Dustproof and anti-leakage spiral feeding machine

Abstract

The utility model discloses a dustproof and anti-leakage spiral feeding machine. The feeding mechanism has the advantages that the dustproof and leakage-proof sealing assembly is installed at the bottom end of the spiral conveying shaft in the feeding mechanism, a bearing can be hidden on the inner side of the bottom end of a feeding pipe in the feeding mechanism under the cooperation of a dustproof and leakage-proof cover and a sealing cover, and direct contact between the bearing and the external environment is effectively avoided; therefore, the defect that external dust enters the bearing is avoided, the frequency of shutdown maintenance of equipment is reduced, and efficient bulk material conveying of materials is ensured. Meanwhile, through the design of a pressure stabilizing and dust collecting structure which is arranged between the box cover and the top end of the material box and comprises an air suction cylinder, a dust collecting fan and a pressure stabilizing tank, the feeding position of the spiral feeding machine is located in a relatively sealed space, and dust flying in the material box in the feeding process is absorbed, guided and conveyed in cooperation with the pressure stabilizing and dust collecting mechanism; and flying dust is effectively prevented from being distributed around the spiral feeding machine, so that the surrounding environment of the spiral feeding machine is cleaner.

Description

TECHNICAL FIELD

[0001] The utility model relates to spiral feeding machine technical field, concretely relates to a dustproof and material leakage prevention spiral feeding machine. BACKGROUND

[0002] Spiral feeding machine (also known as spiral conveyor or spiral elevator) is a kind of mechanical equipment commonly used in material conveying, and is widely used in agriculture, construction, chemical industry, food processing, mining and other industries.It transports material from one location to another through rotating spiral blade.Spiral feeding machine can be transported horizontally, obliquely or vertically according to needs, with the characteristics of simple structure, high conveying efficiency and convenient maintenance.

[0003] Although the existing spiral feeding machine can transport material to the designated feeding position in the spiral conveying mode, on the one hand, the bearing of the spiral conveying shaft end in the existing spiral feeding machine is mainly installed outside the bearing seat, which makes the spiral conveying shaft end bearing of the spiral feeding machine easily enter dust during use, reduces the overall use performance of the spiral feeding machine, and also causes frequent shutdown and maintenance of the spiral feeding machine, which is not convenient for efficient feeding and conveying of material, on the other hand, the existing spiral feeding machine is mainly of open structure at the feeding hopper, which causes a large amount of material dust to be blown out from the feeding hopper during feeding, resulting in a dirty and messy environment around the spiral feeding machine. SUMMARY

[0004] (I) Technical problem to be solved

[0005] The technical problem to be solved by the utility model is to provide a dustproof and material leakage prevention spiral feeding machine that can hide the spiral conveying shaft end bearing in the bearing seat, avoid the entry of external dust into the spiral conveying shaft end bearing, reduce the number of equipment shutdown and maintenance, and ensure efficient bulk material conveying.

[0006] (II) Technical scheme

[0007] The utility model discloses a dustproof and leakproof material spiral feeding machine, including the material box, the material box's feed inlet installs the box cover, the material box top installs the stable pressure dust collection mechanism, the material box's discharge port installs the feeding mechanism, the stable pressure dust collection mechanism includes the air extraction cylinder, dust collection fan and the stabilizing tank, wherein the air extraction cylinder is located the material box top middle part, the dust collection fan is located the air extraction cylinder top, the stabilizing tank is located the air extraction cylinder one side wall, the feeding mechanism includes the feeding pipe, drive motor, spiral conveying shaft and transmission gear group, wherein the spiral conveying shaft is installed in the feeding pipe, the feeding pipe top is connected with drive motor through transmission gear group, the feeding pipe bottom installs dustproof and leakproof material sealing assembly, and the dustproof and leakproof material sealing assembly includes sealing cover, sealing pad, bearing and dustproof and leakproof material cover, wherein the sealing cover is located the feeding pipe bottom outside, the sealing cover is located the spiral conveying shaft bottom, the bearing is located the dustproof and leakproof material cover inboard, and the sealing pad is located between the bearing and the sealing cover.

[0008] Further, the box cover side of the material box is also provided with a support plate, the material box bottom four corners are respectively provided with a supporting leg, and the material box is of a neck-in structure.

[0009] By adopting the above technical scheme, the support plate can facilitate the temporary placement of external material containers, so as to add materials to the material box, and the neck-in structure can ensure the accumulation of materials at the bottom of the material box under the action of gravity.

[0010] Further, the neck-in structure of the material box bottom communicates with the inside of the feeding pipe, and the feeding pipe is bolted with the material box bottom discharge port.

[0011] By adopting the above technical scheme, the material box communicates with the inside of the feeding pipe, so as to ensure that the materials in the material box can conveniently enter the feeding pipe.

[0012] Further, the air extraction cylinder is bolted with the material box, the dust collection fan is bolted with the air extraction cylinder, and the stabilizing tank is connected with the air extraction cylinder through a stabilizing pipeline.

[0013] By adopting the above technical scheme, the dust collection fan can absorb and guide the dust floating in the material box, and the stabilizing tank can ensure the stability of the air pressure in the material box by blowing air into the material box.

[0014] Further, the spiral conveying shaft is rotationally matched with the feeding pipe, and the drive motor is bolted with the feeding pipe top.

[0015] By adopting the above technical scheme, the material can be conveyed to the designated position under the action of the screw conveying shaft.

[0016] Further, the transmission gear set is composed of two gears, a large gear and a small gear, wherein the small gear is connected with the power output end of the driving motor, and the large gear is connected with the top end of the screw conveying shaft, and the large gear and the small gear are engaged.

[0017] By adopting the above technical scheme, the transmission gear set is mainly used for transmitting the power of the driving motor to the screw conveying shaft, so as to ensure the convenient rotation adjustment of the screw conveying shaft.

[0018] Further, the dustproof and leakage-proof cover is provided with a plug rod at one end facing the screw conveying shaft, and the plug rod on the dustproof and leakage-proof cover is inserted into the screw conveying shaft.

[0019] By adopting the above technical scheme, the dustproof and leakage-proof cover cooperates with the sealing cover to hide the bearing, avoid the exposure of the bearing, prevent the external dust from entering the bearing, and ensure that the equipment can efficiently convey the material.

[0020] Further, the bearing outer ring is inserted with the dustproof and leakage-proof cover, and the boss on the bearing cover is inserted with the bearing inner ring.

[0021] By adopting the above technical scheme, the bearing outer ring will rotate together after the rotation of the screw conveying shaft, so as to ensure the reliable rotation installation of the bottom end of the screw conveying shaft.

[0022] (Three) beneficial effects

[0023] Compared with the prior art, the utility model has the following beneficial effects:

[0024] To solve the existing spiral feeding machine although can make material in the spiral conveying mode is conveyed to the designated feeding position, on the one hand, due to the existing spiral feeding machine in the spiral conveying shaft end bearing is mainly installed in the bearing seat outside, resulting in the spiral feeding machine in the use process spiral conveying shaft end bearing place easy to enter the dust, make the overall use performance of spiral feeding machine decline, also can cause the spiral feeding machine frequent maintenance, not convenient for the efficient feeding conveying of material, on the other hand, due to the existing spiral feeding machine feeding hopper is mainly for the open type structure, resulting in the existing spiral feeding machine in the feeding process can have a large amount of material dust from the feeding hopper place, thereby causing the surrounding environment of spiral feeding machine is dirty problem, the utility model discloses a spiral feeding machine of dustproof and leakage prevention is provided, which comprises a feeding mechanism, a dustproof and leakage prevention sealing assembly is arranged at the bottom end of the spiral conveying shaft in the feeding mechanism, and the dustproof and leakage prevention sealing assembly comprises a sealing cover, a sealing gasket, a bearing and a dustproof and leakage prevention cover. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structure diagram of the dustproof and leakage prevention spiral feeding machine of the utility model;

[0026] Figure 2 is a sectional view of the feeding mechanism and the dustproof and leakage prevention sealing assembly in the dustproof and leakage prevention spiral feeding machine of the utility model;

[0027] Figure 3 is a dustproof and leakage prevention spiral feeding machine in the utility model Figure 2 is an enlarged view of A in the middle.

[0028] The following is the explanation of the reference signs:

[0029] 1, the stable pressure dust collection mechanism; 101, the air suction cylinder; 102, the dust collection fan; 103, the stable pressure tank; 2, the box cover; 3, the supporting plate; 4, the material box; 5, the dustproof and leakage prevention sealing assembly; 501, the sealing cover; 502, the sealing gasket; 503, the bearing; 504, the dustproof and leakage prevention cover; 6, the feeding mechanism; 601, the feeding pipe; 602, the driving motor; 603, the spiral conveying shaft; 604, the transmission gear set. DETAILED DESCRIPTION

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0031] like Figures 1-3 As shown, a dustproof and leak-proof screw conveyor in this embodiment includes a material bin 4, a bin cover 2 installed at the inlet of the material bin 4, a pressure-stabilizing dust-collecting mechanism 1 installed at the top of the material bin 4, and a feeding mechanism 6 installed at the outlet of the material bin 4. The pressure-stabilizing dust-collecting mechanism 1 includes an air extraction cylinder 101, a dust-collecting fan 102, and a pressure-stabilizing tank 103. The air extraction cylinder 101 is located at the middle of the top of the material bin 4, the dust-collecting fan 102 is located at the top of the air extraction cylinder 101, and the pressure-stabilizing tank 103 is located on one side wall of the air extraction cylinder 101. The dust-collecting fan 102 can absorb and guide the dust floating in the material bin 4, and the pressure-stabilizing tank 103 can ensure the stability of the air pressure in the material bin 4 by blowing air into the material bin 4. The feeding mechanism 6 includes a feeding pipe 601, a drive motor 602, a screw conveyor shaft 603, and a transmission gear set 604. The feed pipe 601 is equipped with a screw conveyor shaft 603. The top end of the feed pipe 601 is connected to the drive motor 602 through a transmission gear set 604. The bottom end of the feed pipe 601 is equipped with a dustproof and leak-proof sealing assembly 5. The dustproof and leak-proof sealing assembly 5 includes a sealing cover 501, a sealing gasket 502, a bearing 503, and a dustproof and leak-proof cover 504. The sealing cover 501 is located on the outside of the bottom end of the feed pipe 601 and the bottom end of the screw conveyor shaft 603. The bearing 503 is located inside the dustproof and leak-proof cover 504. The sealing gasket 502 is located between the bearing 503 and the sealing cover 501. The dustproof and leak-proof cover 504 cooperates with the sealing cover 501 to hide the bearing 503 and prevent the bearing 503 from being exposed, thereby preventing external dust from entering the bearing 503 and ensuring that the equipment can efficiently feed and convey materials.

[0032] like Figures 1-3 As shown in this embodiment, a support plate 3 is also installed on the side of the box cover 2 on the material box 4. The four corners of the bottom of the material box 4 are each equipped with a support leg. The material box 4 has a constricted opening structure. The design of the support plate 3 can facilitate the temporary placement of external material containers so that materials can be added to the material box 4. The constricted opening structure can ensure that the materials accumulate to the bottom of the material box 4 under their own weight. The constricted opening at the bottom of the material box 4 is connected to the inside of the feeding pipe 601. The feeding pipe 601 is bolted to the discharge port at the bottom of the material box 4 so that the material box 4 is connected to the inside of the feeding device. This can ensure that the materials in the material box 4 can easily enter the feeding pipe 601.

[0033] like Figures 1-3As shown, in this embodiment, the suction cylinder 101 is bolted to the material box 4, the dust suction fan 102 is bolted to the suction cylinder 101, the pressure stabilizing tank 103 is connected to the suction cylinder 101 through the pressure stabilizing pipeline, the spiral conveying shaft 603 is rotationally connected to the feeding pipe 601, the driving motor 602 is bolted to the top end of the feeding pipe 601, the spiral conveying shaft 603 enables the material to be conveyed to the designated position under the action of the spiral conveying, the transmission gear set 604 is composed of two gears, one large and one small, wherein the small gear is connected to the power output end of the driving motor 602, and the large gear is connected to the top end of the spiral conveying shaft 603, and the large gear is engaged with the small gear, the transmission gear set 604 is mainly used to transmit the power of the driving motor 602 to the spiral conveying shaft 603 to ensure the convenient rotation adjustment of the spiral conveying shaft 603.

[0034] As shown in the figure, Figures 1-3 In this embodiment, the dustproof and leakproof material cover 504 has a plug rod at one end facing the spiral conveying shaft 603, the plug rod on the dustproof and leakproof material cover 504 is inserted into the spiral conveying shaft 603, the outer ring of the bearing 503 is inserted into the dustproof and leakproof material cover 504, the boss on the cover of the bearing 503 is inserted into the inner ring of the bearing 503, and the outer ring of the bearing 503 will rotate together after the spiral conveying shaft 603 rotates, thereby ensuring the reliable rotation installation of the bottom end of the spiral conveying shaft 603.

[0035] The specific implementation process of this embodiment is as follows: when in use, first move the device to the designated feeding position, connect the device with the external power supply and control components, then add the material into the box body, close the box door, then rotate the spiral conveying shaft 603 under the action of the driving motor 602 and the transmission gear set 604, so that the material in the material box 4 is lifted to the discharge port on the upper side of the feeding pipe 601 while the spiral conveying shaft 603 is rotating, realizing the lifting and feeding of the material, wherein during the feeding process, the dustproof and leakproof material sealing assembly 5 composed of the sealing cover 501, the sealing gasket 502, the bearing 503 and the dustproof and leakproof material cover 504 is installed at the bottom end of the spiral conveying shaft 603 in the feeding mechanism 6, which can hide the bearing 503 inside the bottom end of the feeding pipe 601 in the feeding mechanism 6 under the cooperation of the dustproof and leakproof material cover 504 and the sealing cover 501, effectively avoiding the direct contact of the bearing 503 with the external environment, thereby avoiding the disadvantage of external dust entering the inside of the bearing 503, reducing the number of equipment downtime maintenance, and ensuring the efficient bulk material conveying of the material; at the same time, the design of the pressure stabilizing and dust suction structure composed of the suction cylinder 101, the dust suction fan 102 and the pressure stabilizing tank 103 installed at the top end of the box cover 2 and the material box 4 enables the feeding position of the spiral feeder to be in a relatively sealed space, and cooperates with the pressure stabilizing and dust suction mechanism 1 to absorb and guide the dust floating in the material box 4 during the feeding process, effectively avoiding the floating dust from being distributed everywhere around the spiral feeder, making the environment around the spiral feeder cleaner.

[0036] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dustproof and leak-proof screw conveyor, characterized in that: Including the hopper (4), the hopper (4) is installed at the inlet of the cover (2), the hopper (4) top end installs the stable pressure dust collection mechanism (1), the hopper (4) is installed at the discharge port of the feeding mechanism (6), the stable pressure dust collection mechanism (1) includes the suction cylinder (101), the dust fan (102) and the stable pressure tank (103), wherein the suction cylinder (101) is located in the middle of the hopper (4) top end, the dust fan (102) is located in the suction cylinder (101) top end, the stable pressure tank (103) is located on the side wall of the suction cylinder (101); The feeding mechanism (6) includes a feeding pipe (601), a drive motor (602), a spiral conveying shaft (603) and a transmission gear set (604), wherein the feeding pipe (601) is installed in the spiral conveying shaft (603), the feeding pipe (601) top end is connected with the drive motor (602) through the transmission gear set (604), the feeding pipe (601) bottom end is installed with dustproof and leakage-proof material sealing assembly (5), the dustproof and leakage-proof material sealing assembly (5) includes a sealing cover (501), a sealing gasket (502), a bearing (503) and a dustproof and leakage-proof cover (504), wherein the sealing cover (501) is located at the bottom end outside of the feeding pipe (601), the sealing cover (501) is located at the bottom end of the spiral conveying shaft (603), the bearing (503) is located inside the dustproof and leakage-proof cover (504), the sealing gasket (502) is located between the bearing (503) and the sealing cover (501).

2. The dustproof and leakage-proof material screw feeder according to claim 1, characterized in that: The hopper (4) is installed on one side of the cover (2) and also has a support plate (3), the hopper (4) bottom end has four legs respectively, the hopper (4) is a necked structure.

3. A dust and spill proof material screw feeder as claimed in claim 2, wherein: The neck of the hopper (4) bottom end is communicated with the inside of the feeding pipe (601), the feeding pipe (601) is bolted with the hopper (4) bottom end discharge port.

4. The dust-proof and leakage-proof material screw feeder according to claim 1, characterized in that: The suction cylinder (101) is bolted with the hopper (4), the dust fan (102) is bolted with the suction cylinder (101), the stable pressure tank (103) is connected with the suction cylinder (101) through the stable pressure pipeline.

5. The dust-proof and leakage-proof material screw feeder according to claim 1, characterized in that: The spiral conveying shaft (603) is rotatably connected with the feeding pipe (601), the drive motor (602) is bolted with the feeding pipe (601) top end.

6. A dust and spill proof material screw feeder as claimed in claim 5, wherein: The transmission gear set (604) is composed of two gears, the small gear is connected with the power output end of the drive motor (602), and the large gear is connected with the top end of the spiral conveying shaft (603), and the large gear is engaged with the small gear.

7. The dust-proof and leakage-proof material screw feeder according to claim 1, characterized in that: The dustproof and leakage-proof cover (504) has a plug rod at one end facing the spiral conveying shaft (603), the plug rod on the dustproof and leakage-proof cover (504) is inserted into the spiral conveying shaft (603).

8. The dust-proof and leakage-proof material screw feeder according to claim 1, characterized in that: The outer ring of the bearing (503) is inserted with the dustproof and leakage-proof cover (504), the boss on the cover of the bearing (503) is inserted with the inner ring of the bearing (503).

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