Conveyor belt tensioning device of multi-station press

Abstract

The utility model relates to the technical field of machinery, and discloses a conveyor belt tensioning device of a multi-station press machine, which comprises a supporting seat, a servo motor, a bidirectional screw rod, a moving block, an adjusting frame, a tensioning roller and the like, the servo motor drives the bidirectional screw rod to drive the moving block to move horizontally, and the adjusting frame is connected with the moving block through a sliding rod. And the guide columns slide in the inclined guide grooves, so that the tensioning roller synchronously ascends and descends during horizontal movement, and dynamic adjustment of the tensioning degree of the conveying belt is achieved. When heavy objects are conveyed, the wrap angle between the conveying belt and the transmission roller can be increased by lifting the tensioning roller, and the friction force and the transmission stability are improved.

Description

Multi-station press conveyor belt tensioning device Technical Field

[0001] This utility model relates to the field of mechanical technology, specifically to a tensioning device for a conveyor belt of a multi-station press. Background Technology

[0002] In multi-station press equipment in the mechanical field, the conveyor belt is a key transmission component, and its tension directly affects the operational stability and transmission efficiency of the equipment. Existing technologies and traditional conveyor belt tensioning devices generally suffer from the following drawbacks:

[0003] Tension adjustment methods are limited: most use fixed structures or manual adjustment (such as bolts, springs, etc.), which cannot dynamically adjust the tension according to working conditions. Especially when conveying items of different weights, it is difficult to match the required transmission friction force in real time, which can easily lead to problems such as conveyor belt slippage and deviation.

[0004] Insufficient transmission reliability under heavy load conditions: When the conveyor belt needs to transport heavy items, traditional devices cannot increase the wrap angle between the conveyor belt and the drive roller by adjusting the height of the tension roller, resulting in insufficient friction between the drive roller and the conveyor belt, which poses a risk of transmission failure. Summary of the Invention

[0005] The purpose of this invention is to provide a belt tensioning device for a multi-station press to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-station press conveyor belt tensioning device, including a support base, a servo motor is fixedly installed on the outer wall of one end of the support base by a fixed frame, a bidirectional lead screw is fixed to the output end of the servo motor by a coupling, and two moving blocks are threadedly sleeved on the shaft wall inside the support base, and the two moving blocks are respectively set on the rod walls at both ends of the bidirectional lead screw;

[0007] An adjustment frame is provided above the movable block, and a slide rod is fixed at the bottom of the adjustment frame. The slide rod is slidably inserted into the top of the movable block. A tension roller is rotatably connected in the groove at the top of the adjustment frame. A guide post is fixed on the outer wall of the adjustment frame. A guide groove is symmetrically opened on the top side wall of the support base. The guide groove is inclined. The guide post is slidably inserted into the interior of the guide groove.

[0008] Preferably, the height difference between the two ends of the guide groove is less than the length of the slide rod.

[0009] Preferably, the servo motor is electrically connected to an external power supply via a PLC controller.

[0010] Preferably, each of the adjustment frames has two guide posts fixed on it, and the two guide posts are symmetrically arranged at both ends of the adjustment frame.

[0011] Compared with existing technologies, the advantages of this invention are as follows: A servo motor drives a bidirectional lead screw, which in turn moves the moving block and adjusting frame. Combined with the inclined guide groove and guide post, the tension roller rises and falls synchronously during horizontal movement, thereby changing the tension of the conveyor belt to meet different working conditions. When the conveyor belt needs to transport heavier items, the wrap angle between the conveyor belt and the drive roller can be increased by raising the tension roller, enhancing the friction between the drive roller and the conveyor belt, and improving transmission stability and reliability. Attached Figure Description

[0012] Figure 1 is a schematic diagram of the structure of this utility model;

[0013] Figure 2 is a schematic diagram of the internal structure of this utility model;

[0014] Figure 3 is a cross-sectional view of the movable block in this utility model;

[0015] Figure 4 is a schematic diagram of the present invention in use.

[0016] In the diagram: 1. Support base; 2. Bidirectional lead screw; 3. Moving block; 4. Adjusting frame; 5. Slide rod; 6. Tensioning roller; 7. Along the guide post; 8. Along the guide groove. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please refer to Figures 1-4. This utility model provides the following technical solution: a tensioning device for a conveyor belt of a multi-station press, including a support base 1. A servo motor is fixedly installed on the outer wall of one end of the support base 1 via a fixed frame. A bidirectional lead screw 2 is fixed to the output end of the servo motor via a coupling. Two moving blocks 3 are threadedly connected to the shaft wall inside the support base 1. The two moving blocks 3 are respectively set on the rod walls at both ends of the bidirectional lead screw 2. An adjusting frame 4 is set above the moving blocks 3. A sliding rod 5 is fixed to the bottom of the adjusting frame 4. The sliding rod 5 is slidably inserted into the top of the moving blocks 3. A tensioning roller 6 is rotatably connected in the groove at the top of the adjusting frame 4. A guide post 7 is fixed on the outer wall of the adjusting frame 4. A guide groove 8 is symmetrically opened on the top side wall of the support base 1. The guide groove 8 is inclined. The guide post 7 is slidably inserted into the interior of the guide groove 8. The height difference between the two ends of the guide groove 8 is less than the length of the sliding rod 5, which can effectively prevent the sliding rod 5 from separating from the moving blocks 3 when the guide post 7 moves to the end of the guide groove 8. The servo motor is electrically connected to an external power supply via a PLC controller. The TB6600 PLC controller effectively ensures that the device can start normally. Each adjustment frame 4 has two guide posts 7 fixed on it, and the two guide posts 7 are symmetrically arranged at both ends of the adjustment frame 4, which can effectively make the relationship between the guide posts 7 and the adjustment frame 4 more stable.

[0019] Specifically, when using this utility model, the tensioning device is set below the conveyor belt as shown in Figure 4. At this time, the outer wall of the bottom of the conveyor belt is in contact with the roller walls of the two tensioning rollers 6, and the tensioning rollers 6 can abut against the bottom of the conveyor belt to lift it up, so that the conveyor belt has an inverted concave structure.

[0020] When it is necessary to adjust the tension of the conveyor belt, the servo motor is started. The output end of the servo motor drives the bidirectional lead screw 2 to rotate. When the bidirectional lead screw 2 rotates, it can drive the two moving blocks 3 to move towards each other. When the moving blocks 3 move, they can drive the adjusting frame 4 to move synchronously through the slide rod 5. During the movement of the adjusting frame 4, it will move along the guide groove 8 along the guide post 7, so that the slide rod 5 will rise and fall on the moving blocks 3, and the height of the tension roller 6 will change. This will change the lifting height of the tension roller 6 on the lower surface of the conveyor belt, so as to achieve the effect of adjusting the tension of the conveyor belt.

[0021] When the conveyor belt needs to transport heavier items, it requires higher tension. During the process of adjusting the tension of the conveyor belt, the height of the tension roller 6 increases, which can increase the wrap angle between the conveyor belt and the drive roller, thereby improving the transmission effect between the drive roller and the drive belt.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A belt tensioning device for a multi-station press, characterized in that, The system includes a support base (1), on which a servo motor is fixedly mounted by a fixed frame on one end of the outer wall. The output end of the servo motor is fixed with a bidirectional lead screw (2) by a coupling. The bidirectional lead screw (2) is movably inserted into the shaft wall inside the support base (1) and threaded with two moving blocks (3). The two moving blocks (3) are respectively set on the rod walls at both ends of the bidirectional lead screw (2). An adjustment frame (4) is set above the moving blocks (3). A slide rod (5) is fixed at the bottom of the adjustment frame (4). The slide rod (5) is slidably inserted into the top of the moving blocks (3). A tension roller (6) is rotatably connected in the groove at the top of the adjustment frame (4). A guide post (7) is fixed on the outer wall of the adjustment frame (4). A guide groove (8) is symmetrically opened on the top side wall of the support base (1). The guide groove (8) is inclined. The guide post (7) is slidably inserted into the interior of the guide groove (8).

2. The multi-station press conveyor belt tensioning device according to claim 1, characterized in that: The height difference between the two ends of the guide groove (8) is less than the length of the slide rod (5).

3. The multi-station press conveyor belt tensioning device according to claim 1, characterized in that: The servo motor is electrically connected to an external power supply via a PLC controller.

4. The multi-station press conveyor belt tensioning device according to claim 1, characterized in that: Each of the adjustment frames (4) has two guide posts (7) fixed on it, and the two guide posts (7) are symmetrically arranged at both ends of the adjustment frame (4).

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