CN214651330U - Chain tensioning adjustable chain scraper conveyor - Google Patents

Abstract

The utility model relates to a chain tensioning adjustable drag chain conveyer, it includes the drive case be equipped with actuating mechanism in the drive case both ends are equipped with the conveying pipeline be equipped with the chain in the conveying pipeline be equipped with a plurality of link joints on the chain the conveying pipeline lower extreme is equipped with the feed inlet the drive bottom of the case portion is equipped with the discharge gate be equipped with a sprocket tensioning case on the conveying pipeline at least be equipped with sprocket tensioning incasement is equipped with sprocket tensioning mechanism the conveying pipeline bottom is equipped with the supporting leg. The utility model discloses well chain elasticity is adjustable, and whole operates steadily, is convenient for observe.

Description

Chain tensioning adjustable chain scraper conveyor

Technical Field

The utility model relates to a material conveying device, concretely relates to chain scraper conveyor.

Background

The chain plate type conveyor consists of a power device, a chain wheel, a chain plate and the like, provides traction power by utilizing the circular reciprocating motion of the chain, and the chain plate is used for material conveying and is the most important bulk material conveying and loading and unloading equipment.

However, the chain on the existing chain plate conveyor does not have the tensioning adjusting function, so that the chain plate conveyor is easy to loose or tighten when in use, the chain is easy to fall off when in over-conveying, the continuous production operation is influenced, the friction force between the chain and the pipeline wall is large when in over-tightening, the driving energy consumption is increased, the machine is easy to damage, and the service life of the device is low.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims at overcoming the not enough among the prior art, provide a chain elasticity is adjustable, ensures whole steady operation, the chain scraper conveyor of being convenient for observe.

The technical scheme is as follows: in order to solve the technical problem, the chain plate conveyor with adjustable chain tensioning comprises a driving box, a driving mechanism is arranged in the driving box, conveying pipes are arranged at two ends of the driving box, a chain is arranged in the conveying pipes, a plurality of chain plates are arranged on the chain, a feed inlet is arranged at the lower end of the conveying pipes, a discharge outlet is arranged at the bottom of the driving box, at least one chain wheel tensioning box is arranged on the conveying pipes, a chain wheel tensioning mechanism is arranged in the chain wheel tensioning box, supporting legs are arranged at the bottom of the conveying pipes, the driving mechanism comprises a motor arranged at the center of the front side of the driving box, a rotating shaft is bolted to an output shaft of the motor, one end of the rotating shaft penetrates through the inner cavity of the driving box and is fixedly connected with the back side of the inner cavity of the driving box through a bearing, and a driving chain wheel is bolted to the surface of the rotating shaft, the surface transmission of drive sprocket is connected with the chain, sprocket straining device includes the tension sprocket who is connected with the chain transmission, tension sprocket establishes in the U-shaped piece and they rotate and connect on one side, the fixed telescopic link that is equipped with in U-shaped piece top, telescopic link one end and supporting shoe fixed connection, the fixed surface that is located the telescopic link that is connected with tensioning spring between the top of U-shaped piece and the bottom of supporting shoe the supporting shoe both ends are all connected and are equipped with the connecting rod, the connecting rod links to each other with the regulating block, and two regulating blocks slide and establish in the spout of sprocket tensioning incasement wall spout one side fixedly connected with servo motor, servo motor's output passes through the two-way threaded rod of shaft coupling fixedly connected with, the regulating block sets up with two-way threaded rod spiro union.

Furthermore, an observation window is arranged on the material conveying pipe.

Further, the shape of the chain plate is circular.

Furthermore, the material conveying pipe is formed by connecting a plurality of material conveying short pipes.

Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is:

firstly, a sprocket tensioning box is arranged on a conveying pipe, a sprocket tensioning mechanism is arranged in the sprocket tensioning box, a bidirectional threaded rod is driven to rotate by clockwise or anticlockwise rotating of an output end of a servo motor, and then two adjusting blocks are driven to move towards a separated side or an opposite side, and further two connecting rods indirectly drive a supporting block to move upwards or downwards, so that the top end position of a tensioning spring is adjusted, the elastic force of the tensioning spring is adjusted, a U-shaped block is downwards extruded by the elastic force of the tensioning spring, and the U-shaped block moves downwards to drive a tensioning sprocket to move downwards, so that the tensioning degree of the chain is finely adjusted by the tensioning sprocket, the chain is prevented from being too loose or too tight during operation, the stability of the chain during operation is improved, and the stability of the device during conveying articles is improved;

secondly, through the arrangement of the observation window, the conditions of the chain and the chain plate of the material of the user can be observed in time, and the chain plate are prevented from being damaged but not known.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the driving box of the present invention;

fig. 3 is the internal structure schematic diagram of the middle chain wheel tensioning box of the utility model.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1, fig. 2 and fig. 3, the chain tensioning adjustable chain scraper conveyor of the present invention comprises a driving box 1, a driving mechanism is arranged in the driving box 1, conveying pipes 2 are arranged at two ends of the driving box 1, the conveying pipes 2 are formed by connecting a plurality of conveying short pipes, an observation window 22 is arranged on the conveying pipes 2, chains 3 are arranged in the conveying pipes 2, a plurality of chain plates 4 are arranged on the chains 3, the shape of the chain plates 4 is circular, a feeding port 5 is arranged at the lower end of the conveying pipes 2, a discharging port 6 is arranged at the bottom of the driving box 1, at least one chain wheel tensioning box 7 is arranged on the conveying pipes 2, a chain wheel tensioning mechanism is arranged in the chain wheel tensioning box 7, a supporting leg 8 is arranged at the bottom of the conveying pipes 2, the driving mechanism comprises a motor 9 arranged at the center of the front of the driving box 1, the output shaft of the motor 9 is bolted with a rotating shaft 10, one end of the rotating shaft 10 penetrates through the inner cavity of the driving box 1 and is fixedly connected with the back of the inner cavity of the driving box 1 through a bearing, the surface of the rotating shaft 10 is bolted with a driving sprocket 11, the surface of the driving sprocket 11 is in transmission connection with a chain 3, the sprocket tensioning mechanism comprises a tensioning sprocket 12 in transmission connection with the chain 3, one side of the tensioning sprocket 12 is arranged in a U-shaped block 13 and is in rotational connection with the U-shaped block, the top end of the U-shaped block 13 is fixedly provided with a telescopic rod 14, one end of the telescopic rod 14 is fixedly connected with a supporting block 15, a tensioning spring 16 is fixedly connected between the top of the U-shaped block 13 and the bottom of the supporting block 15 and positioned on the outer surface of the telescopic rod 14, two ends of the supporting block 15 are both connected with connecting rods 17, the connecting rods 17 are connected with adjusting blocks 18, and the two adjusting blocks 18 are slidably arranged in sliding grooves 19 on the inner wall of the sprocket tensioning box 7, spout 19 one side fixedly connected with servo motor 20, servo motor 20's output passes through shaft coupling fixedly connected with two-way threaded rod 21, regulating block 18 and the setting of two-way threaded rod 21 spiro union. The utility model arranges the chain wheel tensioning box on the material conveying pipe, arranges the chain wheel tensioning mechanism in the chain wheel tensioning box, drives the bidirectional threaded rod to rotate by clockwise or anticlockwise rotating the output end of the servo motor, thereby driving the two adjusting blocks to move towards the separated side or the opposite side, further indirectly driving the supporting block to move upwards or downwards through the two connecting rods, thereby adjusting the top end position of the tension spring, realizing the adjustment of the elasticity of the tension spring, the U-shaped block is pressed downwards under the action of the elasticity of the tension spring, the U-shaped block moves downwards to drive the tension chain wheel to move downwards, thereby finely adjusting the tension degree of the chain by the tension sprocket, avoiding the chain from being too loose or too tight during operation, the stability of the chain during operation is improved, so that the stability of the device during conveying of articles is improved; through setting up the observation window, the condition of the chain of convenient to use person's material and link joint is in time observed, avoids chain and link joint to take place to damage but unmanned understanding.

The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.

Claims (4)

1. The utility model provides a chain tensioning adjustable drag conveyor which characterized in that: the device comprises a driving box (1), wherein a driving mechanism is arranged in the driving box (1), conveying pipes (2) are arranged at two ends of the driving box (1), a chain (3) is arranged in the conveying pipes (2), a plurality of chain plates (4) are arranged on the chain (3), a feeding hole (5) is arranged at the lower end of the conveying pipes (2), a discharging hole (6) is arranged at the bottom of the driving box (1), at least one chain wheel tensioning box (7) is arranged on the conveying pipes (2), a chain wheel tensioning mechanism is arranged in the chain wheel tensioning box (7), supporting legs (8) are arranged at the bottom of the conveying pipes (2), the driving mechanism comprises a motor (9) arranged at the center of the front of the driving box (1), a rotating shaft (10) is bolted to an output shaft of the motor (9), one end of the rotating shaft (10) penetrates through the inner cavity of the driving box (1) and is fixedly connected with the back of the inner cavity of the driving box (1) through a bearing, the chain wheel tensioning mechanism comprises a tensioning chain wheel (12) in transmission connection with the chain (3), one side of the tensioning chain wheel (12) is arranged in a U-shaped block (13) and is in rotary connection with the U-shaped block, a telescopic rod (14) is fixedly arranged at the top end of the U-shaped block (13), one end of the telescopic rod (14) is fixedly connected with a supporting block (15), a tensioning spring (16) is fixedly connected between the top of the U-shaped block (13) and the bottom of the supporting block (15) and positioned on the outer surface of the telescopic rod (14), connecting rods (17) are connected to two ends of the supporting block (15), the connecting rods (17) are connected with adjusting blocks (18), and the two adjusting blocks (18) are arranged in sliding grooves (19) in the inner wall of the chain wheel tensioning box (7) in a sliding mode, spout (19) one side fixedly connected with servo motor (20), the output of servo motor (20) passes through two-way threaded rod of shaft coupling fixedly connected with (21), regulating block (18) and two-way threaded rod (21) spiro union setting.

2. The adjustable chain tension slat conveyor of claim 1, wherein: an observation window (22) is arranged on the material conveying pipe (2).

3. The adjustable chain tension slat conveyor of claim 1, wherein: the chain plate (4) is circular.

4. The adjustable chain tension slat conveyor of claim 1, wherein: the material conveying pipe (2) is formed by connecting a plurality of material conveying short pipes.

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