Chemical powder screw conveyor

Abstract

The utility model relates to the technical field of chemical industry, and discloses a chemical powder screw conveyer, which comprises an outer cylinder, a carding structure is rotatably arranged in the outer cylinder, the carding structure comprises a driving shaft, a spiral blade, a scraper blade and a spiral strip, the driving shaft is rotatably arranged in the outer cylinder, the scraper blade is fixedly arranged on the spiral blade, and the spiral strip is arranged in the outer cylinder. The spiral blades are fixedly arranged on the curved surface of the driving shaft, the spiral strips are fixedly arranged at one ends of the spiral blades, the anti-blocking structure is movably arranged in the outer cylinder and comprises a mounting box, a vibrating bar, a turbine plate and a push plate, the turbine plate pushes the guide columns on the two sides, and the guide columns are arranged on the two sides of the mounting box. The guide columns on the two sides pull the corresponding push plates and the vibrating plates to continuously push in a reciprocating mode, so that the pipe wall of the outer barrel is intermittently knocked left and right back and forth, cakes in the outer barrel are vibrated off and broken, and the characteristics of preventing conveying blockage and preventing conveying from being affected are achieved in cooperation with the scraper blade and the spiral blades and the spiral strips which are arranged in a staggered mode.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of chemical technology, specifically relates to a chemical powder screw conveyor. BACKGROUND

[0002] The chemical powder screw conveyor utilizes the friction force between the blade and the material to push the material from the feeding port to the discharging port, and is widely used in the fields of chemical industry, building materials, grain, metallurgy and pharmaceutical industry, and is especially suitable for conveying powdery materials.

[0003] The prior art discloses a kind of screw conveyors for drying machine finished powder (CN212333771U), including conveyor outer tube, the front end of conveyor outer tube is equipped with feeding cylinder, its rear end is equipped with detachable discharging cylinder, the top of feeding cylinder is equipped with outer edge, connecting cylinder is inserted and installed in feeding cylinder, connecting cylinder is equipped with convex edge outside, connecting cylinder is fixed after insertion by strong magnetic ring adsorbed on convex edge, telescopic cylinder is sleeved on the top of connecting cylinder, dust cloth bag is arranged on the top of telescopic cylinder;Discharging cylinder is connected with conveyor outer tube by flange plate.The conveying belt conveying mode of existing finished powder drying machine is replaced by closed screw conveyor, and the finished powder is conveyed by screw conveyor, which effectively avoids powder flying and eliminates the safety hazard of powder pollution.

[0004] After searching, it is found that the prior art does not design active carding structure, and residual powder and powder with high humidity are prone to dry hardening and caking during conveying, which causes conveying to be stuck, and moreover, the traditional screw conveying structure is fixed in structure, which is prone to blockage when conveying powder material with high humidity, thereby affecting conveying.

[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0006] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0007] A chemical powder screw conveyor, comprising

[0008] An outer tube, a feeding port and a discharging port are fixedly arranged at both ends of the outer tube;

[0009] A carding structure is rotatably arranged in the outer tube, and the carding structure comprises a driving shaft, a spiral blade, a scraper and a spiral strip, the driving shaft is rotatably arranged in the outer tube, the scraper is fixedly arranged on the spiral blade, the spiral blade, the scraper and the spiral strip are provided in plurality, the spiral blade is fixedly arranged on the curved surface of the driving shaft, and the spiral strip is fixedly arranged on one end of the spiral blade;

[0010] The anti-blocking structure is movably arranged in the outer cylinder, and comprises a mounting box, a vibrating rod, a turbine plate and a push plate, the mounting box is fixedly arranged in the inner portion of the outer cylinder, the vibrating rod is fixedly arranged on one side of the push plate, the push plate is slidably arranged in the mounting box, and the turbine plate is rotatably arranged on one side of the mounting box.

[0011] As a preferred embodiment of the present application, one end of the outer cylinder is fixedly connected with a feeding port above, a feeding valve is arranged on the feeding port, and the feeding port is communicated with the outer cylinder through the feeding valve.

[0012] As a preferred embodiment of the present application, the other end of the outer cylinder is fixedly connected with a discharging port below, a discharging valve is arranged on the discharging port, the discharging port is communicated with the outer cylinder through the discharging valve, and the feeding port and the discharging port are symmetrically arranged at an oblique angle.

[0013] As a preferred embodiment of the present application, one end of the outer cylinder is fixedly provided with a motor, an output end of the motor is connected with one end of a driving shaft, an inner wall surface of the other end of the outer cylinder is fixedly connected with a mounting box, and the other end of the driving shaft is fixedly connected with a turbine plate.

[0014] As a preferred embodiment of the present application, the scraper is arranged on the inner wall surface of the outer cylinder, the helical blade and the helical strip are arranged alternately, the helical strip is fixedly connected between every two helical blades, and the side curved surface of the helical strip close to the inner wall surface of the outer cylinder is arranged in a sawtooth helical structure.

[0015] As a preferred embodiment of the present application, a Z-shaped partition plate is fixedly arranged in the mounting box, the mounting box is divided into two staggered and symmetrical L-shaped cavities by the partition plate, the vibrating rod and the push plate are both provided with two, the two vibrating rods and the two push plates are arranged in an L-shaped structure corresponding to the shape of the L-shaped cavities, the push plate slides in the L-shaped cavities, two through holes are respectively arranged on the two sides of the mounting box, the through holes correspond to the vibrating rods, and the vibrating rods penetrate through the through holes.

[0016] As a preferred embodiment of the present application, the side of the vibrating rod close to the inner wall surface of the outer cylinder is arranged in an arc surface, a slide is symmetrically arranged on one side of the mounting box, a guide column is fixedly arranged on one end of the push plate close to the slide, the guide column penetrates and slides in the slide, a spring is fixedly arranged between the push plate and the inner wall surface of the mounting box, the spring is sleeved on the vibrating rod, the push plate is elastically connected with the mounting box through the spring, and the guide column slides close to the wall surface of the turbine plate.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1. By setting the anti-blocking structure, the special shape of the turbine plate pushes the two side guide columns, the two side guide columns pull the corresponding push plate and the vibration plate to continuously reciprocate and push, so as to realize the intermittent left and right knocking of the outer cylinder pipe wall, thereby breaking the agglomerates in the outer cylinder, and cooperating with the scraper, the staggered spiral blade and the spiral strip to prevent the conveying from being blocked and avoid the influence on the conveying.

[0019] 2. By setting the carding structure, the scraper is used to scrape the powder attached to the inner wall of the outer cylinder, and the serrated spiral structure on the spiral strip is used to card and loosen the powder, so as to avoid the accumulation and agglomeration of the powder in the conveying process due to the over-wetting of the powder, and the design that the spiral strip is not attached to the driving shaft can effectively disperse the accumulated powder, thereby avoiding the conveying jamming phenomenon.

[0020] The specific embodiments of the utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] In the drawings:

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the internal structure schematic diagram of the utility model;

[0024] Figure 3 It is the appearance schematic diagram of the anti-blocking structure of the utility model;

[0025] Figure 4 It is the internal section view schematic diagram of the anti-blocking structure of the utility model;

[0026] Figure 5 It is the disassembly schematic diagram of the anti-blocking structure of the utility model.

[0027] In the drawings: 10, outer cylinder; 11, motor; 12, feed inlet; 13, feed valve; 14, discharge port; 15, discharge valve; 16, mounting box; 17, driving shaft; 18, spiral blade; 19, scraper; 20, spiral strip; 21, vibration rod; 22, turbine plate; 23, partition plate; 24, push plate; 25, slide; 26, through hole; 27, spring; 28, guide column. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below with reference to the drawings of the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0029] A chemical powder spiral conveyor, such as Figure 1 , Figure 2 ,Figure 3 、 Figure 4 and Figure 5 as shown, comprising

[0030] The outer cylinder 10, the two ends of the outer cylinder 10 are respectively fixedly provided with the feeding port 12 and the discharge port 14;

[0031] The carding structure is rotatably arranged in the outer cylinder 10, and the carding structure comprises a driving shaft 17, a spiral blade 18, a scraper 19 and a spiral strip 20. The driving shaft 17 is rotatably arranged in the outer cylinder 10, the scraper 19 is fixedly arranged on the spiral blade 18, and the spiral blade 18, the scraper 19 and the spiral strip 20 are all provided with a plurality of spiral blades 18. The spiral strip 20 is fixedly arranged on one end of the spiral blade 18.

[0032] The anti-blocking structure is movably arranged in the outer cylinder 10, and the anti-blocking structure comprises a mounting box 16, a vibrating rod 21, a turbine plate 22 and a push plate 24. The mounting box 16 is fixedly arranged inside the outer cylinder 10, the vibrating rod 21 is fixedly arranged on one side of the push plate 24, the push plate 24 is slidably arranged in the mounting box 16, and the turbine plate 22 is rotatably arranged on one side of the mounting box 16.

[0033] Specifically, the powder material enters the inner part of the outer cylinder 10 through the feeding port 12, the driving shaft 17 drives the spiral blade 18, the spiral strip 20 and the turbine plate 22 to rotate, the rotating spiral blade 18 and the spiral strip 20 convey the powder material, the scraper 19 scrapes off the powder attached to the wall surface of the outer cylinder 10 at the corresponding position, the turbine plate 22 drives the push plate 24 and the vibrating rod 21, and the vibrating plate 21 moves in the mounting box 16 to knock the inner wall of the outer cylinder 10.

[0034] As shown in Figure 1 , the feeding port 12 is fixedly connected to the upper end of the outer cylinder 10, the feeding valve 13 is installed on the feeding port 12, and the feeding port 12 is communicated with the outer cylinder 10 through the feeding valve 13; as shown in Figure 1 , the discharge port 14 is fixedly connected to the lower end of the outer cylinder 10, the discharge valve 15 is installed on the discharge port 14, and the discharge port 14 is communicated with the outer cylinder 10 through the discharge valve 15, and the feeding port 12 and the discharge port 14 are symmetrically arranged at an oblique angle.

[0035] The working principle is as follows: when in use, the feeding valve 13 is opened and the discharge valve 15 is closed, the powder is added into the outer cylinder 10 through the feeding port 12, then the feeding valve 13 is closed and the discharge valve 15 is opened, the carding structure is used to card and loosen the powder material, and the powder material is conveyed out of the discharge port 14.

[0036] As shown in Figure 1 、 Figure 2 and Figure 3As shown, one end of the outer cylinder 10 is fixedly provided with a motor 11, the output end of the motor 11 is connected to one end of the driving shaft 17, the other end of the outer cylinder 10 is fixedly connected with the installation box 16, and the other end of the driving shaft 17 is fixedly connected with the turbine plate 22. Figure 2 As shown, the scraper 19 is arranged on the inner wall surface of the outer cylinder 10, the helical blade 18 and the helical strip 20 are arranged alternately, the helical strip 20 is fixedly connected between every two helical blades 18, and the side of the helical strip 20 close to the inner wall surface of the outer cylinder 10 is arranged in a sawtooth spiral structure.

[0037] The working principle is as follows: the motor 11 drives the driving shaft 17 to rotate, the driving shaft 17 drives the helical blade 18, the scraper 19, the helical strip 20 and the turbine plate 22 to rotate, the helical blade 18 is a spiral structure close to the driving shaft 17, the helical strip 20 is a spiral structure away from the driving shaft 17, the surfaces of the combing structures are provided with a dustproof and water-repellent coating, and are corrosion-resistant.

[0038] As shown in Figure 4 and Figure 5 As shown, the installation box 16 is fixedly provided with a Z-shaped partition plate 23, the partition plate 23 divides the installation box 16 into two staggered and symmetrical L-shaped cavities, the vibration rod 21 and the push plate 24 are both provided with two, the two vibration rods 21 and the push plate 24 form an L-shaped structure corresponding to the shape of the L-shaped cavity, the push plate 24 slides in the L-shaped cavity, the installation box 16 is provided with a through hole 26 on each side, the through hole 26 corresponds to the vibration rod 21, and the vibration rod 21 penetrates through the through hole 26.

[0039] As shown in Figure 4 and Figure 5 As shown, the side of the vibration rod 21 close to the inner wall surface of the outer cylinder 10 is arranged as an arc surface, one side of the installation box 16 is symmetrically provided with a slide 25, the push plate 24 is fixedly provided with a guide column 28 at one end close to the slide 25, the guide column 28 penetrates and slides in the slide 25, the push plate 24 and the inner wall surface of the installation box 16 are fixedly provided with a spring 27, the spring 27 is sleeved on the vibration rod 21, the push plate 24 is elastically connected to the installation box 16 through the spring 27, and the guide column 28 slides close to the wall surface of the turbine plate 22.

[0040] The working principle is as follows: in use, the turbine plate 22 rotates following the rotation of the driving shaft 17, and the turbine plate 22 is shaped like a volute structure; when one side guide column 28 slides against the shortest diameter curved surface of the turbine plate 22, the other side guide column 28 synchronously slides against the largest diameter curved surface of the turbine plate 22 under the guidance of the slide 25; under the influence of the shape of the turbine plate 22, the two side guide columns 28 realize the processes of pushing out, knocking and retracting in sequence, respectively; that is, when one side guide column 28 slides in the slide 25 and pushes out under the movement of the turbine plate 22, the guide column 28 drives the corresponding push plate 24 and the vibration rod 21 to extrude the corresponding spring 27 to release energy; at this time, the vibration rod 21 knocks the inner wall of the outer cylinder 10; synchronously, the other side guide column 28 corresponding to the side slides in the slide 25 and retracts, stretches the corresponding spring 27 to accumulate energy, and waits for the energy release of the turbine plate 22 in the next rotation.

[0041] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A chemical powder screw conveyor characterized by, The utility model relates to a kind of feed mixing machine, including Outer tube (10), the both ends of outer tube (10) are respectively fixedly provided with feed inlet (12) and discharge port (14); Carding structure, the carding structure is rotationally arranged in outer tube (10), the carding structure includes driving shaft (17), spiral blade (18), scraper (19) and spiral strip (20), the driving shaft (17) is rotationally arranged in outer tube (10), the scraper (19) is fixedly arranged on spiral blade (18), the spiral blade (18), scraper (19) and spiral strip (20) are all provided with multiple, the spiral blade (18) is fixedly arranged on the curved surface of driving shaft (17), the spiral strip (20) is fixedly arranged on one end of spiral blade (18); Anti-blocking structure, the anti-blocking structure is movably arranged in outer tube (10), the anti-blocking structure includes mounting box (16), vibrating rod (21), turbine plate (22) and push plate (24), the mounting box (16) is fixedly arranged in outer tube (10) inside, the vibrating rod (21) is fixedly arranged on one side of push plate (24), the push plate (24) is slidably arranged in mounting box (16), the turbine plate (22) is rotationally arranged on one side of mounting box (16).

2. A chemical powder screw conveyor according to claim 1, characterized in that, One end of the outer tube (10) is fixedly connected with the feed inlet (12) above, the feed inlet (12) is provided with a feed valve (13), and the feed inlet (12) is communicated with the outer tube (10) through the feed valve (13).

3. A chemical powder screw conveyor according to claim 2, characterized in that The other end of the outer tube (10) is fixedly connected with the discharge port (14) below, the discharge port (14) is provided with a discharge valve (15), the discharge port (14) is communicated with the outer tube (10) through the discharge valve (15), and the feed inlet (12) and the discharge port (14) are arranged symmetrically at an angle.

4. A chemical powder screw conveyor according to claim 1, characterized in that, One end of the outer tube (10) is fixedly provided with a motor (11), the output end of the motor (11) is connected to one end of the driving shaft (17), the other end of the outer tube (10) is fixedly connected with the mounting box (16) on the inner wall surface, and the other end of the driving shaft (17) is fixedly connected with the turbine plate (22).

5. A chemical powder screw conveyor according to claim 4, characterized in that, The scraper (19) is arranged on the inner wall surface of the outer tube (10), the spiral blade (18) and the spiral strip (20) are arranged alternately, the spiral strip (20) is fixedly connected between every two spiral blades (18), and the side curved surface of the spiral strip (20) close to the inner wall surface of the outer tube (10) is arranged in a zigzag spiral structure.

6. A chemical powder screw conveyor according to claim 1, characterized in that, The mounting box (16) is fixedly provided with a Z-shaped partition plate (23) inside, the mounting box (16) is divided into two staggered L-shaped cavities by the partition plate (23), the vibrating rod (21) and the push plate (24) are both provided with two, the vibrating rod (21) and the push plate (24) form an L-shaped structure corresponding to the shape of the L-shaped cavity, the push plate (24) slides in the L-shaped cavity, the mounting box (16) is provided with a through hole (26) on each side, the through hole (26) corresponds to the vibrating rod (21), and the vibrating rod (21) penetrates through the through hole (26).

7. A chemical powder screw conveyor according to claim 6, characterized in that The side of the vibrating rod (21) close to the inner wall of the outer cylinder (10) is provided as a curved surface, one side of the mounting box (16) is symmetrically provided with a slide (25), one end of the push plate (24) close to the slide (25) is fixedly provided with a guide column (28), the guide column (28) penetrates and slides in the slide (25), the push plate (24) and the inner wall of the mounting box (16) are fixedly provided with a spring (27), the spring (27) is sleeved on the vibrating rod (21), the push plate (24) is elastically connected with the mounting box (16) through the spring (27), and the guide column (28) slides close to the wall surface of the turbine plate (22).

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