CN213184220U

CN213184220U - Platform deck device and autonomous transfer robot

Info

Publication number: CN213184220U
Application number: CN202021924141.XU
Authority: CN
Inventors: 吴功; 顾俊; 王朋; 何川; 刘军峰
Original assignee: Shanghai Dazu Fortrend Technology Co ltd
Current assignee: Shanghai Han's Fuchuang Technology Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-11
Anticipated expiration: 2030-09-04

Abstract

The utility model relates to a microscope carrier device and autonomic transfer robot, install in autonomic transfer robot's frame, it is including installing the displacement mechanism that multiunit microscope carrier mechanism in the frame connects in the frame, microscope carrier mechanism is at upper and lower direction parallel arrangement, displacement mechanism includes the displacement driving piece, the displacement drive assembly who is connected with the displacement driving piece, and the microscope carrier mount pad, the microscope carrier mount pad slides and connects in the frame, the displacement drive assembly is connected between frame and microscope carrier mount pad, slide and connect in the frame in order to drive the microscope carrier mount pad, at least a set of microscope carrier mechanism slides through the microscope carrier mount pad and installs in the frame. This application has the mode of having adjusted the microscope carrier lift, reduces with the butt joint equipment difference in height, and the butt joint height range that can compromise is big, has shortened transfer robot and has got the time of putting to improve production efficiency's effect.

Description

Platform deck device and autonomous transfer robot

Technical Field

The present application relates to the field of semiconductors, and in particular, to a stage device and an autonomous transfer robot.

Background

With the continuous growth of the demand of Chinese integrated circuits, domestic wafer factories for producing wafers rise rapidly in recent years.

Since the wafers are most afraid of 'tiny dust pollution' in the process, the requirement of cleanliness is very high in a wafer factory for producing the wafers, and a plurality of stations are operated by a transfer robot instead of a human.

In view of the above-mentioned related technologies, the inventor believes that in the related art, when a transfer robot is docked with a station on a docking facility, the same transfer robot cannot be used for carrying the transfer robot due to the height mismatch between the docking station and the upper station of the transfer robot, and different types of transfer robots need to be designed for carrying the transfer robot at different heights, which increases the manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In order to reduce with the butt joint equipment difference in height, the butt joint altitude range that can compromise is big, has shortened transfer robot and has got and put the time to improve production efficiency, this application provides microscope carrier device and autonomic transfer robot.

In a first aspect, the carrier apparatus provided in the present application adopts the following technical solution:

the platform mechanism is arranged on a frame of the autonomous transfer robot and comprises a plurality of groups of platform mechanisms arranged on the frame and a displacement mechanism connected to the frame, the platform mechanisms are arranged in parallel in the vertical direction, the displacement mechanism comprises a displacement driving part, a displacement transmission assembly connected with the displacement driving part and a platform mounting seat, the platform mounting seat is connected to the frame in a sliding mode, the displacement transmission assembly is connected between the frame and the platform mounting seat to drive the platform mounting seat to be connected to the frame in a sliding mode, and at least one group of platform mechanisms is arranged on the frame in a sliding mode through the platform mounting seat.

Through adopting above-mentioned technical scheme, the displacement driving piece drives the microscope carrier mount pad through displacement transmission assembly and slides and connect in the frame, is equipped with a plurality of microscope carriers on the microscope carrier device and is used for bearing the weight of article, and the microscope carrier is portable, can follow the manipulator displacement of robot to reduce the action step of manipulator, be favorable to improving work efficiency.

Optionally, the stage mechanism includes a fixed stage and a movable stage, the fixed stage is fixedly connected to the bottom and/or top of the frame, and the movable stage is fixedly connected to the stage mounting base.

Through adopting above-mentioned technical scheme, portable microscope carrier follows displacement mechanism and removes to reduce the operating procedure of manipulator, thereby improve work efficiency, fixed microscope carrier can be applicable to different scene needs, the position of nimble regulation microscope carrier.

Optionally, the displacement transmission assembly includes a second screw member and a second nut member, two ends of the second screw member are rotatably connected to the frame, one end of the second screw member is fixedly connected to the driving shaft of the displacement driving member, and the stage mounting base is fixedly connected to the second nut member; and a guide piece is connected between the carrying platform mounting seat and the rack.

Through adopting above-mentioned technical scheme, the rotary motion of displacement transmission assembly with only driving piece converts the linear motion of microscope carrier mount pad to make the microscope carrier mount pad can the sliding motion in the frame.

Optionally, the guide member includes a fourth slider fixedly connected to the stage mounting base and a fourth slide rail parallel to the second screw rod member on the frame, the fourth slide rail is located on two sides of the second screw rod member, and the fourth slider is connected to the fourth slide rail in a sliding manner.

Through adopting above-mentioned technical scheme, the guide is favorable to improving the stability that the microscope carrier mount pad slided on the frame.

Optionally, the carrier mounting base is fixedly connected with a carrier trigger, a carrier inductive sensor for detecting the carrier trigger is arranged at two ends of the frame along the second screw rod, and the carrier inductive sensor is electrically connected to the autonomous transfer robot control system.

Through adopting above-mentioned technical scheme, in case microscope carrier inductive transducer is sheltered from by microscope carrier trigger piece and triggers, displacement drive spare stop rotation this moment, and the microscope carrier mount pad reachs extreme position promptly.

Optionally, the carrier mechanism is provided with a radio frequency assembly for identifying a radio frequency tag placed on an article on the carrier mechanism; the radio frequency assembly is electrically connected to the control system.

By adopting the technical scheme, the radio frequency component such as the radio frequency reader is convenient for identifying the radio frequency label on the article and monitoring the position and the transportation condition of the article in real time so as to manage the article

Optionally, a positioning assembly is arranged on the stage mechanism and used for identifying whether an article is placed on the stage mechanism, and the positioning assembly is electrically connected to the control system.

By adopting the technical scheme, the positioning component can be a trigger button, a switch or other sensors and the like, is used for identifying whether articles exist on the carrying platform, and is convenient for the control system to control the operation action of the manipulator.

Optionally, an indicator light assembly is arranged on the stage mechanism and used for indicating the working state of the stage mechanism, and the indicator light assembly is electrically connected to the control system.

Through adopting above-mentioned technical scheme, can be different colours LED lamps to the operating condition of microscope carrier mechanism is instructed in real time, so that the staff monitors the operating condition of robot.

In a second aspect, the present application provides an autonomous transfer robot that employs the following technical solution:

the autonomous transfer robot comprises an unmanned transfer vehicle and a rack borne on the unmanned transfer vehicle, wherein the rack is provided with the carrier device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a schematic view of the overall structure of the rotary drive device in the embodiment of the present application;

FIG. 3 is an exploded view of the rotary drive of the embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of a rotary drive apparatus in an embodiment of the present application;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a schematic structural diagram mainly used for showing the clamping device in the embodiment of the application;

FIG. 7 is a schematic structural diagram mainly used for showing a Z-axis lifting driving assembly in the embodiment of the present application;

FIG. 8 is an exploded view of an embodiment of the present application, primarily illustrating a Z-axis lift drive assembly;

FIG. 9 is a schematic structural diagram of an embodiment of the present application, mainly illustrating an X-axis opening/closing driving assembly;

fig. 10 is an exploded view of an embodiment of the present application, primarily illustrating a first rack and pinion assembly;

FIG. 11 is a schematic structural diagram of an embodiment of the present application, showing a Y-axis telescopic driving assembly;

FIG. 12 is an enlarged view of portion B of FIG. 11;

fig. 13 is a schematic diagram of an exploded structure mainly used for showing a bearing set in the embodiment of the application;

FIG. 14 is an exploded view of an embodiment of the present application, illustrating a telescoping boom, a fourth pulley drive assembly, and a second rack and pinion drive assembly;

FIG. 15 is a schematic structural diagram of an embodiment of the present application, showing a fourth pulley drive component and a second rack and pinion drive component;

FIG. 16 is a schematic diagram of an exploded structure of an embodiment of the present application, which is mainly used for showing a clamp;

FIG. 17 is a schematic structural diagram of an embodiment of the present application, primarily illustrating the displacement mechanism;

fig. 18 is a schematic structural view mainly used for showing a stage mechanism in the embodiment of the present application.

Reference numerals: 1. a frame; 11. a chassis; 12. a support frame; 2. an automated guided vehicle; 3. a rotation driving device; 31. a rotary drive member; 32. a rotation transmission assembly; 321. a base plate; 322. fixing a guide ring; 323. a fluted disc; 324. a transmission gear; 325. supporting the rollers; 33. an arc-shaped dust-proof part; 4. a gripping device; 41. a clamp; 411. a base; 4111. accommodating grooves; 4112. a clamping groove; 4113. a buffer layer; 412. an elastic limiting part; 4121. a limiting seat; 4122. an elastic member; 4123. a spacing pin; 413. a gripping inductive sensor; 42. a telescopic combined arm; 421. a fixed arm; 422. a telescopic arm; 4221. a position sensing sensor; 423. a Z-axis lifting drive assembly; 4231. lifting the transmission member; 42311. a first pulley drive assembly; 423111, a first drive wheel; 423112, a first driven wheel; 423113, a first timing belt; 423114, a first slide rail; 423115, a first slider; 423115, a first limiting block; 42312. a first lead screw drive assembly; 423121, a first screw member; 423122, a first nut member; 4232. a lifting drive member; 424. an X-axis opening and closing drive component; 4241. opening and closing the transmission part; 42411. a first straight rack; 42412. a first straight gear; 42413. a second slide rail; 42414. a second slider; 42415. a second limiting block; 4242. a switching drive member; 4243. a connecting plate; 4244. a limit sensor; 4245. an opening and closing trigger piece; 425. a Y-axis telescopic drive assembly; 4251. a telescopic transmission member; 42511. a second pulley drive assembly; 425111, a second drive wheel; 425112, a second driven wheel; 425113, a second timing belt; 42512. a bearing set; 425121, a spline shaft; 425122, key bearings; 425123, a bearing seat; 425124, a retaining ring; 425125, a lock nut; 425126, ball spline housing; 425127, ball spline; 425128, a clamp spring; 42513. a third pulley drive assembly; 425131, a third drive wheel; 425132, a third driven wheel; 425133, a third timing belt; 425134, a guide wheel; 425135, a first tension roller; 425136, a third slide rail; 4251367, a slider; 42514. a spline transmission shaft; 42515. a fourth pulley drive assembly; 425151, a fourth drive wheel; 425152, a fourth driven wheel; 425153, a fourth timing belt; 425154, a second tension wheel; 42516. a second rack and pinion drive assembly; 425161, helical gears; 425162, helical rack; 4252. a telescopic driving member; 426. the arm opening and closing transmission mounting plate; 4261. a lift trigger; 4262. a lift sensing sensor; 427. an opening and closing installation frame; 428. a connecting shaft; 43. a camera; 5. a stage device; 51. a displacement mechanism; 511. a displacement drive member; 512. a displacement transmission assembly; 5121. a second screw member; 5122. a second nut member; 513. a stage mounting base; 5131. a stage trigger; 5132. a stage induction sensor; 514. a fourth slider; 515. a fourth slide rail; 52. a stage mechanism; 521. fixing a carrying platform; 522. a movable carrying platform; 523. a radio frequency component; 524. a positioning assembly; 525. an indicator light assembly.

Detailed Description

The present application is described in further detail below with reference to figures 1-18.

The embodiment of the application discloses two arms are from dynamic transfer robot. Referring to fig. 1, the dual-arm autonomous transfer robot includes a frame 1, an automated guided vehicle 2 for carrying the frame 1 and driving the frame 1 to move, a rotary driving device 3 disposed between the frame 1 and the automated guided vehicle 2 and driving the frame 1 to rotate in a horizontal direction with respect to the automated guided vehicle 2, a gripping device 4 mounted on the frame 1 and used for gripping a target object, a stage device 5 disposed on the frame 1 and used for temporarily carrying the target object, and a control system controlling cooperation of the automated guided vehicle 2, the rotary driving device 3, the gripping device 4, and the stage device 5. The frame 1 comprises a chassis 11 and a support frame 12 vertically arranged on the upper part of the chassis 11, and the whole support frame 12 is cuboid. The clamping device 4 comprises two manipulator mechanisms, the two manipulator mechanisms are symmetrically arranged on two sides of the rack 1, each manipulator mechanism comprises a clamp 41 for clamping an article and a telescopic combined arm 42 for driving the clamp 41 to be close to or far away from the article, and the two opposite manipulator mechanisms are close to or far away from each other to realize that the clamp 41 takes and places the article. In the process of transporting the target object, the automated guided vehicle 2 moves the carrying frame 1 to the initial position of the target object according to a preset route, the rotary driving device 3 adjusts the horizontal angle of the frame 1 until the target object is located within the grabbing range of the grabbing device 4, then the telescopic combined arm 42 acts to enable the clamp 41 to grab the object from two sides of the target object and transport the object to the carrying platform device 5, and then the automated guided vehicle 2 moves to the target position of the target object according to the preset route and grabs and transports the target object to the placing point of the target position through the grabbing device 4.

Referring to fig. 2, the rotation driving device 3 includes a rotation driving member 31 and a rotation transmission assembly 32, the rotation driving member 31 is fixedly installed at a side of the chassis 11 away from the automated guided vehicle 2, and the rotation transmission assembly 32 connects the automated guided vehicle 2 and the chassis 11. The rotary driving member 31 drives the chassis 11, and thus the frame 1, to rotate through the rotary transmission assembly 32, so that the gripping device 4 can be aligned with the object. The rotary driving member 31 includes a stepping motor and a reduction gearbox for reducing the rotational speed, increasing the torque force, and matching the inertia.

Referring to fig. 3, the rotary drive assembly 32 includes a base plate 321, a stationary guide ring 322, a toothed plate 323, a drive gear 324, and a support roller 325.

The base plate 321 is integrally formed in a disk shape and is fixedly attached to the top of the automated guided vehicle 2.

And a fixed guide ring 322 fixedly installed on a side of the base plate 321 away from the automated guided vehicle 2 and located at a center of the base plate 321.

And a toothed plate 323 fixedly installed on a side of the base plate 321 away from the automated guided vehicle 2, having a diameter smaller than that of the fixed guide ring 322, and coaxially disposed with the fixed guide ring 322.

The transmission gear 324 is engaged with the outer peripheral side of the gear plate 323 and located inside the fixed guide ring 322, and the rotary driving member 31 rotates the transmission gear 324.

The supporting roller 325 is fixedly arranged on one side of the chassis 11 close to the bottom plate 321 through a threaded end and does not contact the bottom plate 321; the supporting rollers 325 are provided in plural, and are circumferentially arrayed on the peripheral side of the fixed guide ring 322, and the supporting rollers 325 rotate around the peripheral side of the fixed guide ring 322. The number of the support rollers 325 is adjustable, and the number of the support rollers 325 can be increased appropriately according to the overall weight of the frame 1. The supporting roller 325 includes a plurality of spur wheels and eccentric wheels circumferentially arranged in an array on the peripheral side of the fixed guide ring 322, and a polygon formed by the plurality of spur wheels does not include/cover the center of the driving gear 324. The number of the centering wheels is preferably two, the two centering wheels can play a centering role under an included angle smaller than 180 degrees, one side with smaller radius of the eccentric wheel is close to the fluted disc 323 firstly during installation, and after the fixed guide ring 322 is installed, the side with larger inner diameter of the eccentric wheel rotates towards the fluted disc 323, so that the supporting roller 325 is tightly abutted to the peripheral side of the fixed guide ring 322, and the arrangement of the eccentric wheel is favorable for improving the installation convenience. The rotary driving member 31 drives the transmission gear 324 to rotate, and the transmission gear 324 rotates around the fluted disc 323; since the gear plate 323 is fixed on the bottom plate 321, and the chassis 11 is rotatably connected to the fixed guide ring 322 through the support roller 325 thereon, when the transmission gear 324 rotates around the gear plate 323, the chassis 11 rotates around the central axis of the gear plate 323 as a rotating shaft, and the fixed guide ring 322 plays a guiding role, thereby realizing the rotation of the chassis 11, and the rotation angle is determined by the rotary driving member 31.

Referring to fig. 3 and 4, the arc-shaped dust-proof member 33 for shielding the supporting roller 325 is installed on one side of the bottom plate 321 close to the chassis 11, and the arc-shaped dust-proof member 33 is integrally cylindrical and surrounds the supporting roller 325 to reduce the influence of impurities such as dust in the external environment on the rotation between the supporting roller 325 and the fixed guide ring 322 and improve the accuracy of the rotation angle of the robot. Referring to fig. 4 and 5, the height dimension of the arc-shaped dust-proof piece 33 is smaller than the distance dimension between the chassis 11 and the bottom plate 321, i.e. the arc-shaped dust-proof piece 33 is not in contact with the chassis 11, so that the arc-shaped dust-proof piece 33 does not easily influence the rotation of the chassis 11.

Referring to fig. 6, the telescopic combined arm 42 includes: fixed arm 421, telescopic arm 422, Z-axis lifting drive component 423, X-axis opening and closing drive component 424 and Y-axis telescopic drive component 425.

The fixed arm 421 is installed on the arm opening and closing transmission mounting plate 426 through the X-axis opening and closing driving component 424, the arm opening and closing transmission mounting plate 426 is connected in the rack 1 in a sliding manner, and the sliding direction of the arm opening and closing transmission mounting plate 426 is perpendicular to the chassis 11. The length direction of the fixing arm 421 is parallel to the plane of the chassis 11.

The telescopic arm 422 is slidably connected to the fixed arm 421 in the longitudinal direction of the fixed arm 421, and the clamp 41 is attached to an end of the telescopic arm 422 away from the fixed arm 421.

Referring to fig. 7, the Z-axis lifting driving assembly 423, mounted on the frame 1, includes a lifting driving member 4231 and a lifting driving member 4232, and is used for driving the arm opening and closing transmission mounting plate 426 to lift, so as to drive the fixed arm 421 to lift, so that the manipulator mechanism is aligned with the height of the target object. The lifting driving member 4232 comprises a stepping motor and a reduction gearbox, is mounted on the chassis 11, and is arranged symmetrically with the rotary driving member 31.

Referring to fig. 8, the lift transmission 4231 includes a first pulley transmission assembly 42311 and a first lead screw transmission assembly 42312.

The first pulley assembly 42311 includes a first driving pulley 423111, a first driven pulley 423112, and a first synchronizing belt 423113 wound around the first driving pulley 423111 and the first driven pulley 423112 for synchronously rotating the two.

First lead screw drive assembly 42312 includes a first screw member 423121 and a first nut member 423122.

The first driving wheel 423111 is fixedly mounted on a driving shaft of the lifting driving member 4232, and two ends of the first screw member 423121 are rotatably connected to the frame 1 and are arranged perpendicular to the direction of the chassis 11. The first driven wheel 423112 is fixedly mounted at one end of the first screw member 423121, and the arm opening and closing transmission mounting plate 426 is fixedly mounted on the first nut member 423122. And two first slide rails 423114 are installed on the frame 1 along a direction parallel to the first screw piece 423121, and the two first slide rails 423114 are symmetrically distributed on two sides of the first screw piece 423121. The arm opening and closing transmission mounting plate 426 is provided with a first sliding block 423115 at a position corresponding to the sliding rail, and the first sliding block 423115 is connected to the first sliding rail 423114 in a sliding manner. Two ends of the first slide rail 423114 are mounted with a first stopper 423115 to limit the position of the first slide block 423115. An L-shaped lifting trigger 4261 is fixedly mounted on the arm opening and closing transmission mounting plate 426, lifting induction sensors 4262 are arranged at two ends of the rack 1 along the length direction of the first screw piece 423121, and the lifting induction sensors 4262 are infrared sensors. When the lifting trigger 4261 blocks and triggers the lifting sensor 4262, namely the arm opening and closing transmission mounting plate 426 reaches the extreme position, the lifting driving member 4232 stops rotating to protect the manipulator mechanism.

The lifting driving member 4232 sequentially passes through the first belt wheel transmission assembly 42311 and the first lead screw transmission assembly 42312, and converts the rotary motion into linear motion, so that the lifting action of the manipulator mechanism is realized.

Referring to fig. 9, the X-axis opening and closing driving assembly 424 is disposed on the arm opening and closing transmission mounting plate 426, and includes an opening and closing transmission member 4241 and an opening and closing driving member 4242. The two opening and closing driving members 4242 are symmetrically distributed on the arm opening and closing transmission mounting plate 426. The opening and closing driving member 4242 drives the two fixing arms 421 to open and close through the opening and closing driving member 4241, so as to realize the approaching and departing of the clamp 41. The opening/closing driving member 4242 is provided as a stepping motor.

Referring to fig. 9 and 10, the opening and closing transmission member 4241 includes a first rack and pinion transmission assembly, and is mounted on the arm opening and closing transmission mounting plate 426 through a connection plate 4243.

The first gear rack transmission assembly comprises a first straight gear rack 42411 and a first straight gear 42412 which are in meshing connection. The length direction of the first straight rack 42411 is perpendicular to the length direction of the first screw piece 423121, and is fixedly installed on one side of the connecting plate 4243 far away from the opening and closing transmission mounting plate 426. Two sides of the connecting plate 4243 along the length direction of the first straight rack 42411 are fixedly provided with second sliding rails 42413 parallel to the length direction of the first straight rack 42411, the second sliding rails 42413 are connected with two groups of second sliding blocks 42414 in a sliding manner, and two ends of each second sliding rail 42413 are fixedly provided with second limiting blocks 42415. An opening and closing mounting frame 427 integrally connected with the fixing arm 421 is fixedly mounted on each set of second sliders 42414, an opening and closing driving member 4242 is mounted in the opening and closing mounting frame 427, a first straight gear 42412 is fixedly mounted on a driving shaft of the opening and closing driving member 4242, and the first straight gear 42412 is connected to a first straight rack 42411 in a meshing manner. The opening and closing driving member 4242 converts the rotation of the opening and closing driving member 4242 into linear motion through the first gear-rack transmission assembly, so as to drive the opening and closing movement of the fixing arm 421.

The two sides of the connecting plate 4243 close to the symmetry line are provided with limit sensors 4244, the limit sensors 4244 are infrared sensors, and the opening and closing mounting frame 427 is fixedly provided with an opening and closing trigger 4245 which moves synchronously with the opening and closing driving piece 4242. When the two opening and closing driving pieces 4242 approach each other to be close to the symmetry line of the connecting plate 4243, the opening and closing triggering piece 4245 triggers the limit sensor 4244, so that the two opening and closing driving pieces 4242 are not easy to collide, and the protection of the opening and closing driving pieces 4242 is facilitated. Further, the limit sensors 4244 may be installed on both sides of the link plate 4243 to further limit the maximum displacement distance of the opening/closing driver 4242.

Referring to fig. 11, the Y-axis telescopic driving assembly 425 is disposed on the arm opening and closing transmission mounting plate 426, and includes a telescopic transmission member 4251 and a telescopic driving member 4252. The retractable driving member 4252 is mounted on the arm opening and closing transmission mounting plate 426 via an extension plate, and the retractable driving member 4252 drives the retractable arm 422 to retract via the retractable transmission member 4251, so as to enable the clamp 41 to approach or move away from the object. The telescopic drive 4252 is provided as a stepping motor.

The telescopic driving member 4251 comprises a power transmission assembly and a motion transmission assembly, the power transmission assembly is in transmission connection with the power output end of the telescopic driving member 4252, the motion transmission assembly is in transmission connection with the power output end of the power transmission assembly, and the power output end of the motion transmission assembly is connected with the telescopic arm 422.

Referring to fig. 12 and 13, the power transmission assembly includes a second pulley transmission assembly 42511, a bearing set 42512, a third pulley transmission assembly 42513, a splined transmission shaft 42514.

The motion transmission assembly comprises a fourth pulley transmission assembly 42515 and a second rack and pinion transmission assembly 42516.

The second pulley assembly 42511 includes a second driving pulley 425111, a second driven pulley 425112, and a second timing belt 425113 wound around the second driving pulley 425111 and the second driven pulley 425112 for driving the two to rotate synchronously.

Bearing set 42512 comprises spline shaft 425121, key bearing 425122 connected at two ends of spline shaft 425121 in a sliding manner, bearing seat 425123 for mounting key bearing 425122, and also comprises coaxially arranged retainer ring 425124, lock nut 425125, ball spline shaft sleeve 425126, ball spline 425127 and snap spring 425128. And the spline shaft 425121 can drive the spline bearing 425122 to rotate synchronously.

The third pulley transmission assembly 42513 includes a third driving pulley 425131, a third driven pulley 425132, a third synchronous belt 425133 wound around the third driving pulley 425131 and the third driven pulley 425132 to drive the third driving pulley and the third driven pulley to rotate synchronously, and further includes a guide pulley 425134 and a first tension pulley 425135. The third timing belt 425133 is wound around the guide wheel 425134, and the first tension wheel 425135 abuts against the outside of the third timing belt 425133. The guide wheel 425134 is beneficial to reasonably planning the transmission path of the third belt wheel transmission assembly 42513, and the space is saved. The first tension wheel 425135 increases the tension on the surface of the third timing belt 425133, so that the third pulley transmission assembly 42513 is more stable.

Referring to fig. 14 and 15, the fourth pulley transmission assembly 42515 includes a fourth driving pulley 425151, a fourth driven pulley 425152, a fourth synchronous belt 425153 wound around the fourth driving pulley 425151 and the fourth driven pulley 425152 to drive the fourth driving pulley and the fourth driven pulley 425152 to rotate synchronously, and a second tension pulley 425154.

The second rack and pinion assembly 42516 comprises an intermeshing helical gear 425161 and a helical rack 425162. The helical gear 425161 and the helical rack 425162 have the advantages of smooth transmission, low noise and high bearing capacity, and particularly, when the clamp 41 clamps an object, the telescopic arm 422 needs to have certain bearing capacity while moving.

The second driving wheel 425111 is fixedly mounted at the end of the driving shaft of the telescopic driving member 4252, and the second driven wheel 425112 is sleeved at the middle of the spline shaft 425121 to drive the spline shaft 425121 to rotate synchronously. The spline shaft 425121 has its ends rotatably connected to the link plates 4243. The key bearings 425122 at both ends of the spline shaft 425121 are symmetrically arranged with the second driven wheel 425112 as a symmetry point and are embedded in the bearing seat 425123, and the bearing seat 425123 is fixedly installed at the included angle formed by the connecting plate 4243 and the opening and closing mounting frame 427.

The third driving wheel 425131 is sleeved at two ends of the spline shaft 425121 and located at one side of the bearing seat 425123 away from the second driven wheel 425112, and the spline shaft 425121 drives the third driving wheel 425131 to rotate synchronously. The third driven wheel 425132 is rotatably mounted on the open-close mounting frame 427, and the guide wheel 425134 and the first tension wheel 425135 are rotatably mounted on the bearing block 425123. The third driving wheel 425131, the third driven wheel 425132, the guide wheel 425134 and the first tension wheel 425135 are located on the same horizontal plane perpendicular to the chassis 11, and the third driving wheel 425131 drives the third driven wheel 425132, the guide wheel 425134 and the first tension wheel 425135 to rotate synchronously through a third synchronous belt 425133.

The third driven wheel 425132 is sleeved on one end of the spline transmission shaft 42514, the end of the spline shaft 425121 is rotatably mounted on the opening and closing mounting frame 427, and the other end is rotatably mounted on the side wall of the fixed arm 421 close to the rack 1. The third driven wheel 425132 drives the spline shaft 425121 to rotate synchronously. The fourth driving wheel 425151 is sleeved on one end of the spline shaft 425121 far from the third driven wheel 425132 and located on the inner wall of the fixed arm 421, and the spline shaft 425121 drives the fourth driving wheel 425151 to rotate synchronously. The fourth driven wheel 425152 is rotatably mounted on the same side wall of the fixed arm 421 where the fourth driving wheel 425151 is disposed, and the second tension wheel 425154 is mounted on the side wall of the fixed arm 421 and tightly abuts against the outer side of the fourth synchronous belt 425153. The third driving wheel 425131 drives the third driven wheel 425132 and the second tension wheel 425154 to rotate synchronously via the fourth timing belt 425153.

The fourth driven wheel 425152 is sleeved with a connecting shaft 428, and the fourth driven wheel 425152 drives the connecting shaft 428 to rotate synchronously. The bevel gear 425161 is sleeved at the end of the connecting shaft 428, and the connecting shaft 428 drives the bevel gear 425161 to rotate synchronously. The rack gear 425162 is fixedly mounted within the telescoping arm 422 and is distributed along the length of the telescoping arm 422. A third slide rail 425136 is installed inside the fixed arm 421 along the length direction thereof, and a slide bar 4251367 embedded in the third slide rail 425136 is installed on the outer wall of the telescopic arm 422. The helical gear 425161 drives the helical rack 425162 to displace, thereby driving the telescopic arm 422 to move telescopically in the fixed arm 421 along the third slide rail 425136.

Therefore, the telescopic driving member 4252 drives the telescopic arm 422 to perform telescopic action through the second pulley transmission assembly 42511, the bearing set 42512, the third pulley transmission assembly 42513, the spline transmission shaft 42514, the fourth pulley transmission assembly 42515 and the second rack and pinion transmission assembly 42516 in sequence. The rotational motion of the telescopic actuator 4252 is converted into a linear motion of the telescopic arm 422, thereby driving the telescopic arm 422 to extend and retract.

Position induction sensor 4221 is all installed around telescopic boom 422, and position induction sensor 4221 sets up to infrared sensor, and the front end and the rear end of fixed arm 421 are all installed and are triggered the trigger bar that shelters from infrared sensor. The infrared sensor is favorable for limiting the maximum displacement distance and the minimum displacement distance of the telescopic arm 422, so that the telescopic arm 422 is not easy to impact the end part of the fixed arm 421, and the telescopic arm 422 is favorable for being protected.

The end part of the telescopic arm 422 far away from the fixed arm 421 is provided with the camera 43, the camera 43 firstly takes a picture of an environment where the article is located in the process that the clamp 41 clamps the article in advance, and judges whether the clamp 41 is at the position where the article is clamped in advance according to operations such as image recognition and the like, so that the position of the clamp 41 is corrected, the clamp 41 can clamp the article correctly and stably, and the clamping precision of the manipulator mechanism is improved.

The mutual cooperation of the Z-axis lifting driving assembly 423, the X-axis opening and closing driving assembly 424 and the Y-axis stretching driving assembly 425 enables the clamp 41 to approach or move away from and pick and place the target object, so as to pick and place the target object.

Referring to fig. 16, the clamper 41 includes a base 411, an elastic stopper 412, and a clamping sensing sensor 413.

The base 411 is fixedly installed at the end part of the telescopic arm 422 far away from the fixed arm 421, and a receiving groove 4111 is formed in the middle position of the opposite side of the base 411.

The elastic limiting member 412 is installed in the accommodating groove 4111, and includes a limiting seat 4121, an elastic member 4122 and a limiting pin 4123, and the limiting seat 4121 is fixedly installed inside the base 411. The elastic member 4122 is sleeved on the limit pin 4123, and one end of the elastic member is fixedly mounted with the limit seat 4121, and the other end of the elastic member is fixedly mounted with the limit pin 4123. The extending and retracting direction of the stopper pin 4123 is perpendicular to the extending and retracting direction of the arm 422.

And the clamping induction sensor 413 is arranged at the bottom of the accommodating groove 4111 and is right opposite to the telescopic end part of the limiting pin 4123.

When the clamps 41 approach each other and clamp the article, the limit pin 4123 abuts against the article, and when the limit pin 4123 retracts, the clamping induction sensor 413 detects the limit pin 4123; if both the gripping sensing sensors 413 are triggered, it is determined that the gripper 41 has gripped the article, the opening/closing driving member 4242 stops rotating, the gripper 41 grips the article, and the manipulator mechanism performs the next operation. When the manipulator places an object to a set position, the clamps 41 are far away from each other, and at this time, the elastic member 4122 releases elastic potential energy, which helps to reset the limit pin 4123.

The base 411 is provided with a clamping groove 4112 on the opposite side, a buffer layer 4113 is installed in the clamping groove 4112, and the buffer layer 4113 is arranged as a rubber layer. The clamping groove 4112 increases the contact area between the clamp 41 and the article, so that the clamp 41 wraps the edge of the article to be clamped, thereby increasing the stability of the clamp 41 in clamping the article. The buffer layer 4113 is beneficial to buffering the collision between the clamp 41 and the article on one hand and protecting the clamp 41 and the article on the other hand; on the other hand, the friction force between the clamp 41 and the article is increased, and the clamping stability of the clamp 41 is further improved.

Referring to fig. 17, stage device 5 includes a displacement mechanism 51 and a plurality of sets of stage mechanisms 52.

The displacement mechanism 51 includes a displacement driver 511, a displacement transmission assembly 512, and a stage mount 513. The displacement drive 511 is provided as a stepping motor. The displacement transmission assembly 512 comprises a second screw member 5121 and a second nut member 5122 which are in threaded connection, and both ends of the second screw member 5121 are rotatably mounted on the frame 1 and are perpendicular to the chassis 11. One end of the second screw member 5121 is fixedly mounted to the driving shaft of the displacement driving member 511, and the displacement driving member 511 drives the second screw member 5121 to rotate. The stage mounting base 513 is fixedly mounted on the second nut member 5122, a fourth sliding block 514 is fixedly mounted on the stage mounting base 513, fourth sliding rails 515 parallel to the second screw member 5121 are mounted on two sides of the second screw member 5121 on the frame 1, and the fourth sliding block 514 is connected to the fourth sliding rails 515 in a sliding manner. The second screw member 5121 rotates to drive the second nut member 5122 to displace, so as to drive the stage mounting base 513 to be connected to the frame 1 in a sliding manner. An L-shaped stage trigger 5131 is fixedly mounted on the stage mounting base 513, stage induction sensors 5132 are mounted at two ends of the frame 1 along the length direction of the second screw member 5121, and the stage induction sensors 5132 are infrared sensors. When the stage trigger 5131 moves up and down along with the stage mount 513, once the stage induction sensor 5132 is shielded by the stage trigger 5131 for triggering, the displacement driver 511 stops rotating, that is, the stage mount 513 reaches the limit position, so as to protect the stage mount 513.

The multiple sets of stage mechanisms 52 are used for carrying articles, and the stage mechanisms 52 are arranged at intervals and comprise fixed stages 521 and movable stages 522. Fixed stage 521 is fixedly mounted on frame 1 and movable stage 522 is fixedly mounted on stage mount 513. The movable stage 522 can follow the displacement of the robot mechanism to reduce the number of steps of the robot mechanism, thereby improving the work efficiency.

Referring to fig. 18, stage mechanism 52 includes: a radio frequency component 523 for identifying a radio frequency tag placed on an article on stage mechanism 52; a positioning unit 524 for identifying whether an article is placed on stage mechanism 52; and an indicator lamp assembly 525 for indicating the operating state of the stage mechanism 52. The radio frequency assembly 523, the positioning assembly 524, and the indicator light assembly 525 are electrically connected to the control system. The rf component 523 is configured as an rf reader to facilitate identification of the rf tag on the article and real-time monitoring of the position and transportation status of the article to facilitate management of the article. The positioning component 524 is configured as a trigger button, a switch, or other sensors, and is used for identifying whether there is an article on the carrier, so that the control system can control the operation of the manipulator. Indicator light assembly 525 is an LED light and is mounted on the periphery of stage mechanism 52 to indicate the operating state of stage mechanism 52 in real time, so that the operator can monitor the operating state of the robot to determine whether the robot is charged or not.

An operation interface is further installed on one side, away from the clamping device 4, of the frame 1, so that the working personnel can conveniently debug and set parameters of the robot.

The implementation principle of the double-arm autonomous transfer robot in the embodiment of the application is as follows: the automated guided vehicle 2 can realize autonomous movement of the robot. And in case the automated guided vehicle 2 does not need to be turned around, the rotary driving device 3 can rotate the frame 1 by a set angle, so that the gripping device 4 is aligned with the object to be gripped. And the stage device 5 which can move along with the gripping device 4 is beneficial to saving the operation steps of the gripping device 4, thereby saving the operation time and improving the work efficiency.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The platform deck device is installed on a frame (1) of the autonomous transfer robot, and is characterized in that: the platform comprises a plurality of groups of platform mechanisms (52) arranged on a rack (1), wherein the platform mechanisms (52) are connected with a displacement mechanism (51) on the rack (1), the platform mechanisms (52) are arranged in parallel in the vertical direction, the displacement mechanism (51) comprises a displacement driving part (511), a displacement transmission component (512) connected with the displacement driving part (511) and a platform mounting seat (513), the platform mounting seat (513) is connected on the rack (1) in a sliding manner, the displacement transmission component (512) is connected between the rack (1) and the platform mounting seat (513) so as to drive the platform mounting seat (513) to be connected on the rack (1) in a sliding manner, and at least one group of platform mechanisms (52) is arranged on the rack (1) in a sliding manner through the platform mounting seat (513).

2. The stage apparatus of claim 1, wherein: the stage mechanism (52) comprises a fixed stage (521) and a movable stage (522), the fixed stage (521) is fixedly connected to the bottom and/or the top of the frame (1), and the movable stage (522) is fixedly connected to the stage mounting base (513).

3. The stage apparatus of claim 2, wherein: the displacement transmission assembly (512) comprises a second screw rod piece (5121) and a second nut piece (5122), two ends of the second screw rod piece (5121) are rotatably connected to the rack (1), one end of the second screw rod piece (5121) is fixedly connected with a driving shaft of the displacement driving piece (511), and the stage mounting base (513) is fixedly connected to the second nut piece (5122); a guide piece is connected between the carrying platform mounting base (513) and the machine frame (1).

4. The stage apparatus of claim 3, wherein: the guide piece comprises a fourth sliding block (514) fixedly connected to the carrying platform mounting base (513) and a fourth sliding rail (515) parallel to the second screw rod piece (5121) on the rack (1), the fourth sliding rail (515) is located on two sides of the second screw rod piece (5121), and the fourth sliding block (514) is connected to the fourth sliding rail (515) in a sliding mode.

5. The stage apparatus of claim 4, wherein: a platform trigger piece (5131) is fixedly connected to the platform mounting base (513), platform induction sensors (5132) used for detecting the platform trigger piece (5131) are arranged at two ends of the upper edge of the rack (1) along the second screw rod piece (5121), and the platform induction sensors (5132) are electrically connected to the autonomous transfer robot control system.

6. The stage apparatus of claim 1, wherein: the carrier mechanism (52) is provided with a radio frequency component (523), and the radio frequency component (523) is electrically connected to an autonomous transfer robot control system.

7. The stage apparatus of claim 1, wherein: the stage mechanism (52) is provided with a positioning assembly (524), and the positioning assembly (524) is electrically connected to a control system of the autonomous transfer robot.

8. The stage apparatus of claim 1, wherein: the carrying platform mechanism (52) is provided with an indicator lamp assembly (525), and the indicator lamp assembly (525) is electrically connected to a control system of the autonomous transfer robot.

9. An autonomous transfer robot, characterized in that: comprising an automated guided vehicle (2) and a frame (1) carried on the automated guided vehicle (2), wherein the carrier device of any one of claims 1-8 is mounted on the frame (1).