CN113857503A - A kind of roller automatic chamfering equipment for medical machinery overrunning clutch - Google Patents
A kind of roller automatic chamfering equipment for medical machinery overrunning clutch Download PDFInfo
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- CN113857503A CN113857503A CN202111152644.9A CN202111152644A CN113857503A CN 113857503 A CN113857503 A CN 113857503A CN 202111152644 A CN202111152644 A CN 202111152644A CN 113857503 A CN113857503 A CN 113857503A
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- fixedly connected
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- overrunning clutch
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- rollers
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- 230000001681 protective effect Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/16—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
- B23B5/167—Tools for chamfering the ends of bars or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
本发明提供一种医疗机械超越离合器用滚柱自动化倒角设备，涉及医疗机械部件加工设备领域。该医疗机械超越离合器用滚柱自动化倒角设备，包括底座，所述底座的上表面且靠近左右侧边缘处均固定连接有竖板，所述竖板的内部固定连接有第一气缸，所述第一气缸的活动端固定连接有压力传感器，所述压力传感器的一侧固定连接有夹套，夹套的内侧壁且靠近出口边缘处固定连接有轴承，所述轴承的内圈固定连接有第二气缸，所述第二气缸的输出端固定连接有夹持件，所述夹套的内顶部且位于轴承的内侧固定连接有第四气缸。该装置结构简单合理，能很好地解决现有技术不足，有效地提高滚柱的上料夹紧效率，有利于提高倒角加工的效率。
The invention provides a roller automatic chamfering equipment for a medical machinery overrunning clutch, which relates to the field of medical machinery parts processing equipment. The automatic roller chamfering equipment for a medical mechanical overrunning clutch includes a base, a vertical plate is fixedly connected to the upper surface of the base and near the left and right side edges, and a first cylinder is fixedly connected to the inside of the vertical plate. The movable end of the first cylinder is fixedly connected with a pressure sensor, one side of the pressure sensor is fixedly connected with a jacket, the inner side wall of the jacket is fixedly connected with a bearing near the edge of the outlet, and the inner ring of the bearing is fixedly connected with a first Two cylinders, the output end of the second cylinder is fixedly connected with a clamping piece, and the inner top of the jacket and the inner side of the bearing is fixedly connected with a fourth cylinder. The device has a simple and reasonable structure, can well solve the deficiencies of the prior art, effectively improve the feeding and clamping efficiency of the rollers, and is beneficial to improving the efficiency of chamfering processing.
Description
Technical Field
The invention relates to the technical field of medical machinery part processing equipment, in particular to automatic roller chamfering equipment for an overrunning clutch of medical machinery.
Background
The overrunning clutch is a basic component which appears along with the development of mechatronics products, and is an important part for power transmission and separation functions between a prime mover and a working machine or between a driving shaft and a driven shaft in the machine. The device has a self-clutch function by utilizing the speed change of a driving part and a driven part or the change of a rotating direction, most of the prior medical machines realize the electromechanical integration, an overrunning clutch is used as an important basic component, the processing precision requirement of the overrunning clutch is higher, and especially the processing of a roller component in the overrunning clutch is more troublesome and laborious and needs chamfering.
The applicant finds that a Chinese patent discloses 'automatic chamfering equipment for a roller of an overrunning clutch of medical machinery' through retrieval when applying the invention, the application number of the equipment is '201910652254.4', the patent improves the chamfering efficiency mainly by arranging a front turning tool and a rear turning tool to chamfer two ends of the roller simultaneously, although the patent improves the chamfering processing efficiency of the roller in the specification, the time wasted in the feeding and clamping process is more, and chamfers with different shapes cannot be processed, therefore, according to the invention of the applicant, a device capable of improving the chamfering processing efficiency of the roller is invented, and the problems that the feeding and clamping process is longer in time and chamfers with different shapes cannot be processed are solved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides automatic roller chamfering equipment for an overrunning clutch of medical machinery, which solves the problems that the time of a feeding clamping process is long and chamfers of different shapes cannot be processed by arranging a first cylinder, a bevel lathe tool and a fillet lathe tool.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the automatic roller chamfering equipment for the overrunning clutch of the medical machinery comprises a base, wherein vertical plates are fixedly connected to the upper surface of the base and the positions, close to the left side edge and the right side edge, of the upper surface of the base, a first air cylinder is fixedly connected to the inner part of each vertical plate, a pressure sensor is fixedly connected to the movable end of each first air cylinder, a jacket is fixedly connected to one side of each pressure sensor, a bearing is fixedly connected to the inner side wall of each jacket and the position, close to the outlet edge, of each jacket, a second air cylinder is fixedly connected to the inner ring of each bearing, and a clamping piece is fixedly connected to the output end of each second air cylinder;
the bearing is characterized in that a fourth cylinder is fixedly connected to the inner top of the clamping sleeve and located on the inner side of the bearing, an oblique-angle turning tool is fixedly connected to the movable end of the fourth cylinder, a third cylinder is fixedly connected to the inner bottom of the clamping sleeve and located below the oblique-angle turning tool, and a fillet turning tool is fixedly connected to the movable end of the third cylinder.
Preferably, the inside of the jacket is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a plug, and the plug is positioned on the axis of the jacket.
Preferably, the inner surface of the clamping piece is fixedly connected with a protective pad, the protective pad is made of sponge, and the cross section of the clamping piece is arc-shaped.
Preferably, the bin outlet has been seted up to the side surface that presss from both sides the cover, the lower surface that presss from both sides the cover just is close to export edge fixedly connected with drainage plate, the upper surface of base just is located the below fixedly connected with collecting box of drainage plate, the quantity of bin outlet is a plurality of.
Preferably, the upper surface of the base is fixedly connected with supporting legs, and the supporting legs are far away from the upper surface of the base and fixedly connected with a fixing frame.
Preferably, the upper surface of base just is located the equal fixedly connected with brace table in left and right sides, the last fixed surface of brace table is connected with the second motor, the output fixedly connected with crank of second motor.
Preferably, the surface of the crank is movably connected with a connecting rod, and the surface of the connecting rod, which is far away from the crank, is movably connected with a movable frame through a rotating pin.
Preferably, the upper surface of base just is located the fixedly connected with pneumatic cylinder between the landing leg, the output fixedly connected with support piece of pneumatic cylinder, support piece's inside fixedly connected with electro-magnet, support piece's shape is semi-circular.
Preferably, the inside of base and be close to left side edge fixedly connected with singlechip, singlechip and first motor, second motor, first cylinder, second cylinder, third cylinder, fourth cylinder, pressure sensor, electro-magnet, pneumatic cylinder all pass through electric connection.
Preferably, the fixed frame and the movable frame are provided with grooves on the upper surfaces thereof.
The working principle is as follows: when the roller clamping device is used, the crank 18 is driven by starting the second motor 17, the connecting rod 27 is driven by the crank 18 to do periodic motion, the movable frame 25 is driven to do circular motion, the roller is driven to move by the cooperation of the movable frame 25 and the fixed frame 24, when the roller moves to the position above the supporting piece 221, the second motor 17 stops running at the moment, then the supporting piece 22 is driven to move upwards by starting the hydraulic cylinder 20, the roller is positioned by starting the electromagnet 21 and is sent to a specified position, the clamping sleeve 4 is driven to move by starting the first air cylinder 3 at the moment, pressure is generated by enabling the plug 10 to be in contact with two ends of the roller, when the pressure reaches a certain value, the pressure sensor 5 drives the second air cylinder 12 to extend through the clamping piece 13 to clamp and position the roller by electric signals, and then the first motor 6 is started to drive the plug 10 to rotate along the axis, at this moment, the turning tools of different shapes are selected according to the processing requirement, the fourth cylinder 29 is started to push the bevel turning tool 28 for processing when the bevel is required to be processed, when the arc chamfer is required to be processed, the arc turning tool 14 is pushed by starting the third cylinder 15 for processing, the scraps generated by processing can fall into the collecting box 9 through the drainage plate 8 through the discharge hole 7 to be collected, after the processing is finished, the hydraulic cylinder 20 continues to push the support piece 22 to connect the roller, the second cylinder 12 and the first cylinder 3 are contracted simultaneously, the roller is placed on the movable frame 25 by the contracting hydraulic cylinder 20, and the second motor 17 continues to operate to drive the movable frame 25 to feed.
(III) advantageous effects
The invention provides automatic roller chamfering equipment for an overrunning clutch of medical machinery. The method has the following beneficial effects:
1. the device simple structure is reasonable, can solve prior art not enough well, improves the material loading clamping efficiency of roller effectively, is favorable to improving the efficiency of chamfer processing.
2. Through setting up oblique angle lathe tool and fillet lathe tool, can process the chamfer of different shapes, be favorable to the flexibility that improve equipment used.
3. Through setting up bin outlet and drainage plate, can collect the sweeps effectively, be favorable to making things convenient for the cleaning work in later stage, improve equipment's heat dispersion simultaneously.
Drawings
FIG. 1 is a perspective view of the external structure of an automatic chamfering device for a roller of an overrunning clutch of a medical machine according to the present invention;
FIG. 2 is a front view of the internal structure of an automatic chamfering apparatus for a roller of an overrunning clutch of a medical machine according to the present invention;
FIG. 3 is a schematic view of a feeding mechanism of the roller automatic chamfering device for the overrunning clutch of the medical machine according to the present invention;
FIG. 4 is a left side view of the external structure of the roller automatic chamfering apparatus for the overrunning clutch of the medical machine according to the present invention;
fig. 5 is an enlarged view of a in fig. 2 according to the present invention.
Wherein, 1, a base; 2. a vertical plate; 3. a first cylinder; 4. a jacket; 5. a pressure sensor; 6. a first motor; 7. a discharge outlet; 8. a drainage plate; 9. a collection box; 10. a plug; 11. a bearing; 12. a second cylinder; 13. a clamping member; 14. a fillet turning tool; 15. a third cylinder; 16. a support table; 17. a second motor; 18. a crank; 19. a connecting rod; 20. a hydraulic cylinder; 21. an electromagnet; 22. a support member; 23. a protective pad; 24. a fixed mount; 25. a movable frame; 26. rotating the pin; 27. a support leg; 28. a bevel turning tool; 29. a fourth cylinder; 30. and a single chip microcomputer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-5, an embodiment of the present invention provides an automatic chamfering apparatus for a roller of an overrunning clutch of a medical machine, including a base 1, a vertical plate 2 fixedly connected to an upper surface of the base 1 near left and right side edges, a first cylinder 3 fixedly connected to an inside of the vertical plate 2, a pressure sensor 5 fixedly connected to a movable end of the first cylinder 3, a jacket 4 fixedly connected to one side of the pressure sensor 5, a bearing 11 fixedly connected to an inner side wall of the jacket 4 near an outlet edge, a second cylinder 12 fixedly connected to an inner ring of the bearing 11, a clamping member 13 fixedly connected to an output end of the second cylinder 12, a first motor 6 fixedly connected to an inside of the jacket 4, a plug 10 fixedly connected to an output end of the first motor 6, the plug 10 located on an axis of the jacket 4, a protection pad 23 fixedly connected to an inner surface of the clamping member 13, the protection pad 23 made of a sponge material, the cross section of the clamping piece 13 is arc-shaped, so that the clamping efficiency of the roller is conveniently improved, the chamfering processing efficiency of the roller is further improved, and the production cost is favorably reduced;
the inboard fixedly connected with fourth cylinder 29 that presss from both sides the interior top of cover 4 and be located bearing 11, the expansion end fixedly connected with oblique angle lathe tool 28 of fourth cylinder 29, the interior bottom that presss from both sides cover 4 and the below fixedly connected with third cylinder 15 that is located oblique angle lathe tool 28, the expansion end fixedly connected with fillet lathe tool 14 of third cylinder 15 plays the chamfer of conveniently processing different shapes, has improved the flexibility that equipment used widely, is favorable to improve equipment's practicality.
Preferably, press from both sides the side surface of cover 4 and seted up bin outlet 7, press from both sides the lower surface of cover 4 and be close to exit edge fixedly connected with drainage plate 8, base 1's upper surface just is located drainage plate 8's below fixedly connected with collecting box 9, and the quantity of bin outlet 7 is a plurality of, plays the effect of the sweeps that convenient discharge processing produced, improves the heat dispersion of equipment simultaneously, is favorable to guaranteeing the normal operating of equipment.
Preferably, the upper surface of the base 1 is fixedly connected with a supporting leg 27, and the supporting leg 27 is fixedly connected with a fixing frame 24 far away from the upper surface of the base 1, so that the roller is conveniently stored and conveyed.
Preferably, the upper surface of the base 1 is fixedly connected with the supporting tables 16 on the left side and the right side, the upper surface of the supporting tables 16 is fixedly connected with the second motor 17, the output end of the second motor 17 is fixedly connected with the crank 18, the effect of conveniently utilizing the intermittent periodic working characteristics of the crank 18 is achieved, the second motor 17 works intermittently, and the intermittent time can be adjusted according to the processing requirements.
Preferably, a connecting rod 19 is movably connected to the surface of the crank 18, and a movable frame 25 is movably connected to the surface of the connecting rod 19 away from the crank 18 through a rotating pin 26, so that the roller is conveyed by utilizing the characteristic of intermittent operation of the crank 18.
Preferably, the upper surface of base 1 just is located fixedly connected with pneumatic cylinder 20 between landing leg 27, and the output end fixedly connected with support piece 22 of pneumatic cylinder 20, the inside fixedly connected with electro-magnet 21 of support piece 22, and support piece 22's shape is semi-circular, plays the effect that conveniently supports the material loading.
Preferably, the inside of base 1 just is close to left side edge fixedly connected with singlechip 30, and singlechip 30 all passes through electric connection with first motor 6, second motor 17, first cylinder 3, second cylinder 12, third cylinder 15, fourth cylinder 29, pressure sensor 5, electro-magnet 21, pneumatic cylinder 20, plays the effect that makes things convenient for controlgear normal operating.
Preferably, the fixed frame 24 and the movable frame 25 are provided with grooves on the upper surfaces thereof, so that the rollers are conveniently limited.
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 (10)
1. The utility model provides an automatic chamfer equipment of roller for medical machinery freewheel clutch, includes base (1), its characterized in that: the upper surface of the base (1) and the positions close to the left side edge and the right side edge are fixedly connected with vertical plates (2), a first air cylinder (3) is fixedly connected inside the vertical plates (2), a pressure sensor (5) is fixedly connected with the movable end of the first air cylinder (3), a jacket (4) is fixedly connected to one side of the pressure sensor (5), a bearing (11) is fixedly connected to the inner side wall of the jacket (4) and the position close to the outlet edge, a second air cylinder (12) is fixedly connected to the inner ring of the bearing (11), and a clamping piece (13) is fixedly connected to the output end of the second air cylinder (12);
the bearing is characterized in that the inner top of the clamping sleeve (4) is fixedly connected with a fourth cylinder (29) on the inner side of the bearing (11), a bevel turning tool (28) is fixedly connected with the movable end of the fourth cylinder (29), a third cylinder (15) is fixedly connected with the inner bottom of the clamping sleeve (4) and is located below the bevel turning tool (28), and a fillet turning tool (14) is fixedly connected with the movable end of the third cylinder (15).
2. The automatic chamfering device for the rollers of the overrunning clutch of the medical machine according to claim 1, wherein: the inner part of the jacket (4) is fixedly connected with a first motor (6), the output end of the first motor (6) is fixedly connected with a plug (10), and the plug (10) is positioned on the axis of the jacket (4).
3. The automatic chamfering device for the rollers of the overrunning clutch of the medical machine according to claim 1, wherein: the inner surface of the clamping piece (13) is fixedly connected with a protective pad (23), the protective pad (23) is made of sponge, and the cross section of the clamping piece (13) is arc-shaped.
4. The automatic chamfering device for the rollers of the overrunning clutch of the medical machine according to claim 1, wherein: discharge gate (7) have been seted up to the side surface that presss from both sides cover (4), the lower surface that presss from both sides cover (4) just is close to export edge fixedly connected with drainage plate (8), the upper surface of base (1) just is located below fixedly connected with collecting box (9) of drainage plate (8), the quantity of discharge gate (7) is a plurality of.
5. The automatic chamfering device for the rollers of the overrunning clutch of the medical machine according to claim 1, wherein: the upper surface of base (1) fixed connection has landing leg (27), the upper surface fixed connection that base (1) was kept away from in landing leg (27) has mount (24).
6. The automatic chamfering device for the rollers of the overrunning clutch of the medical machine according to claim 1, wherein: the upper surface of base (1) just is located the equal fixedly connected with brace table (16) in left and right sides, the last fixed surface of brace table (16) is connected with second motor (17), the output fixedly connected with crank (18) of second motor (17).
7. The automatic chamfering device for the rollers of the overrunning clutch of the medical machine according to claim 6, wherein: the surface of the crank (18) is movably connected with a connecting rod (19), and the surface of the connecting rod (19) far away from the crank (18) is movably connected with a movable frame (25) through a rotating pin (26).
8. The automatic chamfering device for the rollers of the overrunning clutch of the medical machine according to claim 1, wherein: the upper surface of base (1) just is located fixedly connected with pneumatic cylinder (20) between landing leg (27), the output fixedly connected with support piece (22) of pneumatic cylinder (20), the inside fixedly connected with electro-magnet (21) of support piece (22), the shape of support piece (22) is semi-circular.
9. The automatic chamfering device for the rollers of the overrunning clutch of the medical machine according to claim 1, wherein: the novel hydraulic cylinder is characterized in that a single-chip microcomputer (30) is fixedly connected to the inner portion of the base (1) and close to the edge of the left side, and the single-chip microcomputer (30) is electrically connected with a first motor (6), a second motor (17), a first cylinder (3), a second cylinder (12), a third cylinder (15), a fourth cylinder (29), a pressure sensor (5), an electromagnet (21) and a hydraulic cylinder (20).
10. The automatic chamfering device for the rollers of the overrunning clutch of the medical machine according to claim 1, wherein: the upper surfaces of the fixed frame (24) and the movable frame (25) are provided with grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152644.9A CN113857503A (en) | 2021-09-29 | 2021-09-29 | A kind of roller automatic chamfering equipment for medical machinery overrunning clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152644.9A CN113857503A (en) | 2021-09-29 | 2021-09-29 | A kind of roller automatic chamfering equipment for medical machinery overrunning clutch |
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| Publication Number | Publication Date |
|---|---|
| CN113857503A true CN113857503A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111152644.9A Pending CN113857503A (en) | 2021-09-29 | 2021-09-29 | A kind of roller automatic chamfering equipment for medical machinery overrunning clutch |
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| CN (1) | CN113857503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119304216A (en) * | 2024-12-16 | 2025-01-14 | 杭州瑞盛电气有限公司 | A positioning turning device for iron accessories |
-
2021
- 2021-09-29 CN CN202111152644.9A patent/CN113857503A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119304216A (en) * | 2024-12-16 | 2025-01-14 | 杭州瑞盛电气有限公司 | A positioning turning device for iron accessories |
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Application publication date: 20211231 |