A fixed clamp for processing a kingpin

Abstract

The utility model relates to the technical field of main pin shaft processing especially is a kind of fixed clamp for main pin shaft processing, it can be fixed to main pin shaft simultaneously by setting this equipment, its stress is uniform, can guarantee the fixed effect to main pin shaft, and can guide main pin shaft to enter center alignment state, improve clamping effect;Including workbench, two groups of vertical plate, six groups of first screw rod, six groups of moving block, six groups of adjusting plate, six groups of arc clamping plate, six groups of first motor, six groups of elastic component, two groups of center positioning device and moving device, workbench bottom end is provided with four groups of supporting leg, moving device is installed in workbench left side, two groups of vertical plate are respectively installed in workbench top end right side and moving device, and three groups of installation grooves are equally distributed and set in the two groups of vertical plate inner end, six groups of first screw rod are respectively rotatably installed in six groups of installation grooves of two groups of vertical plate, and two groups of center positioning device are installed in two groups of vertical plate middle part.

Description

Technical Field

[0001] This utility model relates to the technical field of master pin machining, and in particular to a fixing fixture for master pin machining. Background Technology

[0002] The kingpin is a crucial component of a vehicle's steering system, especially in heavy-duty trucks, buses, and certain specialized equipment. It connects the front axle to the steering knuckle arm and allows the wheels to rotate around it during steering. The design of the kingpin is essential for ensuring the vehicle's handling, stability, and safety.

[0003] In the process of machining cylindrical parts such as main pins, such as turning, milling or drilling, manual clamping fixtures are usually used for clamping. However, the clamping force of traditional chucks is unevenly distributed, which can easily cause the main pin to shift or rotate during the machining process, affecting the machining accuracy. In addition, the position and clamping force of the fixture need to be adjusted many times, which is cumbersome and reduces production efficiency. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a fixing fixture for machining a main pin shaft. By setting this device, the main pin shaft can be clamped and fixed simultaneously, with uniform force distribution, which can ensure the fixing effect of the main pin shaft. Moreover, it can guide the main pin shaft into a center alignment state, thereby improving the clamping effect.

[0005] This utility model discloses a fixing fixture for machining a main pin shaft, comprising a worktable, two sets of upright plates, six sets of first screws, six sets of moving blocks, six sets of adjusting plates, six sets of arc-shaped clamping plates, six sets of first motors, six sets of elastic components, two sets of center positioning devices, and a moving device. The worktable has four sets of support legs at its bottom end. The moving device is installed on the left side of the worktable. The two sets of upright plates are respectively installed on the right side of the top of the worktable and on the moving device. Each of the two sets of upright plates has three sets of mounting slots evenly distributed on its inner end. The six sets of first screws are rotatably mounted on the six sets of first motors on the two sets of upright plates. Within the mounting slots, six sets of movable blocks slide within the six slots of the two sets of upright plates. The six sets of movable blocks are threadedly connected to the six sets of first screws. Six sets of adjusting plates are installed at the inner ends of the six sets of movable blocks. Six sets of arc-shaped clamping plates are installed at the inner ends of the six sets of adjusting plates through six sets of elastic components. Operating slots are provided on the outer sides of the six mounting slots of the two sets of upright plates. Six sets of first motors are installed in the six operating slots of the two sets of upright plates. The output ends of the six sets of first motors are connected to the outer ends of the six sets of first screws. Two sets of center positioning devices are installed in the middle of the two sets of upright plates.

[0006] Preferably, the elastic component includes two sets of telescopic tubes, two sets of telescopic rods, and two sets of springs. The two sets of telescopic tubes are respectively installed on the inner end of the adjusting plate, the two sets of telescopic rods are respectively installed on the outer end of the arc-shaped clamping plate, and the two sets of springs are respectively sleeved on the outer side of the two sets of telescopic rods.

[0007] Preferably, the central positioning device is configured with two sets of adsorption plates and two sets of vacuum pumps. The two sets of adsorption plates are respectively installed in the middle of the inner end of the two sets of upright plates, and the two sets of vacuum pumps are respectively installed in the outer end of the two sets of upright plates. The input ends of the two sets of vacuum pumps pass through the two sets of upright plates and are connected to the two sets of adsorption plates.

[0008] Preferably, the moving device includes two sets of fixed plates, a second screw, a moving plate, and a second motor. The two sets of fixed plates are installed on the left side of the bottom end of the workbench. The second screw is rotatably installed on the inner end of the two sets of fixed plates. An elongated hole is provided on the left side of the workbench. The moving plate is installed on the bottom end of the left vertical plate and slides in the elongated hole of the workbench. The moving plate is threadedly connected to the second screw. The second motor is installed on the right end of the right fixed plate, and the output end of the second motor passes through the right fixed plate and is connected to the right end of the second screw.

[0009] Preferably, it also includes a controller, which is installed on the front right side of the top of the workbench and is electrically connected to the six sets of first motors.

[0010] Preferably, it also includes four sets of guide rods, which are respectively installed at the four corners of the right end of the left side plate, and the four sets of guide rods are slidably connected to the four corners of the right side plate.

[0011] Preferably, it also includes four sets of limiting plates, which are respectively installed on the right end of the four sets of guide rods.

[0012] Preferably, the arc-shaped clamp is made of polyoxymethylene material.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting this device, the main pin shaft can be clamped and fixed at the same time, and the force is uniform, which can ensure the fixing effect of the main pin shaft. Moreover, it can guide the main pin shaft into the center alignment state, thereby improving the clamping effect. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 yes Figure 1 A magnified structural diagram of A in the middle;

[0016] Figure 3 yes Figure 1 A magnified structural diagram of B in the diagram;

[0017] Figure 4 yes Figure 1 A magnified structural diagram of C;

[0018] The following are labels in the attached diagram: 1. Workbench; 2. Support leg; 3. Vertical plate; 4. First screw; 5. Moving block; 6. Adjusting plate; 7. Arc-shaped clamping plate; 8. First motor; 9. Telescopic tube; 10. Telescopic rod; 11. Spring; 12. Adsorption plate; 13. Vacuum pump; 14. Fixed plate; 15. Second screw; 16. Moving plate; 17. Second motor; 18. Controller; 19. Guide rod; 20. Limiting plate. Detailed Implementation

[0019] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0021] Unless otherwise defined, 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 pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0022] like Figures 1 to 4As shown, this utility model discloses a fixing fixture for machining a main pin shaft, comprising a worktable 1, two sets of upright plates 3, six sets of first screws 4, six sets of moving blocks 5, six sets of adjusting plates 6, six sets of arc-shaped clamping plates 7, six sets of first motors 8, six sets of elastic components, two sets of center positioning devices, and a moving device. The worktable 1 has four sets of support legs 2 at its bottom end. The moving device is installed on the left side of the worktable 1. The two sets of upright plates 3 are respectively installed on the right side of the top of the worktable 1 and on the moving device. Three sets of mounting grooves are evenly distributed on the inner ends of the two sets of upright plates 3. The six sets of first screws 4 are rotatably mounted on the two sets of upright plates 3. Within the six sets of mounting slots, six sets of moving blocks 5 slide within the six sets of slots of the two sets of upright plates 3 respectively. The six sets of moving blocks 5 are threadedly connected to the six sets of first screws 4. Six sets of adjusting plates 6 are respectively installed at the inner ends of the six sets of moving blocks 5. Six sets of arc-shaped clamping plates 7 are respectively installed at the inner ends of the six sets of adjusting plates 6 through six sets of elastic components. Operating slots are provided on the outer sides of the six sets of mounting slots of the two sets of upright plates 3. Six sets of first motors 8 are respectively installed in the six sets of operating slots of the two sets of upright plates 3. The output ends of the six sets of first motors 8 are respectively connected to the outer ends of the six sets of first screws 4. Two sets of center positioning devices are installed in the middle of the two sets of upright plates 3.

[0023] The distance between the two sets of upright plates 3 is adjusted according to the length of the main pin. By opening the moving device, the moving device drives the left upright plate 3 to move to the left. After the two sets of upright plates 3 are adjusted to a suitable distance, the main pin is placed between the two sets of upright plates 3. Then, the six sets of first motors 8 are turned on, which drive the six sets of first screws 4 to rotate. The six sets of first screws 4 are threadedly connected to the six sets of moving blocks 5. The six sets of moving blocks 5 drive the six sets of arc-shaped clamping plates 7 to move inward through the six sets of adjusting plates 6 and the six sets of elastic components. The six sets of arc-shaped clamping plates 7 clamp the main pin. Then, the moving device is turned on, which drives the left upright plate 3 to move to the right. At the same time, the two sets of center positioning devices are turned on, which center the two ends of the main pin. By setting this device, the main pin can be clamped and fixed at the same time. Its force is even, which can ensure the fixing effect of the main pin. Moreover, it can guide the main pin into the center alignment state, improving the clamping effect.

[0024] As a preferred embodiment of the above, the elastic component includes two sets of telescopic tubes 9, two sets of telescopic rods 10 and two sets of springs 11. The two sets of telescopic tubes 9 are respectively installed on the inner end of the adjusting plate 6, the two sets of telescopic rods 10 are respectively installed on the outer end of the arc-shaped clamping plate 7, and the two sets of springs 11 are respectively sleeved on the outer side of the two sets of telescopic rods 10.

[0025] By setting up the telescopic tube 9, telescopic rod 10 and spring 11, the main pin shaft can be elastically clamped and fixed, effectively preventing the main pin shaft from shifting or slipping during processing.

[0026] As a preferred embodiment of the above, the center positioning device is configured as two sets of adsorption plates 12 and two sets of vacuum pumps 13. The two sets of adsorption plates 12 are respectively installed in the middle of the inner end of the two sets of upright plates 3, and the two sets of vacuum pumps 13 are respectively installed in the outer end of the two sets of upright plates 3. The input ends of the two sets of vacuum pumps 13 pass through the two sets of upright plates 3 and are connected to the two sets of adsorption plates 12.

[0027] By setting up the adsorption plate 12 and the vacuum pump 13, and by turning on the two sets of vacuum pumps 13, the two sets of vacuum pumps 13 will extract the air from the two sets of adsorption plates 12, thereby enabling the two sets of adsorption plates 12 to center-position the two ends of the main pin shaft, and guiding the main pin shaft into a center-aligned state.

[0028] As a preferred embodiment of the above, the moving device includes two sets of fixed plates 14, a second screw 15, a moving plate 16, and a second motor 17. The two sets of fixed plates 14 are installed on the left side of the bottom end of the workbench 1. The second screw 15 is rotatably installed on the inner end of the two sets of fixed plates 14. An elongated hole is provided on the left side of the workbench 1. The moving plate 16 is installed on the bottom end of the left side upright plate 3. The moving plate 16 slides in the elongated hole of the workbench 1. The moving plate 16 is threadedly connected to the second screw 15. The second motor 17 is installed on the right end of the right side fixed plate 14. The output end of the second motor 17 passes through the right side fixed plate 14 and is connected to the right end of the second screw 15.

[0029] By setting up a fixed plate 14, a second screw 15, a movable plate 16, and a second motor 17, the second motor 17 is turned on, which drives the second screw 15 to rotate. The second screw 15 is threadedly connected to the movable plate 16, which in turn drives the left vertical plate 3 to move. This facilitates the adjustment of the distance between the two sets of vertical plates 3, thereby facilitating the clamping and fixing of main pins of different lengths.

[0030] As a preferred embodiment of the above, it also includes a controller 18, which is installed on the front right side of the top of the workbench 1 and is electrically connected to the six sets of first motors 8.

[0031] By setting up controller 18, it is easy to simultaneously control the start-up of six sets of first motors 8.

[0032] As a preferred embodiment of the above embodiment, it further includes four sets of guide rods 19, which are respectively installed at the four corners of the right end of the left side plate 3, and the four sets of guide rods 19 are slidably connected to the four corners of the right side plate 3.

[0033] By setting guide rod 19, the stability of the left side upright plate 3 when it moves can be guaranteed.

[0034] As a preferred embodiment of the above, it also includes four sets of limiting plates 20, which are respectively installed on the right ends of four sets of guide rods 19;

[0035] By setting the limiting plate 20, the guide rod 19 can be limited.

[0036] As a preferred embodiment of the above embodiments, the arc-shaped clamp 7 is made of polyoxymethylene (POM) material;

[0037] Polyoxymethylene (POM) is not only wear-resistant, but also has a higher coefficient of friction and good mechanical strength compared to other polymer materials. It can provide sufficient clamping force while protecting the surface of the master pin from damage.

[0038] This utility model discloses a fixing fixture for machining a main pin shaft. During operation, the distance between the two sets of vertical plates 3 is first adjusted according to the length of the main pin shaft. The second motor 17 is then turned on, driving the second screw 15 to rotate. The second screw 15 is threadedly connected to the moving plate 16, which in turn moves the left vertical plate 3. After the two sets of vertical plates 3 are adjusted to a suitable distance, the main pin shaft is placed between the two sets of vertical plates 3. Then, the six sets of first motors 8 are turned on, driving the six sets of first screws 4 to rotate. The six sets of first screws 4 are threadedly connected to the six sets of moving blocks 5. The moving block 5, through the action of six sets of adjusting plates 6, multiple sets of telescopic tubes 9, multiple sets of telescopic rods 10, and multiple sets of springs 11, drives six sets of arc-shaped clamping plates 7 to move inward. The six sets of arc-shaped clamping plates 7 clamp the main pin shaft. Then, the second motor 17 is turned on, which drives the second screw 15 to rotate. The second screw 15 is threadedly connected to the moving plate 16, which drives the left vertical plate 3 to move. At the same time, two sets of vacuum pumps 13 are turned on, which extract the air from the two sets of adsorption plates 12, so that the two sets of adsorption plates 12 can center the two ends of the main pin shaft.

[0039] The fixing fixture for machining a main pin shaft of this utility model has common mechanical installation, connection or setting methods. As long as it can achieve its beneficial effect, it can be implemented. The first motor 8, vacuum pump 13, second motor 17 and controller 18 of the fixing fixture for machining a main pin shaft of this utility model are purchased from the market. Technical personnel in this industry only need to install and operate it according to the accompanying instruction manual.

[0040] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A fixing fixture for machining a master pin, characterized in that, The system includes a workbench (1), two sets of upright plates (3), six sets of first screws (4), six sets of moving blocks (5), six sets of adjusting plates (6), six sets of arc-shaped clamps (7), six sets of first motors (8), six sets of elastic components, two sets of center positioning devices, and a moving device. The workbench (1) has four sets of support legs (2) at its bottom. The moving device is installed on the left side of the workbench (1). The two sets of upright plates (3) are respectively installed on the right side of the top of the workbench (1) and on the moving device. Three sets of mounting slots are evenly distributed on the inner ends of the two sets of upright plates (3). The six sets of first screws (4) are rotatably installed in the six sets of mounting slots of the two sets of upright plates (3). The movable blocks (5) slide in the six slots of the two sets of upright plates (3), the six sets of movable blocks (5) are threadedly connected to the six sets of first screws (4), the six sets of adjusting plates (6) are installed in the inner end of the six sets of movable blocks (5), the six sets of arc-shaped clamps (7) are installed in the inner end of the six sets of adjusting plates (6) through the six sets of elastic components, the outer side of the six sets of mounting slots of the two sets of upright plates (3) is provided with operating slots, the six sets of first motors (8) are installed in the six sets of operating slots of the two sets of upright plates (3), the output ends of the six sets of first motors (8) are connected to the outer end of the six sets of first screws (4), and the two sets of center positioning devices are installed in the middle of the two sets of upright plates (3).

2. The fixing fixture for machining a main pin shaft as described in claim 1, characterized in that, The elastic component includes two sets of telescopic tubes (9), two sets of telescopic rods (10) and two sets of springs (11). The two sets of telescopic tubes (9) are respectively installed on the inner end of the adjusting plate (6), the two sets of telescopic rods (10) are respectively installed on the outer end of the arc-shaped clamp (7), and the two sets of springs (11) are respectively sleeved on the outer side of the two sets of telescopic rods (10).

3. The fixing fixture for machining a main pin shaft as described in claim 1, characterized in that, The central positioning device is configured with two sets of adsorption plates (12) and two sets of vacuum pumps (13). The two sets of adsorption plates (12) are respectively installed in the middle of the inner end of the two sets of upright plates (3), and the two sets of vacuum pumps (13) are respectively installed in the outer end of the two sets of upright plates (3). The input end of the two sets of vacuum pumps (13) passes through the two sets of upright plates (3) and is connected to the two sets of adsorption plates (12).

4. The fixing fixture for machining a main pin shaft as described in claim 1, characterized in that, The moving device includes two sets of fixed plates (14), a second screw (15), a moving plate (16), and a second motor (17). The two sets of fixed plates (14) are installed on the left side of the bottom end of the workbench (1). The second screw (15) is rotatably installed on the inner end of the two sets of fixed plates (14). The left side of the workbench (1) is connected with an elongated hole. The moving plate (16) is installed on the bottom end of the left side upright plate (3). The moving plate (16) slides in the elongated hole of the workbench (1). The moving plate (16) is threadedly connected to the second screw (15). The second motor (17) is installed on the right end of the right side fixed plate (14). The output end of the second motor (17) passes through the right side fixed plate (14) and is connected to the right end of the second screw (15).

5. A fixing fixture for machining a main pin shaft as described in claim 1, characterized in that, It also includes a controller (18), which is installed on the front right side of the top of the workbench (1) and is electrically connected to the six sets of first motors (8).

6. The fixing fixture for machining a main pin shaft as described in claim 1, characterized in that, It also includes four sets of guide rods (19), which are installed at the four corners of the right end of the left side plate (3) and are slidably connected to the four corners of the right side plate (3).

7. A fixing fixture for machining a master pin shaft as described in claim 6, characterized in that, It also includes four sets of limiting plates (20), which are installed on the right end of the four sets of guide rods (19).

8. A fixing fixture for machining a main pin shaft as described in claim 1, characterized in that, The arc-shaped clamp (7) is made of polyoxymethylene (POM) material.

Images