Metal plate polishing device

By designing symmetrical clamping arm assemblies and lifting threaded rods, the problem of the clamping position being unable to be polished in existing devices has been solved, achieving all-round polishing and consistent precision of metal plates.

CN223971375UActive Publication Date: 2026-03-06SUZHOU LEQIE METAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

In existing metal plate polishing equipment, the position of the clamping plate cannot be polished during the grinding process, which affects the polishing effect and accuracy.

Method used

Two symmetrical clamping arm assemblies are used to clamp the metal plate from all directions, and the side top fixed plate is automatically lifted by the lifting threaded rod and servo motor to ensure the stability and accuracy of the grinding process.

Benefits of technology

It achieves all-round polishing of metal plates, ensuring the stability and precision of polishing, avoiding post-processing, and improving the consistency of polishing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a metal plate polishing device which comprises a polishing assembly and two symmetrically-arranged clamping arm sets, a main body of the polishing assembly is arranged to be a positioning installation frame, two clamping connecting blocks are arranged in the positioning installation frame, a transverse moving connecting block is arranged at the top end of the positioning installation frame, and the transverse moving connecting block is connected with the clamping arm sets. A second transmission threaded rod is rotationally mounted at the top of the front face of the transverse moving connecting block, and a longitudinal moving connecting block is mounted on the outer wall of the second transmission threaded rod in a threaded mode. The end of a metal plate is clamped in all directions through the two symmetrical clamping arm sets, the stability of the metal plate in the grinding and polishing process is guaranteed, meanwhile, the top fixing clamping plate on the side can be automatically lifted when the side is polished, the grinding and polishing work of the grinding wheel is not affected, the overall polishing work of the metal plate is rapidly conducted, and the polishing efficiency of the metal plate is improved. Post-stage machining is not needed, the polishing precision and consistency are guaranteed, and the polishing effect of the metal plate is not affected.
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Description

Technical Field

[0001] This utility model relates to the field of polishing equipment technology, and in particular to a metal plate polishing device. Background Technology

[0002] In the existing technology, metal sheets are widely used in building construction and machinery manufacturing. They can be used as basic building materials such as building walls and floors, as well as as building materials for important devices in machinery manufacturing. Usually, metal sheets need to be polished before use to remove protrusions and burrs from the surface.

[0003] A search revealed Chinese patent application number 202320333634.3, which discloses a metal plate polishing device. The device includes a base, a first clamping seat fixedly connected to the side of the base, a first threaded screw rotatably connected to the base, a handle fixedly connected to one end of the first threaded screw, a second clamping seat threadedly connected to the periphery of the first threaded screw, the side of the second clamping seat slidingly engaging with the base, clamping mechanisms installed within both the first and second clamping seats, a second threaded screw rotatably connected to the top of the base, a first motor fixedly connected to the side of the base, one end of the output shaft of the first motor fixedly connected to the second threaded screw, two guide rods fixedly connected to the top of the base, a movable frame threadedly connected to the periphery of the second threaded screw, the guide rods slidingly engaging with the movable frame, a third threaded screw rotatably connected to the inner wall of the movable frame, and two mounting brackets threadedly connected to the periphery of the third threaded screw.

[0004] The above-mentioned patent has the following shortcomings: the device uses two clamping plates to clamp the ends of the metal plate from the top and bottom. During the grinding process of the metal plate surface, the clamping position cannot be ground and polished. It is necessary to release the clamping plate before the clamping position can be ground. Due to the change in the order and precision of grinding, the polishing effect of the metal plate will be affected. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a metal plate polishing device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A metal plate polishing device includes: a grinding assembly and two symmetrically arranged clamping arm assemblies. The main body of the grinding assembly is a positioning and mounting frame. Two clamping connecting blocks are disposed inside the positioning and mounting frame, and a transverse connecting block is disposed at the top of the positioning and mounting frame. A second transmission threaded rod is rotatably mounted on the top front of the transverse connecting block. A longitudinal connecting block is threaded onto the outer wall of the second transmission threaded rod. An electric telescopic rod is fixedly mounted at the bottom of the longitudinal connecting block. A grinding motor is fixedly mounted at the bottom of the telescopic end of the electric telescopic rod, and a grinding wheel is fixedly mounted at the bottom of the output shaft of the grinding motor. The main body of the clamping arm assemblies is a clamping connecting arm. A positioning groove is formed on the top side of one side of the clamping connecting arm. A limit groove is formed on the bottom wall of the positioning groove. An installation slide groove is formed on the bottom wall of the limit groove. A second bidirectional threaded rod is rotatably mounted inside the installation slide groove. Two clamping and positioning sliders are symmetrically mounted on the outer wall of the second bidirectional threaded rod. A mating mounting block is fixedly mounted at the top of the clamping and positioning slider, and a clamping block is fixedly connected to the top of the mating mounting block.

[0008] As a further embodiment of this utility model: a lifting threaded rod is rotatably mounted on the top of the clamping connecting arm, and a positioning connecting arm is threadedly mounted on the top of the outer wall of the lifting threaded rod.

[0009] As a further improvement of this utility model: a motor bracket is fixedly installed at the top of the positioning connecting arm, and a servo motor is fixedly installed inside the motor bracket.

[0010] As a further improvement of this utility model: guide slide rods are fixedly connected to the bottom of both ends of the positioning connecting arm, and lifting connecting arms are slidably installed on the outer wall of the guide slide rods.

[0011] As a further improvement of this utility model: the middle part of the lifting connecting arm is threadedly connected to the lifting threaded rod, and a top fixing plate is fixedly connected to one side of the lifting connecting arm.

[0012] As a further embodiment of this utility model: one end of the bidirectional threaded rod II penetrates the front groove of the mounting slide and extends outward, and a gear I is fixedly installed at the end of its extension.

[0013] As a further improvement of this utility model: a motor mounting bracket three is fixedly installed at the bottom of the front side of the clamping connecting arm, and a drive motor three is fixedly installed inside the motor mounting bracket three.

[0014] As a further embodiment of this utility model: a second gear is fixedly installed at the end of the output shaft of the third drive motor, and the second gear meshes with the first gear.

[0015] Compared with the prior art, the present invention provides a metal plate polishing device, which has the following beneficial effects:

[0016] This metal plate polishing device uses two symmetrical clamping arm assemblies to clamp the ends of the metal plate from all directions, ensuring the stability of the metal plate during the grinding and polishing process. At the same time, the top fixing plate on the side can be automatically lifted when the side is polished, without affecting the grinding wheel's grinding and polishing work. This allows the overall polishing of the metal plate to be carried out quickly without the need for post-processing, and ensures polishing accuracy and consistency, without affecting the polishing effect of the metal plate.

[0017] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the overall assembly of this utility model;

[0019] Figure 2 This is a partial cross-sectional view of the overall assembly of this utility model.

[0020] Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0021] In the diagram: 1. Support base; 2. Positioning and mounting frame; 3. Clamping connecting block; 4. Limiting slide rod one; 5. Bidirectional threaded rod one; 6. Drive motor one; 7. Motor mounting bracket one; 8. Lateral connecting block; 9. Transmission threaded rod one; 10. Matching slide rod; 11. Limiting wall plate; 12. Drive motor two; 13. Motor mounting bracket two; 14. Limiting connecting arm; 15. Transmission threaded rod two; 16. Longitudinal connecting block; 17. Clamping connecting arm; 18. Positioning groove; 19. Limiting groove; 20. Installation slide; 21. Two-way threaded rod II; 22. Clamping and positioning slider; 23. Matching mounting block; 24. Clamping block; 25. Gear I; 26. Motor mounting bracket III; 27. Drive motor III; 28. Gear II; 29. ​​Electric telescopic rod; 30. Grinding motor; 31. Grinding wheel; 32. Lifting threaded rod; 33. Positioning connecting arm; 34. Motor bracket; 35. Servo motor; 36. Guide slide rod; 37. Lifting connecting arm; 38. Top fixing plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] A metal plate polishing device, such as Figures 1 to 3As shown, it includes: a grinding assembly and two symmetrically arranged clamping arm assemblies. The clamping arm assemblies and the grinding assembly fix the metal plate from both ends. The grinding assembly grinds and polishes the upper surface of the metal plate.

[0024] The main body of the grinding component is set as a positioning and mounting frame 2. The bottom of the positioning and mounting frame 2 is fixedly mounted with a bearing base 1. Two clamping connecting blocks 3 are symmetrically arranged inside the positioning and mounting frame 2. The clamping connecting blocks 3 are set as L-shaped.

[0025] The top and bottom of the inner cavity of the positioning and mounting frame 2 are fixedly installed with limiting slide rods 4, and the middle is rotatably installed with a bidirectional threaded rod 5; the top limiting slide rod 4 is set to one, and the bottom limiting slide rod 4 is set to two, both of which pass through the clamping connecting block 3 and are slidably connected to the clamping connecting block 3; the bidirectional threaded rod 5 passes through the clamping connecting block 3 and is threadedly connected to the clamping connecting block 3.

[0026] One end of the bidirectional threaded rod 5 passes through the positioning and mounting frame 2 and extends outward. A motor mounting bracket 7 is fixedly installed in the middle of one side of the positioning and mounting frame 2. A drive motor 6 is fixedly installed inside the motor mounting bracket 7. The output shaft of the drive motor 6 is connected to the extended end of the bidirectional threaded rod 5 through a coupling. When the bidirectional threaded rod 5 rotates clockwise, the two clamping connecting blocks 3 move closer to each other.

[0027] The top of the positioning and mounting frame 2 is provided with a transverse connecting block 8, the middle of the transverse connecting block 8 is rotatably mounted with a transmission threaded rod 9, and the bottom is slidably mounted with a matching slide rod 10. Both ends of the transmission threaded rod 9 and the matching slide rod 10 are provided with limit plates 11, and the limit plates 11 are fixedly installed at the top of the positioning and mounting frame 2.

[0028] One of the limiting wall plates 11 is fixedly installed with a motor mounting bracket 2 13. A drive motor 2 12 is fixedly installed inside the motor mounting bracket 2 13. The output shaft of the drive motor 2 12 is connected to the transmission threaded rod 1 9 through a coupling, which drives the transmission threaded rod 1 9 to rotate.

[0029] A limiting connecting arm 14 is fixedly connected to the top front of the transverse connecting block 8. A transmission threaded rod 15 is rotatably installed at the bottom end of the limiting connecting arm 14. A longitudinal connecting block 16 is threaded on the outer wall of the transmission threaded rod 15. The top end of the longitudinal connecting block 16 is in contact with the bottom surface of the limiting connecting arm 14, and the tail end of the transmission threaded rod 15 passes through the transverse connecting block 8 and extends outward.

[0030] A motor mounting bracket four is fixedly installed on the top back of the transverse connecting block 8. A drive motor four is fixedly installed inside the motor mounting bracket four. The output shaft of the drive motor four is fixedly connected to the extension end of the transmission threaded rod two 15 through a coupling.

[0031] An electric telescopic rod 29 is fixedly installed at the bottom of the longitudinal connecting block 16. A grinding motor 30 is fixedly installed at the bottom of the telescopic end of the electric telescopic rod 29. A grinding wheel 31 is fixedly installed at the bottom of the output shaft of the grinding motor 30. The grinding wheel 31 grinds the surface of the metal plate.

[0032] The main body of the clamping arm assembly is a clamping connecting arm 17, which is fixedly connected to the clamping connecting block 3; and a positioning groove 18 is provided on the top of the side of the two clamping connecting arms 17 that are close to each other. A limiting groove 19 is provided on the bottom wall of the positioning groove 18, and an installation sliding groove 20 is provided on the bottom wall of the limiting groove 19.

[0033] The inner side of the mounting groove 20 is rotatably mounted with a two-way threaded rod 21. Two clamping and positioning sliders 22 are symmetrically mounted on the outer wall of the two-way threaded rod 21. A mating mounting block 23 is fixedly mounted on the top of the clamping and positioning slider 22. A clamping block 24 is fixedly connected to the top of the mating mounting block 23. The mating mounting block 23 is slidably engaged inside the limiting groove 19. The clamping block 24 is set in the positioning groove 18.

[0034] The ends of the metal plate are located inside the positioning groove 18. The clamping block 24 clamps the front and back sides of both ends of the metal plate. The two clamping connecting arms 17 clamp the ends of the metal plate. The tops of the clamping block 24 and the clamping connecting arms 17 are both lower than the upper surface of the metal plate.

[0035] One end of the double-threaded rod 21 passes through the front groove of the mounting slide 20 and extends outward, and a gear 25 is fixedly installed at the end of its extension.

[0036] A motor mounting bracket 26 is fixedly installed on the bottom of the front of the clamping connecting arm 17. A drive motor 27 is fixedly installed inside the motor mounting bracket 26. A gear 28 is fixedly installed at the end of the output shaft of the drive motor 27. The gear 28 meshes with the gear 1 25.

[0037] Multiple top clamping units are equidistantly arranged at the top of the clamping connecting arm 17. The main body of the top clamping unit is a lifting threaded rod 32. The bottom end of the lifting threaded rod 32 is rotatably installed on the top of the clamping connecting arm 17, and a positioning connecting arm 33 is threadedly installed on the top of the outer wall of the lifting threaded rod 32.

[0038] A motor bracket 34 is fixedly installed at the top of the positioning connecting arm 33. A servo motor 35 is fixedly installed inside the motor bracket 34. The output shaft of the servo motor 35 is connected to the lifting threaded rod 32 through a coupling.

[0039] Guide slide rods 36 are fixedly connected to the bottom of both ends of the positioning connecting arm 33. The bottom end of the guide slide rod 36 is fixedly installed on the top of the clamping connecting arm 17, and a lifting connecting arm 37 is slidably installed on the outer wall of the guide slide rod 36.

[0040] The middle part of the lifting connecting arm 37 is threadedly connected to the lifting threaded rod 32, and a top fixing plate 38 is fixedly connected to the side of the lifting connecting arm 37 near the clamping positioning slider 22. The top fixing plate 38 presses against the upper surface of the metal plate side.

[0041] Working principle:

[0042] Please refer to Figures 1 to 3 Assemble the device as shown in the figure;

[0043] In use, the device first drives the bidirectional threaded rod 5 to rotate via the drive motor 6, causing the two clamping connecting blocks 3 to move closer together and clamp the two ends of the metal plate. Then, the drive motor 27 drives the bidirectional threaded rod 21 to rotate, causing the two clamping positioning sliders 22 to move closer together and clamp the two clamping blocks 24 to clamp the front and back sides of the metal plate. Finally, the servo motor 35 is activated, and the servo motor 35 drives the lifting connecting arm 37 to descend via the lifting threaded rod 32. The lifting connecting arm 37 causes the top fixing plate 38 to press against the side of the metal plate. When the grinding wheel 31 grinds the clamping side of the metal plate, the servo motor 35 corresponding to the side of the metal plate is controlled to raise the top fixing plate 38, while the top fixing plate 38 corresponding to the other side of the metal plate remains pressed.

[0044] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A metal plate polishing apparatus characterized by comprising: 1) a polishing device for polishing a metal plate; and Include: Polishing assembly and two symmetrically arranged clamping arm groups, the main body of the polishing assembly is arranged as a positioning mounting frame (2), the inside of the positioning mounting frame (2) is provided with two clamping connecting blocks (3), and the top end of the positioning mounting frame (2) is provided with a transverse connecting block (8), the front top of the transverse connecting block (8) is rotatably installed with a transmission screw rod two (15), the outer wall of the transmission screw rod two (15) is threadedly installed with a longitudinal connecting block (16), the bottom end of the longitudinal connecting block (16) is fixedly installed with an electric telescopic rod (29), the telescopic end of the electric telescopic rod (29) is fixedly installed with a polishing motor (30), and the output shaft bottom of the polishing motor (30) is fixedly installed with a polishing wheel (31); The main body of the clamping arm group is arranged as a clamping connecting arm (17), a positioning groove (18) is formed in the top of one side of the clamping connecting arm (17), a limiting groove (19) is formed in the bottom groove wall of the positioning groove (18), an installation sliding groove (20) is formed in the bottom groove wall of the limiting groove (19), a two-way screw rod two (21) is rotatably installed in the inside of the installation sliding groove (20), two clamping positioning sliding blocks (22) are symmetrically installed on the outer wall of the two-way screw rod two (21), a matching installation block (23) is fixedly installed at the top of the clamping positioning sliding block (22), and a clamping block (24) is fixedly connected to the top of the matching installation block (23).

2. The metal plate polishing apparatus of claim 1, wherein: The top of the clamping connecting arm (17) is rotatably installed with a lifting screw rod (32), and the outer wall top of the lifting screw rod (32) is threadedly installed with a positioning connecting arm (33).

3. A metal plate polishing apparatus according to claim 2, wherein: The top of the positioning connecting arm (33) is fixedly installed with a motor card holder (34), and the inside of the motor card holder (34) is fixedly installed with a servo motor (35).

4. The metal plate polishing apparatus of claim 2, wherein: The bottom of the two ends of the positioning connecting arm (33) is fixedly connected with a guide sliding rod (36), and the outer wall of the guide sliding rod (36) is slidably installed with a lifting connecting arm (37).

5. A metal plate polishing apparatus according to claim 4, wherein: The middle part of the lifting connecting arm (37) is threadedly connected with the lifting screw rod (32), and one side of the lifting connecting arm (37) is fixedly connected with a top fixed clamping plate (38).

6. The metal plate polishing apparatus of claim 1, wherein: One end of the two-way screw rod two (21) penetrates through the front groove body of the installation sliding groove (20) and extends outward, and a gear one (25) is fixedly installed at the end of the extended end.

7. The metal plate polishing apparatus of claim 1, wherein: The bottom of the front of the clamping connecting arm (17) is fixedly installed with a motor mounting bracket three (26), and the inside of the motor mounting bracket three (26) is fixedly installed with a driving motor three (27).

8. A metal plate polishing apparatus according to claim 7, wherein: The output shaft end of the driving motor three (27) is fixedly installed with a gear two (28), and the gear two (28) is engaged with the gear one (25).

Citation Information

Patent Citations

  • Metal plate polishing device

    CN219582519U