Airtight discharge port structure of pipe chain conveyor

Abstract

The utility model relates to an airtight discharge port structure of a pipe chain conveyor, which comprises a material guide pipe, a discharge port arranged on the material guide pipe and provided with a downward opening, a discharge shell arranged on the material guide pipe and provided with a downward opening, the discharge port is positioned in the discharge shell, and a movable door arranged along the length direction of the material guide pipe is arranged in the discharge shell. The movable door is arranged on the discharging shell, the moving device drives the movable door to move in the length direction of the guiding pipe, the discharging port is opened and closed through movement of the movable door, a sealing cover and an opening and closing device driving the sealing cover to be opened and closed are arranged on an opening in the lower end of the discharging shell, and double sealing of the discharging port of the pipe chain conveyor is achieved through the movable door and the sealing cover. The sealing device is simple in structure, novel in conception, convenient to use and capable of effectively improving the sealing performance after the discharging port of the pipe chain conveyor is closed, meets the requirement for air tightness of the pipe chain conveyor, and improves operation safety, reliability and use efficiency of the pipe chain conveyor.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bulk material conveying equipment technical field, concretely relates to a kind of air-tight discharge port structure of pipe chain conveyor used when granule, powder and other bulk material is conveyed. BACKGROUND

[0002] Pipe chain conveyor is in closed conveying pipeline, with mutually coordinated chain and sprocket as transmission component, scraper is arranged on chain, chain drives scraper to move along closed conveying pipeline, inlet and outlet are provided on sealing pipeline, for making material to enter and exit closed conveying pipeline, material in closed pipeline is pushed and moved under the action of chain and scraper from inlet, and it flows from outlet, to realize the conveying of material, pipe chain conveyor has the advantages of light weight, low energy consumption, good sealing performance, flexible arrangement and the like, and can effectively avoid dust and light fine impurities in material from drifting in the conveying process of powder, granule and other materials, to protect the environment. In recent years, due to the enhancement of people's environmental awareness, pipe chain conveyor is more and more widely used in the conveying of grain materials, especially in the process of grain entering and exiting warehouse, the closed environment of pipe chain conveyor can effectively avoid dust in the process of grain conveying, to protect the environment, and the flexible arrangement of pipe chain conveyor enables it to be arranged in various forms such as plane annular arrangement in grain storehouse, plane annular arrangement on storehouse roof, vertical annular arrangement in storehouse and mobile arrangement in storehouse, to better realize the mechanical conveying function of bulk grain entering and exiting warehouse, thereby improving the efficiency of entering and exiting warehouse. Therefore, pipe chain conveyor is widely used in flat storehouse and building storehouse for grain storage, but when flat storehouse and building storehouse are used for storing grain, they basically need to be fumigated or air-conditioned regularly to ensure grain quality, therefore, the discharge port of pipe chain conveyor has high requirements for its air tightness, at present, the discharge port of pipe chain conveyor is usually pressed tightly with cover plate and discharge port by multiple buckles or other pressing mechanisms after unloading is completed, which is troublesome, and since the operating position is usually located on one side of pipe chain conveyor, it is inconvenient to operate. CONTENT OF UTILITY MODEL

[0003] In view of the above, in order to overcome the problems of the prior art, the utility model provides a pipe chain conveyor air-tight discharge port structure, which is connected with discharge shell at the lower part of the material guide pipe of pipe chain conveyor, the discharge port of material guide pipe is arranged in discharge shell, and movable door capable of opening and closing is arranged in discharge hopper, the opening and closing of discharge port are realized by the movement of movable door, the lower end opening of discharge shell is provided with cover capable of opening and closing, and the double sealing of discharge port of pipe chain conveyor is realized by movable door and cover, to improve the sealing performance of discharge port of pipe chain conveyor.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0005] An airtight discharge port structure for a tubular chain conveyor includes a guide pipe and a downward-facing discharge port on the guide pipe. The guide pipe has a downward-facing discharge shell, and the discharge port is located inside the discharge shell. The discharge shell contains a movable door arranged along the length of the guide pipe, and a moving device that drives the movable door to move along the length of the guide pipe. The opening and closing of the discharge port is achieved by moving the movable door. A cap and a closing device that drives the cap to open and close are provided on the lower opening of the discharge shell.

[0006] Furthermore, a flange is provided on the lower opening of the discharge shell, and a sealing gasket is provided between the flange and the cover to seal the gap between the lower opening of the discharge shell and the cover. The sealing gasket is fixedly connected to the cover.

[0007] Furthermore, the movable door has an arc-shaped structure, with its inner arc surface fitting against the lower outer surface of the guide tube.

[0008] Furthermore, an inspection port is provided on the guide pipe above the discharge port, and an inspection cover is provided on the inspection port.

[0009] Furthermore, the moving device includes a rotating shaft, a gear, and a rotating handle. The rotating shaft is installed inside the discharge shell and can rotate relative to the discharge shell. The rotating shaft is arranged in a direction perpendicular to the length direction of the guide pipe. The rotating shaft is provided with a gear fixed relative to the rotating shaft. The lower end of the moving door is provided with a rack fixedly connected to the moving door. The rack and the gear mesh with each other.

[0010] Furthermore, the discharge shell is provided with multiple support rollers, which are disposed inside the discharge shell and are rotatably connected to the inner side plate of the discharge shell.

[0011] Furthermore, the opening and closing device includes a support frame, an opening and closing shaft, a worm gear, a handwheel, and a turbine. The support frame is connected to the discharge shell, and the opening and closing shaft is rotatably connected to the support frame. The opening and closing shaft is located on one side of the guide pipe. One end of the opening and closing shaft is connected to a turbine, which is connected to the worm gear. A handwheel is connected to the worm gear, and the opening and closing shaft is connected to the cover. The worm gear and turbine drive the opening and closing shaft to rotate, causing the cover to move closer to or further away from the lower opening of the discharge shell, thereby opening and closing the lower opening of the discharge shell.

[0012] Furthermore, the opening and closing shaft is provided with a plurality of handles arranged along the length of the opening and closing shaft. The handles are fixedly connected to the opening and closing shaft and are connected to the lower end of the cover, supporting the cover.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The utility model discloses a pipe chain conveyor's guide tube lower part is connected with the discharge shell, and the discharge port of guide tube is arranged in the discharge shell, and the movable door that can open and close is arranged in the discharge hopper, and the opening and closing of discharge port are realized through the movement of movable door, and the lower end opening of discharge shell is equipped with the cover that can open and close, and the double closure of pipe chain conveyor's discharge port is realized through movable door and cover, thereby improving the sealing property of pipe chain conveyor's discharge port.

[0015] 2. The utility model discloses the sealing of the gap between the lower end opening of discharge shell and cover is realized through the sealing gasket, and the sealing property of pipe chain conveyor's discharge port is further improved through the setting of sealing gasket.

[0016] 3. The utility model discloses the setting of moving device realizes the movement of movable door through the rack and pinion mechanism, realizes the opening and closing of movable door to the discharge port of guide tube, and the utility model discloses setting opening and closing device, and opening and closing device drives the rotation of opening and closing pivot through worm gear drive, drives the cover to be close to or away from the lower end opening of discharge shell body, realizes the opening and closing of discharge shell body lower end opening. The closing compression and opening of whole discharge port can be completed through moving device and opening and closing device, and the operation is simple and convenient. The sealing effect is good, and provides the sealing reliability and working efficiency.

[0017] 4. The utility model discloses simple structure, novel in conception, convenient to use can effectively improve the sealing property of pipe chain conveyor's discharge port after closing, satisfies the air -tightness requirement of pipe chain conveyor, improves the operation safety reliable and use efficiency of pipe chain conveyor. ACCURATE DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the utility model Figure 1 's overhead view;

[0020] Figure 3 It is the structure schematic diagram of the utility model Figure 1 's side view;

[0021] Figure 4 It is the structure schematic diagram of the moving device of the utility model;

[0022] Figure 5 It is the structure schematic diagram of the opening and closing device of the utility model. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in combination with the drawings.

[0024] As Figures 1-5As shown, a pipe chain conveyor air-tight discharge port structure, including a guide pipe 1, and a downward opening discharge port 5 arranged on the guide pipe 1, the guide pipe 1 above the discharge port 5 is provided with an access hole 7, the access hole 7 is provided with an access cover plate. The guide pipe 1 is provided with a downward opening discharge shell 2, the discharge port 5 is located in the discharge shell 2, the discharge shell 2 is provided with a moving door 3 arranged along the length direction of the guide pipe 1, the moving door 3 is an arc structure, the inner arc surface is attached to the lower end outer surface of the guide pipe 1, the discharge shell 2 is provided with a moving device for driving the moving door 3 to move along the length direction of the guide pipe 1, the opening and closing of the discharge port 5 is realized by the movement of the moving door 3, the moving device includes a rotating shaft 8, a gear 9 and a rotating handle 10, the rotating shaft 8 is arranged in the discharge shell 2 and can rotate relative to the discharge shell 2, the rotating shaft 8 is arranged along the direction perpendicular to the length direction of the guide pipe 1, the rotating shaft 8 is provided with the gear 9 fixed relative to the rotating shaft 8, the lower end of the moving door 3 is provided with a rack 11 fixedly connected with the moving door 3, the rack 11 and the gear 9 are engaged with each other. The discharge shell 2 is provided with a plurality of supporting wheels 12, the supporting wheels 12 are arranged in the discharge shell 2 and are rotatably connected with the inner side plate of the discharge shell 2.

[0025] The lower end opening of the discharge shell 2 is provided with a cover 4, the lower end opening of the discharge shell 2 is provided with a flange, the flange and the cover 4 are provided with a sealing gasket 6 for sealing the gap between the lower end opening of the discharge shell 2 and the cover 4, the sealing gasket 6 is fixedly connected with the cover 4. The discharge shell 2 is provided with an opening and closing device for driving the cover 4 to open and close, the opening and closing device includes a support frame, an opening and closing rotating shaft 13, a worm 14, a hand wheel 15 and a turbine 16, the support frame is connected with the discharge shell 2, the opening and closing rotating shaft 13 is rotatably connected with the support frame, and the opening and closing rotating shaft 13 is located on one side of the guide pipe 1, one end of the opening and closing rotating shaft 13 is connected with the turbine 16, the turbine 16 is connected with the worm 14, the worm 14 is connected with the hand wheel 15, the opening and closing rotating shaft 13 is provided with a plurality of supporting handles 17 arranged along the length direction of the opening and closing rotating shaft 13, the supporting handles 17 are fixedly connected with the opening and closing rotating shaft 13, the supporting handles 17 are connected with the lower end of the cover 4, the supporting handles 17 support the cover 4, the opening and closing rotating shaft 13 is driven to rotate by the worm turbine, so that the cover 4 approaches or moves away from the lower end opening of the discharge shell 2 body, realizing the opening and closing of the lower end opening of the discharge shell 2 body.

[0026] When the discharge port 5 discharges, and the discharge port 5 needs to be opened, the hand wheel 15 is rotated to drive the worm 14 to rotate, the worm 14 and the turbine 16 are engaged with each other, the worm 14 drives the turbine 16 to rotate, the turbine 16 is relatively fixedly connected with the opening and closing rotating shaft 13, the turbine 16 drives the opening and closing rotating shaft 13 to rotate relative to the support frame, thereby driving the supporting handle 17 and the cover 4 to move away from the lower end opening of the discharge shell 2, thereby opening the lower end opening of the discharge shell 2, then the rotating handle 10 is operated to drive the rotating shaft 8 to rotate, thereby driving the gear 9 to rotate, the gear 9 drives the rack 11 to move, thereby driving the moving door 3 to move, the discharge port 5 is opened, the material in the guide pipe 1 of the pipe chain conveyor is discharged from the discharge port 5, and the discharge of the pipe chain conveyor is realized. When the discharge is completed, the discharge port 5 needs to be closed, first, the moving door 3 is moved by operating the rotating handle 10, the discharge port 5 is closed, then the cover 4 is operated to close the lower end opening of the discharge shell 2.

[0027] It should be noted that the above-described embodiments are illustrative of the technical scheme of the present application and are not limiting, equivalent replacements of the ordinary skilled in the art or other modifications according to the prior art should be included in the scope of the present application as long as they do not exceed the idea and range of the technical scheme of the present application.

Claims

1. A tube chain conveyor air-tight discharge structure, comprising a guide tube (1), an open downward discharge port (5) arranged on the guide tube (1), characterized in that: The material guiding pipe (1) is provided with a downwardly open discharging shell (2), the discharging port (5) is located in the discharging shell (2), the discharging shell (2) is provided with a moving door (3) arranged along the length direction of the material guiding pipe (1), and a moving device for driving the moving door (3) to move along the length direction of the material guiding pipe (1), the opening and closing of the discharging port (5) is realized by the movement of the moving door (3), and the lower end opening of the discharging shell (2) is provided with a cover (4) and an opening and closing device for driving the cover (4) to open and close.

2. The tubular chain conveyor air-tight discharge structure according to claim 1, characterized in that: The lower end opening of the discharging shell (2) is provided with a flange, and the flange and the cover (4) are provided with a sealing gasket (6) for sealing the gap between the lower end opening of the discharging shell (2) and the cover (4), and the sealing gasket (6) is fixedly connected with the cover (4).

3. The tubular chain conveyor air-tight discharge structure according to claim 1, characterized in that: The moving door (3) is of arc structure, and the inner arc surface is attached to the outer surface of the lower end of the material guiding pipe (1).

4. The tubular chain conveyor air-tight discharge structure according to claim 1, characterized in that: The material guiding pipe (1) above the discharging port (5) is provided with an inspection opening (7), and the inspection opening (7) is provided with an inspection cover plate.

5. A tube chain conveyor air-tight discharge structure according to any one of claims 1 to 4, characterized in that: The moving device comprises a rotating shaft (8), a gear (9) and a rotating handle (10), the rotating shaft (8) is arranged in the discharging shell (2) and can rotate relative to the discharging shell (2), the rotating shaft (8) is arranged along a direction perpendicular to the length direction of the material guiding pipe (1), the rotating shaft (8) is provided with the gear (9) fixed relative to the rotating shaft (8), the lower end of the moving door (3) is provided with a rack (11) fixedly connected with the moving door (3), and the rack (11) and the gear (9) are engaged with each other.

6. The tubular chain conveyor air-tight discharge structure according to claim 5, characterized in that: The discharging shell (2) is provided with a plurality of supporting wheels (12), and the supporting wheels (12) are arranged in the discharging shell (2) and are rotatably connected with the inner side plate of the discharging shell (2).

7. The tubular chain conveyor air-tight discharge opening structure according to any one of claims 1 to 4, characterized in that: The opening and closing device comprises a support frame, an opening and closing rotating shaft (13), a worm (14), a hand wheel (15) and a turbine (16), the support frame is connected with the discharging shell (2), the opening and closing rotating shaft (13) is rotatably connected with the support frame, and the opening and closing rotating shaft (13) is located on one side of the material guiding pipe (1), one end of the opening and closing rotating shaft (13) is connected with the turbine (16), the turbine (16) is connected with the worm (14), the worm (14) is connected with the hand wheel (15), the opening and closing rotating shaft (13) is connected with the cover (4), the opening and closing of the lower end opening of the discharging shell (2) is realized by driving the opening and closing rotating shaft (13) to rotate through the worm turbine, so that the cover (4) is close to or away from the lower end opening of the discharging shell (2) body, and the opening and closing of the lower end opening of the discharging shell (2) body is realized.

8. The tubular chain conveyor air-tight discharge structure according to claim 7, characterized in that: The opening and closing rotating shaft (13) is provided with a plurality of supporting handles (17) arranged along the length direction of the opening and closing rotating shaft (13), the supporting handles (17) are fixedly connected with the opening and closing rotating shaft (13), and the supporting handles (17) are connected with the lower end of the cover (4) and support the cover (4).

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