Automatic rubbing roller storage system and pick-and-place method

Patent metadata

Field	Value
Publication number	US-9522782-B2
Application number	US-201514894156-A
Country	US
Kind code	B2
Filing date	Jun 3, 2015
Priority date	Dec 12, 2014
Publication date	Dec 20, 2016
Grant date	Dec 20, 2016

Abstract

An automatic rubbing roller storage system includes a roller storing device, a roller transport track, a roller transport platform and a positioning device; the roller storing device includes a rotatable roller storing portion, the roller storing portion has one end provided with a first damper and the other end provided with a second damper, and the roller is held therebetween; the roller transport platform includes a sliding base and a roller placement platform; a transmission device is disposed between the roller transport track and the sliding base. The automatic rubbing roller storage system can achieve automatic roller pick-and-place operation, improve the efficiency, save a large number of human labors and reduce the production and maintenance cost. An automatic rubbing roller pick-and-place method is also provided.

First claim

What is claimed is:

1. An automatic rubbing roller storage system, comprising a roller storing device, a roller transport track, a roller transport platform and a positioning device, wherein,
the roller storing device comprises a rotatable roller storing portion, the roller storing portion has one end connected to a first holder and the other end connected to a second holder; the first holder and the second holder are fixedly mounted at two sides of the roller transport track; the first holder is provided with a first motor configured to drive the roller storing portion to rotate; one end of the roller storing portion is provided with at least two first dampers uniformly distributed along a circumferential direction, and the other end of the roller storing portion is provided with second dampers corresponding to the first dampers; and the first damper and the corresponding second damper are cooperated with each other to hold a roller therebetween;
the roller transport platform is disposed on the roller transport track, and comprises a sliding base slidably engaged with the roller transport track and a roller placement platform for placing the roller; a transmission device and a guiding pair are disposed between the roller transport track and the sliding base so as to drive the sliding base to move in linear motion along the roller transport track; the sliding base is provided with a first lifting device configured to drive the roller placement platform to move upwards and downwards; and the roller placement platform is provided with a roller placement slot;
the positioning device comprises a sensor configured to sense the roller transport platform, and the sensor is fixed on at least one of the first holder and the second holder and is electrically connected to a control unit; and
a movement condition of each of the first motor, the transmission device and the first lifting device is controlled by the control unit, and a clamping action of at least one of the first damper and the second damper is controlled by the control unit.

2. The automatic rubbing roller storage system of claim 1 , wherein the first damper is a pneumatic claw, the second damper is a claw groove, and a clamping action of the pneumatic claw is controlled by the control unit.

3. The automatic rubbing roller storage system of claim 1 , wherein the transmission device comprises a rack disposed along a length direction of the roller transport track, a gear engaged with the rack, and a roller transport motor configured to drive the gear to rotate; an outer casing of the roller transport motor is fixedly connected at the sliding base, an output shaft of the roller transport motor is fixedly connected to the gear, and the roller transport motor is electrically connected to the control unit.

4. The automatic rubbing roller storage system of claim 1 , wherein the first lifting device is a cylinder, a base of the cylinder is fixedly connected to the sliding base, a piston rod of the cylinder is fixedly connected to the roller placement platform, and an up-and-down action for stretching out and drawing back of the piston rod of the cylinder is controlled by the control unit.

5. The automatic rubbing roller storage system of claim 1 , wherein the roller transport track is provided with a guiding track along a length direction thereof, the sliding base is provided with a guiding groove slidably engaged with the guiding track, and a slidable engagement between the guiding track and the guiding groove forms the guiding pair.

6. The autor automatic rubbing roller storage system of claim 1 , wherein the roller placement slot is arranged in two rows in parallel.

7. An automatic rubbing roller pick-and-place method by using the automatic rubbing roller storage system of claim 1 , comprising a roller-picking step, a roller-transporting step and a roller-storing step which are performed in sequence, wherein,
the roller-picking step comprises: the control unit controls the transmission device between the roller transport platform and the roller transport track to drive the roller transport platform to move along the roller transport track until reaching a roller-picking ready position of a rubbing machinery carried with a roller to be picked; then the control unit controls the first lifting device to drive the roller placement platform to move upwards until reaching a receiving position at a certain height; then an automatic roller-loading device of the rubbing machinery automatically loads the roller to be picked into the roller placement slot on the roller placement platform; then the control unit controls the first lifting device to drive the roller placement platform to move downwards to return to an original position;
the roller-transporting step comprises: the control unit controls the transmission device to drive the roller transport platform carried with the roller to move until reaching a roller-storing ready position of the roller storing device, then controls the positioning device to precisely position the roller transport platform;
the roller-storing step comprises: the control unit controls the first motor to drive the roller storing portion to rotate by a certain angle, so as to allow a corresponding storing position on the roller storing portion being right above the roller on the roller transport platform which has been precisely positioned; then the control unit controls the first lifting device to drive the roller placement platform upwards until reaching a clamping position, and/or, controls the second motor to drive the roller storing portion to move downwards until reaching the clamping position; then the control unit controls the first damper and the second damper to hold the roller therebetween; then the control unit controls the first lifting device to drive the roller placement platform to move downwards to return to its original position, and/or, controls the second motor to drive the roller storing portion to move upwards to return to its original position.

8. An automatic rubbing roller pick-and-place method by using the automatic rubbing roller storage system of claim 1 , comprising a roller-picking step, a roller-transporting step and a roller-storing step which are performed in sequence, wherein,
the roller-picking step comprises: the control unit controls the transmission device between the roller transport platform and the roller transport track to drive the roller transport platform to move along the roller transport track until reaching a roller-picking ready position of a rubbing machinery carried with a roller to be picked; then the control unit controls the first lifting device to drive the roller placement platform to move upwards until reaching a receiving position at a certain height; then an automatic roller-loading device of the rubbing machinery automatically loads the roller to be picked into the roller placement slot on the roller placement platform; then the control unit controls the first lifting device to drive the roller placement platform to move downwards to return to an original position;
the roller-transporting step comprises: the control unit controls the transmission device to drive the roller transport platform carried with the roller to move until reaching a roller-storing ready position of the roller storing device, then controls the positioning device to precisely position the roller transport platform;
the roller-storing step comprises: the control unit controls the first lifting device to drive the roller placement platform to move upwards until reaching a clamping position, and/or, controls the second motor to drive the roller storing portion to move downwards until reaching the clamping position; then the control unit controls the first motor to drive the ro

Assignees

• Boe Technology Group Co Ltd
• Hefei Xinsheng Optoelectronics Technology Co Ltd

Inventors

• Wang Wenhao
• Huang Zhubing
• Hong Yanping

Classifications

• B65G1/137 Primary

  with arrangements or automatic control means for selecting which articles are to be removed · CPC title

• G05B15/02

  electric · CPC title

• B65G1/10

  with relatively movable racks to facilitate insertion or removal of articles {(cabinets with means for moving compartments up and down A47B51/00; cabinet system, e.g. consisting of cabinets arranged in a row with means to open or close passages between adjacent cabinets A47B53/02)} · CPC title