Tension adjuster for belt conveyor

Abstract

The utility model provides a tension regulator for a belt conveyor, and relates to the technical field of tension regulation of belt conveyors. Comprising a mounting plate, a first rolling shaft and a second rolling shaft, a piston piece is arranged in an oil storage barrel, a telescopic rod is arranged at the output end of an electric push rod, and an oil conveying pipeline is arranged in the bottom end of the oil storage barrel in a penetrating mode. According to the device, the oil storage barrel, the oil conveying pipeline and other components are arranged, the oil outlet port of the oil conveying pipeline located through the reinforcing part is located above the threaded rod, when the electric push rod operates, the telescopic rod can stretch to push the piston part to move downwards towards the inner wall of the bottom of the oil storage barrel, and under the condition that a valve in the oil conveying pipeline is opened, the piston part can move downwards; and the piston piece moves downwards to extrude lubricating oil in the oil storage barrel into the oil conveying pipeline, oil injection lubrication protection is conducted on the threaded connection position of the threaded rod and the support, the situations such as rusting of the threaded rod are avoided, the surface hardness of the threaded rod is effectively improved, and the service life of the threaded rod is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a regulator, concretely is the tension regulator for belt conveyor, belongs to the tension regulation technical field of belt conveyor. BACKGROUND

[0002] The belt conveyor is a kind of mechanical that transports material in continuous mode by friction drive, is widely used in household appliances, electronics, electrical appliances, machinery, tobacco, injection molding, post and telecommunication, printing, food and other industries, the assembly, detection, debugging, packaging and transportation of object, etc., belt conveyor is mainly composed of two end drums and the closed conveyor belt tightly wrapped on it, the drum that drives conveyor belt to rotate is called driving drum (transmission drum);Another drum is only used to change the direction of conveyor belt movement, and it is called redirection drum, the driving drum is driven by motor through speed reducer, and the conveyor belt is dragged by the friction force between driving drum and conveyor belt, the driving drum is generally installed at the discharge end to increase the traction force, which is beneficial to dragging, and the material is fed from the feeding end and falls on the rotating conveyor belt, and is conveyed to the discharge end by the friction of conveyor belt, and the tension regulator for belt conveyor is a device for adjusting the tension of conveyor belt, and its main function is to ensure that the conveyor belt maintains appropriate tension during operation, to prevent the conveyor belt from slipping, running off or being damaged due to excessive tension.

[0003] At present, the spiral tensioning device in the tension regulator may be prone to rusting during use, and the rusting may cause the surface of the screw rod and other components of the spiral tensioning device to be rough and the friction force to increase, so that the tension size cannot be accurately controlled when adjusting the tension of the conveyor belt, which may cause the tension of the conveyor belt to be too large or too small, affecting the normal operation of the belt conveyor, and the rusting may reduce the hardness of the surface of the components of the spiral tensioning device, and the wear will be aggravated during the operation of the equipment, shortening the service life of the components. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the utility model provides a tension regulator for belt conveyor to solve the above problems, and the specific technical scheme is as follows:

[0005] The tension regulator for belt conveyor comprises a mounting plate, a first roller shaft and a second roller shaft, the two ends of the second roller shaft are provided with connecting blocks, one side of the connecting block is provided with a mounting block, one side of the mounting block is provided with an oil storage cylinder, the inside of the oil storage cylinder is provided with a piston piece, the top end of the oil storage cylinder is provided with an electric push rod, the output end of the electric push rod is provided with a telescopic rod, and the telescopic rod is connected with the top end of the piston piece, an oil delivery pipeline is throughly arranged in the bottom end of the oil storage cylinder, and a valve is throughly arranged in the inside of the oil delivery pipeline.

[0006] Preferably, positioning holes are formed through the interiors of the two groups of mounting plates, and guide grooves are formed through the interiors of the two groups of mounting plates.

[0007] Preferably, the first roller is rotatably arranged between the two groups of mounting plates, the two ends of the second roller movably penetrate the interiors of the guide grooves, and the first roller and the second roller have a height difference.

[0008] Preferably, two groups of limiting rings are movably arranged on the outer side of the first roller, positioning bolts are arranged on the outer side of the limiting rings, and the positioning bolts are in contact with the first roller.

[0009] Preferably, a support is arranged at the bottom end of the connecting block, a mounting shell is arranged on one side of the mounting plate, a threaded rod is rotatably arranged in the interior of the mounting shell, the threaded rod penetrates the interior of the support in a threaded manner, a motor is arranged at one end of the mounting shell, and the output end of the motor is connected with one end of the threaded rod.

[0010] Preferably, an oil inlet is arranged through the interior of the oil storage cylinder, a reinforcing member is arranged on one side of the support, and the reinforcing member is located on the outer side of the oil conveying pipeline.

[0011] Preferably, a collecting shell is arranged in the interior of the mounting plate and located below the threaded rod, and a protection shell is arranged on one side of the mounting plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, the oil outlet port of the oil conveying pipeline positioned by the reinforcing member is located above the threaded rod, the extension of the telescopic rod can push the piston downward to the bottom inner wall of the oil storage cylinder when the electric push rod operates, the downward movement of the piston can extrude the lubricating oil in the interior of the oil storage cylinder to the oil conveying pipeline under the condition that the valve in the oil conveying pipeline is opened, the piston can be used for lubricating and protecting the threaded connection between the threaded rod and the support, the rusting of the threaded rod is avoided, the surface hardness of the threaded rod is effectively improved, and the service life of the threaded rod is increased.

[0014] 2. In the utility model, the limiting rings are positioned by the positioning bolts after the positions of the two groups of limiting rings on the outer side of the first roller are adjusted, the limiting rings can be used for limiting different widths of the conveying belt, the threaded rod in the interior of the mounting shell penetrates the interior of the support in a threaded manner, the support can be moved by the rotation of the threaded rod when the two motors are controlled to operate by the external control assembly, the shaft in the interior of the second roller can move in the interior of the guide groove, the distance between the second roller and the first roller is adjusted, and the tension of the conveying belt is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the installation shell structure schematic view of the utility model;

[0017] Figure 3 It is the structure schematic view of the first and second roller of the utility model;

[0018] Figure 4 It is the structure schematic view of the connecting pipe and support of the utility model;

[0019] Figure 5 It is the shearing structure schematic view of the oil storage cylinder of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS: 1, mounting plate; 2, positioning hole; 3, first roller; 4, guide groove; 5, second roller; 6, limit ring; 7, positioning bolt; 8, connecting block; 9, support; 10, installation shell; 11, threaded rod; 12, motor; 13, mounting block; 14, oil storage cylinder; 15, piston piece; 16, electric push rod; 17, telescopic rod; 18, oil inlet; 19, oil pipeline; 20, valve; 21, reinforcing member; 22, collection shell; 23, protective shell. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the drawings.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , tension adjuster for belt conveyor;

[0023] It is including mounting plate 1, first roller 3 and second roller 5, both ends of second roller 5 are provided with connecting block 8, one side of connecting block 8 is provided with mounting block 13, one side of mounting block 13 is provided with oil storage cylinder 14, the inside of oil storage cylinder 14 is provided with piston piece 15, the top of oil storage cylinder 14 is provided with electric push rod 16, the output end of electric push rod 16 is provided with telescopic rod 17, and telescopic rod 17 is connected with the top of piston piece 15, the inside of the bottom of oil storage cylinder 14 is provided with oil pipeline 19, the inside of oil pipeline 19 is provided with valve 20, the inside of oil storage cylinder 14 is provided with oil inlet 18, one side of support 9 is provided with reinforcing member 21, and reinforcing member 21 is located on the outside of oil pipeline 19, the inside of mounting plate 1 is provided with collection shell 22, and collection shell 22 is located below threaded rod 11, one side of mounting plate 1 is provided with protective shell 23.

[0024] The mounting block 13 is positioned on one side of the connecting block 8 by bolts, the positioning and installation of the oil storage cylinder 14 can be realized by the mounting block 13, the inside of the oil storage cylinder 14 can be added with lubricating oil by the oil injection port 18, the oil storage cylinder 14 is used for storing the lubricating oil in an appropriate amount, the reinforcing part 21 is a limiting rack body, the reinforcing part 21 is fixed on one end of the support 9 by bolts, the reinforcing part 21 is sleeved on the outside of the oil conveying pipeline 19, the reinforcing part 21 can position the oil outlet port of the oil conveying pipeline 19 above the threaded rod 11, so that the lubricating oil flowing out of the oil conveying pipeline 19 falls on the threaded rod 11, the piston 15 is located in the oil storage cylinder 14, and the bottom end of the telescopic rod 17 is connected with the top end of the piston 15, when the electric push rod 16 operates, the telescopic rod 17 is elongated, and the piston 15 is pushed to move downward to the bottom inner wall of the oil storage cylinder 14, the oil conveying pipeline 19 is communicated with the inside of the oil storage cylinder 14, under the condition that the valve 20 in the oil conveying pipeline 19 is opened, the downward movement of the piston 15 can extrude the lubricating oil in the oil storage cylinder 14 into the oil conveying pipeline 19, the threaded rod 11 and the support 9 are threadedly connected, the oil injection lubrication protection is realized, the rusting of the threaded rod 11 is avoided, the surface hardness of the threaded rod 11 is effectively improved, and the service life of the threaded rod 11 is increased, the collecting shell 22 is positioned on the mounting plate 1, and the collecting shell 22 is located below the threaded rod 11, the lubricating oil dripping on the surface of the threaded rod 11 can be collected by the collecting shell 22, the dripping lubricating oil is prevented from polluting the mounting plate 1, the threaded rod 11 is covered and protected by the protection shell 23, the broken slag of the belt conveyor during use is prevented from falling on the threaded rod 11, and the normal use of the threaded rod 11 is affected.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the tensioning adjuster for the belt conveyor;

[0026] The positioning holes 2 are formed in the interiors of the two groups of mounting plates 1, the guide grooves 4 are formed in the interiors of the two groups of mounting plates 1, the first roller shaft 3 is rotatably arranged between the two groups of mounting plates 1, the two ends of the second roller shaft 5 movably penetrate the interiors of the guide grooves 4, there is a height difference between the first roller shaft 3 and the second roller shaft 5, the two groups of limiting rings 6 are movably sleeved on the outside of the first roller shaft 3, the positioning bolts 7 are arranged on the outside of the limiting rings 6, and the positioning bolts 7 are in contact with the first roller shaft 3.

[0027] The mounting plate 1 is an L-shaped plate, two groups of mounting plates 1 can be positioned on the use position of the belt conveyor by penetrating the positioning hole 2 with external bolts, the first roller 3 and the second roller 5 are rotatably arranged on the two groups of mounting plates 1, the conveying belt used in the belt conveyor is wound on the first roller 3 and the second roller 5 in an S shape, the two groups of limiting rings 6 are movably sleeved on the first roller 3, the limiting rings 6 are positioned after adjustment of the use position of the two groups of limiting rings 6 on the outside of the first roller 3 by the positioning bolts 7, and the limiting rings 6 are used for limiting the conveying belt with different widths.

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , a tension adjuster for a belt conveyor;

[0029] The bottom end of the connecting block 8 is provided with a support 9, one side of the mounting plate 1 is provided with a mounting shell 10, the inside of the mounting shell 10 is rotatably provided with a threaded rod 11, the threaded rod 11 is threaded through the inside of the support 9, one end of the mounting shell 10 is provided with a motor 12, and the output end of the motor 12 is connected with one end of the threaded rod 11.

[0030] The connecting block 8 is used for rotatably connecting the second roller 5, the threaded rod 11 rotatably arranged in the mounting shell 10 is threaded through the inside of the support 9, when the two groups of motors 12 are controlled to operate by an external control assembly, the rotation of the threaded rod 11 can drive the support 9 to move, so that the shaft body in the second roller 5 moves in the guide groove 4, the distance between the second roller 5 and the first roller 3 is adjusted, and the tension adjustment of the conveying belt is realized.

[0031] The electrical equipment in the application is a common electrical equipment in the prior art, and the type or internal structure of the electrical equipment will not be described too much in the application, and the electrical equipment can also be replaced by other power sources.

[0032] The technical principle of the utility model is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be interpreted as limiting the protection scope of the utility model in any way. Based on the explanation here, those skilled in the art can think of other specific embodiments of the utility model without creative labor, and these embodiments will fall within the protection scope of the claims of the utility model.

Claims

1. A tension adjuster for a belt conveyor, comprising a mounting plate (1), a first roller (3) and a second roller (5), characterized in that: The both ends of the second roller shaft (5) are provided with connecting blocks (8), one side of the connecting block (8) is provided with a mounting block (13), one side of the mounting block (13) is provided with an oil storage cylinder (14), the inside of the oil storage cylinder (14) is provided with a piston piece (15), the top end of the oil storage cylinder (14) is provided with an electric push rod (16), the output end of the electric push rod (16) is provided with a telescopic rod (17), and the telescopic rod (17) is connected with the top end of the piston piece (15), the bottom end of the oil storage cylinder (14) is provided with an oil conveying pipeline (19) inside, and the oil conveying pipeline (19) is provided with a valve (20) inside.

2. The tension adjuster for a belt conveyor according to claim 1, characterized in that: The inside of the two groups of mounting plates (1) is provided with a positioning hole (2) and a guide groove (4).

3. The tension adjuster for a belt conveyor according to claim 2, characterized in that: The first roller shaft (3) is rotatably arranged between the two groups of mounting plates (1), the both ends of the second roller shaft (5) movably penetrate the inside of the guide groove (4), and there is a height difference between the first roller shaft (3) and the second roller shaft (5).

4. The tension adjuster for a belt conveyor according to claim 3, characterized in that: The outside of the first roller shaft (3) movably sheaths two groups of limiting rings (6), the outside of the limiting ring (6) is provided with a positioning bolt (7), and the positioning bolt (7) is in contact with the first roller shaft (3).

5. The tension adjuster for a belt conveyor according to claim 1, characterized by: The bottom end of the connecting block (8) is provided with a support (9), one side of the mounting plate (1) is provided with a mounting shell (10), the inside of the mounting shell (10) is rotatably provided with a threaded rod (11), and the threaded rod (11) is threaded through the inside of the support (9), one end of the mounting shell (10) is provided with a motor (12), and the output end of the motor (12) is connected with one end of the threaded rod (11).

6. The tension adjuster for a belt conveyor according to claim 5, characterized in that: The inside of the oil storage cylinder (14) is provided with an oil inlet (18), one side of the support (9) is provided with a reinforcing piece (21), and the reinforcing piece (21) is located outside the oil conveying pipeline (19).

7. The tension adjuster for a belt conveyor according to claim 1, characterized by: The inside of the mounting plate (1) is provided with a collecting shell (22), and the collecting shell (22) is located below the threaded rod (11), one side of the mounting plate (1) is provided with a protection shell (23).

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