High-precision automatic correction connection conveyor
By installing a lifting transmission mechanism and a limit correction device on the conveyor, the problem of stacker crane failure caused by inconsistent material positions was solved, achieving precise material positioning and attitude adjustment, and reducing the failure rate of the stacker crane.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-07
AI Technical Summary
Existing conveyors cannot achieve precise positioning and attitude adjustment of materials, resulting in inconsistent material positions during transfer and a high failure rate of stacker cranes.
A high-precision automatic straightening conveyor was designed, equipped with a lifting transmission mechanism, a Y-axis positioning detection device, and an X-axis limit correction block. By detecting and correcting the position and posture of the material in the X and Y directions, it ensures that the material is aligned with the telescopic forks and avoids positional deviation.
It achieves precise positioning and attitude correction of materials in the X and Y directions, ensuring that materials are aligned with the telescopic forks and reducing the failure rate of the stacker crane.
Smart Images

Figure CN224091071U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of logistics warehousing and transportation technology, and in particular relates to a high-precision automatic correction and connection conveyor for the transfer of heavy-duty palletized materials. After the material is transported to the designated location, it is connected to a rail-guided stacker crane (hereinafter referred to as "stacker"). Background Technology
[0002] Conveyors are essential material handling equipment in the logistics and warehousing field. They utilize the friction between materials and a chain, with sprockets driving the chain to move the materials. Chain conveyors are suitable for various production lines, automated warehouses, and other scenarios, meeting the material handling needs of different industries.
[0003] As shown in Figure 1, the main structure of a conventional conveyor includes a main body 3, a conveyor chain 5 rotating on the main body 3, a drive device 4 on the main body 3 providing driving force to the conveyor chain 5, and material 1 (the material being conveyed) on the conveyor chain 5. Guide devices 2 are located on both sides of the conveyor chain 5. The main function of the conveyor is to achieve horizontal material transport; it cannot achieve precise positioning of the transported material or adjustment of the material's orientation.
[0004] As shown in Figure 2, when the conveyor 8 connects with the stacker crane 7, material 1 is transferred to the connection position of the stacker crane 7 via the conveyor 8. The stacker crane 7 then uses its telescopic forks 9 to move material 1 from the connection position to the stacker crane itself, and finally stores material 1 in the automated storage and retrieval system 6. In the figure, the transport direction of material 1 is shown in reference numeral 91, the extension direction of the telescopic forks is shown in reference numeral 93, and the transport direction of the stacker crane 7 is shown in reference numeral 92.
[0005] As shown in Figure 3, since material 1 and conveyor chain 5 are relatively stationary, in order to ensure the stability of cargo transportation and minimize friction between the cargo and the guiding device, a certain gap d is usually reserved between the material and the conveyor guiding device in the extension direction of the telescopic fork in the Y direction. This gap value is usually about 20mm on each side, which is the pallet size + 40mm. Therefore, due to the difference in the shape and position of the upstream material during the material transfer process, the material is not in the same position in the Y direction after entering the stacker crane connecting conveyor. This causes the stacker crane to move the cargo from the connecting position by telescopic fork, resulting in a positional offset between the cargo and the telescopic fork. Due to the positional offset of the material, the material's shape and size cannot pass the stacker crane's shape detection, resulting in a high failure rate of the stacker crane. Utility Model Content
[0006] The technical problem to be solved by this utility model is: In view of the above situation, how to provide a high-precision automatic correction connecting conveyor to avoid the stacker crane failure rate caused by the misalignment of the goods and the telescopic forks.
[0007] The specific technical solution of this utility model is as follows:
[0008] A high-precision automatic straightening and connecting conveyor includes a structural body, a conveyor chain rotatably mounted on the structural body, a drive device on the structural body providing driving force to the conveyor chain, material on the conveyor chain (the material being conveyed), guide devices on both sides of the conveyor chain, a lifting transmission mechanism on the high-precision automatic straightening and connecting conveyor, a lifting frame on the lifting part of the lifting transmission mechanism, and a Y-axis power unit on the lifting frame; the high-precision automatic straightening and connecting conveyor has two Y-axis positioning detection devices on the side near the stacker crane.
[0009] It includes a fixed frame that is fixed to the ground, and a lifting frame that is connected to the fixed frame through a lifting transmission mechanism.
[0010] The Y-axis positioning detection device includes a limit detection device frame, which is fixed on the lifting frame. The triggering device inside the limit detection device frame is similar to a mechanical pressure switch. When its contacts are under pressure, it can transmit a signal to the PLC. The contacts of the triggering device extend outside the limit detection device frame, and a protective plate is installed on the outside of the limit detection device frame.
[0011] A set of rollers is installed between the Y-axis power unit and the Y-axis positioning detection device, and the rollers are rotatably connected to the lifting frame.
[0012] It includes an X-direction limiting and correcting block.
[0013] Compared with the prior art, the technical effect of this utility model is that it is equipped with two Y-direction positioning detection devices and a Y-direction power unit, which can make the material position in the Y direction very standard, and there is no offset in the relative position of the goods and the telescopic fork, keeping the telescopic fork perpendicular to the material, thus ensuring the accuracy of transfer. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of an existing technology conveyor.
[0015] Figure 2 This is a schematic diagram illustrating the connection between a stacker crane and a conveyor line in existing technology.
[0016] Figure 3 This is a schematic diagram of the existing technology of stacker crane docking stations for handling goods.
[0017] Figure 4 This is a schematic diagram of the present invention and a schematic diagram from direction A.
[0018] Figure 5 This is a schematic diagram of the present invention from direction B. Figure 1 This is a schematic diagram of the elevator frame at a low position. Figure 2This is a schematic diagram of the elevator frame at a high position.
[0019] Figure 6 This is an enlarged schematic diagram of the limit detection device. Detailed Implementation
[0020] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.
[0021] like Figure 4-5 A high-precision automatic correction and connection conveyor includes a structural body 3, a conveyor chain 5 rotatably mounted on the structural body 3, a drive device 4 mounted on the structural body 3, the drive device 4 providing driving force for the conveyor chain 5, material 1 (the material being conveyed) mounted on the conveyor chain 5, and guide devices 2 mounted on both sides of the conveyor chain 5.
[0022] The high-precision automatic correction and connection conveyor is equipped with a lifting transmission mechanism 14, the lifting part of the lifting transmission mechanism 14 is equipped with a lifting frame 13, and the lifting frame 13 is equipped with a Y-direction power unit 15.
[0023] The high-precision automatic correction conveyor is equipped with two Y-direction positioning detection devices 16 on the side near the stacker crane 7.
[0024] For robustness, the high-precision automatic correction connecting conveyor includes a fixed frame 12, which is fixed to the ground, and a lifting frame 13 is connected to the fixed frame 12 via a lifting transmission mechanism 14.
[0025] like Figure 6 To extend its service life, the Y-axis positioning detection device 16 includes a limit detection device frame 18, which is fixed on the lifting frame 13. The trigger device 19 inside the limit detection device frame 18 is similar to a mechanical pressure switch. When its contacts are under pressure, it can transmit a signal to the PLC. The contacts of the trigger device 19 extend outside the limit detection device frame 18, and a protective plate 20 is provided on the outside of the limit detection device frame 18.
[0026] To reduce friction, a set of rollers 17 is provided between the Y-direction power unit 15 and the Y-direction positioning detection device 16, and the rollers 17 are rotatably connected to the lifting frame 13.
[0027] To facilitate accurate positioning along the X-axis, the high-precision automatic correction conveyor includes an X-direction limit correction block 10.
[0028] Its working principle is as follows:
[0029] like Figure 1-6 The operation of the aforementioned high-precision automatic correction connecting conveyor includes the following steps:
[0030] S1. Cargo 1 is placed on conveyor chain 5 and moves to the left along X.
[0031] S2. When the cargo 1 runs to contact the X-direction limit correction block 10, the X-direction limit correction block 10 sends a signal to the control system, and the control system stops the drive device 4 from working after a certain delay.
[0032] In this step, the goods are corrected in the X direction by the mechanical installation accuracy of the X-direction limiting correction block 10, while ensuring that all goods are stopped at the X-direction limiting correction block 10, thus ensuring that the position of the goods in the X direction is unique.
[0033] S3. When the drive device 4 stops working, the goods are in the low position shown in Figure 5. The lifting transmission mechanism 14 drives the lifting frame 13 to rise.
[0034] S4. The lifting frame 13 gradually rises from the low position in the left figure of Figure 5 to the high position in the right figure, lifting the cargo 1. After the cargo 1 is lifted, it gradually separates from the conveyor chain 5 and presses on the Y-direction power unit 15.
[0035] S5. At this time, the lifting transmission mechanism 14 sends a signal to the control system, and the control system controls the Y-direction power unit 15 to drive the cargo 1 to run along the Y direction, and the cargo 1 gradually transitions to the roller 17.
[0036] In this step, roller 17 mainly reduces the friction of the goods during the Y-axis movement, making the operation more stable.
[0037] S6. As the cargo 1 moves, the contacts of the two triggering devices 19 are gradually pressed down by the protective plate 20. The triggering devices 19 are arranged at both ends. When the two contacts are pressed down at the same time, it means that the cargo has arrived in the Y direction. The triggering device 19 sends a signal to the control system, and the next step can be carried out - the telescopic fork 9 moves the cargo 1 from the docking position to the stacker crane.
[0038] Features of this application:
[0039] S1. The high-precision automatic correction and connection conveyor of the present invention can realize the position and attitude correction of the conveyed goods in the X and Y directions in the horizontal plane, while ensuring that the position of the goods is unique when they run to the connection position of the conveyor line.
[0040] S2. The high-precision automatic correction conveyor of the present invention ensures that the relative position of the goods and the telescopic forks is not offset, thus avoiding the problem of excessive stacker failure rate caused by the offset position of the goods and the telescopic forks.
[0041] S3. The technical problem to be solved by this utility model: In view of the background art, how to provide a high-precision automatic correction connecting conveyor, which is mainly used at the docking position with the stacker crane, can realize the position and posture correction of the goods in the X and Y directions in the horizontal plane, and at the same time ensure that the position of the goods is unique when the goods run to the docking position of the conveyor line, and ensure that the relative position of the goods and the telescopic forks of the stacker crane does not shift when the goods are transported, so as to avoid the problem of excessive failure rate of the stacker crane caused by the position shift of the goods and the telescopic forks.
[0042] For other details, please refer to the existing technology.
[0043] The above description is only a preferred embodiment of the present utility model. It should be noted that those skilled in the art can make several changes and improvements without departing from the overall concept of the present utility model, and these should also be considered within the protection scope of the present utility model.
Claims
1. A high-precision automatic straightening and connecting conveyor, comprising a structural body (3), a conveying chain (5) rotatably mounted on the structural body (3), a driving device (4) mounted on the structural body (3), the driving device (4) providing driving force for the conveying chain (5), material (1) being conveyed being mounted on the conveying chain (5), and guide devices (2) mounted on both sides of the conveying chain (5), characterized in that: The high-precision automatic correction conveyor is equipped with a lifting transmission mechanism (14), the lifting part of the lifting transmission mechanism (14) is equipped with a lifting frame (13), and the lifting frame (13) is equipped with a Y-direction power unit (15). The high-precision automatic correction conveyor is equipped with two Y-direction positioning detection devices (16) on the side near the stacker (7).
2. The high-precision automatic correction and connection conveyor as described in claim 1, characterized in that: It includes a fixed frame (12) which is fixed to the ground, and a lifting frame (13) which is connected to the fixed frame (12) through a lifting transmission mechanism (14).
3. The high-precision automatic correction and connection conveyor as described in claim 2, characterized in that: The Y-direction positioning detection device (16) includes a limit detection device frame (18), which is fixed on the lifting frame (13). The trigger device (19) inside the limit detection device frame (18) is similar to a mechanical pressure switch. When its contacts are subjected to pressure, it can transmit a signal to the PLC. The contacts of the trigger device (19) extend outside the limit detection device frame (18), and a protective plate (20) is provided on the outside of the limit detection device frame (18).
4. The high-precision automatic correction and connection conveyor as described in claim 1, characterized in that: A set of rollers (17) is provided between the Y-direction power unit (15) and the Y-direction positioning detection device (16), and the rollers (17) are rotatably connected to the lifting frame (13).
5. The high-precision automatic correction and connection conveyor as described in claim 1, characterized in that: It includes an X-direction limiting correction block (10).