CN107973083A - The automatic grass-hopper of plate - Google Patents
The automatic grass-hopper of plate Download PDFInfo
- Publication number
- CN107973083A CN107973083A CN201710557447.2A CN201710557447A CN107973083A CN 107973083 A CN107973083 A CN 107973083A CN 201710557447 A CN201710557447 A CN 201710557447A CN 107973083 A CN107973083 A CN 107973083A
- Authority
- CN
- China
- Prior art keywords
- clamping
- plate
- rotating disc
- clamping plate
- hopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/904—Devices for picking-up and depositing articles or materials provided with rotary movements only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/022—Flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transplanting Machines (AREA)
Abstract
The invention belongs to plate conveying technology field,More particularly to the automatic grass-hopper of plate,Including base,Rotating disc on base,Rotating disc is equipped with symmetrical clamping device,Further include control unit,The clamping device includes bearing,The clamping plate of holder top,Clamping plate is slidably matched with holder top,Holder top corresponds to and is equipped with elastic buffer component along clamping plate glide direction on rear side of clamping plate,Clamping plate front end is equipped with horizontal clamping face,Vertical confined planes,Confined planes bottom side is with intersecting the clamping part for making clamping plate front end form step-like structure on rear side of clamping face,Clamping face is equipped with plate sensing element in place,Confined planes are equipped with chucking power measuring cell,Rest base is slidably matched with rotating disc,Rotating disc is equipped with the driving mechanism of driving bearing sliding,Sensing element,Chucking power measuring cell connects control unit,Control unit connection control driving mechanism,Automatically control,Plate angled conveyor,Clamping degree is adjustable,Plate can be avoided to damage.
Description
Technical field
The invention belongs to plate conveying technology field, and in particular to the automatic grass-hopper of plate.
Background technology
, it is necessary to which multiple working procedure, repeatedly handles plate in wiring board processing, it is necessary to plate between different process processing
Material is transported through, and existing plate conveying relies primarily on conveyer belt, is conveyed by conveyer belt, and when plate needs to change
During conveying direction, the pusher that artificial selection or conveyer belt side are set is relied primarily on, in pusher pusher, thrust is big
It is small not easy to control, plate is easily damaged, so that cause wiring board to scrap, and the inefficiency of artificial selection, and cost of labor is big.
The content of the invention
The technical problems to be solved by the invention are in view of the foregoing drawbacks, there is provided the automatic grass-hopper of plate, automatically controls,
Plate angled conveyor, clamping degree are adjustable, plate can be avoided to damage.
It is as follows that the present invention solves the technical solution that its technical problem uses:
The automatic grass-hopper of plate, including the rotating disc on base, base, rotating disc are equipped with symmetrical clamping and fill
Put, further include control unit, the clamping device includes bearing, the clamping plate of holder top, and clamping plate is slided with holder top matches somebody with somebody
Close, holder top corresponds to and is equipped with elastic buffer component along clamping plate glide direction on rear side of clamping plate, and clamping plate front end is equipped with horizontal folder
Face, vertical confined planes are held, confined planes bottom side makes the clamping part of clamping plate front end formation step-like structure with intersecting on rear side of clamping face,
Clamping face is equipped with plate sensing element in place, and confined planes are equipped with chucking power measuring cell, and rest base is slided with rotating disc
Coordinating, rotating disc is equipped with the driving mechanism of driving bearing sliding, and sensing element, chucking power measuring cell connect control unit,
Control unit connection control driving mechanism.
Further, the base is equipped with the rotary electric machine of driving turn disc, and rotary electric machine output terminal passes through
Transmission mechanism connects rotating disc, control unit connection control driving motor.
Further, the bearing of two clamping devices is synchronous opposite or backwards to movement.
Further, the driving mechanism includes driving motor, screw, and driving motor is arranged on rotating disc, drives
Motor output end connects leading screw, and corresponding position is equipped with the feed screw nut coordinated with leading screw on bearing.
Further, the sensing element is optoelectronic switch, and optoelectronic switch is embedded on clamping face.
Further, the chucking power measuring cell is pressure sensor, and pressure sensor work department is towards clamping face
Side
Further, the clamping plate bottom is equipped with dovetail tangs along its direction of motion, and holder top corresponding position is equipped with swallow
Stern notch, dovetail tangs are slidably matched with dovetail groove.
Further, the control unit is PLC controller.
The beneficial effects of the invention are as follows:Using the above scheme, after plate is placed on clamping plate, can automatically detect, and
Automatically control clamping plate and clamp plate, while clamping, clamping plate can be avoided to damage plate, it is adjustable to the clamping force of plate, to plate
Transhipment angle, direction is adjustable, and the degree of automation is high, improves plate transfer efficiency.
Brief description of the drawings
By detailed description below in conjunction with the accompanying drawings, the present invention is foregoing will to be become with other objects, features and advantages
Obviously.
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is dovetail groove of the present invention and the structure diagram at dovetail tangs cooperation.
Fig. 3 is the control structure block diagram of the present invention.
Wherein:1 is base, and 11 be rotary electric machine, and 2 rotating discs, 3 be bearing, and 31 be dovetail groove, and 4 be clamping plate, and 41 be swallow
Tail is raised, and 42 be clamping part, and 421 be clamping face, and 422 be confined planes, and 5 be driving motor, and 51 be horizontal screw lead, and 6 open for photoelectricity
Close, 7 be pressure sensor, and 8 be PLC controller, and 9 be spring.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1:Referring to figs. 1 to shown in Fig. 3, the rotating disc 2 on the automatic grass-hopper of plate, including base 1, base 1,
Rotating disc 2 is rotatably connected by the axis set at its axle center with base, and base 1 corresponds to 2 edge of rotating disc and is equipped with rotation electricity
Machine 11,11 output terminal of rotary electric machine are equipped with gear reducer, and output end of reducer is equipped with driving gear, and 2 outer circumferential surface of rotating disc is teeth
Structure, touches gear and is engaged with 2 teeth structure of rotating disc, controls rotating disc 2 to rotate by rotary electric machine 11, is set on rotating disc 2
Have two on the symmetrical clamping device in its axle center, clamping device includes bearing 3, the clamping plate 4 at the top of bearing 3, clamping plate 4 with
3 top of bearing is slidably matched, and bearing 3 is the T-type structure that low side is small, upper end is big, and 3 low side of bearing is slidably matched with rotating disc 2, right
The rotating disc 2 answered is equipped with the sliding slot for coordinating bearing 3, and 3 low side of bearing is embedded in sliding slot, and rotating disc 2 is equipped with driving motor
5,5 output terminal of driving motor connects a horizontal screw lead 51, horizontal screw lead 51 and 3 threaded engagement of a wherein bearing, with another bearing 3
The bearing 3 for coordinating threaded engagement by sliding sleeve is movable end, and the bearing 3 coordinated by sliding sleeve is fixing end, drives 5 turns of motor
It is dynamic, make movable end can be to away from or close to fix end motion, 4 bottom of clamping plate is slidably matched with bearing 3, specifically, 4 bottom of clamping plate
Equipped with downward dovetail tangs 41,3 corresponding position of bearing is equipped with dovetail groove 31, and dovetail tangs 41, which are coincide and slided with dovetail groove 31, matches somebody with somebody
Close, make clamping plate 4 free to slide on bearing 3, dovetail configuration coordinates, and ensures that the direction of motion is stablized, and both is slidably matched
Closely, improve the clamping to plate and transport precision.
Two clamping plates, 4 one end close to each other is the front end of clamping plate 4, and the front end of clamping plate 4 is step-like clamping part 42, clamping part
42 are formed by clamping face 421, the vertical confined planes 422 of level are intersecting, and clamping face 421 is less than 4 top end face of clamping plate, clamping face
Optoelectronic switch 6 is embedded with 421, the work of optoelectronic switch 6 upwardly, is embedded with pressure sensor 7, pressure on confined planes 422
The work department of sensor 7 is towards front side, and plate is once be placed on clamping face 421, and optoelectronic switch 6 is to connected PLC
Controller 8 sends material plate in-position signal, and the control driving motor 5 of PLC controller 8 rotates, and makes activity end motion, bearing 3 mutually leans on
Closely, distance reduces between clamping plate 4, and flitch is clamped by the clamping part 42 of clamping plate 4, and flitch end face can be in contact with confined planes 422,
Pressure can be produced to the pressure sensor 7 on confined planes 422, pressure sensor 7 connects PLC controller 8, in time by pressure sensing
Pressure value on device 7 passes to PLC controller 8, once pressure is set up to the required power of clamping plate or PLC controller 8
Pressure value, PLC controller 8 control driving motor 5 stall, flitch can be avoided to be clamped by clamping plate 4 bad, for buffering clamp when folder
Tight impact, the rear side of clamping plate 4 are equipped with spring 9, and 9 rear end of spring is fixed on the corresponding top of bearing 3 of the rear side of clamping plate 4, and holder 3 mutually leans on
Closely, when clamping plate 4 is just clamped plate, the power of its moment has plate percussion, and in of the invention, clamping plate 4 is
Movable part, when clamping, clamping plate 4 can avoid clamping plate 4 to being connect firmly plate to the power of plate by spring 9 into row buffering
Touch, spring 9 make clamping plate 4 be between plate it is soft contact, in clamping, the pressure sensor 7 on confined planes 422 is measuring plate always
Suffered clamping force, and the numerical value measured is sent to PLC controller 8 always, when clamping force reaches the value of setting, PLC controls
The control of device 8 driving motor 5 processed stops operating, and after sheet material clamping, PLC controller 8 controls rotary electric machine 11 to drive 2 turns of rotating disc
It is dynamic, certain angle is rotated, realizes the transhipment of plate, then, PLC controller 8 controls driving motor 5 to invert again, the pine of clamping plate 4
Open, flitch departs from from clamped condition, then the conveying of next stage is carried out to flitch, can voluntarily detect whether plate is placed into folder
On plate, then plate is clamped, turns to conveying, controllable to the clamping degree of plate, clamping plate stroke is controllable, soft contact plate
Material, avoids plate from damaging, automatic operating, greatly improves efficiency.
Embodiment 2:Referring to figs. 1 to shown in Fig. 3, the rotating disc 2 on the automatic grass-hopper of plate, including base 1, base 1,
Rotating disc 2 is rotatably connected by the axis set at its axle center with base, and base 1 corresponds to 2 edge of rotating disc and is equipped with rotation electricity
Machine 11,11 output terminal of rotary electric machine are equipped with gear reducer, and output end of reducer is equipped with driving gear, and 2 outer circumferential surface of rotating disc is teeth
Structure, touches gear and is engaged with 2 teeth structure of rotating disc, controls rotating disc 2 to rotate by rotary electric machine 11, is set on rotating disc 2
Have two on the symmetrical clamping device in its axle center, clamping device includes bearing 3, the clamping plate 4 at the top of bearing 3, clamping plate 4 with
3 top of bearing is slidably matched, and bearing 3 is the T-type structure that low side is small, upper end is big, and 3 low side of bearing is slidably matched with rotating disc 2, right
The rotating disc 2 answered is equipped with the sliding slot for coordinating bearing 3, and 3 low side of bearing is embedded in sliding slot, and rotating disc 2 is equipped with driving motor
5, driving motor 5 output terminal connects a horizontal screw lead 51,51 and two bearing of horizontal screw lead, 3 equal thread fitting, and with two bearings, 3 spiral shell
On the contrary, driving motor 5 rotates, two bearings 3 are synchronized with the movement the hand of spiral that line coordinates, close to each other or be located remotely from each other, clamping plate 4
Bottom is slidably matched with bearing 3, specifically, 4 bottom of clamping plate is equipped with downward dovetail tangs 41,3 corresponding position of bearing is equipped with dovetail
Groove 31, dovetail tangs 41 coincide and are slidably matched with dovetail groove 31, make clamping plate 4 free to slide on bearing 3, dovetail configuration is matched somebody with somebody
Close, ensure that the direction of motion is stablized, and both is slidably matched closely, improve the clamping to plate and transport precision.
Two clamping plates, 4 one end close to each other is the front end of clamping plate 4, and the front end of clamping plate 4 is step-like clamping part 42, clamping part
42 are formed by clamping face 421, the vertical confined planes 422 of level are intersecting, and clamping face 421 is less than 4 top end face of clamping plate, clamping face
Optoelectronic switch 6 is embedded with 421, the work of optoelectronic switch 6 upwardly, is embedded with pressure sensor 7, pressure on confined planes 422
The work department of sensor 7 is towards front side, and plate is once be placed on clamping face 421, and optoelectronic switch 6 is to connected PLC
Controller 8 sends material plate in-position signal, and the control driving motor 5 of PLC controller 8 rotates, and makes activity end motion, bearing 3 mutually leans on
Closely, distance reduces between clamping plate 4, and flitch is clamped by the clamping part 42 of clamping plate 4, and flitch end face can be in contact with confined planes 422,
Pressure can be produced to the pressure sensor 7 on confined planes 422, pressure sensor 7 connects PLC controller 8, in time by pressure sensing
Pressure value on device 7 passes to PLC controller 8, once pressure is set up to the required power of clamping plate or PLC controller 8
Pressure value, PLC controller 8 control driving motor 5 stall, flitch can be avoided to be clamped by clamping plate 4 bad, for buffering clamp when folder
Tight impact, the rear side of clamping plate 4 are equipped with spring 9, and 9 rear end of spring is fixed on the corresponding top of bearing 3 of the rear side of clamping plate 4, and the top of bearing 3 is set
There is the boss of fixed spring 9, holder 3 is close to each other, and when clamping plate 4 is just clamped plate, the power of its moment is to plate
With percussion, in of the invention, clamping plate 4 is movable part, and when clamping, clamping plate 4 can carry out the power of plate by spring 9
Buffering, avoid clamping plate 4 to being contacted firmly plate, spring 9 make clamping plate 4 be between plate it is soft contact, in clamping, confined planes 422
On pressure sensor 7 measuring clamping force suffered by plate always, and the numerical value measured is sent to PLC controller 8 always,
When clamping force reaches the value of setting, the control driving motor 5 of PLC controller 8 stops operating, after sheet material clamping, PLC controller 8
Control rotary electric machine 11 drives rotating disc 2 to rotate, and rotates certain angle, realizes the transhipment of plate, then, PLC controller 8 is again
Control driving motor 5 inverts, and clamping plate 4 unclamps, and flitch departs from from clamped condition, then the conveying of next stage is carried out to flitch,
It can voluntarily detect whether plate is placed on clamping plate, then plate is clamped, turns to conveying, can to the clamping degree of plate
Control, clamping plate stroke is controllable, and soft contact plate, avoids plate from damaging, automatic operating, greatly improves efficiency.
The above, is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is every according to
Any simply modification, the equivalent variations made in technical spirit according to the present invention to above example, each fall within the guarantor of the present invention
Within the scope of shield.
Claims (8)
1. the automatic grass-hopper of plate, including the rotating disc on base, base, rotating disc is equipped with symmetrical clamping and fills
Put, it is characterised in that:Control unit is further included, the clamping device includes bearing, the clamping plate of holder top, clamping plate and bearing
Top is slidably matched, and holder top corresponds to and is equipped with elastic buffer component along clamping plate glide direction on rear side of clamping plate, and clamping plate front end is set
There are horizontal clamping face, vertical confined planes, confined planes bottom side makes clamping plate front end form step-like knot with intersecting on rear side of clamping face
The clamping part of structure, clamping face are equipped with plate sensing element in place, and confined planes are equipped with chucking power measuring cell, rest base and
Rotating disc is slidably matched, and rotating disc is equipped with the driving mechanism of driving bearing sliding, sensing element, the connection of chucking power measuring cell
Control unit, control unit connection control driving mechanism.
2. the automatic grass-hopper of plate according to claim 1, it is characterised in that:The base is equipped with driving and rotates
The rotary electric machine that disk rotates, rotary electric machine output terminal connect rotating disc, control unit connection control driving electricity by transmission mechanism
Machine.
3. the automatic grass-hopper of plate according to claim 1, it is characterised in that:The bearing of two clamping devices is synchronously opposite
Or backwards to movement.
4. the automatic grass-hopper of plate according to claim 1, it is characterised in that:The driving mechanism includes driving electricity
Machine, screw, driving motor are arranged on rotating disc, driving motor output end connection leading screw, and corresponding position is equipped with and leading screw on bearing
The feed screw nut of cooperation.
5. the automatic grass-hopper of plate according to claim 1, it is characterised in that:The sensing element is opened for photoelectricity
Close, optoelectronic switch is embedded on clamping face.
6. the automatic grass-hopper of plate according to claim 1, it is characterised in that:The chucking power measuring cell is pressure
Force snesor, pressure sensor work department is towards clamping face side.
7. the automatic grass-hopper of plate according to claim 1, it is characterised in that:The clamping plate bottom is along its side of moving
Dovetail groove is equipped with to equipped with dovetail tangs, holder top corresponding position, dovetail tangs are slidably matched with dovetail groove.
8. the automatic grass-hopper of plate according to claim 1, it is characterised in that:The control unit controls for PLC
Device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710557447.2A CN107973083A (en) | 2017-07-10 | 2017-07-10 | The automatic grass-hopper of plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710557447.2A CN107973083A (en) | 2017-07-10 | 2017-07-10 | The automatic grass-hopper of plate |
Publications (1)
Publication Number | Publication Date |
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CN107973083A true CN107973083A (en) | 2018-05-01 |
Family
ID=62012294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710557447.2A Pending CN107973083A (en) | 2017-07-10 | 2017-07-10 | The automatic grass-hopper of plate |
Country Status (1)
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CN (1) | CN107973083A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108910453A (en) * | 2018-09-11 | 2018-11-30 | 明珠家具股份有限公司 | A kind of side face of plate material keeps to the side positioning device |
CN109226518A (en) * | 2018-11-28 | 2019-01-18 | 湖州金得鑫金属制品有限公司 | A kind of corner punching press of Metal Cutting part removes rough mold |
CN110127256A (en) * | 2019-03-29 | 2019-08-16 | 杭州师范大学钱江学院 | It is a kind of based on the logistics trolley pneumatically grabbed and its transportation resources |
CN110451247A (en) * | 2019-07-19 | 2019-11-15 | 六安市双新建材有限公司 | A kind of catching plate fixture and gripper carried for hollow brick |
CN112720378A (en) * | 2020-11-26 | 2021-04-30 | 西安熊福芳电子科技有限公司 | Lighting electrical apparatus fault detection maintenance work platform |
CN112938428A (en) * | 2021-02-04 | 2021-06-11 | 广西建通工程质量检测有限公司 | Adjustable assembly type building based on intelligent control |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52135163A (en) * | 1976-05-04 | 1977-11-11 | Kawasaki Heavy Ind Ltd | Clamping hoist |
CN204076058U (en) * | 2014-07-16 | 2015-01-07 | Tcl王牌电器(惠州)有限公司 | There is the fixture of pressure sensing function |
CN204237238U (en) * | 2014-09-19 | 2015-04-01 | 深圳世宗瑞迪自动化设备有限公司 | Electronics package clamping mechanism |
CN204748639U (en) * | 2015-06-30 | 2015-11-11 | 何华琼 | Incorporation formula manipulator |
CN105619100A (en) * | 2014-10-28 | 2016-06-01 | 扬州市油田金达实业有限公司 | Automatic centering and clamping device for pipes |
CN106735721A (en) * | 2017-03-10 | 2017-05-31 | 高峰 | One kind has holding function stable pcb board electric welding equipment |
-
2017
- 2017-07-10 CN CN201710557447.2A patent/CN107973083A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52135163A (en) * | 1976-05-04 | 1977-11-11 | Kawasaki Heavy Ind Ltd | Clamping hoist |
CN204076058U (en) * | 2014-07-16 | 2015-01-07 | Tcl王牌电器(惠州)有限公司 | There is the fixture of pressure sensing function |
CN204237238U (en) * | 2014-09-19 | 2015-04-01 | 深圳世宗瑞迪自动化设备有限公司 | Electronics package clamping mechanism |
CN105619100A (en) * | 2014-10-28 | 2016-06-01 | 扬州市油田金达实业有限公司 | Automatic centering and clamping device for pipes |
CN204748639U (en) * | 2015-06-30 | 2015-11-11 | 何华琼 | Incorporation formula manipulator |
CN106735721A (en) * | 2017-03-10 | 2017-05-31 | 高峰 | One kind has holding function stable pcb board electric welding equipment |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108910453A (en) * | 2018-09-11 | 2018-11-30 | 明珠家具股份有限公司 | A kind of side face of plate material keeps to the side positioning device |
CN108910453B (en) * | 2018-09-11 | 2023-12-19 | 明珠家具股份有限公司 | Plate side edge positioning device |
CN109226518A (en) * | 2018-11-28 | 2019-01-18 | 湖州金得鑫金属制品有限公司 | A kind of corner punching press of Metal Cutting part removes rough mold |
CN110127256A (en) * | 2019-03-29 | 2019-08-16 | 杭州师范大学钱江学院 | It is a kind of based on the logistics trolley pneumatically grabbed and its transportation resources |
CN110451247A (en) * | 2019-07-19 | 2019-11-15 | 六安市双新建材有限公司 | A kind of catching plate fixture and gripper carried for hollow brick |
CN112720378A (en) * | 2020-11-26 | 2021-04-30 | 西安熊福芳电子科技有限公司 | Lighting electrical apparatus fault detection maintenance work platform |
CN112938428A (en) * | 2021-02-04 | 2021-06-11 | 广西建通工程质量检测有限公司 | Adjustable assembly type building based on intelligent control |
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Application publication date: 20180501 |