Mechanical bar conveying device

Patent metadata

Field	Value
Publication number	US-10281899-B2
Application number	US-201615336477-A
Country	US
Kind code	B2
Filing date	Oct 27, 2016
Priority date	Oct 30, 2015
Publication date	May 7, 2019
Grant date	May 7, 2019

Abstract

The invention provides a mechanical bar conveying device consisting of a horizontal travel limiting device (1), a vertical axis servo reducer (2), a vertical descent depth detector (3), a vertical axis travelling mechanism (4), a horizontal axis servo reducer (5), a horizontal drive gear (6), a horizontal tow chain (7), a horizontal moving mechanism (8), a manipulator torque detector (9), a safety detection mechanism (10), a main frame (11), a horizontal frame (12), a vertical movement mechanism (16), a tow chain bracket (17), a tow chain (18), a vertical rack-and-pinion mechanism (19), a horizontal linear guide track (20), a vertical beam (21), a claw clamping mechanism (22), a claw ball screw (23), a manipulator servo reducer (24), a manipulator depth detector (25), and a claw and travel limiting combined mechanism (26). The device realizes automatic conveying of bars, and avoids the problems of manual conveying process, such as high environmental temperature, large intensity, low work efficiency and high risk of industrial accidents.

First claim

The invention claimed is:

1. A mechanical bar conveying device comprising:
a horizontal travel limiting device ( 1 ), a vertical axis servo reducer ( 2 ), a vertical descent depth detector ( 3 ), a vertical axis travelling mechanism ( 4 ), a horizontal axis servo reducer ( 5 ), a horizontal drive gear ( 6 ), a horizontal tow chain ( 7 ), a horizontal moving mechanism ( 8 ), a manipulator torque detector ( 9 ), a safety detection mechanism ( 10 ), a main frame ( 11 ), a horizontal frame ( 12 ), a vertical movement mechanism ( 16 ), a tow chain bracket ( 17 ), a tow chain ( 18 ), a vertical rack-and-pinion mechanism ( 19 ), a horizontal linear guide track ( 20 ), a vertical beam ( 21 ), a claw clamping mechanism ( 22 ), a claw ball screw ( 23 ), a manipulator servo reducer ( 24 ), a manipulator depth detector ( 25 ), and a claw and travel limiting combined mechanism ( 26 ), wherein the main frame ( 11 ) is mounted on the ground, the horizontal frame ( 12 ) is mounted on the main frame ( 11 ), so that the main frame ( 11 ) and the horizontal frame ( 12 ) are assembled into a main frame assembly ( 15 ); the horizontal linear guide track ( 20 ) is mounted on the horizontal frame ( 12 ) with its guide track direction being horizontal; the horizontal travel limiting device ( 1 ) is mounted on the horizontal frame ( 12 ) and located at one end of the horizontal linear guide track ( 20 ); the horizontal moving mechanism ( 8 ) is mounted on the horizontal linear guide track ( 20 ), and the horizontal axis servo reducer ( 5 ) and the horizontal tow chain ( 7 ) are mounted to the horizontal moving mechanism ( 8 ) and arranged to allow the horizontal moving mechanism ( 8 ) to move on the horizontal linear guide track ( 20 ) by the horizontal drive gear ( 6 ), to achieve free movement in a horizontal direction; the vertical descent depth detector ( 3 ), the tow chain bracket ( 17 ), the tow chain ( 18 ) and the vertical rack-and-pinion mechanism ( 19 ) are mounted on the vertical beam ( 21 ); the vertical axis servo reducer ( 2 ) and the vertical axis travelling mechanism ( 4 ) are vertically mounted on the horizontal moving mechanism ( 8 ) and arranged to fix and support the vertical beam ( 21 ) by engagement of the vertical rack-and-pinion mechanism ( 19 ); the manipulator torque detector ( 9 ), the safety detection mechanism ( 10 ), the manipulator depth detector ( 25 ) and the claw and travel limiting combined mechanism ( 26 ) form a claw portion of the mechanical bar conveying device, which is connected onto a bottom end of the vertical beam ( 21 ); the vertical axis travelling mechanism ( 4 ) is vertically mounted on a crossbeam of the horizontal moving mechanism ( 8 ) and arranged to make free movement in a vertical direction by the vertical movement mechanism ( 16 ) and driving the vertical rack-and-pinion mechanism ( 19 ); the claw clamping mechanism ( 22 ) is connected with the manipulator servo reducer ( 24 ) by the claw ball screw ( 23 ), and the claw clamping mechanism ( 22 ) is mounted at a bottom end of the vertical axis travelling mechanism ( 4 ) and connected with the claw and travel limiting combined mechanism ( 26 ); the claw clamping mechanism ( 22 ) and the claw ball screw ( 23 ) are arranged to control fastening and unfastening of the claw and travel limiting combined mechanism ( 26 ); the vertical axis travelling mechanism ( 4 ), the horizontal moving mechanism ( 8 ) and the claw clamping mechanism ( 22 ) are driven by a servomotor; and the vertical descent depth detector ( 3 ), the manipulator torque detector ( 9 ) and the manipulator depth detector ( 25 ) are connected to the vertical axis travelling mechanism ( 4 ) and arranged to detect vertical descent depth, claw torque and claw depth, respectively.

2. The mechanical bar conveying device according to claim 1 , wherein the mechanical bar conveying device is arranged to be controlled by a programmable logic controller, and the programmable logic controller is arranged to be a global positioning system for automatic addressing operation.

3. The mechanical bar conveying device according to claim 1 , wherein the programmable logic controller is arranged to calculate a first bar position, relative positioning address of each layer of bars and absolute positioning address relative to the device zero point, based on input bar diameters, numbers of bar stacking layers and bar stacking positions, and is arranged to calculate the moving distance of the claw and travel limiting combined mechanism ( 26 ) under the control of the servomotor, based on a relative positioning address of the conveyed bar.

4. The mechanical bar conveying device according to claim 3 , wherein the horizontal axis of the claw and travel limiting combined mechanism ( 26 ) takes, as the maximum value of horizontal movement at each time, the sum of or the difference between the product of the first bar positioning data as base number multiplied by the number of bars stacked in the horizontal direction and the difference in number between the odd and even layers of bars stacked, the vertical axis of the mechanism ( 26 ) takes, as the maximum value of vertical movement at each time, the difference between the product of the first bar positioning data as base number multiplied by the number of bars stacked in the vertical direction and the corresponding ratio of bar diameter to arc length, and the triaxial servomotor (horizontal axis, claw axis and vertical axis) is driven in the mode of collector continuous pulse data strings to accurately operate each set of positioning data in the linear interpolation form.

Assignees

• Citic Dicastal Co Ltd

Inventors

• Liu Taotao

Classifications

• B66C1/42

  Gripping members engaging only the external or internal surfaces of the articles (for handling or stripping castings or ingots during manufacture B22D29/00) · CPC title

• B66C5/02

  Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape {or tripods} · CPC title

• B66C19/00

  Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries (B66C17/00 takes precedence; base supporting structures with legs B66C5/00; jib cranes B66C23/00) · CPC title

• G05B2219/2637

  Vehicle, car, auto, wheelchair · CPC title

• B66C1/425 Primary

  motor actuated (B66C1/44, B66C1/58 take precedence) · CPC title