Grating backrest surface polishing device

By designing a grating back surface grating device including storage plates, restriction grooves, adjustable placement blocks, stressed rods and polishing sheets, the problem that existing equipment cannot be adjusted according to the grating width is solved, and efficient grating of grating surfaces of different widths is achieved.

CN223012769UActive Publication Date: 2025-06-24ANJI WANHANG FURNITURE
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Patent Information

Application Number
CN202421712079.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-06-24
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

Existing partial grinding equipment cannot be adjusted according to the width dimensions of the grille, resulting in difficulty in grinding surfaces of grilles of different widths.

Method used

A grating backrest surface grinding device is designed, including a storage plate, a restriction groove, an adjustable placement block, a stress rod and a grinding sheet. By moving and fixing the placement blocks, adjusting the position of the stressed rod and polishing sheets, precise polishing of the surfaces of gratings of different widths is achieved.

Benefits of technology

The device can adjust the grinding assembly according to the specific size of the grille, ensure that the grinding sheet abuts different surfaces of the grille, and achieves efficient surface grinding, solving the shortcomings of existing equipment that cannot adapt to grilles of different widths.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a grating backrest surface polishing device which is used for solving the technical problems that part of existing polishing equipment cannot be adjusted according to the width size of gratings, and the surfaces of the gratings with different widths are difficult to polish. The utility model discloses a grating backrest surface polishing device which comprises an object placing plate, and an object placing cavity is formed in the object placing plate in an up-down penetrating mode. Two first limiting grooves; the second limiting groove is formed in the inner wall of one side of the storage cavity; the first placing blocks are arranged in the object placing cavity in an adjusting and sliding manner; one end of the first stress rod is fixedly arranged on the first placing block; the second stress rod is rotationally arranged at one end, extending out of the placing plate, of the first stress rod; and by adjusting the positions and the number of the first containing blocks, the grinding pieces can be attached to the grating to grind the grating.
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Description

Technical Field

[0001] The utility model relates to the technical field of seat processing, in particular to a surface grinding device for a grille backrest. Background Technique

[0002] A chair is a kind of daily furniture, a seating tool with a backrest and armrests. Modern chairs pursue beauty and fashion. Some chairs are no longer just seating tools but are given more technology to make human life more convenient. The backrest is a part of the chair.

[0003] The invention patent with the authorization announcement number "CN 113561011 B" and the invention name of "A post-assembly surface finishing device for the grille backrest of a solid wood chair" specifically discloses a finishing device, including a processing table, a blanking through groove, a fixing mechanism, a moving mechanism and a grinding mechanism.

[0004] Although the above invention can be adjusted according to the length of the solid wood chair, it cannot be adjusted according to the width dimension of the grille. Therefore, when the width dimension of the grille changes, it is difficult to grind the surface of the grille. Utility Model Content

[0005] Aiming at the deficiencies in the prior art, the utility model provides a surface grinding device for a grille backrest, which is used to solve the technical problem that some existing grinding equipment cannot be adjusted according to the width dimension of the grille, and it is difficult to grind the surfaces of grilles with different widths.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions:

[0007] A surface grinding device for a grille backrest, including:

[0008] A storage plate, in which a storage cavity is vertically penetrated;

[0009] Two first limiting grooves, which are opened on the opposite inner walls on both sides of the storage cavity;

[0010] A second limiting groove, which is opened on one of the inner walls of the storage cavity;

[0011] Several groups of grinding components:

[0012] A first placement block, which is adjustably slidably arranged in the storage cavity;

[0013] A first force-bearing rod, one end of which is fixedly arranged on the first placement block, and the other end of the first force-bearing rod extends out of the placement plate through the second limiting groove;

[0014] A second force-bearing rod, which is rotatably arranged at the end of the first force-bearing rod extending out of the placement plate;

[0015] The grinding sheet is rotatably arranged on the second stress rod.

[0016] Working principle:

[0017] Fix the grille backrest to be ground, determine the grinding assembly according to the number of grilles to be ground, move the first placement block. After the movement is completed, fix the first placement block, rotate the second stress rod, and the second stress rod drives the grinding sheet to rotate. After the rotation is completed, fix the second stress rod. After completion, rotate the grinding sheet, and the grinding sheet grinds the surface of the grille.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] Fix the grille backrest to be ground, determine the grinding assembly according to the number of grilles to be ground, move the first placement block. After the movement is completed, fix the first placement block, rotate the second stress rod, and the second stress rod drives the grinding sheet to rotate. After the rotation is completed, fix the second stress rod. After completion, rotate the grinding sheet, and the grinding sheet grinds the surface of the grille. According to the specific situation between adjacent grilles, adjust the distance between the first placement blocks so that the grinding sheet abuts against the grille, rotate the second stress rod so that the grinding sheet abuts against different surfaces of the grille, and grind the grille. Brief description of the drawings

[0020] Figure 1 It is a schematic cross-sectional structure diagram of an embodiment of the utility model;

[0021] Figure 2 It is a schematic structure diagram of a placement board of an embodiment of the utility model;

[0022] Figure 3 It is a schematic partial structure diagram of a grille backrest of an embodiment of the utility model.

[0023] In the above drawings: 10, the first stress rod; 11, the third screw; 13, the second stress rod; 14, the third stress rod; 15, the second placement block; 16, the drive motor; 18, the grinding sheet; 19, the second screw; 20, the first mounting block; 21, the placement board; 22, the first limiting groove; 23, the second limiting groove; 24, the first placement block; 25, the first screw; 26, the placement groove; 27, the limiting block; 28, the air cylinder; 29, the fourth stress rod; 30, the third mounting block; 31, the fourth screw; 32, the transport board; 34, the second mounting block; 35, the placement cavity. Specific embodiments

[0024] The technical solutions in the utility model will be further described below with reference to the drawings and embodiments.

[0025] Embodiment:

[0026] As Figure 1 and Figure 2 shown, a grinding device for the surface of a grille backrest includes:

[0027] A storage plate 21, in which a storage cavity 35 is vertically penetrated;

[0028] Two first limiting grooves 22 are opened on the opposite inner walls on both sides of the storage cavity 35;

[0029] A second limiting groove 23 is opened on one inner wall of the storage cavity 35;

[0030] Several groups of grinding components:

[0031] A first placement block 24 is adjustably slidably arranged in the storage cavity 35;

[0032] A first force-bearing rod 10, one end of which is fixedly arranged on the first placement block 24, and the other end of the first force-bearing rod 10 extends out of the placement plate through the second limiting groove 23;

[0033] A second force-bearing rod 13 is rotatably arranged at one end of the first force-bearing rod 10 extending out of the placement plate;

[0034] A grinding disc 18 is rotatably arranged on the second force-bearing rod 13;

[0035] Fix the grille backrest to be ground, determine the grinding components according to the number of grilles to be ground, move the first placement block 24, after the movement is completed, fix the first placement block 24, rotate the second force-bearing rod 13, the second force-bearing rod 13 drives the grinding disc 18 to rotate, after the rotation is completed, fix the second force-bearing rod 13, after completion, rotate the grinding disc 18, the grinding disc 18 grinds the surface of the grille, according to the specific situation between adjacent grilles, adjust the distance between the first placement blocks 24 so that the grinding disc 18 abuts against the grille, rotate the second force-bearing rod 13 so that the grinding disc 18 abuts against different surfaces of the grille to grind the grille.

[0036] As Figure 1 shown, one end of a first screw rod 25 with a nut passes through the first placement block 24 and the two first limiting grooves 22, the other end of the first screw rod 25 is threadedly connected with a limiting block 27, the limiting block 27 abuts against one end of the storage plate 21, when the first placement block 24 moves to a certain position, screw in the first screw rod 25 so that the first screw rod 25 is threadedly connected with the limiting block 27, and the first screw rod 25 and the limiting block 27 cooperate to fix the first placement block 24.

[0037] As Figure 1As shown, a placement groove 26 is formed on the first placement block 24. A first mounting block 20 is disposed in the placement groove 26. A second screw rod 19 with a nut passes through the first mounting block 20 and is threadedly connected to the first placement block 24. With this structure, the first mounting block 20 is fixed to the first placement block 24, facilitating the placement of the first placement block 24 into the first limiting groove 22.

[0038] As Figure 1 shown, the third screw rod 11 with a nut passes through the second force-bearing rod 13 and is threadedly connected to the first force-bearing rod 10. By rotating the second force-bearing rod 13, the grinding disc 18 can be brought into contact with the surface of the grille to be ground. After adjusting the second force-bearing rod 13, the third screw rod 11 is screwed in, and the third screw rod 11 fixes the second force-bearing rod 13 and the first force-bearing rod 10.

[0039] As Figure 1 shown, a third force-bearing rod 14 is fixedly provided on the second force-bearing rod 13. A second placement block 15 is fixedly provided at one end of the third force-bearing rod 14 facing away from the second force-bearing rod 13. A driving motor 16 is fixedly provided on the second placement block 15. The grinding disc 18 is power-connected to the output end of the driving motor 16. The driving motor 16 drives the grinding disc 18 to rotate, and the rotation of the grinding disc 18 grinds the surface of the grille to be ground.

[0040] As Figure 1 shown, a second mounting block 34 is fixedly provided at one end of the placement plate 21. A cylinder 28 is fixedly provided at one end of the second mounting block 34 facing away from the placement plate 21. A third mounting block 30 is fixedly provided at the fixed end of the cylinder 28. The third mounting block 30 is slidably disposed on a vertical fourth force-bearing rod 29. The fourth force-bearing rod 29 is fixedly provided on the transport plate 32. A fourth screw rod 31 with a nut passes through the third mounting block 30 and abuts against the fourth force-bearing rod 29. The position of the third mounting block 30 on the fourth force-bearing rod 29 is adjusted. After adjustment, the fourth screw rod 31 is screwed in, and the fourth screw rod 31 fixes the third mounting block 30 and the fourth force-bearing rod 29.

[0041] Working principle:

[0042] When the grille backrest needs to be ground, first fix the grille backrest. After fixing, move the third mounting block 30. The third mounting block 30 drives the second mounting block 34 to move through the cylinder 28, and the second mounting block 34 drives the placement plate 21 to move. After the movement is completed, the fourth screw rod 31 is screwed in. One end of the fourth screw rod 31 abuts against the fourth force-bearing rod 29, and the third mounting block 30 is fixed to the fourth screw rod 31;

[0043] According to the number of grilles to be polished, place an equal number of first placement blocks 24 in the placement cavity 35, move the first placement blocks 24 to appropriate positions, screw in the first screw rod 25, and the first screw rod 25 cooperates with the limiting block 27 to fix the first placement blocks 24. Place the first mounting block 20 in the placement groove 26 and screw in the second screw rod 19 to fix the first mounting block 20.

[0044] According to the positions of the grilles to be polished, rotate and adjust the positions of the second stress rod 13 and the first stress rod 10. After the adjustment is completed, screw in the third screw rod 11.

[0045] Start the drive motor 16. The drive motor 16 drives the grinding disc 18 to rotate, and the grinding disc 18 polishes the grilles. Start the cylinder 28. The cylinder 28 drives the placement plate 21 to move through the second mounting block 34, and the placement plate 21 drives the grinding disc 18 to move.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A grille backrest surface grinding device, characterized in that: include: A storage plate (21), wherein a storage cavity (35) is provided in the storage plate (21) from top to bottom; Two first limiting grooves (22), the two first limiting grooves (22) being arranged on inner walls opposite to each other on two sides of the storage cavity (35); A second limiting groove (23), the second limiting groove (23) being formed on an inner wall of one side of the storage cavity (35); Several sets of polishing components: A first placement block (24), the first placement block (24) being adjustable and slidably disposed in the storage cavity (35); A first force-bearing rod (10), one end of which is fixed on the first placement block (24), and the other end of which extends out of the placement plate through a second limiting groove (23); A second force-bearing rod (13), the second force-bearing rod (13) being rotatably arranged at an end of the first force-bearing rod (10) extending out of the placement plate; A grinding sheet (18), wherein the grinding sheet (18) is rotatably arranged on the second force-bearing rod (13).

2. A grille backrest surface grinding device according to claim 1, characterized in that: One end of a first screw rod (25) with a nut passes through the first placement block (24) and the two first limiting grooves (22), and the other end of the first screw rod (25) is threadedly connected to a limiting block (27), and the limiting block (27) abuts against one end of the storage plate (21).

3. A grille backrest surface grinding device according to claim 2, characterized in that: The first placement block (24) is provided with a placement groove (26), a first installation block (20) is arranged in the placement groove (26), and a second screw rod (19) with a nut passes through the first installation block (20) and is threadedly connected to the first placement block (24).

4. A grille backrest surface grinding device according to claim 3, characterized in that: The third screw rod (11) with a nut passes through the second force-bearing rod (13) and is threadedly connected to the first force-bearing rod (10).

5. A grille backrest surface grinding device according to claim 4, characterized in that: A third force-bearing rod (14) is fixedly arranged on the second force-bearing rod (13); a second placement block (15) is fixedly arranged on one end of the third force-bearing rod (14) facing away from the second force-bearing rod (13); a transmission motor (16) is fixedly arranged on the second placement block (15); and the grinding plate (18) is power-connected to the output end of the transmission motor (16).

6. The grille backrest surface grinding device according to claim 1, characterized in that: A second mounting block (34) is fixedly disposed at one end of the storage plate (21), and a cylinder (28) is fixedly disposed at one end of the second mounting block (34) facing away from the storage plate (21).

7. A grille backrest surface grinding device according to claim 6, characterized in that: A third mounting block (30) is fixedly arranged at the fixed end of the cylinder (28), and the third mounting block (30) is slidably arranged on a vertical fourth force-bearing rod (29), and the fourth force-bearing rod (29) is fixedly arranged on a transport plate (32).

8. The grille backrest surface grinding device according to claim 7, characterized in that: A fourth screw rod (31) with a nut passes through the third mounting block (30) and abuts against the fourth force-bearing rod (29).

Citation Information

Patent Citations

  • A surface finishing device for assembling a solid wood chair grille backrest

    CN113561011B