CN110216554B - Remanufacturing and repairing equipment and method for automobile brake disc - Google Patents
Remanufacturing and repairing equipment and method for automobile brake disc Download PDFInfo
- Publication number
- CN110216554B CN110216554B CN201910559429.7A CN201910559429A CN110216554B CN 110216554 B CN110216554 B CN 110216554B CN 201910559429 A CN201910559429 A CN 201910559429A CN 110216554 B CN110216554 B CN 110216554B
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- Prior art keywords
- brake disc
- repairing
- adjusting
- groove
- face
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/26—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
- B24B19/28—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads for grinding shoes or linings of drum brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to an automobile brake disc remanufacturing and repairing device which comprises a workbench, a triangular chuck, a brake disc and a repairing assembly, wherein the workbench is L-shaped, the right side of the upper end of the workbench is rotatably connected with the triangular chuck, the right end of the triangular chuck is clamped with the brake disc, the lower end face of the workbench is slidably connected with the repairing assembly, and the repairing assembly comprises a movable sliding block which is connected with a sliding groove on the right side of the workbench in a sliding fit manner. The invention can solve the following problems existing in the existing equipment for remanufacturing the brake disc when in use: the first problem is that: when the prior brake disc is remanufactured and polished by a machine tool, the brake disc needs to be sent to a machine tool processing factory for polishing, which consumes long time and is very inconvenient; when the polisher is used for polishing, the polishing angle and thickness are difficult to control; the second problem is that: during actual operation, the brake disc can be simply corrected or the unqualified part of the polished polishing disc is corrected, and the conventional polishing machine only has the polishing disc and cannot correct the brake disc.
Description
Technical Field
The invention relates to the field of remanufacturing, in particular to remanufacturing and repairing equipment and a remanufacturing and repairing method for an automobile brake disc.
Background
Remanufacturing is to make old machine equipment or parts and to make a new manufacture on the basis of the original manufacture through a special process and technology, so that the old machine equipment or the parts can revive the process of life activity again, the automobile brake disc belongs to a worn article, when the automobile brake disc has the problems that the automobile brake disc can be reused through remanufacturing, but the existing remanufacturing equipment for the brake disc has a lot of problems when in use:
the first problem is that: when the prior brake disc is remanufactured and polished by a machine tool, the brake disc needs to be sent to a machine tool processing factory for polishing, which consumes long time and is very inconvenient; when the polisher is used for polishing, the polishing angle and thickness are difficult to control;
the second problem is that: during actual operation, the brake disc can be simply corrected or the unqualified part of the polished polishing disc is corrected, and the conventional polishing machine only has the polishing disc and cannot correct the brake disc.
In view of the above-mentioned problems, no better research and practice results exist under the existing technical conditions, so that further research and practice are necessary to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme that the remanufacturing and repairing equipment for the automobile brake disc comprises a workbench, a triangular chuck, a brake disc and a repairing assembly, wherein the workbench is L-shaped, the right side of the upper end of the workbench is rotatably connected with the triangular chuck, the right end of the triangular chuck is clamped with the brake disc, and the lower end surface of the workbench is slidably connected with the repairing assembly; when the brake disc works, the brake disc is fixed through the triangular chuck.
The restoration subassembly include the removal slider of being connected with workstation right side spout sliding fit, the upper end of removing the slider is rotated through rotating the seat and is connected with the base, the left end face of base is connected with adjustment mechanism, the right-hand member of base is equipped with the recess, the inner wall is equipped with the spacing groove around the recess, recess mid-mounting has spacing post, spacing post lateral wall longitudinal symmetry is equipped with the sliding tray, the upper end of sliding tray is equipped with the switching groove, and the switching groove is ring shape, the size of switching groove is identical with the size of sliding tray, and the switching groove communicates with the sliding tray mutually, be connected with restoration mechanism through sliding fit's mode in the sliding tray.
The repairing mechanism comprises a repairing sliding block connected with the sliding groove in a sliding fit mode, when the repairing sliding block is located in the conversion groove, the lower end of the limiting strip is higher than the upper end face of the base, the right end of the repairing sliding block is provided with a supporting rod, the upper end of the supporting rod is provided with a repairing seat, the front end face and the rear end face of the repairing seat are symmetrically provided with the limiting strip, the limiting strip is connected with the limiting groove in a sliding fit mode, the lower end of the limiting strip is higher than the lower end of the supporting rod, the inner wall of the lower end of the corresponding limiting groove is higher than the inner wall of the lower end of the sliding groove, the left end face of the; during operation, the working face can be changed into a correcting disc or a polishing disc according to the use requirement.
Adjustment mechanism be equipped with threely at the left end face of base, and three adjustment mechanism is regular triangle and arranges, adjustment mechanism is including setting up the T shape hole at the base left end face, T shape downthehole joint has T shape pole, the left end threaded connection of T shape pole has the regulation pole, adjust the pole and pass the workstation through sliding fit's mode, the lateral wall longitudinal symmetry of adjusting the pole is equipped with the adjustment tank, the inside of adjustment tank has the regulation branch chain through sliding fit's mode joint.
The adjusting branch chain comprises an adjusting clamping rod which is in sliding fit and clamping connection with the adjusting groove, the adjusting clamping rod is L-shaped, the right end of the adjusting clamping rod is connected through an adjusting turntable, the adjusting turntable is mounted on the left end face of the workbench through a bearing, and a rotating rod is mounted on the left end face of the adjusting turntable; when the adjustable grinding disc is in work, the grinding disc or the straightening disc can be adjusted to a proper angle through the adjusting mechanism.
In addition, the invention also provides a use method of the automobile brake disc remanufacturing and repairing equipment, which mainly comprises the following steps:
s1, fixing a brake disc: the brake disc is fixed through the triangular chuck, so that the brake disc is firmly fixed;
s2, working surface conversion: according to actual use requirements, the repairing seat is pulled upwards and rotated by 180 degrees, so that the working surface can be selected as a polishing disc or a correcting disc;
s3, adjusting the working surface: because the base rotates with the removal slider through rotating the seat and is connected, through adjusting the length difference of adjustment lever among the adjustment mechanism, can realize the working face (make mill or correction dish) slope to can control working face (make mill or correction dish) through adjustment mechanism and arrive suitable angle and dynamics, improve the prosthetic precision of brake disc, ensure the repair effect of brake disc.
The invention has the beneficial effects that:
the invention is provided with a correcting disc and a polishing disc which are matched with each other, and can be quickly switched according to the actual use condition, so that the repair or correction work of a brake disc can be realized;
the adjusting mechanism is arranged, the adjusting mechanism can adjust the angle and the force of the polishing disc or the correcting disc, the brake disc is conveniently corrected or repaired, and the repairing precision and the repairing effect are improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
fig. 3 is a schematic enlarged view of the invention from the B direction in fig. 1.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 3, an automobile brake disc remanufacturing and repairing device comprises a workbench 1, a triangular chuck 2, a brake disc 3 and a repairing assembly 4, wherein the workbench 1 is L-shaped, the triangular chuck 2 is rotatably connected to the right side of the upper end of the workbench 1, the brake disc 3 is clamped at the right end of the triangular chuck 2, and the repairing assembly 4 is slidably connected to the lower end surface of the workbench 1; when the brake disc fixing device works, the brake disc 3 is fixed through the triangular chuck 2.
Repair subassembly 4 include the removal slider 41 of being connected with 1 right side spout sliding fit of workstation, the upper end of removing slider 41 rotates through rotating seat 42 and is connected with base 43, the left end face of base 43 is connected with adjustment mechanism 44, the right-hand member of base 43 is equipped with the recess, the front and back inner wall of recess is equipped with spacing groove 45, recess mid-mounting has spacing post 46, spacing post 46 lateral wall front and back symmetry is equipped with sliding tray 47, sliding tray 47's upper end is equipped with switch over groove 48, and switch over groove 48 is ring shape, the size of switch over groove 48 is identical with sliding tray 47's size, and switch over groove 48 is linked together with sliding tray 47, be connected with repair mechanism 49 through sliding fit's mode in the sliding tray 47.
The repairing mechanism 49 comprises a repairing slide block 491 connected with a sliding groove 47 in a sliding fit manner, when the repairing slide block 491 is positioned in a conversion groove 48, the lower end of a limit bar 494 is higher than the upper end surface of a base 43, a support rod 492 is arranged at the right end of the repairing slide block 491, a repairing seat 493 is arranged at the upper end of the support rod 492, the front end surface and the rear end surface of the repairing seat 493 are symmetrically provided with limit bars 494, the limit bars 494 are connected with the limit groove 45 in a sliding fit manner, the lower end of the limit bars 494 is higher than the lower end of the support rod 492, the inner wall of the lower end of the corresponding limit groove 45 is higher than the inner wall of the lower end of the sliding groove 47, the left end surface of the repairing seat 493 is provided with; when the repairing seat 493 is rotated 180 degrees, the correcting disc 495 and the polishing disc 496 are converted, then the repairing seat 493 is pushed downwards, the limiting strips 494 enter the limiting grooves 45, the repairing slide block 491 enters the sliding groove 47, and the repairing slide block 491 enters the sliding groove 47 and moves to the lowest end of the sliding groove 47.
The adjusting mechanisms 44 are three on the left end face of the base 43, the three adjusting mechanisms 44 are arranged in a regular triangle shape, each adjusting mechanism 44 comprises a T-shaped hole formed in the left end face of the base 43, a T-shaped rod 441 is clamped in the T-shaped hole, the left end of the T-shaped rod 441 is in threaded connection with an adjusting rod 442, the adjusting rod 442 penetrates through the workbench 1 in a sliding fit manner, adjusting grooves 443 are symmetrically formed in the upper portion and the lower portion of the side wall of the adjusting rod 442, and adjusting branched chains 5 are clamped in the adjusting grooves 443 in a sliding fit manner.
The adjusting branched chain 5 comprises an adjusting clamping rod 51 which is in sliding fit and clamping connection with the adjusting groove 443, the adjusting clamping rod 51 is L-shaped, the right end of the adjusting clamping rod 51 is connected with an adjusting turntable 52, the adjusting turntable 52 is mounted on the left end face of the workbench 1 through a bearing, and a rotating rod 53 is mounted on the left end face of the adjusting turntable 52; during operation, according to the needs of polishing or correction, adjust the working angle and the dynamics of polishing disc 496 and relative front, because three adjustment mechanism 44 is regular triangle-shaped and arranges, and base 43 rotates with removing slider 41 through rotating seat 42 and is connected, consequently just can adjust the inclination angle and the dynamics of polishing disc 496 or correction dish 495 through adjustment mechanism 44, firstly, rotate bull stick 53 and drive regulation pole 442 through adjusting kelly 51 and rotate, and adjust the pole 442 and rotate and just can change the length of adjusting pole 442, when the regulation pole 442 among three adjustment mechanism 44 is different in length, polishing disc 496 or correction dish 495 will become the tilt state, thereby can change the inclination angle of polishing disc 496 or correction dish 495 through adjustment mechanism 44, control its inclination angle and dynamics accurate, guarantee the repair accuracy of brake disc 3, make the restoration effectual.
In addition, the invention also provides a use method of the automobile brake disc remanufacturing and repairing equipment, which mainly comprises the following steps:
s1, fixing the brake disc 3: the brake disc 3 is fixed through the triangular chuck 2;
s2, working surface conversion: selecting a correcting disc 495 or a grinding disc 496 according to the remanufacturing requirement of a specific brake disc 3, pulling a repairing seat 493 upwards when the working surface needs to be switched, driving a limiting strip 494 on two sides to move upwards by the repairing seat 493, simultaneously driving a repairing slide block 491 to move upwards in a sliding groove 47 and enter a switching groove 48, separating the limiting strip 494 from the limiting groove 45 at the moment, rotating the repairing seat 493 180 degrees, switching the correcting disc 495 and the grinding disc 496, then pushing the repairing seat 493 downwards to enable the limiting strip 494 to enter the limiting groove 45, enabling the repairing slide block 491 to enter the sliding groove 47, and moving the repairing slide block 491 to the lowest end of the sliding groove 47;
s3, adjusting the working surface: according to the needs of polishing or correction, adjust the work angle and dynamics of polishing disc 496 and the positive, because three adjustment mechanism 44 are arranged in the form of regular triangle, and base 43 is connected with removal slider 41 through rotating seat 42 and rotation, consequently can adjust the inclination angle and the dynamics of polishing disc 496 or correction dish 495 through adjustment mechanism 44, at first, rotate bull stick 53 and drive regulation pole 442 through adjusting kelly 51 and rotate, and the regulation pole 442 rotates just can change the length of adjusting pole 442, when adjusting pole 442 among three adjustment mechanism 44 is different in length, polishing disc 496 or correction dish 495 will become the tilt state, thereby can change the inclination angle of polishing disc 496 or correction dish 495 through adjustment mechanism 44, control its inclination angle and dynamics are accurate, guarantee the repair precision of brake disc 3, make the restoration effectual.
The invention has been described in detail with reference to the embodiments illustrated in the drawings, and it is to be understood that variations and equivalent arrangements may be resorted to by those skilled in the art having the benefit of the teachings herein.
Claims (7)
1. The utility model provides an automobile brake disc refabrication repair equipment, includes workstation (1), triangle chuck (2), brake disc (3) and restores subassembly (4), its characterized in that: the workbench (1) is L-shaped, the right side of the upper end of the workbench (1) is rotatably connected with a triangular chuck (2), the right end of the triangular chuck (2) is clamped with a brake disc (3), and the lower end face of the workbench (1) is slidably connected with a repairing assembly (4); wherein:
the repairing assembly (4) comprises a movable sliding block (41) which is connected with a sliding groove on the right side of the workbench (1) in a sliding fit manner, the upper end of the movable sliding block (41) is rotatably connected with a base (43) through a rotating seat (42), the left end face of the base (43) is connected with an adjusting mechanism (44), the right end of the base (43) is provided with a groove, the front inner wall and the rear inner wall of the groove are provided with limiting grooves (45), the middle part of the groove is provided with a limiting column (46), the front side and the rear side of the side wall of the limiting column (46) are symmetrically provided with sliding grooves (47), the upper end of each sliding groove (47) is provided with a conversion groove (48), each conversion groove (48) is annular;
the repairing mechanism (49) comprises a repairing sliding block (491) connected with a sliding groove (47) in a sliding fit manner, a supporting rod (492) is installed at the right end of the repairing sliding block (491), a repairing seat (493) is installed at the upper end of the supporting rod (492), limiting strips (494) are symmetrically arranged on the front end face and the rear end face of the repairing seat (493), the limiting strips (494) are connected with the limiting groove (45) in a sliding fit manner, a correcting disc (495) is installed on the left end face of the repairing seat (493), and a polishing disc (496) is installed on the right end face of the repairing seat (493);
adjustment mechanism (44) including setting up the T shape hole at base (43) left end face, T shape downthehole joint has T shape pole (441), the left end threaded connection of T shape pole (441) has regulation pole (442), adjust pole (442) and pass workstation (1) through sliding fit's mode, the lateral wall of adjusting pole (442) is the symmetry from top to bottom and is equipped with adjustment tank (443), the inside joint of adjustment tank (443) has regulation branch chain (5) through sliding fit's mode.
2. The automobile brake disc remanufacturing and repairing device according to claim 1, wherein: the adjusting branched chain (5) comprises an adjusting clamping rod (51) which is in sliding fit and clamped connection with the adjusting groove (443), the adjusting clamping rod (51) is L-shaped, the right end of the adjusting clamping rod (51) is connected with an adjusting turntable (52), the adjusting turntable (52) is installed on the left end face of the workbench (1) through a bearing, and a rotating rod (53) is installed on the left end face of the adjusting turntable (52).
3. The automobile brake disc remanufacturing and repairing device according to claim 1, wherein: the lower end position of the limiting strip (494) is higher than that of the supporting rod (492), and the inner wall of the lower end of the corresponding limiting groove (45) is higher than that of the lower end of the sliding groove (47).
4. The automobile brake disc remanufacturing and repairing device according to claim 1, wherein: the size of the conversion groove (48) is matched with that of the sliding groove (47), and the conversion groove (48) is communicated with the sliding groove (47).
5. The automobile brake disc remanufacturing and repairing device according to claim 1, wherein: when the repairing slide block (491) is positioned in the conversion groove (48), the lower end of the limit strip (494) is higher than the upper end surface of the base (43).
6. The automobile brake disc remanufacturing and repairing device according to claim 1, wherein: the number of the adjusting mechanisms (44) is three on the left end face of the base (43), and the three adjusting mechanisms (44) are arranged in a regular triangle shape.
7. The automobile brake disc remanufacturing and repairing device according to claim 1, wherein: the method comprises the following use methods:
s1, fixing the brake disc (3): the brake disc (3) is fixed through the triangular chuck (2), and the brake disc (3) is firmly fixed;
s2, working surface conversion: according to actual use requirements, the repairing seat (493) is pulled upwards and rotated by 180 degrees, so that the working surface can be a polishing disc (496) or a correcting disc (495);
s3, adjusting the working surface: because base (43) rotate through rotating seat (42) and remove slider (41) and be connected, through adjusting the length difference of adjusting pole (442) in adjustment mechanism (44), can realize the working face slope to can improve the prosthetic precision of brake disc (3) through adjustment mechanism (44) control working face to suitable angle and dynamics, guarantee the repair effect of brake disc (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559429.7A CN110216554B (en) | 2019-06-26 | 2019-06-26 | Remanufacturing and repairing equipment and method for automobile brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910559429.7A CN110216554B (en) | 2019-06-26 | 2019-06-26 | Remanufacturing and repairing equipment and method for automobile brake disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110216554A CN110216554A (en) | 2019-09-10 |
| CN110216554B true CN110216554B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910559429.7A Active CN110216554B (en) | 2019-06-26 | 2019-06-26 | Remanufacturing and repairing equipment and method for automobile brake disc |
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| Country | Link |
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| CN (1) | CN110216554B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085089A (en) * | 1965-08-17 | 1967-09-27 | Sheffield Twist Drill & Steel | Improvements in twist drill grinding machines |
| CN101088706A (en) * | 2006-06-16 | 2007-12-19 | 萨特隆股份公司 | Grinding and polishing machine for grinding and/or polishing workpieces in optical quality |
| KR20130029174A (en) * | 2011-09-14 | 2013-03-22 | 희 수 황 | An angle adjusting type dressing tool |
| CN203831196U (en) * | 2014-05-27 | 2014-09-17 | 周贵英 | Chamfering machine capable of machining shafts and cubic blocks |
| CN205380540U (en) * | 2016-03-15 | 2016-07-13 | 厦门良舟化工机械有限公司 | Grinding machine with but rotating workpiece anchor clamps |
| CN206326450U (en) * | 2016-12-30 | 2017-07-14 | 商丘职业技术学院 | A kind of Ni Zhifu drill Fixture for sharpening |
| EP3149352B1 (en) * | 2015-03-25 | 2018-05-23 | ITT Italia S.r.l. | Automated finishing station for a brake pad |
| CN208713662U (en) * | 2018-09-12 | 2019-04-09 | 重庆大学 | A kind of Multi-angle polishing machine |
| CN109877692A (en) * | 2019-03-13 | 2019-06-14 | 温州大学瓯江学院 | Sanding and polishing machine |
-
2019
- 2019-06-26 CN CN201910559429.7A patent/CN110216554B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085089A (en) * | 1965-08-17 | 1967-09-27 | Sheffield Twist Drill & Steel | Improvements in twist drill grinding machines |
| CN101088706A (en) * | 2006-06-16 | 2007-12-19 | 萨特隆股份公司 | Grinding and polishing machine for grinding and/or polishing workpieces in optical quality |
| KR20130029174A (en) * | 2011-09-14 | 2013-03-22 | 희 수 황 | An angle adjusting type dressing tool |
| CN203831196U (en) * | 2014-05-27 | 2014-09-17 | 周贵英 | Chamfering machine capable of machining shafts and cubic blocks |
| EP3149352B1 (en) * | 2015-03-25 | 2018-05-23 | ITT Italia S.r.l. | Automated finishing station for a brake pad |
| CN205380540U (en) * | 2016-03-15 | 2016-07-13 | 厦门良舟化工机械有限公司 | Grinding machine with but rotating workpiece anchor clamps |
| CN206326450U (en) * | 2016-12-30 | 2017-07-14 | 商丘职业技术学院 | A kind of Ni Zhifu drill Fixture for sharpening |
| CN208713662U (en) * | 2018-09-12 | 2019-04-09 | 重庆大学 | A kind of Multi-angle polishing machine |
| CN109877692A (en) * | 2019-03-13 | 2019-06-14 | 温州大学瓯江学院 | Sanding and polishing machine |
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| CN110216554A (en) | 2019-09-10 |
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Effective date of registration: 20210507 Address after: 272600 No.4 Road, quanpu Industrial Park, Liangshan County, Jining City, Shandong Province Applicant after: SHANDONG JINSHENG AXLE MANUFACTURING Co.,Ltd. Address before: 312500 No.31 Jingshan, huishuling village, ruao Town, Xinchang County, Shaoxing City, Zhejiang Province Applicant before: Wang Jiaming |
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