Clamping head for knuckle bushing press fitting

Abstract

The utility model discloses a clamping head for press-fitting a steering knuckle bushing, which relates to the technical field of press-fitting a steering knuckle bushing, and comprises a fixed plate, wherein a motor is fixedly connected inside the fixed plate, a threaded rod is fixedly connected to the driving end of the motor, a movable tube is threadedly connected to the outer end of the threaded rod, a connecting plate is fixedly connected to the side end of the movable tube, a connecting rod is transferred inside the connecting plate, a clamping plate is arranged at the lower end of the fixed plate, a track groove is provided inside the fixed plate, and a slider is fixedly connected to the upper end of the clamping plate. By providing a clamping plate, a plurality of clamping plates expand outwards together under the action of the motor, and the bushing can be clamped and fixed from the inside, and bushings of different diameters can be clamped and fixed, which solves the problem that when the existing bushing is pressed into the steering knuckle, bushings of different sizes need to use matching pressing rods, and each time the bushing is pressed, a pressing rod needs to be selected, which is cumbersome to operate, has low practicality, and is inconvenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of press-fitting of a steering knuckle bushing, in particular to a clamping head for press-fitting of a steering knuckle bushing. Background Art

[0002] The steering knuckle, also known as the "ram's horn", is one of the main parts of the automobile steering mechanism. It can make the car run stably and sensitively transmit the direction of travel. The function of the steering knuckle is to bear the front load of the car, support and drive the front wheels to rotate around the main axis to steer the car. The steering knuckle needs to be used in conjunction with the bushing when in use.

[0003] Automobile rubber bushing is a very important safety part in automobiles. Its performance and structure directly determine the comfort and safety performance of the automobile. Pressing the rubber bushing into the knuckle bushing hole is the most critical step in the knuckle bushing press-fitting process.

[0004] However, when the existing bushing is pressed into the steering knuckle, bushings of different sizes need to use matching pressing rods, and each time the bushing is pressed, a pressing rod needs to be selected, which is cumbersome to operate, has low practicality, and is inconvenient to use.

[0005] Therefore, we provide a clamping head for pressing the knuckle bushing to solve the above problems. Utility Model Content

[0006] 1) Technical issues solved

[0007] The utility model aims to make up for the deficiencies of the prior art and provides a clamping head for press-fitting a steering knuckle bushing.

[0008] 2) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamping head for pressing a steering knuckle bushing, comprising a fixed plate, a motor fixedly connected to the fixed plate, a threaded rod fixedly connected to the driving end of the motor, a movable tube threadedly connected to the outer end of the threaded rod, a connecting plate fixedly connected to the side end of the movable tube, a connecting rod transferred to the connecting plate, a clamping plate provided at the lower end of the fixed plate, the clamping plate and the connecting rod transferred, a track groove opened in the fixed plate, a slider fixedly connected to the upper end of the clamping plate, and the slider slidably connected in the track groove.

[0010] Furthermore, a reinforcement block is fixedly connected to the upper end of the fixing plate, and a track rod is fixedly connected to the side end of the reinforcement block, and the track rod is evenly arranged at the outer end of the fixing plate.

[0011] Furthermore, an air hammer is provided at the upper end of the fixed plate, the track rod is slidably connected in the bottom plate of the air hammer, the driving end of the air hammer is located directly above the reinforcement block, and the upper end of the air hammer is fixedly connected to a No. 1 telescopic cylinder.

[0012] Furthermore, a connecting ring is fixedly connected to the outer end of the track rod, a No. 2 telescopic cylinder is fixedly connected to the side end of the connecting ring, and the No. 2 telescopic cylinder is fixedly connected to the outer end surface of the No. 1 telescopic cylinder.

[0013] Furthermore, the side end of the No. 1 telescopic cylinder is fixedly connected to a support frame, and the lower end of the support frame is fixedly connected to a chassis.

[0014] III) Beneficial effects

[0015] Compared with the prior art, the clamping head for press-fitting the steering knuckle bushing has the following beneficial effects:

[0016] 1. The utility model is provided with a clamping plate, and the bushing is placed on the outer end of the clamping plate. Then the motor is started, and the motor drives the threaded rod to rotate. The rotation of the threaded rod cooperates with the threaded groove in the movable tube, so that the movable tube can move. The movable tube moves upward, which will cause the end of the connecting rod connected to the connecting plate to move upward. From the force analysis of the connecting rod and the clamping plate, it can be known that the connecting rod will provide thrust for the clamping plate, so that the clamping plate moves outward under the action of the slider and the track groove. Through the common outward expansion of multiple clamping plates, the bushing can be clamped and fixed from the inside, and bushings of different diameters can be clamped and fixed, which solves the problem that when the existing bushing is pressed into the steering knuckle, bushings of different sizes need to use matching pressure rods, and each time the bushing is pressed, a pressure rod needs to be selected, which is cumbersome to operate, has low practicality, and is inconvenient to use.

[0017] 2. The utility model is provided with an air hammer, which can continuously hammer the fixing plate when the bushing is pressed into the steering knuckle, so that the fixing plate presses down the bushing and clamps it into the steering knuckle. Specifically, the driving end of the air hammer hits the reinforcing block on the upper end of the fixing plate. Since the two are aligned up and down, the force and pressure applied to each part of the reinforcing block are the same, so that the fixing plate can move downward smoothly, so that the bushing will not tilt when it is pressed into the steering knuckle, avoiding the situation where the bushing tilts due to uneven force on the bushing and causes serious wear on the inner wall of the steering knuckle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0019] Figure 2 This is a schematic diagram of the structure of the pneumatic hammer of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the reinforcement block of the utility model;

[0021] Figure 4 This is a schematic diagram of the motor structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the threaded rod structure of the utility model.

[0023] In the figure: 1. fixed plate; 2. motor; 3. threaded rod; 4. moving tube; 5. connecting plate; 6. connecting rod; 7. clamping plate; 8. track groove; 9. slider; 10. reinforcement block; 11. track rod; 12. air hammer; 13. No. 1 telescopic cylinder; 14. connecting ring; 15. No. 2 telescopic cylinder; 16. support frame; 17. chassis. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: a clamping head for pressing a steering knuckle bushing, comprising a fixing plate 1, the lower end surface of the fixing plate 1 is in close contact with the upper end of the bushing, the bushing is pressed into the steering knuckle by pressing down the fixing plate 1, a motor 2 is fixedly connected inside the fixing plate 1, a threaded rod 3 is fixedly connected to the driving end of the motor 2, a moving tube 4 is threadedly connected to the outer end of the threaded rod 3, starting the motor 2 can drive the threaded rod 3 to rotate, the rotation of the threaded rod 3 cooperates with the thread groove in the moving tube 4, and the moving tube 4 can move up and down, the side end of the moving tube 4 is fixedly connected to a connecting plate 5, and a connecting rod 6 is transferred inside the connecting plate 5.

[0026] A clamping plate 7 is provided at the lower end of the fixed plate 1. The clamping plate 7 is arc-shaped, so that the contact area with the bushing can be larger, and the outer end surface of the clamping plate 7 is provided with an anti-slip groove, which can increase the friction with the inner wall of the bushing, so that the clamping plate 7 has a better fixing effect. The clamping plate 7 is connected to the connecting rod 6, and a track groove 8 is provided in the fixed plate 1. A slider 9 is fixedly connected to the upper end of the clamping plate 7, and the slider 9 is slidably connected in the track groove 8, so that the clamping plate 7 can be constrained so that it can only move along the direction of the track groove 8. When the moving tube 4 moves up and down, the end of the connecting rod 6 connected to the connecting plate 5 will move up and down with the moving tube 4, so that the connecting rod 6 will provide thrust for the clamping plate 7, so that the clamping plate 7 moves outward under the action of the slider 9 and the track groove 8, and the bushing can be clamped and fixed from the inside by the outward expansion of multiple clamping plates 7.

[0027] An air hammer 12 is provided at the upper end of the fixing plate 1. The air hammer 12 is used to hammer the fixing plate 1 to press it downward, so as to press the bushing into the steering knuckle. A reinforcing block 10 is fixedly connected to the upper end of the fixing plate 1. The reinforcing block 10 can improve the overall strength of the fixing plate 1. The driving end of the air hammer 12 is located directly above the reinforcing block 10, so that the force and pressure applied to each part of the reinforcing block 10 are the same, so that the fixing plate 1 can move downward smoothly, so that the bushing will not tilt when pressed into the steering knuckle, avoiding the situation where the inner wall of the steering knuckle is seriously worn due to the tilt of the bushing due to uneven force. The reinforcing block 10 is arranged at the outer end of the motor 2, and its upper end is higher than the highest point of the motor 2, so that the air hammer 12 will not interfere with the motor 2.

[0028] The side end of the reinforcing block 10 is fixedly connected with a track rod 11, and the track rod 11 is evenly arranged at the outer end of the fixed plate 1. The track rod 11 is slidably connected to the bottom plate of the air hammer 12. The track rod 11 is used to constrain the moving direction of the fixed plate 1 so that it can only move up and down along the track rod 11, and multiple track rods 11 can ensure the smooth movement of the fixed plate 1. The outer end of the track rod 11 is fixedly connected with a connecting ring 14, and the connecting ring 14 is used to reinforce the track rod 11 so that it will not shake.

[0029] A No. 1 telescopic cylinder 13 is fixedly connected to the upper end of the air hammer 12, and the No. 1 telescopic cylinder 13 is used to adjust the height of the air hammer 12. A No. 2 telescopic cylinder 15 is fixedly connected to the side end of the connecting ring 14, and the No. 2 telescopic cylinder 15 is fixedly connected to the outer end surface of the No. 1 telescopic cylinder 13. The No. 2 telescopic cylinder 15 is used to pull the clamping plate 7 out of the bushing after the bushing is pressed into the steering knuckle.

[0030] The side end of the No. 1 telescopic cylinder 13 is fixedly connected to a support frame 16, which is used to support and fix the No. 1 telescopic cylinder 13. The lower end of the support frame 16 is fixedly connected to a chassis 17, which is used to place a steering knuckle and ensure the stability of the support frame 16.

[0031] Working principle: Place the bushing to the outer end of the clamping plate 7, then start the motor 2, the motor 2 drives the threaded rod 3 to rotate, the threaded rod 3 rotates and cooperates with the threaded groove in the moving tube 4, so that the moving tube 4 can move, and the moving tube 4 moves upward, which will make the end of the connecting rod 6 connected to the connecting plate 5 move upward. From the force analysis of the connecting rod 6 and the clamping plate 7, it can be seen that when the end of the connecting rod 6 connected to the connecting plate 5 moves upward, the end of the connecting rod 6 connected to the clamping plate 7 will provide thrust for the clamping plate 7, so that the clamping plate 7 can move outward under the action of the slider 9 and the track groove 8. The bushing can be clamped and fixed from the inside by the outward expansion of multiple clamping plates 7, and bushings of different diameters can be clamped and fixed;

[0032] Then place the steering knuckle on the chassis 17, adjust the height of the clamping plate 7 and the bushing by the No. 1 telescopic cylinder 13, so that the bushing is located at the upper end of the bushing groove of the steering knuckle, start the air hammer 12, and the driving end of the air hammer 12 will continuously hammer the reinforcing block 10 at the upper end of the fixed plate 1, so that the fixed plate 1 presses down the bushing and presses it into the steering knuckle. After the bushing is pressed into the steering knuckle, the motor 2 reverses and the clamping plate 7 contracts inward to release the clamping of the bushing, and the fixed plate 1 and the clamping plate 7 are pulled out of the bushing by the No. 2 telescopic cylinder 15 to complete the press-fitting.

Claims

1. A clamping head for press-fitting a steering knuckle bushing, comprising a fixing plate (1), characterized in that: The fixed plate (1) is fixedly connected with a motor (2), the driving end of the motor (2) is fixedly connected with a threaded rod (3), the outer end of the threaded rod (3) is threadedly connected with a moving tube (4), the side end of the moving tube (4) is fixedly connected with a connecting plate (5), a connecting rod (6) is transferred inside the connecting plate (5), a clamping plate (7) is provided at the lower end of the fixed plate (1), the clamping plate (7) is transferred with the connecting rod (6), a track groove (8) is opened in the fixed plate (1), a slider (9) is fixedly connected to the upper end of the clamping plate (7), and the slider (9) is slidably connected in the track groove (8).

2. The clamping head for press-fitting the knuckle bushing according to claim 1, characterized in that: The upper end of the fixing plate (1) is fixedly connected to a reinforcement block (10), the side end of the reinforcement block (10) is fixedly connected to a track rod (11), and the track rod (11) is evenly arranged on the outer end of the fixing plate (1).

3. The clamping head for press-fitting the knuckle bushing according to claim 2, characterized in that: An air hammer (12) is arranged at the upper end of the fixed plate (1), the track rod (11) is slidably connected in the bottom plate of the air hammer (12), the driving end of the air hammer (12) is located directly above the reinforcing block (10), and the upper end of the air hammer (12) is fixedly connected to a No. 1 telescopic cylinder (13).

4. The clamping head for press-fitting the knuckle bushing according to claim 3, characterized in that: The outer end of the track rod (11) is fixedly connected to a connecting ring (14), the side end of the connecting ring (14) is fixedly connected to a second telescopic cylinder (15), and the second telescopic cylinder (15) is fixedly connected to the outer end surface of the first telescopic cylinder (13).

5. The clamping head for press-fitting the knuckle bushing according to claim 3, characterized in that: The side end of the No. 1 telescopic cylinder (13) is fixedly connected to a support frame (16), and the lower end of the support frame (16) is fixedly connected to a chassis (17).

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