CN113716276A

CN113716276A - Suspension conveying system

Info

Publication number: CN113716276A
Application number: CN202111034303.1A
Authority: CN
Inventors: 肖勇; 姜岸委; 唐罗生; 刘利文; 刘三勇
Original assignee: Changsha Chaint Robotics Co Ltd
Current assignee: Changsha Chaint Robotics Co Ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2021-11-30

Abstract

The invention provides a suspension conveying system which is characterized by comprising a plurality of movable lifting appliances arranged on a conveying mechanism and a guide mechanism used for guiding the lifting appliances; the conveying mechanism comprises a horizontally arranged cross beam, a movable conveying chain is arranged on the cross beam, one end of the lifting appliance is arranged on the cross beam, and the lifting appliance can be driven to move on the cross beam when the conveying chain moves; a robot is further arranged on one side of the conveying mechanism, and a clamp used for grabbing the workpiece on the lifting appliance is arranged at one end of the robot; the guide mechanism is arranged on one side of the cross beam, a guide block is arranged on the lifting appliance, and the lifting appliance is fixed after the guide block is contacted with the guide mechanism. The suspension conveying system with the structure is used for suspension conveying of workpieces such as air cylinders and the like, and compared with the conveying system with the existing structure, the suspension conveying system with the structure has the advantages of being simple in structure, low in use cost, high in working efficiency and intelligent degree and the like.

Description

Suspension conveying system

Technical Field

The invention relates to the field of conveying machinery, in particular to a suspension conveying system.

Background

At present, in industrial production, an automatic conveying system mainly carries out automatic feeding and discharging in modes of roller conveying, belt lines and the like, and a suspension conveying system is less used for carrying out automatic feeding and discharging. However, there is a great limitation in conveying products by conveying systems such as roller conveying and belt line. First, in general, a conveying system can only convey one product, and cannot convey different types and specifications of workpieces, which results in low utilization rate and high use cost of the conveying system. In addition, when material loading and unloading, to the robot that is equipped with anchor clamps, generally need transfer chain stop motion just can snatch to the work piece kind that can snatch is also relatively limited, consequently, influences work efficiency, leads to work efficiency low, simultaneously, also does not benefit to the intellectuality and the flexibility of whole production line.

In summary, how to provide a suspension transportation system with simple structure, low use cost, and higher working efficiency and intelligence degree becomes a technical problem that needs to be solved urgently by those skilled in the art.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the suspension conveying system is simple in structure, low in use cost, high in working efficiency and high in intelligent degree.

The solution of the invention is realized by the following steps: the invention provides a suspension conveying system which is characterized by comprising a plurality of movable lifting appliances arranged on a conveying mechanism and a guide mechanism used for guiding the lifting appliances; the conveying mechanism comprises a horizontally arranged cross beam, a movable conveying chain is arranged on the cross beam, one end of the lifting appliance is arranged on the cross beam, and the lifting appliance can be driven to move on the cross beam when the conveying chain moves; a robot is further arranged on one side of the conveying mechanism, and a clamp used for grabbing the workpiece on the lifting appliance is arranged at one end of the robot; the guide mechanism is arranged on one side of the cross beam, a guide block is arranged on the lifting appliance, and the lifting appliance is fixed after the guide block is contacted with the guide mechanism. The suspension conveying system with the structure is used for suspension conveying of workpieces such as air cylinders, and under the assistance of a robot, when the workpieces are conveyed, the workpieces are lifted from the right side shown in figure 1 and then lifted from the left side.

On the basis, a first guide rail is further arranged on one side of the robot and fixedly arranged on a horizontal plane, and a trolley capable of moving on the first guide rail is arranged on the first guide rail and used for conveying workpieces.

On the basis, a second guide rail is further arranged on one side of the robot, the second guide rail and the first guide rail are arranged in a crossed mode, and a movable trolley is further arranged on the second guide rail.

The other technical scheme of the invention is that on the basis of the above, the guide mechanism comprises a guide frame, the guide frame is arranged in parallel with the cross beam, and one end of the guide frame is detachably and fixedly arranged on a horizontal plane.

In another technical scheme of the present invention, on the basis of the above, one side of the cross beam is further provided with a plurality of tensioning wheels, the tensioning wheels are used for tensioning the conveying chain, and one end of each tensioning wheel abuts against the conveying chain.

On the basis, the cross beam is provided with a rail, the lifting appliance is provided with a roller, and the roller is arranged on the rail and can roll back and forth on the rail.

The other technical scheme of the invention is that on the basis of the above, the lifting appliance further comprises a connecting shaft, a lifting ring and a hanging plate, the lifting ring is rotatably arranged at one end of the connecting shaft, the guide block is fixedly arranged on the connecting shaft, the hanging plate is arranged at the other end of the connecting shaft, and the hanging plate can rotate up and down around the connecting shaft.

According to another technical scheme, on the basis, the lifting appliance further comprises a connecting block, the connecting block is arranged at the other end of the connecting shaft, and the hanging plate is movably arranged on the connecting block.

On the basis, the clamp comprises a support, wherein the support is provided with a telescopic piece, and a first clamping arm assembly and a second clamping arm assembly which are used for clamping a workpiece, the second clamping arm assembly and the second clamping arm assembly are arranged oppositely, and the first clamping arm assembly can move on the support.

The other technical scheme of the invention is that on the basis, the telescopic piece is an oil cylinder, one end of the oil cylinder is fixedly arranged, the other end of the oil cylinder is connected with the first clamping arm assembly, and the oil cylinder drives the first clamping arm assembly to move on the bracket when being telescopic.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic diagram of a suspended conveyor system according to the present invention;

FIG. 2 is a schematic diagram of a detailed structure of the robot part in FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is another schematic view of the structure of FIG. 3;

FIG. 5 is a schematic view of the structure of the fixture of FIG. 2;

fig. 6 is a schematic structural view of a portion of the guide mechanism of fig. 1.

The corresponding relation of the reference signs is as follows:

1 transfer chain 2 robot 3 anchor clamps

4 rollers 5 trolley 6 first guide rail

7 second guide rail 8 guide frame 9 scanning frame

10 conveyor roll 11 base 12 first tension wheel

13 crossbeam 14 second tensioning wheel 15 conveying chain

16 support 17 hydro-cylinder 18 first arm lock assembly

19 second clamping arm assembly 21 bolt of vision system 20

101 hanging plate 102 connecting block 103 connecting shaft

104 guide block 105 suspension ring 106 counterweight

107 lock pin and 108 rotating shaft

201 conveying mechanism 202 guide mechanism 203 hanger

Detailed Description

The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.

In the following embodiments of the present invention, please refer to the suspended conveying system and its components shown in fig. 1 to 6, the conveying system specifically includes a conveying line 1, the conveying line 1 includes a conveying mechanism 201, the conveying mechanism 201 is provided with a plurality of movable spreaders 203, meanwhile, the conveying mechanism 201 is further provided with a guide mechanism 202 for guiding the spreaders 203, and the spreaders 203 are used for lifting workpieces. More specifically, the conveying mechanism 201 includes a horizontally disposed cross beam 13, a movable conveying chain 15 is disposed on the cross beam 13, one end of the lifting device 203, i.e., the upper end shown in the drawing, is disposed on the cross beam 13, when the conveying chain 15 moves, the lifting device 203 is driven to move back and forth on the cross beam 13, and when the lifting device 203 moves, the workpiece of the lifting device 203 is driven to move together. One side of conveying mechanism 201 still is equipped with robot 2 that is used for snatching the work piece in real time, and more specifically, robot 2 includes base 11, and the one end of robot 2 is equipped with anchor clamps 3, and robot 2 snatchs the work piece through anchor clamps 3, if place the work piece on hoist 203 through anchor clamps 3, also can take off the work piece from hoist 203. The guide mechanism 202 is provided on one side of the cross member 13, i.e., the left side as viewed in fig. 1. The lifting appliance 203 is also provided with a guide block 104 for guiding the lifting appliance 203, and after the guide block 104 is contacted with the guide mechanism 202, the lifting appliance 203 is fixed, and the workpiece is also fixed and cannot swing. The suspension conveying system with the structure is used for suspension conveying of workpieces such as air cylinders, and under the assistance of the robot 2, when the workpieces are conveyed, the workpieces are lifted from the right side and lifted from the left side shown in fig. 1.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, a first guide rail 6 horizontally disposed is further disposed on one side of the robot 2, the first guide rail 6 is fixedly disposed on a horizontal plane, a trolley 5 capable of moving on the first guide rail 6 is disposed on the first guide rail 6, and the trolley 5 is specifically configured to transport a workpiece, such as a workpiece, away from the robot 2 and into a grabbing range of the robot 2. In other embodiments, the car is an Automated Guided Vehicle (AGV), which is equipped with an electromagnetic or optical automatic guiding device, can travel along a predetermined guiding path, has safety protection and various transfer functions, does not need to be operated by a driver during industrial operation, and uses a rechargeable battery as a power source.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, a second rail 7 horizontally disposed is further disposed on one side of the robot 2, the second rail 7 is disposed to intersect with the first rail 6, and the second rail 7 is also provided with the movable trolley 5. More specifically, the second guide 7 is identical in structure to the first guide 6.

In another embodiment of the present invention, based on the above-mentioned embodiments, as shown in fig. 2 and 6, the guiding mechanism 202 includes a guiding frame 8, the guiding frame 8 is disposed on one side of the cross beam 13 and is disposed parallel to the cross beam 13, and one end of the guiding frame 8, i.e., the lower end shown in the figure, is detachably and fixedly disposed on a horizontal plane. More specifically, the lower end of the guide frame 8 is provided with a plurality of bolts 21, and the guide frame 8 is fixedly arranged on the ground through the bolts 21.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 and fig. 6, one side of the cross beam 13 is further provided with a plurality of tensioning wheels, specifically including a first tensioning wheel 12 and a second tensioning wheel 14 which are oppositely arranged, the first tensioning wheel 12 and the second tensioning wheel 14 are used for tensioning the conveying chain 15, and one end of the first tensioning wheel 12 abuts against the conveying chain 15.

On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 1 and fig. 6, the cross beam 13 is provided with a rail, the spreader 203 is provided with rollers 4, and the rollers 4 are disposed on the rail and can roll back and forth on the rail.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3 and 4, the lifting appliance 203 further includes a connecting shaft 103, a lifting ring 105 and a hanging plate 101, the lifting ring 105 is rotatably disposed at one end of the connecting shaft 103, i.e., the upper end shown in the figure, the guide block 104 is fixedly disposed at the middle of the connecting shaft 103, the hanging plate 101 is disposed at the other end of the connecting shaft 103, i.e., the lower end shown in the figure, and the hanging plate 101 can rotate up and down around the connecting shaft 103 by a certain extent but cannot rotate left and right. During operation, the hanging plate 101 is hooked to perform work, the guide block 104 guides the whole lifting appliance 203, and the workpiece can be effectively prevented from rotating left and right in the operation process.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 3 and 4, the lifting appliance 203 further includes a connection block 102, the connection block 102 is disposed at the other end of the connection shaft 103, i.e., at the lower end shown in the figure, and the hanging plate 101 is movably disposed on the connection block 102. In addition, a lock hole is arranged on the connecting shaft 103, a lock pin 107 is arranged in the lock hole, and the connecting block 102 is fixedly arranged on the connecting shaft 103 through the lock pin 107. Under the action of the lock pin 107, the connecting block 102 and the connecting shaft 103 are fixed together, and the hanging plate 101 is further fixed together and cannot rotate. One end of the connecting block 102 departing from the connecting shaft 103, namely the lower end shown in the figure, is further provided with a rotating shaft 108, the hanging plate 101 is arranged on the connecting block 102 through the rotating shaft 108, and the hanging plate 101 can rotate around the rotating shaft 108, namely the hanging plate 101 rotates up and down by a certain range, so that the clamping operation is convenient. The guide block 104 has a mounting hole, is mounted on the shoulder of the connecting shaft 103 and is fixed by a shoulder retainer ring and a fixing key on the connecting shaft 103, so that the guide block can rotate along with the connecting shaft 103. When the object is hoisted, the power part drives the hoisting tool 203 to move on the conveying machine through the hoisting ring 105. In addition, the other end of hanging plate 101 is also provided with a counterweight 106 for balancing hanging plate 101.

In another embodiment of the present invention, as shown in fig. 5, the clamp 3 specifically includes a support 16, a telescopic member is disposed on the support 16, and a first clamping arm assembly 18 and a second clamping arm assembly 20 for clamping a workpiece, the second clamping arm assembly 20 is disposed opposite to the second clamping arm assembly 20, and the first clamping arm assembly 18 can move on the support 16. During operation, a workpiece is sleeved on the first clamping arm assembly 18 and the second clamping arm assembly 20, and under the action of the telescopic member, the first clamping arm assembly 18 moves leftwards, so that the workpiece is firmly fixed on the bracket 16. In addition, a vision system 19 for identifying the workpiece is also arranged on the support 16, and the vision system 19 comprises a camera and the like.

On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 5, the telescopic member is an oil cylinder 17, the telescopic member is specifically an oil cylinder 172, the oil cylinder 172 includes a cylinder barrel and a piston rod disposed in the cylinder barrel, one end of the cylinder barrel is fixedly disposed, one end of the piston rod is connected to the first clamping arm assembly 18, and when the oil cylinder 17 is extended and retracted, the first clamping arm assembly 18 is driven to move on the bracket 16.

In addition, as shown in fig. 1, the suspension conveying system further includes a scanning frame 9 disposed at one end of the conveying mechanism 201, and a conveying roller 10 for conveying the workpiece is disposed at one side of the scanning frame 9.

The suspension conveying system with the structure has the advantages of simple structure, low use cost, high working efficiency, high intelligent degree and the like.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A suspension conveying system is characterized by comprising a conveying mechanism, a plurality of movable lifting appliances arranged on the conveying mechanism, and a guide mechanism used for guiding the lifting appliances;

the conveying mechanism comprises a horizontally arranged cross beam, a movable conveying chain is arranged on the cross beam, one end of the lifting appliance is arranged on the cross beam, and the lifting appliance can be driven to move on the cross beam when the conveying chain moves;

a robot is further arranged on one side of the conveying mechanism, and a clamp used for grabbing the workpiece on the lifting appliance is arranged at one end of the robot;

the guide mechanism is arranged on one side of the cross beam, a guide block is arranged on the lifting appliance, and the lifting appliance is fixed after the guide block is contacted with the guide mechanism.

2. The overhead conveying system according to claim 1, wherein a first guide rail is further provided on one side of the robot, the first guide rail is fixedly provided on a horizontal plane, and a trolley movable on the first guide rail is provided on the first guide rail, and the trolley is used for conveying the workpiece.

3. The overhead conveying system of claim 2, wherein a second guide rail is further provided on one side of the robot, the second guide rail being disposed across the first guide rail, the second guide rail also having a movable cart thereon.

4. The overhead conveying system of claim 3, wherein the guide mechanism comprises a guide frame, the guide frame is arranged in parallel with the cross beam, and one end of the guide frame is detachably and fixedly arranged on a horizontal plane.

5. The overhead conveying system of claim 4, wherein said cross-beam further comprises a plurality of tension rollers disposed on one side of said cross-beam, said tension rollers being adapted to tension said conveying chain with one end thereof abutting against said conveying chain.

6. The overhead conveying system of claim 5, wherein the cross beam is provided with a rail, and the spreader is provided with rollers, the rollers being disposed on the rail and capable of rolling back and forth on the rail.

7. The overhead conveying system according to claim 6, wherein the lifting appliance further comprises a connecting shaft, a lifting ring and a hanging plate, the lifting ring is rotatably arranged at one end of the connecting shaft, the guide block is fixedly arranged on the connecting shaft, the hanging plate is arranged at the other end of the connecting shaft, and the hanging plate can rotate up and down around the connecting shaft.

8. The suspended conveying system of claim 7, wherein the lifting appliance further comprises a connecting block, the connecting block is arranged at the other end of the connecting shaft, and the hanging plate is movably arranged on the connecting block.

9. The overhead conveyor system of claim 8, wherein the gripper includes a support having a telescoping member thereon, and first and second gripper arm assemblies for gripping a workpiece, the second gripper arm assembly being disposed opposite the second gripper arm assembly, the first gripper arm assembly being movable on the support.

10. The overhead conveying system of claim 9, wherein the extendable element is a cylinder, one end of the cylinder is fixedly disposed, and the other end of the cylinder is connected to the first arm lock assembly, and the cylinder, when extended and retracted, drives the first arm lock assembly to move on the support.