Automatic bushing press-fitting mechanism for steering knuckle
By using a horizontally movable clamping base and a vertically movable clamping guide plate, combined with translation cylinders and clamping cylinders, the problem of center of gravity shift and tilting during the press-fitting process of steering knuckles is solved, realizing high-precision automated press-fitting and continuous feeding, and adapting to steering knuckles of different specifications.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-26
- Publication Date
- 2026-04-07
AI Technical Summary
Existing steering knuckle pressing equipment suffers from problems such as shifting center of gravity and irregular shape leading to pressing displacement and tilting. Furthermore, it has poor flexibility in adjusting clamping force and poor adaptability, requiring frequent fixture replacements, which affects pressing accuracy and efficiency.
The system employs a horizontally movable clamping base and a vertically movable clamping guide plate, combined with translation cylinders and clamping cylinders, to achieve surface contact limiting. This, along with an automated feeding system consisting of a four-axis robot and a bushing hopper, ensures the stability and accuracy of the pressing process.
It improves the limit fit of the steering knuckle, avoids displacement and tilting, adapts to steering knuckles of different specifications, shortens equipment changeover time, and improves pressing accuracy and automated feeding efficiency.
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Figure CN121798339A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of parts processing technology, and specifically to an automatic press-fit bushing mechanism for steering knuckles. Background Technology
[0002] As a critical load-bearing and force-transmitting component, the assembly accuracy of the steering knuckle and its bushing affects the stability and lifespan of the target equipment after it is installed. Currently, due to their structural design characteristics, steering knuckles generally exhibit center-of-gravity shift, irregular shapes, and dispersed stress points, making them prone to horizontal displacement and tilting during press-fitting. Existing technologies typically use a single cylinder or mechanical clamp for pressing, resulting in poor flexibility in adjusting the pressing force and an unreasonable distribution of pressing points. While some equipment incorporates a limiting structure, the limiting stroke is fixed, leading to poor adaptability. Frequent clamp changes are required for different steering knuckle specifications, which is not only cumbersome but also prone to causing slight displacement during press-fitting due to insufficient clamp-steering knuckle fit, affecting the pressing effect. To address these problems with existing steering knuckle press-fitting bushings, some existing technologies are working to improve them, such as the patented technology KR10. Patent 2879858B1 discloses an unmanned assembly system based on the automatic insertion of grippers and nuts, but its core focuses on the assembly of bolt-connected parts. Similarly, the bushing press-fit assembly device disclosed in existing patent technology KR1020250136569A achieves forced pressing of bushings. Existing patent technology JP7505960B2 discloses a multi-model bushing press-fit device, which focuses on adapting to workpiece clamping of different models. However, existing technologies still have room for improvement in solving the problems of center of gravity offset, adaptability, and press-fit positioning accuracy. Summary of the Invention
[0003] The purpose of this invention is to provide an automatic press-fit bushing mechanism for steering knuckles, which solves the problems of press-fit displacement and tilting caused by steering knuckle center of gravity shift and irregular shape, and eliminates the need for frequent fixture replacement, with high press-fit accuracy.
[0004] To solve the above-mentioned technical problems, the present invention specifically provides the following technical solution: an automatic steering knuckle press-fit bushing mechanism, including a press-fit assembly, a press-fit frame for mounting a press, a press-fit base below the press, a clamping base on one side of the press-fit base that can be horizontally displaced relative to the press-fit base, a clamping guide plate on the clamping base that can be vertically displaced relative to the press-fit base, and a clamping cylinder above the clamping base that can be displaced relative to the press-fit base. The press-fit base is used to place the steering knuckle. During the press-fitting process, the clamping base is driven by a translation cylinder to adjust its horizontal position along the press-fit base, and the clamping point can be adapted according to the center of gravity distribution of different specifications of steering knuckles. In conjunction with the clamping cylinder, the clamping guide plate is driven to press vertically downwards, forming a limiting constraint through surface contact with the steering knuckle. This improves the limiting fit of the steering knuckle and avoids displacement and tilting problems.
[0005] According to one embodiment of the present invention, the press-fitting frame is provided with two press-fitting base plates spaced apart and parallel to each other. The two press-fitting base plates are connected by a column. The press is located on the upper press-fitting base plate, and the press base is located on the lower press-fitting base plate. The position of the press corresponds to the position of the press base. The present invention fixes the press and the press base to the upper and lower press-fitting base plates respectively, avoiding relative misalignment between the press and the press base. This helps to reduce the deformation caused by pressure impact during the press-fitting process, and allows the press-fitting force output by the press to be transmitted vertically and evenly to the assembly surface of the bushing and the steering knuckle, preventing damage to parts caused by local stress concentration, and also ensuring that the bushing press-fitting depth is consistent and the fit is tight.
[0006] According to one embodiment of the present invention, a translation cylinder connected to a clamping base is connected to the lower pressing base plate. The translation cylinder can drive the clamping base to move horizontally relative to the pressing base, thereby adjusting the clamping position in real time according to the center of gravity distribution and external dimensions of the steering knuckle, so that the clamping guide plate can form a better limiting fit with the steering knuckle, and can avoid the need for frequent fixture changes. That is, by adjusting the stroke of the translation cylinder, it can be adapted to various specifications of steering knuckles, thereby shortening the equipment changeover time.
[0007] According to one embodiment of the present invention, a transverse moving assembly is connected to the bottom surface of the upper pressing substrate. The transverse moving assembly includes a vertically arranged transverse moving substrate, one end of which is located outside the pressing substrate. The transverse moving substrate has a moving block and a transverse moving cylinder for driving the moving block to move horizontally. The transverse moving substrate has a sliding guide rail for mounting the moving block, and the moving block can move to the transverse moving substrate area outside the pressing substrate. One end of the transverse moving substrate extends to the outside of the pressing substrate, which enables the moving block to switch between the pressing area and the outer material picking area. In conjunction with the transverse moving cylinder driving the moving block to move along the sliding guide rail to transport the bushing, the problem of large alignment deviation of the conveying structure and limited working area is solved. Furthermore, the transverse moving cylinder can adjust the horizontal conveying position of the bushing in real time according to the position of the steering knuckle assembly hole, and the extension of the transverse moving substrate to the outside provides sufficient space for the four-axis robot to pick up the material, avoiding interference between the picking and pressing actions.
[0008] According to one embodiment of the present invention, a lifting cylinder capable of vertical displacement relative to the pressing base is provided on the side of the moving block, and a clamping cylinder for clamping the workpiece is provided at the bottom of the lifting cylinder. The workpiece clamped by the clamping cylinder is a bushing. By clamping and fixing the bushing with the clamping cylinder, the bushing is prevented from loosening or falling off during the conveying process. The lifting cylinder is further used to adjust the vertical height, which, together with the horizontal displacement of the transverse component, realizes the alignment of the bushing from the material picking position to the steering knuckle assembly hole. The coaxiality of the bushing and the steering knuckle assembly hole can be ensured without manual calibration, and the bushing conveying process is also simplified.
[0009] According to one embodiment of the present invention, the clamping guide plate has an opening that allows the workpiece held by the clamping cylinder to pass through. Before the bushing is pressed into the steering knuckle, the clamping cylinder in the clamping base drives the clamping guide plate to move downward and contact the steering knuckle to limit and press it. This allows the clamping guide plate to clamp the steering knuckle in advance to avoid displacement or tilting that may occur due to the shift of its center of gravity. Then, the bushing is pressed into the steering knuckle by the press.
[0010] According to one embodiment of the present invention, a bushing material library is provided on the side of the press assembly. The bushing material library includes a first frame, a first base plate is provided on the first frame, and a mounting support rod is provided on the first base plate at a distance from it. A bushing placement plate is placed on the upper part of the mounting support rod, and a clamping component is provided on the mounting support rod for clamping and limiting the bushing placement plate.
[0011] The first base plate and the mounting support rod can be used to place and support the bushing placement plate. Specifically, it needs to be used with the clamping components on the mounting support rod to clamp and limit the bushing placement plate, so as to prevent the bushing placement plate from shifting or shaking during the feeding process, which would cause the four-axis robot to fail to grasp it. This solves the problems of low efficiency and poor positioning of manual feeding and reduces the frequency of manual replenishment.
[0012] According to one embodiment of the present invention, the clamping assembly includes telescopic motors disposed on both sides of the bushing placement plate. The output end of the telescopic motors is connected to a clamping base plate capable of contacting or separating from the bushing placement plate. The mounting support rod has a slider connected to the bottom surface of the clamping base plate and a slide rail slidably connected to the slider. The telescopic motors can drive the clamping base plate to slide smoothly along the slide rail, thereby achieving contact or separation from the bushing placement plate. This enables clamping and limiting of the bushing placement plate, and the bidirectional clamping can form a balanced constraint force on the bushing placement plate from both sides, avoiding displacement or tilting caused by vibration or robot grasping collisions during the feeding process. This ensures the accuracy of the bushing position on the bushing placement plate and helps to provide a stable grasping reference for the first gripper of the four-axis robot. Finally, in conjunction with the conveyor belt assembly of the bushing material library and the first hydraulic cylinder, continuous and automated feeding of bushings is achieved.
[0013] According to one embodiment of the present invention, a conveyor belt assembly is provided on a first base plate, a first drive member for driving the conveyor belt assembly is provided on the side of a first frame, a lifting plate corresponding to a bushing placement plate is provided on the surface of the first base plate, and a first hydraulic cylinder for driving the lifting plate to move is provided at the bottom of the first frame. The conveyor belt assembly includes a moving track, on which a gear chain capable of moving relative to it is provided. A gear connected to the gear chain is provided at one end of the moving track. The gear is driven to rotate by the first drive member. Two moving tracks are provided on the first base plate, and the gear between the two moving tracks is connected by an optical shaft. The gear chains on the two moving tracks have corresponding moving blocks that can contact the bushing placement plate. This is achieved by the first drive member providing power to drive the gear chain to move. After the bushing placement plate, which is already filled with bushings, is placed at one end of the first base plate and contacts the moving block, it moves to a designated position. Then, the first hydraulic cylinder drives the lifting plate to move upward and contact the bushing placement plate, causing it to move upward to the height of the mounting strut. Then, the clamping assembly clamps the bushing placement plate at the height of the mounting strut. The four-axis robot uses the first robotic arm and the first gripper to pick up the bushings on the bushing placement plate and feed them into the clamping cylinder to realize material removal. After all the bushings on the bushing placement plate at the height of the mounting strut are taken, the four-axis robot picks up the empty bushing placement plate and moves it to the second frame, waiting for subsequent personnel or robotic arms to pick up the empty bushing placement plate. In this way, a production line operation is realized, and the material loading station area is saved.
[0014] According to one embodiment of the present invention, a second frame is provided at the upper part of one end of the mounting support rod, and a detection sensor is provided on the second frame. The detection sensor is used to detect the height of the bushing placement plate placed on the second frame, so as to prevent it from exceeding the preset height and causing the stacked bushing placement plates to tip over.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: The automatic steering knuckle pressing bushing mechanism of the present invention achieves the limiting of the steering knuckle through the horizontally displaceable pressing base and the vertically displaceable pressing guide plate, ensuring the stability of the position during the pressing process and improving the coaxiality of the assembly. With the help of the adjustable structure of the translation cylinder, the transverse cylinder and the steering knuckle gripper, it can adapt to the pressing requirements of different specifications of steering knuckles and bushings, shortening the equipment changeover time. In addition, through the cooperation of the bushing material library conveyor belt group, clamping components and four-axis robot, the automatic and continuous feeding of bushings is realized, reducing manual intervention. Attached Figure Description
[0016] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of an automatic press-fit bushing mechanism for steering knuckles according to the present invention; Figure 2 This is a schematic diagram of the four-axis robot solution of the present invention; Figure 3 This is a first-view schematic diagram of the bushing material storage scheme of the present invention; Figure 4 This is a second-view schematic diagram of the bushing material storage scheme of the present invention; Figure 5 This is a schematic diagram showing the connection state between the clamping assembly and the bushing placement plate of the present invention; Figure 6 This is a schematic diagram of the steering knuckle gripper scheme of the present invention; Figure 7 This is a schematic diagram of the press-fit assembly scheme of the present invention; Figure 8 This is a schematic diagram showing the connection state of the pressing substrate, the press, and the transverse moving assembly of the present invention. Figure 9 This is a schematic diagram showing the positional relationship between the press-fit substrate, press-fit base, and clamping base of the present invention. Figure 10 This is a schematic diagram of the clamping cylinder of the present invention; Figure 11 This is a schematic diagram of the transverse movement component scheme of the present invention; Figure 12 This is a schematic diagram of the steering knuckle loading platform of the present invention; Figure 13 This is a schematic diagram of the turnover table solution of the present invention.
[0018] Explanation of reference numerals in the attached drawings: 10. Bushing hopper; 11. First substrate; 12. First frame; 13. Support rod; 14. Mounting strut; 15. Detection sensor; 16. Second frame; 17. Bushing placement plate; 18. Clamping assembly; 181. Telescopic motor; 182. Clamping substrate; 183. Slide rail; 19. Conveyor belt assembly; 110. First drive component; 111. First hydraulic cylinder; 20. Four-axis robot; 21. First robotic arm; 22. First gripper; 23. First clamping substrate; 30. Pressing assembly; 31. Pressing frame; 32. Press. 33. Press-fit base plate; 34. Lateral movement assembly; 341. Lateral movement cylinder; 342. Lateral movement base plate; 35. Clamping cylinder; 36. Translation cylinder; 37. Press-fit base; 38. Pressing base; 381. Pressing guide plate; 39. Lifting cylinder; 40. Steering knuckle loading platform; 41. Loading platform; 42. Positioning plate; 43. Loading track; 44. Loading moving plate; 50. Six-axis robot; 51. Steering knuckle gripper; 52. Gripper base; 53. Second drive component; 54. Clamping limit plate; 60. Turnover table; 70. Steering knuckle; 80. Bushing. Detailed Implementation
[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0020] The concepts involved in this application will first be described with reference to the accompanying drawings. It should be noted that the following descriptions of various concepts are only for the purpose of making the content of this application easier to understand and do not constitute a limitation on the scope of protection of this application; furthermore, the embodiments and features in the embodiments of this application can be combined with each other unless otherwise specified. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0021] Example 1: As shown in the attached figure Figure 1 Appendix Figure 7 -Appendix Figure 11As shown, an automatic steering knuckle bushing pressing mechanism includes a pressing assembly 30. The pressing assembly 30 has a pressing frame 31 for mounting a press 32. A pressing base 37 is located below the press 32. A clamping base 38, capable of horizontal displacement relative to the pressing base 37, is provided on one side of the pressing base 37. A clamping guide plate 381, capable of vertical displacement relative to the pressing base 37, is located on the clamping base 38. A clamping cylinder 35, capable of displacement relative to the pressing base 37, is located above the clamping base 38. The pressing base 37 is used to place the steering knuckle 70. During pressing, a translation cylinder 36 drives the clamping base 38 to adjust its horizontal position along the pressing base 37. The clamping point can be adapted to the center of gravity distribution of steering knuckles 70 of different specifications. The clamping cylinder, in conjunction with the clamping guide plate 381, drives the clamping base 38 to press vertically downwards, forming a limiting constraint through surface contact with the steering knuckle 70. This improves the limiting fit of the steering knuckle 70 and prevents displacement and tilting.
[0022] The press frame 31 has two parallel press plates 33 spaced apart and connected by a column. The press 32 is mounted on the upper press plate 33, and the press base 37 is mounted on the lower press plate 33. The press 32 is positioned corresponding to the press base 37. This invention fixes the press 32 and press base 37 to the upper and lower press plates 33 respectively, preventing relative misalignment between them. This helps reduce deformation caused by pressure impact during pressurization, ensuring that the pressurizing force output by the press 32 is transmitted vertically and evenly to the mating surfaces of the bushing 80 and the steering knuckle 70. This prevents damage to parts caused by localized stress concentration and ensures consistent pressurization depth and tight fit of the bushing 80.
[0023] A translation cylinder 36, which is connected to the clamping base 38, is connected to the pressing base 33 located below. The translation cylinder 36 can drive the clamping base 38 to move horizontally relative to the pressing base 37. This allows the clamping position to be adjusted in real time according to the center of gravity distribution and external dimensions of the steering knuckle 70, so that the clamping guide plate 381 can form a better limiting fit with the steering knuckle 70. It also avoids the need for frequent fixture changes. That is, the stroke adjustment of the translation cylinder 36 can adapt to various specifications of steering knuckle 70, thereby shortening the equipment changeover time.
[0024] A transverse moving assembly 34 is connected to the bottom surface of the upper pressing base plate 33. The transverse moving assembly 34 includes a vertically arranged transverse moving base plate 342, one end of which is located outside the pressing base plate 33. The transverse moving base plate 34 has a moving block and a transverse moving cylinder 341 that drives the moving block to move horizontally. The transverse moving base plate 34 has a sliding guide rail for mounting the moving block, and the moving block can move to the transverse moving base plate 34 area outside the pressing base plate 33. One end of the transverse moving base plate 342 extends to the outside of the pressing base plate 33, which allows the moving block to switch between the pressing area and the outer material picking area. In conjunction with the transverse moving cylinder 341 driving the moving block to move along the sliding guide rail to transport the bushing 80, the problem of large alignment deviation of the conveying structure and limited working area is solved. Furthermore, the transverse moving cylinder 341 can adjust the horizontal conveying position of the bushing 80 in real time according to the position of the assembly hole of the steering knuckle 70, and the extension of the transverse moving base plate 342 to the outside provides sufficient space for the four-axis robot 20 to pick up materials, avoiding interference between the picking and pressing actions.
[0025] The moving block is equipped with a lifting cylinder 39 on its side, which can move vertically relative to the pressing base 37. The bottom of the lifting cylinder 39 has a clamping cylinder 35 for clamping the workpiece. The workpiece clamped by the clamping cylinder 35 is the bushing 80. The bushing 80 is clamped and fixed by the clamping cylinder 35 to prevent the bushing 80 from loosening or falling off during the conveying process. The lifting cylinder 39 is further used to adjust the vertical height. After cooperating with the horizontal displacement of the transverse component 34, the bushing 80 is aligned from the picking position to the assembly hole of the steering knuckle 70. The coaxiality of the bushing 80 and the assembly hole of the steering knuckle 70 can be ensured without manual calibration, which also simplifies the conveying process of the bushing 80.
[0026] The clamping guide plate 381 has an opening that allows the workpiece held by the clamping cylinder 35 to pass through. Before the bushing 80 is pressed into the steering knuckle 70, the clamping cylinder in the clamping base 38 drives the clamping guide plate 381 to move downward and contact the steering knuckle 70 to limit and press it. In this way, the clamping guide plate 381 can press the steering knuckle 70 in advance to avoid displacement or tilting that may occur due to the shift of its center of gravity. Then, the press 32 presses the bushing 80 into the steering knuckle 70.
[0027] As shown in the attached figure Figure 1 -Appendix Figure 5 As shown, a bushing hopper 10 is provided on the side of the press assembly 30. The bushing hopper 10 includes a first frame 12, a first base plate 11 is provided on the first frame 12, and a mounting support rod 14 is provided on the first base plate 11 at a distance from it. A bushing placement plate 17 is placed on the upper part of the mounting support rod 14, and a clamping component 18 is provided on the mounting support rod 14 for clamping and limiting the bushing placement plate 17.
[0028] The first substrate 11 and the mounting support rod 14 can be used to place and support the bushing placement plate 17. Specifically, the clamping component 18 on the mounting support rod 14 is needed to clamp and limit the bushing placement plate 17 to prevent the bushing placement plate 17 from shifting or shaking during the feeding process, which would cause the four-axis robot 20 to fail to grasp it. This solves the problems of low efficiency and poor positioning of manual feeding and reduces the frequency of manual replenishment.
[0029] The clamping assembly 18 includes telescopic motors 181 disposed on both sides of the bushing placement plate 17. The output end of the telescopic motors 181 is connected to a clamping base plate 182 that can contact or separate from the bushing placement plate 17. The mounting support rod 14 has a slider connected to the bottom surface of the clamping base plate 182 and a slide rail slidably connected to the slider. The telescopic motors 181 can drive the clamping base plate 182 to slide smoothly along the slide rail, realizing contact or separation from the bushing placement plate 17. This enables clamping and limiting of the bushing placement plate 17, and the bidirectional clamping can form a balanced constraint force on the bushing placement plate 17 from both sides, avoiding displacement or tilting caused by vibration or robot grasping collision during the feeding process, ensuring the accuracy of the bushing 80 position on the bushing placement plate 17, and helping to provide a stable grasping reference for the first gripper 22 of the four-axis robot 20. Finally, in conjunction with the conveyor belt group 19 of the bushing material library 10 and the first hydraulic cylinder 111, continuous and automated feeding of the bushing 80 is realized.
[0030] A conveyor belt assembly 19 is provided on the first base plate 11. A first driving member 110 for driving the conveyor belt assembly 19 is provided on the side of the first frame 12. A lifting plate corresponding to the bushing placement plate 17 is provided on the surface of the first base plate 11. A first hydraulic cylinder 111 for driving the lifting plate displacement is provided at the bottom of the first frame 12. The conveyor belt assembly 19 includes a moving track with a gear chain that can move relative to it. A gear connected to the gear chain is provided at one end of the moving track. The gear is driven to rotate by the first driving member 110. Two moving tracks are provided on the first base plate 11. The gear between the two moving tracks is connected by an optical shaft. The gear chain on the two moving tracks has a corresponding moving block. The moving block can contact the bushing placement plate 17. The first driving member 110 provides power to drive the gear chain to move. After the bushing placement plate 17, which is already filled with bushings 80, is placed at one end of the first base plate 11 and contacts the moving block, it moves to a designated position. Then, the first hydraulic cylinder 111 moves the bushing placement plate 17 to a designated position. The lifting plate is driven to move upward and contact the bushing placement plate 17, causing it to move upward to the height position of the mounting support rod 14. Then, the clamping assembly 18 clamps the bushing placement plate 17 at the height position of the mounting support rod 14. The four-axis robot 20 uses the first robotic arm 21 and the first gripper 22 to pick up the bushings 80 on the bushing placement plate 17 and feed them into the clamping cylinder 35 to realize material picking. After all the bushings 80 on the bushing placement plate 17 at the height position of the mounting support rod 14 have been picked up, the four-axis robot 20 picks up the empty bushing placement plate 17 and moves it to the second frame 16, waiting for subsequent personnel or robotic arms to pick up the empty bushing placement plate 17. This realizes assembly line operation and saves the area of the loading station.
[0031] A second frame 16 is provided on the upper part of one end of the mounting support rod 14, and a detection sensor 15 is provided on the second frame 16. The detection sensor 15 is used to detect the height of the bushing placement plate 17 placed on the second frame 16, so as to prevent it from exceeding the preset height and causing the stacked bushing placement plate 17 to tip over.
[0032] Example 2: This embodiment is based on the solution of Embodiment 1 and provides a further solution, see Appendix. Figure 1 Appendix Figure 2 As shown, a four-axis robot 20 is provided on the first substrate 11. The four-axis robot 20 includes a first robotic arm 21. The end of the first robotic arm 21 has a lifting rod connected thereto. The bottom of the lifting rod has a first clamping substrate 23. One end of the first clamping substrate 23 has a first gripper 22 capable of clamping a workpiece, and the other end has a detection device, such as a sensor, for detecting whether a workpiece or object is clamped on the first gripper 22.
[0033] Example 3: This embodiment is based on the solution of Embodiment 1 and provides a further solution, see Appendix. Figure 1 The press assembly 30 has a six-axis robot 50 on one side. The six-axis robot 50 has a robotic arm, and the end of its robotic arm has a steering knuckle gripper 51. See Appendix. Figure 6 As shown, the steering knuckle gripper 51 has a gripper base 52 connected to the robotic arm of the six-axis robot 50. The gripper base 52 has two mounting ramps. The mounting ramps have a gripping limiting plate 54 for gripping the steering knuckle 70 and a second driving member 53 for driving the gripping limiting plate 54 to move. The gripping limiting plate 54 is mounted on a gripping seat. The gripping seat has two parallel plate structures connected by an optical axis. The gripping limiting plate 54 has an opening that mates with the optical axis. The gripping limiting plate 54 is assembled with the optical axis and the second driving member 53 drives the gripping limiting plate 54 to move relative to the optical axis.
[0034] The present invention provides two mounting slopes on the gripper base 52 of the steering knuckle gripper 51, which, together with the second drive member 53, the clamping limit plate 54 and the clamping seat connected to the optical axis, form a bidirectional clamping, i.e., dual-station clamping. The second drive member 53 can drive the clamping limit plate 54 to move smoothly along the optical axis, realizing flexible adjustment of the clamping distance. In this way, the gripper can adapt to steering knuckles 70 with different shapes and sizes. Furthermore, the two mounting slopes help to fit the irregular shape of the steering knuckle 70, so that the clamping limit plate 54 can make close contact with the steering knuckle 70 from the fitting angle, forming a balanced clamping force and avoiding damage to the parts caused by local stress concentration.
[0035] Example 4: This embodiment is based on the solution of Embodiment 1 and provides a further solution, see Appendix. Figure 1 The press-fit assembly 30 has a steering knuckle loading platform 40 on one side, see attached document. Figure 12 As shown, the steering knuckle loading platform 40 includes a loading platform 41. The bottom of the loading platform 41 has a support to maintain a distance between it and the ground and to ensure that the loading platform 41 is parallel to the ground. At least two loading tracks 43 are provided on the loading platform 41. A positioning plate 42 is provided at one end of the loading track 43, and a detection sensor is provided on the side of the positioning plate 42 to detect whether the steering knuckle 70 has reached the designated position and is in contact with the positioning plate 42. A loading moving plate 44 is provided on the loading track 43. A rack is provided on the side of the loading track. A drive motor is provided on the loading moving plate 44. The output end of the drive motor has a gear that meshes with the rack. Thus, when the steering knuckle 70 is placed on the loading moving plate 44, a switch is used to activate the drive motor, thereby moving the loading moving plate 44 to the position of the positioning plate 42 to achieve the positioning of the steering knuckle 70. In this way, the six-axis robot 50 can accurately grasp the steering knuckle 70.
[0036] The drive motor drives the gear to mesh with the track rack, thus driving the feeding moving plate 44 to move smoothly and move the steering knuckle 70 closer to the positioning plate 42. This solves the problem of large positioning deviation when manually placing or fixing the track for feeding. The detection sensor on the side of the positioning plate 42 can provide real-time feedback on whether the steering knuckle 70 has reached the designated position. Only after ensuring accurate positioning will the six-axis robot 50 perform the grasping action, avoiding grasping failure or posture deviation caused by inaccurate positioning.
[0037] Example 5: This embodiment is based on the solution of Embodiment 1 and provides a further solution, see Appendix. Figure 1 Appendix Figure 13 As shown, the press assembly 30 has a turntable 60 on one side.
[0038] It should also be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," "linked," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.
[0039] The embodiments and / or implementation methods described above are merely preferred embodiments and / or implementation methods for implementing the technology of the present invention, and are not intended to limit the implementation methods of the technology of the present invention in any way. Any person skilled in the art can make some modifications or alterations to other equivalent embodiments without departing from the scope of the technical means disclosed in the content of the present invention, but they should still be regarded as the technology or embodiments that are substantially the same as the present invention.
[0040] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. The above descriptions are only preferred embodiments of this application. It should be noted that due to the limitations of written expression, while there are objectively infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of this application, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the inventive concept and technical solution to other situations without modification, should all be considered within the scope of protection of this application.
Claims
1. An automatic press-fit bushing mechanism for steering knuckles, comprising a press-fit assembly (30) having a press-fit frame (31) for mounting a press (32), characterized in that, The press (32) has a pressing base (37) below it. A pressing base (38) is provided on one side of the pressing base (37) and can be horizontally displaced relative to the pressing base (37). A pressing guide plate (381) is provided on the pressing base (38) and can be vertically displaced relative to the pressing base (37). A clamping cylinder (35) is provided above the pressing base (38) and can be displaced relative to the pressing base (37).
2. The automatic steering knuckle press-fit bushing mechanism according to claim 1, characterized in that, The press frame (31) is provided with two press plates (33) that are spaced apart and parallel to each other. The two press plates (33) are connected by a column. The press (32) is located on the upper press plate (33), and the press base (37) is located on the lower press plate (33). The position of the press (32) corresponds to that of the press base (37).
3. The automatic steering knuckle press-fit bushing mechanism according to claim 2, characterized in that, A translation cylinder (36) connected to a pressing base (38) is connected to the pressing base (33) located below.
4. The automatic steering knuckle press-fit bushing mechanism according to claim 2, characterized in that, A transverse assembly (34) is connected to the bottom surface of the upper press-fit substrate (33). The transverse assembly (34) includes a vertically arranged transverse substrate (342). One end of the transverse substrate (342) is located outside the press-fit substrate (33). The transverse substrate (34) has a moving block and a transverse cylinder (341) for driving the moving block to move horizontally. The transverse substrate (34) has a sliding guide rail for mounting the moving block. The moving block can move to the transverse substrate (34) area outside the press-fit substrate (33).
5. The automatic steering knuckle press-fit bushing mechanism according to claim 4, characterized in that, The side of the movable block is provided with a lifting cylinder (39) that can move vertically relative to the press base (37), and the bottom of the lifting cylinder (39) has a clamping cylinder (35) for clamping the workpiece.
6. The automatic steering knuckle press-fit bushing mechanism according to claim 5, characterized in that, The clamping guide plate (381) has an opening that allows the workpiece held by the clamping cylinder (35) to pass through.
7. The automatic steering knuckle press-fit bushing mechanism according to claim 1, characterized in that, The press assembly (30) is provided with a bushing material library (10) on its side. The bushing material library (10) includes a first frame (12). The first frame (12) is provided with a first base plate (11). The first base plate (11) has an installation support rod (14) spaced apart from it. A bushing placement plate (17) is placed on the upper part of the installation support rod (14). The installation support rod (14) has a clamping assembly (18) for clamping and limiting the bushing placement plate (17).
8. The automatic steering knuckle press-fit bushing mechanism according to claim 7, characterized in that, The clamping assembly (18) includes telescopic motors (181) disposed on both sides of the bushing placement plate (17). The output end of the telescopic motor (181) is connected to a clamping base plate (182) that can contact or separate from the bushing placement plate (17). The mounting support rod (14) has a slider connected to the bottom surface of the clamping base plate (182) and a slide rail slidably connected to the slider.
9. The automatic steering knuckle press-fit bushing mechanism according to claim 7, characterized in that, The first substrate (11) is provided with a conveyor belt assembly (19), the side of the first frame (12) is provided with a first driving member (110) for driving the conveyor belt assembly (19), the surface of the first substrate (11) is provided with a lifting plate corresponding to the bushing placement plate (17), and the bottom of the first frame (12) is provided with a first hydraulic cylinder (111) for driving the lifting plate to move.
10. The automatic steering knuckle press-fit bushing mechanism according to claim 9, characterized in that, The upper part of one end of the mounting support rod (14) is provided with a second frame (16), and the second frame (16) is provided with a detection sensor (15).
Citation Information
Patent Citations
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