Polishing device for production and machining of machine tool parts

By integrating grinding and inspection mechanisms, and combining robotic arms and vision inspection, we can achieve all-round, blind-angle inspection of machine tool parts, solving the problems of long inspection cycle and large positioning error, and improving production efficiency and inspection accuracy.

CN121715931AActive Publication Date: 2026-03-24YUNNAN TEXTILE VOCATIONAL COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-11
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing technologies, machine tool parts need to be transferred to an independent inspection station for quality inspection after grinding, which results in long inspection cycles and large positioning errors, affecting inspection accuracy and overall production efficiency. In particular, the inspection of the inner wall, outer wall and end face of cylindrical or annular workpieces has obstructed areas, making it difficult to achieve all-round inspection without blind spots.

Method used

The grinding mechanism and product inspection mechanism are integrated on the same workbench. The mechanical arm and vision inspection components are combined with the rotary drive components and clamping components to realize the integration of grinding and inspection. The clamping position is dynamically adjusted by the axial rotation and posture change of the workpiece to ensure all-round inspection without blind spots.

Benefits of technology

It significantly shortens the production cycle time, improves overall production efficiency, ensures the comprehensiveness and accuracy of inspection, and avoids positioning errors and damage risks caused by multiple handling and secondary clamping of workpieces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of high-end equipment manufacturing, and discloses a grinding device for machine tool part production and machining. A grinding mechanism and a product detection mechanism are installed on the workbench, the grinding mechanism comprises a driving grinding wheel and a driven grinding wheel which are rotatably installed on the workbench, a grinding gap is reserved between the driving grinding wheel and the driven grinding wheel and used for storing workpieces, and the rotating directions of the driving grinding wheel and the driven grinding wheel are opposite; the polishing mechanism and the product detection mechanism are integrated on the same workbench, the mechanical arm can directly transfer a workpiece to the visual detection assembly for detection while completing polishing feeding / discharging, polishing-detection integration is achieved, transferring and secondary clamping of the workpiece between different stations are omitted, the production takt is remarkably shortened, and the production efficiency is improved. And the overall production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of high-end equipment manufacturing, more particularly, it relates to a polishing device for machine tool parts production and machining. BACKGROUND

[0002] In the production and machining process of machine tool parts, polishing is a key process to ensure the surface finish, dimensional accuracy and burr removal of the parts. Traditional polishing methods mostly use manual operation or semi-automatic equipment, which has problems such as low efficiency, high labor intensity, unstable polishing quality, etc. In recent years, automatic polishing equipment has gradually become popular, which positions and transports the workpiece through a mechanical arm or a special clamp, and processes it with a polishing wheel, thereby improving production efficiency. However, the workpiece after polishing in the prior art usually needs to be transferred to a separate detection station for quality inspection, such as visual inspection. This not only increases the floor area of the production line, but also causes long detection cycle, large positioning error and affects detection accuracy and overall production efficiency due to multiple handling and re-clamping of the workpiece.

[0003] Moreover, for cylindrical or ring-shaped workpieces, the inner wall, outer wall and end face all need to be comprehensively detected for surface defects. The traditional clamping method will block some areas during detection, making it difficult to achieve omnidirectional detection without dead angles. In order to detect the blocked areas, secondary clamping is often required, which not only prolongs the detection time, but also increases the risk of workpiece damage. SUMMARY

[0004] The present application provides a polishing device for machine tool parts production and machining, which solves the technical problem of long detection cycle, large positioning error, affecting detection accuracy and overall production efficiency of the product after polishing in the related art.

[0005] The present application provides a polishing device for machine tool parts production and machining, which includes a workbench. A polishing mechanism and a product detection mechanism are installed on the workbench. The polishing mechanism includes a driving polishing wheel and a driven polishing wheel rotatably installed on the workbench. The driving polishing wheel and the driven polishing wheel are opposite in rotation direction. The product detection mechanism includes a visual detection assembly and a mechanical arm installed on the workbench. The front end of the mechanical arm is fixedly installed with a mounting bracket. The mounting bracket is installed with a main pulley and a rotating driving part one for driving the main pulley to rotate. The bottom of the main pulley is rotatably connected with two auxiliary pulleys. The main pulley and the two auxiliary pulleys are connected through a transmission belt. The bottom of the mounting bracket is rotatably connected with a rotating bracket. The mounting bracket is installed with a rotating driving part two for driving the rotating bracket to rotate. The rotating frame is provided with a clamping assembly, which comprises two half pulleys and a power component for driving the two half pulleys to move close to or away from each other, and the two half pulleys are combined together when moving close to each other to form a complete pulley, one side of the complete pulley is in extrusion contact with a transmission belt, and the two half pulleys are used for clamping a workpiece.

[0006] In a preferred embodiment, the polishing mechanism further comprises a gantry, which is installed on the workbench and located directly above the polishing gap, a double-shaft moving mechanism is installed in the gantry, a U-shaped clamping jaw is connected to the output end of the double-shaft moving mechanism, and an upper feeding rack and a lower feeding rack are respectively arranged on the two sides of the shaft of the driving polishing wheel, the upper feeding rack is arranged on the side of the driving polishing wheel away from the product detection mechanism, and the lower feeding rack is arranged on the side of the driving polishing wheel close to the product detection mechanism.

[0007] In a preferred embodiment, the power component comprises a pneumatic cylinder, the pneumatic cylinder is fixedly installed on the rotating frame, a connecting rod is fixedly installed on the output end of the pneumatic cylinder, two rollers are rotatably connected to the two ends of the connecting rod, an annular groove is formed in the upper surface of the half pulley, the two rollers are rollingly arranged in the annular groove, and the cross section of the annular groove is convex.

[0008] In a preferred embodiment, the bottom of the half pulley is fixedly connected with a sliding block, the mounting frame is fixedly connected with a sliding rail, the sliding block slides in the sliding rail when the two half pulleys move away from each other, a positioning hole is formed in one end of the half pulley, a positioning pin is fixedly connected to the other end of the half pulley, and the positioning pin is inserted into the positioning hole when the two half pulleys move close to each other.

[0009] In a preferred embodiment, a half ring is detachably connected to the inner side of each half pulley, a plurality of rolling balls are rollingly arranged on the inner wall of the half ring, and the rolling balls are used for clamping the outer wall of the workpiece.

[0010] In a preferred embodiment, the lower part of the main pulley is a straight belt part, the axis of the straight belt part is perpendicular to the axis of the half pulley, one side of the complete pulley is in extrusion contact with the straight belt part, and the rotating driving component II drives the rotating frame to rotate around the axis of the straight belt part.

[0011] In a preferred embodiment, the polishing device further comprises a pressing assembly, the pressing assembly comprises an eccentric wheel installed on the front surface of the main pulley, a plug rod is arranged below the eccentric wheel, the plug rod is vertically inserted into the mounting frame, a pressing plate is fixedly installed on the upper end of the plug rod, and the outer surface of the eccentric wheel is pressed on the upper side of the pressing plate.

[0012] In a preferred embodiment, a spring is sleeved on the outer side of the plug rod, the two ends of the spring are in pressure connection with the mounting frame and the pressing plate respectively, the pressing plate is arc-shaped with the two ends upward, the outer surface of the main pulley is pressed on the inner wall of the pressing plate, a pressing rod is fixedly installed on one side of the pressing plate, and the pressing rod is used for pressing the workpiece.

[0013] In a preferred embodiment, the robotic arm includes a base, a rotating seat rotatably connected to the base, a large arm rotatably connected to the rotating seat, a small arm rotatably connected to the upper end of the large arm, a rotating arm rotatably connected to the front end of the small arm, an end arm rotatably connected to the front end of the rotating arm, and a mounting bracket fixedly mounted on the end arm.

[0014] In a preferred embodiment, the visual inspection component includes a bracket fixedly mounted on a workbench, with a ring light source mounted on the upper end of the bracket and a visual camera positioned directly below the ring light source.

[0015] The beneficial effects of this invention are as follows: This invention integrates the grinding mechanism and the product inspection mechanism on the same workbench. While the robotic arm completes the grinding loading / unloading, it can directly transfer the workpiece to the vision inspection component for inspection, realizing the integration of grinding and inspection. This eliminates the need for workpiece transfer and secondary clamping between different workstations, significantly shortens the production cycle, and improves the overall production efficiency. This invention, by setting up a rotating frame driven by a rotary drive component, and a transmission system consisting of a main pulley, a secondary pulley, and a transmission belt, can drive the clamped workpiece to achieve axial rotation and spatial posture changes (such as switching between vertical and horizontal states). Combined with the pressing component, the position of the workpiece in the clamping assembly can be dynamically adjusted during the inspection process, exposing the areas that were originally clamped and obscured. This enables 360° all-round, blind-spot-free visual inspection of the inner wall, outer wall, and end face of the workpiece, ensuring the comprehensiveness and accuracy of the inspection. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 This is a first-view structural schematic diagram of the grinding mechanism of the present invention.

[0018] Figure 3 This is a second-view structural schematic diagram of the grinding mechanism of the present invention.

[0019] Figure 4 This is a schematic diagram of the structure of the vision inspection component of the present invention on the worktable.

[0020] Figure 5 This is a partial structural diagram of the present invention. Figure 1 .

[0021] Figure 6 This is a partial structural diagram of the present invention. Figure 2 .

[0022] Figure 7 This is a partial structural diagram of the present invention. Figure 3 .

[0023] Figure 8 This is a schematic diagram of the clamping assembly of the present invention clamping a workpiece.

[0024] Figure 9 This is a schematic diagram of the clamping component of the present invention.

[0025] Figure 10 This is a partial exploded view of the clamping assembly of the present invention.

[0026] Figure 11 This is a schematic diagram of the visual inspection component of the present invention.

[0027] Figure 12 This is a schematic diagram illustrating the workpiece position change during the visual recognition process of the present invention.

[0028] In the diagram: 1. Workbench; 2. Vision inspection component; 21. Support; 22. Ring light source; 23. Vision camera; 3. Robotic arm; 31. Base; 32. Rotating seat; 33. Upper arm; 34. Lower arm; 35. Rotary arm; 36. End arm; 4. Mounting frame; 40. Rotary drive component one; 41. Main pulley; 42. Secondary pulley; 43. Drive belt; 430. Straight belt section; 44. Rotating frame; 45. Rotary drive component two; 5. Clamping assembly; 51. Half pulley; 511. Circular groove; 512. 513. Slider; 514. Positioning hole; 52. Positioning pin; 52. Power component; 521. Cylinder; 522. Connecting rod; 523. Roller; 53. Slide rail; 54. Semi-ring; 55. Ball bearing; 6. Pressing assembly; 61. Eccentric wheel; 62. Insert rod; 63. Pressure plate; 64. Spring; 65. Pressure rod; 7. Grinding mechanism; 71. Gantry frame; 711. Dual-axis moving mechanism; 72. Active grinding wheel; 73. Driven grinding wheel; 74. Loading rack; 75. Unloading rack; 76. U-shaped gripper; 100. Workpiece. Detailed Implementation

[0029] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and implement the subject matter described herein, and changes may be made to the function and arrangement of the elements discussed without departing from the scope of this specification. Various processes or components may be omitted, substituted, or added as needed in the examples. Furthermore, features described in some examples may be combined in other examples.

[0030] like Figures 1-12 As shown, a grinding device for manufacturing and processing machine tool parts includes a worktable 1; A grinding mechanism 7 and a product inspection mechanism are installed on the workbench 1. The grinding mechanism 7 includes an active grinding wheel 72 and a driven grinding wheel 73 rotatably mounted on the workbench 1. A grinding gap is left between the active grinding wheel 72 and the driven grinding wheel 73. The grinding gap is used to store the workpiece 100. The active grinding wheel 72 and the driven grinding wheel 73 rotate in opposite directions. The grinding mechanism 7 also includes a gantry frame 71, which is mounted on the worktable 1 and is located directly above the grinding gap. A dual-axis moving mechanism 711 is installed inside the gantry frame 71. The output end of the dual-axis moving mechanism 711 is connected to a U-shaped gripper 76. The active grinding wheel 72 has an loading rack 74 and a unloading rack 75 on its axial sides respectively. The loading rack 74 is located on the side of the active grinding wheel 72 away from the product inspection mechanism, and the unloading rack 75 is located on the side of the active grinding wheel 72 closer to the product inspection mechanism. The product inspection mechanism includes a vision inspection component 2 and a robotic arm 3 installed on a workbench 1. A mounting frame 4 is fixedly installed at the front end of the robotic arm 3. A main pulley 41 and a rotary drive component 40 for driving the main pulley 41 to rotate are installed on the mounting frame 4. Auxiliary pulleys 42 are rotatably connected to both sides of the bottom of the main pulley 41. The main pulley 41 and the two auxiliary pulleys 42 are connected by a transmission belt 43. A rotating frame 44 is rotatably connected to the bottom of the mounting frame 4. A rotary drive component 45 is installed on the mounting frame 4. The rotary drive component 45 is used to drive the rotating frame 44 to rotate. A clamping assembly 5 is installed on the rotating frame 44. The clamping assembly 5 includes two half pulleys 51 and a power component 52 for driving the two half pulleys 51 to move closer or further apart. When the two half pulleys 51 move closer and merge together, they form a complete pulley. One side of the complete pulley is in contact with the transmission belt 43. The two half pulleys 51 are used to clamp the workpiece 100.

[0031] It should be noted that a grinding head motor is installed at one axial end of the active grinding wheel 72, driving the active grinding wheel 72 to rotate. A gear is installed at one axial end of the driven grinding wheel 73, which meshes with a gear mounted on the rotating shaft of the active grinding wheel 72, thereby causing the driven grinding wheel 73 to rotate as well. The grinding gap is less than the diameter of the workpiece 100. The dual-axis moving mechanism 711 consists of a linear motor and a lifting cylinder. The output end of the linear motor is equipped with a lifting cylinder, and the output end of the lifting cylinder is connected to the U-shaped gripper 76. The U-shaped gripper 76 has a cylinder drive that can move and clamp. The linear motor controls the movement of the U-shaped gripper 76 in the X-axis direction, and the lifting cylinder controls the movement of the U-shaped gripper 76 in the Y-axis direction. The grinding process of workpiece 100 is as follows: workpiece 100 is placed on the loading rack 74 manually or by a robot. Then, the U-shaped gripper 76 clamps the workpiece 100 on the loading rack 74 into the grinding gap. The head frame drives the workpiece 100 to start rotating, the grinding head motor starts, and the grinding wheel rotates at high speed. The grinding wheel wraps around the workpiece 100 in the grinding gap and grinds it from all directions to achieve the required surface finish. After grinding, the workpiece 100 located in the grinding gap is taken out by the U-shaped gripper 76 and placed on the unloading rack 75 for storage. The robot arm 3 then transfers the ground workpiece 100 to the product inspection mechanism for visual inspection.

[0032] It should be further explained that both the first rotary drive component 40 and the second rotary drive component 45 are servo motors. The first rotary drive component 40 drives the main pulley 41 to rotate, which in turn drives the two auxiliary pulleys 42 to rotate via the transmission belt 43. Since the complete pulley is in contact with the transmission belt 43, the complete pulley can also be driven to rotate when the transmission belt 43 is in motion.

[0033] In the above technical solutions, such as Figure 7 and Figure 10 As shown, the power component 52 includes a cylinder 521, which is fixedly mounted on the rotating frame 44. A connecting rod 522 is fixedly mounted on the output end of the cylinder 521. Rollers 523 are rotatably connected to both ends of the connecting rod 522. An annular groove 511 is formed on the upper surface of the half pulley 51. The two rollers 523 are rolled inside the annular groove 511. The cross-section of the annular groove 511 is convex.

[0034] It should be noted that when the full pulley rotates, the roller 523 rolls within a complete annular groove 511 formed by the two annular grooves 511. Since the cross-section of the annular groove 511 is convex, the roller 523 will not move out of the annular groove 511 during rolling, thus the roller 523 can support the half pulley 51. When it is necessary to move the two half pulleys 51 closer or further apart, the cylinder 521 drives the connecting rod 522 and the two rollers 523 mounted on the connecting rod 522 to move.

[0035] In the above technical solutions, such as Figure 4 and Figure 11 As shown, the visual inspection component 2 includes a bracket 21, which is fixedly installed on the worktable 1. A ring light source 22 is installed on the upper end of the bracket 21, and a visual camera 23 is arranged directly below the ring light source 22.

[0036] It should be noted that the visual camera 23 is used for image recognition, and the ring light source 22 is used for supplementary lighting.

[0037] In this embodiment, the specific implementation method is as follows: Figure 8The cylindrical workpiece 100 shown has a perforated upper end and a completely open lower end. For visual inspection of defects on its inner and outer surfaces, the workpiece 100 is first transported by a conveying device. Then, a robotic arm 3 moves the clamping assembly 5 to the position of the workpiece 100 to clamp it. Specifically, during clamping, the corresponding power components 52 of the two half-pulleys 51 are activated; that is, the cylinder 521 pulls the connecting rod 522 and the roller 523 to move, causing the two half-pulleys 51 to move away from each other. Then, the robotic arm 3 moves, positioning the workpiece 100 between the two half-pulleys 51. Next, the cylinder 521 pushes the connecting rod 522 and the roller 523 to move, causing the two half-pulleys 51 to move closer together, thus clamping the workpiece 100. The robotic arm 3 then moves the workpiece 100 directly above the visual inspection assembly 2, where it is photographed and identified by the visual camera 23. The processing system then identifies the surface defects.

[0038] like Figure 12 As shown, with the fully open end of workpiece 100 facing upwards and the perforated structure facing downwards, after the clamping assembly 5 clamps workpiece 100, it is in the state shown in ①. At this time, the ring light source 22 can take pictures and identify the inner surface of workpiece 100 from the upwards. Then, the rotation drive component 2 45 drives the rotating frame 44 to rotate 90 degrees clockwise, which is the state shown in ②. In this state, the rotation drive component 1 40 drives the main pulley 41 to rotate. The main pulley 41 drives the two auxiliary pulleys 42 to rotate through the transmission belt 43. After the transmission belt 43 is driven, it can drive the complete pulley to rotate. In this way, the workpiece 100 clamped by the complete pulley can rotate. While the workpiece 100 is rotating, the ring light source 22 takes pictures and identifies the defects on the outer wall of the workpiece 100. Then, the rotation drive component 45 drives the rotating frame 44 to rotate 90 degrees clockwise, which is the state shown in ③. In this state, the workpiece 100 with the hole structure faces downward. At this time, the ring light source 22 can take pictures and identify the outer end face of the workpiece 100 with the hole structure from the top.

[0039] The above technical solution, through the arrangement of mounting frame 4, main pulley 41, auxiliary pulley 42, transmission belt 43 and clamping assembly 5, can clamp workpiece 100 on the one hand, and interchange the upper and lower ends of workpiece 100 to achieve the purpose of identifying the inner wall and outer end of workpiece 100 on the other hand. Furthermore, workpiece 100 can be rotated to a horizontal axis, which can also drive workpiece 100 to rotate on its own to take pictures and identify the outer wall of workpiece 100.

[0040] In this embodiment, the above technical solution can be used to photograph and identify the inner surface, outer wall and outer end face of the workpiece 100 with holes. However, the part clamped by the half pulley 51 cannot be photographed and identified. Therefore, the following technical solution is proposed.

[0041] Specifically, such as Figure 6 and Figure 8 As shown, the industrial robot also includes a pressing component 6. The pressing component 6 includes an eccentric wheel 61 mounted on the front surface of the main pulley 41. A rod 62 is provided below the eccentric wheel 61. The rod 62 is vertically inserted into the mounting frame 4. A pressure plate 63 is fixedly mounted on the upper end of the rod 62. The outer surface of the eccentric wheel 61 presses against the upper side of the pressure plate 63.

[0042] Furthermore, a spring 64 is sleeved on the outer side of the insertion rod 62. The two ends of the spring 64 are pressed against the mounting bracket 4 and the pressure plate 63 respectively. The pressure plate 63 is an arc shape with both ends facing upward. The outer surface of the main pulley 41 is pressed against the inner wall of the pressure plate 63. A pressure rod 65 is fixedly installed on one side of the pressure plate 63. The pressure rod 65 is used to press down the workpiece 100.

[0043] It should be noted that during the transition from state ② to state ③, the second rotary drive component 45 drives the rotating frame 44 to rotate towards the side of the downward pressing assembly 6. During this process, the first rotary drive component 40 drives the main pulley 41, the auxiliary pulley 42, and the complete pulley to rotate, causing the workpiece 100 to rotate. Simultaneously, the main pulley 41 drives the eccentric wheel 61 to rotate, pressing the pressure plate 63 downwards. This causes the pressure plate 63 to move the insertion rod 62 up and down reciprocally. The spring 64 is used to reset the insertion rod 62 and the pressure plate 63 upwards. Furthermore, the pressure plate 63 can drive the pressure rod 65 to move up and down reciprocally, and the pressure rod 65 contacts the end of the workpiece 100, pressing it downwards. This causes the workpiece 100 to move downwards relative to the complete pulley. The state after the movement is completed is as follows: Figure 12 The state shown is ③, that is Figure 8 The state shown is as follows. In state ③, after photographing and recognizing the outer end face of the perforated structure of workpiece 100, the rotation drive component 2 45 drives the rotating frame 44 to rotate 90 degrees counterclockwise, which is the state shown in state ④. In this state, the rotation drive component 1 40 drives the main pulley 41 to rotate. The main pulley 41 drives the two auxiliary pulleys 42 to rotate through the transmission belt 43. After the transmission belt 43 is driven, it can drive the complete pulley to rotate. In this way, the workpiece 100 held by the complete pulley can rotate. While the workpiece 100 is rotating, the ring light source 22 takes pictures and recognizes it. In this way, the defects on the outer wall of the workpiece 100 can be identified, that is, the parts that were not photographed and recognized before due to being blocked by the half pulley 51 can be identified.

[0044] The above technical solution presses the workpiece 100 downward when it is turned around, thereby changing the position of the half pulley 51 clamping the workpiece 100. This allows the identification of the part that was not previously photographed and identified because it was blocked by the half pulley 51. The entire identification process of the workpiece 100 does not require secondary clamping, saving detection time.

[0045] Refer to the instruction manual appendix Figures 7-10 A slider 512 is fixedly connected to the bottom of the half pulley 51, and a slide rail 53 is fixedly connected to the mounting bracket 4. When the two half pulleys 51 move away from each other, the slider 512 slides inside the slide rail 53.

[0046] It should be noted that when the two half pulleys 51 merge to form a complete pulley, the slider 512 disengages from the positioning hole 513, thus not affecting the rotation of the half pulley 51. When the two half pulleys 51 separate, the slider 512 slides into the interior of the slide rail 53, thereby improving the stability of the half pulley 51.

[0047] Refer to the instruction manual appendix Figure 10 One end of the half pulley 51 is provided with a positioning hole 513, and the other end of the half pulley 51 is fixedly connected with a positioning pin 514. When the two half pulleys 51 approach each other and merge together, the positioning pin 514 is inserted into the interior of the positioning hole 513.

[0048] It should be noted that when the two half pulleys 51 are combined to form a complete pulley, the locating pin 514 on one half pulley 51 is inserted into the locating hole 513 on the other half pulley 51. This improves the integrity of the complete pulley and enhances its stability during rotation.

[0049] Refer to the instruction manual appendix Figures 9-10 Both half pulleys 51 are detachably connected to a half ring 54 on their inner sides. Several balls 55 are rolled on the inner wall of the half ring 54. The balls 55 are used to clamp the outer wall of the workpiece 100.

[0050] It should be noted that the semi-ring 54 is installed inside the semi-pulley 51 by screws. Semi-rings 54 with different inner diameters can be installed inside the semi-pulley 51, so as to accommodate workpieces 100 with different diameters. The ball bearings 55 are used to clamp the workpiece 100 on the one hand, and to reduce friction when the pressing assembly 6 presses down on the workpiece 100, so as to prevent scratches on the outer wall of the workpiece 100.

[0051] Refer to the instruction manual appendix Figure 6The lower part of the main pulley 41 is a straight belt section 430. The axis of the straight belt section 430 is perpendicular to the axis of the half pulley 51. One side of the complete pulley is pressed and contacted with the straight belt section 430. The rotation drive component 2 45 drives the rotating frame 44 to rotate around the axis of the straight belt section 430.

[0052] It should be noted that the purpose of rotating the rotating frame 44 around the axis of the straight belt section 430 is to ensure that the straight belt section 430 is always in contact with and pressed against the complete pulley when the complete pulley rotates together with the rotating frame 44.

[0053] Refer to the instruction manual appendix Figure 4 and Figure 5 The robotic arm 3 includes a base 31, a rotating seat 32 rotatably connected to the base 31, a large arm 33 rotatably connected to the rotating seat 32, a small arm 34 rotatably connected to the upper end of the large arm 33, a rotating arm 35 rotatably connected to the front end of the small arm 34, an end arm 36 rotatably connected to the front end of the rotating arm 35, and a mounting bracket 4 fixedly mounted on the end arm 36.

[0054] It should be noted that the rotating base 32, the upper arm 33, the lower arm 34, the rotating arm 35, and the end arm 36 are all driven by motors.

[0055] The embodiments of this example have been described above. However, this example is not limited to the specific implementation methods described above. The specific implementation methods described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms based on the guidance of this example, and all of them are within the protection scope of this example.

Claims

1. A grinding device for machining machine tool parts, characterized in that, Including the workbench (1); The workbench (1) is equipped with a grinding mechanism (7) and a product inspection mechanism. The grinding mechanism (7) includes an active grinding wheel (72) and a driven grinding wheel (73) rotatably mounted on the workbench (1). A grinding gap is left between the active grinding wheel (72) and the driven grinding wheel (73). The grinding gap is used to store the workpiece (100). The active grinding wheel (72) and the driven grinding wheel (73) rotate in opposite directions. The product inspection mechanism includes a visual inspection component (2) and a robotic arm (3) installed on a workbench (1). A mounting frame (4) is fixedly installed at the front end of the robotic arm (3). A main pulley (41) and a rotary drive component (40) for driving the main pulley (41) to rotate are installed on the mounting frame (4). A secondary pulley (42) is rotatably connected to both sides of the bottom of the main pulley (41). The main pulley (41) and the two secondary pulleys (42) are connected by a transmission belt (43). A rotating frame (44) is rotatably connected to the bottom of the mounting frame (4). A rotary drive component (45) is installed on the mounting frame (4). The rotary drive component (45) is used to drive the rotating frame (44) to rotate. The rotating frame (44) is equipped with a clamping assembly (5), which includes two half pulleys (51) and a power component (52) for driving the two half pulleys (51) to move closer or further apart. When the two half pulleys (51) move closer together, they form a complete pulley. One side of the complete pulley is in contact with the transmission belt (43). The two half pulleys (51) are used to clamp the workpiece (100).

2. The grinding device for machine tool parts manufacturing and processing according to claim 1, characterized in that, The grinding mechanism (7) also includes a gantry frame (71), which is installed on the workbench (1). The gantry frame (71) is located directly above the grinding gap. A dual-axis moving mechanism (711) is installed inside the gantry frame (71). The output end of the dual-axis moving mechanism (711) is connected to a U-shaped gripper (76). The active grinding wheel (72) has a loading rack (74) and a unloading rack (75) on its axial sides respectively. The loading rack (74) is located on the side of the active grinding wheel (72) away from the product inspection mechanism, and the unloading rack (75) is located on the side of the active grinding wheel (72) close to the product inspection mechanism.

3. The grinding device for machine tool parts manufacturing and processing according to claim 2, characterized in that, The power component (52) includes a cylinder (521), which is fixedly mounted on a rotating frame (44). A connecting rod (522) is fixedly mounted on the output end of the cylinder (521). Rollers (523) are rotatably connected to both ends of the connecting rod (522). An annular groove (511) is provided on the upper surface of the half pulley (51). The two rollers (523) are rolled inside the annular groove (511). The cross-section of the annular groove (511) is convex.

4. A grinding device for machine tool parts manufacturing and processing according to claim 3, characterized in that, A slider (512) is fixedly connected to the bottom of the half pulley (51), and a slide rail (53) is fixedly connected to the mounting bracket (4). When the two half pulleys (51) move away from each other, the slider (512) slides inside the slide rail (53). A positioning hole (513) is opened at one end of the half pulley (51), and a positioning pin (514) is fixedly connected to the other end of the half pulley (51). When the two half pulleys (51) move closer to each other and merge together, the positioning pin (514) is inserted into the positioning hole (513).

5. A grinding device for machine tool parts manufacturing and processing according to claim 4, characterized in that, Both of the two half pulleys (51) are detachably connected to a half ring (54) on their inner sides. A number of balls (55) are rolled on the inner wall of the half ring (54) and are used to clamp the outer wall of the workpiece (100).

6. A grinding device for machine tool parts manufacturing and processing according to claim 5, characterized in that, The lower part of the main pulley (41) is a straight belt section (430). The axis of the straight belt section (430) is perpendicular to the axis of the half pulley (51). One side of the complete pulley is pressed against the straight belt section (430). The second rotary drive component (45) drives the rotating frame (44) to rotate around the axis of the straight belt section (430).

7. A grinding device for machine tool parts manufacturing and processing according to claim 6, characterized in that, The grinding device also includes a pressing component (6), which includes an eccentric wheel (61) mounted on the front surface of the main pulley (41). A rod (62) is provided below the eccentric wheel (61). The rod (62) is vertically inserted into the mounting bracket (4). A pressure plate (63) is fixedly installed at the upper end of the rod (62). The outer surface of the eccentric wheel (61) presses against the upper side of the pressure plate (63).

8. A grinding device for machine tool parts manufacturing and processing according to claim 7, characterized in that, A spring (64) is sleeved on the outside of the insert rod (62). The two ends of the spring (64) are pressed against the mounting bracket (4) and the pressure plate (63) respectively. The pressure plate (63) is an arc shape with both ends facing upward. The outer surface of the main pulley (41) is pressed against the inner wall of the pressure plate (63). A pressure rod (65) is fixedly installed on one side of the pressure plate (63). The pressure rod (65) is used to press down the workpiece (100).

9. A grinding device for machine tool parts manufacturing and processing according to claim 8, characterized in that, The robotic arm (3) includes a base (31), a rotating seat (32) is rotatably connected to the base (31), a large arm (33) is rotatably connected to the rotating seat (32), a small arm (34) is rotatably connected to the upper end of the large arm (33), a rotating arm (35) is rotatably connected to the front end of the small arm (34), an end arm (36) is rotatably connected to the front end of the rotating arm (35), and the mounting bracket (4) is fixedly installed on the end arm (36).

10. A grinding device for machining machine tool parts according to claim 9, characterized in that, The visual inspection component (2) includes a bracket (21), which is fixedly installed on the workbench (1). A ring light source (22) is installed at the upper end of the bracket (21), and a visual camera (23) is arranged directly below the ring light source (22).

Citation Information

Patent Citations

  • Cast-weld quality inspection tool for busbar of lead-acid storage battery

    CN217033694U

  • Grinding machine for machining automobile die

    CN220740586U

  • Grinding device and method for small-diameter tube dense-tube row welds

    WO2020048368A1

  • Polishing robot, polishing device, and polishing method

    WO2025192273A1