CN115301546B - A multi-mode air-blown sieve cleaning device - Google Patents

Abstract

The invention discloses a multi-mode air-blowing type screening device which comprises a fixed seat, wherein a plurality of air flow nozzles are rotatably arranged on the fixed seat at equal intervals; the fixed seat is also provided with two driving parts, namely a first driving part and a second driving part, which slide at equal speed and in opposite directions relative to the fixed seat; each air flow nozzle is one of two driving parts, and the air flow nozzles connected with the first driving part and the second driving part are alternately arranged at intervals; the first driving piece and the second driving piece are respectively provided with a guide groove, namely a first guide groove and a second guide groove; the air flow nozzle is provided with a guide shaft part which extends into the guide groove of the corresponding driving piece, so that the air flow nozzle connected with the driving piece can rotate when the driving piece moves. The screen cleaning device can be switched between the corresponding cleaning mode and the mutual aid cleaning mode, so that when the cleaning effect of the corresponding cleaning mode is worst, the screen cleaning device can be switched to the mutual aid cleaning mode, the air flow of screen holes is doubled, and the screen cleaning rate is greatly improved.

Description

A multi-mode air-blown sieve cleaning device

technical field

The invention relates to the technical field of agricultural machinery, in particular to a multi-mode air-blown screen cleaning device.

Background technique

In agriculture, when cleaning materials, a cleaning screen is required. In actual use, the sieve holes of the cleaning sieve are easily blocked. In the prior art, there is a technical solution for cleaning the sieve holes by air blowing, as shown in patent CN211756849U. However, in the prior art, the airflow ejection holes are fixed If it is set, it can only spray air to a single position. If the air flow provided by the air source is small, it is difficult to meet the cleaning effect, and it is necessary to replace the air source with a higher pressure. It can be seen that this air flow cleaning mechanism has poor adaptability.

Contents of the invention

Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a multi-mode air blowing sieve cleaning device that can change the sieve cleaning mode to improve the sieve cleaning effect when the sieve cleaning effect is poor.

Technical solution: In order to achieve the above object, the multi-mode air-blown screen cleaning device of the present invention includes a fixed seat on which a plurality of air flow nozzles are equidistantly installed; all the air flow nozzles are relatively Seat rotation installation;

Two driving parts, the first driving part and the second driving part, are also installed on the fixed seat, and the two driving parts slide in opposite directions at a constant speed relative to the fixed seat;

Each of the air flow nozzles is connected to one of the two drive elements, and the air flow nozzles connected to the first drive element and the second drive element are alternately arranged at intervals;

Both the first driving member and the second driving member are formed with guide grooves, which are respectively a first guide groove and a second guide groove;

There is a guide shaft on the air nozzle, and the guide shaft extends into the guide groove of the corresponding driving member, so that the air nozzle connected to the driving member can move turn.

Further, the first guide groove includes a first straight groove section and a first chute section connected to each other;

The second guide groove includes a second straight groove section and a second inclined groove section.

Further, both the first driving member and the second driving member are driven to run by a driving mechanism; the driving mechanism includes two racks installed in one-to-one correspondence with the two driving members, and the two racks parallel to each other and opposite to each other;

The drive mechanism also includes a gear, the gear is placed between the two racks and meshes with both racks;

The drive mechanism also includes a motor that drives the gear to rotate.

Further, the racks are installed on both sides of each of the first driving member and the second driving member; the number of the gears is two, and the two are connected by a synchronous shaft.

Further, sliding slots are provided on the fixing seat corresponding to both sides of the first driving member and both sides of the second driving member, and the sides of the two driving members are respectively opposite to The chute at the corresponding position is slidably installed.

Beneficial effects: the multi-mode air-blown screen cleaning device of the present invention enables the screen cleaning device to switch between the corresponding cleaning mode and the mutual cleaning mode by setting the first driving member and the second driving member that always move in the opposite direction at the same speed , so that when the cleaning effect of the corresponding cleaning mode is the worst, it can be switched to the mutual cleaning mode. In the mutual cleaning mode, the air flow of each sieve hole is doubled, and the cleaning rate is greatly improved.

Description of drawings

Fig. 1 is a perspective view of an air-blown screen cleaning device when in a corresponding cleaning mode;

Fig. 2 is a structural diagram showing hidden lines of the air-blown sieve cleaning device when in the corresponding cleaning mode;

Fig. 3 is the enlarged structural diagram of part A in Fig. 1;

Fig. 4 is B-B sectional view among Fig. 2;

Fig. 5 is a front view structural diagram of the first state of the air-blown screen cleaning device when it is in the mutual cleaning mode;

Fig. 6 is a rear view structural diagram of the first state of the air-blown screen cleaning device when it is in the mutual cleaning mode;

Fig. 7 is the front view structural diagram of the second state of the air-blown screen cleaning device when it is in the mutual cleaning mode;

Fig. 8 is a rear structural diagram of the second state of the air-blown screen cleaning device in the mutual cleaning mode.

In the figure: 1-fixed seat; 11-chute; 2-air flow nozzle; 21-guiding shaft; 3-first driving member; 31-first guiding groove; 311-first straight groove section; 312- 4-the second drive member; 41-the second guide groove; 411-the second straight chute section; 412-the second chute section; 5-drive mechanism; 51-rack; 52-gear ; 53-motor; 54-synchronous shaft.

Implementation

The present invention will be further described below in conjunction with the accompanying drawings.

The multi-mode air-blown screen cleaning device shown in Figure 1-2 includes a fixed seat 1, and a plurality of air flow nozzles 2 are equidistantly installed on the fixed seat 1; all of the air flow nozzles 2 are relative to the The fixed seat 1 is rotated and installed; the fixed seat 1 is also equipped with two driving parts, the first driving part 3 and the second driving part 4, and the two driving parts slide in opposite directions at a constant speed relative to the fixed seat 1 Each of the airflow nozzles 2 is connected to one of the two driving parts, and the airflow nozzles 2 connected to the first driving part 3 and connected to the second driving part 4 are alternately arranged at intervals; Guide grooves are formed on the first driver 3 and the second driver 4, respectively the first guide groove 31 and the second guide groove 41; as shown in Figure 3, the airflow nozzle 2 has a guide shaft portion 21, and the guide shaft portion 21 protrudes into the guide slot of the corresponding driving member, so that the air flow nozzle 2 connected to the driving member can rotate when the driving member moves. Both the first driving member 3 and the second driving member 4 are plate-shaped structures.

Specifically, the first guide groove 31 includes a first straight groove section 311 and a first chute section 312 connected to each other; the second guide groove 41 includes a second straight groove section 411 and a second chute section 412. The shape and layout of the first guide groove 31 and the second guide groove 41 are consistent, and the layout is consistent: if the first straight groove section 311 and the first inclined groove section 312 are arranged up and down, then the second straight groove section 411 and the first chute section 312 are arranged up and down. The second chute section 412 is also arranged up and down. The inclination directions of the first chute section 312 and the second chute section 412 are opposite.

Further, both the first driving member 3 and the second driving member 4 are driven by a driving mechanism 5; as shown in FIG. Two racks 51, two racks 51 are parallel and opposite to each other; the drive mechanism 5 also includes a gear 52, the gear 52 is placed between the two racks 51 and connected to the two racks. The racks 51 are all engaged; the drive mechanism 5 also includes a motor 53 that drives the gear 52 to rotate.

Based on the above structure, the working mode of the sieve cleaning device can be switched between two modes, the two modes are corresponding cleaning mode and mutual cleaning mode.

In the corresponding cleaning mode, as shown in Figure 1-2, all the air nozzles 2 are arranged parallel to each other, and the air nozzles 2 correspond to a row of mesh holes on the screen body one by one, and each air nozzle 2 only cleans the corresponding mesh holes. At this time, the guide shaft portion 21 on each air nozzle 2 is placed in the transition position of the guide groove on the driving member connected to it, that is, the first straight groove section 311 and the first chute in the first guide groove 31 The transition position between the segments 312 , or the transition position between the second straight groove segment 411 and the second chute segment 412 in the second guide groove 41 .

Under the corresponding cleaning mode, by controlling the operation of the motor 53, the two driving parts can be moved at a constant speed and reversed. The guide shaft part 21 of the airflow nozzle 2 connected to the second driver 4 enters the chute section and the straight groove section of the corresponding driver respectively, and the airflow nozzle 2 where the guide shaft part 21 of the chute section enters is located relative to the fixed seat 1 When the rotation occurs, the air flow nozzle 2 where the guide shaft portion 21 entering the straight groove section remains stationary relative to the fixed seat 1. In this way, every other air flow nozzle 2 in all the air flow nozzles 2 can be rotated, and the rotation occurs. After the air flow nozzle 2 is rotated, it is aligned with the sieve hole corresponding to the adjacent air flow nozzle 2. In this way, two air flow nozzles 2 correspond to a sieve hole, and the air flow is doubled, which can greatly improve the blocking removal rate, which is mutual cleaning model.

The specific process is as follows: claim that the airflow nozzle 2 corresponding to the first driver 3 is the first nozzle, and the airflow nozzle 2 corresponding to the second driver 4 is the second nozzle; Drive the two driving parts to move in opposite directions at the same speed, the guide shaft part 21 on the first nozzle enters the first chute section 312, so that the first nozzle rotates, and the guide shaft part 21 on the second nozzle enters the second straight groove Section 411, the second nozzle does not move, as shown in Figure 5-6, at this time, each first nozzle is inclined to the adjacent second nozzle, assisting the second nozzle to clean its corresponding screen hole; then, drive the motor 33 stops rotating for a period of time and reverses, the driving mechanism 5 drives the two driving parts to move in the opposite direction at the same speed, and the guide shafts 21 on the first nozzle and the second nozzle respectively return to the transition positions of the corresponding guide grooves. Then, as the driving mechanism 5 continues to operate, the guide shaft portion 21 on the first nozzle enters the first straight groove section 311, the first nozzle does not move, and the guide shaft portion 21 on the second nozzle enters the second chute section 412, so that the second nozzles rotate relative to the fixed seat 1, as shown in Figures 7-8, so that each second nozzle is inclined to the adjacent first nozzle, assisting the first nozzle to clean its corresponding sieve hole.

Further, the racks 51 are installed on both sides of each of the first driving member 3 and the second driving member 4; the number of the gears 52 is two, and there is a The synchronous shaft 54 is connected. Slide grooves 11 are provided on the fixed seat 1 corresponding to both sides of the first driving member 3 and both sides of the second driving member 4, and the sides of the two driving members are opposite to each other. The sliding groove 11 in the corresponding position is slidably installed.

Through the above structure, both the first driving member 3 and the second driving member 4 can move smoothly relative to the fixed base 1 .

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also possible. It should be regarded as the protection scope of the present invention.

Claims (4)

1. A multi-mode air-blowing screen cleaning device, which includes a fixed seat (1), and a plurality of airflow nozzles (2) are equidistantly installed on the fixed seat (1); all the airflow nozzles (2) Rotate and install relative to the fixed base (1); characterized in that: The fixed seat (1) is also installed with two driving parts, the first driving part (3) and the second driving part (4), and the two driving parts are opposite to the fixed seat (1) at a constant speed. slide to Each of the airflow nozzles (2) is connected to one of the two driving parts, and is connected to the first driving part (3) and the airflow nozzle ( 2) Interleaved interval setting; Guiding grooves are formed on the first driving part (3) and the second driving part (4), which are respectively the first guiding groove (31) and the second guiding groove (41); The air flow nozzle (2) has a guide shaft (21), and the guide shaft (21) protrudes into the guide groove of the corresponding driving part, so that the driving part moves The air flow nozzle (2) connected to it can rotate; Both the first driving part (3) and the second driving part (4) are driven to run by the driving mechanism (5); Two racks (51), the two racks (51) are arranged parallel to each other and facing each other; The driving mechanism (5) further includes a gear (52), the gear (52) is placed between the two racks (51) and meshes with both racks (51); The driving mechanism (5) also includes a motor (53) that drives the gear (52) to rotate. 2. The multi-mode air-blown screen cleaning device according to claim 1, characterized in that, the first guide groove (31) includes a first straight groove section (311) and a first chute connected to each other section(312); The second guide groove (41) includes a second straight groove section (411) and a second inclined groove section (412). 3. The multi-mode air-blown screen cleaning device according to claim 1, characterized in that, both sides of each of the first driving member (3) and the second driving member (4) are The racks (51) are installed respectively; the number of the gears (52) is two, and the two are connected by a synchronous shaft (54). 4. The multi-mode air-blown screen cleaning device according to claim 3, characterized in that, the fixed seat (1) corresponds to the two sides of the first driving member (3) and the second Slide slots (11) are provided on both sides of the drive piece (4), and the side parts of the two drive pieces are slidably installed relative to the slide slots (11) at corresponding positions.

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