CN210703927U - Surface polishing device for alloy - Google Patents
Surface polishing device for alloy Download PDFInfo
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- CN210703927U CN210703927U CN201921749454.3U CN201921749454U CN210703927U CN 210703927 U CN210703927 U CN 210703927U CN 201921749454 U CN201921749454 U CN 201921749454U CN 210703927 U CN210703927 U CN 210703927U
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Abstract
The utility model discloses a surface finish device for alloy, the power distribution box comprises a box body, the lower extreme skin weld of box has the support, the upper end surface of box articulates there is flip, the feed inlet that is used for alloy pipe utensil business turn over is seted up at the front end surface middle part of box, the rear end surface of box corresponds the first pneumatic cylinder of fixedly connected with in position with the feed inlet, the extension end of first pneumatic cylinder runs through the box and extends to the inside and the fixedly connected with briquetting of box, the internal surface of box is close to the both sides fixedly connected with centre gripping main part of rear end, the inside swing joint of centre gripping main part has the rectangle frame, the one end setting of rectangle frame is in the inside of centre gripping main part. The utility model discloses the structure is passed through the active rotation of motor drive grinding roller and is polished, forces cylindricality alloy template main part passive form to rotate burnishing and polishing, realizes the all-round even burnishing and polishing of cylindricality alloy main part surface, improves burnishing and polishing efficiency, reduces the artifical labour dynamics.
Description
Technical Field
The utility model relates to a sheet metal processing equipment technical field specifically is a surface finish device for alloy.
Background
The alloy material is designed according to modulus during production, and is extruded into alloy templates with different shapes and structures by special equipment, and the alloy templates can be freely combined according to different structure sizes. Particularly, the design, research and development and construction application of the cylindrical alloy template are one-time great development of the building industry, the surface of the aluminum alloy template needs to be polished in the processing process of the existing cylindrical alloy template, and the existing polishing is processed by a hand-held polishing machine, so that the polishing efficiency is low, the working time is long, and the labor intensity of operators is high;
compared with the Chinese patent, the grinding and polishing machine CN201822044485.0 for surface treatment of the aluminum alloy template has the advantages that the grinding and polishing machine CN201822044485.0 is simple in structure, novel in structure and reasonable in design, a workpiece to be ground and polished is put into a guide chute, the bottom of the workpiece is clamped and fixed by an arc guide block inside rectangular notches on two sides of the guide chute, and through the thickness of the workpiece, a hydraulic cylinder driving piston rod in a left grinding cavity and a hydraulic cylinder driving piston rod in a right grinding cavity respectively push an L-shaped bracket to move oppositely, a motor-driven grinding roller is convenient to grind the workpiece in the guide chute, a press block is pushed by a hydraulic cylinder driving piston rod, and the press block pushes the workpiece in the guide chute, so that the workpiece can be ground and polished on two sides of the workbench at the same time, the grinding and polishing efficiency of the workpiece is improved, and the working intensity of operators is;
therefore, a surface polishing device for alloy is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a surface finish device for alloy, the device structure is polished through the active rotation of motor drive grinding roller, forces cylindricality alloy template main part passive form to rotate burnishing and polishing, realizes the all-round even burnishing and polishing of cylindricality alloy main part surface, improves burnishing and polishing efficiency, reduces the artifical labour dynamics to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a surface polishing device for alloy comprises a box body, wherein a support is welded on the outer surface of the lower end of the box body, a flip cover is hinged on the outer surface of the upper end of the box body, a feed inlet for alloy pipes to enter and exit is formed in the middle of the outer surface of the front end of the box body, a first hydraulic cylinder is fixedly connected to the position, corresponding to the feed inlet, of the outer surface of the rear end of the box body, the extending end of the first hydraulic cylinder penetrates through the box body, extends into the box body and is fixedly connected with a pressing block, clamping main bodies are fixedly connected to the two sides, close to the rear end, of the inner surface of the box body, a rectangular frame is movably connected to the inner portion of the clamping main bodies, one end of the rectangular frame is arranged in the clamping main bodies, a blocking block is fixedly connected to one end of the rectangular frame, the other end of the rectangular frame is fixedly connected with an arc-shaped clamping plate, the inner surface of the arc-shaped clamping plate is hinged with a steel ball, the middle part of the outer surface of the lower end of the flip cover is fixedly connected with a dust baffle plate, the middle part of the lower end of the inner surface of the box body is provided with a dust collecting cavity, two sides of the inner surface of the box body, which are close to the front end, are fixedly connected with a fixed seat, the outer surface of the upper end of the fixed seat is provided with a second hydraulic cylinder, the second hydraulic cylinder is fixedly connected with the box body, the outer surface of the upper end of the fixed seat is provided with a chute, the inside of the chute is connected with a sliding block in a sliding manner, the outer surface of the upper end of the sliding block is fixedly connected with an L-shaped push plate, the outer surface, the outer surface of the upper end of the connecting seat is fixedly connected with a fixed shaft, and the upper end of the fixed shaft is movably connected with a roller.
By adopting the technical scheme, the device structure is through the active rotation of motor drive grinding roller and is polished, forces cylindricality alloy template main part passive form to rotate burnishing and polishing, realizes the all-round even burnishing and polishing of cylindricality alloy main part surface, improves burnishing and polishing efficiency, reduces the artifical labour dynamics.
Preferably, the number of the connecting seats, the fixing shaft, the rollers and the reinforcing ribs is a plurality, the connecting seats, the fixing shaft, the rollers and the reinforcing ribs form a supporting plate of a net structure, the front end of the supporting plate of the net structure extends to the feed inlet, and the rear end of the supporting plate of the net structure extends to the lower part of the first hydraulic cylinder.
By adopting the technical scheme, the support plate with the reticular structure consisting of the connecting seats, the fixed shafts, the rollers and the reinforcing ribs is used for supporting and fixing the cylindrical alloy template.
Preferably, the number of the clamping main bodies is two, and the clamping main bodies are symmetrically arranged by taking the center of the box body as a midpoint.
By adopting the technical scheme, the clamping main bodies on the two sides clamp and fix the cylindrical alloy template through the arc-shaped clamping plates.
Preferably, the outer surface of the front end of the arc-shaped clamping plate is inclined, and the arc-shaped clamping plate is of a semicircular structure.
By adopting the technical scheme, the arc-shaped clamping plate can better fit with the cylindrical alloy template.
Preferably, the inner surface of the dust collecting cavity is inclined at 45 degrees, a discharge outlet is formed in the center of the outer surface of the lower end of the box body, and the discharge outlet is connected with the dust collecting cavity.
Through adopting above-mentioned technical scheme, the dust collection chamber is used for collecting the iron fillings that have the network structure backup pad to drop.
Preferably, the dust baffle is distributed at the center of the outer surface of the lower end of the turnover cover in a triangular state.
Through adopting above-mentioned technical scheme, the dust board is used for blockking that iron fillings splash among the burnishing and polishing process.
Compared with the prior art, the beneficial effects of the utility model are that:
when the device is used, a cylindrical alloy template body is pushed into a box body from a feed inlet and is placed on a supporting plate of a net structure consisting of a plurality of connecting seats, the fixed shaft, the rollers and the reinforcing ribs, the outer surface of the cylindrical alloy template body is contacted with the rollers, then the rear end of the cylindrical alloy template body is contacted with a pressing block at the front end of a first hydraulic cylinder, when the cylindrical alloy template is pushed into the box body, the cylindrical alloy template is contacted with and extrudes the arc-shaped clamping plates and is pushed to the centers of the arc-shaped clamping plates at two sides under the action of the inclined surfaces of the arc-shaped clamping plates, then a rectangular frame moves towards the inside of the clamping body, the cylindrical alloy template is clamped and fixed under the elastic force expansion action of the springs, and then a user controls a second hydraulic cylinder to operate on the fixed seat to push an L-shaped push plate, the L-shaped push plates on two sides move oppositely and approach the cylindrical alloy template under the sliding connection action of the sliding block and the sliding groove to force the outer surface of the grinding roller to contact the cylindrical alloy template, the first hydraulic cylinder is controlled to push the pressing block to push the cylindrical alloy template out of the feeding hole, the motor on two sides of the cylindrical alloy template drives the grinding rollers to actively rotate and grind in the pushing process, the cylindrical alloy template body is forced to passively rotate and grind and polish under the action of the rollers and the steel balls, all-round uniform grinding and polishing of the outer surface of the cylindrical alloy template body are realized, scrap iron generated in the grinding process is collected and discharged out of the box body under the action of the dust baffle and the dust collecting cavity, the device structure actively rotates and polishes through the motor driven grinding rollers, the passive rotation and polishing of the cylindrical alloy template body are forced, and all-round uniform grinding and polishing, improve burnishing and polishing efficiency, reduce the artifical labour dynamics, the device structure can be collected the iron fillings that the in-process of polishing produced simultaneously, avoids environmental pollution.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a combination view of the box body and the clamping main body of the present invention;
fig. 3 is a combined view of the clamping main body and the arc-shaped clamping plate of the invention;
FIG. 4 is a view showing the combination of the dust-blocking plate and the dust-collecting chamber;
FIG. 5 is a combined view of the L-shaped push plate and the grinding roller of the present invention;
fig. 6 is a combination view of the connecting seat and the reinforcing rib of the present invention.
In the figure:
1. a box body; 2. a support; 3. a cover is turned; 4. a feed inlet; 5. a first hydraulic cylinder; 6. briquetting; 7. a clamping body; 8. an L-shaped push plate; 9. a spring; 10. a rectangular frame; 11. an arc-shaped splint; 12. steel balls; 13. blocking; 14. a dust guard; 15. a second hydraulic cylinder; 16. a fixed seat; 17. a chute; 18. a connecting seat; 19. a dust collection chamber; 20. a slider; 21. a motor; 22. grinding a roller; 23. a fixed shaft; 24. a roller; 25. and (5) reinforcing ribs.
Detailed Description
In the following, reference will be made to the accompanying drawings in the embodiments of the present invention for clearly and completely describing the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
as shown in fig. 1, the surface polishing device for the alloy comprises a box body 1, wherein a support 2 is welded on the outer surface of the lower end of the box body 1, a turnover cover 3 is hinged on the outer surface of the upper end of the box body 1, and a feed inlet 4 for feeding and discharging the alloy pipe is formed in the middle of the outer surface of the front end of the box body 1;
as shown in fig. 2, a first hydraulic cylinder 5 is fixedly connected to the outer surface of the rear end of the box body 1 at a position corresponding to the feed port 4, an extending end of the first hydraulic cylinder 5 penetrates through the box body 1 and extends into the box body 1, a pressing block 6 is fixedly connected to the extending end, and clamping bodies 7 are fixedly connected to two sides of the inner surface of the box body 1 close to the rear end;
as shown in fig. 3, a rectangular frame 10 is movably connected inside the clamping main body 7, one end of the rectangular frame 10 is arranged inside the clamping main body 7, a stop block 13 is fixedly connected to one end of the rectangular frame 10, the stop block 13 is used for placing the rectangular frame 10 to be separated from the clamping main body 7, a spring 9 is arranged inside the rectangular frame 10 and the clamping main body 7, two ends of the spring 9 are fixedly connected with the inner surfaces of the rectangular frame 10 and the clamping main body 7 respectively, an arc-shaped clamping plate 11 is fixedly connected to the other end of the rectangular frame 10, and a steel ball 12 is hinged to the inner surface of the arc-shaped clamping plate 11;
as shown in fig. 4, 5 and 6, a dust guard 14 is fixedly connected to the middle of the outer surface of the lower end of the flip 3, a dust collection chamber 19 is arranged in the middle of the lower end of the inner surface of the box 1, fixing seats 16 are fixedly connected to both sides of the inner surface of the box 1 near the front end, a second hydraulic cylinder 15 is arranged on the outer surface of the upper end of the fixing seat 16, the second hydraulic cylinder 15 is fixedly connected to the box 1, a sliding groove 17 is formed in the outer surface of the upper end of the fixing seat 16, a sliding block 20 is slidably connected to the inside of the sliding groove 17, an L-shaped push plate 8 is fixedly connected to the outer surface of the upper end of the sliding block 20, a motor 21 is fixedly connected to the outer surface of the upper end of the L-shaped push plate 8, a grinding roller 22 is fixedly connected to the outer surface of the front end of the, the outer surface of the upper end of the connecting seat 18 is fixedly connected with a fixed shaft 23, and the upper end of the fixed shaft 23 is movably connected with a roller 24.
By adopting the technical scheme, the device structure is actively rotated and polished by the grinding roller 22 driven by the motor 21, so that the cylindrical alloy template main body is forced to be passively rotated and polished, the omnibearing uniform polishing of the outer surface of the cylindrical alloy main body is realized, the polishing efficiency is improved, and the manual labor intensity is reduced.
Specifically, as shown in fig. 6, the number of the connecting seats 18, the fixing shaft 23, the roller 24, and the reinforcing ribs 25 is several, the connecting seats 18, the fixing shaft 23, the roller 24, and the reinforcing ribs 25 form a supporting plate with a mesh structure, the front end of the supporting plate with the mesh structure extends to the feed port 4, and the rear end of the supporting plate extends to the lower side of the first hydraulic cylinder 5.
By adopting the technical scheme, the connecting seats 18, the fixed shaft 23, the roller 24 and the reinforcing ribs 25 form a supporting plate with a net structure for supporting and fixing the cylindrical alloy template.
Specifically, as shown in fig. 2, the number of the clamping bodies 7 is two, and the clamping bodies are symmetrically arranged with the center of the box body 1 as a midpoint.
Through adopting above-mentioned technical scheme, the fixed cylindricality alloy template of centre gripping main part 7 of both sides through the centre gripping of arc splint 11.
Specifically, as shown in fig. 3, the outer surface of the front end of the arc splint 11 is inclined, and the arc splint 11 has a semicircular structure.
By adopting the technical scheme, the arc-shaped clamping plate 11 can better fit with the cylindrical alloy template.
Specifically, as shown in fig. 4, the inner surface of the dust collecting chamber 19 is inclined at 45 °, and a discharge outlet is formed in the center of the outer surface of the lower end of the box body 1 and connected with the dust collecting chamber 19.
Through adopting above-mentioned technical scheme, dust collection chamber 19 is used for collecting the iron fillings that have the network structure backup pad to drop.
Specifically, as shown in fig. 4, the dust guard 14 is distributed at the center of the outer surface of the lower end of the flip cover 3 in a triangular shape.
Through adopting above-mentioned technical scheme, dust board 14 is used for blockking that iron fillings splash among the burnishing and polishing process.
The working principle is as follows: when the device is used, a cylindrical alloy template body is firstly pushed to the inside of a box body 1 from a feeding hole 4 and is placed on a supporting plate which is in a net structure formed by a plurality of connecting seats 18, the fixed shaft 23, the rollers 24 and the reinforcing ribs 25, the outer surface of the cylindrical alloy template body is contacted with the rollers 24, then the rear end of the cylindrical alloy template body is contacted with a pressing block 6 at the front end of a first hydraulic cylinder 5, when the cylindrical alloy template is pushed to enter the inside of the box body 1, the cylindrical alloy template is contacted with and extrudes the arc-shaped clamping plates 11 and is pushed to the centers of the arc-shaped clamping plates 11 at two sides under the action of the inclined surfaces of the arc-shaped clamping plates 11, then the rectangular frame 10 moves towards the inside of the clamping body 7, and the cylindrical alloy template is clamped and fixed under the elastic force expansion action of the springs 9, the elastic coefficient of the spring 9 is 10N/MM, then a user controls the second hydraulic cylinder 15 to operate on the fixed seat 16 to push the L-shaped push plate 8, at the moment, the L-shaped push plate 8 moves oppositely and is close to the cylindrical alloy template under the sliding connection action of the sliding block 20 and the sliding groove 17, the outer surface of the grinding roller 22 is forced to contact with the cylindrical alloy template, at the moment, the first hydraulic cylinder 5 is controlled to push the pressing block 6 to push the cylindrical alloy template out of the feeding hole 4, the motor 21 at two sides of the cylindrical alloy template drives the grinding roller 22 to actively rotate and grind in the pushing process, the cylindrical alloy template body is forced to passively rotate, grind and polish under the action of the rollers 24 and the steel balls 12, the omnibearing uniform grinding and polishing of the outer surface of the cylindrical alloy body are realized, scrap iron generated in the grinding process is collected and discharged out of the box body 1 under, the device structure is polished through the active rotation of motor 21 drive grinding roller 22, forces cylindricality alloy template main part passive form to rotate burnishing and polishing, realizes the all-round even burnishing and polishing of cylindricality alloy main part surface, improves burnishing and polishing efficiency, reduces the artifical labour dynamics, and the device structure can be collected the iron fillings that the in-process produced of polishing simultaneously, avoids environmental pollution.
The using method comprises the following steps: when the device is used, firstly, a cylindrical alloy template main body is pushed to the interior of a box body 1 through a feeding hole 4 and is placed on a support plate which is of a net structure and consists of a plurality of connecting seats 18, a fixed shaft 23, rollers 24 and reinforcing ribs 25, the outer surface of the cylindrical alloy template main body is contacted with the rollers 24, then the rear end of the cylindrical alloy template main body is contacted with a pressing block 6 at the front end of a first hydraulic cylinder 5, when the cylindrical alloy template is pushed to enter the interior of the box body 1, the cylindrical alloy template is contacted with and extrudes an arc-shaped clamping plate 11, and is pushed to the centers of the arc-shaped clamping plates 11 at two sides under the action of the inclined surface of the arc-shaped clamping plate 11, then a rectangular frame 10 moves towards the interior of a clamping main body 7, the cylindrical alloy template is clamped and fixed under the elastic stretching action of a spring 9, the elastic coefficient of, at the moment, the L-shaped push plates 8 on two sides move oppositely and approach the cylindrical alloy template under the sliding connection action of the sliding block 20 and the sliding groove 17, so that the outer surface of the grinding roller 22 is forced to contact the cylindrical alloy template, the first hydraulic cylinder 5 is controlled to push the pressing block 6 to push the cylindrical alloy template out from the feeding hole 4, in the pushing process, the motors 21 on the two sides of the cylindrical alloy template drive the grinding rollers 22 to actively rotate and grind, so that the cylindrical alloy template main body is forced to passively rotate, grind and polish under the action of the rollers 24 and the steel balls 12, the outer surface of the cylindrical alloy main body is uniformly ground and polished in all directions, scrap iron generated in the grinding process is collected and discharged out of the box body 1 under the action of the dust baffle plate 14 and the dust collection cavity 19, the structure of the device drives the grinding roller 22 to actively rotate and grind through the motor 21, so that the cylindrical alloy template main body is forced to passively rotate, grind and polish.
The grinding roller 22, the motor 21 and the hydraulic cylinder are well known in the art, and those skilled in the art can achieve the corresponding use effect by providing the technical solution, so that no description is provided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a surface finish device for alloy, includes box (1), its characterized in that: the outer surface of the lower end of the box body (1) is welded with a support (2), the outer surface of the upper end of the box body (1) is hinged with a flip cover (3), a feed inlet (4) used for alloy pipe fittings to enter and exit is formed in the middle of the outer surface of the front end of the box body (1), a first hydraulic cylinder (5) is fixedly connected to the outer surface of the rear end of the box body (1) corresponding to the feed inlet (4), the extending end of the first hydraulic cylinder (5) penetrates through the box body (1) and extends to the inside of the box body (1) and is fixedly connected with a pressing block (6), a clamping main body (7) is fixedly connected to the two sides of the inner surface of the box body (1) close to the rear end, a rectangular frame (10) is movably connected to the inside of the clamping main body (7), one end of the rectangular frame (10) is arranged inside the, the clamping device is characterized in that a spring (9) is arranged inside the rectangular frame (10) and the clamping main body (7), two ends of the spring (9) are respectively fixedly connected with the inner surfaces of the rectangular frame (10) and the clamping main body (7), the other end of the rectangular frame (10) is fixedly connected with an arc-shaped clamping plate (11), the inner surface of the arc-shaped clamping plate (11) is hinged with a steel ball (12), the middle part of the outer surface of the lower end of the flip cover (3) is fixedly connected with a dust baffle plate (14), the middle part of the lower end of the inner surface of the box body (1) is provided with a dust collection cavity (19), two sides of the inner surface of the box body (1) close to the front end are fixedly connected with fixing seats (16), the outer surface of the upper end of the fixing seat (16) is provided with a second hydraulic cylinder (15), the second hydraulic, the utility model discloses a box of the motor vehicle, including fixing base (16), the inside sliding connection of spout (17) has slider (20), the upper end surface fixedly connected with L type push pedal (8) of slider (20), the upper end surface fixedly connected with motor (21) of L type push pedal (8), the front end surface of motor (21) is through transmission shaft fixedly connected with grinding roller (22), one side surface fixedly connected with connecting seat (18) of box (1) are kept away from in fixing base (16), one side surface fixedly connected with strengthening rib (25) of connecting seat (18), the upper end surface fixedly connected with fixed axle (23) of connecting seat (18), the upper end swing joint of fixed axle (23) has gyro wheel (24).
2. A surface polishing apparatus for alloy according to claim 1, characterized in that: the quantity of connecting seat (18), fixed axle (23), gyro wheel (24), strengthening rib (25) is a plurality of, a plurality of the backup pad of network structure is constituteed to connecting seat (18), fixed axle (23), gyro wheel (24), strengthening rib (25), and network structure's backup pad front end extends to feed inlet (4) department, and its rear end extends to the below of first pneumatic cylinder (5).
3. A surface polishing apparatus for alloy according to claim 1, characterized in that: the number of the clamping main bodies (7) is two, and the clamping main bodies are symmetrically arranged by taking the center of the box body (1) as a midpoint.
4. A surface polishing apparatus for alloy according to claim 1, characterized in that: the outer surface of the front end of the arc-shaped clamping plate (11) is inclined, and the arc-shaped clamping plate (11) is of a semicircular structure.
5. A surface polishing apparatus for alloy according to claim 1, characterized in that: the inner surface of the dust collection cavity (19) is inclined at 45 degrees, the central position of the outer surface of the lower end of the box body (1) is provided with a discharge outlet, and the discharge outlet is connected with the dust collection cavity (19).
6. A surface polishing apparatus for alloy according to claim 1, characterized in that: the dust baffle plate (14) is distributed at the center of the outer surface of the lower end of the turnover cover (3) in a triangular state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749454.3U CN210703927U (en) | 2019-10-18 | 2019-10-18 | Surface polishing device for alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749454.3U CN210703927U (en) | 2019-10-18 | 2019-10-18 | Surface polishing device for alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210703927U true CN210703927U (en) | 2020-06-09 |
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ID=70957589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921749454.3U Expired - Fee Related CN210703927U (en) | 2019-10-18 | 2019-10-18 | Surface polishing device for alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210703927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518453A (en) * | 2020-10-30 | 2021-03-19 | 侯启明 | Bearing polishing assembly based on mechanical rotating body |
| CN114559320A (en) * | 2022-03-16 | 2022-05-31 | 郭凯龙 | Welding seam burnishing device convenient to clearance iron fillings |
-
2019
- 2019-10-18 CN CN201921749454.3U patent/CN210703927U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518453A (en) * | 2020-10-30 | 2021-03-19 | 侯启明 | Bearing polishing assembly based on mechanical rotating body |
| CN114559320A (en) * | 2022-03-16 | 2022-05-31 | 郭凯龙 | Welding seam burnishing device convenient to clearance iron fillings |
| CN114559320B (en) * | 2022-03-16 | 2024-02-09 | 东亚科技(苏州)有限公司 | Welding seam burnishing device convenient to clearance iron fillings |
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Granted publication date: 20200609 Termination date: 20211018 |