CN220027770U - Dust removing device for grain screening - Google Patents

Abstract

The utility model provides a dust removing device for grain screening, which comprises a screening machine and a supporting plate fixed on one side of the screening machine, wherein a dust removing box is fixedly arranged on the supporting plate, a fan is fixedly arranged on one side of the dust removing box, a hose is arranged on the other side of the dust removing box in a communicating manner, a dust collecting pipe is fixedly connected to the other end of the hose, a plurality of equidistantly arranged air inlets are arranged on the dust collecting pipe, a linear driving assembly is arranged at the top of the screening machine, and the linear driving assembly is used for driving the dust collecting pipe to linearly move. According to the utility model, the fan, the dust removing box, the hose and the dust collecting pipe are adopted, the fan is started to generate the air duct, dust is sucked into the dust collecting pipe through the plurality of air inlets and then enters the hose, and finally the dust enters the dust removing box and is attached to the filter screen, so that the purpose of collecting the dust is realized, the dust concentration generated when the screening machine works is reduced, a large amount of dust is further prevented from being sucked by workers, and the health of the workers is ensured.

Description

Dust removing device for grain screening

Technical Field

The utility model relates to the technical field of grain screening, in particular to a dust removing device for grain screening.

Background

The grains are covered in a wider range, and comprise rice, wheat, millet, soybean and other miscellaneous cereals. The agricultural China is large, hundreds of millions of tons of grains are harvested in the annual harvest season, the grains are required to be sent into a screening device after being harvested, and the grains are screened in size in the screening process so as to select qualified grains.

When the screening machine works, a large amount of dust can be generated and float in the air, and the dust is sucked into the lungs by workers, so that the harm to the bodies of the workers can be reduced, and the dust removing device for screening grains is provided.

Disclosure of Invention

The utility model aims to provide a dust removing device for grain screening, which aims to solve the technical problems in the prior art.

In order to solve the technical problems, the dust removing device for grain screening comprises a screening machine and a supporting plate fixed on one side of the screening machine, wherein a dust removing box is fixedly installed on the supporting plate, a fan is fixedly installed on one side of the dust removing box, a hose is arranged on the other side of the dust removing box in a communicated mode, a dust collecting pipe is fixedly connected to the other end of the hose, a plurality of air inlets are formed in the dust collecting pipe at equal intervals, and a linear driving assembly is arranged at the top of the screening machine and used for driving the dust collecting pipe to move linearly.

Preferably, the linear driving assembly comprises a fixed frame fixed at the top of the screening machine, one end of the fixed frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a reciprocating screw rod, an internal thread block is sleeved on the reciprocating screw rod in a threaded manner, an arc-shaped groove is formed in the top of the internal thread block, the dust suction pipe is arranged in the lower arc-shaped groove, and the internal thread block is slidably arranged on the fixed frame.

Preferably, an upper pressing plate is arranged above the internal thread block, two studs which are symmetrically arranged are fixedly connected to the top of the internal thread block, the upper end of each stud movably penetrates through the upper pressing plate, and a nut is sleeved at the thread of the upper end of each stud.

Preferably, a filter screen is detachably arranged in the dust removal box.

Preferably, the dust removal case inner wall fixedly connected with two spacing frames of symmetry setting, the filter screen is inserted and is established between two spacing frames.

Preferably, the top of the dust removal box is rotatably connected with a cover plate through a hinge.

Preferably, the hose is one of nylon mesh cloth, terylene, thermoplastic or PVC material.

Preferably, the dust collection pipe is horizontally arranged, and the air inlet is vertically downwards arranged.

Preferably, an upper arc-shaped groove which is matched with the dust collection pipe is formed in the inner side of the upper pressing plate.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. according to the utility model, the fan, the dust removing box, the hose and the dust collecting pipe are adopted, the fan is started to generate the air duct, dust is sucked into the dust collecting pipe through the plurality of air inlets and then enters the hose, and finally the dust enters the dust removing box and is attached to the filter screen, so that the purpose of collecting the dust is realized, the dust concentration generated when the screening machine works is reduced, a large amount of dust is further prevented from being sucked by workers, and the health of the workers is ensured.

2. In the utility model, the linear driving assembly is adopted, the motor is started to drive the reciprocating screw rod to rotate, the reciprocating screw rod drives the internal thread block to linearly move, and the internal thread block and the upper pressing plate drive the dust suction pipe to move, so that the range of dust suction is enlarged, and the dust removal effect is further improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the utility model and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a right-side view block diagram of a dust removing device for grain screening according to an embodiment of the present utility model;

FIG. 2 is an enlarged block diagram of the portion A of FIG. 1;

FIG. 3 is an enlarged block diagram of the portion B of FIG. 1;

fig. 4 is a left-view structural diagram of a dust removing device for grain screening according to an embodiment of the present utility model;

fig. 5 is a diagram showing the internal structure of a dust collection box of a dust collection device for grain screening according to an embodiment of the present utility model.

Reference numerals: 1. a sieving machine; 2. a linear drive assembly; 21. a fixed frame; 22. a reciprocating screw rod; 23. a motor; 24. an internal thread block; 3. a dust collection pipe; 31. an air inlet; 4. a stud; 5. a nut; 6. an upper press plate; 7. a hose; 8. a dust removal box; 9. a limit frame; 10. a filter screen; 11. a blower; 12. a support plate; 13. and a cover plate.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is further illustrated with reference to specific embodiments.

As shown in fig. 1-5, the dust collector for grain screening provided in this embodiment includes a screening machine 1, a support plate 12 fixed on one side of the screening machine 1, a dust removal box 8 fixedly installed on the support plate 12, a fan 11 fixedly installed on one side of the dust removal box 8, a hose 7 arranged on the other side of the dust removal box 8 in a communicating manner, a dust collection pipe 3 fixedly connected with the other end of the hose 7, a plurality of equidistantly arranged air inlets 31 arranged on the dust collection pipe 3, a linear driving assembly 2 arranged on the top of the screening machine 1, and the linear driving assembly 2 used for driving the dust collection pipe 3 to move linearly.

The fan 11 is started to generate an air channel, dust is sucked into the dust suction pipe 3 through the air inlets 31, then enters the hose 7, finally the dust enters the dust removal box 8 and is attached to the filter screen 10, so that the purpose of collecting the dust is achieved, the dust concentration generated during the working of the screening machine 1 is reduced, a large amount of dust is further prevented from being sucked by workers, and the health of the workers is guaranteed.

In this scheme, the straight line drive assembly 2 is including being fixed in the fixed frame 21 at screening machine 1 top, fixed frame 21 one end fixedly connected with motor 23, motor 23 output fixedly connected with reciprocating screw 22, the last screw thread of reciprocating screw 22 cup joints internal thread piece 24, and the arc wall has been seted up at internal thread piece 24 top, and dust absorption pipe 3 sets up in lower arc wall, and internal thread piece 24 slides and sets up on fixed frame 21.

And a motor 23 is started to drive the reciprocating screw rod 22 to rotate, the reciprocating screw rod 22 drives the internal thread block 24 to linearly move, and the internal thread block 24 and the upper pressing plate 6 drive the dust collection pipe 3 to move, so that the dust collection range is enlarged, and the dust collection effect is further improved.

In order to install the dust collection pipe 3, an upper pressing plate 6 is arranged above the internal thread block 24, an upper arc-shaped groove which is matched with the dust collection pipe 3 is formed in the inner side of the upper pressing plate 6, two studs 4 which are symmetrically arranged are fixedly connected to the top of the internal thread block 24, the upper ends of the studs 4 movably penetrate through the upper pressing plate 6, and nuts 5 are sleeved at the upper ends of the studs 4 in a threaded mode.

The dust collection pipe 3 is arranged in the lower arc-shaped groove, then the upper pressing plate 6 is covered, the stud 4 passes through the upper pressing plate 6, the nut 5 is screwed on the upper end of the stud 4, and the nut 5 abuts against the upper pressing plate 6, so that the purpose of fixedly mounting the dust collection pipe 3 is achieved.

In order to intercept and collect dust, a filter screen 10 is detachably mounted in the dust removal box 8, two symmetrically-arranged limiting frames 9 are fixedly connected to the inner wall of the dust removal box 8, the filter screen 10 is inserted between the two limiting frames 9, and after a period of time, the filter screen 10 can be detached and cleaned, so that good use effect of the filter screen 10 is guaranteed.

The top of the dust removal box 8 is rotatably connected with a cover plate 13 through a hinge, so that the dust removal box 8 is convenient to operate.

The hose 7 is made of one of nylon mesh cloth, terylene, thermoplastic or PVC.

In this scheme, dust absorption pipe 3 level sets up, and air inlet 31 is vertical to be set up downwards.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (9)

1. A dust collector for cereal screening, its characterized in that includes screening machine (1), is fixed in backup pad (12) of screening machine (1) one side, fixed mounting has dust removal case (8) on backup pad (12), dust removal case (8) one side fixed mounting has fan (11), dust removal case (8) opposite side intercommunication is provided with hose (7), hose (7) other end fixedly connected with dust absorption pipe (3), be provided with air inlet (31) that a plurality of equidistance set up on dust absorption pipe (3), screening machine (1) top is provided with sharp drive assembly (2), sharp drive assembly (2) are used for driving dust absorption pipe (3) rectilinear motion.

2. The dust collector for grain screening according to claim 1, wherein the linear driving assembly (2) comprises a fixed frame (21) fixed at the top of the screening machine (1), one end of the fixed frame (21) is fixedly connected with a motor (23), the output end of the motor (23) is fixedly connected with a reciprocating screw rod (22), an internal thread block (24) is sleeved on the reciprocating screw rod (22) in a threaded manner, an arc-shaped groove is formed in the top of the internal thread block (24), the dust suction pipe (3) is arranged in the lower arc-shaped groove, and the internal thread block (24) is slidably arranged on the fixed frame (21).

3. The dust collector for grain screening according to claim 2, wherein an upper pressing plate (6) is arranged above the internal thread block (24), two symmetrically arranged studs (4) are fixedly connected to the top of the internal thread block (24), the upper ends of the studs (4) movably penetrate through the upper pressing plate (6), and nuts (5) are sleeved at the upper ends of the studs (4) in a threaded mode.

4. A dust collector for grain screening according to claim 1, characterized in that a filter screen (10) is detachably mounted in the dust collection box (8).

5. The dust collector for grain screening according to claim 4, wherein two symmetrically arranged limiting frames (9) are fixedly connected to the inner wall of the dust collection box (8), and the filter screen (10) is inserted between the two limiting frames (9).

6. A dust collector for grain screening according to claim 1, characterized in that the top of the dust box (8) is pivotally connected with a cover plate (13) by means of a hinge.

7. A dust collector for grain screening according to claim 6, characterized in that the hose (7) is one of nylon mesh, polyester, thermoplastic or PVC material.

8. A dust collector for grain screening according to claim 1, characterized in that the dust suction pipe (3) is arranged horizontally and the air inlet (31) is arranged vertically downwards.

9. A dust collector for grain screening according to claim 3, characterized in that the upper pressure plate (6) has an upper arc-shaped groove inside it which is in contact with the suction pipe (3).