Feeding device for pneumatic conveying device

Abstract

The utility model relates to the technical field of pneumatic conveying, and solves the problem that when materials are conveyed by gas, as the feeding quantity of the materials cannot be controlled, all the materials are concentrated in a feeding pipe, and the materials are blocked during feeding. The feeding device for the pneumatic conveying device comprises a sending tank body, an air inlet tank used for providing air inlet power for pneumatic conveying is arranged on the side face of the sending tank body, a feeding pipe used for feeding materials is arranged at the top of the sending tank body, and a first L-shaped supporting plate is fixedly connected to one side of the top of the sending tank body; the top of the first L-shaped supporting plate is fixedly connected with a driving assembly used for quantitatively controlling the feeding quantity to avoid pneumatic conveying blockage, the driving assembly comprises a driving motor fixedly connected to the top of the first L-shaped supporting plate, and the output end of the driving motor is fixedly connected with a first toothed rotating shaft; and the surface of the first toothed rotating shaft is sleeved with a toothed belt.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pneumatic conveying, in particular to a kind of feeding device for pneumatic conveying device. BACKGROUND

[0002] The feeding device for pneumatic conveying device disclosed in the publication No. CN216638168U includes a housing, a sealing cover disposed above the housing, a feeding mechanism including a vacuum assembly disposed above the sealing cover and a discharging assembly disposed below the housing, and a cleaning mechanism installed inside the sealing cover for cleaning the material inside the housing. A sealing column is disposed above the sealing cover, a multi-stage telescopic oil cylinder is disposed above the sealing column, a first through hole is provided on the upper surface of the sealing cover, the multi-stage telescopic oil cylinder is connected with the first through hole, and a fixed disc is provided at one end of the multi-stage telescopic oil cylinder.

[0003] The vacuum machine is started, and the vacuum machine and the sealing connection pipe are used to vacuum the inside of the housing, so that the internal pressure is lower than the external environment. The feeding connection pipe is connected to the feeding pipe, and the feeding pipe is inserted into the material. Under the action of the pressure difference, the material is directly sucked into the housing through the feeding pipe for feeding.

[0004] However, during the pneumatic conveying of the material, the quantity of the material cannot be controlled, causing the material to be concentrated in the feeding pipe, resulting in blockage of the material during feeding. This scheme is not efficient for pneumatic conveying and feeding. UTILITY MODEL CONTENT

[0005] To overcome the shortcomings of the prior art, the utility model provides a feeding device for pneumatic conveying device, which solves the problem of blockage of the material during pneumatic conveying due to the uncontrollable quantity of the material.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a feeding device for pneumatic conveying device, including a sending tank, an air inlet tank for providing air power for pneumatic conveying is arranged on the side of the sending tank, a feeding pipe for feeding material is arranged on the top of the sending tank, a first L-shaped support plate is fixedly connected to one side of the top of the sending tank, and a driving assembly for quantitatively controlling the quantity of feeding material to avoid blockage of pneumatic conveying is fixedly connected to the top of the first L-shaped support plate.

[0007] In a specific embodiment, the driving assembly comprises a driving motor fixedly connected to the top of the first L-shaped supporting plate, the output end of the driving motor is fixedly connected with a first toothed rotating shaft, the surface of the first toothed rotating shaft is sleeved with a toothed belt, one side in the toothed belt is sleeved with a second toothed rotating shaft, the surfaces of the first toothed rotating shaft and the second toothed rotating shaft are fixedly connected with connecting rods, one end of the connecting rods is sleeved in a bearing, the surface of the bearing is sleeved with a storage box, the inner side wall of the storage box is rotatably connected with a rotating drum matched with the storage box, the surface of the rotating drum is provided with a rectangular material groove for placing materials, and one end of the rotating drum is provided with a connecting block, and one end of the connecting block is fixedly connected with one end of the connecting rod.

[0008] In a specific embodiment, the length of the rotating drum is equal to the length of the inside of the storage box, and the width of the inside of the rotating drum is equal to the diameter of the rotating drum.

[0009] In a specific embodiment, the bottom of the storage box is throughly connected with a discharging pipe, and the discharging pipe and the feeding pipe are on the same vertical line.

[0010] In a specific embodiment, the bottom of the sending tank is throughly connected with a discharging pipe, and the side of the discharging pipe is provided with a valve for opening and closing.

[0011] In a specific embodiment, the edge of the bottom of the sending tank is provided with a supporting leg, and the bottom of the supporting leg is provided with a gasket.

[0012] Compared with the prior art, the utility model provides a kind of feeding device for pneumatic conveying device, with the following beneficial effects:

[0013] In the technical scheme disclosed by the utility model, by the rotating drum arranged in the driving assembly cooperating with the rectangular material groove, periodic rotation is realized under the driving of the driving motor, so that each rectangular material groove only contains a fixed volume of material. When the rotating drum rotates to the position of the discharging pipe, the material falls into the feeding pipe quantitatively, realizing precise batch feeding. This structure effectively avoids the problem of material accumulation and blockage caused by traditional continuous feeding, and is especially suitable for powdery or granular materials that are easy to block (such as cement and plastic particles). The toothed belt is used to link the first toothed rotating shaft and the second toothed rotating shaft, the connecting rods are driven synchronously by the double shafts, the rotating phases of the two rotating drums are consistent, the support of the bearing is used to keep the rotating drums rotating stably in the storage box, and the problems of material jamming and uneven rotating speed caused by unilateral stress are avoided, which significantly improves the continuity of feeding. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the sending tank body structure schematic view of the utility model;

[0017] Figure 3 It is the drive assembly structure schematic view of the utility model;

[0018] Figure 4 It is the air inlet tank structure schematic view of the utility model.

[0019] In the drawing: 1, sending tank body;2, air inlet tank;3, feed pipe;4, first L-shaped support plate;5, drive assembly;51, drive motor;52, first toothed rotating shaft;53, toothed belt;54, second toothed rotating shaft;55, connecting rod;551, bearing;552, storage box;553, rotating drum;554, rectangular material groove;6, discharge pipe;7, discharge pipe;8, valve. Specific implementation

[0020] The implementation of the present application will be described in detail below with the help of the drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0021] Figures 1-4 For an embodiment of the utility model, a kind of feeding device for pneumatic conveying device, including sending tank body 1, the side of sending tank body 1 is provided with the air inlet tank 2 for providing the air intake power of pneumatic conveying, and the top of sending tank body 1 is provided with the feed pipe 3 for putting material, and the top of sending tank body 1 is fixedly connected with the first L-shaped support plate 4 on one side, and the top of first L-shaped support plate 4 is fixedly connected with the drive assembly 5 for quantitative control of the quantity of material to avoid the blockage of pneumatic conveying.

[0022] The specific problem that the specific embodiment aims at is that during the gas conveying material, the amount of material supply cannot be controlled, so that the material is all concentrated in the feeding pipe, thereby causing the problem of material blocking during feeding. The utility model discloses a driving assembly 5 is arranged, the rotary drum 553 in the driving assembly 5 is arranged rectangular material groove 554, under the driving of driving motor 51, periodically rotates, so that each rectangular material groove 554 only contains fixed volume of material, when rotary drum 553 rotates to the position of discharge pipe 6, material quantitative falls into feeding pipe 3, realizes accurate batch feeding, the structure effectively avoids the problem of material accumulation and blocking caused by traditional continuous feeding, especially suitable for powdery or granular easy-to-block materials such as cement, plastic particles and the like, adopt the toothed belt 53 linkage first toothed shaft 52 and second toothed shaft 54, through the synchronous driving connecting rod 55 of double shaft, ensure that both sides rotary drum 553 rotation phase is consistent, cooperate the supporting action of bearing 551, make rotary drum 553 keep steady rotation in storage box 552, avoid the phenomenon of material blocking or speed difference caused by unilateral stress, significantly improve the continuity of feeding.

[0023] The driving assembly 5 includes a driving motor 51 fixedly connected to the top of the first L-shaped support plate 4, and the output end of the driving motor 51 is fixedly connected with a first toothed shaft 52, and the surface of the first toothed shaft 52 is sleeved with a toothed belt 53, and one side of the inside of the toothed belt 53 is sleeved with a second toothed shaft 54, and the surfaces of the first toothed shaft 52 and the second toothed shaft 54 are fixedly connected with connecting rods 55, one end of the connecting rods 55 is sleeved with a bearing 551, the surface of the bearing 551 is sleeved with a storage box 552, and the inner side wall of the storage box 552 is rotatably connected with a rotary drum 553 matched with the storage box 552, and the surface of the rotary drum 553 is provided with a rectangular material groove 554 for placing material, and one end of the connecting rod 55 is fixedly connected with one end of the connecting rod 55, in the specific embodiment, the length of the rotary drum 553 is equal to the length of the inside of the storage box 552, and the width of the inside of the rotary drum 553 is equal to the diameter of the rotary drum 553. Through the rotary drum 553 in the driving assembly 5 is arranged rectangular material groove 554, under the driving of driving motor 51, periodically rotates, so that each rectangular material groove 554 only contains fixed volume of material, when rotary drum 553 rotates to the position of discharge pipe 6, material quantitative falls into feeding pipe 3, realizes accurate batch feeding, the structure effectively avoids the problem of material accumulation and blocking caused by traditional continuous feeding, especially suitable for powdery or granular easy-to-block materials such as cement, plastic particles and the like, adopt the toothed belt 53 linkage first toothed shaft 52 and second toothed shaft 54, through the synchronous driving connecting rod 55 of double shaft, ensure that both sides rotary drum 553 rotation phase is consistent, cooperate the supporting action of bearing 551, make rotary drum 553 keep steady rotation in storage box 552, avoid the phenomenon of material blocking or speed difference caused by unilateral stress, significantly improve the continuity of feeding.

[0024] In the specific embodiment, the bottom of the storage box 552 is connected with the discharge pipe 6, the discharge pipe 6 and the feeding pipe 3 are on the same vertical line, the discharge pipe 6 and the feeding pipe 3 adopt coaxial vertical layout, combined with the structural characteristics that the length of the rotary drum 553 and the inner cavity of the storage box 552 are equal, a straight corner-free falling channel is formed, the bottom of the sending tank body 1 is connected with the discharge pipe 7, the side of the discharge pipe 7 is provided with the valve 8 for opening and closing, the edge of the bottom of the sending tank body 1 is provided with the supporting leg, and the bottom of the supporting leg is provided with the gasket.

[0025] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0026] It should be noted that in this paper, the term "including", "containing" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A feeding device for a pneumatic conveying system, comprising a feeding tank (1), characterized in that: The side of the sending tank (1) is provided with an air inlet tank (2) for providing air intake power for pneumatic conveying, and the top of the sending tank (1) is provided with a feed pipe (3) for feeding materials. A first L-shaped support plate (4) is fixedly connected to one side of the top of the sending tank (1), and a drive component (5) for quantitatively controlling the amount of material fed to avoid pneumatic conveying blockage is fixedly connected to the top of the first L-shaped support plate (4). The drive assembly (5) includes a drive motor (51) fixedly connected to the top of the first L-shaped support plate (4), and the output end of the drive motor (51) is fixedly connected to a first toothed shaft (52), and a toothed belt (53) is sleeved on the surface of the first toothed shaft (52), and a second toothed shaft (54) is sleeved on one side inside the toothed belt (53), and a connecting rod (55) is fixedly connected to the surfaces of the first toothed shaft (52) and the second toothed shaft (54).

2. The feeding device for a pneumatic conveying system according to claim 1, characterized in that: One end of each connecting rod (55) is sleeved on a bearing (551), and a storage box (552) is sleeved on the surface of the bearing (551). A rotating cylinder (553) adapted to the storage box (552) is rotatably connected to the inner wall of the storage box (552). A rectangular material trough (554) for placing materials is opened on the surface of the rotating cylinder (553). A connecting block is provided at one end of the rotating cylinder (553), and one end of the connecting block is fixedly connected to one end of the connecting rod (55).

3. The feeding device for a pneumatic conveying system according to claim 2, characterized in that: The length of the rotating drum (553) is equal to the length inside the storage box (552), and the width inside the rotating drum (553) is equal to the diameter of the rotating drum (553).

4. The feeding device for a pneumatic conveying system according to claim 2, characterized in that: The bottom of the storage box (552) is connected to a discharge pipe (6), and the discharge pipe (6) and the feed pipe (3) are on the same vertical line.

5. The feeding device for a pneumatic conveying system according to claim 1, characterized in that: The bottom of the sending tank (1) is connected to a discharge pipe (7), and a valve (8) for opening and closing is provided on the side of the discharge pipe (7).

6. The feeding device for a pneumatic conveying system according to claim 1, characterized in that: The bottom edge of the sending tank (1) is provided with support legs, and the bottom of each support leg is provided with a pad.

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