CN215665384U

CN215665384U - Transmission device and net type conveyor belt

Info

Publication number: CN215665384U
Application number: CN202120755334.5U
Authority: CN
Inventors: 吕帆
Original assignee: Guangdong Chengguan Plastic Products Co ltd
Current assignee: Guangdong Chengguan Plastic Products Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2022-01-28
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a conveying device and a net type conveying belt, which mainly comprise a rack, a transmission shaft, chain wheels, roller chains, a connecting shaft and a conveying belt, wherein the transmission shaft is rotatably connected to the rack; the chain link pitch of the roller chain is twice of the gear tooth pitch of the chain wheel, and the distance between the mounting hole and the roller of the roller chain is equal to one time of the gear tooth pitch of the chain wheel, so that when the roller chain is meshed with the chain wheel, the connecting shaft falls on the position where the roller chain is meshed with the chain wheel, and the phenomenon that the roller chain is separated from the chain wheel due to the fact that the connecting shaft abuts against the top surface of the gear tooth of the chain wheel cannot occur.

Description

Transmission device and net type conveyor belt

Technical Field

The utility model relates to the field of paint spraying equipment, in particular to a conveying device and a net type conveying belt.

Background

In a production line for performing a paint spraying process on a surface of a workpiece, a conveying device is generally used for conveying the workpiece, and a conveying belt of an existing conveying device is influenced by the gravity of the existing conveying device and must be tightened to convey the workpiece. However, depending on the workpieces to be conveyed, the conveying belt is greatly affected by the gravity, the shape, and the like of the workpieces, and particularly, when the workpieces are heavy, the conveying belt is easily deformed to affect the conveying effect.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned disadvantages of the prior art, an object of the present invention is to provide a conveyor and a mesh conveyor, which are intended to solve the problem that the conventional conveyor is likely to cause deformation of the conveyor when conveying a heavy workpiece, thereby affecting the conveying effect.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a conveying device comprises a rack and two transmission shafts rotatably connected to a support, wherein chain wheels are fixedly connected to two ends of each transmission shaft, roller chains are connected to the chain wheels in a meshed mode, the roller chains are connected to the chain wheels at the same end of the transmission shafts in a meshed mode, mounting holes are formed in the middles of connecting pieces of the roller chains, connecting shafts are mounted on the mounting holes, two ends of each connecting shaft are rotatably connected with the mounting holes of the roller chains connected with the transmission shafts, and conveying belts are fixed in the middles of the connecting shafts; one end of one of the transmission shafts is in transmission connection with a driving assembly, and the driving assembly is fixed on the rack; the chain link pitch of the roller chain is more than twice of the gear tooth pitch of the chain wheel, and the multiple is an integer; the distance between the mounting hole and the roller of the roller chain is equal to more than one time of the pitch of the gear teeth of the chain wheel, and the multiple is an integer.

In the conveying device, the middle part of the transmission shaft is connected with a supporting roller, and the outer surface of the supporting roller is abutted to the conveying belt.

In the conveying device, the chain link pitch of the roller chain is twice of the gear tooth pitch of the chain wheel, and the distance between the mounting hole and the roller of the roller chain is equal to the gear tooth pitch of the chain wheel.

In the conveying device, the diameter of the mounting hole is smaller than or equal to the diameter of a roller of the roller chain.

In the conveying device, the conveying belt is one of a belt, a plate type conveying belt or a net type conveying belt.

The conveying device is characterized in that the net type conveying belt comprises a first spring-shaped rod body, a second spring-shaped rod body and a connecting rod body, the first spring-shaped rod body and the second spring-shaped rod body are multiple, the first spring-shaped rod body and the second spring-shaped rod body are arranged at intervals, the connecting rod body simultaneously penetrates through the adjacent first spring-shaped rod body and the second spring-shaped rod body, one end of the connecting rod body is fixedly connected with the end portion corresponding to the first spring-shaped rod body, the other end of the connecting rod body is fixedly connected with the end portion corresponding to the second spring-shaped rod body, and the connecting shaft penetrates through the inner portions of the first spring-shaped rod body and the second spring-shaped rod body.

In the conveying device, the diameter of the spring-shaped rod body is smaller than or equal to the chain link pitch of the roller chain.

In the conveying device, supporting plates are arranged on two sides of the rack and below the roller chains, and the supporting plates are arranged between the two transmission shafts.

In the conveying device, a sliding rail abutted against the bottom surface of the roller chain is fixed on the top surface of the supporting plate, and two ends of the sliding rail are bent towards one side far away from the roller chain.

The utility model provides a net formula conveyer belt for conveyer, includes the first spring form body of rod, the second spring form body of rod and the connecting rod body, the first spring form body of rod and the second spring form body of rod are many, the first spring form body of rod and the interval setting of the second spring form body of rod, the connecting rod body runs through the inside of the adjacent first spring form body of rod and the second spring form body of rod simultaneously, the tip fixed connection that connecting rod body one end and the first spring form body of rod correspond, the connecting rod body other end and the tip fixed connection that the second spring form body of rod corresponds.

Has the advantages that: the conveying belt mainly comprises a rack, a transmission shaft, chain wheels, roller chains, a connecting shaft and a conveying belt, wherein the transmission shaft is rotationally connected to the rack, the chain wheels are fixed at two ends of the transmission shaft, the roller chains are meshed and connected to the roller chains, the middle part of the connecting shaft penetrates through the conveying belt, and two ends of the connecting shaft are connected with connecting pieces of the roller chains, so that the conveying belt can be driven to move when the driving assembly drives the transmission shaft to rotate, and a workpiece is supported by the connecting shaft with higher rigidity after being placed on the conveying belt, so that the conveying belt cannot deform, and the whole working surface of the conveying belt for conveying the workpiece is on the same plane; the chain link pitch of the roller chain is twice of the gear tooth pitch of the chain wheel, and the distance between the mounting hole and the roller of the roller chain is equal to one time of the gear tooth pitch of the chain wheel, so that when the roller chain is meshed with the chain wheel, the connecting shaft falls on the position where the roller chain is meshed with the chain wheel, and the phenomenon that the roller chain is separated from the chain wheel due to the fact that the connecting shaft abuts against the top surface of the gear tooth of the chain wheel cannot occur.

Drawings

Fig. 1 is a schematic structural view of the transfer device, with the conveyor belt removed.

Fig. 2 is a partial enlarged view of fig. 1 at a.

Fig. 3 is a front view of the transfer device, and is a cross-sectional view at the middle in the width direction of the transfer device.

Fig. 4 is a schematic view of the structure of the connection of the conveyor belt to the connecting shaft.

Description of the main element symbols: 1-a frame, 2-a roller chain, 2.1-a mounting hole, 3-a connecting shaft, 4-a chain wheel, 5-a transmission shaft, 6-a supporting roller, 7-a driving component, 8-a supporting plate, 9-a sliding rail, 10-a conveying belt, 10.1-a first spring-shaped rod body, 10.2-a connecting rod body and 10.3-a second spring-shaped rod body.

Detailed Description

The present invention provides a conveyor and a mesh conveyor, and the object, technical solution and effect of the present invention will be more clearly and clearly described below in detail by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the scope of the utility model.

Referring to fig. 1, 2 and 3, a conveyor comprises a frame 1, two transmission shafts 5 rotatably connected to a support, chain wheels 4 fixedly connected to two ends of the transmission shafts 5, a roller chain 2 engaged with the chain wheels 4 at the same end of the transmission shafts 5, a driving assembly 7 connected to one end of one of the transmission shafts 5, and the driving assembly 7 fixed to the frame 1. Wherein, drive assembly 7 can be the combination of motor, motor and speed reducer, and roller chain 2 is two, corresponds the sprocket 4 setting at 5 both ends of transmission shaft respectively for arrange this roller chain 2 parallel arrangement at 5 both ends of transmission shaft in, connect the sprocket 4 identical on same transmission shaft 5, when making drive assembly 7 drive sprocket 4 rotate, 2 synchronous motion of two roller chains.

Specifically, roller chain 2 comprises connection piece, round pin axle, roller, and the roller cover is at the middle part of round pin axle, and the connection piece is connected at the both ends of round pin axle, and wherein, roller chain 2's connection piece middle part is equipped with mounting hole 2.1, installs connecting axle 3 on the mounting hole 2.1, and 3 both ends of connecting axle rotate with the mounting hole 2.1 of arranging roller chain 2 that transmission shaft 5 is connected in and are connected, and the middle part of connecting axle 3 is fixed with conveyer belt 10. Therefore, when the driving assembly 7 drives the sprocket 4 to move the roller chain 2, the connecting shaft 3 moves along with the roller chain 2, and the movement of the conveyor belt 10 is realized. In operation, a workpiece is placed on the conveyor belt 10 and is transported by the conveyor belt 10 from one end of the conveyor to the other.

In the above, in order to balance the stress on the roller chain 2, the connecting shaft 3 penetrates through both sides of the roller chain 2. The pitch of the chain links of the roller chain 2 is more than twice the pitch of the gear teeth of the chain wheel 4, the multiple is an integer, the distance between the mounting hole 2.1 and the roller of the roller chain 2 is more than one time the pitch of the gear teeth of the chain wheel 4, and the multiple is an integer, so that when the roller chain 2 is meshed with the chain wheel 4, the connecting shaft 3 falls at the position where the roller chain 2 is meshed with the chain wheel 4, and the phenomenon that the roller chain 2 is separated from the chain wheel 4 because the connecting shaft 3 is pressed against the top surface of the gear teeth of the chain wheel 4 cannot occur. In other words, when the roller chain 2 is engaged with the sprocket 4, the two ends of the connecting shaft 3 are engaged with the rollers of the roller chain 2 at positions between the teeth of the sprocket 4.

In the present application, the link pitch of the roller chain 2 is twice the tooth pitch of the sprocket 4, the distance between the mounting hole 2.1 and the roller of the roller chain 2 is equal to the tooth pitch of the sprocket 4, and the diameter of the mounting hole 2.1 is smaller than or equal to the diameter of the roller chain 2.

In a preferred embodiment, a support roller 6 is connected to the middle of the drive shaft 5, and the outer surface of the support roller 6 abuts against the conveyor belt 10. When roller chain 2 is in the position of sprocket 4, the distance between two adjacent connecting axles 3 is less than the distance between two connecting axles 3 of roller chain 2 when the rectilinear movement position, consequently the conveyer belt 10 of this department is not in taut state, and through the setting of supporting roller 6, conveyer belt 10 receives supporting roller 6's restriction when the position of sprocket 4 for conveyer belt 10 between two adjacent connecting axles 3 is the arc form, realizes the taut with conveyer belt 10.

Specifically, the conveyor belt 10 is one of a belt, a plate conveyor belt, and a mesh conveyor belt.

Referring to fig. 4, in a preferred embodiment of the present invention, the conveyor belt 10 is a mesh conveyor belt, the mesh conveyor belt includes a first spring-shaped rod 10.1, a second spring-shaped rod 10.3 and a connecting rod 10.2, the first spring-shaped rod 10.1 and the second spring-shaped rod 10.3 are both plural, the first spring-shaped rod 10.1 and the second spring-shaped rod 10.3 are disposed at an interval, the connecting rod 10.2 simultaneously penetrates through the inside of the adjacent first spring-shaped rod 10.1 and the second spring-shaped rod 10.3, one end of the connecting rod 10.2 is fixedly connected to the end corresponding to the first spring-shaped rod 10.1, the other end of the connecting rod 10.2 is fixedly connected to the end corresponding to the second spring-shaped rod 10.3, and the connecting shaft 3 penetrates through the inside of the first spring-shaped rod 10.1 and the second spring-shaped rod 10.3.

Specifically, the first spring-like rod 10.1 and the second spring-like rod 10.3 are identical in shape, when the mesh conveyor belt is assembled, the axes of the first spring-like rod 10.1 and the second spring-like rod 10.3 are parallel and partially crossed together, and then the connecting rod 10.2 is penetrated through one end, so that the connecting rod 10.2 is simultaneously arranged inside the first spring-like rod 10.1 and the second spring-like rod 10.3, and then both ends of the connecting rod 10.2 are fixedly connected with the corresponding first spring-like rod 10.1 or the second spring-like rod 10.3, wherein the first spring-like rod 10.1, the second spring-like rod 10.3 and the connecting rod 10.2 are preferably made of metal material and are preferably welded, and the assembled mesh conveyor belt is circular in shape, so that all the first spring-like rod 10.1, the second spring-like rod 10.3 and the connecting rod 10.2 are fixed together to form an integral body, moreover, only two ends of the first spring-shaped rod body 10.1, the second spring-shaped rod body 10.3 and the connecting rod body 10.2 are welded, so that the production is convenient.

In actual production, the whole body formed by the first spring-shaped rod body 10.1, the second spring-shaped rod body 10.3 and the connecting rod body 10.2 can be stretched under certain tensile force, and the projections of the first spring-shaped rod body 10.1 and the second spring-shaped rod body 10.3 in the cross section direction are deformed into an oval shape from a circular shape, so that the surface for placing a workpiece is smoother.

In a preferred embodiment, the diameter of the spring-like rods is smaller than or equal to the pitch of the links of the roller chain 2, so that the first spring-like rod 10.1 and the second spring-like rod 10.3 can rotate around the connecting rod 10.2 when passing the position of the chain wheel 4, ensuring that the conveyor belt 10 is attached to the support roller 6.

Referring to fig. 3, in a preferred embodiment, support plates 8 are arranged on two sides of the frame 1 below the roller chains 2, and the support plates 8 are arranged between the two transmission shafts 5. The supporting plate 8 is used for supporting the middle of the roller chain 2, and when the conveyor belt 10 is under pressure of a workpiece, the connecting shaft 3 is supported on the supporting plate 8 through the roller chain 2, so that the conveyor belt 10 is prevented from locally sagging.

Preferably, a slide rail 9 abutting against the bottom surface of the roller chain 2 is fixed to the top surface of the support plate 8, and both ends of the slide rail 9 are bent to the side away from the roller chain 2. In practical application, the width of the slide rail 9 is set to be smaller than the length of the roller chain 2, and the diameter of the roller chain 2 is usually smaller than the width of the connecting piece, so that after installation, the top surface of the slide rail 9 abuts against the roller, and the side surface of the slide rail 9 can limit the connecting pieces at two ends of the roller, so that the roller chain 2 can move on the slide rail 9 as a whole. And the two ends of the slide rail 9 are bent to the side far away from the roller chain 2, so that the influence on the movement of the roller chain 2 caused by the fact that the end part of the slide rail 9 is pressed against the chain link of the roller chain 2 can be avoided.

Referring to fig. 4, a mesh type conveyor belt 10 for a conveyor includes a first spring-shaped rod 10.1, a second spring-shaped rod 10.3 and a connecting rod 10.2, where the first spring-shaped rod 10.1 and the second spring-shaped rod 10.3 are both plural, the first spring-shaped rod 10.1 and the second spring-shaped rod 10.3 are disposed at an interval, the connecting rod 10.2 penetrates through the inside of the adjacent first spring-shaped rod 10.1 and the second spring-shaped rod 10.3, one end of the connecting rod 10.2 is fixedly connected to the end corresponding to the first spring-shaped rod 10.1, and the other end of the connecting rod 10.2 is fixedly connected to the end corresponding to the second spring-shaped rod 10.3.

The automatic conveying device mainly comprises a rack 1, a transmission shaft 5, a chain wheel 4, a roller chain 2, a connecting shaft 3 and a conveying belt 10, wherein the transmission shaft 5 is rotatably connected to the rack 1, the chain wheel 4 is fixed at two ends of the transmission shaft 5, the roller chain 2 is meshed and connected to the roller chain 2, the middle part of the connecting shaft 3 penetrates through the conveying belt 10, and two ends of the connecting shaft are connected with connecting pieces of the roller chain 2, so that the conveying belt 10 can be driven to move when the driving assembly 7 drives the transmission shaft 5 to rotate, and a workpiece is supported by the connecting shaft 3 with high rigidity after being placed on the conveying belt 10, so that the conveying belt 10 cannot deform, and the whole working surface of the conveying belt 10 for conveying the workpiece is on the same plane; the pitch of the chain links of the roller chain 2 is twice that of the gear teeth of the chain wheel 4, and the distance between the mounting hole 2.1 and the roller of the roller chain 2 is equal to one time that of the gear teeth of the chain wheel 4, so that when the roller chain 2 is meshed with the chain wheel 4, the connecting shaft 3 falls at the meshing position of the roller chain 2 and the chain wheel 4, and the phenomenon that the roller chain 2 is separated from the chain wheel 4 because the connecting shaft 3 is pressed against the top surface of the gear teeth of the chain wheel 4 cannot occur.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A conveying device is characterized by comprising a rack and two transmission shafts rotatably connected to a support, wherein chain wheels are fixedly connected to two ends of each transmission shaft, roller chains are connected to the chain wheels in a meshed mode, the roller chains are connected to the chain wheels at the same end of the transmission shafts in a meshed mode, mounting holes are formed in the middles of connecting pieces of the roller chains, connecting shafts are mounted on the mounting holes, two ends of each connecting shaft are rotatably connected with the mounting holes of the roller chains connected to the transmission shafts, and conveying belts are fixed in the middles of the connecting shafts; one end of one of the transmission shafts is in transmission connection with a driving assembly, and the driving assembly is fixed on the rack; the chain link pitch of the roller chain is more than twice of the gear tooth pitch of the chain wheel, and the multiple is an integer; the distance between the mounting hole and the roller of the roller chain is equal to more than one time of the pitch of the gear teeth of the chain wheel, and the multiple is an integer.

2. A conveyor as in claim 1 wherein a support roller is attached to the drive shaft at a central portion thereof, the support roller having an outer surface abutting the conveyor belt.

3. A conveyor as in claim 1 wherein the link pitch of the roller chain is twice the tooth pitch of the sprocket and the mounting holes are spaced from the rollers of the roller chain by a distance equal to the tooth pitch of the sprocket.

4. A conveyor as in claim 3 wherein the diameter of the mounting holes is less than or equal to the diameter of the rollers of the roller chain.

5. A conveyor as in claim 1 wherein the conveyor belt is one of a belt, a plate conveyor, or a mesh conveyor.

6. The conveying device as claimed in claim 5, wherein the mesh conveyor belt comprises a first spring-like rod, a second spring-like rod and a connecting rod, the first spring-like rod and the second spring-like rod are plural, the first spring-like rod and the second spring-like rod are spaced apart, the connecting rod simultaneously penetrates through the inside of the adjacent first spring-like rod and second spring-like rod, one end of the connecting rod is fixedly connected with the end corresponding to the first spring-like rod, the other end of the connecting rod is fixedly connected with the end corresponding to the second spring-like rod, and the connecting shaft penetrates through the inside of the first spring-like rod and the second spring-like rod.

7. A conveyor as in claim 6 wherein the diameter of the spring-like rod bodies is less than or equal to the link pitch of a roller chain.

8. The conveying device as claimed in claim 1, wherein support plates are provided on both sides of the frame below the roller chains, and the support plates are disposed between the two transmission shafts.

9. The conveyor according to claim 8, wherein the top surface of the support plate is fixed with a slide rail abutting against the bottom surface of the roller chain, and both ends of the slide rail are bent to the side away from the roller chain.

10. The utility model provides a net formula conveyer belt for conveyer, a serial communication port, including the first spring form body of rod, the second spring form body of rod and the connection body of rod, the first spring form body of rod and the second spring form body of rod are many, the first spring form body of rod and the interval setting of the second spring form body of rod, the connection body of rod runs through the inside of the adjacent first spring form body of rod and the second spring form body of rod simultaneously, the tip fixed connection that connection body of rod one end and first spring form body of rod correspond, the connection body of rod other end and the tip fixed connection that the second spring form body of rod corresponds.