Efficient feeding and polishing device for steel wheel hub

Abstract

This invention discloses a high-efficiency steel wheel hub feeding and grinding device in the field of wheel hub grinding technology. The device includes a main frame, a mounting platform on the main frame, and a fastening mechanism. The fastening mechanism includes three first pressing blocks mounted on the mounting platform. A first spring rod is fixedly mounted on the surface of each first pressing block. A first counter-pressure spring is fixedly mounted on the end of the first spring rod away from the first pressing block. A second pressing block drives the second spring rod to press the second counter-pressure spring in the opposite direction. At this time, the second pressing block fixes the wheel hub. At the same time, the first pressing block is reset under the action of the sliding groove mechanism. Then, under the action of the driving device, it continues to rotate. Simultaneously, with the action of the rotating mechanism, it tilts to the grinding disc for grinding operation, thereby avoiding insufficient grinding in the fixed position of the clamp, which affects the grinding quality of the wheel hub, and achieving the function of improving the efficiency of automatic clamp changing fixed position.

Description

Technical Field

[0001] This invention relates to the field of wheel hub grinding technology, and in particular to a high-efficiency feeding and grinding device for steel wheel hubs. Background Technology

[0002] With the development of automotive technology, new energy vehicles are gradually replacing fuel vehicles. The manufacturing process of automotive parts requires many steps to complete, and the finished product of the car is finally assembled. Among the automotive parts, the most important is the wheel hub. The wheel hub also needs to go through different processes during the production process to meet the required quality standards.

[0003] Currently, wheel hub polishing is a crucial process in wheel hub manufacturing. Polishing removes burrs from the wheel hub. However, some current polishing equipment requires manual fixing of the wheel hub to the polishing mechanism with screws, which is cumbersome and affects production efficiency. Although automated clamping equipment exists, it occupies the surface of the wheel hub during polishing, preventing the area from being polished and requiring secondary polishing, thus reducing polishing efficiency.

[0004] Based on this, the present invention designs a high-efficiency feeding and grinding device for steel wheel hubs to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a high-efficiency steel wheel hub feeding and grinding device, which aims to solve the technical problems existing in the prior art mentioned in the background.

[0006] The present invention is implemented as follows: a high-efficiency feeding and grinding device for steel wheel hubs, the device comprising:

[0007] Main frame: including the mounting platform set on the main frame;

[0008] Fastening mechanism: includes three first pressing blocks mounted on the mounting platform, each first pressing block having a first spring rod fixedly mounted on its surface, and a first counter-pressure spring fixedly mounted on the end of the first spring rod away from the first pressing block; also includes three second pressing blocks mounted on the mounting platform, each second pressing block having a second spring rod fixedly mounted on its surface, and a second counter-pressure spring fixedly mounted on the end of the second spring rod away from the second pressing block; the surface of the first pressing block contacts a hub component;

[0009] The grooving mechanism is used to drive the first and second extrusion blocks to extrude and fix the wheel hub parts.

[0010] Drive unit: used to position the wheel hub and drive it to rotate and grind.

[0011] Rotating mechanism: used to tilt the wheel hub for grinding on the grinding disc.

[0012] Furthermore, the sliding mechanism includes an irregularly shaped cylinder mounted on a mounting platform. A low sliding groove and a high sliding groove are formed on the surface of the irregularly shaped cylinder. The low and high sliding grooves are smoothly connected. A first sliding ball is slidably connected to the surface of the low sliding groove. A first connecting rod is fixedly installed at the end of each first sliding ball away from the low sliding groove. A sliding rod is fixedly installed at the end of the first connecting rod away from the first sliding ball. A sliding block is fixedly installed at the end of the sliding rod away from the first connecting rod. A return spring is fixedly installed on the surface of the sliding block. A second sliding ball is slidably connected to the surface of the low sliding groove on an adjacent side. A second connecting rod is fixedly installed at the end of the second sliding ball away from the low sliding groove. Another sliding rod is fixedly installed at the end of the second connecting rod away from the second sliding ball. Another sliding block is fixedly installed at the end of the other sliding rod away from the second connecting rod. Another return spring is fixedly installed on the surface of the other sliding block. A first counter-pressure spring is fixedly connected to the sliding block at the end away from the first spring rod, and the first spring rod is slidably connected to the sliding block. A second counter-pressure spring is fixedly connected to the sliding block at the end away from the second spring rod, and the second spring rod is slidably connected to the sliding block.

[0013] Furthermore, the driving device includes a drive motor mounted on a mounting platform, a rotating cylinder fixedly mounted at the output end of the drive motor, a first turntable fixedly mounted on the surface of the rotating cylinder, a second turntable fixedly mounted on the surface of the rotating cylinder, a positioning block fixedly mounted coaxially on the surface of the rotating cylinder, three positioning blocks fixedly mounted on the surface of the first turntable, the surface of the first turntable being slidably connected to a sliding block, a first spring rod passing through and slidably connected to a sliding block, a sliding rod passing through and slidably connected to a sliding block, and three other positioning blocks fixedly mounted on the surface of the second turntable, a second spring rod passing through and slidably connected to a sliding block, and a sliding rod passing through and slidably connected to a sliding block.

[0014] Furthermore, the device also includes a translation mechanism, which includes a translation motor fixedly installed on the inner wall of the rotating cylinder. A rotating lead screw is fixedly installed at the output end of the translation motor. The rotating lead screw and the lead screw slider form a threaded pair transmission. Two limiting blocks are fixedly installed on the surface of the lead screw slider. The limiting blocks are slidably connected to the inner wall of the rotating cylinder. Two thrust rods are fixedly installed on the surface of the lead screw slider. A cylindrical block is fixedly installed at the end of the thrust rod away from the lead screw slider. The end of the cylindrical block away from the thrust rod is fixedly connected to the irregular cylinder.

[0015] Furthermore, the rotating mechanism includes a rotating motor fixedly mounted on the mounting platform, a rotating shaft fixedly mounted on the output end of the rotating motor, the rotating shaft cooperating with the inner wall of the rotating platform, the rotating platform being rotatably connected to the mounting platform, a drive motor fixedly mounted on the surface of the rotating platform, and a rotating cylinder rotatably connected to the surface of the rotating platform.

[0016] Furthermore, the surface of the first extrusion block is fixedly fitted with anti-slip rubber.

[0017] Furthermore, the surface of the second extrusion block is fixedly fitted with anti-slip rubber.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. The present invention drives the first spring rod to move in the opposite direction through the first extrusion block, and compresses the first counter-pressure spring at the same time. At this time, the first extrusion block fixes the wheel hub under the elastic potential energy of the first counter-pressure spring, thereby avoiding the tedious manual fixing and improving the feeding efficiency.

[0020] 2. In this invention, the second extrusion block drives the second spring rod to press the second counter-pressure spring in the opposite direction. At this time, the second extrusion block fixes the hub component, while the first extrusion block is reset under the action of the sliding groove mechanism. At this time, under the action of the driving device, it continues to rotate and, in conjunction with the action of the rotating mechanism, tilts to the grinding disc for grinding operation. This avoids insufficient grinding in the fixed position of the fixture, which affects the grinding quality of the hub and achieves the function of improving the efficiency of automatic change of the fixed position of the fixture. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a high-efficiency steel wheel hub feeding and grinding device provided in an embodiment of the present invention;

[0022] Figure 2 This is a schematic cross-sectional view of the present invention;

[0023] Figure 3 For the present invention Figure 2 A magnified structural diagram at point A;

[0024] Figure 4 For the present invention Figure 2 A magnified structural diagram at point B;

[0025] Figure 5 For the present invention Figure 2 A magnified structural diagram at point C;

[0026] Figure 6 This is a schematic diagram of the structure of a high-efficiency steel wheel hub feeding and grinding device according to the present invention from another perspective.

[0027] Figure 7 For the present invention Figure 6 A magnified structural diagram at point D;

[0028] Figure 8 This is an exploded structural diagram of a high-efficiency steel wheel hub feeding and grinding device according to the present invention;

[0029] Figure 9 For the present invention Figure 8 A magnified structural diagram at point E.

[0030] In the attached diagram: 1. Main frame; 101. Mounting platform; 2. Fastening mechanism; 201. First pressing block; 202. First spring rod; 203. First counter-compression spring; 204. Second pressing block; 205. Second spring rod; 206. Second counter-compression spring; 207. Hub component; 3. Sliding mechanism; 301. Irregularly shaped cylinder; 302. Low sliding groove; 303. High sliding groove; 304. First sliding ball; 305. First connecting rod; 306. Sliding rod; 307. Return spring; 308. Sliding block. 309. Second slider; 310. Second connecting rod; 4. Translation mechanism; 401. Translation motor; 402. Rotating lead screw; 403. Lead screw slider; 404. Limiting block; 405. Push rod; 406. Cylindrical block; 5. Drive device; 501. Drive motor; 502. Rotating cylinder; 503. First turntable; 504. Second turntable; 505. Positioning block; 506. Fixed half frame; 6. Rotation mechanism; 601. Rotating motor; 602. Rotating shaft; 603. Rotating table. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0032] It is understood that the terms “first,” “second,” etc., used in this application may be used herein to describe various elements, but unless otherwise stated, these elements are not limited by these terms. These terms are used only to distinguish one element from another.

[0033] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in one embodiment, a high-efficiency steel wheel hub feeding and grinding device is proposed, the device comprising:

[0034] Main frame 1: includes mounting platform 101 disposed on main frame 1;

[0035] Fastening mechanism 2 includes three first pressing blocks 201 mounted on the mounting platform 101. A first spring rod 202 is fixedly mounted on the surface of each first pressing block 201. A first counter-pressure spring 203 is fixedly mounted on the end of the first spring rod 202 away from the first pressing block 201. It also includes three second pressing blocks 204 mounted on the mounting platform 101. A second spring rod 205 is fixedly mounted on the surface of each second pressing block 204. A second counter-pressure spring 206 is fixedly mounted on the end of the second spring rod 205 away from the second pressing block 204. The surface of the first pressing block 201 contacts the hub component 207.

[0036] Slide mechanism 3: used to drive the first extrusion block 201 and the second extrusion block 204 to extrude and fix the hub part 207;

[0037] Drive device 5: used to position the hub component 207 and drive the hub component 207 to rotate and grind;

[0038] Rotating mechanism 6: used to drive the hub 207 to tilt and grind in the grinding disc.

[0039] In practical application, when performing wheel hub grinding, the wheel hub is mounted on the drive device 5. Under the action of the sliding mechanism 3, the first pressing block 201 presses against the inner wall of the wheel hub 207. The reaction force from the inner wall of the wheel hub 207 causes the first pressing block 201 to move the first spring rod 202 in the opposite direction, simultaneously compressing the first counter-pressure spring 203. The elastic potential energy of the first counter-pressure spring 203 then fixes the wheel hub 207 to the first pressing block 201, thus avoiding the tedious manual fixing and improving feeding efficiency. Under the action of the drive device 5, the first pressing block 201 drives the wheel hub 207 to rotate, and the rotating mechanism 6 tilts the wheel hub 207, allowing it to grind against the grinding particles in the grinding disc. During the grinding process, once grinding is complete, the rotating mechanism 6 reverses the rotation to return the wheel to a horizontal position. At this time, the sliding mechanism 3 continues to move, causing the second pressing block 204 to press against the inner wall of the wheel hub 207. The first pressing block 201 has not yet been depressurized. Under the reaction force of the inner wall of the wheel hub 207, the second pressing block 204 drives the second spring rod 205 to press the second counter-pressure spring 206 in the opposite direction. At this time, the second pressing block 204 fixes the wheel hub 207, while the first pressing block 201 is reset under the action of the sliding mechanism 3. Then, under the action of the drive device 5, the wheel hub continues to rotate and tilts towards the grinding disc for grinding, thus avoiding insufficient grinding in the fixed position of the fixture, which would affect the grinding quality of the wheel hub and improve the efficiency of automatic fixture position changing.

[0040] like Figure 3 , Figure 4, Figure 5 and Figure 9 As shown, in a preferred embodiment of the present invention, the sliding groove mechanism 3 includes a shaped cylinder 301 mounted on a mounting platform 101. A low sliding groove 302 and a high sliding groove 303 are formed on the surface of the shaped cylinder 301. The low sliding groove 302 and the high sliding groove 303 are smoothly connected. A first sliding ball 304 is slidably connected to the surface of the low sliding groove 302. A first connecting rod 305 is fixedly installed at the end of each first sliding ball 304 away from the low sliding groove 302. A sliding rod 306 is fixedly installed at the end of the first connecting rod 305 away from the first sliding ball 304. A sliding block 308 is fixedly installed at the end of the sliding rod 306 away from the first connecting rod 305. A return spring 307 is fixedly installed on the surface of the sliding block 308. The surfaces of adjacent low sliding grooves 302 are... A second sliding ball 309 is slidably connected to the surface. A second connecting rod 310 is fixedly installed at the end of the second sliding ball 309 away from the low sliding groove 302. Another sliding rod 306 is fixedly installed at the end of the second connecting rod 310 away from the second sliding ball 309. Another sliding block 308 is fixedly installed at the end of the other sliding rod 306 away from the second connecting rod 310. Another return spring 307 is fixedly installed on the surface of the other sliding block 308. The end of the first counter-pressure spring 203 away from the first spring rod 202 is fixedly connected to the sliding block 308, and the first spring rod 202 is slidably connected to the sliding block 308. The end of the second counter-pressure spring 206 away from the second spring rod 205 is fixedly connected to the sliding block 308, and the second spring rod 205 is slidably connected to the sliding block 308.

[0041] In practical applications, when fixing the wheel hub, as in the embodiments of the present invention... Figure 5 As shown, from Figure 5 Viewed from the front, the leftward movement of the irregularly shaped cylinder 301 causes the first sliding ball 304 to move along the lower sliding groove 302 to the higher sliding groove 303, as shown. Figure 3 and Figure 5 As shown, at this time, the first sliding ball 304, under the action of the high sliding groove 303, drives the first connecting rod 305 to move upward. At this time, the first connecting rod 305 drives the sliding block 308 to move upward through the sliding rod 306. The upward movement of the sliding block 308 drives the first pressing block 201 to move upward to fix the hub component 207. The reset spring 307 is set to ensure that the first sliding ball 304 is always in contact with the low sliding groove 302 and the high sliding groove 303. At the same time, when the first sliding ball 304 runs to the high sliding groove 303, as... Figure 9 As shown, the second slider 309 slides along the adjacent low groove 302, at which time the second extrusion block 204 is stationary. After the first grinding is completed, the shaped cylinder 301 continues to move to the left. At this time, the first slider 304 is still moving on the high groove 303, while the second slider 309 moves from the adjacent low groove 302 to the adjacent high groove 303, as shown. Figure 4 As shown, under the action of the high slide groove 303, the second sliding ball 309 drives another sliding rod 306 to move downward through the second connecting rod 310. At this time, the sliding rod 306 drives the second pressing block 204 to press and fix the hub part 207 through the sliding block 308. The other return spring 307 is set to ensure that the second sliding ball 309 is always in contact with the low slide groove 302 and the high slide groove 303. When the second sliding ball 309 continues to move along the high slide groove 303, the first sliding ball 304 moves to the low slide groove 302 on the same path again, driving the first pressing block 201 to quickly reset, thereby achieving rapid position switching to ensure that the unpolished position is polished and improving polishing efficiency.

[0042] like Figure 2 As shown, in another preferred embodiment of the present invention, the driving device 5 includes a drive motor 501 mounted on a mounting platform 101. A rotating cylinder 502 is fixedly mounted on the output end of the drive motor 501. A first turntable 503 is fixedly mounted on the surface of the rotating cylinder 502. A second turntable 504 is also fixedly mounted on the surface of the rotating cylinder 502. A positioning block 505 is coaxially fixedly mounted on the surface of the rotating cylinder 502. Three fixed half-frames 506 are fixedly mounted on the surface of the first turntable 503. The surface of the disc 503 is slidably connected to the sliding block 308. The first spring rod 202 passes through the fixed half-frame 506 and is slidably connected to the fixed half-frame 506. The sliding rod 306 passes through the fixed half-frame 506 and is slidably connected to the fixed half-frame 506. Three other fixed half-frames 506 are fixedly installed on the surface of the second turntable 504. The second spring rod 205 passes through the fixed half-frame 506 and is slidably connected to the fixed half-frame 506. The sliding rod 306 passes through the fixed half-frame 506 and is slidably connected to the fixed half-frame 506.

[0043] In practical applications, the embodiments of the present invention, such as Figure 2 As shown, the positioning block 505 positions the hub component 207 before fixing. After the hub component 207 is fixed, and under the action of the rotating mechanism 6, the hub component 207 moves into the grinding disc, the drive motor 501 starts to run. The drive motor 501 drives the rotating cylinder 502 to rotate through its output end. The rotating cylinder 502 drives the first turntable 503 and the second turntable 504 to rotate synchronously. The rotation of the first turntable 503 drives the hub component 207 to rotate and grind through the first pressing block 201. After one grinding is completed, the rotation of the first turntable 503 drives the hub component 207 to rotate through the second pressing block 204 to fully grind the fixed position of the first pressing block 201, thereby achieving the function of automatic and efficient grinding.

[0044] like Figure 7As shown, in another preferred embodiment of the present invention, the device further includes a translation mechanism 4. The translation mechanism 4 includes a translation motor 401 fixedly installed on the inner wall of the rotating cylinder 502. A rotating lead screw 402 is fixedly installed at the output end of the translation motor 401. The rotating lead screw 402 and the lead screw slider 403 form a threaded transmission pair. Two limiting blocks 404 are fixedly installed on the surface of the lead screw slider 403. The limiting blocks 404 are slidably connected to the inner wall of the rotating cylinder 502. Two thrust rods 405 are fixedly installed on the surface of the lead screw slider 403. A cylindrical block 406 is fixedly installed at the end of the thrust rod 405 away from the lead screw slider 403. The end of the cylindrical block 406 away from the thrust rod 405 is fixedly connected to the irregular cylinder 301.

[0045] In practical applications, the embodiments of the present invention, such as Figure 7 As shown, after the hub component 207 is positioned, the translation motor 401 starts to run. The translation motor 401 drives the rotating lead screw 402 to rotate through its output end. The rotation of the rotating lead screw 402 drives the lead screw slider 403 to move to the left through the threaded pair formed with the lead screw slider 403. The limiting block 404 is used to limit the lead screw slider 403. At this time, the lead screw slider 403 drives the cylindrical block 406 to move to the left through the thrust rod 405. The movement of the cylindrical block 406 drives the irregular cylinder 301 to move to the left, which in turn drives the first sliding ball 304 and the second sliding ball 309 to slide on the low sliding groove 302 and the high sliding groove 303 respectively.

[0046] like Figure 1 As shown, in another preferred embodiment of the present invention, the rotating mechanism 6 includes a rotating motor 601 fixedly mounted on the mounting platform 101, a rotating shaft 602 fixedly mounted on the output end of the rotating motor 601, the rotating shaft 602 cooperating with the inner wall of the rotating platform 603, the rotating platform 603 being rotatably connected to the mounting platform 101, a drive motor 501 fixedly mounted on the surface of the rotating platform 603, and a rotating cylinder 502 rotatably connected to the surface of the rotating platform 603.

[0047] In practical applications, the embodiments of the present invention, such as Figure 1 As shown, after the hub component 207 is fixed, the rotating motor 601 starts to run. The operation of the rotating motor 601 drives the rotating shaft 602 to rotate through its output end. The rotation of the rotating shaft 602 drives the rotating table 603 to rotate. The rotating table 603 drives the drive device 5 to rotate, which in turn drives the hub component 207 to rotate, so that the hub component 207 enters the grinding disc for thorough grinding, thereby achieving the purpose of automatically adjusting the posture for grinding.

[0048] like Figure 3 As shown, in another preferred embodiment of the present invention, the surface of the first extrusion block 201 is fixedly fitted with anti-slip rubber.

[0049] In practical applications, the anti-slip rubber provided on the first extrusion block 201 can effectively increase the friction between the wheel hub component 207 and the wheel hub component 207, ensuring that the wheel hub component 207 is fixed more reliably.

[0050] like Figure 4 As shown, in another preferred embodiment of the present invention, the surface of the second extrusion block 204 is fixedly fitted with anti-slip rubber.

[0051] In practical applications, the anti-slip rubber provided on the second extrusion block 204 can effectively increase the friction between the wheel hub 207 and the wheel hub 207, ensuring that the wheel hub 207 is fixed more reliably.

[0052] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-efficiency feeding and grinding device for steel wheel hubs, characterized in that, The device includes: Main frame (1): including mounting platform (101) provided on the main frame (1); Fastening mechanism (2): includes three first pressing blocks (201) mounted on the mounting platform (101), each first pressing block (201) has a first spring rod (202) fixedly mounted on its surface, and a first counter-pressure spring (203) fixedly mounted on the end of the first spring rod (202) away from the first pressing block (201). It also includes three second pressing blocks (204) mounted on the mounting platform (101), each second pressing block (204) has a second spring rod (205) fixedly mounted on its surface, and a second counter-pressure spring (206) fixedly mounted on the end of the second spring rod (205) away from the second pressing block (204). The surface of the first pressing block (201) contacts a hub component (207). Sliding mechanism (3): used to drive the first extrusion block (201) and the second extrusion block (204) to extrude and fix the hub part (207); Drive unit (5): used to position the hub component (207) and drive the hub component (207) to rotate and grind; Rotating mechanism (6): used to drive the hub component (207) to tilt and grind in the grinding disc; The sliding mechanism (3) includes a shaped cylinder (301) mounted on a mounting platform (101). A low sliding groove (302) is formed on the surface of the shaped cylinder (301), and a high sliding groove (303) is also formed on the surface of the shaped cylinder (301). The low sliding groove (302) and the high sliding groove (303) are smoothly connected. A first sliding ball (304) is slidably connected to the surface of the low sliding groove (302). A first connecting rod (305) is fixedly installed at the end of each first sliding ball (304) away from the low sliding groove (302). A sliding rod (306) is fixedly installed at the end of the first connecting rod (305) away from the first sliding ball (304). A sliding block (308) is fixedly installed at the end of the sliding rod (306) away from the first connecting rod (305). A return spring (307) is fixedly installed on the surface of the sliding block (308). A first sliding block (308) is slidably connected to the surface of the low sliding groove (302) on the adjacent side. Two sliders (309), a second connecting rod (310) is fixedly installed at the end of the second slider (309) away from the low slide groove (302), another sliding rod (306) is fixedly installed at the end of the second connecting rod (310) away from the second slider (309), another sliding block (308) is fixedly installed at the end of the other sliding rod (306) away from the second connecting rod (310), another return spring (307) is fixedly installed on the surface of the other sliding block (308), a first counter-pressure spring (203) is fixedly connected to the sliding block (308) at the end away from the first spring rod (202), and the first spring rod (202) is slidably connected to the sliding block (308), a second counter-pressure spring (206) is fixedly connected to the sliding block (308) at the end away from the second spring rod (205), and the second spring rod (205) is slidably connected to the sliding block (308).

2. The high-efficiency feeding and grinding device for steel wheel hubs according to claim 1, characterized in that, The driving device (5) includes a drive motor (501) mounted on a mounting platform (101). A rotating cylinder (502) is fixedly mounted on the output end of the drive motor (501). A first turntable (503) is fixedly mounted on the surface of the rotating cylinder (502). A second turntable (504) is also fixedly mounted on the surface of the rotating cylinder (502). A positioning block (505) is coaxially fixedly mounted on the surface of the rotating cylinder (502). Three fixed half-frames (506) are fixedly mounted on the surface of the first turntable (503). The surface of the first turntable (503) is parallel to the sliding... Block (308) is slidably connected. The first spring rod (202) passes through the fixed half frame (506) and is slidably connected to the fixed half frame (506). The sliding rod (306) passes through the fixed half frame (506) and is slidably connected to the fixed half frame (506). Three other fixed half frames (506) are fixedly installed on the surface of the second turntable (504). The second spring rod (205) passes through the fixed half frame (506) and is slidably connected to the fixed half frame (506). The sliding rod (306) passes through the fixed half frame (506) and is slidably connected to the fixed half frame (506).

3. The high-efficiency feeding and grinding device for steel wheel hubs according to claim 2, characterized in that, The device also includes a translation mechanism (4), which includes a translation motor (401) fixedly installed on the inner wall of the rotating cylinder (502). A rotating lead screw (402) is fixedly installed at the output end of the translation motor (401). The rotating lead screw (402) and the lead screw slider (403) form a threaded pair transmission. Two limiting blocks (404) are fixedly installed on the surface of the lead screw slider (403). The limiting blocks (404) are slidably connected to the inner wall of the rotating cylinder (502). Two thrust rods (405) are fixedly installed on the surface of the lead screw slider (403). A cylindrical block (406) is fixedly installed at the end of the thrust rod (405) away from the lead screw slider (403). The end of the cylindrical block (406) away from the thrust rod (405) is fixedly connected to the irregular cylinder (301).

4. The high-efficiency feeding and grinding device for steel wheel hubs according to claim 2, characterized in that, The rotating mechanism (6) includes a rotating motor (601) fixedly installed on the mounting platform (101), a rotating shaft (602) fixedly installed at the output end of the rotating motor (601), the rotating shaft (602) cooperating with the inner wall of the rotating platform (603), the rotating platform (603) being rotatably connected to the mounting platform (101), a drive motor (501) fixedly installed on the surface of the rotating platform (603), and a rotating cylinder (502) rotatably connected to the surface of the rotating platform (603).

5. The high-efficiency feeding and grinding device for steel wheel hubs according to claim 1, characterized in that, The surface of the first extrusion block (201) is fixedly fitted with anti-slip rubber.

6. The high-efficiency feeding and grinding device for steel wheel hubs according to claim 1, characterized in that, The surface of the second extrusion block (204) is fixedly fitted with anti-slip rubber.

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