Pre-screening device on mushroom screening machine and mushroom screening machine

Abstract

The utility model relates to the technical field of mushroom processing, and discloses a pre-screening device on a mushroom screening machine and the mushroom screening machine, the pre-screening device comprises a screening box and a feed hopper, three groups of placing frames are fixed in an inner cavity of the screening box, and screening frames are placed in inner cavities of the placing frames; a first through hole, a second through hole and a third through hole are formed in the middle screening frame, the containing frame and the upper end containing frame correspondingly, connecting rods are inserted into the first through hole, the second through hole and the third through hole, a motor is installed on the rear side wall face of the screening box, a cam is installed at the output shaft end of the motor, and two electric push rods are fixedly connected to the inner wall face of the screening box. Mounting frames are fixed to the extending ends of the electric push rods, and mounting grooves, compression springs, mounting plates and a plurality of stirring shovels are arranged on the mounting frames. According to the shiitake mushroom screening device, shiitake mushrooms are screened through the three screening frames, the screening frames in the middle and at the upper end are vibrated and screened through cooperation of the motor, the cam and the connecting rod, and the shiitake mushrooms are turned over more thoroughly through cooperation of the compression spring and the stirring shovel.

Description

Technical Field

[0001] The utility model relates to the technical field of mushroom processing, in particular to a pre-screening device on a mushroom screening machine and the mushroom screening machine. Background Art

[0002] After searching, application number CN202120868355.8 discloses a mushroom processing and screening device, including a base, a tilted and hollow protective cover fixed on the top of the base, a screening cylinder movably installed in the inner cavity of the protective cover, and the left side of the screening cylinder extends to the outside of the protective cover, and a feed hopper is arranged at the right entrance of the screening cylinder. The utility model relates to the field of mushroom processing technology. The mushroom processing and screening device can greatly speed up the screening efficiency of mushrooms of different sizes by setting a screening device with opposite directions, so that the mushrooms can be quickly separated, and each screening mechanism is independent of each other and does not interfere with each other, and there will be no jumping phenomenon. Furthermore, in order to improve the screening efficiency, a funnel is built into the screening cylinder to increase the screening space, increase the time for screening the mushrooms, and ensure that the mushrooms can be screened.

[0003] In the above-mentioned prior art solution, shiitake mushrooms enter the screening drum through the feed hopper for screening, but a large number of shiitake mushrooms are directly poured in and the screening drum is tilted. Smaller shiitake mushrooms may not be directly screened out from the first screening hole. They may also directly enter the tail of the screening drum from the funnel and be screened out from other screening holes, resulting in poor screening effect of shiitake mushrooms.

[0004] Therefore, we propose a pre-screening device on a shiitake mushroom screening machine and a shiitake mushroom screening machine. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a pre-screening device on a mushroom screening machine and a mushroom screening machine.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pre-screening device on a mushroom screening machine and a mushroom screening machine, comprising a screening box and a feed hopper, three groups of placement frames are fixed in the inner cavity of the screening box, screening frames are placed in the inner cavities of the placement frames, the middle screening frame, the placement frame and the upper placement frame are respectively provided with a first through hole, a second through hole and a third through hole, connecting rods are inserted in the first through hole, the second through hole and the third through hole, a motor is installed on the rear wall of the screening box, a cam is installed on the output shaft end of the motor, two electric push rods are fixedly connected to the inner wall of the screening box, and the protruding ends of the electric push rods are fixed with mounting frames, and the mounting frames are provided with mounting grooves, compression springs, mounting plates and multiple toggle shovels.

[0007] Preferably, the feed hopper is of a Y-shaped structure, and buffer plates are obliquely provided on the wall surfaces on both sides of the inner cavity of the feed hopper.

[0008] Preferably, the mounting grooves are opened on the two side wall surfaces of the two mounting frames, the compression spring is fixedly connected to the inner cavity of the mounting groove, the mounting plate is fixed to the bottom of the compression spring, the two ends of the mounting plate are limited in the inner cavity of the mounting groove, and the shifting shovel is fixed to the bottom of the mounting plate.

[0009] Preferably, the first through hole is opened at the top of both ends of the middle screening frame, the second through hole is opened at the position of the middle placement frame corresponding to the first through hole, and the third through hole is opened at the bottom of the upper placement frame and at a position corresponding to the second through hole.

[0010] Preferably, the top of the connecting rod fits with the bottom of the upper screening frame, and the cam fits with the bottom of the middle screening frame.

[0011] Preferably, the apertures of the sieve holes on the screening frame decrease in sequence, and the three groups of placement frames are all C-shaped structures.

[0012] Beneficial Effects

[0013] The utility model provides a pre-screening device on a mushroom screening machine and a mushroom screening machine, which has the following beneficial effects:

[0014] 1. The pre-screening device and mushroom screening machine on the mushroom screening machine screen mushrooms through three screening frames, and the middle and upper screening frames are vibrated and screened through the cooperation of the motor, cam and connecting rod, and the mushrooms are turned more thoroughly through the cooperation of the compression spring and the toggle shovel.

[0015] 2. The pre-screening device on the mushroom screening machine and the mushroom screening machine can effectively prevent excessive mushrooms from flowing into the inner cavity of the screening box at one time through the buffer plate setting, thereby improving the uniformity and efficiency of the screening process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0018] Figure 1Schematic three-dimensional structure diagram of the present utility model;

[0019] Figure 2 Schematic diagram of the inner cavity of the screening box and the feed hopper structure of the present utility model;

[0020] Figure 3 Schematic diagram of the details of the placement frame and the screening frame of the present utility model.

[0021] Legend description:

[0022] 1. Screening box; 2. Feed hopper; 201. Buffer plate; 3. Motor; 301. Cam; 4. Placement frame; 401. Screening frame; 402. First through hole; 403. Link rod; 404. Second through hole; 405. Third through hole; 5. Electric push rod; 6. Installation frame; 601. Installation groove; 602. Compression spring; 603. Installation plate; 604. Stirring shovel. Specific implementation mode

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0024] Embodiment: A pre-screening device on a shiitake mushroom screening machine, as Figures 1-3 shown, including a screening box 1, a Y-shaped feed hopper 2 is connected to the top of the screening box 1, buffer plates 201 are inclined on both side wall surfaces of the inner cavity of the feed hopper 2, the two buffer plates 201 are connected at different heights in the inner cavity of the feed hopper 2, three groups of placement frames 4 are fixedly connected at equal distances on the two wall surfaces of the inner cavity of the screening box 1, screening frames 401 are placed in the inner cavities of the three groups of placement frames 4, the three groups of placement frames 4 are all of C-shaped structure, the pore diameters of the sieve holes on the screening frames 401 decrease in sequence, so as to screen out shiitake mushrooms in sequence from large to small, two first through holes 402 are opened at the top of both ends of the middle screening frame 401, second through holes 404 are opened at the positions corresponding to the first through holes 402 on the middle placement frame 4, third through holes 405 are opened at the positions corresponding to the second through holes 404 at the bottom of the upper placement frame 4, a link rod 403 is inserted into the inner cavities of the first through hole 402, the second through hole 404 and the third through hole 405, the top of the link rod 403 is in contact with the bottom of the upper screening frame 401, a motor 3 is installed at the center of the rear side wall surface of the screening box 1 and located between the middle placement frame 4 and the bottom placement frame 4, a cam 301 is fixedly installed at the output shaft end of the motor 3 and located in the inner cavity of the screening box 1, and the cam 301 is in contact with the bottom of the middle screening frame 401.

[0025] Two electric push rods 5 are fixedly connected to the side wall surface of the inner cavity of the screening box 1. The two electric push rods 5 are located above the upper placement frame 4 and the middle placement frame 4. The protruding ends of the two electric push rods 5 are fixedly connected to the mounting frame 6. The two side wall surfaces of the two mounting frames 6 are provided with mounting grooves 601. The inner cavities of the mounting grooves 601 are fixedly connected with compression springs 602. The bottom of the compression spring 602 is fixedly connected with a mounting plate 603. Both ends of the mounting plate 603 are limited in the inner cavity of the mounting groove 601. A plurality of shifting shovels 604 are installed at the bottom of the mounting plate 603. The shifting shovels 604 fit the inner cavity of the screening frame 401.

[0026] The present application also proposes a mushroom sorting machine, which includes a pre-screening device on the above-mentioned mushroom sorting machine. The specific structure of the pre-screening device on the above-mentioned mushroom sorting machine refers to the above-mentioned embodiment. Since the present mushroom sorting machine adopts all the technical solutions of all the above-mentioned embodiments, it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here one by one.

[0027] The working principle of this utility model:

[0028] When in use, the mushrooms are poured in from the feed hopper 2, and the mushrooms pass through the three screening frames 401 in turn. At the same time, the motor 3 and the electric push rod 5 are started, and the motor 3 drives the cam 301 to rotate. As the middle screening frame 401 moves upward, it drives the connecting rod 403 to apply a thrust upward to drive the upper screening frame 401 upward, and then the middle and upper screening frames 401 are vibrated and screened. The start of the electric push rod 5 drives the shifting shovel 604 to turn over the mushrooms in the inner cavity of the screening frame 401, and under the elastic action of the compression spring 602, the shifting shovel 604 is always in contact with the inner cavity wall of the screening frame 401, so that the mushrooms are turned over more thoroughly. After the screening is completed, the mounting plate 603 is driven upward to drive the shifting shovel 604 upward, thereby taking out the upper screening frame 401, and the middle is operated in the same way, and the connecting rod 403 is moved upward to release the limit on the middle screening frame 401.

[0029] When in use, the buffer plate 201 provided in the inner cavity of the feed hopper 2 can effectively prevent too many mushrooms from flowing into the inner cavity of the screening box 1 at one time, thereby improving the uniformity and efficiency of the screening process.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A pre-screening device on a mushroom screening machine, comprising a screening box (1) and a feed hopper (2), characterized in that: Three groups of placement frames (4) are fixed in the inner cavity of the screening box (1), and screening frames (401) are placed in the inner cavity of the placement frames (4). The middle screening frame (401), the placement frame (4) and the upper placement frame (4) are respectively provided with a first through hole (402), a second through hole (404) and a third through hole (405). Connecting rods (403) are inserted into the first through hole (402), the second through hole (404) and the third through hole (405). A motor (3) is installed on the rear wall of the screening box (1), and a cam (301) is installed on the output shaft end of the motor (3). Two electric push rods (5) are fixedly connected to the inner wall of the screening box (1), and a mounting frame (6) is fixed to the protruding end of the electric push rod (5). The mounting frame (6) is provided with a mounting groove (601), a compression spring (602), a mounting plate (603) and a plurality of shifting shovels (604).

2. The pre-screening device on the mushroom screening machine according to claim 1, characterized in that: The feed hopper (2) is of a Y-shaped structure, and buffer plates (201) are obliquely arranged on the wall surfaces on both sides of the inner cavity of the feed hopper (2).

3. The pre-screening device on the mushroom screening machine according to claim 1, characterized in that: The mounting groove (601) is provided on two side wall surfaces of the two mounting frames (6); the compression spring (602) is fixedly connected to the inner cavity of the mounting groove (601); the mounting plate (603) is fixed to the bottom of the compression spring (602); the two ends of the mounting plate (603) are limited in the inner cavity of the mounting groove (601); and the shifting shovel (604) is fixed to the bottom of the mounting plate (603).

4. The pre-screening device on a mushroom screening machine according to claim 1, characterized in that: The first through hole (402) is opened at the top of both ends of the middle screening frame (401), the second through hole (404) is opened at a position of the middle placement frame (4) corresponding to the first through hole (402), and the third through hole (405) is opened at the bottom of the upper placement frame (4) and at a position corresponding to the second through hole (404).

5. The pre-screening device on the mushroom screening machine according to claim 1, characterized in that: The top of the connecting rod (403) fits with the bottom of the upper screening frame (401), and the cam (301) fits with the bottom of the middle screening frame (401).

6. The pre-screening device on a mushroom screening machine according to claim 1, characterized in that: The apertures of the sieve holes on the screening frame (401) decrease in sequence, and the three groups of placement frames (4) are all C-shaped structures.

7. The pre-screening device on a mushroom screening machine according to claim 2, characterized in that: The buffer plates (201) are connected to the inner cavity of the feed hopper (2) in a high and low configuration.

8. A mushroom screening machine, characterized in that: It comprises a pre-screening device on a mushroom screening machine as described in any one of claims 1-7.

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