A tray conveyor servo motor tensioning mechanism

By using a cantilevered servo motor tensioning mechanism for the pallet conveyor, the problems of large footprint and difficult adjustment of built-in tensioning mechanisms are solved, enabling convenient tension adjustment in a compact space.

CN224929698UActive Publication Date: 2026-11-03NANJING HUADE STORAGE EQUIP MFG
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Patent Information

Application Number
CN202522313131.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-31
Publication Date
2026-11-03
Estimated Expiration
2035-10-31

AI Technical Summary

Technical Problem

Existing pallet chain conveyors use built-in tensioning mechanisms, which result in large component footprints, making them unsuitable for environments with limited space. Furthermore, the operating space is small and adjustment is difficult when adjusting the tension.

Method used

The pallet conveyor servo motor tensioning mechanism adopts a cantilevered installation. Through the combination of mounting plate and adjusting plate, the servo motor is cantilevered on the frame. The distance between the main drive wheel and the driven wheel is adjusted by adjusting bolts and nuts, thereby adjusting the tension of the transmission belt.

Benefits of technology

It simplifies tension adjustment without increasing the rack footprint, making it suitable for environments with limited space, and improves the convenience and stability of adjustment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224929698U_ABST
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Abstract

The utility model relates to a kind of tray conveyer servo motor tensioning mechanism, belong to tensioning equipment technical field, to solve the existing chain conveyor using built-in tensioning mechanism, there is component land space, not suitable for land space small use environment and adjustment operation space small, adjustment difficult problem of big problem.This application includes mounting plate, adjusting plate, main drive wheel, driven wheel and transmission belt;Mounting plate is fixedly installed in the rack of conveyor, adjusting bolt is fixedly installed on mounting plate;Adjusting plate is provided with adjusting hole, adjusting plate is set on adjusting bolt by adjusting hole, and is cantilevered in mounting plate;Adjusting bolt is threadedly connected with adjusting nut;Adjusting plate is fixedly installed with servo motor, and the power output end of servo motor is installed with main drive wheel, and driven wheel is rotatably installed in rack, and transmission belt is set on the outside of main drive wheel and driven wheel.This application's tensioning mechanism makes that conveyor structure is compact, applicable to land space small use environment, adjustment is convenient.
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Description

Technical Field

[0001] This utility model relates to a servo motor tensioning mechanism for a pallet conveyor, belonging to the technical field of tensioning equipment. Background Technology

[0002] Chain conveyors are industrial equipment that use chains as the core transmission element to transport materials. Types include double-speed chain conveyors, top-plate chain conveyors, and plastic-steel chain conveyors. This equipment uses special chains to achieve large-scale transportation of materials such as pallets and large turnover boxes, and is widely used in production lines in industries such as electronics, food, and logistics.

[0003] Existing pallet chain conveyors use a drive motor and a pulley assembly as the core transmission carrier. The drive motor's power end and the pulley assembly drive the transmission chain to rotate, forming a closed-loop power drive system for pallet transportation. In existing pallet chain conveyors, the motor and pulley assembly are installed inside the conveyor. The pulley assembly includes a motor drive wheel, a drive shaft, a shaft drive wheel, and a chain drive wheel. The drive motor's power end has a motor drive wheel, and the motor drive wheel and the drive shaft's shaft drive wheel are connected by a synchronous belt to transmit the motor's driving force to the transmission chain.

[0004] To ensure effective transmission of the driving force from the drive motor, the synchronous belt needs to maintain appropriate tension. In existing technologies, a motor tensioning mechanism is used to adjust the tension of the synchronous belt. A conventional tensioning mechanism includes a motor mounting bracket and adjusting bolts. The motor mounting plate is slidably mounted on the frame, and the tension of the synchronous belt is adjusted by sliding the motor mounting plate along the conveyor frame using the adjusting bolts. Since the drive motor and motor mounting plate are both installed inside the frame, and the motor mounting plate needs to slide along the frame, the frame needs to provide space for sliding adjustment. This results in a large space occupied by the drive motor and tensioning mechanism, increasing the overall size of the chain conveyor and making it unsuitable for environments with limited space. Furthermore, the built-in tensioning mechanism requires limited operating space and is difficult to adjust when adjusting tension. Therefore, a servo motor tensioning mechanism for pallet conveyors is needed to solve the problems of large component footprint, unsuitability for space-constrained environments, and limited operating space and difficulty in adjusting tension in existing chain conveyors using built-in tensioning mechanisms. Utility Model Content

[0005] The purpose of this invention is to provide a servo motor tensioning mechanism for a pallet conveyor to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a servo motor tensioning mechanism for a pallet conveyor, comprising a mounting plate, an adjusting plate, a main drive wheel, a driven wheel, and a transmission belt; the mounting plate is fixedly mounted on the frame of the conveyor, and an adjusting bolt is fixedly mounted on the mounting plate; the adjusting plate has adjusting holes at positions corresponding to the adjusting bolts, and the adjusting plate is sleeved on the adjusting bolts through the adjusting holes, thus being cantilevered on the mounting plate; an adjusting nut is threaded onto the adjusting bolt to adjust the position of the adjusting plate on the adjusting bolt; a servo motor is fixedly mounted on the adjusting plate, the power output end of the servo motor is equipped with a main drive wheel, the driven wheel is rotatably mounted on the frame, and the transmission belt is sleeved on the outside of the main drive wheel and the driven wheel.

[0007] Specifically, a drive shaft is rotatably mounted on the frame of the conveyor, a driven wheel is fixedly sleeved on the drive shaft, and an output wheel is fixedly sleeved on the drive shaft.

[0008] Specifically, both the main drive wheel and the driven wheel are sprockets, and the transmission belt is a transmission chain.

[0009] Specifically, the mounting plate is fixedly installed on the frame near the driven wheel, one side of the adjustment plate is fixedly installed on the mounting plate, and the other side of the plate away from the mounting plate is fixedly installed with a servo motor.

[0010] Specifically, the adjustment plate includes a fixed plate and an adjustment frame; the fixed plate is fixedly installed on the mounting plate by mounting bolts, and the adjustment frame is fixedly installed on the plate body of the fixed plate facing the mounting plate; the servo motor is fixedly installed on the plate body on the other side away from the adjustment frame.

[0011] Specifically, the mounting plate has an adjustment groove corresponding to the adjustment bracket, and an adjustment bolt mounting bracket is fixedly installed on the mounting plate adjacent to the adjustment groove. The adjustment bolt mounting bracket has mounting holes, through which the adjustment bolts pass, and the adjustment bolts on both sides of the adjustment bolt mounting bracket are threaded with fixing nuts. The adjustment bracket passes through the adjustment groove and extends to the side of the adjustment bolt mounting bracket, and the adjustment bracket has adjustment holes corresponding to the mounting holes. The adjustment bolts pass through the adjustment holes, and the adjustment bolts on both sides of the adjustment bracket are threaded with adjustment nuts.

[0012] Specifically, the fixing plate is an L-shaped plate structure. The adjustment frame is fixedly installed on the outer plate of one side of the L-shaped plate structure, and the servo motor is fixedly installed on the inner plate of the other side. The power end of the servo motor passes through the fixing plate and extends to the outer side of the plate. Reinforcing plates are connected between the two side plates of the L-shaped plate of the fixing plate.

[0013] Specifically, the number of adjusting bolts should be at least two.

[0014] Compared with the prior art, the beneficial effects of this utility model are: 1. The servo motor tensioning mechanism of this pallet conveyor uses a mounting plate as the mounting carrier to install itself on the conveyor frame. Adjusting bolts are installed on the mounting plate, and the adjusting plate is cantilevered and mounted to the mounting plate. This allows the servo motor to be cantilevered on the mounting plate and mounted on the conveyor frame. Adjusting nuts are threaded onto the adjusting bolts to adjust the position of the servo motor, thereby adjusting the distance between the main drive wheel on the power end of the servo motor and the driven wheel rotatably mounted on the frame, i.e., adjusting the tension of the transmission belt sleeved on the outside of the main drive wheel and the driven wheel. The servo motor tensioning mechanism of this pallet conveyor uses a cantilevered mounting of the adjusting plate on the frame to save installation space on the frame. It eliminates the need for pre-reserved sliding adjustment space on the frame, resulting in a compact overall structure for the conveyor, suitable for environments with limited space.

[0015] 2. Based on the foregoing, the adjustment plate of this application includes a fixed plate and an adjustment frame; the fixed plate is fixedly installed on the mounting plate by mounting bolts, and the adjustment frame is fixedly installed on the side of the fixed plate facing the mounting plate; the servo motor is fixedly installed on the other side of the plate away from the adjustment frame. This arrangement ensures that the fixed plate is installed on the mounting plate, the adjustment frame is installed on the side of the plate facing the mounting plate, and the servo motor is installed on the other side of the plate, thus keeping the servo motor away from the mounting plate and not occupying the mounting space of the frame. Furthermore, by installing the servo motor away from the mounting plate, a larger adjustment range is provided during adjustment, facilitating operation and enabling rapid adjustment.

[0016] 3. Based on the foregoing, the mounting plate of this application has an adjustment groove corresponding to the adjustment bracket, and an adjustment bolt mounting bracket is fixedly installed on the mounting plate adjacent to the adjustment groove. The adjustment bolt is fixedly installed on the adjustment bolt mounting bracket by a fixing nut. The adjustment bracket passes through the adjustment groove and extends to the side of the adjustment bolt mounting bracket, and an adjustment hole is opened on the adjustment bracket at a position corresponding to the mounting hole. The adjustment bolt passes through the adjustment hole, and an adjustment nut is threaded onto the adjustment bolt located on both sides of the adjustment bracket. This allows the adjustment plate to be slidably installed on the adjustment bolt via the adjustment bracket. During the sliding process, the adjustment bracket is located in the adjustment groove of the mounting plate, and the number of adjustment bolts is at least two to ensure the sliding stability of the adjustment bracket during adjustment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the pallet conveyor servo motor tensioning mechanism installed on the chain conveyor in this embodiment; Figure 2 This is a top view of the pallet conveyor servo motor tensioning mechanism installed on the chain conveyor in this embodiment; Figure 3 This is a schematic diagram of the servo motor tensioning mechanism of the pallet conveyor in this embodiment; Figure 4 This is a schematic diagram showing the installation of the servo motor and adjusting plate of the servo motor tensioning mechanism of the pallet conveyor in this embodiment; Figure 5 This is a schematic diagram of the adjusting plate of the servo motor tensioning mechanism of the pallet conveyor in this embodiment.

[0018] In the diagram: 1. Mounting plate; 2. Adjusting plate; 3. Main drive wheel; 4. Driven wheel; 5. Transmission belt; 6. Transmission shaft; 7. Adjusting bolt; 8. Servo motor; 9. Adjusting nut; 10. Mounting bolt; 11. Adjusting bolt mounting bracket; 12. Fixing nut; 20. Fixing plate; 21. Adjusting bracket; 22. Reinforcing plate. Detailed Implementation

[0019] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0020] Please see Figures 1-5 This embodiment discloses a servo motor tensioning mechanism for a pallet conveyor, including a mounting plate 1, an adjusting plate 2, a main drive wheel 3, a driven wheel 4, and a transmission belt 5. A transmission shaft 6 is rotatably mounted on the bottom of the conveyor A frame in this embodiment. The driven wheel 4 is fixedly sleeved on the transmission shaft, and an output wheel is fixedly sleeved on the transmission shaft. The mounting plate is fixedly mounted on the frame near the driven wheel side. An adjusting bolt 7 is fixedly mounted on the mounting plate. An adjusting hole is provided on the plate body corresponding to the adjusting bolt. One side of the adjusting plate is sleeved on the adjusting bolt through the adjusting hole, and is cantilevered on the mounting plate. A servo motor 8 is fixedly mounted on the other side of the plate body away from the mounting plate. An adjusting nut 9 is threaded onto the adjusting bolt to adjust the position of the adjusting plate on the adjusting bolt. The main drive wheel is mounted on the power output end of the servo motor, and the transmission belt is sleeved on the outside of the main drive wheel and the driven wheel.

[0021] In this embodiment, both the main drive wheel 3 and the driven wheel 4 are sprockets, and the transmission belt 5 is a transmission chain.

[0022] Furthermore, the adjusting plate 2 in this embodiment includes a fixed plate 20 and an adjusting bracket 21; the fixed plate is fixedly installed on the mounting plate by mounting bolts 10, and the adjusting bracket is fixedly installed on the plate body facing the mounting plate of the fixed plate; the servo motor is fixedly installed on the plate body on the other side away from the adjusting bracket. In this embodiment, the mounting plate has an adjusting groove corresponding to the adjusting bracket, and an adjusting bolt mounting bracket 11 is fixedly installed on the mounting plate adjacent to the adjusting groove. The adjusting bolt mounting bracket has mounting holes, through which the adjusting bolts pass, and the adjusting bolts on both sides of the adjusting bolt mounting bracket are threaded with fixing nuts 12; the adjusting bracket passes through the adjusting groove and extends to the side of the adjusting bolt mounting bracket, and the adjusting bracket has adjusting holes corresponding to the mounting holes; the adjusting bolts pass through the adjusting holes, and the adjusting bolts on both sides of the adjusting bracket are threaded with adjusting nuts 9. Additionally, this embodiment has two adjusting bolts.

[0023] To ensure the installation stability of the servo motor and the sliding stability and ease of adjustment during the adjustment process, the fixing plate 20 in this embodiment is an L-shaped plate structure. The adjustment bracket is fixedly installed on the outer plate of one side of the L-shaped plate structure, and the servo motor is fixedly installed on the inner plate of the other side. The power end of the servo motor passes through the fixing plate and extends to the outer side of the plate. Reinforcing plates 22 are respectively connected between the two side plates of the L-shaped plate of the fixing plate.

[0024] Working Principle: Before use, the servo motor tensioning mechanism of the pallet conveyor in this embodiment is installed at a suitable location based on the specifications and installation position of the conveyor drive shaft. Next, the mounting plate is fixed to the frame on the driven wheel side using mounting bolts. Then, the servo motor is fixed to the mounting plate. The adjusting bracket is then aligned with the adjusting bolt mounting bracket via the adjusting groove on the mounting plate. Next, the adjusting bolts are installed. Since the drive chain has not yet been installed, only the nuts on the adjusting bolts and adjusting bolt mounting brackets need to be tightened. Finally, the drive chain is fitted onto the outside of the main drive wheel and the driven wheel, and the adjusting nuts on the adjusting bolts are adjusted to adjust the tension of the drive chain. It is important to note that during adjustment, the mounting plate is fixed to the mounting plate using mounting bolts. The mounting bolts need to be loosened before adjusting the tension. After adjustment, the mounting bolts and adjusting nuts are tightened again.

[0025] The embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above embodiments. For those skilled in the art, after learning the contents of the present invention, several equivalent changes and substitutions can be made without departing from the principle of the present invention. These equivalent changes and substitutions should also be considered to fall within the protection scope of the present invention.

Claims

1. A servo motor tensioning mechanism for a pallet conveyor, comprising a mounting plate, an adjusting plate, a main drive wheel, a driven wheel, and a transmission belt; characterized in that: The mounting plate is fixedly installed on the frame of the conveyor, and an adjusting bolt is fixedly installed on the mounting plate. The plate body of the adjusting plate is provided with adjusting holes at the corresponding positions of the adjusting bolts. The adjusting plate is sleeved on the adjusting bolts through the adjusting holes and is cantilevered on the mounting plate. An adjusting nut is threaded onto the adjusting bolt to adjust the position of the adjusting plate on the adjusting bolt. A servo motor is fixedly installed on the adjusting plate. The power output end of the servo motor is equipped with a main drive wheel. The driven wheel is rotatably mounted on the frame. The transmission belt is sleeved on the outside of the main drive wheel and the driven wheel.

2. The servo motor tensioning mechanism for a pallet conveyor according to claim 1, characterized in that: A drive shaft is rotatably mounted on the frame of the conveyor, the driven wheel is fixedly sleeved on the drive shaft, and an output wheel is fixedly sleeved on the drive shaft.

3. The servo motor tensioning mechanism for a pallet conveyor according to claim 1, characterized in that: Both the main drive wheel and the driven wheel are sprockets, and the transmission belt is a transmission chain.

4. The servo motor tensioning mechanism for a pallet conveyor according to claim 2, characterized in that: The mounting plate is fixedly installed on the frame near the driven wheel. One side of the adjusting plate is fixedly installed on the mounting plate, and a servo motor is fixedly installed on the other side of the plate away from the mounting plate.

5. The servo motor tensioning mechanism for a pallet conveyor according to claim 4, characterized in that: The adjustment plate includes a fixed plate and an adjustment frame; the fixed plate is fixedly installed on the mounting plate by mounting bolts, and the adjustment frame is fixedly installed on the plate body of the fixed plate facing the mounting plate; the servo motor is fixedly installed on the plate body on the other side away from the adjustment frame.

6. The servo motor tensioning mechanism for a pallet conveyor according to claim 5, characterized in that: The mounting plate has an adjustment groove corresponding to the adjustment bracket, and an adjustment bolt mounting bracket is fixedly installed on the mounting plate adjacent to the adjustment groove. The adjustment bolt mounting bracket has a mounting hole, through which the adjustment bolt passes. The adjustment bolts on both sides of the adjustment bolt mounting bracket are threaded with fixing nuts. The adjustment bracket passes through the adjustment groove and extends to the side of the adjustment bolt mounting bracket. The adjustment bracket has an adjustment hole corresponding to the mounting hole. The adjustment bolt passes through the adjustment hole, and the adjustment bolts on both sides of the adjustment bracket are threaded with adjustment nuts.

7. The servo motor tensioning mechanism for a pallet conveyor according to claim 5, characterized in that: The fixing plate is an L-shaped plate structure. The adjustment frame is fixedly installed on the outer plate of one side of the L-shaped plate structure, and a servo motor is fixedly installed on the inner plate of the other side. The power end of the servo motor passes through the fixing plate and extends to the outer side of the plate. Reinforcing plates are connected between the two side plates of the L-shaped plate of the fixing plate.

8. The servo motor tensioning mechanism for a pallet conveyor according to claim 1, characterized in that: The number of adjusting bolts is at least two.