Press fitting device for automobile steering knuckle
By designing an automobile steering knuckle pressing device including a base, bracket, workbench, roof plate and positioning pin shaft, the problems of low pressure mounting efficiency, poor accuracy and safety hazards of steering knuckle bushing are solved, and efficient and accurate automatic pressing is achieved.
Patent Information
- Application Number
- CN202422473618.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-14
AI Technical Summary
In the prior art, the bushing pressing process of the automobile steering knuckle has problems such as low efficiency, poor accuracy, poor consistency of pressing and assembly and safety hazards.
An automobile steering knuckle pressing device including a base, a bracket, a workbench, a roof plate, a drive device and a positioning pin shaft is designed. Through the coordination of the positioning pin shaft and a spring, the steering knuckle is accurately positioned and buffered and shock-absorbed, and automatic pressing is achieved using a driving motor and a ball screw.
It improves the accuracy and consistency of steering knuckle pressing, reduces labor intensity of manual operation, reduces safety risks, and achieves efficient and accurate automatic pressing.
Smart Images
Figure CN223250994U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile steering knuckle processing, in particular to an automobile steering knuckle press-fitting device. Background Art
[0002] The automobile steering knuckle is a fork-shaped component, one of the processes of which is bushing press-fitting. The pressure of bushing press-fitting is usually relatively high, usually around 10t. When the bushing is automatically press-fitted, due to the poor rigidity of the steering knuckle fork, there is elastic deformation during press-fitting, and the quality of press-fitting cannot be guaranteed.
[0003] Press-fitting is the process of pressing two steering knuckles with an interference fit into a mating position. Press-fitting is used for assembly with interference connections. Press-fitting can be performed by impacting with a hammer or a heavy object, statically with a special fixture, or using various presses. Press-fitting devices are required during the processing of automobile rear steering knuckles.
[0004] At present, the steering knuckle is mainly supported by manually holding the journal of the steering knuckle, supporting the inner opening of the steering knuckle on the support block, that is, the kingpin hole is placed vertically, and the steering knuckle is manually supported and press-fitted with a press. Manual press-fitting is inefficient. Due to the lack of precise positioning of the workpiece, the press-fitting accuracy is low and the press-fitting consistency is poor. At the same time, manual operation is labor-intensive and there are safety hazards. Utility Model Content
[0005] The purpose of the utility model is to provide a press-fitting device for an automobile steering knuckle, which solves the problems that at the current stage, the kingpin hole is placed vertically and the steering knuckle is manually supported and press-fitted with a press, the manual press-fitting is inefficient, the press-fitting precision is low and the press-fitting consistency is poor due to the lack of precise positioning of the workpiece, and the manual operation has high labor intensity and poses a safety hazard.
[0006] A car steering knuckle press-fitting device includes a base and a bracket, the bracket is installed on the lower end surface of the base, and is characterized in that it also includes a workbench and a top plate, a lifting device is provided in the middle of the lower end surface of the base, a support rod is provided between the top plate and the base, the workbench is slidably provided on the support rod, a driving device is provided on the workbench, a placing table is provided on the driving device, and a pressing plate is provided on the lower end surface of the top plate.
[0007] It is further defined that sleeves are provided at the four corners of the workbench, the sleeves pass through the workbench, the inner diameter of the sleeves matches the outer diameter of the support rod, and the sleeves are slidably connected to the support rod.
[0008] It is further defined that the driving device includes a driving motor and a ball screw, a mounting groove is provided on the workbench, a bearing is provided inside the mounting groove, the ball screw is provided at the axis center of the bearing, the ball screw is rotatably connected to the inside of the mounting groove, one end of the ball screw extends to the outside of the workbench and is connected to the output end of the driving motor, and the driving motor drives the ball screw to rotate.
[0009] It is further defined that a fixing column is provided on the lower end surface of the top plate, a clamping plate is provided on the lower end surface of the fixing column, a positioning pin is provided on the clamping plate, and the center line of the positioning pin and the center line of the fixing column are located on the same horizontal line.
[0010] It is further defined that a moving block is provided on the ball screw, a placement groove is provided on the placement platform, and a placement plate is also provided. The size of the placement plate is smaller than the size of the placement groove, a spring is provided between the bottom surface of the placement groove and the placement plate, and a positioning hole is provided on the placement plate. The size of the positioning hole matches the size of the automobile steering knuckle neck, and the automobile steering knuckle neck is inserted and placed in the positioning hole. A clamping device is provided on both sides of the placement groove on the placement platform.
[0011] It is further defined that the outer diameter of the positioning pin shaft matches the inner diameter of the automobile steering knuckle neck, and the positioning pin shaft passes through the automobile steering knuckle neck and is inserted into the positioning hole.
[0012] The beneficial effects of this utility model compared to the current technology are:
[0013] 1. The positioning pin passes through the neck of the automobile steering knuckle and is inserted into the positioning hole, which can play a better positioning role and prevent the automobile steering knuckle from deflecting during operation.
[0014] 2. A spring is provided between the bottom surface of the placement groove and the placement plate, which provides a buffering force to the placement plate during the press-fitting process, thereby effectively reducing hard impact. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the connection relationship between the drive device and the workbench of the utility model;
[0017] Figure 3 This is a schematic diagram of the main view of the placement table of the utility model;
[0018] Figure 4 for Figure 3 AA section view in.
[0019] The markings in the figure correspond to: 1-base, 2-bracket, 3-workbench, 4-top plate, 5-cylinder, 6-support rod, 7-sleeve, 8-drive motor, 9-ball screw, 10-mounting slot, 11-placement table, 12-clamping device, 13-placement slot, 14-placement plate, 15-spring, 16-positioning hole, 17-fixing column, 18-clamping plate, 19-positioning pin. DETAILED DESCRIPTION
[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments. Example
[0021] like Figures 1-4 As shown, a car steering knuckle press-fitting device includes a base 1 and a bracket 2, the bracket 2 is mounted on the lower end surface of the base 1, and also includes a workbench 3 and a top plate 4. A lifting device is provided in the middle of the lower end surface of the base 1, and the lifting device is a cylinder 5. A support rod 6 is provided between the top plate 4 and the base 1. Through holes are provided at the four corners of the workbench 3, and a sleeve 7 is provided in the through hole. The sleeve 7 passes through the workbench 3, and the inner diameter of the sleeve 7 matches the outer diameter of the support rod 6. The workbench 2 is slidably connected to the sleeve through the sleeve 7. It is connected to the support rod 6 and also includes a driving device, which includes a driving motor 8 and a ball screw 9. A mounting groove 10 is provided on the workbench 3, and a bearing is provided inside the mounting groove 10. The ball screw 9 is arranged at the axis of the bearing. The ball screw 9 is rotatably connected to the inside of the mounting groove 10. One end of the ball screw 9 extends to the outside of the workbench 3 and is connected to the output end of the driving motor 8. The driving motor 8 is installed on the outside of the workbench 3. The driving motor 8 drives the ball screw 9 to rotate. A moving block is provided on the upper portion, a placing table 11 is provided on the moving block, a pressing device 12 is provided on the left and right sides of the placing table 11, a placing groove 13 is provided on the upper end surface of the placing table 11, and a placing plate 14 is also provided. The size of the placing plate 14 is smaller than the size of the placing groove 13, and a spring 15 is provided between the bottom surface of the placing groove 13 and the lower end surface of the placing plate 14. During the pressing process, a buffering force is given to the placing plate 14, which can effectively reduce hard impact. A positioning hole 16 is provided on the placing plate 14. The positioning hole 16 The size of the steering knuckle matches the size of the automobile steering knuckle neck, and the automobile steering knuckle neck is inserted into the positioning hole 16. A fixing column 17 is provided on the lower end surface of the top plate 4, and a pressing plate 18 is provided on the lower end surface of the fixing column 17. A positioning pin 19 is provided on the pressing plate 18. The center line of the positioning pin 19 and the center line of the fixing column 17 are located on the same horizontal line. The outer diameter of the positioning pin 19 matches the inner diameter of the automobile steering knuckle neck. The positioning pin 19 passes through the automobile steering knuckle neck and is inserted into the positioning hole 16.
[0022] When in use, the neck of the automobile steering knuckle is inserted into the positioning hole 16, and the automobile steering knuckle is pressed using the clamping device 12. The driving motor 8 can drive the ball screw to rotate, thereby driving the placement table 11 to move left and right through the moving block, and placing the bushing on the automobile steering knuckle to be processed. When it moves to the appropriate position, the cylinder 5 is started, and the cylinder 5 is actuated. The output shaft drives the workbench 3 to move toward the top plate 4 on the support rod 6, and the clamping plate 18 pushes the bushing, and presses the bushing into the interior of the steering knuckle to complete the processing. During the clamping process, the locating pin shaft 19 passes through the neck of the automobile steering knuckle and is inserted into the locating hole 16, which can play a better positioning role and prevent the automobile steering knuckle from shifting during work. It solves the problem that the kingpin hole is placed vertically at this stage, and the steering knuckle is manually supported and pressed with a press. The manual pressing efficiency is low. Due to the lack of precise positioning of the workpiece, the pressing accuracy is low, the pressing consistency is poor, and the manual operation has high labor intensity and there are safety hazards.
[0023] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0024] The above is a detailed introduction to an automobile steering knuckle press-fitting device provided by the present invention. The description of the specific embodiment is only used to help understand the method and core idea of the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims
1. A vehicle steering knuckle press-fitting device, comprising a base (1) and a bracket (2), wherein the bracket (2) is mounted on the lower end surface of the base (1), and is characterized in that: It also includes a workbench (3) and a top plate (4), a lifting device is provided at the middle of the lower end surface of the base (1), a support rod (6) is provided between the top plate (4) and the base (1), the workbench (3) is slidably provided on the support rod (6), a driving device is provided on the workbench (3), a placing table (11) is provided on the driving device, and a pressing plate (18) is provided on the lower end surface of the top plate (4).
2. The automobile steering knuckle press-fitting device according to claim 1, characterized in that: Socket tubes (7) are provided at the four corners of the workbench (3), and the socket tubes (7) pass through the workbench (3). The inner diameter of the socket tube (7) matches the outer diameter of the support rod (6), and the socket tube (7) is slidably connected to the support rod (6).
3. The automobile steering knuckle press-fitting device according to claim 1, characterized in that: The driving device includes a driving motor (8) and a ball screw (9), a mounting groove (10) is provided on the workbench (3), a bearing is provided inside the mounting groove (10), the ball screw (9) is provided at the axis of the bearing, the ball screw (9) is rotatably connected inside the mounting groove (10), one end of the ball screw (9) extends to the outside of the workbench (3) and is connected to the output end of the driving motor (8), and the driving motor (8) drives the ball screw (9) to rotate.
4. The automobile steering knuckle press-fitting device according to claim 3, characterized in that: A fixing column (17) is provided on the lower end surface of the top plate (4), a pressing plate (18) is provided on the lower end surface of the fixing column (17), a positioning pin (19) is provided on the pressing plate (18), and a center line of the positioning pin (19) and a center line of the fixing column (17) are located on the same horizontal line.
5. The automobile steering knuckle press-fitting device according to claim 4, characterized in that: A moving block is provided on the ball screw (9), and a placing platform (11) is provided on the moving block. A placing groove (13) is provided on the placing platform (11), and a placing plate (14) is also provided. The size of the placing plate (14) is smaller than the size of the placing groove (13). A spring (15) is provided between the bottom surface of the placing groove (13) and the placing plate (14). A positioning hole (16) is provided on the placing plate (14). The size of the positioning hole (16) matches the size of the automobile steering knuckle neck. The automobile steering knuckle neck is inserted and placed in the positioning hole (16). A clamping device (12) is provided on both sides of the placing groove (13) on the placing platform (11).
6. The automobile steering knuckle press-fitting device according to claim 5, characterized in that: The outer diameter of the positioning pin (19) matches the inner diameter of the automobile steering knuckle neck, and the positioning pin (19) passes through the automobile steering knuckle neck and is inserted into the positioning hole (16).