CN114458928A

CN114458928A - Lifting and rotating device

Info

Publication number: CN114458928A
Application number: CN202210091301.4A
Authority: CN
Inventors: 陶孟仑; 杨欣宇; 李妮妮; 谢志江; 宋雨晨
Original assignee: Wuhan University of Technology WUT
Current assignee: Wuhan University of Technology WUT
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-10

Abstract

The invention relates to a lifting rotating device which comprises a lifting unit and a rotating unit, wherein the lifting unit is used for adjusting the height of the rotating unit from the ground. When the lifting rotating device provided by the invention is used, the belt wheel is driven to rotate by the first driving piece, and then the belt wheel can drive the synchronous belt to move so that the synchronous belt drives the rotating piece to rotate; according to the lifting rotating device, the supporting plate, the first driving piece, the belt wheel, the rotating piece and the synchronous belt are arranged, so that the rotating piece is stable in rotation and high in rotation precision.

Description

Lifting and rotating device

Technical Field

The invention relates to the technical field of lifting rotating equipment, in particular to a lifting rotating device.

Background

At present, with the progress of technology, more and more manpower labor is replaced by machinery, the labor cost is greatly reduced, and the production efficiency is improved. The rotating device is one of the common devices in mechanical equipment, and the rotating device with high precision requirements is required to be used for transferring, stacking and the like of objects. However, the existing rotating devices have the problems of complex structure, low precision and the like.

According to the lifting device disclosed by the patent CN205278269U, the driving shaft of the first motor rotates to drive the fixing ring to rotate, so that the roller located on the end face of the fixing ring is driven to do circular motion, the vertical motion of the circular motion of the roller abuts against the waist hole of the lifting plate, so that the lifting plate is driven to do lifting motion, the lifting plate drives the lifting shaft connected with the lifting plate to do lifting motion, the adsorption component adsorbs and puts down a product to be detected, the product to be detected can be conveniently taken and placed, and the lifting device is high in precision, good in stability and convenient to adjust. A high precision rotation device comprising a first motor comprising a drive shaft; the fixing ring is sleeved on the driving shaft and locked with the driving shaft, and the first motor can drive the fixing ring to rotate; the roller comprises a roller body, a rotating shaft and a roller body, wherein the roller body is sleeved on the rotating shaft, the rotating shaft is vertically connected to the end face, opposite to the first motor, of the fixing ring, and the fixing ring can drive the roller to do circular motion; the lifting plate is provided with a transversely arranged waist hole, the roller body is rotatably accommodated in the waist hole, and the roller can drive the lifting plate to do lifting motion when doing circular motion; the material taking device is connected with the lifting plate so as to move up and down along with the lifting plate, and the material taking device is used for adsorbing or bearing a product to be detected.

The existing lifting and rotating device has the following defects: 1. the rotation is unstable, and the rotation precision is low; 2. when the lifting and rotating device is in a state of carrying goods, the supporting seat is easy to deform due to load, so that the supporting plate is inclined greatly, the rotating precision is lower, and the lifting and rotating device is inconvenient to practical use.

Disclosure of Invention

In view of the situation of the prior art, the invention provides a lifting and rotating device, which is provided with the supporting plate, the first driving piece, the belt wheel, the rotating piece and the synchronous belt, so that the rotating piece is stable in rotation and high in rotation precision, and therefore, the lifting and rotating device can effectively solve the problems in the prior art.

The invention is realized by the following technical scheme:

the invention provides a lifting rotating device which comprises a lifting unit and a rotating unit, wherein the lifting unit is used for adjusting the height of the rotating unit from the ground.

The rotary unit comprises a supporting plate, a first driving piece, a belt wheel, a rotary piece and a synchronous belt, the supporting plate is arranged at the telescopic end of the lifting unit, the belt wheel and the rotary piece are both rotatably arranged on the supporting plate, the synchronous belt is wound on the belt wheel and the rotary piece, and the first driving piece is used for driving the belt wheel to rotate.

When the first driving piece drives the belt wheel to rotate, the belt wheel can drive the synchronous belt to move so that the synchronous belt can drive the rotary piece to rotate.

Furthermore, the rotating part comprises a rotating bearing and a toothed part, the rotating bearing comprises an inner ring and an outer ring, the inner ring is fixedly arranged on the supporting plate, the outer ring is rotatably sleeved on the outer side of the inner ring, the toothed part is fixedly sleeved on the outer side of the outer ring, and the synchronous belt is wound on the belt wheel and the toothed part.

Furthermore, the lifting and rotating device further comprises a clamping unit, one end of the clamping unit, which is close to the rotating unit, is fixedly connected with the outer ring, and one end of the clamping unit, which is far away from the rotating unit, is used for clamping goods.

Furthermore, the lifting and rotating device further comprises an image recognition unit, the image recognition unit is electrically connected with the first driving piece and the second driving piece respectively, and the image recognition unit is used for detecting the movement track of the clamping unit so as to control the first driving piece and the second driving piece to work.

Further, the first driving member is a 57 stepping motor.

Further, the lift unit includes supporting seat, second driving piece and helical pitch piece are all located on the supporting seat, helical pitch piece is kept away from the one end of supporting seat is worn to locate the backup pad, the second driving piece is used for the drive the backup pad is along the extending direction removal of helical pitch piece.

Further, the supporting seat comprises a bottom plate, a frame and a plurality of rollers, the bottom plate is arranged on the frame, the rollers are arranged at intervals at the bottom of the frame, and the second driving piece and the lead piece are arranged on the bottom plate.

Further, the frame includes three first brackets, three second brackets and a third bracket, one of the first brackets may be connected with another of the first brackets through one of the second brackets to form a hexagonal fixing bracket, and the third bracket is used to connect the first and second brackets which are opposite to each other.

Furthermore, the frame further comprises a plurality of reinforcing ribs, the reinforcing ribs are arranged at the joint of the first support and the second support, and the reinforcing ribs are used for reinforcing the connection of the first support and the second support.

Furthermore, the reinforcing rib comprises a first reinforcing body and a second reinforcing body which are connected with each other, one side face of the first reinforcing body is connected with the inner side face of the first support in a fitting manner, one side face of the second reinforcing body is connected with the inner side face of the second support in a fitting manner, an included angle formed between the first reinforcing body and the second reinforcing body is the same as an included angle formed between the first support and the second support which are connected with each other in size, and the joint of the first reinforcing body and the second reinforcing body is abutted to the joint of the first support and the second support which are connected with each other.

Compared with the prior art, the invention has the following advantages and beneficial effects:

when the lifting rotating device provided by the invention is used, the belt wheel is driven to rotate by the first driving piece, and then the belt wheel can drive the synchronous belt to move so that the synchronous belt can drive the rotating piece to rotate; according to the lifting rotating device, the supporting plate, the first driving piece, the belt wheel, the rotating piece and the synchronous belt are arranged, so that the rotating piece is stable in rotation and high in rotation precision.

Drawings

Fig. 1 is a schematic perspective view of a lifting and rotating device according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a second embodiment of the lifting and rotating device according to the present invention;

FIG. 3 is a schematic bottom view of the lifting rotating device shown in FIG. 2;

fig. 4 is a partially enlarged structural view of a portion a in fig. 3.

Reference numerals: 1. a lifting unit; 11. a supporting seat; 111. a base plate; 112. a frame; 1121. a first bracket; 1122. a second bracket; 1123. a third support; 113. a plurality of rollers; 114. reinforcing ribs; 1141. a first reinforcement body; 1142. a second reinforcement body; 12. a second driving member; 13. a lead member; 2. a rotation unit; 21. a support plate; 22. a first driving member; 23. a pulley; 24. a rotating member; 241. a slew bearing; 242. a tooth-shaped member; 25. a synchronous belt; 3. a clamping unit; 4. an image recognition unit.

Detailed Description

The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which are used to illustrate, but not to limit the invention.

As shown in fig. 1 to 4, the lifting and rotating device comprises a lifting unit 1 and a rotating unit 2, wherein the lifting unit 1 is used for adjusting the height of the rotating unit 2 from the ground.

The rotary unit 2 comprises a support plate 21, a first driving piece 22, a belt wheel 23, a rotary piece 24 and a synchronous belt 25, the support plate 21 is arranged at the telescopic end of the lifting unit 1, the belt wheel 23 and the rotary piece 24 are both rotatably arranged on the support plate 21, the synchronous belt 25 is wound on the belt wheel 23 and the rotary piece 24, and the first driving piece 22 is used for driving the belt wheel 23 to rotate.

When the first driving member 22 drives the pulley 23 to rotate, the pulley 23 can drive the synchronous belt 25 to move, so that the synchronous belt 25 drives the rotating member 24 to rotate.

In the use process of the lifting rotating device provided by the invention, the belt wheel 23 is driven to rotate by the first driving piece 22, and then the belt wheel 23 can drive the synchronous belt 25 to move, so that the synchronous belt 25 can drive the rotating piece 24 to rotate; the lifting and rotating device is provided with the supporting plate 21, the first driving piece 22, the belt wheel 23, the rotating piece 24 and the synchronous belt 25, so that the rotating piece 24 rotates stably and has high rotating precision.

Referring to fig. 1, the rotating member 24 includes a rotating bearing 241 and a tooth-shaped member 242, the rotating bearing 241 includes an inner ring and an outer ring, the inner ring is fixedly disposed on the supporting plate 21, the outer ring is rotatably sleeved on the outer side of the inner ring, the tooth-shaped member 242 is fixedly sleeved on the outer side of the outer ring, and the synchronous belt 25 is wound on the belt pulley 23 and the tooth-shaped member 242.

In the use process of the lifting rotating device provided by the invention, the first driving piece 22 drives the belt wheel 23 to rotate, then the belt wheel 23 can drive the synchronous belt 25 to move, so that the synchronous belt 25 drives the tooth-shaped piece 242 to rotate, and then the tooth-shaped piece 242 drives the outer ring to rotate relative to the inner ring; according to the lifting rotating device, due to the arrangement of the supporting plate 21, the first driving piece 22, the belt wheel 23, the rotary bearing 241, the tooth-shaped piece 242 and the synchronous belt 25, the tooth-shaped piece 242 and the outer ring are more stable in the rotating process, and the rotating precision is high.

Wherein, the tooth-shaped member 242 is provided with the meshing teeth meshed with the synchronous belt 25, and firstly the first driving member 22 drives the belt wheel 23 to rotate, and then the belt wheel 23 can drive the synchronous belt 25 to move, so that the synchronous belt 25 drives the tooth-shaped member 242 to rotate.

Through setting up spare parts such as slewing bearing 241, tooth form piece 242 and hold-in range 25, rotate two kinds of different rotation modes with belt drive and bearing and combine the use, make tooth form piece 242 and outer lane are more stable at the rotation in-process, are favorable to improving the rotation precision of tooth form piece 242 and outer lane.

Referring to fig. 2, the lifting and rotating device further includes a clamping unit 3, one end of the clamping unit 3 close to the rotating unit 2 is fixedly connected to the outer ring, and one end of the clamping unit 3 far away from the rotating unit 2 is used for clamping goods. The design is convenient for adjusting the position of the clamping unit 3 after rotation, and in some applications with higher requirements on rotation precision, the lifting and rotating device can stably and accurately move the clamping unit 3 to different clamping stations, so that the goods can be stably and accurately transported.

The clamping unit 3 shown in fig. 1 is only a schematic structural diagram, and as long as the clamping unit 3 in the prior art can be applied to the lifting and rotating device of the present invention, this part should not be construed as limiting the present invention.

Referring to fig. 2, the lifting and rotating device further includes an image recognition unit 4, the image recognition unit 4 is electrically connected to the first driving member 22 and the second driving member 12, and the image recognition unit 4 is configured to detect a motion trajectory of the clamping unit 3, so as to control the first driving member 22 and the second driving member 12 to work. The first drive member 22 is a 57 stepper motor. The design is convenient for better realizing industrial automation operation, the existing image recognition technology and the specific structure of the lifting and rotating device are combined and applied, and when the image recognition unit 4 detects that the motion track of the clamping unit 3 does not conform to the path specified by the program, the first driving piece 22 and the second driving piece 12 can be controlled to work so as to adjust the motion track of the clamping unit 3, so that abnormal operation behaviors are avoided, the participation of workers can be reduced to a greater extent, and the industrial automation operation is better realized.

Referring to fig. 1, 3 and 4, the lifting unit 1 includes a supporting seat 11, a second driving member 12 and a lead member 13, the second driving member 12 and the lead member 13 are both disposed on the supporting seat 11, one end of the lead member 13 far away from the supporting seat 11 is penetrated through the supporting plate 21, and the second driving member 12 is used for driving the supporting plate 21 to move along the extending direction of the lead member 13. The supporting seat 11 includes a bottom plate 111, a frame 112 and a plurality of rollers 113, the bottom plate 111 is disposed on the frame 112, the rollers are disposed at intervals at the bottom of the frame 112, and the second driving member 12 and the lead member 13 are disposed on the bottom plate 111. The frame 112 includes three first brackets 1121, three second brackets 1122, and a third bracket 1123, one of the first brackets 1121 may be connected to another of the first brackets 1121 through one of the second brackets 1122 so as to form a hexagonal fixing bracket, and the third bracket 1123 is used for connecting the first and

second brackets

1121, 1122 which are opposite to each other. The frame 112 further includes a plurality of reinforcing ribs 114, the reinforcing ribs 114 are disposed at the connection positions of the first brackets 1121 and the second brackets 1122, and the reinforcing ribs 114 are used for reinforcing the connection positions of the first brackets 1121 and the second brackets 1122. The reinforcing rib 114 includes a first reinforcing body 1141 and a second reinforcing body 1142 connected to each other, a side surface of the first reinforcing body 1141 is attached to an inner side surface of the first bracket 1121, a side surface of the second reinforcing body 1142 is attached to an inner side surface of the second bracket 1122, an included angle formed between the first reinforcing body 1141 and the second reinforcing body 1142 is the same as an included angle formed between the first bracket 1121 and the second bracket 1122 connected to each other, and a joint of the first reinforcing body 1141 and the second reinforcing body 1142 is abutted to a joint of the first bracket 1121 and the second bracket 1122 connected to each other.

In the use process of the lifting and rotating device provided by the present invention, the first driving element 22 drives the pulley 23 to rotate, then the pulley 23 can drive the synchronous belt 25 to move, so that the synchronous belt 25 drives the tooth-shaped element 242 to rotate, then the tooth-shaped element 242 drives the outer ring to rotate relative to the inner ring, when the lifting and rotating device of the present invention is in a state of carrying goods, because the supporting seat 11, the second driving element 12, the lead element 13 and other components are provided, and the frame 112 comprises three first brackets 1121, three second brackets 1122 and a third bracket 1123, one first bracket 1121 can be connected to another first bracket 1121 through one second bracket 1122 to form a hexagonal fixing bracket, the third bracket 1123 is used for connecting the first bracket 1121 and the second bracket 1122 which are opposite, the supporting seat 11 will not deform due to a load, the supporting plate 21 is not inclined greatly, so that the rotating precision is higher, and the practical application is facilitated.

In particular, the frame 112 is composed of three first brackets 1121, three second brackets 1122 and one third bracket 1123, the reinforcing rib 114 is disposed at the joint of the first brackets 1121 and the second brackets 1122, the reinforcing rib 114 can reinforce the joint of the first brackets 1121 and the second brackets 1122, so that the overall structure of the frame 112 is more stable, specifically, since one side surface of the first reinforcing body 1141 is in close contact with the inner side surface of the first brackets 1121, one side surface of the second reinforcing body 1142 is in close contact with the inner side surface of the second brackets 1122, the included angle formed between the first reinforcing body 1141 and the second reinforcing body 1142 is the same as the included angle formed between the first brackets 1121 and the second brackets 1122 connected, and the joint of the first reinforcing body 1141 and the second reinforcing body 1142 is in contact with the joint of the first brackets 1121 and the second brackets 1122 connected, therefore, the frame 112 is relatively stable for each force point of the support plate 21, and when the lifting rotating device of the present invention is in a state of carrying goods, because the frame 112 is relatively stable for supporting each force point of the support plate 21, the support plate 21 does not have a depression or a protrusion of the force point due to a load, that is, the support plate 21 does not deform due to a load, so that the support plate 21 does not have a large inclination, thereby making the rotating precision higher and facilitating practical application.

Compared with the prior art, the lifting rotating device provided by the invention has the following beneficial effects:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.

Claims

1. The lifting and rotating device is characterized by comprising a lifting unit and a rotating unit, wherein the lifting unit is used for adjusting the height of the rotating unit from the ground;

the rotating unit comprises a supporting plate, a first driving piece, a belt wheel, a rotating piece and a synchronous belt, the supporting plate is arranged at the telescopic end of the lifting unit, the belt wheel and the rotating piece are both rotatably arranged on the supporting plate, the synchronous belt is wound on the belt wheel and the rotating piece, and the first driving piece is used for driving the belt wheel to rotate;

2. The lifting and rotating device as claimed in claim 1, wherein the rotating member comprises a rotating bearing and a toothed member, the rotating bearing comprises an inner ring and an outer ring, the inner ring is fixed on the supporting plate, the outer ring is rotatably sleeved on the outer side of the inner ring, the toothed member is fixedly sleeved on the outer side of the outer ring, and the synchronous belt is wound on the belt pulley and the toothed member.

3. The lifting and rotating device as claimed in claim 2, further comprising a clamping unit, wherein one end of the clamping unit close to the rotating unit is fixedly connected with the outer ring, and one end of the clamping unit far away from the rotating unit is used for clamping goods.

4. The lifting and rotating device according to claim 3, further comprising an image recognition unit electrically connected to the first driving member and the second driving member, respectively, wherein the image recognition unit is configured to detect a movement track of the clamping unit for controlling the first driving member and the second driving member to operate.

5. The lift-swivel assembly of claim 3, wherein the first drive member is a 57 step motor.

6. The lifting and lowering rotary device as claimed in any one of claims 1 to 5, wherein the lifting and lowering unit includes a support base, a second driving member and a lead member, the second driving member and the lead member are disposed on the support base, one end of the lead member away from the support base is inserted into the support plate, and the second driving member is used for driving the support plate to move along the extending direction of the lead member.

7. The elevating and rotating device as claimed in claim 6, wherein the supporting base comprises a bottom plate, a frame and a plurality of rollers, the bottom plate is disposed on the frame, the plurality of rollers are disposed at intervals on the bottom of the frame, and the second driving member and the lead member are disposed on the bottom plate.

8. A lifting and drop rotating device, as claimed in claim 7, wherein said frame comprises three first brackets, three second brackets and a third bracket, one said first bracket being connectable to another said first bracket via one said second bracket for forming a hexagonal fixed bracket, said third bracket being for connecting opposing said first and second brackets.

9. The lifting and rotating device as claimed in claim 8, wherein the frame further comprises a plurality of reinforcing ribs, the reinforcing ribs are disposed at the connection position of the first bracket and the second bracket, and the reinforcing ribs are used for reinforcing the connection position of the first bracket and the second bracket.

10. The lifting and rotating device of claim 9, wherein the reinforcing rib comprises a first reinforcing body and a second reinforcing body which are connected with each other, one side surface of the first reinforcing body is in fit connection with the inner side surface of the first bracket, one side surface of the second reinforcing body is in fit connection with the inner side surface of the second bracket, an included angle formed between the first reinforcing body and the second reinforcing body is the same as that formed between the first bracket and the second bracket which are connected with each other, and the joint of the first reinforcing body and the second reinforcing body is abutted against the joint of the first bracket and the second bracket which are connected with each other.