Self-cleaning type spiral conveyor

Abstract

The utility model discloses a self-cleaning type spiral conveyer, and particularly relates to the field of spiral conveyors, which comprises a spiral conveying cylinder, the bottom of the spiral conveying cylinder is fixedly connected with a fixed base, the bottom of the fixed base is provided with a supporting base, the top of the supporting base is provided with an angle inclination adjusting mechanism, and the angle inclination adjusting mechanism is provided with a cleaning device. The top of the spiral conveying cylinder is fixedly connected with a communicating pipe, and a liquid outlet hole is formed in the position, corresponding to the communicating pipe, of the top of the spiral conveying cylinder. Firstly, high-pressure liquid is input into the communicating pipe through the liquid inlet pipe and sprayed out of the interior of the spiral conveying cylinder through the liquid outlet hole and the one-way valve to flush the interior of the spiral conveying cylinder, when flushing and cleaning are needed, automatic cleaning can be achieved, cleaning and using are convenient, the spiral shaft controls the spiral blade to drive the buffer cushion to rotate, and the cleaning effect is good. And the wall body of the inner cavity of the spiral conveying cylinder can be scraped through the buffer pad, so that the cleaning effect on the inner cavity of the spiral conveying cylinder is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screw conveyors, and more specifically, to a self-cleaning screw conveyor. Background Art

[0002] Screw conveyor is a machine that uses a motor to drive the screw to rotate and push materials to achieve the purpose of conveying. It is mainly used to convey sand, powder, additives, finished materials, etc. of various diameters. It can convey horizontally, inclined or vertically. It has the advantages of simple structure, small cross-sectional area, good sealing, convenient operation, easy maintenance, and convenient closed transportation.

[0003] The existing screw conveyor has a large friction resistance between the large-volume materials and the inner wall of the screw conveyor tube, which increases the burden on the conveying motor. In addition, the large-volume materials are easy to wear the spiral blades and the inner wall of the conveyor tube.

[0004] The Chinese patent application number CN202020028312.4 discloses a screw conveyor that is easy to clean. The upper and lower sides of the conveying cylinder of the screw conveyor are symmetrically provided with covers that can be opened and closed up and down. The covers are rotatably connected to the outer wall of the conveying cylinder through a hinge, and the covers extend from the entrance of the conveying cylinder to the exit of the conveying cylinder; a material pre-crushing device is vertically installed at the upper end of the entrance of the conveying cylinder; the material pre-crushing device includes a crushing cylinder; the screw conveyor has the characteristics of high conveying efficiency, long service life, smooth operation, etc.

[0005] Then, combined with the drawings in its specification, it can be seen that the screw conveyor is cleaned by opening the cover plate arranged on one side of the screw conveying barrel. It is necessary to manually open the cover plate and then clean it manually, which is inconvenient to clean. It cannot achieve the function of automatic cleaning, and it is inconvenient to adjust the conveying height of the screw conveyor, making it inconvenient to use. Utility Model Content

[0006] In order to overcome the above defects of the prior art, the utility model provides a self-cleaning screw conveyor to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-cleaning screw conveyor, comprising a screw conveying cylinder, the bottom of which is fixedly connected to a fixed base, the bottom of which is provided with a support base, the top of which is provided with an angle tilt adjustment mechanism, the top of which is fixedly connected to a connecting pipe, and a liquid outlet hole is provided at a position corresponding to the connecting pipe on the top of the screw conveying cylinder;

[0008] A one-way valve is arranged in the middle of the liquid outlet, a liquid inlet pipe is arranged on one side of the top of the connecting pipe, a spiral shaft is arranged in the middle of the spiral conveying cylinder, a spiral blade is fixedly sleeved in the middle of the spiral shaft, a buffer pad is fixedly connected to the outer surface of the spiral blade, and a connecting block is fixedly connected to one end of the spiral shaft;

[0009] A chassis is arranged on one side of the spiral conveying cylinder, a connecting plate is fixedly connected to one side of the chassis, a first motor is arranged in the middle of the chassis, a connecting disk is fixedly connected to the output end of the first motor, and a connecting groove is opened on one side of the connecting disk.

[0010] Preferably, a feed pipe is fixedly connected to a side of the top of the spiral conveying cylinder close to the connecting plate, and a discharge pipe is fixedly connected to a side of the bottom of the spiral conveying cylinder away from the connecting plate.

[0011] Preferably, movable wheels are symmetrically arranged around the bottom of the support base, and one side of the top of the support base is rotatably connected to one end of the bottom of the fixed base through a rotating connecting block.

[0012] Preferably, the connecting groove is matched with a connecting block, the connecting block is arranged in the middle of the connecting groove, and the chassis is fixed to one side of the spiral conveying cylinder through a connecting plate.

[0013] Preferably, the wall of the buffer pad fits with the inner wall of the spiral conveying cylinder, and the inner cavity of the connecting tube is connected with the inner cavity of the spiral conveying cylinder through the liquid outlet hole.

[0014] Preferably, the angle tilt adjustment mechanism includes support blocks fixed on both sides of the top of the support base, threaded rods are symmetrically arranged at both ends of the opposite sides of the two support blocks, one end of the threaded rods is sleeved with a transmission belt, and one end of one of the threaded rods is connected to a second motor.

[0015] Preferably, a threaded sleeve at one end of the threaded rod is provided with a limit slider, the top of the limit slider is rotatably connected to a support rod, one end of the support rod is located on both sides of the fixed base and is rotatably connected to connecting rollers, and the connecting rollers are fixed on both sides of the fixed base.

[0016] Technical effects and advantages of the utility model:

[0017] 1. The utility model firstly inputs high-pressure liquid into the interior of the connecting pipe through the liquid inlet pipe, and sprays the interior of the spiral conveying cylinder through the liquid outlet hole and the one-way valve, so as to flush the interior of the spiral conveying cylinder. When flushing and cleaning is needed, it can be automatically cleaned, which is convenient for cleaning and use. The spiral blade is controlled by the spiral shaft to drive the buffer pad to rotate, and the inner cavity wall of the spiral conveying cylinder can be scraped by the buffer pad, so as to further improve the cleaning effect of the inner cavity of the spiral conveying cylinder;

[0018] 2. The utility model also provides an angle tilt adjustment mechanism, which can start the second motor as needed to control the limit slider to push the support rod in sequence, support the spiral conveying cylinder through the support rod, tilt the spiral conveying cylinder, and facilitate the adjustment of the height of the discharge pipe, so as to adapt to the use of feeding equipment of different heights, and support the spiral conveying cylinder through the support block, and facilitate the mobile use through the moving wheel, and facilitate the disassembly of the chassis through the cooperation of the chassis and the connecting plate and the connecting block, so as to overhaul the first motor;

[0019] In summary, through the mutual influence of the above-mentioned multiple effects, the interior of the spiral conveyor barrel can be automatically flushed to achieve automatic cleaning, which is convenient for cleaning and use, and the conveying height of the spiral conveyor barrel can be adjusted as needed, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0022] Figure 3 It is a schematic diagram of the split structure of the spiral shaft and the connecting disk of the utility model.

[0023] Figure 4 It is a schematic diagram of the connection structure of the threaded rod and the support rod of the utility model.

[0024] The accompanying drawings are marked as follows: 1. spiral conveying cylinder; 2. fixed base; 3. supporting base; 4. moving wheel; 5. rotating connecting block; 6. supporting block; 7. spiral shaft; 8. spiral blade; 9. buffer pad; 10. connecting block; 11. chassis; 12. connecting plate; 13. first motor; 14. connecting disk; 15. connecting groove; 16. connecting pipe; 17. liquid outlet; 18. one-way valve; 19. liquid inlet pipe; 20. feed pipe; 21. discharge pipe; 22. threaded rod; 23. transmission toothed belt; 24. second motor; 25. limit slider; 26. support rod; 27. connecting roller. DETAILED DESCRIPTION

[0025] 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.

[0026] As attached Figure 1-4A self-cleaning screw conveyor shown in the figure comprises a screw conveying cylinder 1, a fixed base 2 is fixedly connected to the bottom of the screw conveying cylinder 1, a supporting base 3 is arranged at the bottom of the fixed base 2, an angle tilt adjustment mechanism is arranged at the top of the supporting base 3, the placement angle of the screw conveying cylinder 1 can be conveniently adjusted by the angle tilt adjustment mechanism, so that the height of the discharge port can be adjusted as needed, which is convenient for use, a connecting pipe 16 is fixedly connected to the top of the screw conveying cylinder 1, a liquid outlet 17 is opened at the top of the screw conveying cylinder 1 at a position corresponding to the connecting pipe 16, and the inside of the screw conveying cylinder 1 can be flushed by injecting flushing liquid into the inside of the connecting pipe 16 and spraying it into the inside of the screw conveying cylinder 1 through the liquid outlet 17;

[0027] A one-way valve 18 is provided in the middle of the liquid outlet 17, a liquid inlet pipe 19 is provided on one side of the top of the connecting pipe 16, a spiral shaft 7 is provided in the middle of the spiral conveying cylinder 1, a spiral blade 8 is fixedly sleeved in the middle of the spiral shaft 7, a buffer pad 9 is fixedly connected to the outer surface of the spiral blade 8, and a connecting block 10 is fixedly connected to one end of the spiral shaft 7. The one-way valve 18 can prevent the conveying material inside the spiral conveying cylinder 1 from entering the inside of the connecting pipe 16, and the flushing liquid is conveniently injected into the inside of the connecting pipe 16 through the liquid inlet pipe 19. The spiral shaft 7 is rotated to control the spiral blade 8 to drive the buffer pad 9 to rotate, so as to realize the function of spiral conveying;

[0028] A chassis 11 is provided on one side of the spiral conveying cylinder 1, a connecting plate 12 is fixedly connected to one side of the chassis 11, a first motor 13 is provided in the middle of the chassis 11, an output end of the first motor 13 is fixedly connected to a connecting disk 14, a connecting groove 15 is provided on one side of the connecting disk 14, and the first motor 13 can be connected to the spiral shaft 7 through the cooperation of the connecting block 10 and the connecting disk 14, so as to facilitate the driving transmission, and the chassis 11 can be conveniently disassembled through the connecting plate 12, so as to overhaul the first motor 13.

[0029] As attached Figure 1 , 2 As shown, a feed pipe 20 is fixedly connected to the top of the spiral conveyor cylinder 1 near the connecting plate 12, and a discharge pipe 21 is fixedly connected to the bottom of the spiral conveyor cylinder 1 away from the connecting plate 12. The feed pipe 20 facilitates the input of raw materials, and the discharge pipe 21 facilitates the discharge of raw materials.

[0030] As attached Figure 1 , 2 As shown, moving wheels 4 are symmetrically arranged around the bottom of the support base 3, and one side of the top of the support base 3 is rotatably connected to one end of the bottom of the fixed base 2 through a rotating connecting block 5, so that it is convenient to move through the moving wheels 4, and one end of the spiral conveying cylinder 1 can be rotatably connected to the support base 3 by rotating the connecting block 5, so as to facilitate the rotation of the spiral conveying cylinder 1.

[0031] As attached Figure 3 As shown, the connecting groove 15 is adapted to the connecting block 10, the connecting block 10 is arranged in the middle of the connecting groove 15, the chassis 11 is fixed to one side of the spiral conveying cylinder 1 through the connecting plate 12, and the connecting block 10 is arranged inside the connecting groove 15, so that the rotation of the connecting disk 14 can drive the spiral shaft 7 to rotate, thereby playing the role of connecting transmission.

[0032] As attached Figure 2 As shown, the wall of the buffer pad 9 fits with the inner wall of the screw conveying cylinder 1, and the inner cavity of the connecting pipe 16 is connected with the inner cavity of the screw conveying cylinder 1 through the liquid outlet 17. The buffer pad 9 can improve the conveying effect of the spiral blade 8 on the raw material, and the buffer pad 9 can improve the cleaning effect of the inner cavity wall of the screw conveying cylinder 1 when flushing the inside of the screw conveying cylinder 1.

[0033] As attached Figure 1 , 4 As shown, the angle tilt adjustment mechanism includes support blocks 6 fixed on both sides of the top of the support base 3, and threaded rods 22 are symmetrically arranged at both ends of the opposite sides of the two support blocks 6. A transmission belt 23 is sleeved on one end of the threaded rods 22, and a second motor 24 is connected to one end of one of the threaded rods 22. When the second motor 24 is started, the two threaded rods 22 are controlled to rotate simultaneously, and the spiral conveying cylinder 1 is supported by the support blocks 6.

[0034] As attached Figure 1 , 4 As shown, a limit slider 25 is threadedly sleeved on one end of the threaded rod 22, and the top of the limit slider 25 is rotatably connected to a support rod 26. One end of the support rod 26 is located on both sides of the fixed base 2 and is rotatably connected to a connecting roller 27. The connecting roller 27 is fixed on both sides of the fixed base 2. The rotation of the threaded rod 22 can control the horizontal movement of the limit slider 25, thereby pushing the support rod 26, and causing one end of the spiral conveying cylinder 1 to tilt and rotate through the connecting roller 27, thereby improving the use effect.

[0035] Working principle of the utility model: when in use, the starter box 11 controls the spiral shaft 7 to drive the spiral blade 8 to rotate, so that the raw materials entering the spiral conveying cylinder 1 through the feed pipe 20 can be output through the discharge pipe 21 to realize spiral conveying;

[0036] When adjusting the inclination angle of the spiral conveying cylinder 1, the second motor 24 is started to remotely control the support rod 26 to support the fixed base 2 and the spiral conveying cylinder 1, so that the spiral conveying cylinder 1 can be tilted and the height of the discharge pipe 21 can be adjusted;

[0037] During cleaning, high-pressure gas can be injected into the interior of the connecting tube 16 through the liquid inlet pipe 19 and sprayed into the interior of the spiral conveying cylinder 1 through the liquid outlet hole 17 and the one-way valve 18. At the same time, the chassis 11 is started to control the spiral blades 8 to drive the buffer pad 9 to rotate, so that the interior of the spiral conveying cylinder 1 can be flushed, and combined with the wiping of the buffer pad 9, the cleaning effect can be improved.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-cleaning screw conveyor, comprising a screw conveyor cylinder (1), characterized in that: The bottom of the spiral conveying cylinder (1) is fixedly connected to a fixed base (2), the bottom of the fixed base (2) is provided with a support base (3), the top of the support base (3) is provided with an angle tilt adjustment mechanism, the top of the spiral conveying cylinder (1) is fixedly connected to a connecting pipe (16), and a liquid outlet hole (17) is provided at a position on the top of the spiral conveying cylinder (1) corresponding to the connecting pipe (16); A one-way valve (18) is provided in the middle of the liquid outlet hole (17), a liquid inlet pipe (19) is provided on one side of the top of the connecting pipe (16), a spiral shaft (7) is provided in the middle of the spiral conveying cylinder (1), a spiral blade (8) is fixedly sleeved in the middle of the spiral shaft (7), a buffer pad (9) is fixedly connected to the outer surface of the spiral blade (8), and a connecting block (10) is fixedly connected to one end of the spiral shaft (7); A machine box (11) is provided on one side of the spiral conveying cylinder (1), a connecting plate (12) is fixedly connected to one side of the machine box (11), a first motor (13) is provided in the middle of the machine box (11), a connecting plate (14) is fixedly connected to the output end of the first motor (13), and a connecting groove (15) is provided on one side of the connecting plate (14).

2. A self-cleaning screw conveyor according to claim 1, characterized in that: A feeding pipe (20) is fixedly connected to a side of the top of the spiral conveying cylinder (1) close to the connecting plate (12), and a discharging pipe (21) is fixedly connected to a side of the bottom of the spiral conveying cylinder (1) away from the connecting plate (12).

3. A self-cleaning screw conveyor according to claim 1, characterized in that: The bottom of the support base (3) is symmetrically provided with moving wheels (4), and one side of the top of the support base (3) is rotatably connected to one end of the bottom of the fixed base (2) via a rotatable connecting block (5).

4. A self-cleaning screw conveyor according to claim 1, characterized in that: The connecting groove (15) is matched with the connecting block (10); the connecting block (10) is arranged in the middle of the connecting groove (15); and the housing (11) is fixed to one side of the spiral conveying cylinder (1) via a connecting plate (12).

5. The self-cleaning screw conveyor according to claim 1, characterized in that: The wall of the buffer pad (9) fits into the inner wall of the screw conveying cylinder (1), and the inner cavity of the connecting tube (16) is connected to the inner cavity of the screw conveying cylinder (1) through the liquid outlet hole (17).

6. The self-cleaning screw conveyor according to claim 1, characterized in that: The angle tilt adjustment mechanism comprises support blocks (6) fixed on both sides of the top of the support base (3), threaded rods (22) are symmetrically arranged at both ends of opposite sides of the two support blocks (6), one end of the threaded rods (22) is sleeved with a transmission toothed belt (23), and one end of one of the threaded rods (22) is connected to a second motor (24).

7. A self-cleaning screw conveyor according to claim 6, characterized in that: A limit slider (25) is threadedly sleeved on one end of the threaded rod (22); the top of the limit slider (25) is rotatably connected to a support rod (26); one end of the support rod (26) is located on both sides of the fixed base (2) and is rotatably connected to a connecting roller (27); the connecting roller (27) is fixed on both sides of the fixed base (2).

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