CN212126497U

CN212126497U - Conveying device with adjustable width

Info

Publication number: CN212126497U
Application number: CN202020517292.7U
Authority: CN
Inventors: 刘添发
Original assignee: Zhuhai Gree Daikin Device Co Ltd
Current assignee: Zhuhai Gree Daikin Device Co Ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-12-11
Anticipated expiration: 2030-04-09

Abstract

The utility model provides a width-adjustable conveying device, which comprises a frame, a driving mechanism, a first support frame, a first conveying chain, a second conveying chain, a driving shaft, a driven shaft, two first chain wheels and two second chain wheels, wherein the frame is provided with the second support frame, the first support frame can move towards or away from the second support frame, the first conveying chain and the second conveying chain are arranged between the first support frame and the second support frame, the driving shaft and the driven shaft are respectively and rotatably supported at two ends of the first support frame and the second support frame, one first chain wheel and one second chain wheel are respectively sleeved on the driving shaft, one first chain wheel and one second chain wheel are respectively sleeved on the driven shaft, the first conveying chain is sleeved between the two first chain wheels, the second conveying chain is sleeved between the two second chain wheels, the two second chain wheels are respectively connected with the first support frame, the driving mechanism can control the driving shaft to rotate around the axis of the driving shaft. The width of the conveying device is adjustable, the production efficiency is high, and the cost is low.

Description

Conveying device with adjustable width

Technical Field

The utility model belongs to the technical field of product conveying equipment technique and specifically relates to a conveyor of adjustable width is related to.

Background

The conveying device is mainly used for finishing the conveying task of the product materials. The width of the existing conveying device is fixed and not adjustable, the existing conveying device can only meet the requirements of using a single product or a product with small size difference, cannot meet the requirements of conveying multiple sizes and multiple types of products, and products with large size difference cannot share the same conveying device.

Along with the continuous development of economy in China and the continuous promotion of intelligent manufacturing technology, the updating speed of products is faster and faster, the conveying device with fixed width can not meet the requirement that products with larger size difference share one conveying device for production, a plurality of conveying devices need to be designed according to the products with different sizes, and the production cost of enterprises is greatly increased.

Disclosure of Invention

In order to realize the utility model discloses a main objective, the utility model provides a width is adjustable, simple structure, simple operation, high and the low in production cost's of production efficiency conveyor.

In order to realize the main purpose of the utility model, the utility model provides a width-adjustable conveying device, which comprises a frame, a driving mechanism, a first supporting frame, a first conveying chain, a second conveying chain, a driving shaft, a driven shaft, two first chain wheels and two second chain wheels, wherein the frame is provided with the second supporting frame, the first supporting frame is positioned on the frame and can move towards or away from the second supporting frame, the first conveying chain and the second conveying chain are parallel to each other and arranged between the first supporting frame and the second supporting frame, the driving shaft is rotatably supported at one end of the first supporting frame and one end of the second supporting frame, the driven shaft is rotatably supported at the other end of the first supporting frame and the other end of the second supporting frame, one first chain wheel and one second chain wheel are respectively sleeved on the driving shaft, one first chain wheel and one second chain wheel are respectively sleeved on the driven shaft, the first conveying chain is sleeved between the two first chain wheels, the second conveying chain is sleeved between the two second chain wheels, the two second chain wheels are respectively connected with the two ends of the first supporting frame, and the driving mechanism can control the driving shaft to rotate around the axis of the driving mechanism.

According to the scheme, the first support frame of the conveying device can move towards or away from the second support frame, the two second chain wheels are respectively connected with the two ends of the first support frame, the second conveying chain is sleeved between the two second chain wheels, the first support frame drives the two second chain wheels and the second conveying chain to synchronously move towards or away from the first conveying chain when moving towards or away from the second support frame, so that the width between the second conveying chain and the first conveying chain is adjusted, the second conveying chain and the first conveying chain can convey products with different sizes, the production space of the products is saved, the production cost of the products is saved, the time for replacing the automatic product conveyor is shortened, and the production efficiency is improved. The conveying device can adjust the width between the first conveying chain and the second conveying chain according to products of different sizes to adapt to the production requirements of automatic conveying of the products of different sizes, so that one conveying device can be compatible with the use of multiple sizes and multiple types of products, the structure is simple, the operation is convenient, the production input cost is greatly reduced, the production space is saved, the replacement beat of the products is promoted, and the production efficiency of the products is improved.

The further scheme is that the first support frame and the second support frame are arranged in parallel, so that the production space of products is saved, and the working reliability of the conveying device is improved.

The further scheme is that a limiting plate is arranged between the first supporting frame and the second supporting frame, and the first conveying chain and the second conveying chain are different in width adaptation, so that the width between the first conveying chain and the second conveying chain is kept under the positioning of the limiting plate, and the working reliability of the conveying device is improved.

The further scheme is that a plurality of guide rails are further arranged on the rack, the guide rails are arranged side by side in the moving direction of the first conveying chain, each guide rail extends in the moving direction perpendicular to the first conveying chain, a plurality of sliding blocks are arranged at the bottom of the first support frame, and each sliding block is movably matched with one guide rail.

According to the scheme, in the process that the first supporting frame moves towards or away from the second supporting frame, the sliding blocks are matched with the guide rails in a synchronous moving mode, and the width adjusting precision between the first conveying chain and the second conveying chain is improved.

The driving mechanism comprises a motor, a driving wheel, a driven wheel and a transmission part, the motor is installed on the side face of the rack, the driving wheel is sleeved on a main shaft of the motor, the driven wheel is sleeved on a driving shaft, the transmission part is sleeved between the driving wheel and the driven wheel, and the transmission precision is high.

According to a further scheme, the conveying device further comprises two first bearings and two shaft sleeves, the first bearings, the shaft sleeves and the second chain wheels are matched with each other, each second chain wheel axially extends to form a shaft shoulder, one first bearing is sleeved on one shaft shoulder, one shaft sleeve is sleeved on one first bearing, the two shaft sleeves are respectively connected with two ends of the first supporting frame, and the transmission precision is high.

According to a further scheme, the conveying device further comprises two mounting plates, the two mounting plates are respectively mounted at two ends of the first supporting frame, each mounting plate is provided with two through grooves, the two through grooves are arranged side by side in the moving direction of the second conveying chain, each through groove extends in the vertical direction, each shaft sleeve is provided with a flange in a radial protruding mode, each flange is provided with two through holes symmetrically arranged relative to the axis of the shaft sleeve, and the two through holes of each flange are respectively connected with the two through grooves of each mounting plate in a one-to-one correspondence mode through locking pieces.

According to the scheme, the through grooves extend in the vertical direction, the through holes are connected with the through grooves in a one-to-one correspondence mode through the locking pieces, the through holes are conveniently aligned and matched with the through grooves, and the assembly efficiency of the conveying device is improved.

According to a further scheme, the conveying device further comprises two first limiting sleeves, the two first limiting sleeves are respectively sleeved on the driving shaft and the driven shaft, one first limiting sleeve is abutted to the end face, close to the first chain wheel, of the second chain wheel, each first limiting sleeve is radially provided with a first fastening hole communicated with the shaft hole, and the first fastening piece is inserted into the first fastening hole and abutted to the outer peripheral wall of the driving shaft/the driven shaft.

According to the scheme, each first limiting sleeve is radially provided with the first fastening hole communicated with the shaft hole, and the first fastening piece is inserted into the first fastening hole and abutted against the outer peripheral wall of the driving shaft/driven shaft, so that the first limiting sleeves are fastened on the driving shaft/driven shaft, and the working reliability is improved.

According to a further scheme, the driving shaft is provided with a first limiting strip protruding in the radial direction, the driven shaft is provided with a second limiting strip protruding in the radial direction, each first chain wheel is axially provided with a first through groove communicated with the shaft hole, each second chain wheel is axially provided with a second through groove communicated with the shaft hole, each first limiting sleeve is axially provided with a third through groove communicated with the shaft hole, the first through groove, the second through groove and the third through groove are respectively sleeved on the first limiting strip, and the first through groove, the second through groove and the third through groove are respectively sleeved on the second limiting strip.

According to the scheme, the first through groove of the first chain wheel, the second through groove of the second chain wheel and the third through groove of the first limiting sleeve are respectively sleeved on the first limiting strip/the second limiting strip, so that the transmission precision among parts is improved, and the working reliability is improved.

The further proposal is that the conveying device also comprises four groups of rotating support components and four support plates, wherein two support plates are respectively arranged on the side surfaces of two ends of the second support frame far away from the first support frame, the other two support plates are respectively arranged on the machine frame and positioned on the side surfaces of the first support frame far away from the second support frame, the other two support plates are respectively arranged corresponding to the two support plates one by one in the moving direction vertical to the first conveying chain, one group of rotating support components is matched with one support plate, each support plate is provided with a support hole, each group of rotating support components comprises a second bearing, a second limit sleeve and two stop rings, one second bearing is positioned in one support hole and sleeved at one end of the driving shaft/driven shaft, the two stop rings are respectively arranged on two side surfaces of one support plate and are pressed against two ends of one second, and each second limiting sleeve is sleeved on the driving shaft/driven shaft and is positioned on the side surface of one supporting plate close to the second conveying chain, each second limiting sleeve is radially provided with a second fastening hole communicated with the shaft hole, and a second fastening piece is inserted into the second fastening hole and is abutted against the outer peripheral wall of the driving shaft/driven shaft.

Drawings

Fig. 1 is a first view structural diagram of an embodiment of a width-adjustable conveying device according to the present invention.

Fig. 2 is a second view structural diagram of an embodiment of the width-adjustable conveying device according to the present invention.

Fig. 3 is a first perspective structural sectional view of an embodiment of the width-adjustable conveying device according to the present invention.

Fig. 4 is a second perspective structural sectional view of an embodiment of the width-adjustable conveying device of the present invention.

Fig. 5 is a third perspective structural sectional view of an embodiment of the width-adjustable conveying device according to the present invention.

Fig. 6 is a partial structural view of an embodiment of the width-adjustable conveying device according to the present invention.

Fig. 7 is a partial exploded view of an embodiment of an adjustable width delivery apparatus of the present invention.

Fig. 8 is a schematic diagram of the engagement between the first bearing, the shaft sleeve, the second sprocket, the mounting plate and the driving/driven shaft in an embodiment of the width adjustable conveyor of the present invention.

Fig. 9 is an exploded view of the cooperation between the first bearing, the shaft sleeve, the second sprocket, the mounting plate and the driving/driven shaft in an embodiment of the adjustable width conveyor of the present invention.

Fig. 10 is a partial cross-sectional view of an embodiment of an adjustable width delivery apparatus of the present invention.

Fig. 11 is a block diagram of a driven wheel in an embodiment of an adjustable width conveyor of the present invention.

Fig. 12 is a block diagram of a first sprocket in an embodiment of an adjustable width conveyor of the present invention.

Fig. 13 is a block diagram of a second sprocket in an embodiment of an adjustable width conveyor of the present invention.

Fig. 14 is a block diagram of a sleeve in an embodiment of an adjustable width delivery apparatus of the present invention.

Fig. 15 is a structural diagram of the first supporting frame and other components of an embodiment of the width-adjustable conveying device according to the present invention.

Fig. 16 is a block diagram of a frame and other components of an embodiment of an adjustable width conveyor of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 and 2, a width-adjustable conveying device 1 includes a frame 2, a driving mechanism, a first support frame 4, a first conveying chain 12, a second conveying chain 11, a driving shaft 14, a driven shaft 13, two first chain wheels 17, two second chain wheels 16, four groups of rotating support assemblies and four support plates 5, wherein the frame 2 is provided with a second support frame 3, and the first support frame 4 is located on the frame 2 and can move towards or away from the second support frame 3. In this embodiment, the first support frame 4 and the second support frame 3 are arranged in parallel, and a limit plate 9 is arranged between the first support frame 4 and the second support frame 3. The first conveying chain 12 and the second conveying chain 11 are parallel to each other and arranged between the first support frame 4 and the second support frame 3, and the products 10 can be placed on the first conveying chain 12 and the second conveying chain 11. The driving shaft 14 is rotatably supported at one ends of the first and

second support frames

4 and 3, and the driven shaft 13 is rotatably supported at the other ends of the first and

second support frames

4 and 3. A first chain wheel 17 and a second chain wheel 16 are respectively sleeved on the driving shaft 14, the first chain wheel 17 and the second chain wheel 16 are respectively sleeved on the driven shaft 13, the first conveying chain 12 is sleeved between the two first chain wheels 17, the second conveying chain 11 is sleeved between the two second chain wheels 16, the two second chain wheels 16 are respectively connected with two ends of the first supporting frame 4, and the driving mechanism can control the driving shaft 14 to rotate around the axis of the driving shaft.

Referring to fig. 3 to 5, the driving mechanism includes a motor 8, a driving wheel 19, a driven wheel 18 and a transmission member (not labeled), the motor 8 is installed on the side of the frame 2, the driving wheel 19 is sleeved on the main shaft of the motor 8, the driven wheel 18 is sleeved on the driving shaft 14, and the transmission member is sleeved between the driving wheel 19 and the driven wheel 18. Wherein, the driving medium can select the hold-in range, also can select the driving chain.

Referring to fig. 6 to 14, the conveying device 1 further includes two first bearings 25, two shaft sleeves 21, two mounting plates 20 and two first position-limiting sleeves 22, one first bearing 25, one shaft sleeve 21 and one second sprocket 16 are adapted to each other, each second sprocket 16 extends in the axial direction to form a shaft shoulder 161, one first bearing 25 is sleeved on one shaft shoulder 161, one shaft sleeve 21 is sleeved on one first bearing 25, and the two shaft sleeves 21 are respectively connected with two ends of the first support frame 4. Specifically, two mounting plates 20 are respectively installed at two ends of the first support frame 4, each mounting plate 20 is provided with two through grooves 201, the two through grooves 201 are arranged side by side in the moving direction of the second conveying chain 11, and each through groove 201 extends in the vertical direction. Each shaft sleeve 21 is provided with a flange 211 in a radial protruding manner, each flange 211 is provided with two through holes 212 symmetrically arranged about the axis of the shaft sleeve 21, the two through holes 212 of each flange 211 are respectively connected with the two through slots 201 of each mounting plate 20 in a one-to-one correspondence manner through locking members (not shown), which include but are not limited to screws, bolts, and other locking parts. Each boss 21 is radially opened with a fifth fastening hole 213 communicating with the shaft hole, and a fifth fastening member (not shown) is inserted into the fifth fastening hole 213 and abuts on the outer circumferential wall of the first bearing 25. The fifth fastener includes, but is not limited to, screws, bolts, expansion pins, etc. that operate on the same principle as expansion bolts. When the fifth fastening member is a fastening part having an external thread such as a screw, a bolt, etc., the fifth fastening hole 213 has an internal thread such that the fifth fastening member is screw-fitted to the fifth fastening hole 213 and one end abuts on the outer circumferential wall of the first bearing 25.

Two first stop collars 22 are respectively sleeved on the driving shaft 14 and the driven shaft 13, and one first stop collar 22 is abutted on the end face of one second chain wheel 16 close to the first chain wheel 17. Each first stopper 22 is radially provided with a first fastening hole 221 communicating with the shaft hole, and a first fastening member (not shown) is inserted into the first fastening hole 221 and abuts against the outer peripheral wall of the driving shaft 14/the driven shaft 13. The first fastener includes, but is not limited to, screws, bolts, expansion pins, etc. that operate on the same principle as expansion bolts. When the first fastening member is a fastening part having an external thread such as a screw, a bolt, etc., the first fastening hole 221 has an internal thread such that the first fastening member is screw-fitted to the first fastening hole 221 and one end thereof abuts on the outer circumferential wall of the driving shaft 14/driven shaft 13.

The driving shaft 14 is provided with a first limiting strip 141 protruding in the radial direction, the driven shaft 13 is provided with a second limiting strip 131 protruding in the radial direction, each first chain wheel 17 is axially provided with a first through groove 172 communicated with the shaft hole, each second chain wheel 16 is axially provided with a second through groove 162 communicated with the shaft hole, and each first limiting sleeve 22 is axially provided with a third through groove 222 communicated with the shaft hole. One first through groove 172, one second through groove 162 and one third through groove 222 are respectively sleeved on the first limiting strip 141, and one first through groove 172, one second through groove 162 and one third through groove 222 are respectively sleeved on the second limiting strip 131. Wherein, each first sprocket 17 extends axially with a shaft post 171, each shaft post 171 is opened with two third fastening holes 174 symmetrically arranged about the axis of the shaft post 171, each third fastening hole 174 extends through the annular wall of the shaft post 171 in the radial direction of the shaft post 171, and a third fastening member (not labeled) is inserted into the third fastening hole 174 and abuts on the outer peripheral wall of the driving shaft 14/the driven shaft 13. The third fastener includes, but is not limited to, screws, bolts, expansion pins, etc. that operate in a manner similar to an expansion bolt. When the third fastening member is a fastening part having an external thread such as a screw, a bolt, etc., the third fastening hole 174 has an internal thread such that the third fastening member is screw-fitted to the third fastening hole 174 and one end is abutted on the outer circumferential wall of the driving shaft 14/driven shaft 13.

The driving shaft 14 is further provided with a third limiting strip 142 protruding in the radial direction, the driven wheel 18 is axially provided with a fourth through groove 182 communicated with the shaft hole, and the fourth through groove 182 is sleeved on the third limiting strip 142. The driven wheel 18 extends axially with a collar 181, the collar 181 is radially opened with a fourth fastening hole 183 communicated with the shaft hole, and a fourth fastening member (not shown) is inserted into the fourth fastening hole 183 and abuts against the outer peripheral wall of the driving shaft 14. The fourth fastener includes, but is not limited to, screws, bolts, expansion pins, etc. that operate on the same principle as expansion bolts. When the fourth fastening member is a fastening part having an external thread such as a screw, a bolt, etc., the fourth fastening hole 183 has an internal thread such that the fourth fastening member is screw-fitted to the fourth fastening hole 183 and one end thereof abuts on the outer circumferential wall of the driving shaft 14.

Two of the four supporting plates 5 are respectively arranged on the side surfaces of the two ends of the second supporting frame 3 far away from the first supporting frame 4, the other two supporting plates 5 are respectively arranged on the frame 2 and are positioned on the side surfaces of the first supporting frame 4 far away from the second supporting frame 3, and the other two supporting plates 5 are respectively arranged in one-to-one correspondence with the two supporting plates 5 in the moving direction perpendicular to the first conveying chain 12. One supporting plate 5 of a set of rotation supporting component adaptation, each supporting plate 5 has seted up supporting hole 51, and each rotation supporting component of group includes second bearing 24, second stop collar 23 and two backstop rings 15, and a second bearing 24 is located a supporting hole 51 and cup joints the one end at driving shaft 14/driven shaft 13. The two stop rings 15 are respectively installed on two side surfaces of one support plate 5 and abut against two ends of one second bearing 24, one second limiting sleeve 23 is sleeved on the driving shaft 14/driven shaft 13 and is located on one side surface, close to the second conveying chain 11, of the support plate 5, each second limiting sleeve 23 is radially provided with a second fastening hole 231 communicated with the shaft hole, and a second fastening piece (not marked) is inserted into the second fastening holes 231 and abuts against the outer peripheral wall of the driving shaft 14/driven shaft 13. The second fastener includes, but is not limited to, screws, bolts, expansion pins, etc. that operate on the same principle as expansion bolts. When the second fastening member is a fastening part having an external thread such as a screw, a bolt, etc., the second fastening hole 231 has an internal thread such that the second fastening member is screw-fitted to the second fastening hole 231 and one end thereof abuts on the outer circumferential wall of the driving shaft 14/driven shaft 13.

Referring to fig. 15 and 16, the frame 2 of the present embodiment is further provided with five guide rails 7, the five guide rails 7 are arranged side by side in the moving direction of the first conveyor chain 12, and each guide rail 7 extends in a direction perpendicular to the moving direction of the first conveyor chain 12. Five sliding blocks 6 are arranged at the bottom of the first supporting frame 4, and one sliding block 6 is movably matched with one guide rail 7.

The first support frame 4 of the conveying device 1 of the embodiment can move towards or away from the second support frame 3, because the two second chain wheels 16 are respectively connected with two ends of the first support frame 4, and the second conveying chain 11 is sleeved between the two second chain wheels 16, the first support frame 4 drives the two second chain wheels 16 and the second conveying chain 11 to synchronously move towards or away from the first conveying chain 12 when moving towards or away from the second support frame 3, so that the width between the second conveying chain 11 and the first conveying chain 12 is adjusted, the second conveying chain 11 and the first conveying chain 12 can convey products 10 with different sizes, the production space of the products 10 is saved, the production cost of the products 10 is saved, the time for replacing automatic conveyor varieties of the products 10 is reduced, and the production efficiency is improved. This embodiment conveyor 1 can adjust the production needs that the width between first conveyor chain 12 and the second conveyor chain 11 was come the automatic transport of adaptation unidimensional product 10 according to unidimensional product 10 for a conveyor 1 can be compatible many sizes, the use of multiple type of product 10, and simple structure, the simple operation, greatly reduced production input cost saves production space, promotes the change beat of product 10, improves product 10 production efficiency.

Above embodiment is the preferred example of the utility model, and not the restriction the utility model discloses the range of implementing, the event all according to the utility model discloses the equivalent change or the decoration that structure, characteristic and principle were done of application for patent scope all should be included in the utility model discloses the patent application scope.

Claims

1. The utility model provides a conveyor of adjustable width, includes the frame, its characterized in that:

the conveying device further comprises a driving mechanism, a first support frame, a first conveying chain, a second conveying chain, a driving shaft, a driven shaft, two first chain wheels and two second chain wheels, wherein the second support frame is arranged on the rack, and the first support frame is positioned on the rack and can move towards or away from the second support frame;

the first conveying chain and the second conveying chain are parallel to each other and arranged between the first support frame and the second support frame side by side, the driving shaft is rotatably supported at one end of the first support frame and one end of the second support frame, and the driven shaft is rotatably supported at the other end of the first support frame and the other end of the second support frame;

the first chain wheel and the second chain wheel are respectively sleeved on the driving shaft, the first chain wheel and the second chain wheel are respectively sleeved on the driven shaft, the first conveying chain is sleeved between the two first chain wheels, the second conveying chain is sleeved between the two second chain wheels, the two second chain wheels are respectively connected with two ends of the first supporting frame, and the driving mechanism can control the driving shaft to rotate around the axis of the driving shaft.

2. The delivery device of claim 1, wherein:

the first support frame and the second support frame are arranged in parallel.

3. The delivery device of claim 2, wherein:

a limiting plate is arranged between the first support frame and the second support frame.

4. The delivery device of claim 1, wherein:

the rack is also provided with a plurality of guide rails which are arranged side by side in the moving direction of the first conveying chain, and each guide rail extends in the direction vertical to the moving direction of the first conveying chain;

the bottom of the first support frame is provided with a plurality of sliding blocks, and one sliding block is movably matched with one guide rail.

5. The delivery device of claim 1, wherein:

the driving mechanism comprises a motor, a driving wheel, a driven wheel and a transmission part, the motor is installed on the side face of the rack, the driving wheel is sleeved on a main shaft of the motor, the driven wheel is sleeved on the driving shaft, and the transmission part is sleeved between the driving wheel and the driven wheel.

6. The delivery device of any one of claims 1 to 5, wherein:

the conveying device also comprises two first bearings and two shaft sleeves, wherein one first bearing, one shaft sleeve and one second chain wheel are mutually matched;

each second chain wheel extends in the axial direction to form shaft shoulders, one first bearing is sleeved on one shaft shoulder, and one shaft sleeve is sleeved on one first bearing;

the two shaft sleeves are respectively connected with two ends of the first support frame.

7. The delivery device of claim 6, wherein:

the conveying device further comprises two mounting plates, the two mounting plates are respectively mounted at two ends of the first support frame, each mounting plate is provided with two through grooves, the two through grooves are arranged side by side in the moving direction of the second conveying chain, and each through groove extends in the vertical direction;

each axle sleeve is provided with a flange in a radial protruding mode, each flange is provided with two through holes symmetrically arranged about the axis of the axle sleeve, and the two through holes of each flange are respectively connected with the two through grooves of each mounting plate in a one-to-one correspondence mode through locking pieces.

8. The delivery device of claim 7, wherein:

the conveying device further comprises two first limiting sleeves, the two first limiting sleeves are respectively sleeved on the driving shaft and the driven shaft, and one first limiting sleeve is abutted on the end face, close to the first chain wheel, of the second chain wheel;

each first limiting sleeve is radially provided with a first fastening hole communicated with the shaft hole, and a first fastening piece is inserted into the first fastening hole and abutted against the outer peripheral wall of the driving shaft/the driven shaft.

9. The delivery device of claim 8, wherein:

the driving shaft is provided with a first limiting strip protruding in the radial direction, the driven shaft is provided with a second limiting strip protruding in the radial direction, each first chain wheel is axially provided with a first through groove communicated with the shaft hole, each second chain wheel is axially provided with a second through groove communicated with the shaft hole, and each first limiting sleeve is axially provided with a third through groove communicated with the shaft hole;

the first through groove, the second through groove and the third through groove are respectively sleeved on the first limiting strip, and the first through groove, the second through groove and the third through groove are respectively sleeved on the second limiting strip.

10. The delivery device of claim 9, wherein:

the conveying device further comprises four groups of rotating support assemblies and four support plates, wherein two support plates are respectively arranged on the side faces, far away from the first support frame, of the two ends of the second support frame, the other two support plates are respectively arranged on the rack and are positioned on the side faces, far away from the second support frame, of the first support frame, and the other two support plates are respectively arranged in a one-to-one correspondence manner with the two support plates in the moving direction perpendicular to the first conveying chain;

one group of the rotating support assemblies is matched with one support plate, each support plate is provided with a support hole, each group of the rotating support assemblies comprises a second bearing, a second limit sleeve and two stop rings, and one second bearing is positioned in one support hole and is sleeved at one end of the driving shaft/the driven shaft;

the two stop rings are respectively installed on two side faces of one supporting plate and abut against two ends of one second bearing, one second limiting sleeve is sleeved on the driving shaft/the driven shaft and is positioned on one side face, close to the second conveying chain, of the supporting plate, each second limiting sleeve is radially provided with a second fastening hole communicated with the shaft hole, and a second fastening piece is inserted into the second fastening hole and abuts against the outer peripheral wall of the driving shaft/the driven shaft.