Tensioning mechanism of chain plate conveying line

Abstract

According to the technical scheme, the tensioning mechanism of the chain plate conveying line is characterized by comprising a conveying frame, a chain plate conveying line body is arranged in the conveying frame, a driving roller is arranged in the chain plate conveying line body, and a driven roller is arranged in the chain plate conveying line body; according to the chain plate conveying line, the tensioning roller is arranged, when tensioning adjustment needs to be conducted, a worker can start the air cylinder to drive the lifting plate to move up and down, and therefore the tensioning roller is driven to abut against or loosen a chain plate at the bottom, the tensioning adjusting effect is achieved, and the worker can conveniently adjust the tensioning degree of the chain plate of the chain plate conveying line body; when the tensioning force of the chain plate conveying line body is adjusted, chain plates of the chain plate conveying line body make contact with the buffering rollers of the buffering frame, and during tensioning adjustment, the tensioning degree is buffered through the damping rods, and the situation that the adjusting degree is high, and the connecting positions of the chain plates are damaged is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing and conveying, in particular to a tensioning mechanism of a chain plate conveying line. Background Art

[0002] Chain conveyor: also called chain conveyor, chain line. It is a kind of conveying mechanical equipment that uses a reciprocating chain as traction power and a metal plate as a conveying carrier. There are two types of chain conveyors on the domestic market. One is a conveyor made of a conveying chain composed of a chain, a support shaft and a metal plate; the other is a chain conveyor made of a metal plate conveyor belt composed of a chain with a bent plate and a metal plate.

[0003] The current chain conveyor line cannot adjust the tension according to the transportation needs, which affects the transportation effect. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a tensioning mechanism for a chain plate conveyor line, which solves the problem that the current chain plate conveyor line cannot adjust the tensioning degree according to the conveying needs, thereby affecting the transportation effect.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A tensioning mechanism for a chain conveyor line comprises: a conveying frame, a chain conveyor line body is arranged inside the conveying frame, a driving roller is arranged inside the chain conveyor line body, and a driven roller is arranged inside the chain conveyor line body; a tensioning assembly, the tensioning assembly is arranged on one side inside the conveying frame and is used for adjusting the tension of the chain.

[0007] By adopting the above technical solution and setting a tensioning component, when the chain conveyor line body is conveying the workpiece, the chain plate of the chain conveyor line body may become loose, resulting in instability during the conveying process, affecting the stability of the workpiece on the chain plate. The tensioning degree of the chain plate of the chain conveyor line body can be adjusted in time through the tensioning component, which is beneficial to ensure the stability of the transmission of the chain conveyor line body.

[0008] Preferably, the tensioning assembly includes: two vertical plates, the vertical plates are respectively fixedly mounted on both sides of the interior of the conveying frame, one side of the vertical plate is provided with a tensioning opening, one side of the tensioning opening is provided with a lifting plate, a tensioning roller is rotatably installed between the two lifting plates, a cylinder is fixedly mounted on the top surface of the vertical plate, the top surface of the vertical plate is provided with a through hole, and the telescopic shaft of the cylinder is fixedly connected to the lifting plate.

[0009] By adopting the above technical solution and setting a tensioning roller, the chain of the chain conveyor line body is pressed up and down by the tensioning roller. When tension adjustment is required, the staff can start the cylinder to drive the lifting plate to move up and down, thereby driving the tensioning roller to press or relax the bottom chain plate to achieve the tension adjustment effect, which is convenient for the staff to adjust the tension of the chain of the chain conveyor line body.

[0010] Preferably, guide grooves are provided on both sides of the tensioning opening, and guide blocks are fixedly installed on both sides of the lifting plate, and the guide blocks are slidably sleeved together with the guide grooves.

[0011] By adopting the above technical solution and setting the guide block, when the lifting plate is lifted up and down, the guide block slides in the guide groove to prevent the lifting plate from shaking and affecting the tension adjustment.

[0012] Preferably, two buffer racks are fixedly mounted on the inner top surface of the conveying rack, mounting racks are provided on the inner top and bottom surfaces of the buffer racks, buffer rollers are rotatably mounted inside the mounting racks, two damping rods are fixedly mounted on the inner top and bottom surfaces of the buffer racks, and the damping rods are fixedly connected to the mounting racks.

[0013] By adopting the above technical solution and setting a damping rod, when the tensioning force of the chain conveyor line body is adjusted, after the chain plates of the chain conveyor line body come into contact with the buffer rollers of the buffer frame, the damping rod is used to buffer the adjustment tension during tension adjustment to avoid damage to the chain plate connection caused by a high adjustment degree.

[0014] Preferably, a buffer spring is arranged outside the damping rod.

[0015] By adopting the above technical solution and arranging a buffer spring, the buffer effect can be effectively improved.

[0016] Preferably, a tension force measuring device is fixedly mounted on one side of the interior of the conveying rack, a buzzer is fixedly mounted on the top surface of the conveying rack, and the tension force measuring device is electrically connected to the buzzer.

[0017] By adopting the above technical solution and setting a tension force measuring device, the tension force of the chain conveyor line body is detected. When the tension of the chain conveyor line body is too large, a buzzer will be activated to remind the staff to make timely adjustments to prevent the chain conveyor line body from being in a tight state for a long time, which may easily lead to cracking.

[0018] In summary, the utility model mainly has the following beneficial effects:

[0019] By setting a tensioning roller, the chain of the chain conveyor line body is pressed up and down by the tensioning roller. When tension adjustment is required, the staff can start the cylinder to drive the lifting plate to move up and down, thereby driving the tensioning roller to press or relax the bottom chain plate to achieve the tension adjustment effect, which is convenient for the staff to adjust the tension of the chain of the chain conveyor line body.

[0020] By setting the damping rod, when the tensioning force of the chain conveyor line body is adjusted, after the chain plates of the chain conveyor line body come into contact with the buffer roller of the buffer frame, the damping rod is used to buffer the adjustment tension degree during tension adjustment to avoid damage to the chain plate connection caused by a high adjustment degree. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a schematic diagram of the vertical plate structure of the utility model;

[0023] Figure 3 It is a schematic diagram of the lifting plate split structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the buffer frame of the utility model.

[0025] Figure numerals: 1. conveying frame; 2. chain conveyor line body; 3. driving roller; 4. driven roller; 5. vertical plate; 6. tensioning port; 7. lifting plate; 8. tensioning roller; 9. cylinder; 10. through hole; 11. guide groove; 12. guide block; 13. buffer frame; 14. mounting frame; 15. buffer roller; 16. damping rod; 17. buffer spring; 18. tensioning force measuring device; 19. buzzer. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] refer to Figure 1 , Figure 2A tensioning mechanism of a chain conveyor line comprises: a conveying frame 1, a chain conveyor line body 2 is arranged inside the conveying frame 1, the chain conveyor line body 2 is formed by splicing a plurality of flexible chain plates through connecting pieces, a driving roller 3 is arranged inside the chain conveyor line body 2, the driving roller 3 is driven by a motor, and a driven roller 4 is arranged inside the chain conveyor line body 2; a tensioning assembly, the tensioning assembly is arranged on one side of the inner part of the conveying frame 1, and is used to adjust the tension of the chain plate. By setting the tensioning assembly, when the chain conveyor line body 2 is conveying the workpiece, the chain plate of the chain conveyor line body 2 may become loose, resulting in instability during the conveying process, affecting the stability of the workpiece on the chain plate, and the tensioning degree of the chain plate of the chain conveyor line body 2 is adjusted in time through the tensioning assembly, which is conducive to ensuring the stability of the conveying of the chain conveyor line body 2.

[0028] refer to Figure 2 , Figure 3 The tensioning assembly includes: two vertical plates 5, which are fixedly mounted on both sides of the interior of the conveying frame 1, a tensioning opening 6 is provided on one side of the vertical plate 5, a lifting plate 7 is provided on one side of the tensioning opening 6, a tensioning roller 8 is rotatably installed between the two lifting plates 7, a cylinder 9 is fixedly mounted on the top surface of the vertical plate 5, a through hole 10 is provided on the top surface of the vertical plate 5, and the telescopic shaft of the cylinder 9 is fixedly connected to the lifting plate 7. By setting the tensioning roller 8, the chain plate of the chain plate conveyor line body 2 is pressed up and down by the tensioning roller 8. When tension adjustment is required, the staff can start the cylinder 9. It drives the lifting plate 7 to move up and down, thereby driving the tensioning roller 8 to press or relax the chain plate at the bottom to achieve the tensioning effect, which is convenient for the staff to adjust the chain tension of the chain conveyor line body 2. Guide grooves 11 are opened on both sides of the tensioning mouth 6, and guide blocks 12 are fixedly installed on both sides of the lifting plate 7. The guide blocks 12 are slidably sleeved together with the guide grooves 11. By setting the guide blocks 12, when the lifting plate 7 is lifted up and down, the guide blocks 12 slide in the guide grooves 11 to prevent the lifting plate 7 from shaking and affecting the tensioning adjustment.

[0029] refer to Figure 1 , Figure 2 and Figure 4Two buffer frames 13 are fixedly installed on the inner top surface of the conveying frame 1, and mounting frames 14 are provided on the inner top and bottom surfaces of the buffer frames 13. Buffer rollers 15 are rotatably installed inside the mounting frames 14. Two damping rods 16 are fixedly installed on the inner top and bottom surfaces of the buffer frames 13, and the damping rods 16 are fixedly connected to the mounting frames 14. By setting the damping rods 16, when the tensioning force of the chain conveyor line body 2 is adjusted, the chain plates of the chain conveyor line body 2 are contacted by the buffer rollers 15 of the buffer frames 13. When the tension is adjusted, the damping rods 16 are used to buffer the adjustment tension to avoid damage to the chain plate connection due to a high adjustment degree. A buffer spring 17 is provided on the outside of the damping rod 16. By setting the buffer spring 17, the buffering effect is improved.

[0030] refer to Figure 1 A tension force measuring device 18 is fixedly installed on one side of the inner part of the conveying frame 1, and a buzzer 19 is fixedly installed on the top surface of the conveying frame 1. The tension force measuring device 18 is electrically connected to the buzzer 19. By setting the tension force measuring device 18, the tension force of the chain conveyor line body 2 is detected. When the tension of the chain conveyor line body 2 is too large, the buzzer 19 will be activated to remind the staff to make adjustments in time to prevent the chain conveyor line body 2 from being in a tight state for a long time, which is prone to cracking.

[0031] Working principle: Please refer to Figure 1-Figure 4 As shown, when in use, the chain plate conveyor line body 2 conveys the workpiece. During the conveying process, when the chain plate is too loose, the staff can start the cylinder 9 to drive the lifting plate 7 to move up and down, thereby driving the tensioning roller 8 to press or relax the bottom chain plate to achieve the effect of adjusting the tension. In the process of adjusting the tension, the damping rod 16 buffers the adjustment tension to avoid damage to the chain plate connection caused by a high adjustment degree. When the tension of the chain plate conveyor line body 2 is too large, the buzzer 19 will be started to remind the staff to make adjustments in time to prevent the chain plate conveyor line body 2 from being in a tight state for a long time, which is prone to cracking.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tensioning mechanism for a chain conveyor line, characterized in that: include: A conveying frame (1), wherein a chain plate conveying line body (2) is arranged inside the conveying frame (1), a driving roller (3) is arranged inside the chain plate conveying line body (2), and a driven roller (4) is arranged inside the chain plate conveying line body (2); A tensioning assembly is arranged on one side of the interior of the conveying frame (1) and is used for tensioning and adjusting the chain plate.

2. A tensioning mechanism for a chain conveyor line according to claim 1, characterized in that: The tensioning assembly comprises: Two vertical plates (5), the vertical plates (5) are respectively fixedly mounted on both sides of the interior of the conveying frame (1), one side of the vertical plate (5) is provided with a tensioning opening (6), one side of the interior of the tensioning opening (6) is provided with a lifting plate (7), a tensioning roller (8) is rotatably mounted between the two lifting plates (7), a cylinder (9) is fixedly mounted on the top surface of the vertical plate (5), a through hole (10) is opened on the top surface of the vertical plate (5), and the telescopic shaft of the cylinder (9) is fixedly connected to the lifting plate (7).

3. The tensioning mechanism of a chain conveyor line according to claim 2, characterized in that: Guide grooves (11) are provided on both sides of the tensioning opening (6), and guide blocks (12) are fixedly installed on both sides of the lifting plate (7), and the guide blocks (12) are slidably sleeved together with the guide grooves (11).

4. The tensioning mechanism of a chain conveyor line according to claim 2, characterized in that: Two buffer frames (13) are fixedly mounted on the inner top surface of the conveying frame (1), the inner top surface and the bottom surface of the buffer frame (13) are both provided with mounting frames (14), a buffer roller (15) is rotatably mounted inside the mounting frame (14), and two damping rods (16) are fixedly mounted on the inner top surface and the bottom surface of the buffer frame (13), and the damping rods (16) are fixedly connected to the mounting frame (14).

5. The tensioning mechanism of a chain conveyor line according to claim 4, characterized in that: A buffer spring (17) is arranged outside the damping rod (16).

6. The tensioning mechanism of a chain conveyor line according to claim 1, characterized in that: A tension force measuring device (18) is fixedly mounted on one side of the interior of the conveying rack (1), and a buzzer (19) is fixedly mounted on the top surface of the conveying rack (1), and the tension force measuring device (18) is electrically connected to the buzzer (19).

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