Grinding and polishing mechanism for office equipment

Abstract

The grinding and polishing mechanism for the office equipment comprises a grinding and polishing moving trolley, a movable seat is installed at the top end of the grinding and polishing moving trolley, and a first handle is installed at one end of the movable seat. The first handle is rotated, under the action of threaded connection, the second threaded sleeve further drives the mounting base to move upwards, the limiting supporting plate abuts against the bottom of the office table, and the grinding and polishing head is driven to release the edge of the office table; the fixing block can be rotated into the fixing groove under the action of threaded connection by rotating the hand wheel, so that the locking effect is achieved, the phenomenon that the rotation of the first handle affects the operation of the mounting base is prevented, and meanwhile, the situation that the fixing block is loosened can be prevented by mounting the anti-skid teeth.

Description

Technical Field

[0001] The utility model relates to the technical field of office equipment, in particular to a grinding and polishing mechanism for office equipment. Background Art

[0002] The office desk is a table equipped for the convenience of work in daily life, work and social activities. It is widely used in various places. The office desk needs to be processed before leaving the factory, and grinding its edges and corners is one of the processing.

[0003] Chinese patent authorization announcement number CN218225880U discloses an edge grinding device for processing office desks, including a base plate and a semicircular arc frame, the semicircular arc frame is located on the top of the base plate, one end of the top of the base plate is fixedly connected to a fixed cylinder, a movable rod is movably inserted inside the fixed cylinder, the top of the movable rod is fixedly connected to a connecting frame, and the two sides of the semicircular arc frame are respectively fixedly connected to one end of two inner walls of the connecting frame. This solution drives the gear block to rotate through a slow motor power shaft, and the gear block is meshed and connected with the semicircular arc rack, and the semicircular arc rack will apply a reverse thrust to the gear block, so that the gear block drives the movable block to slide along the arc on the semicircular arc guide rod during the rotation process, and the semicircular arc guide rod drives the connecting rod and the grinding assembly to move at the same time, and the power shaft of the motor in the grinding assembly drives the grinding head to rotate at high speed. The above-mentioned existing technical solution has the following shortcomings: this technical solution can fix the movable rod after height adjustment by movably inserting one end of the bolt into one of the sockets, but the height adjustment range of the grinder is relatively fixed, and the method of fixing with bolts one by one is relatively troublesome. After adjusting the height, it also has certain limitations in limiting and fixing. We have made further improvements on this. Utility Model Content

[0004] The utility model aims to provide a grinding and polishing mechanism for office equipment to solve the problem that the grinding equipment proposed in the above background technology is not convenient for height adjustment.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a grinding and polishing mechanism for office equipment, comprising a grinding and polishing mobile cart, a movable seat is installed at the top of the grinding and polishing mobile cart, and a first handle is installed at one end of the movable seat, an armrest is installed at the top of the grinding and polishing mobile cart on one side of the movable seat, a first threaded rod is installed inside the grinding and polishing mobile cart, and a first threaded sleeve is installed on the outside of the first threaded rod, the first threaded sleeve is connected to the movable seat, a first motor is installed on one side of the grinding and polishing mobile cart, fixed casters are evenly installed on the bottom end of the grinding and polishing mobile cart, a second threaded rod is installed inside the movable seat, and a second threaded sleeve is installed on the outside of the second threaded rod, a mounting seat is installed on the inner side of the second threaded sleeve, a second bevel gear is installed on the outside of the second threaded rod, a connecting shaft is installed at one end inside the movable seat, and a first bevel gear is installed on the outside of the connecting shaft, and the first bevel gear is meshed with the second bevel gear.

[0006] When using a grinding and polishing mechanism for office equipment of the present technical solution, the first handle is rotated to drive the mounting seat to move upward, the limit support plate is pressed against the bottom of the desk, and the grinding and polishing head is driven to release the edge of the desk. At the same time, a locking mechanism is set to prevent the first handle from rotating.

[0007] Preferably, a mounting plate is installed on the outer side of the first handle, and a locking mechanism is evenly arranged inside the mounting plate, the locking mechanism includes a through groove, and the through groove is evenly arranged inside the mounting plate, a third threaded rod is installed inside the through groove, and a handwheel is installed on the outer side of the third threaded rod, a fixing plate is installed on the inner side of the third threaded rod, and a fixing block is installed on the inner side of the fixing plate, the outer side of the movable seat is evenly arranged with fixing grooves, and the fixing grooves are connected to the fixing blocks, and anti-slip teeth are evenly installed on the inner side of the fixing plate.

[0008] Preferably, the cross-sections of the anti-slip teeth are all arranged in a triangular shape, and the anti-slip teeth are arranged at equal intervals on the inner side of the fixing plate.

[0009] Preferably, the size of the fixing blocks is equal to the size of the fixing grooves, and the cross-sections of the fixing blocks are all arranged to be trapezoidal.

[0010] Preferably, a built-in groove is provided inside the mounting seat, and a collection box is installed inside the built-in groove, a connecting frame is installed at the top of the mounting seat, and a rotating shaft is installed on the inner side of the connecting frame, a grinding and polishing head is installed on the inner side of the rotating shaft, a second motor is installed inside the connecting frame, a limiting support plate is installed on the top of the mounting seat, and an office desk is installed on the top of the limiting support plate, and a second handle is installed at one end of the collection box.

[0011] Preferably, grooves are evenly arranged at the top of the inner part of the limiting support plate, and balls are installed inside the grooves.

[0012] Preferably, slide blocks are installed on both sides of the collection box, and slide grooves are provided on the inner sides of the mounting seats, and the slide grooves are connected to the slide blocks.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the grinding and polishing mechanism for office equipment not only realizes the function of height adjustment, but also realizes the function of facilitating the collection of waste chips;

[0014] (1) By turning the first handle and under the action of the threaded connection, the second threaded sleeve further drives the mounting seat to move upward, so that the limit support plate is pressed against the bottom of the desk, and the grinding and polishing head is driven to release the edge of the desk. At the same time, by setting a locking mechanism, when the first handle is rotated to a suitable position, the hand wheel is turned and under the action of the threaded connection, the fixing block can be rotated into the inside of the fixing groove, thereby achieving a locking effect, preventing the first handle from rotating and affecting the operation of the mounting seat. At the same time, by installing anti-slip teeth, the fixing block can be prevented from loosening;

[0015] (2) By installing a collection box, the waste chips generated by the grinding and polishing head can be collected. The staff only needs to pull the second handle to pull the collection box out from the inside of the mounting base, so that the staff can take out and dispose of the waste chips inside. At the same time, by installing a limit support plate and cooperating with the grooves, a limit effect can be achieved to prevent the grinding and polishing head from being difficult to accurately align with the edge of the desk before grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the side cross-sectional structure of the movable seat of the utility model;

[0019] Figure 3 For the utility model Figure 2 Schematic diagram of the structure at A in the middle;

[0020] Figure 4 This is a schematic diagram of the structure of the collection box of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the limiting support plate of the utility model.

[0022] Explanation of the reference numerals in the figure: 1. movable seat; 2. armrest; 3. first motor; 4. grinding and polishing mobile vehicle; 5. fixed caster; 6. first threaded rod; 7. first threaded sleeve; 8. first handle; 9. desk; 10. limit support plate; 11. mounting seat; 12. built-in groove; 13. collection box; 14. slide groove; 15. second threaded rod; 16. first bevel gear; 17. second bevel gear; 18. second threaded sleeve; 19. connecting frame; 20. second motor; 21. mounting plate; 22. locking mechanism; 2201. through groove; 2202. hand wheel; 2203. third threaded rod; 2204. fixed plate; 2205. fixed block; 2206. fixed groove; 2207. anti-slip teeth; 23. slider; 24. second handle; 25. ball bearing; 26. groove; 27. rotating shaft; 28. grinding and polishing head. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 The utility model provides an embodiment: a grinding and polishing mechanism for office equipment, comprising a grinding and polishing mobile vehicle 4, a movable seat 1 is installed on the top of the grinding and polishing mobile vehicle 4, and a first handle 8 is installed at one end of the movable seat 1;

[0025] The outer side of the first handle 8 is provided with a mounting plate 21, and the interior of the mounting plate 21 is evenly provided with a locking mechanism 22, the locking mechanism 22 includes a through slot 2201, and the through slot 2201 is evenly provided inside the mounting plate 21, the interior of the through slot 2201 is provided with a third threaded rod 2203, and the outer side of the third threaded rod 2203 is provided with a hand wheel 2202, the inner side of the third threaded rod 2203 is provided with a fixing plate 2204, and the inner side of the fixing plate 2204 is provided with a fixing plate 2206. The fixed block 2205 and the outer side of the movable seat 1 are evenly provided with fixed grooves 2206, and the fixed grooves 2206 are all connected to the fixed block 2205. The inner side of the fixed plate 2204 is evenly installed with anti-slip teeth 2207, and the cross-section of the anti-slip teeth 2207 is set to be triangular. The anti-slip teeth 2207 are arranged at equal intervals on the inner side of the fixed plate 2204. The size of the fixed block 2205 is equal to the size of the fixed groove 2206, and the cross-section of the fixed block 2205 is set to be trapezoidal;

[0026] Specifically, Figure 2 and Figure 3 As shown, when in use, the locking mechanism 22 is provided to achieve a locking effect, thereby preventing the first handle 8 from rotating and affecting the operation of the mounting seat 11.

[0027] A handrail 2 is installed at the top of the grinding and polishing mobile vehicle 4 on one side of the movable seat 1, a first threaded rod 6 is installed inside the grinding and polishing mobile vehicle 4, and a first threaded sleeve 7 is installed on the outside of the first threaded rod 6, and the first threaded sleeve 7 is connected to the movable seat 1, a first motor 3 is installed on one side of the grinding and polishing mobile vehicle 4, and fixed casters 5 are evenly installed on the bottom end of the grinding and polishing mobile vehicle 4, a second threaded rod 15 is installed inside the movable seat 1, and a second threaded sleeve 18 is installed on the outside of the second threaded rod 15, and a mounting seat 11 is installed on the inside of the second threaded sleeve 18;

[0028] A built-in groove 12 is provided inside the mounting seat 11, and a collection box 13 is installed inside the built-in groove 12. A connecting frame 19 is installed at the top of the mounting seat 11, and a rotating shaft 27 is installed on the inner side of the connecting frame 19, and a grinding and polishing head 28 is installed on the inner side of the rotating shaft 27. A second motor 20 is installed inside the connecting frame 19. A limited support plate 10 is installed at the top of the mounting seat 11, and a desk 9 is installed on the top of the limited support plate 10. A second handle 24 is installed at one end of the collection box 13. Grooves 26 are evenly provided on the top of the limited support plate 10, and balls 25 are installed inside the grooves 26. Slide blocks 23 are installed on both sides of the collection box 13. Slide grooves 14 are provided on the inner side of the mounting seat 11, and the slide grooves 14 are connected to the slide blocks 23.

[0029] Specifically, Figure 2 and Figure 4As shown, when in use, by installing the collection box 13, the waste chips generated by the grinding and polishing head 28 can be collected, and by installing the limiting support plate 10 and cooperating with the groove 26, a limiting effect can be achieved;

[0030] A second bevel gear 17 is installed on the outer side of the second threaded rod 15 , a connecting shaft is installed on one end inside the movable seat 1 , and a first bevel gear 16 is installed on the outer side of the connecting shaft. The first bevel gear 16 is meshed and connected with the second bevel gear 17 .

[0031] Working principle: When the utility model is in use, the grinding and polishing mobile vehicle 4 is moved to the edge of the desk 9, the first handle 8 is turned and under the action of the threaded connection, the second threaded sleeve 18 further drives the mounting seat 11 to move upward, and the limiting support plate 10 is pressed against the bottom of the desk 9 to play a limiting effect. When the grinding and polishing position is determined, the hand wheel 2202 is turned and under the action of the threaded connection, the fixing block 2205 can be turned into the inside of the fixing groove 2206, thereby playing a locking effect and preventing the first handle 8 from rotating;

[0032] At this time, the second motor 20 is started to start the grinding work. The waste chips generated during the grinding process will fall into the collection box 13 for collection. The staff only needs to pull the second handle 24 to pull the collection box 13 out of the mounting base 11, so that the staff can take out and dispose of the waste chips inside.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, i.e., they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Those of ordinary skill in the art may understand and implement it without creative effort.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A grinding and polishing mechanism for office equipment, comprising a grinding and polishing mobile vehicle (4), characterized in that: A movable seat (1) is installed at the top of the grinding and polishing mobile vehicle (4), and a first handle (8) is installed at one end of the movable seat (1); a handrail (2) is installed at the top of the grinding and polishing mobile vehicle (4) on one side of the movable seat (1); a first threaded rod (6) is installed inside the grinding and polishing mobile vehicle (4), and a first threaded sleeve (7) is installed on the outside of the first threaded rod (6), and the first threaded sleeve (7) is connected to the movable seat (1); a first motor (3) is installed on one side of the grinding and polishing mobile vehicle (4); The bottom end of the movable seat (4) is evenly mounted with a fixed caster (5), a second threaded rod (15) is mounted inside the movable seat (1), and a second threaded sleeve (18) is mounted on the outside of the second threaded rod (15), a mounting seat (11) is mounted on the inside of the second threaded sleeve (18), a second bevel gear (17) is mounted on the outside of the second threaded rod (15), a connecting shaft is mounted on one end inside the movable seat (1), and a first bevel gear (16) is mounted on the outside of the connecting shaft, and the first bevel gear (16) is meshingly connected with the second bevel gear (17).

2. A grinding and polishing mechanism for office equipment according to claim 1, characterized in that: A mounting plate (21) is installed on the outer side of the first handle (8), and a locking mechanism (22) is evenly arranged inside the mounting plate (21), the locking mechanism (22) comprises a through groove (2201), and the through groove (2201) is evenly arranged inside the mounting plate (21), a third threaded rod (2203) is installed inside the through groove (2201), and a hand wheel (2202) is installed on the outer side of the third threaded rod (2203), a fixing plate (2204) is installed on the inner side of the third threaded rod (2203), and a fixing block (2205) is installed on the inner side of the fixing plate (2204), the outer side of the movable seat (1) is evenly arranged with a fixing groove (2206), and the fixing groove (2206) is connected to the fixing block (2205), and the inner side of the fixing plate (2204) is evenly installed with anti-slip teeth (2207).

3. The grinding and polishing mechanism for office equipment according to claim 2, characterized in that: The cross-sections of the anti-slip teeth (2207) are all arranged in a triangular shape, and the anti-slip teeth (2207) are arranged at equal intervals on the inner side of the fixing plate (2204).

4. The grinding and polishing mechanism for office equipment according to claim 2, characterized in that: The size of the fixing blocks (2205) is equal to the size of the fixing grooves (2206), and the cross-sections of the fixing blocks (2205) are all arranged to be trapezoidal.

5. The grinding and polishing mechanism for office equipment according to claim 1, characterized in that: The mounting seat (11) is provided with a built-in groove (12) inside, and a collection box (13) is installed inside the built-in groove (12); a connecting frame (19) is installed at the top end of the mounting seat (11), and a rotating shaft (27) is installed inside the connecting frame (19), and a grinding and polishing head (28) is installed inside the rotating shaft (27); a second motor (20) is installed inside the connecting frame (19); a limit support plate (10) is installed at the top end of the mounting seat (11), and a desk (9) is installed at the top end of the limit support plate (10); and a second handle (24) is installed at one end of the collection box (13).

6. The grinding and polishing mechanism for office equipment according to claim 5, characterized in that: Grooves (26) are evenly arranged at the top end of the interior of the position-limiting support plate (10), and balls (25) are installed inside the grooves (26).

7. The grinding and polishing mechanism for office equipment according to claim 5, characterized in that: Slide blocks (23) are installed on both sides of the collection box (13), and slide grooves (14) are provided on the inner sides of the mounting seat (11), and the slide grooves (14) are connected to the slide blocks (23).

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