Conveying device and inspection system

Patent metadata

Field	Value
Publication number	US-12404110-B2
Application number	US-202118255072-A
Country	US
Kind code	B2
Filing date	Nov 22, 2021
Priority date	Dec 4, 2020
Publication date	Sep 2, 2025
Grant date	Sep 2, 2025

Abstract

A conveying device ( 100 ) and an inspection system ( 1000 ) are provided. The conveying device includes: a first support frame ( 1 ); a first conveying mechanism ( 2 ) and a second conveying mechanism ( 3 ) which are installed on the first support frame; and a switching mechanism ( 4 ) configured to selectively lift the first conveying mechanism or the second conveying mechanism in a vertical direction, such that the first conveying mechanism or the second conveying mechanism carries goods ( 401 ) and conveys the goods in a first horizontal direction or a second horizontal direction different from the first horizontal direction. The conveying device may achieve a positioning and a smooth continuous conveying of goods, and achieve a smooth conveying and a calibrated positioning of the goods in different postures.

First claim

What is claimed is:

1. A conveying device ( 100 ), comprising:
a first support frame ( 1 );
a first conveying mechanism ( 2 ) and a second conveying mechanism ( 3 ) which are installed on the first support frame; and
a switching mechanism ( 4 ) configured to selectively lift the first conveying mechanism or the second conveying mechanism in a vertical direction, such that the first conveying mechanism or the second conveying mechanism carries goods ( 401 ) and conveys the goods in a first horizontal direction (F 1 ) or a second horizontal direction (F 2 ) different from the first horizontal direction,
wherein the first conveying mechanism comprises: a second support frame ( 21 ) installed on the first support frame; a first rolling mechanism ( 22 ) installed on the second support frame and suitable for carrying the goods under a drive of the switching mechanism; and a second driving mechanism ( 23 ) suitable for driving the first rolling mechanism to rotate relative to the second support frame, such that the first rolling mechanism pushes the goods to move in the first horizontal direction;
wherein the second conveying mechanism comprises: a third support frame ( 31 ) installed on the first support frame; a second rolling mechanism ( 32 ) installed on the third support frame and suitable for carrying the goods under the drive of the switching mechanism; and a third driving mechanism ( 33 ) suitable for driving the second rolling mechanism to rotate relative to the third support frame, such that the second rolling mechanism pushes the goods to move in the second horizontal direction;
wherein the switching mechanism comprises: a plurality of first lifting mechanisms ( 41 ) suitable for lifting the second support frame; a plurality of second lifting mechanisms ( 42 ) suitable for lifting the third support frame; and a fourth driving mechanism ( 43 ) configured to selectively drive the plurality of first lifting mechanisms to lift the second support frame, or drive the plurality of second lifting mechanisms to lift the third support frame.

2. The conveying device according to claim 1 , further comprising: a fixation base ( 5 ), wherein the first support frame is rotatably installed on the fixation base.

3. The conveying device according to claim 2 , wherein the first support frame comprises:
an annular frame ( 11 );
a first base ( 12 , 13 ) installed at a lower portion of the annular frame; and
a rotating ring ( 14 ) arranged on the first base and located at a center of the annular frame, and
wherein the fixation base comprises:
a second base ( 51 ) fixedly installed relative to the ground; and
a first pivot ( 52 ) fixed on the second base, wherein the rotating ring is rotatably installed on the first pivot.

4. The conveying device according to claim 3 , further comprising: a first driving mechanism ( 6 ) configured to drive the rotating ring to rotate relative to the fixation base.

5. The conveying device according to claim 4 , wherein the first driving mechanism comprises:
a first support seat ( 61 ) fixedly installed relative to the ground;
a first motor ( 62 ) installed on the first support seat; and
a first driving wheel ( 63 ) installed on a driving shaft of the first motor, wherein the first driving wheel ( 63 ) is in rotatable contact with the annular frame so as to drive the rotating ring to rotate.

6. The conveying device according to claim 3 , further comprising: a plurality of balance mechanisms ( 7 ) fixedly installed relative to the ground and rotatably supported at the lower portion of the annular frame at a predetermined interval, so as to keep a transverse frame substantially parallel to a horizontal plane;
wherein each of the plurality of balance mechanisms comprises:
a second support seat ( 71 ) fixedly installed relative to the ground; and
at least one first rolling wheel ( 72 ) installed on the second support seat, wherein the at least one first rolling wheel rotatably supports the annular frame.

7. The conveying device according to claim 1 , wherein the fourth driving mechanism comprises:
a second motor ( 431 ); and
two first driving shafts ( 434 ) configured to rotate synchronously under a drive of the second motor,
wherein the first lifting mechanism comprises first cams ( 41 ) installed on the two first driving shafts, and the second lifting mechanism comprises second cams ( 42 ) installed on the two first driving shafts, and
wherein the first cam and the second cam are suitable for respectively lifting the second support frame and the third support frame under a drive of the first driving shaft.

8. The conveying device according to claim 7 , wherein the first cam and the second cam are configured such that:
within a first angle range of a rotation of the first driving shaft, the first rolling mechanism carries and conveys the goods within the horizontal support surface, a maximum height of the second rolling mechanism is not higher than the horizontal support surface, and the second rolling mechanism leaves the goods during the first rolling mechanism conveying the goods;
within a second angle range of the rotation of the first driving shaft, the second rolling mechanism carries and conveys the goods within the horizontal support surface; a maximum height of the first rolling mechanism is not higher than the horizontal support surface, and the first rolling mechanism leaves the goods during the second rolling mechanism conveying of the goods, and
when the rotation of the first driving shaft is transiting between the first angle range and the second angle range, the first rolling mechanism and the second rolling mechanism jointly support the goods within the horizontal support surface; and
wherein during the rotation of the first driving shaft from 0 degree to 360 degrees, the first angle range is 0 degree to 180 degrees, and the second angle range is 180 degrees to 360 degrees.

9. The conveying device according to claim 8 , wherein each of the first cam and the second cam comprises a first part ( 411 ) and a second part ( 412 ), and
wherein in a cross section along a radial direction, a support surface of the first part is a semicircular arc, a support surface of the second part is an elliptical arc along a major axis of an ellipse, and the semicircular arc of the first part is smoothly connected to the elliptical arc of the second part.

10. The conveying device according to claim 7 , wherein the fourth driving mechanism further comprises:
a first transmission mechanism ( 433 ), wherein the second motor drives the two first driving shafts to rotate through the first transmission mechanism; and
a plurality of third support seats ( 435 ) installed on the first support frame, wherein the two first driving shafts are rotatably supported on the third support seats; and
wherein the first transmission mechanism comprises two first conveyor belts, and the second motor respectively drives the two first driving shafts to rotate through the first conveyor belts.

11. The conveying device according to claim 1 , wherein
the second support frame comprises:
two first longitudinal frames ( 211 ) arranged opposite to each other, and
two first transverse frames ( 212 ) arranged between the first longitudinal frames;
wherein the first rolling mechanism comprises:
a plurality of pairs of fourth support seats ( 221 ), wherein each pair of fourth support seats are installed opposite to each other on the two first longitudinal frames; and
a plurality of rollers ( 222 ) arranged parallel to each other, wherein two ends of each of the plurality of rollers are rotatably installed on a pair of fourth support seats so as to drive the goods to move in the fir

Assignees

• Nuctech Co Ltd
• Univ Tsinghua

Inventors

• Zhang Li
• Chen Zhiqiang
• Li Yuanjing
• Huang Qingping
• Guo Weijun
• Yao Liming
• Ding Hui
• Liu Junhao
• Zhou Jiajia

Classifications

• B65G23/36

  comprising two or more driving motors each coupled to a separate driving element, e.g. at either end of the conveyors · CPC title

• B65G21/2045

  Mechanical means for guiding or retaining the load on the load-carrying surface · CPC title

• B65G13/12

  adjustable · CPC title

• B65G13/10 Primary

  Switching arrangements · CPC title

• B65G13/07

  having endless driving elements · CPC title