusion part, reducing wear and tear to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-wear bushing flanging device, comprising a base, a bracket is installed on the base, a downward pressure cylinder is fixed on the top plate of the bracket, a flanging pressure head is installed after the piston rod of the pressure cylinder passes through the top plate of the bracket, a flanging die base located below the flanging pressure head is installed on the base, a cushion block is installed in the flanging die base, the outer wall of the cushion block is tightly attached to the inner wall of the flanging die base, the base is provided with a positioning groove located in the flanging die base, a positioning rod located in the positioning groove is provided at the bottom of the cushion block, a buffer spring is arranged on the outer sleeve of the positioning rod, lubricating oil is filled in the flanging die base, and the cushion block is provided with an oil through hole running through the top and bottom.

[0006] Preferably, a flange connection edge is provided at the bottom of the flanging die base and is fixed to the base by screws.

[0007] Preferably, a plurality of reinforcing ribs are provided between the flanging die base and the flange connecting edge.

[0008] Preferably, a circle of annular groove is provided at the place where the flanging die seat and the base are in close contact, and an annular sealing ring is installed.

[0009] Preferably, a spring groove is provided on the base, and the bottom end of the buffer spring is located in the spring groove.

[0010] Preferably, the outer wall of the cushion block is smooth and fits tightly against the inner wall of the flanging die base.

[0011] Preferably, the top of the flanging die base is provided with an annular groove and a positioning ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. When flanging, the lubricating oil gradually rises through the opening of the bushing, providing sufficient lubrication to the extrusion area to reduce wear.

[0014] 2. After flanging is completed, the lubricating oil can return to the bottom of the flanging die base through the oil hole to lubricate the next workpiece.

[0015] 3. The positioning ring provides positioning effect for the flanging pressure head during extrusion, and at the same time prevents the lubricating oil from flowing out from the upper end of the flanging die base after extrusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the extrusion flanging of the product of the utility model;

[0018] Figure 3 This is a schematic diagram of the flanging die base structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the cushion block and the positioning rod of the utility model;

[0020] Figure 5 It is a schematic diagram of the top view structure of the cushion block of the present utility model.

[0021] In the figure: 1. base; 2. bracket; 3. pressure cylinder; 4. flanging pressure head; 5. flanging die base; 6. cushion block; 7. positioning groove; 8. positioning rod; 9. buffer spring; 10. oil hole; 11. flange connection edge; 12. screw; 13. reinforcing rib; 14. spring groove; 15. ring groove; 16. positioning ring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5The utility model provides an anti-wear bushing flanging device, comprising a base 1, a bracket 2 is installed on the base 1, a downward pressure cylinder 3 is fixed on the top plate of the bracket 2, a flanging pressure head 4 is installed after the piston rod of the pressure cylinder 3 passes through the top plate of the bracket 2, a flanging die base 5 located below the flanging pressure head 4 is installed on the base 1, a cushion block 6 is installed in the flanging die base 5, the outer wall of the cushion block 6 is in close contact with the inner wall of the flanging die base 5, and the base 1 is provided with a positioning groove 7 located in the flanging die base 5, The bottom of the cushion block 6 is provided with a positioning rod 8 located in the positioning groove 7, and the positioning rod 8 is covered with a buffer spring 9. The flanging die base 5 is filled with lubricating oil, and the cushion block 6 is provided with an oil hole 10 that runs through the upper and lower parts. When flanging, the flanging die base 5 is filled with sufficient lubricating oil. Since the cushion block 6 is lifted to a certain height by the buffer spring 9, the lubricating oil will be filled under the cushion block 6. The lining sleeve is placed in the flanging die base 5. The inner wall of the flanging die base 5 is designed to fit the outer wall of the lining sleeve. The lining sleeve will be against the top of the cushion block 6, and the lining sleeve will be placed on the top of the cushion block 6. The height of the parts plus the cushion block 6 is higher than the flanging die seat 5, and the raised part is set according to the size of the flanging, and then the pressure cylinder 3 is controlled to drive the flanging pressure head 4 to descend, and the central part of the flanging pressure head 4 will enter the interior of the lining member, and the flanging part of the upper part of the flanging pressure head 4 with a diameter larger than the central part will squeeze the upper end of the lining member to flanging, during which the flanging part of the flanging pressure head 4 is designed to fit the inner wall of the positioning ring 16, which can play a positioning role before extruding the flanging, and when the cushion block 6 contacts the base 1, the flanging pressure head 4 continues to descend to complete the flanging, and at this time the cushion block 6 contacts the base 1. The lubricating oil under the block 6 will enter the upper space of the flanging die base 5 from the oil hole 10 under the condition of space compression, and gradually rise through the opening of the bushing under the extrusion of the flanging pressure head 4 until it rises into the positioning ring 16 to provide sufficient lubrication to the extrusion point to reduce wear. After the flanging is completed, the flanging pressure head 4 rises and the lubricating oil returns to the flanging die base 5. After the bushing after flanging is taken out, the cushion block 6 continues to be lifted by the buffer spring 9, and the lubricating oil returns to the bottom of the flanging die base 5 through the oil hole 10 to lubricate the next workpiece.

[0024] Specifically, a flange connection edge 11 is provided at the bottom of the flanging die base 5 and is fixed to the base 1 by screws 12 ; in this embodiment, the flanging die base 5 is easily disassembled and replaced by the detachable screws 12 .

[0025] Specifically, a plurality of reinforcing ribs 13 are provided between the flanging die base 5 and the flange connection edge 11 ; in this embodiment, the stability of the connection between the flanging die base 5 and the flange connection edge 11 is enhanced, the overall strength is improved, and the pressure resistance is enhanced.

[0026] Specifically, a circle of annular grooves are provided at the place where the flanging die base 5 and the base 1 are in close contact, and an annular sealing ring is installed; in this embodiment, the sealing performance of the connection between the flanging die base 5 and the base 1 is improved to prevent leakage of lubricating oil.

[0027] Specifically, a spring groove 14 is provided on the base 1, and the bottom end of the buffer spring 9 is located in the spring groove 14; in this embodiment, when the cushion block 6 is squeezed and lowered, the buffer spring 9 can completely enter the spring groove 14 without interfering with the cushion block 6 being squeezed and contacting the base 1.

[0028] Specifically, the outer wall of the cushion block 6 is smooth and in close contact with the inner wall of the flanging die base 5. In this embodiment, there is no gap at the contact between the cushion block 6 and the flanging die base 5, so as to prevent the bushing from entering the gap and damaging the workpiece after extrusion.

[0029] Specifically, the top of the flanging die base 5 is provided with an annular groove 15 and a positioning ring 16; in this embodiment, it provides a positioning effect when the flanging press head 4 is extruded, and at the same time prevents the lubricating oil from flowing out from the upper end of the flanging die base 5 after extrusion.

[0030] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0031] Working principle: During flanging, the flanging die base 5 is filled with sufficient lubricating oil. Since the cushion block 6 will be lifted to a certain height by the buffer spring 9, the lubricating oil will be filled under the cushion block 6. The lining kit is placed in the flanging die base 5. The inner wall of the flanging die base 5 is designed to fit the outer wall of the lining kit. The lining kit will be against the top of the cushion block 6. The height of the lining kit plus the cushion block 6 is higher than the flanging die base 5, and the protruding part is set according to the size of the flanging. Then the pressure cylinder 3 is controlled to drive the flanging pressure head 4 to descend, and the center part of the flanging pressure head 4 will enter the inside of the lining kit. The flanging part of the upper part of the flanging pressure head 4 with a diameter larger than the center part will squeeze the upper end of the lining kit for flanging. During this period, the flanging part of the flanging pressure head 4 is in accordance with the positioning The fitting design of the inner wall of the ring 16 can play a positioning role before extrusion and flanging. When the pad 6 contacts the base 1, the flanging pressure head 4 continues to descend to complete the flanging. At this time, the lubricating oil under the pad 6 will enter the upper space of the flanging die base 5 from the oil hole 10 under the condition of space compression, and gradually rise through the opening of the bushing under the extrusion action of the flanging pressure head 4 until it rises into the positioning ring 16 to provide sufficient lubrication to the extrusion area and reduce wear. After the flanging is completed, the flanging pressure head 4 rises, and the lubricating oil returns to the flanging die base 5. After taking out the bushing after flanging, the pad 6 continues to be lifted by the buffer spring 9, and the lubricating oil returns to the bottom of the flanging die base 5 through the oil hole 10 to lubricate the next workpiece.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant bushing flanging device, comprising a base (1), characterized in that: A bracket (2) is installed on the base (1), and a downward pressure cylinder (3) is fixed on the top plate of the bracket (2). A flanging pressure head (4) is installed after the piston rod of the pressure cylinder (3) passes through the top plate of the bracket (2). A flanging die base (5) located below the flanging pressure head (4) is installed on the base (1), and a cushion block (6) is installed in the flanging die base (5). The outer wall of the cushion block (6) is tightly attached to the inner wall of the flanging die base (5). The base (1) is provided with a positioning groove (7) located in the flanging die base (5), and a positioning rod (8) located in the positioning groove (7) is provided at the bottom of the cushion block (6). The positioning rod (8) is covered with a buffer spring (9). Lubricating oil is filled in the flanging die base (5), and the cushion block (6) is provided with an oil hole (10) passing through from top to bottom.

2. The wear-resistant bushing flanging device according to claim 1, characterized in that: The bottom of the flanging die base (5) is provided with a flange connection edge (11) and is fixed to the base (1) by screws (12).

3. The wear-resistant bushing flanging device according to claim 2, characterized in that: A plurality of reinforcing ribs (13) are provided between the flanging die base (5) and the flange connection edge (11).

4. The wear-resistant bushing flanging device according to claim 1, characterized in that: A circle of annular groove is provided at the place where the flanging die seat (5) and the base (1) are in close contact, and an annular sealing ring is installed.

5. The wear-resistant bushing flanging device according to claim 1, characterized in that: The base (1) is provided with a spring groove (14), and the bottom end of the buffer spring (9) is located in the spring groove (14).

6. The wear-resistant bushing flanging device according to claim 1, characterized in that: The outer wall of the cushion block (6) is smooth and is in close contact with the inner wall of the flanging die base (5).

7. The wear-resistant bushing flanging device according to claim 1, characterized in that: The top end of the flanging die base (5) is provided with an annular groove (15) and is provided with a positioning ring (16).

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