Automobile metal plate polishing device

Abstract

An automobile metal plate grinding device comprises a main bearing table, a locking button, a driving table, a grinding disc, a positioning clamping jaw, a clamping jaw limiting ring, a sealing gasket, a reset spring, a grinding driving motor and a deep groove ball bearing, a grabbing handle is arranged in the main bearing table, a protective hand guard is arranged on one side of the main bearing table, and a driving table connector is arranged at the top of the main bearing table; a driving table is arranged at the top of the main bearing table, a driving table connecting seat is arranged at the bottom of the driving table, the driving table connecting seat is rotationally connected with the rotating connecting rods, a screw mounting seat is arranged on the side face of the driving table connecting seat, and a locking button is arranged on the side face of the screw mounting seat; and a locking screw rod is arranged on the side, facing the driving table connector, of the locking button, is in threaded connection with the screw rod mounting base and is pressed on the side face of the rotating connecting rod.

Description

Technical Field

[0001] This utility model relates to the field of automotive sheet metal grinding, and more particularly to an automotive sheet metal grinding device. Background Technology

[0002] An existing patent (publication number: CN117943948A) discloses an automotive sheet metal grinding device, including a handle. The top of the handle is movably connected to a connecting shell via a rotating shaft. A dust removal mechanism is provided on the surface of the connecting shell. A connecting plate is fixedly connected to the top of the inner cavity of the connecting shell. A motor is fixedly connected to the inner cavity of the connecting plate. A transmission rod is fixedly connected to the output end of the motor. The bottom of the transmission rod extends through to the bottom of the connecting shell and is fixedly connected to a grinding disc. However, the grinding disc fixedly connected to the output end of the motor and the bottom of the transmission rod extends through to the bottom of the connecting shell and is fixedly connected to a grinding disc is inconvenient to disassemble and install, affecting the efficiency of grinding disc installation and replacement. Summary of the Invention

[0003] This invention addresses the aforementioned shortcomings of existing technologies by providing an automotive sheet metal grinding device that, after multiple rounds of automotive sheet metal grinding, necessitates the replacement of the grinding disc. By pulling back the pawl limiting ring, the positioning pawl can rotate freely, allowing the old grinding disc to be removed and replaced with a new one. During installation, the grinding disc's positioning groove is fitted over the outside of the grinding disc positioning rod. As the grinding disc is installed, the pawl rod expands with the insertion of the grinding disc connecting seat, stretching the return spring until the pawl positioning groove aligns with the pawl head. The pawl head, pulled by the return spring, is then inserted into the pawl positioning groove. The pawl limiting ring is then pushed forward, causing the pawl's main limiting groove to fit over the outside of the pawl passive limiting block, thus completely fixing the positioning pawl and completing the grinding disc installation. This device makes the grinding disc installation process convenient, quick, and more efficient for automotive sheet metal grinding.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] An automotive sheet metal grinding device includes a main support platform, a locking button, a drive platform, a grinding disc, positioning claws, claw limiting rings, a sealing gasket, a return spring, a grinding drive motor, and a deep groove ball bearing. The main support platform has a grip handle inside, a protective hand guard on one side, a drive platform connector on the top of the main support platform, rotating connecting rods on both sides of the drive platform connector, a drive platform on the top of the main support platform, and a drive platform connecting seat at the bottom of the drive platform. The drive platform connecting seat is rotatably connected to the rotating connecting rods, and a screw mounting seat is located on the side of the drive platform connecting seat. A locking button is provided on the side of the rod mounting base. A locking screw is located on the side of the locking button facing the drive table connector. The locking screw is threadedly connected to the rod mounting base and is pressed against the side of the rotating connecting rod. The grinding drive motor is inserted into the drive table and fixed. A motor drive shaft is located on one side of the grinding drive motor. A bearing mounting platform is located on one side of the drive table. A deep groove ball bearing is inserted into the bearing mounting platform and fixed. The inner ring of the deep groove ball bearing is fixedly connected to the motor drive shaft. A gasket mounting platform is located on the side of the bearing mounting platform away from the drive table. A gasket mounting groove is located inside the gasket mounting platform.

[0006] The sealing gasket is inserted into the sealing gasket mounting groove and fixed. The inner hole of the sealing gasket contacts the motor drive shaft. The end of the motor drive shaft has a pawl rod positioning ring and a pawl mounting ring. The pawl rod positioning ring is located on the side of the pawl mounting ring away from the drive platform. The side of the pawl mounting ring has a pawl mounting platform. The pawl mounting platforms are evenly arranged around the pawl mounting ring. The positioning pawl is rotatably connected to the pawl mounting platform. The side of the positioning pawl near the pawl rod positioning ring has a pawl rod. The side of the pawl rod positioning ring has a pawl rod positioning groove. The number and position of the pawl rod positioning grooves correspond to the pawl mounting platforms. The pawl rod and the pawl rod positioning groove are adapted to each other. The pawl rod connects to the pawl rod positioning groove and slides inside the pawl rod positioning groove. The end of the pawl rod has a pawl head. The two sides of the pawl rod have return spring connecting platforms. The return spring connecting platforms between two adjacent positioning pawls are connected to each other through return springs.

[0007] Beneficial effects: 1. When the grinding disc needs to be replaced after multiple automotive sheet metal grinding operations, pull the claw limiting ring backward to allow the positioning claw to rotate freely. At this time, the old grinding disc can be removed and replaced with a new one. When installing the new grinding disc, place the grinding disc positioning groove on the outside of the grinding disc positioning rod. During the grinding disc installation process, the claw rod expands as the grinding disc connecting seat is inserted. At this time, the return spring is stretched until the claw positioning groove corresponds to the claw head position. The claw head is then pulled into the claw positioning groove by the return spring. After that, push the claw limiting ring forward so that the claw main limiting groove is placed on the outside of the claw passive limiting block. At this time, the positioning claw is completely fixed, and the grinding disc installation is completed. This makes the grinding disc installation process convenient, quick, and more efficient.

[0008] 2. The width of the positioning groove of the claw in this utility model is greater than the width of the claw head, so that even if there is a certain deviation between the position of the claw head and the positioning groove during the installation of the grinding disc, the claw head can still be inserted into the positioning groove. Furthermore, during the connection process between the main limiting groove and the passive limiting block of the claw, the claw head gradually presses against the positioning groove, thereby completing the alignment of the grinding disc and further increasing the convenience of the installation process.

[0009] 3. The sealing gasket mounting platform of this utility model is equipped with a sealing gasket inside. The sealing gasket can prevent dust generated during the grinding process from entering the grinding drive motor or deep groove ball bearing and causing failure, thereby increasing the sealing performance of the device and reducing the failure rate of the device.

[0010] 4. The side of the chuck limiting ring of this utility model is provided with an auxiliary blade. When the grinding disc rotates at high speed, the auxiliary blade will blow some of the dust away from the sealing gasket mounting platform, thereby further preventing dust from affecting the grinding drive motor and deep groove ball bearing, and further increasing the sealing performance of this device. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of an automotive sheet metal grinding device according to the present invention.

[0012] Figure 2 This is a diagram showing the installation state of the locking button described in this utility model.

[0013] Figure 3 This is a partial front cross-sectional view of an automotive sheet metal grinding device according to the present invention.

[0014] Figure 4 This is a partial enlarged view of an automotive sheet metal grinding device according to the present invention.

[0015] Figure 5 This is a partially enlarged view of the automotive sheet metal grinding device of this utility model in its idle state.

[0016] Figure 6 This is a schematic diagram of the grinding disc structure described in this utility model.

[0017] Figure 7 This is a schematic diagram of the drive platform structure described in this utility model.

[0018] Figure 8 This is a schematic diagram of the grinding drive motor structure described in this utility model.

[0019] Figure 9 This is a schematic diagram of the claw rod structure described in this utility model. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

[0021] Example 1:

[0022] An automotive sheet metal grinding device includes a main support platform 1, a locking button 5, a drive platform 6, a grinding disc 8, positioning claws 18, claw limiting rings 22, a sealing gasket 25, a return spring 31, a grinding drive motor 33, and a deep groove ball bearing 34. The main support platform 1 has a gripping handle 3 inside, a protective hand guard 2 on one side, a drive platform connector 4 on the top of the main support platform 1, rotating connecting rods 11 on both sides of the drive platform connector 4, a drive platform 6 on the top of the main support platform 1, a drive platform connecting seat 7 at the bottom of the drive platform 6, the drive platform connecting seat 7 being rotatably connected to the rotating connecting rods 11, a screw mounting seat 9 on the side of the drive platform connecting seat 7, a locking button 5 on the side of the screw mounting seat 9, and a locking screw 10 on the side of the locking button 5 facing the drive platform connector 4. The screw is threadedly connected to the screw mounting base 9, and the locking screw 10 is pressed against the side of the rotating connecting rod 11. The grinding drive motor 33 is inserted into the drive platform 6 and fixed. The grinding drive motor 33 has a motor drive shaft 32 on one side, and the drive platform 6 has a bearing mounting platform 23 on one side. The deep groove ball bearing 34 is inserted into the bearing mounting platform 23 and fixed. The inner ring of the deep groove ball bearing 34 is fixedly connected to the motor drive shaft 32. The bearing mounting platform 23 has a sealing gasket mounting platform 24 on the side away from the drive platform 6. The sealing gasket mounting platform 24 has a sealing gasket mounting groove 26 inside, and a sealing gasket 25 is set inside the sealing gasket mounting platform 24. The sealing gasket 25 can prevent dust generated during the grinding process from entering the grinding drive motor 33 or the deep groove ball bearing 34 and causing failure, thereby increasing the internal sealing of this device and reducing the failure rate of this device.

[0023] Example 2:

[0024] The sealing gasket 25 of this invention is inserted into and fixed inside the sealing gasket mounting groove 26. The inner hole of the sealing gasket 25 contacts the motor drive shaft 32. The end of the motor drive shaft 32 has a claw rod positioning ring 20 and a claw mounting ring 21. The claw rod positioning ring 20 is located on the side of the claw mounting ring 21 away from the drive platform 6. The side of the claw mounting ring 21 has a claw mounting platform 28, which is evenly arranged around the claw mounting ring 21. The positioning claw 18 is rotatably connected to the claw mounting platform 28. The positioning claw 18 is close to the claw rod positioning ring 20. The side has a claw rod 17, and the side of the claw rod positioning ring 20 has a claw rod positioning groove 27. The number and position of the claw rod positioning groove 27 correspond to the claw mounting platform 28. The claw rod 17 is adapted to the claw rod positioning groove 27. The claw rod 17 is connected to the claw rod positioning groove 27 and slides inside the claw rod positioning groove 27. The end of the claw rod 17 has a claw head 16. The claw rod 17 has a return spring connecting platform 30 on both sides. The return spring connecting platforms 30 between two adjacent positioning claws 18 are connected to each other through a return spring 31.

[0025] Example 3:

[0026] The positioning jaw 18 of this invention has a jaw passive limiting block 19 on the side away from the jaw rod positioning ring 20. The jaw limiting ring 22 is adapted to the motor drive shaft 32 and is connected to the motor drive shaft 32. The jaw limiting ring 22 slides on the outside of the motor drive shaft 32. The side of the jaw limiting ring 22 has auxiliary blades 35 and jaw main limiting grooves 29. The auxiliary blades 35 and jaw main limiting grooves 29 are evenly and alternately arranged around the jaw limiting ring 22. The side of the jaw limiting ring 22 is provided with auxiliary blades 35. 5. When the auxiliary blade 35 rotates at high speed along with the grinding disc 8, the auxiliary blade 35 will blow some dust away from the sealing gasket mounting platform 24, thereby further preventing dust from affecting the grinding drive motor 33 and the deep groove ball bearing 34, and further increasing the sealing performance of this device. The auxiliary blade 35 is located outside the sealing gasket mounting platform 24. The main limiting groove 29 of the claw is adapted to the passive limiting block 19 of the claw. The main limiting groove 29 of the claw is connected to the passive limiting block 19 of the claw, and the passive limiting block 19 of the claw slides inside the main limiting groove 29 of the claw.

[0027] Example 4:

[0028] The locating ring 20 of this invention has a grinding disc locating rod 14 on the side away from the grinding drive motor 33. A grinding disc 8 is located on the side of the locating rod 14 away from the grinding drive motor 33. When the grinding disc 8 needs to be replaced after multiple automotive sheet metal grinding operations, pull the locating ring 22 backward to allow the locating ... The pawl is stretched until the pawl positioning groove 15 corresponds to the pawl head 16. The pawl head 16 is then pulled into the pawl positioning groove 15 by the return spring 31. Then, the pawl limiting ring 22 is pushed forward so that the pawl main limiting groove 29 is fitted on the outside of the pawl passive limiting block 19. At this time, the positioning pawl 18 is completely fixed and the grinding disc 8 is installed. This makes the installation process of the grinding disc 8 convenient and quick, and the replacement efficiency is higher. The grinding disc 8 has a grinding disc connecting seat 12 on the side near the drive table 6. The grinding disc connecting seat 12 has a grinding disc positioning groove 13 inside. The grinding disc positioning groove 13 is adapted to the grinding disc positioning rod 14 and the grinding disc positioning groove 13 is connected to the grinding disc positioning rod 14.

[0029] Example 5:

[0030] The grinding disc positioning rod 14 of this utility model is inserted into the grinding disc positioning groove 13. The outer side of the grinding disc connecting seat 12 has a claw positioning groove 15, which is adapted to the claw head 16. The claw positioning groove 15 is connected to the claw head 16, and the claw head 16 is inserted into the claw positioning groove 15. The width of the claw positioning groove 15 is greater than the width of the claw head 16, so that even if there is a certain deviation between the position of the claw head 16 and the claw positioning groove 15 during the installation of the grinding disc 8, the claw head 16 can still be inserted into the claw positioning groove 15. Furthermore, during the connection process between the claw main limiting groove 29 and the claw passive limiting block 19, the claw head 16 gradually presses against the claw positioning groove 15, thereby completing the alignment of the grinding disc 8 and further increasing the convenience of the installation process.

[0031] Example 6:

[0032] The installation steps of this utility model are as follows: Rotately connect the drive platform connecting seat 7 of the drive platform 6 to the rotating connecting rod 11 of the main bearing platform 1; thread the locking screw 10 of the locking button 5 to the screw mounting seat 9 of the drive platform 6, so that the locking screw 10 is pressed against the side of the rotating connecting rod 11; insert the grinding drive motor 33 into the drive platform 6; insert the deep groove ball bearing 34 into the bearing mounting seat 23 of the drive platform 6 and fix it, so that the inner ring of the deep groove ball bearing 34 is fixedly connected to the motor drive shaft 32; insert the sealing gasket 25 into the sealing gasket mounting groove 26 of the drive platform 6, so that the inside of the sealing gasket 25 contacts the motor drive shaft 32; and connect the positioning claw 18 to the locking mechanism of the grinding drive motor 33. The claw mounting platform 28 is rotatably connected, allowing the claw rod 17 of the positioning claw 18 to be inserted into the claw rod positioning groove 27 of the grinding drive motor 33. The grinding drive motor 33 is connected between adjacent positioning claws 18 via a return spring 31. The claw limiting ring 22 is fitted onto the outside of the motor drive shaft 32 of the grinding drive motor 33. The claw main limiting groove 29 of the claw limiting ring 22 is fitted onto the outside of the claw passive limiting block 19 of the positioning claw 18. The grinding disc positioning groove 13 of the grinding disc 8 is fitted onto the outside of the grinding disc positioning rod 14 of the grinding drive motor 33. The claw head 16 of the positioning claw 18 is inserted into the claw positioning groove 15 of the grinding disc 8. The installation of this device is now complete.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An automotive sheet metal grinding device, characterized in that: The system includes a main support platform (1), a locking button (5), a drive platform (6), a grinding disc (8), positioning claws (18), claw limiting rings (22), and a sealing gasket (25). The main support platform (1) has a gripping handle (3) inside, a protective hand guard (2) on one side, a drive platform connector (4) on the top of the main support platform (1), rotating connecting rods (11) on both sides of the drive platform connector (4), a drive platform (6) on the top of the main support platform (1), a drive platform connecting seat (7) at the bottom of the drive platform (6), the drive platform connecting seat (7) being rotatably connected to the rotating connecting rods (11), a screw mounting seat (9) on the side of the drive platform connecting seat (7), and a locking button (5) on the side of the screw mounting seat (9) for locking. The button (5) has a locking screw (10) on the side facing the drive table connector (4). The locking screw (10) is threadedly connected to the screw mounting seat (9). The locking screw (10) is pressed against the side of the rotating connecting rod (11). The grinding drive motor (33) is inserted into the drive table (6) and fixed. The grinding drive motor (33) has a motor drive shaft (32) on one side. The drive table (6) has a bearing mounting platform (23) on one side. The deep groove ball bearing (34) is inserted into the bearing mounting platform (23) and fixed. The inner ring of the deep groove ball bearing (34) is fixedly connected to the motor drive shaft (32). The bearing mounting platform (23) has a sealing gasket mounting platform (24) on the side away from the drive table (6). The sealing gasket mounting platform (24) has a sealing gasket mounting groove (26) inside.

2. The automotive sheet metal grinding device according to claim 1, characterized in that: The sealing gasket (25) is inserted into the sealing gasket mounting groove (26) and fixed. The inner hole of the sealing gasket (25) is in contact with the motor drive shaft (32). The end of the motor drive shaft (32) has a claw rod positioning ring (20) and a claw mounting ring (21). The claw rod positioning ring (20) is located on the side of the claw mounting ring (21) away from the drive platform (6). The side of the claw mounting ring (21) has a claw mounting platform (28). The claw mounting platforms (28) are evenly arranged around the claw mounting ring (21). The positioning claw (18) is rotatably connected to the claw mounting platform (28). The side of the positioning claw (18) near the claw rod positioning ring (20) has There is a claw rod (17), and the claw rod positioning ring (20) has a claw rod positioning groove (27) on its side. The number and position of the claw rod positioning groove (27) correspond to the claw mounting platform (28). The claw rod (17) is adapted to the claw rod positioning groove (27). The claw rod (17) is connected to the claw rod positioning groove (27). The claw rod (17) slides inside the claw rod positioning groove (27). The end of the claw rod (17) has a claw head (16). The claw rod (17) has a reset spring connecting platform (30) on both sides. The reset spring connecting platforms (30) between two adjacent positioning claws (18) are connected to each other through a reset spring (31).

3. The automotive sheet metal grinding device according to claim 2, characterized in that: The positioning claw (18) has a claw passive limiting block (19) on the side away from the claw rod positioning ring (20). The claw limiting ring (22) is adapted to the motor drive shaft (32) and is connected to the motor drive shaft (32). The claw limiting ring (22) slides on the outside of the motor drive shaft (32). The claw limiting ring (22) has auxiliary blades (35) and claw main limiting grooves (29) on its side. The auxiliary blades (35) and claw main limiting grooves (29) are evenly and alternately arranged around the claw limiting ring (22). The auxiliary blades (35) are on the outside of the sealing gasket mounting platform (24). The claw main limiting grooves (29) are adapted to the claw passive limiting block (19) and are connected to the claw passive limiting block (19). The claw passive limiting block (19) slides inside the claw main limiting groove (29).

4. The automotive sheet metal grinding device according to claim 2, characterized in that: The locating ring (20) of the claw rod has a grinding disc locating rod (14) on the side away from the grinding drive motor (33). The grinding disc (8) is provided on the side of the grinding disc locating rod (14) away from the grinding drive motor (33). The grinding disc (8) has a grinding disc connecting seat (12) on the side close to the drive table (6). The grinding disc connecting seat (12) has a grinding disc locating groove (13) inside. The grinding disc locating groove (13) is adapted to the grinding disc locating rod (14). The grinding disc locating groove (13) is connected to the grinding disc locating rod (14).

5. The automotive sheet metal grinding device according to claim 2, characterized in that: The grinding disc positioning rod (14) is inserted into the grinding disc positioning groove (13). The outer side of the grinding disc connecting seat (12) has a claw positioning groove (15). The claw positioning groove (15) is adapted to the claw head (16). The claw positioning groove (15) is connected to the claw head (16). The claw head (16) is inserted into the claw positioning groove (15).

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