WO2019136997A1 - 一种具有双伺服同步运动的桁架装置 - Google Patents

一种具有双伺服同步运动的桁架装置 Download PDF

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Publication number
WO2019136997A1
WO2019136997A1 PCT/CN2018/100131 CN2018100131W WO2019136997A1 WO 2019136997 A1 WO2019136997 A1 WO 2019136997A1 CN 2018100131 W CN2018100131 W CN 2018100131W WO 2019136997 A1 WO2019136997 A1 WO 2019136997A1
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Prior art keywords
axis
robot arm
axis portion
servo
servo motor
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PCT/CN2018/100131
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English (en)
French (fr)
Inventor
司徒超营
卢振威
刘瑞
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广东科达洁能股份有限公司
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Publication of WO2019136997A1 publication Critical patent/WO2019136997A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00—Programme-controlled manipulators
    • B25J9/02—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type
    • B25J9/023—Cartesian coordinate type
    • B25J9/026—Gantry-type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J5/00—Manipulators mounted on wheels or on carriages
    • B25J5/02—Manipulators mounted on wheels or on carriages travelling along a guideway
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J9/00—Programme-controlled manipulators
    • B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
    • B25J9/12—Programme-controlled manipulators characterised by positioning means for manipulator elements electric
    • 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
    • B65G61/00—Use of pick-up or transfer devices or of manipulators for stacking or de-stacking articles not otherwise provided for

Definitions

  • the invention belongs to the technical field of ceramic tile production equipment, and particularly relates to a truss device with double servo synchronous motion.
  • the common six-axis robot or truss manipulator is often used to realize the tiles in x.
  • the movement of the axis, the y-axis and the z-axis, the x-axis and the y-axis respectively refer to the movement in the horizontal longitudinal direction and the horizontal horizontal direction, and the z-axis refers to the movement in the vertical direction, thereby realizing the transfer or coding of the tiles in the three-dimensional space. pile.
  • the six-axis robot will be affected by its own arm length and load, especially when the working distance is too long, because the transmission distance is too large, there will be a problem of insufficient power, and the running speed is also very unstable, so the ordinary six-axis robot is in the tile. There are many defects in the palletizing application.
  • CN202943636U discloses a truss type manipulator, specifically disclosing a linear guide on the truss, the transverse rack is arranged on the linear guide, and the longitudinal rack meshes with the gear.
  • the driving mechanism drives the gear rotation and the actuator to respectively translate, and the actuator is connected with the transverse rack and the longitudinal rack respectively.
  • the truss type manipulator drives the longitudinal rack by the gear, drives the actuator to move up and down through the connecting plate, and the driving mechanism drives the gear structure, so that the moving plate can drive the moving plate to move through the gear rack meshing principle, however, the truss type When the robot is applied to heavier tiles, the power is insufficient and the effect is not good.
  • CN202540307U discloses a truss type manipulator, and specifically discloses a column having a vertical set and supporting a base. A beam is fixed on the column, and a vertical moving beam is arranged in a direction perpendicular to the beam, and the bottom end of the vertical beam is connected.
  • the gripper, the cross beam and the vertical moving beam are provided with racks and guide rails, and the motor drives the reducer to control the moving direction and distance of the transmission gear, thereby realizing the horizontal or vertical running of the gripper.
  • the truss type robot has two sets of servo motors, only one beam has poor positioning accuracy.
  • CN 205043770 U discloses a gantry type double-arm truss robot, specifically discloses a gantry frame and a mechanical arm, the upper part of the gantry frame has a Y-axis beam, and the lower end of the mechanical arm is provided with a processing device and a positioning device, wherein the processing device is processed under the robot arm The workpiece to be processed, the positioning device detects the distance between the processing device and the workpiece to be processed, and a mechanical arm is arranged between the mechanical arm and the Y-axis beam to oscillate about an axis parallel to the Y-axis beam.
  • the two-arm truss robot lacks sufficient power and lacks sufficient safety and accuracy when lifting heavy loads.
  • the prior art lacks a tile truss device that can use multiple service environments and has sufficient safety and accuracy when subjected to heavy loads.
  • the object of the present invention is to make some improvements on the basis of the existing ceramic tile truss device, which can better solve the defects of the prior art, and provide a ceramic tile truss device with a double motor and a double truss. Make the palletizing of the tiles more secure and accurate.
  • a truss device having dual servo synchronous motion comprising a frame, a control mechanism and a gripping mechanism, the frame comprising a first x-axis portion and a second x-axis portion disposed in parallel, vertically disposed on the first x-axis portion a y-axis portion slidably coupled to the second x-axis portion and to the first x-axis portion and the second x-axis portion, vertically disposed on the y-axis portion and slidably coupled to the y-axis portion a shaft portion, the z-axis portion being coupled to the gripping mechanism, the first x-axis portion, the second x-axis portion, the y-axis portion, the z-axis portion, and the gripping mechanism Connected to the control mechanism; the first x-axis portion is provided with a first x-axis robot arm, a first x-axis dual gear-belt drive assembly disposed on the first x-axis
  • the control mechanism can control the synchronous driving of the first x-axis servo motor and the second x-axis servo motor to realize synchronous operation of the first x-axis and the second x-axis servo motor through the first x-axis double gear-
  • the V-belt drive assembly and the second x-axis dual gear-belt drive assembly drive the y-axis portion to slide along the length of the x-axis. Therefore, the truss device can drive two servo motors through the control mechanism to realize the synchronous operation of the two servo motors, thereby increasing the x-axis driving torque, and can bear heavy cargo, and the two x-axis portions can improve the stability of the device. Sex, while increasing accuracy.
  • said second x-axis planetary reducer, said second x-axis servo motor and said second x-axis servo drive are located on the same side of said second x-axis portion; said first x-axis planetary deceleration The first x-axis servo motor and the first x-axis servo drive are located on the same side of the first x-axis portion.
  • the spatial layout of the entire truss device is reasonable and does not affect the operation of the grasping mechanism.
  • the y-axis portion includes a y-axis robot arm, a y-axis dual gear-belt belt transmission assembly disposed on the y-axis robot arm, and a y-axis planetary reducer and a y-axis servo motor sequentially connected to the y-axis robot arm.
  • a y-axis servo drive that controls the y-axis servo drive to drive the y-axis actuator motion.
  • the z-axis portion includes a z-axis robot arm, a z-axis dual gear-belt belt transmission assembly disposed on the z-axis robot arm, and a z-axis planetary reducer and a z-axis servo motor sequentially connected to the z-axis robot arm.
  • a z-axis servo drive the control mechanism controls the z-axis servo drive to drive the z-axis drive motion.
  • the gripping mechanism includes a rotating jig and a rotating portion thereof, the rotating jig includes a cylinder, and the rotating portion includes a rotating planetary reducer, a rotary servo motor, and a rotary servo drive.
  • the rotating fixture further comprises a magnetic switch fixed to both ends of the rotating clamp cylinder, and the magnetic switch is configured to detect the clamped in position and the reset signal.
  • the rotating fixture further comprises a limit switch, and the limit switch is disposed on the rotating clamp.
  • the limit switch can realize the limitation of the X-axis part, the Y-axis part, the Z-axis part and the rotating part of the clamp, thereby preventing the device from being over-positioned and colliding, thereby protecting the device.
  • the rotating fixture further comprises a photosensor, the photosensor being disposed below the rotating fixture.
  • the photoelectric sensor is used to determine the number of tiles to be clamped, thereby achieving accurate positioning when the tile is placed by calculation.
  • said control structure comprises a PLC controller, a touch screen.
  • the PLC controller class performs communication control on all servo drives and touch screens of the truss device through the PROFINET port; the touch screen can realize the control of the truss device by setting the origin, the grab point and the placement point coordinates, and can also be used for the truss device The real-time coordinates are displayed.
  • the truss device adopts a first x-axis and a second x-axis, and the y-axis can smoothly slide in the horizontal direction by the double-gear-belt belt drive assembly, and the accuracy of grasping the tile is high;
  • the first x-axis and the second x-axis driving torque of the truss device are all provided with a servo motor, the device has large torque, can bear heavy cargo, and has high stability when grabbing the tile;
  • the truss device has simple design, low cost, reasonable space layout, automatic control, and large-scale application.
  • Figure 1 is a schematic view of the main structure of the device
  • Figure 2 is a schematic diagram of the control mechanism
  • Reference numerals frame 1, first x-axis portion 2, first x-axis robot arm 201, first x-axis planetary reducer 202, first x-axis servo motor 203, first x-axis dual gear-delta belt drive Assembly 204, second x-axis portion 3, second x-axis robot arm 301, second x-axis planetary reducer 302, second x-axis servo motor 303, second x-axis dual gear-belt drive assembly 304, y-axis Part 4, y-axis robot arm 401, y-axis planetary reducer 402, y-axis servo motor 403, z-axis portion 5, z-axis robot arm 501, z-axis planetary reducer 502, z-axis servo motor 503, grab mechanism 6 , rotating fixture 601, cargo 7; control mechanism 8, PLC controller 801, touch screen 802, limit switch 803, photoelectric sensor 804, first x-axis servo driver 205, second
  • a truss device with dual servo synchronous motion as shown in Figures 1 and 3, comprises a frame 1, a control mechanism 8 and a gripping mechanism 6, the frame 1 comprising a first x-axis portion 2 and a second x-axis portion 3.
  • the y-axis portion 4 and the z-axis portion 5, the first x-axis portion 2 and the second x-axis portion 3 are arranged in parallel, the first x-axis portion 2 comprising a first x-axis robot arm 201, disposed on the first x-axis machine a first x-axis dual gear-belt drive assembly 204 on the arm 201 and a first x-axis planetary reducer 202, a first x-axis servo motor 203, and a first x-axis servo sequentially connected to the first x-axis robot 201
  • the driver 205, the first x-axis servo driver 205 is connected to the control mechanism 8
  • the second x-axis portion 3 includes a second x-axis robot arm 301, and a second x-axis dual gear-triangle disposed on the second x-axis robot arm 301.
  • the belt drive assembly 304 and the second x-axis planetary reducer 302, the second x-axis servo motor 303, the second x-axis servo drive 305, the second x-axis servo drive 305 and the control are sequentially connected to the second x-axis robot 301
  • the mechanism 8 is connected; both ends of the y-axis portion 4 are connected to the first x-axis portion 2 and the second x-axis portion 3, respectively, and may be in the first x-axis portion 2
  • the second x-axis portion 3 is slidable, and the y-axis portion 4 includes a y-axis robot arm 401, a y-axis dual gear-belt belt transmission assembly disposed on the y-axis robot arm 401, and a y-axis sequentially connected to the y-axis robot arm 401.
  • the planetary reducer 402, the y-axis servo motor 403, the y-axis servo driver 404, the y-axis servo driver 404 are connected to the control mechanism 8;
  • the z-axis portion 5 is vertically disposed on the y-axis robot arm 401 of the y-axis portion 4, and the z-axis portion 5 includes a z-axis robot arm 501, a z-axis dual gear-belt belt drive assembly disposed on the z-axis robot arm 501, and a z-axis planetary reducer 502, z-axis servo motor 503, z sequentially connected to the z-axis robot arm 501.
  • Axis servo driver 504, z-axis servo driver 504 is connected to the control mechanism 8;
  • the control mechanism 8 can realize the synchronous operation of the first x-axis servo motor 203 and the second x-axis servo motor 303 by controlling the first x-axis servo driver 205 and the second x-axis servo driver 305, through the first x-axis double gear -
  • the V-belt drive assembly 204 and the second x-axis dual gear-belt drive assembly 304 drive the y-axis portion 4 to slide synchronously between the first x-axis robot arm 201 and the second x-axis robot arm 301.
  • the gripping mechanism 6 is disposed on a z-axis robot arm 501 of the z-axis portion 5, the gripping mechanism 6 including a rotating jig 601 and a rotating portion thereof, the rotating jig 601 including a cylinder, and the rotating portion including a rotary servo driver 602
  • the rotary servo motor 603 and the rotary planetary reducer are driven.
  • the rotary servo drive 602 drives the rotary servo motor 603 to rotate the rotary clamp 601.
  • the control mechanism 8 includes a PLC controller 801 and a touch screen 802.
  • the PLC controller 801 is a core part of the truss device, and is responsible for reading external state data and processing, and controlling the operation of the servo system according to the processing result.
  • the PLC controller 801 performs communication control of all servo drives of the truss device and the touch screen 802 through the PROFINET port.
  • the touch screen 802 is a simple human-machine interaction interface. The interface can be used to intuitively obtain the running status information of the device, and can also operate the touch screen 802 by setting the origin, the grab point, and the placement point.
  • the coordinates realize the control of the truss device, and the real-time coordinates of the truss device can also be displayed to realize the control of the device.
  • the limit switch 803 can detect whether the first x-axis portion 2, the second x-axis portion 3, the Y-axis portion 4, the Z-axis portion 5, and the grasping mechanism 6 are over-positioned, thereby avoiding the safety hazard of equipment collision .
  • the PLC controller 801 is connected to the first x-axis servo driver 205, the second x-axis servo driver 305, the y-axis servo driver 404, the z-axis servo driver 504, and the rotary servo driver 602, and the PLC controller 801 issues a pulse command through the PROFINET port.
  • All servo drives control the movement modes of the first x-axis servo motor 203, the second x-axis servo motor 303, the y-axis servo motor 403, the z-axis servo motor 503, and the rotary servo motor 603 according to the command, so that the truss device can be moved to The corresponding position of the cargo 7 and the grabbing of the goods 7.
  • the rotating jig 601 further includes a magnetic switch fixed to both ends of the rotating jig 601, and the magnetic switch is configured to detect the pinch in position and the reset signal.
  • the rotating jig 601 further includes a limit switch 803.
  • the limit switch 803 is disposed on the rotating fixture, and can detect whether the first x-axis portion 2, the second x-axis portion 3, the Y-axis portion 4, the Z-axis portion 5, and the grasping mechanism 6 are over-positioned, thereby avoiding The safety hazard of equipment collision.
  • the rotating jig 601 further includes a photosensor 804 disposed below the rotating jig.
  • the photoelectric sensor 804 can measure the number of packages of the fixture at a time, and send the quantity signal to the PLC controller 801, and then calculate and process the PLC controller 801 to control the entire truss device, thereby achieving accurate placement.

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  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)

Abstract

一种具有双伺服同步运动的桁架装置，包括机架（1）、控制机构（8）和抓取机构（6），机架（1）包括平行设置的第一x轴部分（2）和第二x轴部分（3），垂直设置于第一x轴部分（2）和第二x轴部分（3）之间、并与第一x轴部分（2）和第二x轴部分（3）可滑动连接的y轴部分（4），竖直设置于y轴部分（4）上、并在y轴部分（4）上可滑动连接的z轴部分（5），z轴部分（5）与抓取机构（6）连接，第一x轴部分（2）和第二x轴部分（3）均设置了伺服电机。

Description

一种具有双伺服同步运动的桁架装置 技术领域
本发明属于瓷砖生产设备技术领域，具体涉及一种具有双伺服同步运动的桁架装置。
背景技术
在瓷砖生产行业中，要实现瓷砖的码垛，由于瓷砖自身较重且易碎的特性，选择人力搬运以及叉车效率低且成本高，因此常常使用普通六轴机器人或者桁架机械手，实现瓷砖在x轴、y轴以及z轴的移动，x轴、y轴分别指在水平纵向以及水平横向的移动，z轴指的是在坚直方向的移动，从而实现在三维空间内对瓷砖进行转运或者码垛。但是，六轴机器人会受到自身臂长以及负荷影响，尤其是工作距离较远时，由于传动距离过大，会出现动力不足的问题，而且运行速度也很不稳定，因此普通六轴机器人在瓷砖的码垛应用存在较多缺陷。
现有瓷砖的码垛更多地使用桁架机械手，如CN202943636U公开了一种桁架式机械手，具体公开了在桁架上设有直线导轨，横向齿条设置在直线导轨上，纵向齿条与齿轮啮合，驱动机构分别驱动齿轮转动与执行机构平移，执行机构分别与横向齿条、纵向齿条联动连接。该桁架式机械手利用齿轮驱动纵向齿条，通过连接板，带动执行机构上下移动，而驱动机构通过驱动齿轮结构，使移动板可以通过齿轮齿条啮合原理，带动移动板平移，然而，该桁架式机械手应用于较重的瓷砖码垛时，动力不足，效果不佳。
CN202540307U公开了桁架式机械手，具体公开了具有一组垂直设置并起基础支撑作用的立柱，在立柱上固定有一横梁，与该横梁垂直的方向设有一垂直动梁，该垂直动梁的底端连接抓件用的气爪，横梁及垂直动梁上都设有齿条和导轨，采用电机带动减速机控制传动齿轮的移动方向和距离，从而实现气爪水平或垂直方向的运行。然而，虽然该桁架式机械手有两组伺服电机，但只有一个横梁，定位距离的准确性欠佳。
CN 205043770 U公开了龙门式双臂桁架机器人，具体公开了龙门框架和机械臂，龙门框架的上部具有Y轴横梁，机械臂的下端设有加工装置和定位装置，其中加工装置加工机械臂下方的待加工件，定位装置检测加工装置与待加工件之间的间距，机械臂与Y轴横梁之间设有驱动机械臂绕平行于Y轴横梁的轴线摆动。然而，该双臂桁架机器人在提起较重 负荷时，动力不足，欠缺足够的安全性以及准确性。
综上，现有技术缺乏一种能使用多种服役环境，而且承担较重负荷时具备足够的安全性、准确性的瓷砖码垛桁架装置。
发明内容
本发明目的是在现有瓷砖码垛桁架装置的基础之上做出了一些改进，能够较好解决现有技术存在的缺陷，提供了一种具有双电机、双桁架的瓷砖码垛桁架装置，使得瓷砖的码垛更加的安全和准确。
本发明的技术方案如下：
一种具有双伺服同步运动的桁架装置，包括机架、控制机构和抓取机构，所述机架包括平行设置的第一x轴部分和第二x轴部分，垂直设置于第一x轴部分和第二x轴部分之间、并与第一x轴部分和第二x轴部分可滑动连接的y轴部分，竖直设置于y轴部分上、并在y轴部分上可滑动连接的z轴部分，所述z轴部分与所述抓取机构连接，所述第一x轴部分、所述第二x轴部分、所述y轴部分、所述z轴部分和所述抓取机构均与所述控制机构连接；所述第一x轴部分设置有第一x轴机械臂、设置在第一x轴机械臂上的第一x轴双齿轮-三角带传动组件以及与第一x轴机械臂依次连接的第一x轴行星减速机、第一x轴伺服电机、第一x轴伺服驱动器，所述第二x轴部分设置有第二x轴机械臂、设置在第二x轴机械臂上的右x轴双齿轮-三角带传动组件以及与第二x轴机械臂依次连接的第二x轴行星减速机、第二x轴伺服电机、第二x轴伺服驱动器。
所述控制机构可控制所述第一x轴伺服电机和所述第二x轴伺服电机同步驱动，实现第一x轴和第二x轴伺服电机的同步运行，通过第一x轴双齿轮-三角带传动组件和第二x轴双齿轮-三角带传动组件带动y轴部分沿x轴长度方向滑动。因此，桁架装置可通过控制机构对两个伺服电机进行驱动，实现两个伺服电机的同步运行，进而能够增加x轴驱动力矩，可以承担较重的货物，同时两个x轴部分可提高设备稳定性，同时增加精确度。
作为优选，所述第二x轴行星减速机、所述第二x轴伺服电机和所述第二x轴伺服驱动器位于所述第二x轴部分的同一侧；所述第一x轴行星减速机、所述第一x轴伺服电机和所述第一x轴伺服驱动器位于所述第一x轴部分的同一侧。整个桁架装置空间布局较为合理，不影响抓取机构的运行。
作为优选，所述y轴部分包括y轴机械臂、设置在y轴机械臂上的y轴双齿轮-三角带 传动组件以及与y轴机械臂依次连接的y轴行星减速机、y轴伺服电机、y轴伺服驱动器，所述控制机构可控制y轴伺服驱动器驱动所述y轴驱动器运动。
作为优选，所述z轴部分包括z轴机械臂、设置在z轴机械臂上的z轴双齿轮-三角带传动组件以及与z轴机械臂依次连接的z轴行星减速机、z轴伺服电机、z轴伺服驱动器，所述控制机构可控制z轴伺服驱动器驱动所述z轴驱动器运动。
作为优选，所述抓取机构包括旋转夹具及其旋转部分，所述旋转夹具包含气缸，所述旋转部分包括旋转行星减速机、旋转伺服电机、旋转伺服驱动器。
作为优选，所述旋转夹具还包括磁性开关，所述磁性开关固定于所述旋转夹具气缸两端，所述磁性开关，用以检测夹取到位及复位信号。
作为优选，所述旋转夹具还包括限位开关，所述限位开关设置于所述旋转夹具上。所述限位开关可以实现对X轴部分、Y轴部分、Z轴部分以及夹具旋转部分的限位，防止装置出现过位、碰撞，从而起到保护作用。
作为优选，所述旋转夹具还包括光电传感器，所述光电传感器设置于所述旋转夹具下方。所述光电传感器用以判断夹起瓷砖包数，从而通过计算在放置瓷砖时实现精准定位。
作为优选，所述控制结构包括PLC控制器、触摸屏。所述PLC控制器课通过PROFINET端口对桁架装置的所有伺服驱动器及触摸屏进行通信控制；所述触摸屏可以通过设定原点、抓取点、放置点坐标实现对桁架装置的控制，也可对桁架装置的实时坐标进行显示。
本发明的有益效果有：
(1)本桁架装置采用第一x轴和第二x轴，y轴能够在水平方向依靠双齿轮-三角带传动组件平稳地滑动，抓取瓷砖时精确性高；
(2)本桁架装置的第一x轴和第二x轴驱动力矩均设置了伺服电机，装置力矩大，能够承担较重的货物，抓取瓷砖时稳定性高；
(3)本桁架装置相对于现有的桁架装置，装置设计简单，成本低，空间布局合理，能够实现自动化控制，能够大规模推广应用。
附图说明
图1装置主体结构示意图；
图2控制机构示意图图；
附图标记：机架1、第一x轴部分2、第一x轴机械臂201、第一x轴行星减速机202、 第一x轴伺服电机203、第一x轴双齿轮-三角带传动组件204、第二x轴部分3、第二x轴机械臂301、第二x轴行星减速机302、第二x轴伺服电机303、第二x轴双齿轮-三角带传动组件304、y轴部分4、y轴机械臂401、y轴行星减速机402、y轴伺服电机403、z轴部分5、z轴机械臂501、z轴行星减速机502、z轴伺服电机503、抓取机构6、旋转夹具601、货物7；控制机构8、PLC控制器801、触摸屏802、限位开关803、光电传感器804、第一x轴伺服驱动器205、第二x轴伺服驱动器305、y轴伺服驱动器404、z轴伺服驱动器504、旋转伺服驱动器602、旋转伺服电机603。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步说明：
实施例1
一种具有双伺服同步运动的桁架装置，如图1和图3所示，包括机架1、控制机构8和抓取机构6，机架1包括第一x轴部分2、第二x轴部分3、y轴部分4和z轴部分5，第一x轴部分2和第二x轴部分3平行设置，第一x轴部分2包括第一x轴机械臂201、设置在第一x轴机械臂201上的第一x轴双齿轮-三角带传动组件204以及与第一x轴机械臂201依次连接的第一x轴行星减速机202、第一x轴伺服电机203、第一x轴伺服驱动器205，第一x轴伺服驱动器205与控制机构8连接，第二x轴部分3包括第二x轴机械臂301、设置在第二x轴机械臂301上的第二x轴双齿轮-三角带传动组件304以及与第二x轴机械臂301依次连接的第二x轴行星减速机302、第二x轴伺服电机303、第二x轴伺服驱动器305，第二x轴伺服驱动器305与控制机构8连接；y轴部分4的两端分别与第一x轴部分2和第二x轴部分3连接，并且可以在第一x轴部分2和第二x轴部分3上滑动，y轴部分4包括y轴机械臂401、设置在y轴机械臂401上的y轴双齿轮-三角带传动组件以及与y轴机械臂401依次连接的y轴行星减速机402、y轴伺服电机403、y轴伺服驱动器404，y轴伺服驱动器404与控制机构8连接；z轴部分5垂直设置在y轴部分4的y轴机械臂401上，z轴部分5包括z轴机械臂501、设置在z轴机械臂501上的z轴双齿轮-三角带传动组件以及与z轴机械臂501依次连接的z轴行星减速机502、z轴伺服电机503、z轴伺服驱动器504，z轴伺服驱动器504与控制机构8连接；
控制机构8可通过控制第一x轴伺服驱动器205和第二x轴伺服驱动器305，实现第一x轴伺服电机203和第二x轴伺服电机303的同步运行，通过第一x轴双齿轮-三角带传动 组件204和第二x轴双齿轮-三角带传动组件304带动y轴部分4在第一x轴机械臂201和第二x轴机械臂301同步滑动。
抓取机构6设置在z轴部分5的z轴机械臂501上，所述抓取机构6包括旋转夹具601及其旋转部分，所述旋转夹具601包含气缸，所述旋转部分包括旋转伺服驱动器602、旋转伺服电机603、旋转行星减速机；所述旋转伺服驱动器602驱动旋转伺服电机603，可实现旋转夹具601旋转。
如图3所示，控制机构8包括PLC控制器801、触摸屏802；所述的PLC控制器801是桁架装置中的核心部分，负责读取外部状态数据并进行处理，根据处理结果控制伺服系统运行；所述PLC控制器801通过PROFINET端口对桁架装置的所有伺服驱动器及触摸屏802进行通信控制。所述的触摸屏802，是操作简单的人机交互界面，通过此界面，可以直观的获得设备的运行状态信息，同时也可以对触摸屏802进行操作，可以通过设定原点、抓取点、放置点坐标实现对桁架装置的控制，也可对桁架装置的实时坐标进行显示，实现对设备的控制。所述的限位开关803，可以检测第一x轴部分2、第二x轴部分3、Y轴部分4、Z轴部分5、抓取机构6是否过位，从而规避设备碰撞存在的安全隐患。
PLC控制器801与第一x轴伺服驱动器205、第二x轴伺服驱动器305、y轴伺服驱动器404、z轴伺服驱动器504、旋转伺服驱动器602连接，PLC控制器801通过PROFINET端口发出脉冲指令，所有伺服驱动器再根据指令控制第一x轴伺服电机203、第二x轴伺服电机303、y轴伺服电机403、z轴伺服电机503和旋转伺服电机603的运动方式，可以使桁架装置运动到与货物7相应的位置，以及抓取货物7。
作为优选的实施例，所述旋转夹具601还包括固定于所述旋转夹具601两端的磁性开关，所述磁性开关，用以检测夹取到位及复位信号。
作为优选的实施例，所述旋转夹具601还包括限位开关803。所述限位开关803设置于所述旋转夹具上，可以检测第一x轴部分2、第二x轴部分3、Y轴部分4、Z轴部分5、抓取机构6是否过位，从而规避设备碰撞存在的安全隐患。
作为优选的实施例，旋转夹具601还包括光电传感器804，所述光电传感器804设置于所述旋转夹具下方。所述的光电传感器804，可以测量夹具一次夹起瓷砖的包数，并把该数量信号发送给PLC控制器801，经过PLC控制器801计算处理再控制整个桁架装置，从而达到精准放置的目的。
根据上述说明书的揭示和教导，本发明所属领域的技术人员还可以对上述实施方式进行变更和修改。因此，本发明并不局限于上面揭示和描述的具体实施方式，对发明的一些修改和变更也应当落入本发明的权利要求的保护范围内。此外，尽管本说明书中使用了一些特定的术语，但这些术语只是为了方便说明，并不对本发明构成任何限制。

Claims (9)

  1. 一种具有双伺服同步运动的桁架装置，包括机架、控制机构和抓取机构，其特征在于，所述机架包括x轴部分、y轴部分、z轴部分，所述x轴部分包括平行设置的第一x轴部分和第二x轴部分，所述y轴部分垂直设置于第一x轴部分和第二x轴部分之间、并与第一x轴部分和第二x轴部分可滑动连接，所述z轴部分竖直设置于y轴部分上、并在y轴部分上可滑动连接，所述抓取机构与所述z轴部分连接；所述第一x轴部分设置有第一x轴机械臂、设置在第一x轴机械臂上的第一x轴双齿轮-三角带传动组件以及与第一x轴机械臂依次连接的第一x轴行星减速机、第一x轴伺服电机、第一x轴伺服驱动器，所述第二x轴部分设置有第二x轴机械臂、设置在第二x轴机械臂上的右x轴双齿轮-三角带传动组件以及与第二x轴机械臂依次连接的第二x轴行星减速机、第二x轴伺服电机、第二x轴伺服驱动器。
  2. 一种如权利要求1所述的桁架装置，其特征在于，所述第二x轴行星减速机、所述第二x轴伺服电机和所述第二x轴伺服驱动器位于所述第二x轴部分的同一侧；所述第一x轴行星减速机、所述第一x轴伺服电机和所述第一x轴伺服驱动器位于所述第一x轴部分的同一侧。
  3. 一种如权利要求1或2所述的桁架装置，其特征在于，所述y轴部分包括y轴机械臂、设置在y轴机械臂上的y轴双齿轮-三角带传动组件以及与y轴机械臂依次连接的y轴行星减速机、y轴伺服电机、y轴伺服驱动器，所述控制机构可控制y轴伺服驱动器驱动所述y轴驱动器运动。
  4. 一种如权利要求1或2所述的桁架装置，其特征在于，所述z轴部分包括z轴机械臂、设置在z轴机械臂上的z轴双齿轮-三角带传动组件以及与z轴机械臂依次连接的z轴行星减速机、z轴伺服电机、z轴伺服驱动器，所述控制机构可控制所述z轴伺服驱动器驱动z轴伺服电机运动。
  5. 一种如权利要求1或2所述的桁架装置，其特征在于，所述抓取机构包括旋转夹具及其旋转部分，所述旋转夹具包含气缸，所述旋转部分包括旋转行星减速机、旋转伺服电机、旋转伺服驱动器。
  6. 一种如权利要求5所述的桁架装置，其特征在于，所述旋转夹具还包括磁性开关，所述磁性开关固定于所述旋转夹具气缸两端。
  7. 一种如权利要求5所述的桁架装置，其特征在于，所述旋转夹具还包括限位开关， 所述限位开关设置于所述旋转夹具上。
  8. 一种如权利要求5所述的桁架装置，其特征在于，所述抓取机构还包括光电传感器，所述光电传感器设置于所述旋转夹具下方。
  9. 一种如权利要求2或6所述的桁架装置，其特征在于，所述控制结构包括PLC控制器、触摸屏。
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CN108705522A (zh) * 2018-06-26 2018-10-26 湖北火爆机器人科技有限公司 一种四轴桁架机器人
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