CN220718794U

CN220718794U - Jewelry sanding device

Info

Publication number: CN220718794U
Application number: CN202321060621.XU
Authority: CN
Inventors: 朱润铭
Original assignee: Taishan Zhuchengji Precision Equipment Co ltd
Current assignee: Taishan Zhuchengji Precision Equipment Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2024-04-05
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a jewelry sanding device which comprises a base, wherein two sides of the bottom of the base are fixedly connected with supporting plates, the whole jewelry sanding device is supported by the two supporting plates, a powder collecting mechanism is fixedly embedded in the bottom of the base, and the powder collecting mechanism is used for collecting powder generated in the sanding process. According to the utility model, through the arrangement of the L-shaped mounting plate, the first electric telescopic rod, the pressing mechanism, the rotary driving mechanism and the transverse driving mechanism, the ring can be limited and is driven to rotate in a friction way, the manual polishing operation is not needed, the labor intensity is reduced, the top, the bottom, the inner side and the outer side of the ring can be simultaneously wrapped and polished by the aid of the adjustable first friction mechanism and the adjustable second friction mechanism, the working efficiency is improved, and powder generated in the polishing process can be effectively collected through the arrangement of the powder collecting mechanism.

Description

Jewelry sanding device

Technical Field

The utility model relates to the technical field of jewelry sanding processing equipment, in particular to a jewelry sanding processing device.

Background

The utility model provides a gold jewelry is produced and processed and then needs to be sanded, the existing sanding mode mostly adopts manual single operation, namely an operator holds the gold jewelry with one hand and carries the sanding machine to step by step sand on the outer surface of the gold jewelry, so that the surface of the gold jewelry is smooth, gold powder produced by sanding needs to be collected manually after each sanding, the collection efficiency is low, bad influence is brought to actual operation, in order to solve the problem, application number 201920598122.3 discloses a sanding device for gold jewelry processing, the device comprises a workbench, the upper end of the workbench is fixedly connected with a sanding machine, the upper end of the workbench positioned on one side of the sanding machine is provided with a collecting tank, the tank bottom of the collecting tank is fixedly connected with a guide pipe, the lower end of the workbench is fixedly connected with a collecting tank, liquid water is filled in the collecting tank, one end of the guide pipe, which is far away from the collecting tank, sequentially penetrates through the top of the workbench and extends into the liquid water, a fan is mounted in the collecting tank, the output end of the fan faces the guide pipe, the upper end of the guide pipe is arranged towards the position, one side of the collecting tank, which is close to the upper side of the collecting tank is connected with a discharging pipe, and one side of the discharging pipe is connected with the discharging pipe, and the discharging pipe is positioned on one side of the collecting tank; the gold powder is convenient to recycle, and the collection efficiency of the gold powder is improved;

in the above patent, the pipe, the collecting box, the collecting tank and the fan are matched, so that the crushing generated in the sand blasting process can be collected;

according to the sanding machine arranged in the patent, when the jewelry is polished, a person is required to carry out handheld polishing, but the handheld polishing mode is time-consuming and labor-consuming; in addition, only one surface of jewelry can be polished at a time, and particularly when the ring is polished, the top, the bottom, the inner ring and the outer ring of the ring are required to be polished, and the manner of polishing one surface at a time is low in polishing efficiency, cannot meet the use requirement, and combines the conditions, so that the jewelry polishing device is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a jewelry sanding device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a jewelry sanding device, includes the base, the equal fixedly connected with backup pad in bottom both sides of base supports whole device through two backup pads, the bottom of base inlays and is fixed with powder collection mechanism, powder collection mechanism is used for collecting the powder that produces in the sanding process, the top left side fixedly connected with L shape mounting panel of base, the movable plate has been placed at the top of L shape mounting panel, the top of movable plate inlays and is fixed with first electric telescopic handle, the output shaft bottom fixedly connected with of first electric telescopic handle presses fixed establishment, first electric telescopic handle is used for driving press fixed establishment vertical movement, press fixed establishment is used for restricting the top of ring, press fixed establishment is last to install rotary driving mechanism, rotary driving mechanism is used for driving the ring and rotates, fixed mounting has same transverse driving mechanism between the bottom of movable plate and the left side inner wall of L shape mounting panel, transverse driving mechanism is used for driving movable plate lateral movement, press fixed establishment's top right side is provided with first friction mechanism, the top fixed mounting of base has with adjustable second friction mechanism with adjustable friction mechanism matched with, adjustable friction mechanism and second friction mechanism are used for setting up the inside and polishing ring, the bottom is used for polishing the ring.

Preferably, the powder collecting mechanism comprises a dust hood which is embedded and fixed at the bottom of the base, the top of the dust hood is flush with the top of the base, the bottom of the base is fixedly provided with a mounting box with an opening, an L-shaped filter plate is movably sleeved in the mounting box, a baffle is mounted on the left side of the mounting box, the right side of the baffle is fixedly connected with the left side of the L-shaped filter plate, a U-shaped handle is fixedly connected with the bottom of the mounting box, a suction pump is provided for sucking and collecting generated powder through the suction pump, the L-shaped filter plate is used for filtering and shielding the powder in the gas which contains the powder and is extracted, the top of the suction pump is an extraction end and is fixedly connected with a conical hood, the mounting box is fixedly sleeved on the conical hood, and the bottom of the suction pump is an exhaust end and is fixedly connected with a dust screen.

Preferably, the pressing mechanism comprises a pressing plate, the top of the pressing plate is fixedly connected with the bottom end of an output shaft of the first electric telescopic rod, a plurality of first anti-abrasion balls are embedded in the bottom of the pressing plate and the inner wall of the bottom of the L-shaped mounting plate, the plurality of first anti-abrasion balls at the outermost side are arranged in an annular mode, a plurality of second anti-abrasion balls are embedded in the inner wall of the left side of the L-shaped mounting plate, and the pressing plate, the first anti-abrasion balls and the second anti-abrasion balls are matched for limiting the finger ring.

Preferably, the rotary driving mechanism comprises a rotating shaft, the rotating shaft is rotatably arranged at the left side of the bottom of the pressing plate, the bottom end of the rotating shaft is fixedly connected with a friction driving wheel, the left side of the top of the pressing plate is fixedly connected with a driving motor, the bottom end of an output shaft of the driving motor is fixedly connected with the top end of the rotating shaft, and the driving motor is matched with the rotating shaft and used for driving the friction driving wheel to rotate.

Preferably, the transverse driving mechanism comprises a pushing block fixedly connected to the bottom of the movable plate, a second electric telescopic rod is embedded and fixed above the inner wall of the left side of the L-shaped mounting plate, the right end of an output shaft of the second electric telescopic rod is fixedly connected with the left side of the pushing block, and the second electric telescopic rod is matched with the pushing block and used for driving the movable plate to transversely move.

Preferably, the adjustable first friction mechanism comprises a first L-shaped friction block, a first sand layer is arranged on the inner side of the first L-shaped friction block, sand blasting operation is performed through the first sand layer, the top of the inner side of the first sand layer is flush with the bottom of a first anti-abrasion ball located above, the top of the first L-shaped friction block is fixedly connected with a first connecting block, the right side of the top of the pressing plate is fixedly connected with a third electric telescopic rod, the right end of an output shaft of the third electric telescopic rod is fixedly connected with the left side of the first connecting block, and the third electric telescopic rod is matched with the first connecting block and used for driving the first L-shaped friction block to transversely move.

Preferably, the adjustable second friction mechanism includes second L shape friction disc, the inboard of second L shape friction disc is equipped with the second and beats the sand layer, the second is beaten the sand layer and is used for polishing the operation, the inboard bottom of second is beaten the sand layer and is located the top parallel and level of the first abrasionproof ball of below, the bottom fixedly connected with second connecting block of second L shape friction disc, the top fixed mounting of base has fourth electric telescopic handle, the output shaft left end and the right side fixed connection of second connecting block of fourth electric telescopic handle, fourth electric telescopic handle cooperatees with the second connecting block for drive second L shape friction disc lateral shifting, rotatory hundred eighty degrees symmetry of first L shape friction disc and second L shape friction disc set up.

Preferably, a thread groove is formed in the bottom of the left side of the mounting box, a T-shaped fixing bolt is sleeved in the thread groove in a threaded mode, the baffle is sleeved on the T-shaped fixing bolt in a threaded mode, and the mounting box is fixed through the T-shaped fixing bolt.

Compared with the prior art, the utility model has the beneficial effects that:

1. the L-shaped mounting plate, the first anti-abrasion ball, the second anti-abrasion ball, the first electric telescopic rod and the pressing plate are matched, so that the position of the finger ring can be limited in the polishing process, and the finger ring can be automatically driven to rotate by matching with the arrangement of the rotary driving mechanism and the transverse driving mechanism, so that the hand-held polishing of a person is not required, and the labor intensity is reduced;

2. the adjustable first friction mechanism is matched with the adjustable second friction mechanism, so that the top, the bottom, the inner side and the outer side of the finger ring can be simultaneously wrapped, sanded and polished, and the working efficiency is improved;

3. the powder generated in the sanding process can be collected through the arrangement of the powder collecting mechanism;

according to the utility model, through the arrangement of the L-shaped mounting plate, the first electric telescopic rod, the pressing mechanism, the rotary driving mechanism and the transverse driving mechanism, the ring can be limited and is driven to rotate in a friction way, the manual polishing operation is not needed, the labor intensity is reduced, the top, the bottom, the inner side and the outer side of the ring can be simultaneously wrapped and polished by the aid of the adjustable first friction mechanism and the adjustable second friction mechanism, the working efficiency is improved, and powder generated in the polishing process can be effectively collected through the arrangement of the powder collecting mechanism.

Drawings

FIG. 1 is a schematic diagram of a jewelry sanding device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

fig. 4 is a schematic cross-sectional structure diagram of a jewelry sanding device according to the present utility model in a state in which a ring is pressed and fixed.

In the figure: 100. a base; 101. a dust collection cover; 102. a mounting box; 103. an air extracting pump; 104. an L-shaped filter plate; 105. a baffle; 1. an L-shaped mounting plate; 2. a moving plate; 3. a second electric telescopic rod; 4. a first electric telescopic rod; 5. pressing and fixing the plate; 6. a first wear ball; 7. a first L-shaped friction block; 8. a third electric telescopic rod; 9. a first connection block; 10. a second L-shaped friction block; 11. a fourth electric telescopic rod; 12. a rotating shaft; 13. friction drive wheel; 14. a driving motor; 15. a second connection block; 16. pushing the block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, a jewelry sanding device comprises a base 100, wherein two sides of the bottom of the base 100 are fixedly connected with support plates, the whole jewelry sanding device is supported by the two support plates, a powder collecting mechanism is fixedly embedded at the bottom of the base 100 and comprises a dust collecting cover 101 embedded and fixed at the bottom of the base 100, a first embedded hole for fixedly installing the dust collecting cover 101 is formed in the bottom of the base 100, the top of the dust collecting cover 101 is flush with the top of the base 100, a mounting box 102 with an opening is fixedly arranged at the top and the left side at the bottom of the base 100, the inner side of the mounting box 102 is of a rectangular structure, an L-shaped filter plate 104 is movably sleeved in the mounting box 102, the front side, the rear side and the right side of the L-shaped filter plate 104 are respectively movably contacted with the front side inner wall, the rear side inner wall and the right side inner wall of the mounting box 102, a baffle 105 is arranged at the left side of the mounting box 102, wherein the left bottom of the mounting box 102 is provided with a thread groove, the thread groove is internally provided with a T-shaped fixing bolt in a threaded manner, a baffle 105 is sleeved on the T-shaped fixing bolt in a threaded manner, the fixing of the baffle 105 on the mounting box 102 is realized through the T-shaped fixing bolt, wherein the right bottom of the baffle 105 is provided with a bolt hole, the baffle 105 is in threaded connection with the T-shaped fixing bolt through the bolt hole, the right side of the baffle 105 is fixedly connected with the left side of an L-shaped filter plate 104, the left side of the baffle 105 is fixedly connected with a U-shaped handle, the baffle 105 can be pulled by the U-shaped handle to move, the bottom of the mounting box 102 is fixedly connected with an air pump 103, the L-shaped filter plate 104 is used for filtering and shielding the generated powder in the extracted gas containing the powder through the air pump 103, the top of the air pump 103 is an extraction end and is fixedly connected with a conical cover, the mounting box 102 is fixedly sleeved on the conical cover, wherein a second embedded hole for fixedly mounting the conical cover is formed in the inner wall of the bottom of the mounting box 102, and the bottom of the air pump 103 is an exhaust end and is fixedly connected with a dust screen;

the left side of the top of the base 100 is fixedly connected with an L-shaped mounting plate 1, a moving plate 2 is placed at the top of the L-shaped mounting plate 1, a first electric telescopic rod 4 is embedded and fixed at the top of the moving plate 2, a third embedded hole for fixedly installing the first electric telescopic rod 4 is formed in the top of the moving plate 2, a pressing and fixing mechanism is fixedly connected to the bottom end of an output shaft of the first electric telescopic rod 4, the pressing and fixing mechanism comprises a pressing and fixing plate 5, the top of the pressing and fixing plate 5 is fixedly connected with the bottom end of the output shaft of the first electric telescopic rod 4, the first electric telescopic rod 4 is used for driving the pressing and fixing plate 5 to vertically move, a plurality of first anti-wear balls 6 are embedded on the bottom of the pressing and fixing plate 5 and the inner wall of the bottom of the L-shaped mounting plate 1, a plurality of second anti-wear balls 6 are annularly arranged, and a plurality of second anti-wear balls are embedded on the inner wall of the left side of the L-shaped mounting plate 1 and are matched with each other for limiting finger rings;

the pressing plate 5 is provided with a rotary driving mechanism, wherein the rotary driving mechanism comprises a rotating shaft 12, the rotating shaft 12 is rotatably arranged at the left side of the bottom of the pressing plate 5, a circular hole is formed in the left side of the bottom of the pressing plate 5, two bearings are fixedly sleeved in the circular hole, the inner side of an inner ring of each bearing is fixedly connected with the outer side of the rotating shaft 12, the bearings play a role in rotatably mounting the rotating shaft 12, the bottom end of the rotating shaft 12 is fixedly connected with a friction driving wheel 13, the left side of the top of the pressing plate 5 is fixedly connected with a driving motor 14, the bottom end of an output shaft of the driving motor 14 is fixedly connected with the top end of the rotating shaft 12, and the driving motor 14 is matched with the rotating shaft 12 and used for driving the friction driving wheel 13 to rotate;

the bottom of the movable plate 2 and the left inner wall of the L-shaped mounting plate 1 are fixedly provided with the same transverse driving mechanism, wherein the transverse driving mechanism comprises a pushing block 16 fixedly connected to the bottom of the movable plate 2, a second electric telescopic rod 3 is embedded and fixed above the left inner wall of the L-shaped mounting plate 1, the left inner wall of the L-shaped mounting plate 1 is provided with a fourth embedded hole for fixedly mounting the second electric telescopic rod 3, the right end of an output shaft of the second electric telescopic rod 3 is fixedly connected with the left side of the pushing block 16, and the second electric telescopic rod 3 is matched with the pushing block 16 and used for driving the movable plate 2 to transversely move;

the right side of the top of the pressing plate 5 is fixedly provided with an adjustable first friction mechanism, wherein the adjustable first friction mechanism comprises a first L-shaped friction block 7, a first sand layer is arranged on the inner side of the first L-shaped friction block 7, sand is beaten through the first sand layer, the top of the inner side of the first sand layer is flush with the bottom of a first anti-abrasion ball 6 positioned above, the top of the first L-shaped friction block 7 is fixedly connected with a first connecting block 9, the right side of the top of the pressing plate 5 is fixedly connected with a third electric telescopic rod 8, the right end of an output shaft of the third electric telescopic rod 8 is fixedly connected with the left side of the first connecting block 9, and the third electric telescopic rod 8 is matched with the first connecting block 9 and used for driving the first L-shaped friction block 7 to transversely move;

the top fixed mounting of base 100 has adjustable second friction mechanism, wherein adjustable second friction mechanism includes second L shape friction block 10, the inboard of second L shape friction block 10 is equipped with the second and beats the sand layer, the second is beaten the sand layer and is used for polishing operation, the inboard bottom of second and the top parallel and level of the first abrasionproof ball 6 that is located the below of beating the sand layer, the bottom fixedly connected with second connecting block 15 of second L shape friction block 10, the top fixed mounting of base 100 has fourth electric telescopic handle 11, the output shaft left end and the right side fixed connection of second connecting block 15 of fourth electric telescopic handle 11, fourth electric telescopic handle 11 and second connecting block 15 cooperate, be used for driving second L shape friction block 10 lateral shifting, first L shape friction block 7 and second L shape friction block 10 rotatory one hundred eighty degrees symmetry settings, the utility model is through L shape mounting panel 1, first electric telescopic handle 4, press the solid mechanism, rotary driving mechanism and transverse driving mechanism's setting, can restrict and friction drive its rotation, need not personnel's hand-held polishing operation intensity is reduced, and the grinding mechanism can be carried out to the powder, the grinding efficiency is improved to the inside of the setting up and can be polished the powder, the top through setting up, the sand collecting mechanism is polished to the powder, the top can be carried out simultaneously, the grinding mechanism is polished to the inside and the top through setting up.

Working principle: when the novel anti-abrasion grinding device is used, firstly, the ring is placed on the L-shaped mounting plate 1, the bottom of the ring is movably contacted with the top of the first anti-abrasion ball 6 positioned below, the left side of the ring is movably contacted with the right side of the second anti-abrasion ball, the inner side bottom of the second grinding layer is flush with the top of the first anti-abrasion ball 6 positioned below, when the bottom of the ring is contacted with the top of the first anti-abrasion ball 6 positioned below, the inner side bottom of the second grinding layer is movably contacted with the bottom of the ring, when the inner wall of the right side of the second grinding layer is not contacted with the outer side of the ring, the fourth electric telescopic rod 11 can be started positively, and the output shaft of the fourth electric telescopic rod 11 drives the second L-shaped friction block 10 to move leftwards to the inner wall of the right side of the second grinding layer to be contacted with the outer side of the ring through the second connecting block 15;

next, the first electric telescopic rod 4 is started in the forward direction, the output shaft of the first electric telescopic rod 4 drives the pressing plate 5 to move downwards, the pressing plate 5 drives the upper first anti-abrasion ball 6 to move downwards, when the upper first anti-abrasion ball 6 moves to be in contact with the top of the finger ring, the first electric telescopic rod 4 is stopped, the pressing plate 5 also drives the friction driving wheel 13 to move downwards through the rotating shaft 12 while moving downwards, at the moment, the friction driving wheel 13 is positioned in the finger ring, when the outer side of the friction driving wheel 13 is not in contact with the inner wall of the finger ring, the second electric telescopic rod 3 can be started reversely, the output shaft of the second electric telescopic rod 3 drives the moving plate 2 to move leftwards through the pushing block 16, the moving plate 2 drives the rotating shaft 12 to move leftwards through the first electric telescopic rod 4 and the pressing plate 5 in sequence, the rotating shaft 12 drives the friction driving wheel 13 to move leftwards to be in close contact with the inner wall of the finger ring, and then the second electric telescopic rod 3 is stopped;

the pressing plate 5 moves downwards and simultaneously drives the first L-shaped friction block 7 to move downwards through the third electric telescopic rod 8 and the first connecting block 9 in sequence, because the inner side top of the first sand layer is flush with the bottom of the first anti-abrasion ball 6 positioned above, when the bottom of the first anti-abrasion ball 6 positioned above contacts with the top of the ring, the first sand layer moves downwards until the inner side top of the first sand layer contacts with the top of the ring, when the left side inner wall of the first sand layer does not contact with the inner side of the ring, the third electric telescopic rod 8 is started in the forward direction, the output shaft of the third electric telescopic rod 8 drives the first L-shaped friction block 7 to move rightwards through the first connecting block 9 until the left side inner wall of the first sand layer contacts with the inner side of the ring in a movable way, and when the first sand layer contacts with the top and the inner side of the ring in a movable way, the second sanding layer is in movable contact with the bottom and the outer side of the ring, the driving motor 14 is started immediately, the output shaft of the driving motor 14 drives the friction driving wheel 13 to rotate through the rotating shaft 12, the friction driving wheel 13 rotates and simultaneously rubs to drive the ring to rotate, the ring rotates between the two first anti-abrasion balls 6 which are opposite up and down, the top and the inner side of the ring rub with the first sanding layer while rotating, the bottom and the outer side of the ring rub with the second sanding layer, the sanding effect of the ring is achieved under the action of friction force, the working efficiency is improved by the way of simultaneously sanding the top, the inner side and the outer side of the ring, the ring is limited and automatically driven to rotate and sand, the ring is not required to be manually polished, and the labor intensity is reduced;

the powder can be produced in the polishing process, therefore, the air pump 103 is started while polishing, the air pump 103 sequentially passes through the mounting box 102 and the dust hood 101 to extract the powder produced in the polishing process, under the extraction force, the gas containing the powder enters the mounting box 102 through the dust hood 101, the gas containing the powder in the mounting box 102 passes through the L-shaped filter plate 104 and is discharged through the exhaust end of the air pump 103, the L-shaped filter plate 104 filters and shields the powder in the gas, the purpose of collecting the powder produced in the polishing process is achieved, when the powder needs to be taken out, the T-shaped fixing bolt can be reversely rotated to be removed from the thread groove, the fixation of the baffle 105 is released, the baffle 105 can be moved leftwards at this moment, the baffle 105 drives the L-shaped filter plate 104 to be leftwards taken out from the mounting box 102, the L-shaped filter plate 104 supports the powder shielded by the L-shaped filter plate 104, and the powder collected by filtration can be cleaned.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a jewelry sanding processing's device, includes base (100), the equal fixedly connected with backup pad in bottom both sides of base (100), its characterized in that, the bottom of base (100) is inlayed and is fixed with powder collection mechanism, the top left side fixedly connected with L shape mounting panel (1) of base (100), movable plate (2) have been placed at the top of L shape mounting panel (1), the top of movable plate (2) is inlayed and is fixed with first electric telescopic handle (4), the output shaft bottom fixedly connected with of first electric telescopic handle (4) presses fixed establishment, press fixed establishment to be last to install rotary driving mechanism, fixed mounting has same horizontal actuating mechanism between the bottom of movable plate (2) and the left side inner wall of L shape mounting panel (1), the top right side fixed mounting of pressing fixed establishment has adjustable first friction mechanism, the top fixed mounting of base (100) has with adjustable second friction mechanism matched with.

2. The jewelry sanding device according to claim 1, wherein the powder collecting mechanism comprises a dust collecting cover (101) embedded and fixed at the bottom of the base (100), the top of the dust collecting cover (101) is flush with the top of the base (100), a mounting box (102) with an opening is fixedly arranged at the top and the left side of the base (100), an L-shaped filter plate (104) is movably sleeved in the mounting box (102), a baffle plate (105) is arranged at the left side of the mounting box (102), the right side of the baffle plate (105) is fixedly connected with the left side of the L-shaped filter plate (104), a U-shaped handle is fixedly connected at the left side of the baffle plate (105), an air sucking pump (103) is fixedly connected at the bottom of the mounting box (102), the top of the air sucking pump (103) is an extraction end and is fixedly connected with a conical cover, the mounting box (102) is fixedly sleeved on the conical cover, and the bottom of the air sucking pump (103) is an exhaust end and is fixedly connected with a dust screen.

3. The jewelry sanding device according to claim 2, wherein the pressing mechanism comprises a pressing plate (5), the top of the pressing plate (5) is fixedly connected with the bottom end of an output shaft of the first electric telescopic rod (4), a plurality of first anti-abrasion balls (6) are embedded in the bottom of the pressing plate (5) and the inner wall of the bottom of the L-shaped mounting plate (1), the plurality of first anti-abrasion balls (6) on the outermost side are arranged in a ring shape, and a plurality of second anti-abrasion balls are embedded in the inner wall of the left side of the L-shaped mounting plate (1).

4. A jewelry sanding device according to claim 3, characterized in that the rotary driving mechanism comprises a rotating shaft (12), the rotating shaft (12) is rotatably arranged at the left side of the bottom of the pressing plate (5), the bottom end of the rotating shaft (12) is fixedly connected with a friction driving wheel (13), the left side of the top of the pressing plate (5) is fixedly connected with a driving motor (14), and the bottom end of an output shaft of the driving motor (14) is fixedly connected with the top end of the rotating shaft (12).

5. The jewelry sanding device according to claim 4, wherein the transverse driving mechanism comprises a pushing block (16) fixedly connected to the bottom of the movable plate (2), a second electric telescopic rod (3) is embedded and fixed above the left inner wall of the L-shaped mounting plate (1), and the right end of an output shaft of the second electric telescopic rod (3) is fixedly connected with the left side of the pushing block (16).

6. The jewelry sanding device according to claim 5, wherein the adjustable first friction mechanism comprises a first L-shaped friction block (7), a first sanding layer is arranged on the inner side of the first L-shaped friction block (7), the top of the inner side of the first sanding layer is flush with the bottom of a first anti-abrasion ball (6) positioned above, a first connecting block (9) is fixedly connected to the top of the first L-shaped friction block (7), a third electric telescopic rod (8) is fixedly connected to the right side of the top of the pressing plate (5), and the right end of an output shaft of the third electric telescopic rod (8) is fixedly connected with the left side of the first connecting block (9).

7. The jewelry sanding device according to claim 6, wherein the adjustable second friction mechanism comprises a second L-shaped friction block (10), a second sanding layer is arranged on the inner side of the second L-shaped friction block (10), the bottom of the inner side of the second sanding layer is flush with the top of the first anti-abrasion ball (6) positioned below, a second connecting block (15) is fixedly connected with the bottom of the second L-shaped friction block (10), a fourth electric telescopic rod (11) is fixedly arranged on the top of the base (100), and the left end of an output shaft of the fourth electric telescopic rod (11) is fixedly connected with the right side of the second connecting block (15).

8. The jewelry sanding device according to claim 2, wherein a thread groove is formed in the bottom of the left side of the installation box (102), a T-shaped fixing bolt is sleeved in the thread groove, and a baffle (105) is sleeved on the T-shaped fixing bolt in a thread mode.