A detection device for robot spherical joint production

Abstract

This invention discloses a testing device for manufacturing robot ball joints, relating to the field of ball joint testing technology. It includes a central base and a carrier. A testing mechanism is mounted on the central base, and a clamping assembly for fixing the ball joint is provided on the carrier. The testing mechanism includes a mounting frame, with an annular mounting seat fixed to the bottom end of the mounting frame. A first annular groove is formed on the annular sidewall of the annular mounting seat near the center. During testing, this invention allows the annular testing plate to be moved in different directions. Based on the reaction force, the annular testing plate moves within the first annular groove. Then, using the traction of various traction ropes, the tension is detected in real time by tension sensing components. Since the tension sensing components are arranged in a ring, force analysis can be performed based on the data fed back from each tension sensing component, thereby determining the smoothness of the ball joint's movement in various directions and detecting situations where there is significant resistance, difficulty in movement, or even jamming.

Description

Technical Field

[0001] This invention relates to the field of ball joint testing technology, and more particularly to a testing device for manufacturing robot ball joints. Background Technology

[0002] Testing the motion performance of ball joints largely relies on manual operation and subjective judgment. A common method involves operators manually swinging the ball joint repeatedly, relying on their experience to determine if there is any jamming or abnormal noise. This method is inefficient, inconsistent, and cannot quantify resistance data, making it difficult to meet the quality control requirements of modern, mass production. Some automated testing equipment uses a fixed clamp to hold one end of the ball joint, with a drive mechanism causing it to swing regularly, and indirectly assesses the motion resistance through torque or current sensors.

[0003] However, such equipment typically only performs swing tests on a single or limited number of preset paths, making it difficult to comprehensively simulate and resulting in insufficient detection coverage. Furthermore, the clamping and positioning of existing equipment is often cumbersome, or it is difficult to maintain the stability of the ball joint center throughout the test, affecting the accuracy of the test results. In addition, most existing solutions lack continuous assembly line operation capabilities, resulting in slow testing cycles and becoming a bottleneck in the production process.

[0004] Therefore, there is an urgent need for a robot ball joint motion performance testing device that can achieve automated, multi-directional, and quantitative testing, and is easy to integrate into continuous production lines. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a testing device for the production of robot ball joints.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A testing device for manufacturing robot ball joints includes a central base and a carrier. A testing mechanism is mounted on the central base, and a clamping assembly for fixing the ball joint is provided on the carrier. The testing mechanism includes: The mounting bracket has an annular mounting seat fixed at its bottom end, and a first annular groove is provided on the annular sidewall near the center of the annular mounting seat. An annular detection plate is movably installed in a first annular groove. The diameter of the annular detection plate is larger than the diameter of the inner ring of the annular mounting base and smaller than the diameter of the first annular groove. The annular detection plate and the annular mounting base are connected by a first annular elastic connection. The tension sensing assembly is installed at the bottom of the mounting frame. Multiple tension sensing assemblies are arranged in a ring. A traction rope is fixed to the top of the ring detection plate. A connecting piece is fixed to the top of the traction rope. The connecting piece and the tension sensing assembly are connected by a bracket. When no external force is applied, the ring detection plate and the ring mounting base are concentric, and each traction rope is in a vertical state. The lifting control unit is used to control the lifting of the annular mounting base.

[0007] The motion control unit is used to control the translation of the mounting bracket on the plane.

[0008] As a preferred embodiment of the present invention: a platform is rotatably mounted on the outer side of the central base, a rotation drive unit for driving the platform to rotate is mounted on the central base, a circumferentially distributed receiving groove is provided on the platform, the platform is detachably installed in the receiving groove, a positioning post is provided on the platform, a positioning frame is provided on the side of the platform, and a first positioning hole is provided on the positioning frame. When the annular mounting seat is installed in the receiving groove, the positioning post is inserted into the first positioning hole.

[0009] As a preferred embodiment of the present invention: the clamping assembly includes a vertical cylinder, which is fixed to a carrier. An annular rotating disk is rotatably mounted on the outer wall of the vertical cylinder. The annular rotating disk and the vertical cylinder are connected by a spiral spring. The annular rotating disk is provided with circumferentially distributed arc-shaped grooves, which gradually extend from a position away from the center of the annular rotating disk towards the center of the annular rotating disk. A clamping arm is slidably connected through the vertical cylinder. One end of the clamping arm is fixed with a sliding column, which slides within the arc-shaped groove. A control assembly for controlling the rotation of the annular rotating disk and locking the annular rotating disk is installed on the carrier.

[0010] As a preferred embodiment of the present invention: the control component includes a lower mounting cylinder, which is rotatably mounted on a carrier. An upper mounting cylinder is mounted on the lower mounting cylinder. A transmission gear is fixed to the outside of the lower mounting cylinder. A circularly distributed convex tooth is provided on the outside of the annular rotating disk. The transmission gear meshes with the convex tooth. A ratchet is fixed to the outside of the upper mounting cylinder. A vertical plate is fixed to the carrier. A one-way limiting tooth is slidably mounted on the vertical plate. The one-way limiting tooth and the vertical plate are connected by a limiting tooth spring. The one-way limiting tooth cooperates with the ratchet based on the force of the limiting tooth spring to achieve one-way limiting of the ratchet's rotation.

[0011] As a preferred embodiment of the present invention: the upper mounting cylinder is rotatably mounted on the top of the lower mounting cylinder, and the upper and lower mounting cylinders are provided with matching slots. The upper and lower mounting cylinders are equipped with inserts, which can slide up and down and are inserted into the slots. An end plate is fixed to the top of the insert, and a control handle is mounted on the end plate. The end plate and the upper mounting cylinder are connected by a connecting spring.

[0012] As a preferred embodiment of the present invention: the movement control unit includes a transverse motion seat, a transverse guide rod, and a transverse screw assembly for controlling the movement of the transverse motion seat along the transverse guide rod. The transverse motion seat is slidably mounted on the outer wall of the transverse guide rod and is threadedly connected to the outer wall of the transverse screw assembly. The mounting bracket is mounted below the transverse motion seat.

[0013] As a preferred embodiment of the present invention, the motion control unit further includes a longitudinal motion seat, a longitudinal guide rod, and a longitudinal screw assembly for controlling the movement of the longitudinal motion seat along the longitudinal guide rod. The longitudinal motion seat is threadedly connected to the outer wall of the longitudinal screw assembly. The longitudinal motion seat is slidably mounted on the outer wall of the longitudinal guide rod, and the transverse guide rod and the transverse screw assembly are mounted on the longitudinal motion seat.

[0014] As a preferred embodiment of the present invention: the lifting control unit includes a lifting control cylinder, which is fixed on a central base. A lifting frame is fixed to the output end of the lifting control cylinder. The lifting frame slides up and down on one side of the central base. A longitudinal lead screw assembly and a longitudinal guide rod are installed on the lifting frame.

[0015] As a preferred embodiment of the present invention: the bottom of the transverse motion seat is fixed with an annular hanger, and a second annular groove is formed on the annular sidewall near the center of the annular hanger; a movable seat is movably installed in the second annular groove, the diameter of the movable seat is larger than the diameter of the inner ring of the annular hanger, and the diameter of the movable seat is smaller than the diameter of the second annular groove; the movable seat and the annular hanger are connected by a second annular elastic connecting part; a locking component for fixing the movable seat is installed on the transverse motion seat, and a side bracket is fixed on the side of the annular mounting seat, and a second positioning hole is formed on the side bracket, the bottom of the second positioning hole is flared, and when the annular mounting seat descends to the detection position, the top of the positioning post is inserted into the second positioning hole.

[0016] As a preferred embodiment of the present invention, the locking assembly includes a clamping control cylinder, which is fixed on the transverse motion seat. A clamping block is fixed to the output end of the clamping control cylinder, and the clamping block is located above the movable seat.

[0017] The beneficial effects of this invention are as follows: 1. This invention, by setting up a detection mechanism, enables the lifting and lowering of the annular mounting base during detection, based on the operation of the lifting control unit. This moves the annular detection plate to the outside of one end of the ball joint, keeping the ball joint at the center of the annular detection plate. Based on the operation of the movement control unit, the annular detection plate is used to move one end of the ball joint in different directions. Based on the reaction force, the annular detection plate moves within the first annular groove. Then, using the traction of each traction rope, the tension sensing components detect the magnitude of the tension in real time. Since the tension sensing components are arranged in a ring, force analysis can be performed based on the data fed back by each tension sensing component, thereby determining the smoothness of the ball joint's movement in various directions and detecting whether there is a situation of large resistance, difficulty in movement, or even jamming.

[0018] 2. By setting up a platform and other structures, this invention can realize automated transport of the carrier, which facilitates continuous testing operations. The positioning column and positioning frame work together to achieve reliable positioning and ensure the accuracy of the testing position.

[0019] 3. By setting up a clamping assembly, the present invention can drive the annular rotating disk to rotate based on the rotation of the transmission gear, thereby causing the sliding column to move within the arc-shaped inclined groove. Since the arc-shaped inclined groove gradually extends from a position away from the center of the annular rotating disk to a position closer to the center of the annular rotating disk, each clamping arm can move synchronously towards the center position of the annular rotating disk, thereby achieving the limiting and positioning of the ball joint and keeping the ball joint in the center position of the carrier. The ratchet and the one-way limiting tooth cooperate to prevent the annular rotating disk from rotating in the opposite direction, ensuring the reliability of the positioning.

[0020] 4. By incorporating a control handle and other structures, this invention allows for convenient and effortless control of the ratchet and transmission gear's synchronous rotation when the insert is simultaneously inserted into the slots of the upper and lower mounting cylinders. When unlocking is required, the insert is pulled upwards to disengage from the lower mounting cylinder. The annular rotating disc resets based on the rebound force of the spiral spring, thereby resetting the transmission gear. After resetting, the control handle controls the upper mounting cylinder to rotate relative to the lower mounting cylinder, realigning the slots of the upper and lower mounting cylinders. The insert is then reinserted into the slot of the lower mounting cylinder for the next operation.

[0021] 5. By setting up structures such as side supports, movable seats, and annular hangers, this invention enables the positioning pin to be inserted into the second positioning hole when the annular mounting seat moves to the detection position, thereby ensuring that the center of the initial position of the annular mounting seat and the annular detection plate matches the center position of the annular rotating disk, thus improving the reliability of the detection.

[0022] 6. By setting a locking component, the present invention can lock the movable seat when it is necessary to fix it, based on the operation of the clamping control cylinder and the use of clamping blocks to press the movable seat. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of a testing device for manufacturing robot ball joints proposed in this invention; Figure 2 This is a schematic diagram of the structure of a testing device for robot ball joint production according to the present invention during ball joint testing; Figure 3 This is a schematic diagram of the structure of a testing device for manufacturing robot ball joints, where the carrier and platform are separated. Figure 4 This is a cross-sectional structural schematic diagram of the carrier of a testing device for manufacturing robot ball joints proposed in this invention; Figure 5 This is a schematic diagram of the detection mechanism of a testing device for robot ball joint production proposed in this invention; Figure 6 This is a cross-sectional structural schematic diagram of the annular hanger and annular mounting base of the testing device for robot ball joint production proposed in this invention. Figure 7 This is a schematic diagram of the detection mechanism of a robot ball joint production detection device proposed in Embodiment 2 of the present invention.

[0024] In the diagram: 1-Central base; 2-Ball joint; 3-Platform; 4-Seat; 5-Annular mounting base; 6-Mounting frame; 7-Lifting frame; 8-Lifting control cylinder; 9-Positioning column; 10-Arc-shaped inclined groove; 11-Annular rotating disk; 12-Transmission gear; 13-Ratchet; 14-Control handle; 15-Vertical cylinder; 16-Clamping arm; 17-Sliding column; 18-Positioning frame; 19-Upper mounting cylinder; 20-Vertical plate; 21-One-way limiting tooth; 22-Limiting tooth spring; 23-Connecting spring; 24-Lower mounting cylinder; 25-Annular detection plate; 26-Traction rope; 27-Plug; 28-Tension sensing assembly; 29-Annular hanging seat; 30-Longitudinal screw assembly; 31-Longitudinal motion seat; 32-Transverse screw assembly; 33-Secondary annular elastic connection part; 34-Modible seat; 35-Clamping block; 36-Clamping control cylinder; 37-Transverse motion seat; 38-First annular elastic connection part; 39-Connecting piece; 40-Side bracket. Detailed Implementation

[0025] The technical solution of the present invention will be further described in detail below with reference to specific embodiments.

[0026] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0027] Example 1: A testing device for manufacturing robot ball joints, such as... Figure 1-6 As shown, it includes a central base 1 and a carrier 4. A detection mechanism is mounted on the central base 1, and a clamping assembly for fixing the ball joint 2 is provided on the carrier 4. The detection mechanism includes: Mounting bracket 6, with an annular mounting seat 5 fixed at the bottom end of the mounting bracket 6, and a first annular groove opened on the annular side wall of the annular mounting seat 5 near the center. The annular detection plate 25 is movably installed in the first annular groove. The diameter of the annular detection plate 25 is larger than the diameter of the inner ring of the annular mounting base 5 and smaller than the diameter of the first annular groove. The annular detection plate 25 and the annular mounting base 5 are connected by the first annular elastic connecting part 38. Tension sensing assembly 28 is installed at the bottom of mounting bracket 6. Multiple tension sensing assemblies 28 are arranged in a ring. A traction rope 26 is fixed to the top of the ring detection plate 25. A connecting piece 39 is fixed to the top of the traction rope 26. The connecting piece 39 and the tension sensing assembly 28 are connected by a bracket 27. When no external force is applied, the ring detection plate 25 and the ring mounting base 5 are concentric, and each traction rope 26 is in a vertical state. The lifting control unit is used to control the lifting of the annular mounting base 5. The motion control unit is used to control the translation of the mounting bracket 6 on the plane; By setting up a detection mechanism, during detection, the lifting control unit can control the lifting of the annular mounting base 5, thereby moving the annular detection plate 25 to the outside of one end of the ball joint 2, keeping one end of the ball joint 2 in the center position of the annular detection plate 25. Based on the operation of the movement control unit, the annular detection plate 25 is used to push one end of the ball joint 2 in different directions. Based on the reaction force, the annular detection plate 25 moves within the first annular groove. Then, using the traction of each traction rope 26, the tension sensing component 28 detects the magnitude of the tension in real time. Since each tension sensing component 28 is distributed in a ring, force analysis can be performed based on the data fed back by each tension sensing component 28, thereby judging the smoothness of the ball joint 2 when moving in various directions, and detecting whether there is a situation of large resistance, difficulty in movement, or even jamming.

[0028] To facilitate continuous operation; such as Figure 1 As shown, a platform 3 is rotatably mounted on the outer side of the central base 1. A rotation drive unit for driving the platform 3 to rotate is mounted on the central base 1. The platform 3 is provided with circumferentially distributed receiving grooves. The carrier 4 is detachably installed in the receiving grooves. A positioning post 9 is provided on the platform 3. A positioning frame 18 is provided on the side of the carrier 4. A first positioning hole is provided on the positioning frame 18. When the annular mounting seat 5 is installed in the receiving groove, the positioning post 9 is inserted into the first positioning hole. By setting up structures such as the platform 3, automated conveying of the carrier 4 can be achieved, facilitating continuous testing operations. The positioning column 9 and the positioning frame 18 work together to achieve reliable positioning and ensure the accuracy of the testing position. The rotating drive unit can adopt a conventional drive scheme, which will not be elaborated here. The platform 3 can also be replaced with a conventional streamlined conveying mechanism such as a conveyor belt or chain plate conveyor, which will not be elaborated here.

[0029] To facilitate the fixation of ball joint 2; as... Figure 3 , Figure 4 As shown, the clamping assembly includes a vertical cylinder 15, which is fixed to the carrier 4. An annular rotating disk 11 is rotatably mounted on the outer wall of the vertical cylinder 15. The annular rotating disk 11 and the vertical cylinder 15 are connected by a spiral spring. The annular rotating disk 11 is provided with circumferentially distributed arc-shaped inclined grooves 10. Preferably, there are three arc-shaped inclined grooves 10. The arc-shaped inclined grooves 10 gradually extend from a position away from the center of the annular rotating disk 11 towards the center of the annular rotating disk 11. A clamping arm 16 is slidably connected through the vertical cylinder 15. One end of the clamping arm 16 is fixed with a sliding column 17, which slides within the arc-shaped inclined groove 10. The carrier 4 is equipped with a control assembly for controlling the rotation of the annular rotating disk 11 and locking the annular rotating disk 11.

[0030] To facilitate locking the annular rotating disc 11; as... Figure 3 , Figure 4 As shown, the control component includes a lower mounting cylinder 24, which is rotatably mounted on a carrier 4. An upper mounting cylinder 19 is mounted on the lower mounting cylinder 24. A transmission gear 12 is fixed to the outside of the lower mounting cylinder 24. A circularly distributed toothed ring is provided on the outside of the annular rotating disk 11. The transmission gear 12 meshes with the toothed ring. A ratchet 13 is fixed to the outside of the upper mounting cylinder 19. A vertical plate 20 is fixed on the carrier 4. A one-way limiting tooth 21 is slidably mounted on the vertical plate 20. The one-way limiting tooth 21 and the vertical plate 20 are connected by a limiting tooth spring 22. The one-way limiting tooth 21 cooperates with the ratchet 13 based on the force of the limiting tooth spring 22 to achieve one-way limiting of the rotation of the ratchet 13. Preferably, there are multiple ratchet wheels 13 in the vertical direction, and the multiple ratchet wheels 13 are concentrically distributed along the outer side of the upper mounting cylinder 19. The number of unidirectional limiting teeth 21 is adapted to the ratchet wheels 13, and the ratchet teeth on the outer circumference of each ratchet wheel 13 are staggered. By setting up the clamping assembly, the rotation of the transmission gear 12 can drive the annular rotating disk 11 to rotate, thereby causing the sliding column 17 to move within the arc-shaped inclined groove 10. Since the arc-shaped inclined groove 10 gradually extends from a position away from the center of the annular rotating disk 11 towards the center of the annular rotating disk 11, each clamping arm 16 can move synchronously towards the center position of the annular rotating disk 11, thereby achieving the limiting and positioning of the ball joint 2 and keeping the ball joint 2 in the center position of the carrier 4; the ratchet 13 cooperates with the one-way limiting tooth 21 to prevent the annular rotating disk 11 from rotating in the opposite direction, ensuring the reliability of the positioning; The structure of multiple ratchet 13 ensures that after the ratchet 13 rotates, one ratchet 13 is always limited by the one-way limiting tooth 21, avoiding the situation where the end of the one-way limiting tooth 21 just contacts the end of the ratchet tooth of the ratchet 13, which would lead to unstable limiting.

[0031] For ease of unlocking; such as Figure 3 , Figure 4 As shown, the upper mounting cylinder 19 is rotatably mounted on the top of the lower mounting cylinder 24. The upper mounting cylinder 19 and the lower mounting cylinder 24 are provided with matching slots. The upper mounting cylinder 19 and the lower mounting cylinder 24 are equipped with a bracket 27. The bracket 27 can slide up and down and be inserted into the slot. The top of the bracket 27 is fixed with an end plate. The end plate is equipped with a control handle 14. The end plate and the upper mounting cylinder 19 are connected by a connecting spring 23. By setting up structures such as the control handle 14, when the insert 27 is simultaneously inserted into the slots of the upper mounting cylinder 19 and the lower mounting cylinder 24, the ratchet 13 and the transmission gear 12 can be controlled synchronously by the control handle 14 with ease. When unlocking is required, the insert 27 is pulled upward to disengage it from the lower mounting cylinder 24. The annular rotating disk 11 is reset based on the rebound force of the spiral spring, which in turn drives the transmission gear 12 to reset. After the reset is completed, the control handle 14 controls the upper mounting cylinder 19 to rotate relative to the lower mounting cylinder 24, so that the slots of the upper mounting cylinder 19 and the lower mounting cylinder 24 are re-aligned. Then the insert 27 is reinserted into the slot of the lower mounting cylinder 24 for the next operation.

[0032] To facilitate control of structural translation; such as Figure 1 , Figure 5 , Figure 6 As shown, the movement control unit includes a transverse motion seat 37, a transverse guide rod, and a transverse lead screw assembly 32 for controlling the movement of the transverse motion seat 37 along the transverse guide rod. The transverse motion seat 37 is slidably mounted on the outer wall of the transverse guide rod, and the transverse motion seat 37 is threadedly connected to the outer wall of the transverse lead screw assembly 32. The mounting bracket 6 is mounted below the transverse motion seat 37.

[0033] To facilitate control of structural translation; such as Figure 1 , Figure 5 , Figure 6As shown, the motion control unit also includes a longitudinal motion seat 31, a longitudinal guide rod, and a longitudinal screw assembly 30 for controlling the movement of the longitudinal motion seat 31 along the longitudinal guide rod. The longitudinal motion seat 31 is threadedly connected to the outer wall of the longitudinal screw assembly 30. The longitudinal motion seat 31 is slidably mounted on the outer wall of the longitudinal guide rod, and the transverse guide rod and the transverse screw assembly 32 are mounted on the longitudinal motion seat 31. By setting up a movement control unit, the mounting bracket 6 can move in the X and Y axis directions. In addition to the lead screw structure, other conventional solutions can be used, such as hydraulic cylinder drive, electric telescopic rod drive, etc., which will not be elaborated here.

[0034] To facilitate control of structural lifting; such as Figure 1 , Figure 5 As shown, the lifting control unit includes a lifting control cylinder 8, which is fixed on the central base 1. The output end of the lifting control cylinder 8 is fixed with a lifting frame 7, which slides up and down on one side of the central base 1. The longitudinal screw assembly 30 and the longitudinal guide rod are installed on the lifting frame 7. By setting up a lifting control unit, the height of the structure can be controlled, which makes it easier to move the annular detection plate 25 to the outside of the ball joint 2 for detection operations.

[0035] Example 2: A testing device for manufacturing robot ball joints, such as... Figure 6 , Figure 7 As shown, in order to perform detection more accurately, this embodiment makes the following improvements based on embodiment 1: The bottom of the transverse motion seat 37 is fixed with an annular hanger 29, and a second annular groove is provided on the annular sidewall of the annular hanger 29 near the center; a movable seat 34 is movably installed in the second annular groove, the diameter of the movable seat 34 is larger than the diameter of the inner ring of the annular hanger 29 to prevent the movable seat 34 from detaching from the annular hanger 29, and the diameter of the movable seat 34 is smaller than the diameter of the second annular groove to ensure that the movable seat 34 can move in the second annular groove; the movable seat 34 and the annular hanger 29 are connected by a second annular elastic connecting part 33; a locking component for fixing the movable seat 34 is installed on the transverse motion seat 37, and a side bracket 40 is fixed on the side of the annular mounting seat 5, and a second positioning hole is provided on the side bracket 40. The bottom of the second positioning hole is flared, and the length of the positioning post 9 is extended. When the annular mounting seat 5 descends to the detection position, the top of the positioning post 9 is inserted into the second positioning hole; By setting up structures such as side bracket 40, movable seat 34 and annular hanger 29, when the annular mounting seat 5 moves to the detection position, the positioning pin 9 can be inserted into the second positioning hole, so as to ensure that the center of the initial position of the annular mounting seat 5 and the annular detection plate 25 is matched with the center position of the annular rotating disk 11, thereby improving the reliability of the detection.

[0036] To facilitate locking and fixing the movable seat 34; such as Figure 6 As shown, the locking assembly includes a clamping control cylinder 36, which is fixed on the transverse motion seat 37. A clamping block 35 is fixed to the output end of the clamping control cylinder 36, and the clamping block 35 is located above the movable seat 34. By setting a locking component, when it is necessary to fix the movable seat 34, the clamping control cylinder 36 works and the clamping block 35 presses the movable seat 34 to achieve locking.

[0037] For the parts not disclosed in detail in this invention, such as necessary control modules, specific control methods, signal transmission methods, power supply methods, etc., those skilled in the art can ensure the smooth implementation of the solution of this invention based on common sense, normal thinking logic and existing technology.

[0038] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A testing device for manufacturing robot ball joints, characterized in that, It includes a central base (1) and a carrier (4), wherein a detection mechanism is mounted on the central base (1), and a clamping assembly for fixing the ball joint (2) is provided on the carrier (4); the detection mechanism includes: Mounting bracket (6), the bottom end of mounting bracket (6) is fixed with an annular mounting seat (5), and the annular mounting seat (5) has a first annular groove on the annular side wall near the center; The annular detection plate (25) is movably installed in the first annular groove. The diameter of the annular detection plate (25) is larger than the diameter of the inner ring of the annular mounting base (5) and smaller than the diameter of the first annular groove. The annular detection plate (25) and the annular mounting base (5) are connected by the first annular elastic connection part (38). Tension sensing assembly (28) is installed at the bottom of mounting bracket (6). Multiple tension sensing assemblies (28) are arranged in a ring. A traction rope (26) is fixed to the top of the ring detection plate (25). A connecting piece (39) is fixed to the top of the traction rope (26). The connecting piece (39) and the tension sensing assembly (28) are connected by a bracket (27). When no external force is applied, the ring detection plate (25) and the ring mounting base (5) are concentric, and each traction rope (26) is in a vertical state. The lifting control unit is used to control the lifting of the annular mounting base (5); The motion control unit is used to control the translation of the mounting bracket (6) on the plane.

2. The testing device for manufacturing robot ball joints according to claim 1, characterized in that, A platform (3) is rotatably mounted on the outer side of the central base (1). A rotating drive unit for driving the platform (3) to rotate is installed on the central base (1). A circumferentially distributed receiving groove is provided on the platform (3). The carrier (4) is detachably installed in the receiving groove. A positioning post (9) is provided on the platform (3). A positioning frame (18) is provided on the side of the carrier (4). A first positioning hole is provided on the positioning frame (18). When the annular mounting seat (5) is installed in the receiving groove, the positioning post (9) is inserted into the first positioning hole.

3. The testing device for manufacturing robot ball joints according to claim 2, characterized in that, The clamping assembly includes a vertical cylinder (15), which is fixed on a carrier (4). An annular rotating disk (11) is rotatably mounted on the outer wall of the vertical cylinder (15). The annular rotating disk (11) and the vertical cylinder (15) are connected by a spiral spring. The annular rotating disk (11) is provided with circumferentially distributed arc-shaped grooves (10). The arc-shaped grooves (10) gradually extend from a position away from the center of the annular rotating disk (11) towards the center of the annular rotating disk (11). A clamping arm (16) is slidably connected through the vertical cylinder (15). One end of the clamping arm (16) is fixed with a sliding column (17), which slides in the arc-shaped groove (10). A control assembly for controlling the rotation of the annular rotating disk (11) and locking the annular rotating disk (11) is installed on the carrier (4).

4. The testing device for manufacturing robot ball joints according to claim 3, characterized in that, The control component includes a lower mounting cylinder (24), which is rotatably mounted on a carrier (4). An upper mounting cylinder (19) is mounted on the lower mounting cylinder (24). A transmission gear (12) is fixed on the outside of the lower mounting cylinder (24). A circular rotating disk (11) is provided with circumferentially distributed convex teeth on its outside. The transmission gear (12) meshes with the convex teeth. A ratchet (13) is fixed on the outside of the upper mounting cylinder (19). A vertical plate (20) is fixed on the carrier (4). A one-way limiting tooth (21) is slidably mounted on the vertical plate (20). The one-way limiting tooth (21) and the vertical plate (20) are connected by a limiting tooth spring (22). The one-way limiting tooth (21) cooperates with the ratchet (13) based on the force of the limiting tooth spring (22) to achieve one-way limiting of the rotation of the ratchet (13).

5. The testing device for manufacturing robot ball joints according to claim 4, characterized in that, The upper mounting cylinder (19) is rotatably mounted on the top of the lower mounting cylinder (24). The upper mounting cylinder (19) and the lower mounting cylinder (24) are provided with matching slots. The upper mounting cylinder (19) and the lower mounting cylinder (24) are used together with a bracket (27). The bracket (27) can slide up and down and be inserted into the slot. The top of the bracket (27) is fixed with an end plate. The end plate is equipped with a control handle (14). The end plate and the upper mounting cylinder (19) are connected by a connecting spring (23).

6. The testing device for manufacturing robot ball joints according to claim 5, characterized in that, The movement control unit includes a transverse motion seat (37), a transverse guide rod, and a transverse lead screw assembly (32) for controlling the movement of the transverse motion seat (37) along the transverse guide rod. The transverse motion seat (37) is slidably mounted on the outer wall of the transverse guide rod and is threadedly connected to the outer wall of the transverse lead screw assembly (32). The mounting bracket (6) is mounted below the transverse motion seat (37).

7. The testing device for manufacturing robot ball joints according to claim 6, characterized in that, The movement control unit also includes a longitudinal motion seat (31), a longitudinal guide rod, and a longitudinal screw assembly (30) for controlling the longitudinal motion seat (31) to move along the longitudinal guide rod. The longitudinal motion seat (31) is threaded to the outer wall of the longitudinal screw assembly (30). The longitudinal motion seat (31) is slidably mounted on the outer wall of the longitudinal guide rod, and the transverse guide rod and the transverse screw assembly (32) are mounted on the longitudinal motion seat (31).

8. The testing device for manufacturing robot ball joints according to claim 7, characterized in that, The lifting control unit includes a lifting control cylinder (8), which is fixed on the central base (1). The output end of the lifting control cylinder (8) is fixed with a lifting frame (7). The lifting frame (7) slides up and down on one side of the central base (1). The longitudinal screw assembly (30) and the longitudinal guide rod are installed on the lifting frame (7).

9. The testing device for manufacturing robot ball joints according to claim 6, characterized in that, The bottom of the transverse motion seat (37) is fixed with an annular hanger (29), and a second annular groove is provided on the annular side wall near the center of the annular hanger (29); a movable seat (34) is movably installed in the second annular groove, the diameter of the movable seat (34) is larger than the diameter of the inner ring of the annular hanger (29), and the diameter of the movable seat (34) is smaller than the diameter of the second annular groove; the movable seat (34) and the annular hanger (29) are connected by a second annular elastic connecting part (33); a locking component for fixing the movable seat (34) is installed on the transverse motion seat (37), and a side bracket (40) is fixed on the side of the annular mounting seat (5), and a second positioning hole is provided on the side bracket (40), the bottom of the second positioning hole is flared, and when the annular mounting seat (5) descends to the detection position, the top of the positioning column (9) is inserted into the second positioning hole.

10. A testing device for manufacturing robot ball joints according to claim 9, characterized in that, The locking assembly includes a clamping control cylinder (36), which is fixed on the transverse motion seat (37). A clamping block (35) is fixed to the output end of the clamping control cylinder (36), and the clamping block (35) is located above the movable seat (34).

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