CN116787207A - Feeding and discharging clamping assembly of turning and milling composite machine tool - Google Patents
Feeding and discharging clamping assembly of turning and milling composite machine tool Download PDFInfo
- Publication number
- CN116787207A CN116787207A CN202311081125.7A CN202311081125A CN116787207A CN 116787207 A CN116787207 A CN 116787207A CN 202311081125 A CN202311081125 A CN 202311081125A CN 116787207 A CN116787207 A CN 116787207A
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- seat
- clamping
- fixedly connected
- assembly
- machine tool
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- 238000003801 milling Methods 0.000 title claims abstract description 27
- 238000007514 turning Methods 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title claims description 20
- 238000007599 discharging Methods 0.000 title claims description 3
- 238000013519 translation Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a loading and unloading clamping assembly of a turning and milling compound machine tool, which relates to the technical field of machine tool processing and comprises a base, wherein the top end of the base is provided with a translation pushing assembly, the translation pushing assembly is connected with a sliding seat, the top end of the sliding seat is fixedly connected with a rotating seat, the top end of the rotating seat is coaxially and fixedly connected with a rotating disc, the top end of the rotating disc is fixedly provided with a clamping assembly, and the rotating seat is connected with a unidirectional rotation driving mechanism; the translation pushing-out assembly comprises a movable seat fixedly arranged at the bottom end of the sliding seat, a shift driving motor is fixedly arranged at one end of the top of the base, and an output shaft of the shift driving motor is coaxially and fixedly connected with a translation driving screw rod.
Description
Technical Field
The invention relates to the technical field of machine tool machining, in particular to a loading and unloading clamping assembly of a turning and milling composite machine tool.
Background
In conventional machining processes, turning, grinding, milling, etc. are typically performed on different machine tools. The turning is mainly used for processing revolving body parts such as shafts, sleeves and the like; grinding is mainly used for improving the surface finish of parts; milling is used for machining parts with complex shapes such as planes, grooves and the like. The processing processes are respectively carried out on different machine tools, so that not only a large amount of machine tool resources are occupied, but also the processing efficiency is low. With the development of manufacturing industry, the requirement of mechanical machining is also higher and higher, and the machining requirement of complex parts cannot be met by a single-function machine tool. Therefore, a compound machine tool capable of simultaneously completing a plurality of processing tasks becomes a development trend of the industry, and a turning and milling compound machine tool is a typical representative.
However, when the existing turning and milling composite machine tool is used for processing a workpiece, autonomous and rapid unloading cannot be realized, so that more time is consumed for loading and unloading, and the processing efficiency is affected, and therefore, the improvement is needed.
Disclosure of Invention
The invention provides a loading and unloading clamping assembly of a turning and milling compound machine tool, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the loading and unloading clamping assembly of the turning and milling compound machine tool comprises a base, wherein a translation pushing-out assembly is arranged at the top end of the base and connected with a sliding seat, the top end of the sliding seat is fixedly connected with a rotating seat, the top end of the rotating seat is coaxially and fixedly connected with a rotary table, the top end of the rotary table is fixedly provided with a clamping assembly, and the rotating seat is connected with a unidirectional rotation driving mechanism;
the translation pushing-out assembly comprises a movable seat fixedly arranged at the bottom end of the sliding seat, a displacement driving motor is fixedly arranged at one end of the top of the base, an output shaft of the displacement driving motor is coaxially and fixedly connected with a translation driving screw rod, and the translation driving screw rod penetrates through the movable seat and is in threaded connection with the movable seat;
the outside of carousel is equipped with annular tooth, and unidirectional rotation actuating mechanism is including setting up in the ratch of carousel one side, and the ratch is connected with annular tooth meshing, one side of ratch is connected with the shift drive assembly, and shift drive assembly is including fixing the end seat that sets up in base one end, the fixed cover that is equipped with in top of end seat, sliding connection has the movable block in the fixed cover, and the one end and the movable block fixed connection of ratch, one side fixedly connected with translation board of movable block, the fixed cover that resets that is equipped with in the top of end seat, the tip fixedly connected with reset spring in the cover that resets, one side that the movable block was kept away from to the translation board extend to in the cover that resets and with reset spring fixed connection, shift drive screw keeps away from the coaxial fixedly connected with tip gear of one end of shift drive motor, the fixed drive tooth section that is equipped with meshes with tip gear in top of translation board.
As a preferable technical scheme of the invention, the clamping assembly comprises a top box fixedly arranged at the top end of the turntable, clamping mechanisms are arranged on two sides in the top box, and a clamping driving mechanism for driving the clamping mechanisms is arranged in the top box.
As a preferable technical scheme of the invention, the clamping mechanism comprises a plurality of slide ways which are arranged on the side edge of the top box, and each slide way is connected with a clamping seat in a sliding manner.
As a preferable technical scheme of the invention, the clamping driving mechanism comprises a top frame fixedly arranged at the top of the top box, the top end of the top frame is fixedly connected with a clamping driving motor, an output shaft of the clamping driving motor penetrates through the top frame and is fixedly connected with a rotating rod, the bottom end of the rotating rod is coaxially and fixedly connected with a driving gear, two sides of the driving gear are respectively meshed with a first driven gear, the first driven gear is coaxially and fixedly connected with a driven rotating shaft, the driven rotating shaft is rotatably connected with the inner wall of the top box, the outer part of the driven rotating shaft is coaxially and fixedly connected with a second driven gear, a clamping seat is fixedly connected with a moving block at one side in the top box, a clamping driving screw rod penetrates through and is in threaded connection with the moving block, and one end of the clamping driving screw rod is coaxially and fixedly connected with a third driven gear which is meshed with the third driven gear.
As a preferable technical scheme of the invention, the driving gear and the first driven gear are bevel gears, the inner wall of the top box is fixedly provided with a mounting seat, and one end of the clamping driving screw far away from the third driven gear is rotationally connected with the mounting seat.
As a preferable technical scheme of the invention, the two ends of the top of the base are fixedly connected with guide rails, and the sliding seat is in sliding connection with the guide rails.
As a preferable technical scheme of the invention, a plurality of guide rods are fixedly arranged in the fixed sleeve, and a plurality of wire rods penetrate through the movable block and are connected with the movable block in a sliding manner.
The invention has the following advantages: according to the invention, the translational push-out assembly is arranged to push out the workpiece after the workpiece is processed, the unidirectional rotation driving mechanism is arranged to realize rotation displacement in the process of pushing out the workpiece, and the clamping assembly is used to realize automatic unloading of the processed part and feeding clamping of the unprocessed part, so that the machining efficiency of the workpiece can be effectively improved.
Drawings
Fig. 1 is a schematic view of a left side three-dimensional structure of a loading and unloading clamping assembly of a turning and milling composite machine tool.
Fig. 2 is a right side perspective view of a loading and unloading clamping assembly of the turning and milling composite machine tool.
Fig. 3 is a schematic perspective sectional structure view of a loading and unloading clamping assembly of the turning and milling composite machine tool.
Fig. 4 is a schematic structural view of a clamping assembly in a loading and unloading clamping assembly of a turning and milling composite machine tool.
Fig. 5 is a schematic perspective sectional structure of a clamping assembly in a loading and unloading clamping assembly of a turning and milling composite machine tool.
Fig. 6 is a schematic structural view of a unidirectional rotation driving mechanism in a loading and unloading clamping assembly of a turning and milling composite machine tool.
In the figure: 1. a base; 2. a guide rail; 3. a slide; 4. a turntable; 5. a top box; 6. a displacement drive assembly; 7. a toothed bar; 8. translating the drive screw; 9. a shift driving motor; 10. a movable seat; 11. a rotating seat; 12. a clamping driving mechanism; 13. a slideway; 14. a clamping seat; 15. a top frame; 16. clamping a driving motor; 17. a rotating lever; 18. a drive gear; 19. a first driven gear; 20. a passive spindle; 21. a second driven gear; 22. a third driven gear; 23. clamping the driving screw; 24. a mounting base; 25. a moving block; 26. an end seat; 27. a fixed sleeve; 28. a movable block; 29. a guide rod; 30. a translation plate; 31. a driving tooth section; 32. an end gear; 33. and resetting the sleeve.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-6, a loading and unloading clamping assembly of a turning and milling composite machine tool comprises a base 1, wherein the turning and milling composite machining assembly is arranged on the base 1, the turning and milling composite machining assembly is existing equipment, a translation pushing assembly is arranged at the top end of the base 1, the translation pushing assembly is connected with a sliding seat 3, the top end of the sliding seat 3 is fixedly connected with a rotating seat 11, a turntable 4 is coaxially and fixedly connected with the top end of the rotating seat 11, a clamping assembly is fixedly arranged at the top end of the turntable 4 and used for clamping a workpiece, then the clamped workpiece is machined by the turning and milling composite machining assembly, and the rotating seat 11 is connected with a unidirectional rotation driving mechanism;
the translation pushing-out assembly comprises a movable seat 10 fixedly arranged at the bottom end of the sliding seat 3, a displacement driving motor 9 is fixedly arranged at one end of the top of the base 1, an output shaft of the displacement driving motor 9 is coaxially and fixedly connected with a translation driving screw rod 8, and the translation driving screw rod 8 penetrates through the movable seat 10 and is in threaded connection with the movable seat 10;
the outside of carousel 4 is equipped with annular tooth, and unidirectional rotation actuating mechanism is including setting up in the ratch 7 of carousel 4 one side, ratch 7 and annular tooth meshing are connected, one side of ratch 7 is connected with shift drive assembly 6, shift drive assembly 6 is including fixing the end seat 26 that sets up in base 1 one end, the fixed cover 27 that is equipped with in the top of end seat 26, sliding connection has movable block 28 in the fixed cover 27, the one end and the movable block 28 fixed connection of ratch 7, one side fixedly connected with translation board 30 of movable block 28, the fixed cover 33 that is equipped with in top of end seat 26, the tip fixedly connected with reset spring in the cover 33 that resets, one side that translation board 30 kept away from movable block 28 extends to in the reset cover 33 and with reset spring fixed connection, shift drive screw 8 keeps away from shift drive motor 9's one end coaxial fixedly connected with end gear 32, the fixed drive tooth section 31 that meshes with end gear 32 that is equipped with in the top of translation board 30.
The clamping assembly comprises a top box 5 fixedly arranged at the top end of the turntable 4, clamping mechanisms are arranged on two sides in the top box 5, and a clamping driving mechanism 12 for driving the clamping mechanisms is arranged in the top box 5.
The clamping mechanism comprises a plurality of slide ways 13 which are arranged on the side edge of the top box 5, and each slide way 13 is connected with a clamping seat 14 in a sliding manner.
The clamping driving mechanism 12 comprises a top frame 15 fixedly arranged at the top of the top box 5, a clamping driving motor 16 is fixedly connected to the top end of the top frame 15, an output shaft of the clamping driving motor 16 penetrates through the top frame 15 and is fixedly connected with a rotating rod 17, a driving gear 18 is coaxially and fixedly connected to the bottom end of the rotating rod 17, first driven gears 19 are meshed with two sides of the driving gear 18, driven shafts 20 are coaxially and fixedly connected to the first driven gears 19, the driven shafts 20 are rotatably connected with the inner wall of the top box 5, second driven gears 21 are coaxially and fixedly connected to the outer portion of the driven shafts 20, a moving block 25 is fixedly connected to one side of the clamping seat 14 located in the top box 5, a clamping driving screw 23 penetrates through the moving block 25 and is in threaded connection with the moving block, one end of the clamping driving screw 23 is coaxially and fixedly connected with a third driven gear 22, and the second driven gears 21 are meshed with the third driven gears 22.
The driving gear 18 and the first driven gear 19 are bevel gears, an installation seat 24 is fixedly arranged on the inner wall of the top box 5, and one end, far away from the third driven gear 22, of the clamping driving screw 23 is rotatably connected with the installation seat 24.
The two ends of the top of the base 1 are fixedly connected with guide rails 2, and the sliding seat 3 is in sliding connection with the guide rails 2.
The fixed sleeve 27 is internally and fixedly provided with a plurality of guide rods 29, and a plurality of wire rods penetrate through the movable block 28 and are in sliding connection with the movable block.
After the machining of the workpiece is finished, the shifting driving motor 9 is controlled to start to drive the translation driving screw 8 to rotate, and then the moving seat 10 is driven to move, the moving seat 10 drives the sliding seat 3, the rotating seat 11, the rotary table 4 and the top box 5 to move, in the process, annular teeth outside the rotating seat 11 are meshed with the toothed bar 7, and the rotating seat 11 drives the rotary table 4 and the top box 5 to rotate until the machined workpiece is opposite to the machining equipment;
then the clamping driving motor 16 is controlled to start, the clamping driving motor 16 drives the rotating rod 17 to rotate, so that the driving gear 18 is driven to rotate, the driving gear 18 drives the two first driven gears 19 to rotate under the meshing action, the two first driven gears 19 rotate in opposite directions, so that the driven rotating shaft 20 and the second driven gear 21 are driven to rotate, the second driven gear 21 drives the third driven gear 22 to rotate, so that the clamping driving screw 23 rotates, and as the rotating directions of the clamping driving screws 23 on two sides of the top box 5 are opposite, one side of the top box 5 is enabled to carry out clamping work, the other side is enabled to carry out unloading work, at the moment, the machined workpiece is completely unloaded, and clamping loading of the unprocessed workpiece is realized from the other side of the top box 5;
after loading and unloading are finished, the shift driving motor 9 is controlled to be reversely started to drive the translation driving screw 8 to reversely rotate, and the end gear 32 is meshed with the driving tooth section 31, so that the translation plate 30 is driven to move, and the movable block 28 and the toothed bar 7 are driven to move, so that the toothed bar 7 is not meshed with the annular teeth outside the rotating seat 11 in the process that the top box 5 drives the workpiece to move to the processing area.
Furthermore, during the movement of the top case 5 close to the end seat 26, the end gear 32 pushes the driving tooth segment 31, and the driving tooth segment 31 is entirely located at one side of the end gear 32, so that the rack bar 7 can be maintained in engagement with the annular teeth outside the rotary seat 11.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments.
Claims (7)
1. The loading and unloading clamping assembly of the turning and milling compound machine tool comprises a base (1) and is characterized in that a translation pushing assembly is arranged at the top end of the base (1), the translation pushing assembly is connected with a sliding seat (3), the top end of the sliding seat (3) is fixedly connected with a rotating seat (11), the top end of the rotating seat (11) is coaxially and fixedly connected with a rotary table (4), the top end of the rotary table (4) is fixedly provided with a clamping assembly, and the rotating seat (11) is connected with a unidirectional rotation driving mechanism;
the translation pushing-out assembly comprises a movable seat (10) fixedly arranged at the bottom end of the sliding seat (3), a displacement driving motor (9) is fixedly arranged at one end of the top of the base (1), an output shaft of the displacement driving motor (9) is fixedly connected with a translation driving screw rod (8) coaxially, and the translation driving screw rod (8) penetrates through the movable seat (10) and is in threaded connection with the movable seat;
the outside of carousel (4) is equipped with annular tooth, and unidirectional rotation actuating mechanism is including setting up in rack bar (7) of carousel (4) one side, rack bar (7) are connected with annular tooth meshing, one side of rack bar (7) is connected with shift drive assembly (6), shift drive assembly (6) including fixed end seat (26) that set up in base (1) one end, the fixed cover (27) that is equipped with in top of end seat (26), sliding connection has movable block (28) in fixed cover (27), one end and movable block (28) fixed connection of rack bar (7), one side fixedly connected with translation board (30) of movable block (28), the fixed cover (33) that is equipped with in top of end seat (26), the tip fixedly connected with reset spring in reset cover (33), one side that translation board (30) kept away from movable block (28) extends to in reset cover (33) and with reset spring fixed connection, the one end coaxial fixedly connected with tip gear (32) of shift drive motor (9) is kept away from in translation drive screw (8), the tip fixedly is equipped with drive section (31) that meshes with tip gear (32).
2. The loading and unloading clamping assembly of the turning and milling composite machine tool according to claim 1, wherein the clamping assembly comprises a top box (5) fixedly arranged at the top end of the turntable (4), clamping mechanisms are arranged on two sides in the top box (5), and a clamping driving mechanism (12) for driving the clamping mechanisms is arranged in the top box (5).
3. The loading and unloading clamping assembly of the turning and milling composite machine tool according to claim 2, wherein the clamping mechanism comprises a plurality of slide ways (13) arranged on the side edge of the top box (5), and a clamping seat (14) is slidably connected to each slide way (13).
4. The feeding and discharging clamping assembly of the turning and milling composite machine tool according to claim 3, wherein the clamping driving mechanism (12) comprises a top frame (15) fixedly arranged at the top of the top box (5), a clamping driving motor (16) is fixedly connected to the top end of the top frame (15), an output shaft of the clamping driving motor (16) penetrates through the top frame (15) and is fixedly connected with a rotating rod (17), a driving gear (18) is coaxially and fixedly connected to the bottom end of the rotating rod (17), first driven gears (19) are meshed with two sides of the driving gear (18), first driven gears (19) are coaxially and fixedly connected with a driven rotating shaft (20), the driven rotating shaft (20) is rotatably connected with the inner wall of the top box (5), a second driven gear (21) is coaxially and fixedly connected to the outer portion of the driven rotating shaft (20), a moving block (25) is fixedly connected to one side of the clamping seat (14) located in the top box (5), a clamping driving screw (23) penetrates through and is in threaded connection with the moving block (25), one end of the clamping driving screw (23) is coaxially and fixedly connected with a third driven gear (22), and the third driven gear (22) is meshed with the third driven gear (22).
5. The loading and unloading clamping assembly of the turning and milling composite machine tool according to claim 4, wherein the driving gear (18) and the first driven gear (19) are bevel gears, an installation seat (24) is fixedly arranged on the inner wall of the top box (5), and one end, far away from the third driven gear (22), of the clamping driving screw (23) is rotationally connected with the installation seat (24).
6. The loading and unloading clamping assembly of the turning and milling composite machine tool according to claim 1, wherein guide rails (2) are fixedly connected to two ends of the top of the base (1), and the sliding seat (3) is in sliding connection with the guide rails (2).
7. The loading and unloading clamping assembly of the turning and milling composite machine tool according to claim 1, wherein a plurality of guide rods (29) are fixedly arranged in the fixed sleeve (27), and the plurality of guide rods penetrate through the movable block (28) and are in sliding connection with the movable block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311081125.7A CN116787207B (en) | 2023-08-25 | 2023-08-25 | Feeding and discharging clamping assembly of turning and milling composite machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311081125.7A CN116787207B (en) | 2023-08-25 | 2023-08-25 | Feeding and discharging clamping assembly of turning and milling composite machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116787207A true CN116787207A (en) | 2023-09-22 |
| CN116787207B CN116787207B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311081125.7A Active CN116787207B (en) | 2023-08-25 | 2023-08-25 | Feeding and discharging clamping assembly of turning and milling composite machine tool |
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| CN (1) | CN116787207B (en) |
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| JPH0899242A (en) * | 1994-09-29 | 1996-04-16 | Kitamura Mach Co Ltd | Machine tool for combined working |
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| CN109702489A (en) * | 2019-02-26 | 2019-05-03 | 浙江平川智能装备股份有限公司 | A kind of aluminium wheels Full-automatic cutting brill all-in-one machine |
| CN110936172A (en) * | 2019-12-19 | 2020-03-31 | 湖州飞祥智能办公设备股份有限公司 | Multi-station plate arc edge cutting and grinding integrated machining device |
| CN211192877U (en) * | 2019-11-29 | 2020-08-07 | 贵州航兴凯宏机械有限公司 | Numerical control turning and milling composite machine tool |
| CN217344639U (en) * | 2022-02-10 | 2022-09-02 | 昆山麦普恩精密组件有限公司 | Automatic feeding device for precise hardware fitting machining drilling machine |
| CN218051328U (en) * | 2022-08-19 | 2022-12-16 | 江苏德速智能机械股份有限公司 | Horizontal five-axis linkage machining center machine tool with double rotary working tables |
| CN218592428U (en) * | 2022-09-01 | 2023-03-10 | 浙江合信数控机床股份有限公司 | Automatic loading and unloading device of positioning-free numerical control machine tool |
| CN219403844U (en) * | 2023-04-20 | 2023-07-25 | 合肥瑞邦机械模具有限公司 | Adjustable moving structure of grinding machine |
| CN116572036A (en) * | 2023-06-29 | 2023-08-11 | 江苏江顺精密科技集团股份有限公司 | Hot extrusion die steel sawing positioning assembly and application method thereof |
-
2023
- 2023-08-25 CN CN202311081125.7A patent/CN116787207B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0899242A (en) * | 1994-09-29 | 1996-04-16 | Kitamura Mach Co Ltd | Machine tool for combined working |
| CN108453554A (en) * | 2018-05-22 | 2018-08-28 | 浙江双正机床有限公司 | A kind of two-way system of processing of lathe |
| CN109702489A (en) * | 2019-02-26 | 2019-05-03 | 浙江平川智能装备股份有限公司 | A kind of aluminium wheels Full-automatic cutting brill all-in-one machine |
| CN211192877U (en) * | 2019-11-29 | 2020-08-07 | 贵州航兴凯宏机械有限公司 | Numerical control turning and milling composite machine tool |
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| CN217344639U (en) * | 2022-02-10 | 2022-09-02 | 昆山麦普恩精密组件有限公司 | Automatic feeding device for precise hardware fitting machining drilling machine |
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| CN116787207B (en) | 2023-11-03 |
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