Grinding equipment for metal parts processing

Abstract

The present invention relates to the technical field of metal parts processing, specifically a grinding device for metal parts processing, mainly comprising a base, a grinding assembly and a moving assembly movably mounted on the top surface of the base, a clamping mechanism arranged above the base, a supporting mechanism arranged on one side of the fixed frame, and a placing mechanism arranged below the fixed frame. When the fixed rod is driven to move by the moving ring, the fixed rod drives the moving rod to move, the moving rod drives the moving plate to move, the moving plate drives the connecting rod to move, the connecting rod drives the connecting plate to move, the connecting plate drives the mounting rod to move, the mounting rod drives the arc plate to move, the outer wall of the arc plate abuts against the inner wall of the cylindrical metal part, supports and fixes the inner wall of the cylindrical metal part, and is not easy to cause obstruction to the outer wall of the cylindrical metal part, ensuring that the cylindrical metal part is fully polished, and no manual polishing is required, which not only reduces the workload, but also greatly improves the overall work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of metal parts processing, in particular to a grinding device used for metal parts processing. Background Art

[0002] At present, the processing and manufacturing process of metal surfaces is mainly based on the needs and style of the final product. In particular, if there are clear requirements for the outer surface of the product, the metal raw materials with processed surfaces are directly purchased, and then formed and polished to finally produce metal surface products.

[0003] However, when existing devices are used to grind the surfaces of some cylindrical metal parts, it is first necessary to clamp and fix the outer walls of the two ends of the cylindrical metal parts. Since the outer walls of the two ends of the cylindrical metal parts are blocked by the clamping components, it is difficult to fully grind these parts. Therefore, it is usually necessary to manually grind these blocked parts after the machine grinding is completed, which not only increases the workload, but also greatly reduces the overall work efficiency.

[0004] Therefore, a grinding device for metal workpiece processing is proposed. Summary of the Invention

[0005] The object of the present invention is to provide a grinding device for metal workpiece processing to solve the problems raised by the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A grinding device for metal parts processing, comprising: a base, a grinding assembly and a moving assembly being movably mounted on the top surface of the base;

[0008] A clamping mechanism is provided above the base, and the clamping mechanism includes a fixing frame located above the base, and a clamping frame is provided on one side of the fixing frame for clamping and fixing the metal part;

[0009] A support mechanism is provided on one side of the fixed frame. The support mechanism includes a fixed shaft located inside the fixed frame, a connecting plate is provided on the outside of the fixed shaft, and an arc-shaped plate is provided on one side of the connecting plate for supporting and fixing the inner wall of the metal part;

[0010] The placement mechanism is arranged below the fixed frame. The placement mechanism includes a placement plate located on one side of the fixed frame. A rotating rod is fixedly installed on the bottom surface of the placement plate by bolts to place and support the metal parts.

[0011] Preferably, support plates are fixedly installed on the top surface of the base and the top surface of the movable component respectively. There are two fixed frames, and the two fixed frames are fixedly connected to the two support plates close to the sides away from the sides respectively. A movable groove is opened inside the fixed frame, and a movable ring is slidably installed on the inner wall of the movable groove.

[0012] Preferably, multiple elastic parts are fixedly installed on the side of the moving ring, and the other ends of the multiple elastic parts are fixedly connected to the inner wall of one side of the moving groove. Multiple support rods are fixedly installed on the other side of the moving ring, and the other ends of the multiple support rods slide through the inner wall of the moving groove and extend to the outside of the fixed frame. One end of the multiple support rods is fixedly connected to the side of the clamping frame.

[0013] Preferably, a plurality of fixing rods are fixedly installed on the inner wall of the moving circle, a plurality of through slots are opened through the inner wall of the moving groove, the outer walls of the plurality of fixing rods are respectively slidably connected to the inner walls of the plurality of through slots, and a limiting block is respectively fixedly installed on one end of the plurality of fixing rods.

[0014] Preferably, the side of the support plate is fixedly connected to one end of the fixed shaft, a plurality of T-shaped slots are provided on the outer wall of the fixed shaft, the inner walls of the plurality of T-shaped slots are respectively slidably connected to the outer walls of the plurality of limit blocks, a circular plate is fixedly installed on the other end of the fixed shaft, and a fixed sleeve is fixedly installed on the outer wall of the fixed shaft.

[0015] Preferably, multiple moving rods are fixedly installed on the sides of multiple fixed rods, and the other ends of the multiple moving rods are fixedly installed with moving plates. The inner wall of the moving plate is slidingly connected to the outer wall of the fixed shaft, and the outer wall of the moving plate and the outer wall of the fixed sleeve are hinged with multiple connecting rods respectively. There are multiple connecting plates, and the other ends of the multiple connecting rods are hinged to the sides of the multiple connecting plates respectively.

[0016] Preferably, two mounting rods are fixedly installed on the sides of the multiple connecting plates, there are multiple curved plates, the other ends of the multiple mounting rods are fixedly connected to the inner walls of the multiple curved plates, and the outer walls of the multiple curved plates are provided with multiple anti-slip grooves.

[0017] Preferably, the outer wall of the fixed shaft and the outer walls of the multiple movable rods are slidably connected with a movable sleeve, and the outer wall of the movable sleeve is fixedly installed with multiple limit rods. The other ends of the multiple limit rods slide through the sides of the multiple connecting plates and extend to the other side of the connecting plates. One end of the multiple limit rods is fixedly installed with a circular plate 2.

[0018] Preferably, a support block is fixedly installed on the outer wall of the lower end of the fixed frame, and the lower end of the support block is hinged to the middle side of the rotating rod, and a hinge block is fixedly installed on the bottom surface of the other end of the rotating rod, and the bottom surface of the hinge block is hinged to the hinge rod. A through groove 2 is opened through the inner wall of the movable groove, and a movable frame is fixedly installed on the outer wall of the lower end of the movable ring, and the side surface of the movable frame is slidably connected to the inner wall of the through groove 2. A hinge groove is opened at the lower end of the movable frame, and the inner wall of the hinge groove is hinged to the other end of the hinge rod.

[0019] Preferably, an arc rod is fixedly installed on the outer wall of the lower end of the fixed frame, the lower end of the arc rod slides through the top surface of one end of the rotating rod and extends to the bottom of the rotating rod, and a limiting circular plate is fixedly installed on the lower end of the arc rod.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] When the fixed rod is driven to move by the moving ring of the present invention, the fixed rod drives the moving rod to move, the moving rod drives the moving plate to move, the moving plate drives the connecting rod to move, the connecting rod drives the connecting plate to move, the connecting plate drives the mounting rod to move, and the mounting rod drives the curved plate to move. The outer wall of the curved plate abuts against the inner wall of the cylindrical metal part, supporting and fixing the inner wall of the cylindrical metal part, and not easily obstructing the outer wall of the cylindrical metal part, ensuring that the cylindrical metal part is fully polished, and no manual polishing is required, which not only reduces the workload but also greatly improves the overall work efficiency.

[0022] The supporting plate is driven to move by the moving assembly, the supporting plate drives the fixed frame to move, the fixed frame drives the moving ring to move, the moving ring drives the supporting rod and the clamping frame to move, and the two ends of the cylindrical metal part are squeezed and fixed by the clamping frame. At the same time, the clamping frame will not exceed the outer wall of the cylindrical metal part, so it is not easy to block the outer wall of the cylindrical metal part, ensuring that the outer wall of the cylindrical metal part is polished more comprehensively and thoroughly;

[0023] By placing the cylindrical metal part on the placement plate, when the clamping frame clamps and fixes the cylindrical metal part, the moving ring is driven to move, which drives the moving frame to move, and the moving frame drives the hinged rod to move. The hinged rod pushes the rotating rod to rotate through the hinge block, and the other end of the rotating rod drives the placement plate to rotate, so that the placement plate rotates away from the cylindrical metal part. When the cylindrical metal part is polished, it will not cause obstruction to the outer wall of the cylindrical metal part. At the same time, before the cylindrical metal part is fixed, the cylindrical metal part can be placed and limited, thereby improving the flexibility and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the bottom of the three-dimensional structure of the fixing frame of the present invention;

[0026] Figure 3 This is an exploded view of the three-dimensional structure of the moving circle of the present invention;

[0027] Figure 4 For the present invention Figure 2 Enlarged view of point A in the middle;

[0028] Figure 5 For the present invention Figure 3 Enlarged view of point B in the middle;

[0029] Figure 6 It is a cross-sectional schematic diagram of the three-dimensional structure of the fixing frame of the present invention;

[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of the curved plate of the present invention;

[0031] Figure 8 For the present invention Figure 6 Enlarged view of point C in the middle.

[0032] In the picture:

[0033] 1. Base; 101. Grinding assembly; 102. Moving assembly;

[0034] 2. Clamping mechanism; 201. Support plate; 202. Fixed frame; 203. Moving groove; 204. Moving ring; 205. Elastic member; 206. Support rod; 207. Clamping frame;

[0035] 3. Support mechanism; 301. Through slot 1; 302. Fixed rod; 303. Limit block; 304. Fixed shaft; 305. T-slot; 306. Moving rod; 307. Moving plate; 308. Circular plate 1; 309. Fixed sleeve; 310. Connecting rod; 311. Connecting plate; 312. Mounting rod; 313. Curved plate; 314. Moving sleeve; 315. Limiting rod; 316. Circular plate 2;

[0036] 4. Placement mechanism; 401. Support block; 402. Rotating rod; 403. Placement plate; 404. Second through slot; 405. Moving frame; 406. Hinge slot; 407. Hinge rod; 408. Hinge block; 409. Arc rod; 410. Limiting circular plate. DETAILED DESCRIPTION

[0037] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0038] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0039] like Figure 1-8 As shown, the present application provides a grinding device for metal workpiece processing, comprising: a base 1, a grinding assembly 101 and a moving assembly 102 being movably mounted on the top surface of the base 1;

[0040] The clamping mechanism 2 is provided above the base 1. The clamping mechanism 2 includes a fixing frame 202 located above the base 1. A clamping frame 207 is provided on one side of the fixing frame 202 for clamping and fixing the metal part.

[0041] Specifically, such as Figure 1-8 As shown, support plates 201 are fixedly installed on the top surface of the base 1 and the top surface of the movable component 102 respectively. There are two fixed frames 202. The two fixed frames 202 are fixedly connected to the two support plates 201 close to the sides away from the sides respectively. A movable groove 203 is opened inside the fixed frame 202, and a movable ring 204 is slidably installed on the inner wall of the movable groove 203.

[0042] In this embodiment: through the provided moving component 102, the support plate 201 on one side can be driven to move, thereby facilitating the fixation of the metal parts, and through the provided moving groove 203, the moving ring 204 can move on the inner wall of the moving groove 203.

[0043] Specifically, such as Figure 1-8 As shown, multiple elastic parts 205 are fixedly installed on the side of the moving ring 204, and the other ends of the multiple elastic parts 205 are fixedly connected to the inner wall of one side of the moving groove 203. Multiple support rods 206 are fixedly installed on the other side of the moving ring 204, and the other ends of the multiple support rods 206 slide through the inner wall of the moving groove 203 and extend to the outside of the fixed frame 202. One end of the multiple support rods 206 is fixedly connected to the side of the clamping frame 207.

[0044] In this embodiment: an elastic force is applied to the moving ring 204 through the elastic member 205, and the moving ring 204 drives the support rod 206 to move, and the support rod 206 drives the clamping frame 207 to clamp and fix the metal member, and when the metal member is clamped and fixed, the moving ring 204 moves to squeeze the elastic member 205.

[0045] The support mechanism 3 is provided on one side of the fixed frame 202. The support mechanism 3 includes a fixed shaft 304 located inside the fixed frame 202. A connecting plate 311 is provided on the outside of the fixed shaft 304. An arc-shaped plate 313 is provided on one side of the connecting plate 311 for supporting and fixing the inner wall of the metal part.

[0046] Specifically, such as Figure 1-8 As shown, a plurality of fixed rods 302 are fixedly installed on the inner wall of the moving ring 204, a plurality of through slots 301 are opened through the inner wall of the moving groove 203, the outer walls of the plurality of fixed rods 302 are respectively slidably connected to the inner walls of the plurality of through slots 301, and a limiting block 303 is respectively fixedly installed on one end of the plurality of fixed rods 302.

[0047] In this embodiment, the fixed rod 302 is moved by the movable ring 204 , and the through slot 1 301 is provided to limit the fixed rod 302 , thereby limiting the movable ring 204 , ensuring that the movable ring 204 moves linearly and does not rotate.

[0048] Specifically, such as Figure 1-8As shown, the side of the support plate 201 is fixedly connected to one end of the fixed shaft 304, and a plurality of T-shaped slots 305 are provided on the outer wall of the fixed shaft 304. The inner walls of the plurality of T-shaped slots 305 are respectively slidably connected to the outer walls of the plurality of limit blocks 303. A circular plate 308 is fixedly installed on the other end of the fixed shaft 304, and a fixed sleeve 309 is fixedly installed on the outer wall of the fixed shaft 304.

[0049] In this embodiment: the T-shaped groove 305 is provided to further limit the limit block 303 and the fixed rod 302, ensuring that the fixed rod 302 moves more smoothly and the stability of the device is improved. The circular plate 308 is provided to limit the structure on the fixed shaft 304, ensuring that the structure on the fixed shaft 304 is not easy to fall off.

[0050] Specifically, such as Figure 1-8 As shown, multiple moving rods 306 are fixedly installed on the sides of multiple fixed rods 302, and the other ends of the multiple moving rods 306 are fixedly installed with moving plates 307. The inner wall of the moving plate 307 is slidingly connected to the outer wall of the fixed shaft 304. The outer wall of the moving plate 307 and the outer wall of the fixed sleeve 309 are respectively hinged with multiple connecting rods 310. There are multiple connecting plates 311, and the other ends of the multiple connecting rods 310 are hinged to the sides of the multiple connecting plates 311.

[0051] In this embodiment, the fixed rod 302 moves, driving the movable rod 306 to move, the movable rod 306 drives the movable plate 307 to move, the movable plate 307 pushes the connecting rod 310 to move, and the connecting rod 310 pushes the connecting plate 311 to move.

[0052] Specifically, such as Figure 1-8 As shown, two mounting rods 312 are fixedly installed on the sides of the multiple connecting plates 311, there are multiple curved plates 313, and the other ends of the multiple mounting rods 312 are fixedly connected to the inner walls of the multiple curved plates 313, and the outer walls of the multiple curved plates 313 are provided with multiple anti-slip grooves.

[0053] In this embodiment: the connecting plate 311 drives the installation rod 312 to move, the installation rod 312 drives the arc plate 313 to move, the arc plate 313 supports and fixes the inner wall of the metal part, and at the same time, the outer wall of the arc plate 313 is provided with multiple anti-slip grooves, so that the outer wall of the arc plate 313 and the inner wall of the metal part are not easy to slide, further improving the stability of the support and fixation of the metal part.

[0054] Specifically, such as Figure 1-8 As shown, the outer wall of the fixed shaft 304 and the outer wall of the multiple movable rods 306 are slidably connected with a movable sleeve 314, and the outer wall of the movable sleeve 314 is fixedly installed with multiple limiting rods 315. The other ends of the multiple limiting rods 315 slide through the sides of the multiple connecting plates 311 and extend to the other side of the connecting plate 311. One end of the multiple limiting rods 315 is fixedly installed with a circular plate 2 316.

[0055] In this embodiment, the connection plate 311 is limited by the provided limiting rod 315 , so that the movement of the connection plate 311 is more stable.

[0056] The placement mechanism 4 is arranged below the fixed frame 202. The placement mechanism 4 includes a placement plate 403 located on one side of the fixed frame 202. A rotating rod 402 is fixed to the bottom surface of the placement plate 403 by bolts to place and support the metal parts.

[0057] Specifically, such as Figure 1-8 As shown, a support block 401 is fixedly installed on the outer wall of the lower end of the fixed frame 202, and the lower end of the support block 401 is hinged to the middle side of the rotating rod 402. A hinge block 408 is fixedly installed on the bottom surface of the other end of the rotating rod 402, and a hinge rod 407 is hinged on the bottom surface of the hinge block 408. A through groove 204 is provided on the inner wall of the movable groove 203. A movable frame 405 is fixedly installed on the outer wall of the lower end of the movable ring 204. The side surface of the movable frame 405 is slidably connected to the inner wall of the through groove 204. A hinge groove 406 is provided at the lower end of the movable frame 405, and the inner wall of the hinge groove 406 is hinged to the other end of the hinge rod 407.

[0058] In this embodiment: when the movable frame 405 moves, the hinged rod 407 is driven to move, and the hinged rod 407 drives the rotating rod 402 to rotate through the hinge block 408. The other end of the rotating rod 402 drives the placement plate 403 to rotate, so that the placement plate 403 is away from the metal parts, ensuring that the placement plate 403 is not easy to block the metal parts, so that the metal parts can be fully polished.

[0059] Specifically, such as Figure 1-8 As shown, an arc rod 409 is fixedly installed on the outer wall of the lower end of the fixed frame 202. The lower end of the arc rod 409 slides through the top surface of one end of the rotating rod 402 and extends to the bottom of the rotating rod 402. A limiting circular plate 410 is fixedly installed on the lower end of the arc rod 409.

[0060] In this embodiment, the arc-shaped rod 409 is provided to limit the rotation rod 402, so that the rotation rod 402 rotates more stably and is not easily deviated.

[0061] The specific solution is as follows: the cylindrical metal part is placed on the placement plate 403, the moving component 102 drives the support plate 201 to move, the support plate 201 drives the fixed frame 202 to move, the fixed frame 202 drives the moving ring 204 to move, the moving ring 204 drives the support rod 206 and the clamping frame 207 to move, and the clamping frame 207 is used to squeeze and fix the two ends of the cylindrical metal part. At the same time, the clamping frame 207 will not exceed the outer wall of the cylindrical metal part, so it is not easy to block the outer wall of the cylindrical metal part, ensuring that the outer wall of the cylindrical metal part is polished more comprehensively and thoroughly. When the clamping frame 207 clamps and fixes the cylindrical metal part, it drives the moving ring 204 to move, drives the moving frame 405 to move, and the moving frame 405 drives the hinged rod 407 to move. The hinged rod 407 pushes the rotating rod 402 to rotate through the hinge block 408, and the other end of the rotating rod 402 drives the placement plate 403 to rotate, so that the placement plate 403 rotates away from the cylindrical metal part. When the cylindrical metal part is polished, it will not block the outer wall of the cylindrical metal part. At the same time, before the cylindrical metal part is fixed, the cylindrical metal part can be placed and limited, thereby improving the flexibility and practicality of the device. At the same time, when the moving ring 204 moves, the moving ring 204 drives the fixed rod 302 to move, the fixed rod 302 drives the moving rod 306 to move, the moving rod 306 drives the moving plate 307 to move, the moving plate 307 drives the connecting rod 310 to move, the connecting rod 310 drives the connecting plate 311 to move, the connecting plate 311 drives the mounting rod 312 to move, and the mounting rod 312 drives the arc plate 313 to move. The outer wall of the arc plate 313 abuts against the inner wall of the cylindrical metal part, supporting and fixing the inner wall of the cylindrical metal part, and it is not easy to block the outer wall of the cylindrical metal part, thereby ensuring that the cylindrical metal part is fully polished, and no manual polishing is required. This not only reduces the workload, but also greatly improves the overall work efficiency.

[0062] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative; within the scope of the present invention, the technical features of the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0063] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A grinding device for metal workpiece processing, comprising: A base (1), wherein a grinding assembly (101) and a moving assembly (102) are movably mounted on the top surface of the base (1), characterized in that: A clamping mechanism (2) is arranged above the base (1), the clamping mechanism (2) comprises a fixed frame (202) located above the base (1), a clamping frame (207) is arranged on one side of the fixed frame (202), a support plate (201) is fixedly mounted on the top surface of the base (1) and the top surface of the movable assembly (102), two fixed frames (202) are fixedly connected to the two support plates (201) close to the side surface away from the side surface, a movable groove (203) is provided inside the fixed frame (202), and a movable ring (204) is slidably mounted on the inner wall of the movable groove (203) for clamping and fixing the metal part; A support mechanism (3) is provided on one side of the fixed frame (202), the support mechanism (3) comprising a fixed shaft (304) located inside the fixed frame (202), a connecting plate (311) provided outside the fixed shaft (304), and an arc-shaped plate (313) provided on one side of the connecting plate (311) for supporting and fixing the inner wall of the metal part; A placement mechanism (4) is arranged below the fixed frame (202), and the placement mechanism (4) includes a placement plate (403) located on one side of the fixed frame (202), a rotating rod (402) is fixedly installed on the bottom surface of the placement plate (403) by means of bolts, a support block (401) is fixedly installed on the outer wall of the lower end of the fixed frame (202), the lower end of the support block (401) is hinged to the middle side of the rotating rod (402), a hinge block (408) is fixedly installed on the bottom surface of the other end of the rotating rod (402), and the bottom surface of the hinge block (408) is hinged to a hinge rod (407), and a through groove (408) is provided on the inner wall of the movable groove (203). 04), a moving frame (405) is fixedly installed on the outer wall of the lower end of the moving ring (204), and the side of the moving frame (405) is slidably connected to the inner wall of the second through groove (404). A hinge groove (406) is opened at the lower end of the moving frame (405), and the inner wall of the hinge groove (406) is hinged to the other end of the hinge rod (407). An arc rod (409) is fixedly installed on the outer wall of the lower end of the fixed frame (202), and the lower end of the arc rod (409) slides through the top surface of one end of the rotating rod (402) and extends to the bottom of the rotating rod (402). A limited circular plate (410) is fixedly installed on the lower end of the arc rod (409) to support the placement of the metal parts.

2. A grinding device for metal parts processing according to claim 1, characterized in that: A plurality of elastic members (205) are fixedly mounted on the side of the moving ring (204), and the other ends of the plurality of elastic members (205) are fixedly connected to the inner wall of one side of the moving groove (203). A plurality of support rods (206) are fixedly mounted on the other side of the moving ring (204), and the other ends of the plurality of support rods (206) slide through the inner wall of the moving groove (203) and extend to the outside of the fixed frame (202), and one end of the plurality of support rods (206) is fixedly connected to the side of the clamping frame (207).

3. The grinding device for metal parts processing according to claim 1, characterized in that: A plurality of fixed rods (302) are fixedly installed on the inner wall of the moving ring (204), a plurality of through slots (301) are opened through the inner wall of the moving groove (203), the outer walls of the plurality of fixed rods (302) are respectively slidably connected to the inner walls of the plurality of through slots (301), and a limiting block (303) is respectively fixedly installed on one end of the plurality of fixed rods (302).

4. A grinding device for metal parts processing according to claim 3, characterized in that: The side surface of the support plate (201) is fixedly connected to one end of the fixed shaft (304); a plurality of T-shaped slots (305) are provided on the outer wall of the fixed shaft (304); the inner walls of the plurality of T-shaped slots (305) are respectively slidably connected to the outer walls of the plurality of limit blocks (303); a circular plate (308) is fixedly installed on the other end of the fixed shaft (304); and a fixing sleeve (309) is fixedly installed on the outer wall of the fixed shaft (304).

5. The grinding device for metal parts processing according to claim 4, characterized in that: Multiple moving rods (306) are fixedly installed on the sides of the multiple fixed rods (302), and the other ends of the multiple moving rods (306) are fixedly installed with moving plates (307). The inner wall of the moving plate (307) is slidably connected to the outer wall of the fixed shaft (304). The outer wall of the moving plate (307) and the outer wall of the fixed sleeve (309) are respectively hinged with multiple connecting rods (310). The number of the connecting plates (311) is multiple, and the other ends of the multiple connecting rods (310) are hinged to the sides of the multiple connecting plates (311).

6. The grinding device for metal parts processing according to claim 5, characterized in that: Two mounting rods (312) are fixedly mounted on the sides of the plurality of connecting plates (311), the number of the arc-shaped plates (313) is multiple, the other ends of the plurality of mounting rods (312) are fixedly connected to the inner walls of the plurality of arc-shaped plates (313), and the outer walls of the plurality of arc-shaped plates (313) are provided with a plurality of anti-slip grooves.

7. A grinding device for metal workpiece processing according to claim 6, characterized in that: The outer wall of the fixed shaft (304) and the outer walls of the plurality of movable rods (306) are slidably sleeved with a movable sleeve (314), and the outer wall of the movable sleeve (314) is fixedly mounted with a plurality of limiting rods (315), and the other ends of the plurality of limiting rods (315) respectively slide through the side surfaces of the plurality of connecting plates (311) and extend to the other side of the connecting plate (311), and one end of the plurality of limiting rods (315) is fixedly mounted with a second circular plate (316).

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