CN210209934U - Regulation formula stainless steel spare polishing equipment - Google Patents
Regulation formula stainless steel spare polishing equipment Download PDFInfo
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- CN210209934U CN210209934U CN201920857039.3U CN201920857039U CN210209934U CN 210209934 U CN210209934 U CN 210209934U CN 201920857039 U CN201920857039 U CN 201920857039U CN 210209934 U CN210209934 U CN 210209934U
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Abstract
The utility model discloses a regulation formula stainless steel spare polishing equipment belongs to the polishing equipment field, regulation formula stainless steel spare polishing equipment is including the revolving stage that is used for installing stainless steel spare, locate the support of revolving stage one side and locate the cantilever on the support, the one end that is close to the revolving stage on the cantilever is provided with the outer throwing optical axis that is used for polishing the interior polishing axle of stainless steel spare inner wall and is used for polishing stainless steel spare outer wall, the polishing passageway of the lateral wall that forms stainless steel spare between interior polishing axle and the outer throwing optical axis. The utility model discloses a regulation formula stainless steel spare polishing equipment can realize polishing the inner wall and the outer wall of stainless steel spare simultaneously, improves polishing efficiency.
Description
Technical Field
The utility model relates to a polishing equipment field especially relates to a regulation formula stainless steel spare polishing equipment.
Background
Polishing refers to a process of reducing the roughness of a workpiece surface by mechanical, chemical, or electrochemical actions to obtain a bright, flat surface. The finishing of the surface of a workpiece is often performed using a polishing tool and abrasive particles or other polishing media.
Polishing equipment is often needed to be used for polishing in the machining and manufacturing process of the stainless steel piece, but the polishing of the inner wall and the outer wall of the cylindrical stainless steel piece is often needed to be carried out separately by the conventional polishing equipment, so that the polishing of the inner wall and the outer wall is difficult to realize, the polishing efficiency is low, and the production efficiency of the stainless steel piece is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing a regulation formula stainless steel member polishing equipment to realize polishing the inner wall and the outer wall of the stainless steel member simultaneously, improve polishing efficiency.
The utility model adopts the technical proposal that:
the utility model provides a pair of regulation formula stainless steel spare polishing equipment, including the revolving stage that is used for installing stainless steel spare, locate the support of revolving stage one side and locating cantilever on the support, be close to on the cantilever the one end of revolving stage is provided with and is used for the polishing the interior polishing axle of stainless steel spare inner wall with be used for the polishing the outer polishing axle of stainless steel spare outer wall, interior polishing axle with form between the outer polishing axle the polishing passageway of the lateral wall of stainless steel spare.
As a further improvement of the scheme, one end of the cantilever, which is close to the rotating platform, is provided with an adjusting connecting plate, a bar-shaped adjusting through hole is formed in the adjusting connecting plate, the upper end of the inner polishing shaft and the upper end of the outer polishing shaft are both penetrated through the bar-shaped adjusting through hole and are respectively connected with the adjusting connecting plate through fastening connecting pieces.
As a further improvement of the scheme, the inner polishing shaft comprises an inner polishing shaft core and an inner polishing barrel sleeved outside the inner polishing shaft core, the outer polishing shaft comprises an outer polishing shaft core and an outer polishing barrel sleeved outside the outer polishing shaft core, the polishing channel is formed between the inner polishing barrel and the outer polishing barrel, and the upper end of the inner polishing shaft core and the upper end of the outer polishing shaft core both penetrate through the strip-shaped adjusting through hole and are respectively connected with the adjusting connecting plate through adjusting nuts.
As a further improvement of the scheme, the bracket comprises a bracket base and a vertical rod fixed on the bracket base, the cantilever is connected with the vertical rod through a bidirectional adjusting piece, the bidirectional adjusting piece comprises a longitudinal sleeve body sleeved outside the vertical rod and a transverse sleeve body connected to the outer wall of the longitudinal sleeve body, and the transverse sleeve body is sleeved outside the cantilever; the axis of the longitudinal sleeve body is perpendicular to the axis of the transverse sleeve body, the side wall of the longitudinal sleeve body is in threaded connection with a longitudinal locking bolt piece used for fixing the longitudinal sleeve body and the vertical rod, and the side wall of the transverse sleeve body is in threaded connection with a transverse locking bolt piece used for fixing the transverse sleeve body and the cantilever.
As a further improvement of the scheme, the rotating table comprises a rotating table base, a rotating table rotatably arranged on the rotating table base, a plurality of clamping pieces arranged on the upper end surface of the rotating table and used for clamping the stainless steel pieces, and a driving motor used for driving the rotating table to rotate.
As a further improvement of the scheme, the upper part of the rotating table base is provided with an installation groove body, the bottom of the rotating table is provided with a convex ring sleeve extending into the installation groove body, the driving motor is fixed in a cavity formed between the installation groove body and the inner wall of the convex ring sleeve, and a power output shaft of the driving motor is connected with the rotating table.
As a further improvement of the scheme, the upper end surface of the rotating table base is provided with a ball groove, balls are arranged in the ball groove, and the bottom end surface of the rotating table is provided with an annular ball groove matched with the balls.
As a further improvement of the scheme, a plurality of clamping pieces are uniformly distributed on the rotary worktable, each clamping piece comprises a support fixed on the upper end surface of the rotary worktable and a screw rod in threaded connection with the support, and clamping positions of the stainless steel pieces are formed among the screw rods of the plurality of clamping pieces.
As a further improvement of the scheme, one end of the screw rod, which is close to the clamping position, is provided with a supporting block.
As a further improvement of the scheme, a propping gasket is arranged on one end face, close to the clamping position, of the propping block.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pair of adjust formula stainless steel spare polishing equipment, through polishing axle and outer throwing axle in setting up on the cantilever, form the polishing passageway between polishing axle and the outer throwing axle in making, it is inboard that stainless steel spare is arranged in to interior polishing axle, and the stainless steel spare outside is arranged in to outer throwing axle, the lateral wall of stainless steel spare is arranged in the polishing passageway promptly, through the fixed stainless steel spare of treating polishing processing of revolving stage and rotate, thereby make the lateral wall of stainless steel spare constantly through polishing the passageway, the outer wall and the inner wall of realizing stainless steel spare are polished simultaneously, make polishing time shorten the half of former polishing time, effectively improve the polishing efficiency of stainless steel spare.
Drawings
Fig. 1 is a schematic front view of an adjustable stainless steel polishing device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a polishing device for adjusting stainless steel members according to an embodiment of the present invention.
In the figure:
1. a stainless steel member; 2. a rotating table; 3. a support; 4. a cantilever; 5. an inner polishing shaft; 6. an outer polishing shaft; 7. polishing the channel; 41. adjusting the connecting plate; 410. a strip-shaped adjusting through hole; 51. internally polishing the shaft core; 52. an inner polishing barrel; 61. externally polishing the shaft core; 62. an outer polishing barrel; 8. adjusting the nut; 31. a bracket base; 32. erecting a rod; 9. a bidirectional adjustment member; 91. a longitudinal sleeve body; 92. a transverse sleeve body; 93. a longitudinal locking bolt member; 94. a transverse locking bolt member; 21. a rotating table base; 22. rotating the working table; 23. a clamping member; 24. a drive motor; 210. installing a groove body; 221. a convex ring sleeve; 211. a ball groove; 25. a ball bearing; 222. an annular ball groove; 231. a support; 232. a screw; 233. a propping block; 320. and supporting the nut.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings and technical solutions needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the adjustable polishing apparatus for stainless steel members provided in this embodiment includes a rotating platform 2 for mounting a stainless steel member 1, a bracket 3 disposed on one side of the rotating platform 2, and a cantilever 4 disposed on the bracket 3, wherein an inner polishing shaft 5 for polishing an inner wall of the stainless steel member 1 and an outer polishing shaft 6 for polishing an outer wall of the stainless steel member 1 are disposed at one end of the cantilever 4 close to the rotating platform 2, a polishing channel 7 is formed between the inner polishing shaft 5 and the outer polishing shaft 6, the inner polishing shaft 5 and the outer polishing shaft 6 are parallel to each other and are both vertically disposed, and an axis of the inner polishing shaft 5 and an axis of the outer polishing shaft 6 are both parallel to a rotation central axis of the rotating platform 2. When the polishing machine works, a cylindrical stainless steel part 1 to be polished is fixedly arranged on a rotating table 2, the opening of the stainless steel part 1 faces upwards, compared with the existing clamping frame for polishing by transversely clamping, the embodiment improves and sets the rotating table 2 to support the stainless steel part 1, the stability is higher, a polishing channel 7 is formed between an inner polishing shaft 5 and an outer polishing shaft 6 by arranging the inner polishing shaft 5 and the outer polishing shaft 6 on a cantilever 4, the inner polishing shaft 5 is arranged at the inner side of the stainless steel part 1, the outer polishing shaft 6 is arranged at the outer side of the stainless steel part 1, the side wall of the stainless steel part 1 is arranged in the polishing channel 7, the stainless steel part 1 to be polished is fixed by the rotating table 2 and rotates, so that the side wall of the stainless steel part 1 passes through the polishing channel 7 continuously, the outer wall and the inner wall of the stainless steel part 1 are polished simultaneously, and the polishing time is shortened to be half of the original polishing time, effectively improve the polishing efficiency of the stainless steel piece.
In order to facilitate the transverse and longitudinal adjustment of the distance between the inner polishing shaft 5 and the outer polishing shaft 6 relative to the stainless steel member 1 and the distance between the inner polishing shaft 5 and the outer polishing shaft 6, further, an adjusting connecting plate 41 is arranged at one end of the cantilever 4 close to the rotating platform 2, a strip-shaped adjusting through hole 410 is formed in the adjusting connecting plate 41, the upper end of the inner polishing shaft 5 and the upper end of the outer polishing shaft 6 both penetrate through the strip-shaped adjusting through hole 410 and are respectively connected with the adjusting connecting plate 41 through fastening connecting pieces, the fastening connecting pieces are adjusting nuts 8, further, the inner polishing shaft 5 comprises an inner polishing shaft core 51 and an inner polishing barrel 52 sleeved outside the inner polishing shaft core 51, the outer polishing shaft 6 comprises an outer polishing shaft core 61 and an outer polishing barrel 62 sleeved outside the outer polishing shaft core 61, a polishing channel 7 is formed between the inner polishing barrel 52 and the outer polishing barrel 62, and the inner polishing barrel 52 is in contact with the inner wall of the stainless steel member, the outer polishing barrel 62 is contacted with the outer wall of the stainless steel part 1, the upper end of the inner polishing shaft core 51 and the upper end of the outer polishing shaft core 61 respectively extend out of the inner polishing barrel 52 and the outer polishing barrel 62, the upper end of the inner polishing shaft core 51 and the upper end of the outer polishing shaft core 61 respectively penetrate through the strip-shaped adjusting through hole 410 and are respectively connected with the adjusting connecting plate 41 through the adjusting nut 8, the upper part of the inner polishing shaft core 51 and the upper part of the outer polishing shaft core 61 are respectively provided with external threads, the upper part of the inner polishing shaft core 51 is positioned at two sides of the adjusting connecting plate 41 and respectively connected with the adjusting nut 8 in a threaded manner, the inner polishing shaft core 51 and the outer polishing shaft core 61 can longitudinally translate and transversely translate in the strip-shaped adjusting through hole 410 by unscrewing the adjusting nut 8, the longitudinal translation can adjust the heights of the inner polishing shaft 5 and the outer polishing shaft 6, so as to be suitable for stainless steel parts 1 with different heights, the distance between the inner polishing shaft core 51 and the outer polishing shaft core 61 can be finely adjusted through transverse translation, so that the distance between the inner polishing barrel 52 and the outer polishing barrel 62 can be adjusted, so as to be suitable for stainless steel parts 1 with different wall thicknesses, so that the stainless steel parts 1 with different heights and wall thicknesses can be adjusted, and the applicability is wide. Of course, the inner polishing shaft 5 and the outer polishing shaft 6 with different specifications can be replaced according to the height of the stainless steel member 1.
In order to facilitate the transverse and longitudinal adjustment of the cantilever 4, further, the bracket 3 comprises a bracket base 31 and a vertical rod 32 fixed on the bracket base 31, the cantilever 4 is connected with the vertical rod 32 through a bidirectional adjusting member 9, the bidirectional adjusting member 9 comprises a longitudinal sleeve 91 sleeved outside the vertical rod 32 and a transverse sleeve 92 fixedly connected on the outer wall of the longitudinal sleeve 91, the transverse sleeve 92 is sleeved outside the cantilever 4, the axis of the longitudinal sleeve 91 is perpendicular to the axis of the transverse sleeve 92, the longitudinal sleeve 91 and the transverse sleeve 92 are welded and fixed, a first threaded through hole is formed on the side wall of the longitudinal sleeve 91, a longitudinal locking bolt member 93 for fixing the longitudinal sleeve body 91 and the upright rod 32 is connected in the first threaded through hole in a threaded manner, a second threaded through hole is formed on the side wall of the transverse sleeve body 92, a transverse lock bolt member 94 for fixing the transverse sleeve body 92 to the cantilever 4 is threadedly connected to the second threaded through hole. The longitudinal sleeve body 91 can longitudinally slide on the upright rod 32 by unscrewing the longitudinal locking bolt piece 93, so that the height of the cantilever 4 can be adjusted, the heights of the inner polishing shaft 5 and the outer polishing shaft 6 can be adjusted, the stainless steel parts 1 with different heights can be polished, the locking bolt piece 93 can be screwed after the height is selected, the cantilever 4 can transversely move relative to the transverse sleeve body 92 by unscrewing the transverse locking bolt piece 94, the distance between the inner polishing shaft 5 and the outer polishing shaft 6 and the stainless steel parts 1 can be adjusted, and the stainless steel parts 1 with different diameters can be polished.
Furthermore, the vertical rod 32 is configured to be a non-circular vertical rod, in this embodiment, the cross section of the vertical rod 32 is an ellipse, and the shape of the inner wall of the longitudinal sleeve 91 is matched with the shape of the cross section of the vertical rod 32, so as to prevent the longitudinal sleeve 91 from rotating relative to the vertical rod 32, and enhance the stability of the cantilever 4. Further, the surface of pole setting 32 is provided with the external screw thread, and the below threaded connection who lies in vertical cover body 91 on the pole setting 32 has a support nut 320, can support vertical cover body 91, prevents that vertical cover body 91 from following pole setting 32 and gliding, can strengthen the steadiness of cantilever 4.
In order to facilitate the installation and rotation of the rotating platform 2 on the stainless steel member 1, the rotating platform 2 further comprises a rotating platform base 21, a rotating table 22 rotatably disposed on the rotating platform base 21, a plurality of clamping members 23 disposed on the upper end surface of the rotating table 22 for clamping the stainless steel member 1, and a driving motor 24 for driving the rotating table 22 to rotate. The rotating table base 21 is connected with the bracket base 31, so that the stability of the cantilever 4, the inner polishing shaft 5 and the outer polishing shaft 6 can be improved.
In order to enhance the stability of the rotary table 22 during rotation, further, an installation groove 210 is disposed on the upper portion of the rotary table base 21, a protruding ring sleeve 221 extending into the installation groove 210 is disposed at the bottom of the rotary table 22, the protruding ring sleeve 221 and the rotary table 22 are disposed in one set, the driving motor 24 is fixed in a cavity formed between the installation groove 210 and the inner wall of the protruding ring sleeve 221, a power output shaft of the driving motor 24 is connected with the rotary table 22, the protruding ring sleeve 221 is disposed to prevent the rotary table 22 from tilting and shifting during rotation, and the stability of the rotary table 22 during rotation can be enhanced.
In order to make the rotary table 22 rotate smoothly, the upper end surface of the rotary table base 21 is provided with a ball groove 211, a ball 25 is disposed in the ball groove 211, and the bottom end surface of the rotary table 22 is provided with an annular ball groove 222 adapted to the ball 25.
In order to facilitate the installation of the stainless steel members 1 with different diameters, further, the plurality of clamping members 23 are uniformly distributed on the outer edge of the upper end face of the rotary workbench 22, each clamping member 23 comprises a support 231 fixed on the upper end face of the rotary workbench 22 and a screw 232 in threaded connection with the support 231, a threaded hole penetrating through the support 231 is formed in the support 231, the screw 232 is in threaded connection with the threaded hole, a clamping position of the stainless steel member 1 is formed between the end parts of the screw 232 of the plurality of clamping members 23, and the size of the clamping position can be adjusted by rotationally adjusting each screw 232, so that the stainless steel members 1 with different specifications and dimensions can be clamped.
Further, the one end that is close to the clamp position on the screw rod 232 is equipped with supports tight piece 233, through arranging stainless steel part 1 in the clamp position, revolves to twist screw rod 232, makes support tight piece 233 support tightly with the outer wall of stainless steel part 1, supports to be provided with on the tight piece 233 and supports tight gasket on being close to the terminal surface of clamp position for the installation to stainless steel part 1 is more firm.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a regulation formula stainless steel spare polishing equipment, includes revolving stage (2) that are used for installing stainless steel spare (1), locates support (3) of revolving stage (2) one side and locate cantilever (4) on support (3), its characterized in that:
an inner polishing shaft (5) used for polishing the inner wall of the stainless steel part (1) and an outer polishing shaft (6) used for polishing the outer wall of the stainless steel part (1) are arranged at one end, close to the rotating table (2), of the cantilever (4);
and a polishing channel (7) of the side wall of the stainless steel piece (1) is formed between the inner polishing shaft (5) and the outer polishing shaft (6).
2. A conditioning stainless steel polishing apparatus as recited in claim 1, wherein:
an adjusting connecting plate (41) is arranged at one end, close to the rotating table (2), of the cantilever (4);
a strip-shaped adjusting through hole (410) is formed in the adjusting connecting plate (41);
the upper end of the inner polishing shaft (5) and the upper end of the outer polishing shaft (6) penetrate through the strip-shaped adjusting through hole (410) and are respectively connected with the adjusting connecting plate (41) through fastening connecting pieces.
3. A conditioning stainless steel polishing apparatus according to claim 2, wherein:
the inner polishing shaft (5) comprises an inner polishing shaft core (51) and an inner polishing barrel (52) sleeved outside the inner polishing shaft core (51);
the outer polishing shaft (6) comprises an outer polishing shaft core (61) and an outer polishing barrel (62) sleeved outside the outer polishing shaft core (61);
the polishing channel (7) is formed between the inner polishing barrel (52) and the outer polishing barrel (62);
the upper end of the inner polishing shaft core (51) and the upper end of the outer polishing shaft core (61) penetrate through the strip-shaped adjusting through hole (410) and are respectively connected with the adjusting connecting plate (41) through adjusting nuts (8).
4. A conditioning stainless steel polishing apparatus as recited in claim 1, wherein:
the bracket (3) comprises a bracket base (31) and a vertical rod (32) fixed on the bracket base (31);
the cantilever (4) is connected with the vertical rod (32) through a bidirectional adjusting piece (9);
the bidirectional adjusting piece (9) comprises a longitudinal sleeve body (91) sleeved outside the vertical rod (32) and a transverse sleeve body (92) connected to the outer wall of the longitudinal sleeve body (91), and the transverse sleeve body (92) is sleeved outside the cantilever (4); the axis of the longitudinal sleeve body (91) is vertical to the axis of the transverse sleeve body (92);
the side wall of the longitudinal sleeve body (91) is in threaded connection with a longitudinal locking bolt member (93) for fixing the longitudinal sleeve body (91) and the vertical rod (32);
the side wall of the transverse sleeve body (92) is in threaded connection with a transverse locking bolt piece (94) used for fixing the transverse sleeve body (92) and the cantilever (4).
5. A conditioning stainless steel polishing apparatus as recited in claim 1, wherein:
the rotating platform (2) comprises a rotating platform base (21), a rotating workbench (22) rotatably arranged on the rotating platform base (21), a plurality of clamping pieces (23) which are arranged on the upper end surface of the rotating workbench (22) and used for clamping the stainless steel piece (1), and a driving motor (24) used for driving the rotating workbench (22) to rotate.
6. A conditioning stainless steel polishing apparatus according to claim 5, wherein:
an installation groove body (210) is arranged at the upper part of the rotating table base (21);
a convex ring sleeve (221) extending into the installation groove body (210) is arranged at the bottom of the rotary workbench (22);
the driving motor (24) is fixed in a cavity formed between the installation groove body (210) and the inner wall of the convex ring sleeve (221);
and a power output shaft of the driving motor (24) is connected with the rotary worktable (22).
7. The conditioning stainless steel polishing apparatus of claim 6, wherein:
the upper end surface of the rotating table base (21) is provided with a ball groove (211);
balls (25) are arranged in the ball grooves (211);
and an annular ball groove (222) matched with the ball (25) is formed in the bottom end face of the rotary workbench (22).
8. A conditioning stainless steel polishing apparatus according to claim 5, wherein:
the clamping pieces (23) are uniformly distributed on the rotary worktable (22);
the clamping piece (23) comprises a support (231) fixed on the upper end surface of the rotary workbench (22) and a screw rod (232) in threaded connection with the support (231);
the ends of the screw rods (232) of a plurality of clamping pieces (23) form clamping positions of the stainless steel piece (1).
9. The conditioning stainless steel polishing apparatus of claim 8, wherein:
and one end of the screw rod (232) close to the clamping position is provided with a propping block (233).
10. A conditioning stainless steel polishing apparatus according to claim 9, wherein:
and a propping gasket is arranged on one end surface of the propping block (233) close to the clamping position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857039.3U CN210209934U (en) | 2019-06-06 | 2019-06-06 | Regulation formula stainless steel spare polishing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857039.3U CN210209934U (en) | 2019-06-06 | 2019-06-06 | Regulation formula stainless steel spare polishing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210209934U true CN210209934U (en) | 2020-03-31 |
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ID=69930627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920857039.3U Active CN210209934U (en) | 2019-06-06 | 2019-06-06 | Regulation formula stainless steel spare polishing equipment |
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| CN (1) | CN210209934U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113305729A (en) * | 2021-07-29 | 2021-08-27 | 徐州盛和木业有限公司 | Polishing machine for rough and fine polishing of tubular workpiece |
| CN113370065A (en) * | 2021-07-19 | 2021-09-10 | 海盐猛凌汽车配件有限公司 | High-strength corrosion-resistant polishing device for inner wall of steel bushing of steering knuckle |
| CN113858019A (en) * | 2021-09-13 | 2021-12-31 | 安徽泰辰包装有限公司 | Polishing device for wine bottle cap production and working method thereof |
-
2019
- 2019-06-06 CN CN201920857039.3U patent/CN210209934U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370065A (en) * | 2021-07-19 | 2021-09-10 | 海盐猛凌汽车配件有限公司 | High-strength corrosion-resistant polishing device for inner wall of steel bushing of steering knuckle |
| CN113305729A (en) * | 2021-07-29 | 2021-08-27 | 徐州盛和木业有限公司 | Polishing machine for rough and fine polishing of tubular workpiece |
| CN113305729B (en) * | 2021-07-29 | 2021-11-02 | 徐州盛和木业有限公司 | Polishing machine for rough and fine polishing of tubular workpiece |
| CN113858019A (en) * | 2021-09-13 | 2021-12-31 | 安徽泰辰包装有限公司 | Polishing device for wine bottle cap production and working method thereof |
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