Chain type lifting and conveying device

By designing a chain-type lifting conveyor, and utilizing the combination of a transmission chain and sprockets with a guiding mechanism, the instability problem of existing conveying devices is solved, achieving stable lifting and expanding the transportation range, thereby improving production efficiency and safety.

CN224172380UActive Publication Date: 2026-04-28AIXIN INTELLIGENT TECHNOLOGY (HUAIAN) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
AIXIN INTELLIGENT TECHNOLOGY (HUAIAN) CO LTD
Filing Date
2025-05-23
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing factory logistics conveyor systems have large footprints, poor operational stability, and are prone to instability when transporting large products, resulting in incomplete lifting and impacting production efficiency and safety.

Method used

A chain-type lifting and conveying device is adopted. The transmission chain and sprocket in the lifting mechanism work together to ensure the vertical movement of the conveying mechanism. The first upper sprocket, the second upper sprocket and the first lower sprocket are arranged in a triangular distribution. Combined with the guiding mechanism and proximity sensor, the stable lifting of the conveying mechanism is achieved.

Benefits of technology

It improves the overload capacity and transport range of the lifting conveyor, ensures the stability and safety of the product lifting process, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224172380U_ABST
    Figure CN224172380U_ABST
Patent Text Reader

Abstract

The utility model discloses a chain type lifting and conveying device which comprises a lifting frame, a conveying mechanism and a lifting mechanism, wherein the conveying mechanism can move up and down and is arranged in the lifting frame; the lifting mechanism is arranged on the lifting frame, connected with the conveying mechanism and drives the conveying mechanism to move up and down; the lifting mechanism comprises two first upper chain wheels oppositely arranged at the upper end of the lifting frame, a synchronizing shaft connected between the two first upper chain wheels, a lifting motor arranged on the lifting frame, connected with the first upper chain wheels and used for driving the first upper chain wheels to rotate, and two second upper chain wheels arranged at the upper end of the lifting frame and opposite to the two first upper chain wheels respectively. The two first lower chain wheels are oppositely arranged at the lower end of the lifting frame; the two transmission chains are respectively arranged among the first upper chain wheels, the second upper chain wheels and the first lower chain wheels on the same side; the conveying mechanism moves up and down by limiting the structure of the lifting mechanism and adopting the mode that the transmission chain is matched with the chain wheel, it is guaranteed that the conveying mechanism is lifted in place, the overload capacity and the conveying range of the lifting conveying device are improved, and the stability of products in the lifting process can be effectively guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of lifting equipment technology, specifically relating to a chain-type lifting and conveying device. Background Technology

[0002] Currently, with the gradual improvement of people's quality of life and consumption level, the demand for household appliances and other pharmaceutical products is increasing day by day, which leads to the annual increase in the production volume of enterprises. The transportation of products has also become an important part of enterprise production, which seriously affects the production efficiency of the production line.

[0003] Existing factory logistics conveyor systems occupy a large area and have poor operational stability. Their safety and reliability during product transportation urgently need to be improved. Because existing factory logistics conveyor systems cannot meet the needs of enterprise development, their transportation range is greatly limited. For example, when transporting some large products, unstable product transportation and inadequate lifting are prone to occur, which urgently need to be improved. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a chain-type lifting and conveying device.

[0005] The present invention adopts the following technical solution:

[0006] A chain-type lifting and conveying device includes a lifting frame, a conveying mechanism movable up and down in the lifting frame, and a lifting mechanism connected to the lifting frame and driving the conveying mechanism to move up and down. The lifting mechanism includes two first upper sprockets opposite each other at the upper end of the lifting frame, a synchronous shaft connected between the two first upper sprockets, a lifting motor connected to the lifting frame and driving one of the first upper sprockets to rotate, two second upper sprockets opposite each other at the upper end of the lifting frame, two first lower sprockets opposite each other at the lower end of the lifting frame, and two transmission chains respectively disposed between the first upper sprocket and the second upper sprocket and the first lower sprocket on the same side. The first lower sprocket is located between the first upper sprocket and the second upper sprocket on the same side. Connecting members connected to the opposing transmission chains are formed on both sides of the conveying mechanism.

[0007] Preferably, the conveying mechanism includes a conveying frame with its two ends respectively connected to opposing drive chains, a first conveying roller disposed at the rear end of the conveying frame, two second conveying roller assemblies disposed opposite to the front end of the first conveying roller, a transition roller assembly disposed on the conveying frame between the two second conveying roller assemblies, and a drive assembly disposed on the conveying frame to drive the first conveying roller and the two second conveying roller assemblies to work. The extension length of the transition roller assembly is less than the length of the second conveying roller assembly, so that its front end forms a transfer area for transferring items with the front end of the second conveying roller assembly.

[0008] Preferably, the second conveying roller assembly includes a plurality of second conveying rollers spaced apart along the article conveying direction. The first conveying roller includes a first conveying roller body and two first conveying sprockets disposed opposite to each other at both ends of the first conveying roller body. The second conveying roller includes a second conveying roller body and a second conveying sprocket disposed at the end of the second conveying roller body opposite to the first conveying sprocket on the same side.

[0009] Preferably, the drive assembly includes a drive motor mounted on the conveyor frame, a rotating sprocket mounted on the output shaft of the drive motor, a first conveyor chain mounted between the rotating sprocket and a first conveyor sprocket and a plurality of second conveyor sprockets on the same side, and a second conveyor chain mounted opposite to the first conveyor chain between the first conveyor sprocket and a plurality of second conveyor sprockets on the other side.

[0010] Preferably, the conveyor frame includes a U-shaped conveyor frame body, two first support plates spaced apart in the conveyor frame body, and two second support plates spaced apart between the two first support plates. The two second conveying roller assemblies are respectively disposed between the two first support plates and the opposite conveyor frame body, and the transition roller assembly is disposed between the two second support plates.

[0011] Preferably, the conveyor frame further includes two blocking members respectively disposed between the two second support plates and the opposite first support plate, the blocking members including a transition plate disposed on the main body of the conveyor frame and a blocking block disposed on the transition plate.

[0012] Preferably, the connector includes two connecting frames spaced apart on one side of the conveying mechanism and two connecting heads respectively disposed on the two connecting frames and connected to the transmission chain on the same side, wherein the upper end of the connecting head is formed with a connecting groove for connecting to the transmission chain.

[0013] Preferably, the lifting mechanism further includes two transition sprockets disposed opposite to each other on the upper end of the lifting frame, the transition sprockets being located between the first upper sprocket and the second upper sprocket on the same side.

[0014] Preferably, it also includes a first proximity sensor and a second proximity sensor that are spaced apart on the conveying mechanism along the article conveying direction.

[0015] Preferably, the device further includes two guide mechanisms respectively disposed on both sides of the conveying mechanism and between the lifting frame. The guide mechanism includes a guide plate disposed on the conveying mechanism, a first guide wheel disposed vertically on the guide plate, and two second guide wheels disposed laterally on the guide plate on both sides of the first guide wheel. The axis of the first guide wheel is perpendicular to the axis of the second guide wheel. Two limiting plates are disposed at intervals on the opposite surfaces of the lifting frame and the first guide wheel. A guide groove that cooperates with the first guide wheel is formed between the two limiting plates. The two second guide wheels abut against the outer sides of the two limiting plates respectively.

[0016] As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are as follows: The present application, by limiting the structure of the lifting mechanism, uses a transmission chain and sprockets to achieve the up-and-down movement of the conveying mechanism, ensuring that the conveying mechanism is lifted into place, improving the overload capacity and transportation range of the lifting and conveying device, and effectively ensuring the stability of the product during the lifting process. Specifically, a first upper sprocket and a second upper sprocket are provided at the upper end of the lifting frame, and a first lower sprocket is provided at the lower end of the lifting frame. The arrangement of the first upper sprocket, the second upper sprocket and the first lower sprocket is limited so that the three sprockets are triangularly distributed, further ensuring the stability of the conveying mechanism during the lifting process. Attached Figure Description

[0017] Figure 1 Schematic diagram of the lifting conveyor device Figure 1 ;

[0018] Figure 2 Schematic diagram of the lifting conveyor device Figure 2 ;

[0019] Figure 3 Schematic diagram of the lifting conveyor device Figure 3 ;

[0020] Figure 4 Schematic diagram of the conveying mechanism Figure 1 ;

[0021] Figure 5 Schematic diagram of the conveying mechanism Figure 2 ;

[0022] Figure 6 Schematic diagram of the conveying mechanism Figure 3 ;

[0023] In the diagram, 1-lifting frame, 2-conveying mechanism, 3-lifting mechanism, 4-guide mechanism, 5-first proximity sensor, 6-second proximity sensor, 11-limiting plate, 12-guide groove, 21-conveying frame, 211-conveying frame body, 212-first support plate, 213-second support plate, 214-blocking component, 215-transition plate, 216-blocking block, 22-first conveying roller, 221-first conveying roller body, 222-first conveying sprocket, 23-second conveying roller assembly, 231-second 232-Second conveyor roller body, 233-Second conveyor sprocket, 24-Transition roller, 25-Drive assembly, 251-Drive motor, 252-Rotating sprocket, 26-Connector, 261-Connecting frame, 262-Connecting head, 263-Connecting groove, 27-Transfer area, 31-First upper sprocket, 32-Synchronous shaft, 33-Lifting motor, 34-Second upper sprocket, 35-First lower sprocket, 36-Transition sprocket, 41-Guide plate, 42-First guide wheel, 43-Second guide wheel. Detailed Implementation

[0024] The present invention will be further described below through specific embodiments.

[0025] Reference Figures 1 to 6 As shown, it includes a lifting frame 1, a conveying mechanism 2 that can be moved up and down in the lifting frame 1, a lifting mechanism 3 that is connected to the lifting frame 1 and drives the conveying mechanism 2 to move up and down, two guide mechanisms 4 that are respectively set on both sides of the conveying mechanism 2 and between the lifting frame 1, and a first proximity sensor 5 and a second proximity sensor 6 that are spaced apart on the conveying mechanism 2 along the conveying direction of the item. The setting of the first proximity sensor 5 and the second proximity sensor 6 is used to determine whether the item has entered the conveying mechanism 2 and whether it has been conveyed to the correct position.

[0026] The conveying mechanism 2 includes a conveying frame 21 connected to a lifting mechanism 3 at both ends, a first conveying roller 22 disposed at the rear end of the conveying frame 21, two second conveying roller assemblies 23 disposed opposite to the front end of the first conveying roller 22, a transition roller assembly disposed on the conveying frame 21 between the two second conveying roller assemblies 23, a drive assembly 25 disposed on the conveying frame 21 to drive the first conveying roller 22 and the two second conveying roller assemblies 23, and two connecting pieces 26 disposed on both sides of the conveying frame 21 and connected to the lifting mechanism 3. The extension length of the transition roller assembly is less than the length of the second conveying roller assembly 23, so that its front end forms a transfer area 27 for transferring items with the front end of the second conveying roller assembly 23. The transfer area 27 facilitates forklift loading or unloading.

[0027] The conveyor frame 21 includes a U-shaped conveyor frame body 211, two first support plates 212 spaced apart within the conveyor frame body 211, two second support plates 213 spaced apart between the two first support plates 212, and two blocking members 214 respectively disposed between the two second support plates 213 and the opposite first support plates 212. Two second conveying roller assemblies 23 are respectively disposed between the two first support plates 212 and the opposite conveyor frame body 211, and a transition roller assembly is disposed between the two second support plates 213. Specifically, the blocking member 214 includes a transition plate 215 disposed on the conveyor frame body 211 and a blocking block 216 disposed on the transition plate 215. The blocking block 216 limits the placement of items on the conveyor frame 21, preventing items from moving backward and detaching from the conveyor frame 21.

[0028] The first conveying roller 22 includes a first conveying roller body 221 and two first conveying sprockets 222 disposed opposite to each other at both ends of the first conveying roller body 221.

[0029] The second conveying roller assembly 23 includes a plurality of second conveying rollers 231 spaced apart along the conveying direction of the article. Specifically, the second conveying roller 231 includes a second conveying roller body 232 and a second conveying sprocket 233 disposed at the end of the second conveying roller body opposite to the first conveying sprocket 222 on the same side. The other end of the second conveying roller body 232 is supported on the opposite first support plate 212.

[0030] The transition roller assembly includes a plurality of transition rollers 24 spaced apart between two second support plates 213, wherein the two ends of the transition rollers 24 are rotatably supported between the relative second support plates 213.

[0031] The drive assembly 25 includes a drive motor 251 mounted on the conveyor frame 21, a rotating sprocket 252 mounted on the output shaft of the drive motor 251, a first conveying chain mounted between the rotating sprocket 252 and a first conveying sprocket 222 and a plurality of second conveying sprockets 233 on the same side, and a second conveying chain mounted opposite to the first conveying chain between the first conveying sprocket and a plurality of second conveying sprockets on the other side.

[0032] The lifting mechanism 3 includes two first upper sprockets 31 disposed opposite to each other on the upper end of the lifting frame 1, a synchronous shaft 32 connected between the two first upper sprockets 31, a lifting motor 33 disposed on the lifting frame 1 and connected to and driving one of the first upper sprockets 31 to rotate, two second upper sprockets 34 disposed on the upper end of the lifting frame 1 opposite to the two first upper sprockets 31, two first lower sprockets 35 disposed opposite to each other on the lower end of the lifting frame 1, two transmission chains disposed between the first upper sprocket 31 and the second upper sprocket 34 and the first lower sprocket 35 on the same side, and two transition sprockets 36 disposed opposite to each other on the upper end of the lifting frame 1. The first lower sprocket 35 is located between the first upper sprocket 31 and the second upper sprocket 34 on the same side, and the transition sprockets 36 are located between the first upper sprocket 31 and the second upper sprocket 34 on the same side.

[0033] The connector 26, connected to the opposite transmission chain, includes two connecting frames 261 spaced apart on one side of the conveyor frame 21 and two connector heads 262 respectively disposed on the two connecting frames 261 and connected to the transmission chain on the same side. Each connector head 262 has a connecting groove 263 formed at its upper end for connecting to the transmission chain. The connection between the spaced-apart connector heads 262 and the transmission chain on the same side ensures the stability of the connection between the conveyor frame 21 and the transmission chain on the same side, thereby improving the stability of the conveyor frame 21 during lifting within the lifting frame 1.

[0034] The guiding mechanism 4 includes a guide plate 41 mounted on the conveyor frame 21, a first guide wheel 42 vertically mounted on the guide plate 41, and two second guide wheels 43 horizontally mounted on the guide plate 41 on both sides of the first guide wheel 42. The axis of the first guide wheel 42 is perpendicular to the axis of the second guide wheel 43. Two limiting plates 11 are spaced apart on the opposite surfaces of the lifting frame 1 and the first guide wheel 42. A guide groove 12 that cooperates with the first guide wheel 42 is formed between the two limiting plates 11. The two second guide wheels 43 abut against the outer sides of the two limiting plates 11 respectively. When the conveyor frame 21 is lifted, the first guide wheel 42 can be moved in the guide groove 12, so that the transmission chain can run along a predetermined path, guiding the lifting direction of the conveyor frame 21 and ensuring the stability of the conveyor frame 21 during the lifting process.

[0035] This application defines the structure of the lifting mechanism 3 and uses a transmission chain and sprockets to achieve the vertical movement of the conveying mechanism 2, ensuring that the conveying mechanism 2 is lifted into place, improving the overload capacity and transportation range of the lifting and conveying device, and effectively ensuring the stability of the product during the lifting process. Specifically, a first upper sprocket 31 and a second upper sprocket 34 are set at the upper end of the lifting frame 1, and a first lower sprocket 35 is set at the lower end of the lifting frame 1. The arrangement of the first upper sprocket 31, the second upper sprocket 34, and the first lower sprocket 35 is defined so that the three sprockets are triangularly distributed, further ensuring the stability of the conveying mechanism 2 during the lifting process. In addition, the first conveying roller 22 and the two second conveying roller assemblies 23 in the conveying mechanism 2 are also driven by a chain and sprockets, so that the items can enter the conveying frame 21 smoothly.

[0036] The above description is merely a preferred embodiment of the present utility model, and therefore cannot be construed as limiting the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the patent application and the contents of the specification of the present utility model shall still fall within the scope of the patent of the present utility model.

Claims

1. A chain-type lifting and conveying device, characterized in that: The device includes a lifting frame, a conveying mechanism movable up and down within the lifting frame, and a lifting mechanism connected to and driving the conveying mechanism to move up and down on the lifting frame. The lifting mechanism includes two first upper sprockets opposite each other at the upper end of the lifting frame, a synchronous shaft connected between the two first upper sprockets, a lifting motor connected to and driving one of the first upper sprockets to rotate on the lifting frame, two second upper sprockets opposite each other at the upper end of the lifting frame, two first lower sprockets opposite each other at the lower end of the lifting frame, and two transmission chains respectively disposed between the first upper sprocket and the second upper sprocket and the first lower sprocket on the same side. The first lower sprocket is located between the first upper sprocket and the second upper sprocket on the same side. Connecting members connected to the opposing transmission chains are formed on both sides of the conveying mechanism.

2. The chain-type lifting and conveying device according to claim 1, characterized in that: The conveying mechanism includes a conveying frame with its two ends connected to opposing drive chains, a first conveying roller disposed at the rear end of the conveying frame, two second conveying roller assemblies disposed opposite to the front end of the first conveying roller, a transition roller assembly disposed on the conveying frame between the two second conveying roller assemblies, and a drive assembly disposed on the conveying frame to drive the first conveying roller and the two second conveying roller assemblies to work. The extension length of the transition roller assembly is less than the length of the second conveying roller assembly, so that its front end forms a transfer area for transferring items with the front end of the second conveying roller assembly.

3. The chain-type lifting and conveying device according to claim 2, characterized in that: The second conveying roller assembly includes a plurality of second conveying rollers spaced apart along the article conveying direction. The first conveying roller includes a first conveying roller body and two first conveying sprockets disposed opposite to each other at both ends of the first conveying roller body. The second conveying roller includes a second conveying roller body and a second conveying sprocket disposed at the end of the second conveying roller body opposite to the first conveying sprocket on the same side.

4. A chain-type lifting and conveying device according to claim 2, characterized in that: The drive assembly includes a drive motor mounted on the conveyor frame, a rotating sprocket mounted on the output shaft of the drive motor, a first conveyor chain mounted between the rotating sprocket and a first conveyor sprocket and a plurality of second conveyor sprockets on the same side, and a second conveyor chain mounted opposite to the first conveyor chain between the first conveyor sprocket and a plurality of second conveyor sprockets on the other side.

5. A chain-type lifting and conveying device according to claim 2, characterized in that: The conveyor frame includes a U-shaped conveyor frame body, two first support plates spaced apart in the conveyor frame body, and two second support plates spaced apart between the two first support plates. Two second conveying roller assemblies are respectively disposed between the two first support plates and the opposite conveyor frame body, and the transition roller assembly is disposed between the two second support plates.

6. A chain-type lifting and conveying device according to claim 5, characterized in that: The conveyor frame also includes two blocking members respectively disposed between the two second support plates and the opposite first support plate. The blocking members include a transition plate disposed on the main body of the conveyor frame and a blocking block disposed on the transition plate.

7. A chain-type lifting and conveying device according to claim 1, characterized in that: The connector includes two connecting frames spaced apart on one side of the conveying mechanism and two connecting heads respectively disposed on the two connecting frames and connected to the transmission chain on the same side. The upper end of the connecting head is formed with a connecting groove for connecting to the transmission chain.

8. A chain-type lifting and conveying device according to claim 1, characterized in that: The lifting mechanism also includes two transition sprockets that are disposed opposite each other on the upper end of the lifting frame. The transition sprockets are located between the first upper sprocket and the second upper sprocket on the same side.

9. A chain-type lifting and conveying device according to claim 1, characterized in that: It also includes a first proximity sensor and a second proximity sensor that are spaced apart on the conveying mechanism along the direction of item transport.

10. A chain-type lifting and conveying device according to claim 1, characterized in that: It also includes two guide mechanisms respectively disposed on both sides of the conveying mechanism and between the lifting frame. The guide mechanism includes a guide plate disposed on the conveying mechanism, a first guide wheel disposed vertically on the guide plate, and two second guide wheels disposed horizontally on the guide plate on both sides of the first guide wheel. The axis of the first guide wheel is perpendicular to the axis of the second guide wheel. Two limiting plates are disposed at intervals on the opposite surface of the lifting frame and the first guide wheel. A guide groove that cooperates with the first guide wheel is formed between the two limiting plates. The two second guide wheels abut against the outer sides of the two limiting plates respectively.