Turnover processing equipment for multi-size flexible circuit board
By designing a multi-size flexible circuit board flipping processing equipment, and using a robotic arm, suction cup storage station, and flipping processing mechanism, rapid suction cup replacement and multi-size positioning are achieved, solving the problem of low efficiency in flexible circuit board flipping processing and improving the applicability and processing efficiency of the equipment.
Patent Information
- Application Number
- CN202422807696.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-18
AI Technical Summary
Existing technologies are difficult to efficiently adapt to the flipping process of flexible circuit boards of different sizes and types, especially in mass automated production, where the low efficiency of vacuum chuck replacement affects processing efficiency.
Design a multi-size flexible circuit board flipping processing equipment, including a robotic arm, a suction cup storage station, a conveying mechanism and a flipping processing mechanism. Quick-change connectors and positioning frames are used to realize quick replacement of suction cups and multi-size adaptive positioning of flexible circuit boards.
It improves the efficiency of flexible circuit board flipping processing and the applicability of the equipment, reduces the internal space occupied by the equipment, avoids damage to the circuit board, and improves the adaptability of the workbench.
Smart Images

Figure CN223584418U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the flexible circuit board processing field especially relates to a multi -size flexible circuit board turn -over processing equipment. BACKGROUND
[0002] Flexible circuit board is with flexible insulating base material makes the printed circuit, its texture light and thin, the need of electron product to high density, miniaturization, high reliability direction development is suitable. Because flexible circuit board is very light and thin, therefore, usually in its processing transportation process usually will adopt vacuum adsorption structure, such as sucking disc. However, in the mass production process, for improving efficiency and equipment utilization, the same equipment usually needs to adapt to different sizes and types of flexible circuit board processing. However, vacuum sucking disc usually adopts a plurality of vacuum suction nozzles arranged on its bottom to adsorb flexible circuit board, therefore, for different sizes and flexible circuit board with different printed circuit structure, need to design different vacuum sucking disc, need to improve the sucking disc replacement efficiency to ensure the working efficiency when the multi -size flexible circuit board synchronous processing.
[0003] Because vacuum suction nozzle usually adsorbs on the back of flexible circuit board, therefore, usually need to carry out turn -over processing to flexible circuit board before processing, in addition, in some prior art, for further improving the integration of flexible circuit board, will carry out double -sided processing to flexible circuit board. In order to adapt to the turn -over processing requirement of flexible circuit board, need to provide the processing equipment with flexible circuit board turn -over device, at the same time, for expanding the application range of the equipment, the turn -over device also needs to adapt to different sizes of flexible circuit board. UTILITY MODEL CONTENTS
[0004] Therefore, to solve the above problems, the utility model provides a multi -size flexible circuit board turn -over processing equipment.
[0005] The utility model is realized through the following technical schemes:
[0006] A multi -size flexible circuit board turn -over processing equipment, including mechanical arm, sucking disc storage station, conveying mechanism and turn -over processing mechanism,
[0007] The mechanical arm includes the first lifting mechanism of translation along x -axis and y -axis direction, the first lifting mechanism drives the first quick -change connector to translate up and down,
[0008] The sucking disc storage station is placed with the sucking disc suitable for different sizes of flexible circuit board, and the top of each sucking disc is provided with the second quick -change connector matched with the first quick -change connector,
[0009] The turnover processing mechanism comprises a worktable for placing the flexible circuit board to be processed and a turnover device arranged on one side of the worktable, and a sliding rail is further arranged between the worktable and the turnover device, the worktable is in sliding connection with the sliding rail, and positioning suction accessories are arranged on both sides of the worktable in a liftable manner, the turnover device comprises a turnover plate, the turnover plate is higher than the worktable, two positioning frame members are telescopically arranged on both sides of the turnover plate in a relatively translatable manner, each positioning frame member comprises a positioning hole, and the height of the positioning hole is greater than or equal to the sum of the thicknesses of the turnover plate and the flexible circuit board.
[0010] Preferably, the conveying mechanism comprises feeding conveying mechanisms and discharging conveying mechanisms arranged on both sides of the turnover processing mechanism, the feeding conveying mechanisms and the discharging conveying mechanisms each comprise two conveying belts arranged in parallel, and a carrier plate is arranged between the two conveying belts.
[0011] Preferably, the first quick-change connector comprises a base and a connecting piece coaxially arranged at the bottom of the base, a cavity is arranged in the base, a pneumatic interface is connected to the outer periphery of the cavity, a gas expansion piece is arranged in the connecting piece and communicates with the cavity, steel balls are arranged at equal angles between the gas expansion piece and the connecting piece, the steel balls extend or contract in the radial direction of the connecting piece, and the second quick-change connector comprises an annular base, the annular base comprises a positioning groove arranged coaxially, and the inner diameter of the positioning groove matches the outer diameter of the connecting piece.
[0012] Preferably, the bottom of the first quick-change connector is further provided with a limiting pin, and the upper surface of the second quick-change connector is provided with a limiting hole matched with the limiting pin.
[0013] Preferably, the bottom of each suction disc on the suction disc storage station is respectively provided with a suction nozzle, and the top of the suction disc is provided with an assembly support, and the second quick-change connector is arranged on the top of the assembly support.
[0014] Preferably, side plates are arranged on both sides of the turnover plate, and rotary connecting pieces are respectively connected to both sides of the turnover plate, a rotary motor is arranged on one of the side plates, the rotary motor is coaxially connected to the rotary connecting piece arranged on the same side of the rotary motor, and a rotating shaft is arranged on the other side plate, and the rotating shaft is coaxially connected to the rotary connecting piece arranged on the same side of the rotating shaft.
[0015] Preferably, telescopic pneumatic cylinders are symmetrically arranged on both sides of the bottom of the turnover plate in the direction of the rotating shaft, the telescopic guide pieces of the telescopic pneumatic cylinders are arranged on the outer sides of the telescopic pneumatic cylinders, each telescopic guide piece is respectively connected to a lifting pneumatic cylinder, the positioning frame member further comprises a connecting seat arranged at the bottom of the positioning hole, and the lifting pneumatic cylinder is connected to the connecting seat.
[0016] Preferably, the first linear module is arranged along the x-axis direction, and the second linear module is slidably connected to the bottom of the first linear module and arranged along the y-axis direction, and the mechanical arm is slidably connected to the bottom of the second linear module.
[0017] Preferably, the mechanical arm is further provided with a positioning camera.
[0018] Preferably, the third linear module and the fourth linear module are arranged in parallel on the two sides of the turnover processing mechanism, the feeding conveying mechanism is slidably connected with the third linear module, the discharging conveying mechanism is slidably connected with the fourth linear module, and the conveying direction of the feeding conveying mechanism is perpendicular to the third linear module.
[0019] The beneficial effects of the technical scheme of the utility model mainly lie in:
[0020] 1. The multi-size flexible circuit board turnover processing equipment is provided with a suction disc storage station, the suction disc storage station is provided with suction discs suitable for different sizes and different types of flexible circuit boards, each suction disc is provided with a quick-change connector matched with the bottom of the mechanical arm, so that the corresponding suction disc can be quickly replaced according to the current processing flexible circuit board; in addition, two positioning frame members are relatively translatablely sleeved on the two sides of the turnover plate of the turnover processing mechanism, the positioning frame members can fix the workbench and the flexible circuit board on the surface of the workbench on the turnover plate, and the distance between the two positioning frame members can be adjusted through relative translation, so as to adapt to the positioning of flexible circuit boards of different sizes.
[0021] 2. The two sides of the flexible circuit board are positioned synchronously by the positioning frame members on the two sides of the turnover plate, on the one hand, the two sides of the flexible circuit board are usually not printed with circuits, so the circuit board will not be damaged, on the other hand, the two sides of the flexible circuit board are further fixed by the positioning frame members, so that the middle part to be processed is exposed between the two positioning frame members, so that the flexible circuit board can be processed on the turnover plate, the turnover station and the processing station are located in the same position, so as to reduce the space occupation in the equipment.
[0022] 3. The positioning suction accessories are arranged on the two sides of the workbench in a liftable manner, and the positioning suction accessories are lowered when the flexible circuit board is connected with the turnover plate, so as to ensure that the positioning frame members replace the positioning suction accessories to position the two sides of the flexible circuit board, and facilitate the transfer of the flexible circuit board from the workbench to the turnover plate; in addition, the positioning suction accessories increase the length of the two sides of the workbench, so that the workbench can adapt to larger size flexible circuit boards.
[0023] 4. In the preferred embodiment, the feeding conveying mechanism and the discharging conveying mechanism are arranged in parallel on the two sides of the turnover processing mechanism through the linear modules, the carrier plate can be conveyed to the vicinity of the turnover processing mechanism in advance before processing or during processing, and the working efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is a perspective view of a multi-size flexible circuit board turning over processing equipment;
[0025] Figure 2 is a perspective view of the internal structure of multi-size flexible circuit board turning over processing equipment;
[0026] Figure 3 is a front view of the internal structure of multi-size flexible circuit board turning over processing equipment;
[0027] Figure 4 is a top view of the internal structure of multi-size flexible circuit board turning over processing equipment;
[0028] Figure 5 is a perspective view of the turning over processing mechanism at a first viewing angle;
[0029] Figure 6 is a perspective view of the turning over processing mechanism at a second viewing angle, at which the turning plate is omitted;
[0030] Figure 7 is a perspective view of the connection state of the first quick-change connector and the second quick-change connector;
[0031] Figure 8 is a top view of the connection state of the first quick-change connector and the second quick-change connector;
[0032] Figure 9 is Figure 8 a sectional view along A-A' in the DETAILED DESCRIPTION
[0033] In order to make the purposes, advantages and characteristics of the present application more clear and detailed, the following non-limiting description of the preferred embodiments will be used for illustration and explanation. The embodiments are only typical examples of the application of the technical solutions of the present application, and any technical solutions formed by equivalent replacement or equivalent transformation are within the scope of the present application.
[0034] It is declared that in the description of the scheme, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0035] In addition, the terms "first", "second" in the present solution are only for descriptive purposes, and cannot be understood as indicating or implying the ranking of importance, or implicitly indicating the number of technical features shown. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the present utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.
[0036] The utility model discloses a kind of multi-size flexible circuit board turn-over processing equipment, as shown in Figures 1-4 As shown, including mechanical arm 1, suction disc storage station 2, conveying mechanism and turn-over processing mechanism 6.
[0037] The mechanical arm 1 is used to transfer flexible circuit board 16 between suction disc storage station 2, conveying mechanism and turn-over processing mechanism 6, and the mechanical arm 1 includes the first lifting mechanism 12 that is translated along x-axis and y-axis direction, and the first lifting mechanism 12 drives the first quick-change connector 13 to be translated up and down, and in an embodiment, the first lifting mechanism 12 can adopt linear module arranged along z-axis direction;In an embodiment, it includes the first linear module 3 arranged along x-axis direction and the second linear module 4 slidably connected to the bottom of the first linear module 3, the second linear module 4 is arranged along y-axis direction, and the mechanical arm 1 is slidably connected to the bottom of the second linear module 4.In a preferred embodiment, the mechanical arm 1 is further provided with positioning camera 5, so as to ensure the accuracy of the connection between the mechanical arm 1 and the suction disc 11, and in other embodiments, other positioning sensors can be used instead of positioning camera 5, which will not be described here.
[0038] The suction disc storage station 2 is placed with the suction disc 11 suitable for flexible circuit board of different sizes, and the top of each suction disc 11 is provided with the second quick-change connector 14 matched with the first quick-change connector 13;In an embodiment, the suction disc storage station 2 includes first storage station and second storage station, and the first storage station and the second storage station are arranged on the two sides of the turn-over processing mechanism 6 respectively, so that more types of suction discs 11 are placed in zones to adapt to the processing of more types of flexible circuit boards.
[0039] As Figure 5 , Figure 6As shown, the turnover processing mechanism 6 is used for turning over the product, including a workbench 601 for placing the flexible circuit board 16 to be processed and a turnover device arranged on one side of the workbench 601. A sliding rail 602 is further arranged between the workbench 601 and the turnover device, and the workbench 601 is in sliding connection with the sliding rail 602. Positioning suction accessories 605 are arranged on both sides of the workbench 601 in a liftable manner. In an embodiment, the positioning suction accessories 605 are driven to lift by air cylinders. The turnover device includes a turnable turnover plate 603, which is higher than the workbench 601. Two positioning frame members 604 are relatively translatablely sleeved on both sides of the turnover plate 603. Each positioning frame member 604 includes a positioning hole 6041, and the height of the positioning hole 6041 is greater than or equal to the sum of the thicknesses of the turnover plate 603 and the flexible circuit board 16, so as to ensure that the turnover plate 603 and the flexible circuit board 16 can be positioned in the positioning hole 6041 of the positioning frame member 604 at the same time. Specifically, after the flexible circuit board 16 is placed on the workbench 601 by the mechanical arm 1 and the suction cup 11, the turnover plate 603 is first turned over by 180 degrees so that its surface faces downward. The workbench 601 is moved to be directly below the turnover plate 603. Then, the positioning suction accessories 605 on both sides of the workbench 601 are lowered, so that the two sides of the flexible circuit board 16 are exposed outside the workbench 601. At this time, the two positioning frame members 604 are translated toward each other, and the two sides of the flexible circuit board 16 pass through the positioning holes 6041 of the positioning frame members 604. At this time, the workbench 601 also functions as a limiting member for the positioning frame members 604, so as to avoid the positioning frame members 604 from contacting the inside of the flexible circuit board 16. When the positioning frame members 604 are moved to a fixed position and then raised, the two sides of the flexible circuit board 16 are clamped by the positioning frame members 604 and the turnover plate 603, so as to realize positioning. Finally, the workbench 601 is translated to reset, and the turnover plate 603 turns over the flexible circuit board 16 and the positioning frame members 604.
[0040] As shown in Figure 5 , Figure 6 In some embodiments, both sides of the turnover plate 603 are provided with side plates 606, and the two sides of the turnover plate 603 are respectively connected with rotary connecting members 1304609. One of the side plates 606 is provided with a rotary motor 610, which is coaxially connected with the rotary connecting member 1304609 arranged on the same side. The other side plate 606 is provided with a rotating shaft, which is coaxially connected with the rotary connecting member 1304609 arranged on the same side. When the turnover plate 603 needs to be turned over, the turnover plate 603 is driven to rotate by 180 degrees by the rotary motor 610, and the rotating shaft on the other side of the turnover plate 603 is also synchronously rotated by 180 degrees, so as to realize turnover.
[0041] As shown in Figure 5 , Figure 6As shown, in some embodiments, the bottom of the two sides of the flap 603 is symmetrically provided with a telescopic air cylinder 608 along the rotation axis direction, the telescopic guide of the telescopic air cylinder 608 is arranged on the outer side, and each telescopic guide is respectively connected with a lifting air cylinder 607, and drives the lifting air cylinder 607 to synchronously extend and retract in the inside and outside of the bottom of the two sides of the flap 603, the positioning frame 604 further includes a connecting seat 6042 arranged at the bottom of the positioning hole, specifically, the positioning frame 604 includes a frame body and a connecting seat 6042 integrally arranged at the bottom of the frame body, the positioning hole is arranged in the frame body, and the lifting air cylinder 607 is connected with the connecting seat 6042, so that the positioning frame 604 is connected with the flap 603, and the positioning frame 604 on the two sides of the flap 603 is driven by the telescopic air cylinder 608 and the lifting air cylinder 607 to move towards each other and to lift relative to the flap 603, and the fixation of the flap 603 and the flexible circuit board 16 is realized.
[0042] As shown in the figure, Figures 1-4 The conveying mechanism includes an input conveying mechanism 7 and an output conveying mechanism 8 arranged on the two sides of the surface turning mechanism 6, the input conveying mechanism 7 and the output conveying mechanism 8 each include two parallel conveying belts, and a carrier plate is arranged between the two conveying belts, and other conveying belt structures in the prior art can also be used, which will not be described here; in some embodiments, a vacuum suction device can be arranged on the carrier plate, so as to ensure that the flexible circuit board 16 does not move during transportation on the carrier plate; the arrangement of the vacuum suction device on the carrier plate of the flexible circuit board 16 can be adjusted according to the size and type of the flexible circuit board 16, which will not be described here.
[0043] As shown in the figure, Figures 1-4 In an embodiment, a third linear module 9 and a fourth linear module 10 are arranged on the two sides of the surface turning mechanism 6, the input conveying mechanism 7 is slidably connected with the third linear module 9, the output conveying mechanism 8 is slidably connected with the fourth linear module 10, the third linear module 9 is perpendicular to the conveying direction of the input conveying mechanism 7, specifically, the third linear module 9 and the fourth linear module 10 are arranged along the y-axis direction, and the input conveying mechanism 7 and the output conveying mechanism 8 are arranged along the x-axis direction; the input conveying mechanism 7 and the output conveying mechanism 8 can be conveyed to the two sides of the surface turning mechanism 6 in advance by moving along the linear module before or during processing, so as to further improve the work efficiency. In an embodiment, the input end of the input conveying mechanism 7 is connected with an input conveying belt, so as to facilitate the input of the flexible circuit board 16 in the previous process; and the output end of the output conveying mechanism 8 is connected with an output conveying belt, so as to facilitate the output of the processed flexible circuit board 16 to the next process.
[0044] As shown in the figure, Figures 7-9As shown, in an embodiment, the first quick-change connector 13 includes a base and a connecting piece 1304 coaxially arranged at the bottom of the base, a cavity 1302 is arranged in the base, a pneumatic interface 15 is connected to the outer periphery of the cavity 1302, a gas expansion piece 1303 is arranged in the connecting piece 1304 and communicates with the cavity 1302, and steel balls 1305 are arranged at equal angles between the gas expansion piece 1303 and the connecting piece 1304, the steel balls 1305 extend or contract along the radial direction of the connecting piece 1304, the structure of the second quick-change connector 14 includes an annular base, the annular base includes a positioning groove 1402 coaxially arranged, the inner diameter of the positioning groove 1402 matches the outer diameter of the connecting piece 1304, in an embodiment, the bottom of the first quick-change connector 13 is further provided with a limiting pin 1301, and the upper surface of the second quick-change connector 14 is provided with a limiting hole 1401 matched with the limiting pin 1301, when the mechanical arm 1 needs to grab the corresponding suction cup 11, the mechanical arm 1 is first moved to the top of the suction cup 11 for positioning, to ensure that the first quick-change connector 13 is aligned with the second quick-change connector 14 at the top of the suction cup 11, then the mechanical arm 1 continuously descends until the connecting piece 1304 at the bottom of the first quick-change connector 13 extends into the positioning groove 1402 of the second quick-change connector 14, then the first quick-change connector 13 is ventilated, and the gas expansion piece 1303 inside the connecting piece 1304 is inflated, the steel balls 1305 between the gas expansion piece 1303 and the connecting piece 1304 are extruded outward by the gas expansion piece 1303 and abut against the inner wall of the positioning groove 1402, so that the first quick-change connector 13 and the second quick-change connector 14 are connected. In other embodiments, the first quick-change connector 13 and the second quick-change connector 14 can also adopt other pneumatic connector structures, such as the pneumatic quick-change connection tool disclosed in CN116476110A and the robot tool quick-change structure disclosed in CN208663842U; also including electric connector structures and electric permanent magnet controlled connector structures, such as the quick-change interface disclosed in CN214013240U and the high-precision positioning quick-change interface provided with electric permanent magnet thrust disclosed in CN112032152A; in other embodiments, existing hydraulic connector structures can also be used, which will not be described here.
[0045] In an embodiment, the bottom of each suction cup 11 on the suction cup storage station 2 is respectively provided with a suction nozzle, and the top of the suction cup 11 is provided with an assembly support, and the second quick-change connector 14 is arranged at the top of the assembly support.
[0046] The utility model still has a plurality of implementation manners, all technical schemes formed by using equivalent transformation or equivalent transformation fall within the protection scope of the utility model.
Claims
1. A multi-size flexible wiring board turn-over processing apparatus, characterized by: The mechanical arm, the suction disc storage station, the conveying mechanism and the turning processing mechanism are included. The mechanical arm includes a first lifting mechanism which translates along the x-axis and y-axis directions, and the first lifting mechanism drives a first quick-change connector to translate up and down. The suction disc storage station is provided with suction discs which are suitable for flexible circuit boards of different sizes, and the top of each suction disc is provided with a second quick-change connector which matches the first quick-change connector. The turning processing mechanism includes a workbench for placing a flexible circuit board to be processed and a turning device provided on one side of the workbench, and a slide rail is further provided between the workbench and the turning device, the workbench is in sliding connection with the slide rail, and positioning suction accessories are provided on both sides of the workbench in a liftable manner, the turning device includes a turnable turning plate which is higher than the workbench, two positioning frame members are telescopically provided on both sides of the turning plate in a relatively translatable manner, each positioning frame member includes a positioning hole, and the height of the positioning hole is greater than or equal to the sum of the thicknesses of the turning plate and the flexible circuit board.
2. The multi-size flexible wiring board turn-over processing apparatus according to claim 1, characterized by: The conveying mechanism includes feeding conveying mechanisms and discharging conveying mechanisms which are provided on both sides of the turning processing mechanism, and each of the feeding conveying mechanisms and the discharging conveying mechanisms includes two conveying belts which are provided in parallel, and a carrier plate which is placed between the two conveying belts.
3. The multi-size flexible wiring board turn-over processing apparatus according to claim 1, characterized by: The first quick-change connector includes a base and a connecting member which is coaxially provided at the bottom of the base, a cavity is provided in the base, a pneumatic interface is connected to the outer periphery of the cavity, a gas expansion member is provided in the connecting member and communicates with the cavity, steel balls are provided at equal angles between the gas expansion member and the connecting member, the steel balls extend or contract along the radial direction of the connecting member, and the second quick-change connector includes an annular base which includes coaxially provided positioning grooves, the inner diameter of the positioning grooves matches the outer diameter of the connecting member.
4. The multi-size flexible wiring board turn-over processing apparatus according to claim 3, characterized by: The bottom of the first quick-change connector is further provided with a limiting pin, and the upper surface of the second quick-change connector is provided with a limiting hole which matches the limiting pin.
5. The multi-size flexible wiring board turn-over processing apparatus according to claim 1, characterized by: The bottom of each suction disc of the suction disc storage station is respectively provided with a suction nozzle, and the top of the suction disc is provided with an assembly support, and the second quick-change connector is provided at the top of the assembly support.
6. The multi-size flexible wiring board turn-over processing apparatus according to claim 1, characterized by: Both sides of the turning plate are provided with side plates, and the turning plate is respectively connected with rotary connecting members on both sides, one of the side plates is provided with a rotary motor which is coaxially connected with the rotary connecting member provided on the same side, and the other side plate is provided with a rotating shaft which is coaxially connected with the rotary connecting member provided on the same side.
7. The multi-size flexible wiring board turn-over processing apparatus according to claim 6, wherein: Both sides of the bottom of the turning plate are symmetrically provided with telescopic pneumatic cylinders along the direction of the rotating shaft, the telescopic guiding members of the telescopic pneumatic cylinders are provided on the outer sides, and each telescopic guiding member is respectively connected with a lifting pneumatic cylinder, and the positioning frame member further includes a connecting seat which is provided at the bottom of the positioning hole, and the lifting pneumatic cylinder is connected with the connecting seat.
8. The multi-size flexible wiring board turn-over processing apparatus according to claim 1, characterized by: The mechanical arm is further provided with a positioning camera.
9. The multi-size flexible circuit board turn-over processing apparatus according to claim 1, characterized by: 10. The multi-size flexible wiring board turn-over processing apparatus according to claim 2, characterized by: The third linear module and the fourth linear module are arranged in parallel on both sides of the turning mechanism, the feeding conveying mechanism is in sliding connection with the third linear module, the discharging conveying mechanism is in sliding connection with the fourth linear module, and the third linear module is perpendicular to the conveying direction of the feeding conveying mechanism.
Citation Information
Patent Citations
Quick-change connector capable of realizing high-precision location and providing thrust by electric permanent magnets
CN112032152A
Pneumatic quick-change connecting tool
CN116476110A
Robot tool quick change structure
CN208663842U
Quick-change connector
CN214013240U