Raw material screening device for vacuum freeze-dried vegetable production

Abstract

The raw material screening device for vacuum freeze-dried vegetable production comprises a screening box, the left side and the bottom of an inner cavity of the screening box are connected with a screening mechanism through bolts, the right side and the top of the screening box are communicated with a dust collection mechanism, the rear side of the screening box is connected with a turnover mechanism through bolts, and the turnover mechanism is connected with a dust collection mechanism through bolts. And the front side of the turnover mechanism penetrates to the front side of the inner cavity of the screening box. Through cooperative use of the collecting box, the feeding hopper, the slag discharging pipe, the box body, the supporting plate, the discharging pipe, an exhaust fan, a dust filtering net plate, a dust filtering box, a dust suction hood, a connecting air pipe, an overturning rod, a first rotating rod, a motor, a second rotating rod, a mounting frame, a screening net plate, a vibration motor and a supporting spring, the overturning function is achieved, raw materials can be conveniently overturned in the screening process, and the screening efficiency is improved. The vegetable screening device has the advantages that impurities in vegetables can be shaken off, screening is more thorough, the dust collection function is achieved, and raised dust generated in the screening process can be collected.

Description

Technical Field

[0001] The utility model relates to the technical field of freeze-dried food production, in particular to a raw material screening device for vacuum freeze-dried vegetable production. Background Art

[0002] Freeze-dried food has a porous sponge-like structure, which allows water to easily enter when it is rehydrated. The freeze-dried products available on the market include vegetables, fruits, meat and poultry, aquatic products, convenience foods, beverages, seasonings, health foods, food industry raw materials and other products. The food is first frozen at low temperature and then heated and dried under vacuum conditions, so that the water formed in the food by freezing is directly converted from solid to gas and evaporated, so it is also called sublimation dried food.

[0003] The nutrients in vacuum freeze-dried vegetables can be preserved intact for a long time. Since the food is dehydrated under vacuum conditions, the internal tissues and vascular systems of the food are rarely damaged. After rehydration, the original properties and taste of the food can be restored. They are generally packaged in small packages, so they are very convenient to carry. During the production process of vacuum freeze-dried vegetables, a screening device is required to screen out the mixed debris in the raw materials. The existing raw material screening device cannot turn the vegetables over during the screening process, so the debris inside the vegetable raw materials cannot be screened out, the screening is not thorough enough, affecting subsequent processing, and it is inconvenient to collect the dust generated during the screening process. Utility Model Content

[0004] The utility model aims to provide a raw material screening device for vacuum freeze-dried vegetable production, which has a flipping function, can conveniently flip the raw materials during the screening process, can shake off impurities inside the vegetables, and screen more thoroughly, and has a dust suction function, which can collect the dust generated during the screening process. It solves the problems that the existing raw material screening device cannot flip the vegetables during the screening process, the debris inside the vegetable raw materials cannot be screened out, the screening is not thorough enough, which affects the subsequent processing, and it is inconvenient to collect the dust generated during the screening process.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raw material screening device for vacuum freeze-dried vegetable production, comprising a screening box, a screening mechanism is connected to the left side and the bottom of the inner cavity of the screening box by bolts, a dust suction mechanism is connected to the right side and the top of the screening box, a flipping mechanism is connected to the rear side of the screening box by bolts, the front side of the flipping mechanism passes through the front side of the inner cavity of the screening box, the four corners of the bottom of the screening box are connected to support columns by bolts, a placement plate is welded between the left and right support columns, a collecting box is movably connected to the left side of the top of the placement plate, a belt conveyor mechanism is connected to the right side of the top of the placement plate by bolts, and a feed hopper is connected to the left side of the top of the screening box.

[0006] Preferably, the screening box comprises a box body, the left and right sides of the bottom of the box body are respectively connected with a slag discharge pipe and a material discharge pipe, the right side of the bottom of the inner cavity of the box body is connected with a support plate by bolts, and the top of the support plate is fixedly connected to the right side of the bottom of the screening mechanism.

[0007] Preferably, the dust suction mechanism includes a dust filter box, the inner cavity of the dust filter box is connected to a dust filter screen by bolts, the left side of the dust filter box is connected to an exhaust fan, the right side of the dust filter box is connected to a connecting air duct, the surface of the connecting air duct is connected to a dust hood, and the side of the dust hood away from the connecting air duct is connected to a screening box.

[0008] Preferably, the flipping mechanism includes a first rotating rod and a mounting frame, the rear side of the mounting frame is connected to a speed reducing mechanism by bolts, the rear side of the speed reducing mechanism is connected to a motor by bolts, the front side of the speed reducing mechanism is fixedly connected to a second rotating rod, the front sides of the second rotating rod and the first rotating rod both penetrate into the inner cavity of the screening box and are movably connected to the front side of the inner cavity of the screening box by bearings, the surfaces of the first rotating rod and the second rotating rod are both provided with flipping rods by bolt sleeves, the rear sides of the surfaces of the first rotating rod and the second rotating rod are both fixedly provided with transmission wheels, and a transmission belt is provided between the left and right transmission wheels.

[0009] Preferably, the screening mechanism comprises a screening mesh plate, and the four corners of the bottom of the screening mesh plate are connected to a vibration motor via bolts, and the bottom of the vibration motor is fixedly connected to a support spring.

[0010] Preferably, a controller is connected to the left side of the front side of the screening box by bolts, and the output end of the controller is electrically connected to the input ends of the screening mechanism, the dust collection mechanism and the flipping mechanism respectively.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model has a flipping function through the coordinated use of a collecting box, a feeding hopper, a slag discharge pipe, a box body, a support plate, a discharge pipe, an exhaust fan, a dust filter screen, a dust filter box, a dust hood, a connecting air duct, a flip rod, a first rotating rod, a transmission wheel, a transmission belt, a speed reduction mechanism, a motor, a second rotating rod, a mounting frame, a screening screen, a vibration motor and a supporting spring. The utility model can conveniently flip the raw materials during the screening process, can shake off impurities inside the vegetables, and the screening is more thorough. It has a dust suction function and can collect dust generated during the screening process. The utility model is worthy of promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an axonometric drawing of the structure of the utility model;

[0014] Figure 2 This is a front sectional view of the screening box and the dust collecting mechanism of the utility model;

[0015] Figure 3 It is a top sectional view of the screening box and the turning mechanism of the utility model;

[0016] Figure 4 For this utility model Figure 2 A is an enlarged view of the middle image.

[0017] In the figure: 1 screening box, 2 controller, 3 collecting box, 4 feeding hopper, 5 dust suction mechanism, 6 belt conveyor mechanism, 7 slag discharge pipe, 8 box body, 9 support plate, 10 discharge pipe, 11 screening mechanism, 12 turning mechanism, 13 exhaust fan, 14 dust filter screen, 15 dust filter box, 16 dust suction hood, 17 connecting air duct, 18 turning rod, 19 first rotating rod, 20 driving wheel, 21 driving belt, 22 speed reduction mechanism, 23 motor, 24 second rotating rod, 25 mounting frame, 26 screening screen, 27 vibration motor, 28 supporting spring. DETAILED DESCRIPTION

[0018] See also Figure 1-Figure 4 A raw material screening device for vacuum freeze-dried vegetable production comprises a screening box 1, a screening mechanism 11 is connected to the left and bottom of the inner cavity of the screening box 1 by bolts, a dust collecting mechanism 5 is connected to the right and top of the screening box 1, a flipping mechanism 12 is connected to the rear side of the screening box 1 by bolts, and the front side of the flipping mechanism 12 penetrates to the front side of the inner cavity of the screening box 1, the four corners of the bottom of the screening box 1 are connected to support columns by bolts, a placing plate is welded between the left and right supporting columns, a collecting box 3 is movably connected to the left side of the top of the placing plate, a belt conveying mechanism 6 is connected to the right side of the top of the placing plate by bolts, and a feed hopper 4 is connected to the left side of the top of the screening box 1;

[0019] The screening box 1 comprises a box body 8, the left and right sides of the bottom of the box body 8 are respectively connected with a slag discharge pipe 7 and a material discharge pipe 10, the right side of the bottom of the inner cavity of the box body 8 is connected with a support plate 9 by bolts, and the top of the support plate 9 is fixedly connected to the right side of the bottom of the screening mechanism 11;

[0020] The dust collecting mechanism 5 comprises a dust filter box 15, the inner cavity of the dust filter box 15 is connected with a dust filter screen 14 by bolts, the left side of the dust filter box 15 is connected with an exhaust fan 13, the right side of the dust filter box 15 is connected with a connecting air duct 17, the surface of the connecting air duct 17 is connected with a dust collecting hood 16, and the side of the dust collecting hood 16 away from the connecting air duct 17 is connected with the screening box 1;

[0021] The flip mechanism 12 includes a first rotating rod 19 and a mounting frame 25, the rear side of the mounting frame 25 is connected with a speed reducing mechanism 22 by bolts, the rear side of the speed reducing mechanism 22 is connected with a motor 23 by bolts, the front side of the speed reducing mechanism 22 is fixedly connected with a second rotating rod 24, the front sides of the second rotating rod 24 and the first rotating rod 19 are both penetrated into the inner cavity of the screening box 1 and are movably connected to the front side of the inner cavity of the screening box 1 through a bearing, the surfaces of the first rotating rod 19 and the second rotating rod 24 are both provided with a flip rod 18 by bolt sleeves, the rear sides of the surfaces of the first rotating rod 19 and the second rotating rod 24 are both fixedly provided with a transmission wheel 20, and a transmission belt 21 is provided between the left and right transmission wheels 20;

[0022] The screening mechanism 11 includes a screening mesh plate 26, and the four corners of the bottom of the screening mesh plate 26 are connected to a vibration motor 27 by bolts, and the bottom of the vibration motor 27 is fixedly connected to a support spring 28;

[0023] The left side of the front side of the screening box 1 is connected with a controller 2 by bolts, and the output end of the controller 2 is electrically connected to the input ends of the screening mechanism 11, the dust collection mechanism 5 and the turning mechanism 12 respectively.

[0024] By providing a support spring 28, the vibration motor 27 can be supported, so that the vibration motor 27 can drive the screening mesh plate 26 to vibrate;

[0025] By providing the speed reduction mechanism 22, the rotation speed of the second rotating rod 24 can be controlled;

[0026] By providing the support plate 9, the right side of the screening mechanism 11 can be conveniently supported and fixed.

[0027] When in use, the controller 2 controls the vibration motor 27 to work and drive the screening mesh plate 26 to vibrate. At this time, the vegetables are poured into the box body 8 through the feed hopper 4 and fall onto the screening mesh plate 26. The vibrating screening mesh plate 26 vibrates and screens the vegetables. Impurities on the vegetables are shaken off onto the screening mesh plate 26, pass through the mesh holes of the screening mesh plate 26 and fall to the bottom of the box body 8, and flow into the collection box 3 through the slag discharge pipe 7 for collection. During the vibration screening process, the vegetables move to the right due to the effect of the center of gravity. At this time, the motor 23 is controlled to work, and the motor 23 drives the second rotating rod 24 to rotate counterclockwise through the reduction mechanism 22. The second rotating rod 24 drives the first rotating rod 19 to rotate counterclockwise through the transmission belt 21 and the transmission wheel 20, and the flip rod 18 on the surface of the first rotating rod 19 and the second rotating rod 24 rotates accordingly. Rotate counterclockwise, the counterclockwise rotating flip rod 18 flips the vegetables moved to the bottom, so that the vegetables inside can be flipped to the outside, so that the impurities on the internal vegetables will also be shaken off, and the screening is more thorough. During the screening process, the vegetables are vibrated, and the dust attached to the surface of the vegetables is shaken off and flies in the box 8. At this time, the exhaust fan 13 is controlled to work, and the exhaust fan 13 sucks the flying dust in the box 8 into the dust filter box 15 through the connecting air duct 17 and the dust hood 16. The dust filter mesh plate 14 in the dust filter box 15 filters the dust in the air, so that the dust in the box 8 can be collected, and the screened vegetables fall onto the belt conveyor mechanism 6 through the discharge pipe 10, and the belt conveyor mechanism 6 is controlled to work to move the vegetables to the right to enter the next process.

[0028] To sum up: the raw material screening device for vacuum freeze-dried vegetable production, through the collection box 3, the feed hopper 4, the slag discharge pipe 7, the box body 8, the support plate 9, the discharge pipe 10, the exhaust fan 13, the dust filter screen 14, the dust filter box 15, the dust hood 16, the connecting air duct 17, the flip rod 18, the first rotating rod 19, the transmission wheel 20, the transmission belt 21, the reduction mechanism 22, the motor 23, the second rotating rod 24, the mounting frame 25, the screening screen 26, the vibration motor 27 and the support spring 28, solves the problem that the existing raw material screening device cannot flip the vegetables during the screening process, the debris inside the vegetable raw materials cannot be screened out, the screening is not thorough enough, which affects the subsequent processing, and it is inconvenient to collect the dust generated during the screening process.

Claims

1. A raw material screening device for vacuum freeze-dried vegetable production, comprising a screening box (1), characterized in that: The left side and the bottom of the inner cavity of the screening box (1) are connected to a screening mechanism (11) by bolts, the right side and the top of the screening box (1) are connected to a dust collecting mechanism (5), the rear side of the screening box (1) is connected to a flipping mechanism (12) by bolts, the front side of the flipping mechanism (12) penetrates to the front side of the inner cavity of the screening box (1), the four corners of the bottom of the screening box (1) are connected to support columns by bolts, a placement plate is welded between the left and right support columns, the left side of the top of the placement plate is movably connected to a collecting box (3), the right side of the top of the placement plate is connected to a belt conveying mechanism (6) by bolts, and the left side of the top of the screening box (1) is connected to a feed hopper (4).

2. The raw material screening device for vacuum freeze-dried vegetable production according to claim 1, characterized in that: The screening box (1) comprises a box body (8), the left and right sides of the bottom of the box body (8) are respectively connected to a slag discharge pipe (7) and a material discharge pipe (10), the right side of the bottom of the inner cavity of the box body (8) is connected to a support plate (9) by bolts, and the top of the support plate (9) is fixedly connected to the right side of the bottom of the screening mechanism (11).

3. The raw material screening device for vacuum freeze-dried vegetable production according to claim 1, characterized in that: The dust suction mechanism (5) comprises a dust filter box (15), the inner cavity of the dust filter box (15) being connected to a dust filter screen (14) via bolts, the left side of the dust filter box (15) being connected to an exhaust fan (13), the right side of the dust filter box (15) being connected to a connecting air duct (17), the surface of the connecting air duct (17) being connected to a dust suction hood (16), and the side of the dust suction hood (16) away from the connecting air duct (17) being connected to the screening box (1).

4. The raw material screening device for vacuum freeze-dried vegetable production according to claim 1, characterized in that: The flip mechanism (12) comprises a first rotating rod (19) and a mounting frame (25); the rear side of the mounting frame (25) is connected to a speed reducing mechanism (22) by bolts; the rear side of the speed reducing mechanism (22) is connected to a motor (23) by bolts; the front side of the speed reducing mechanism (22) is fixedly connected to a second rotating rod (24); the front sides of the second rotating rod (24) and the first rotating rod (19) both penetrate the inner cavity of the screening box (1) and are movably connected to the front side of the inner cavity of the screening box (1) by bearings; the surfaces of the first rotating rod (19) and the second rotating rod (24) are both provided with a flip rod (18) by bolt sleeves; the rear sides of the surfaces of the first rotating rod (19) and the second rotating rod (24) are both fixedly provided with a transmission wheel (20); a transmission belt (21) is provided between the left and right transmission wheels (20).

5. The raw material screening device for vacuum freeze-dried vegetable production according to claim 1, characterized in that: The screening mechanism (11) comprises a screening mesh plate (26), the four corners of the bottom of the screening mesh plate (26) are connected to a vibration motor (27) via bolts, and the bottom of the vibration motor (27) is fixedly connected to a support spring (28).

6. The raw material screening device for vacuum freeze-dried vegetable production according to claim 1, characterized in that: A controller (2) is connected to the left side of the front side of the screening box (1) via bolts, and an output end of the controller (2) is electrically connected to input ends of the screening mechanism (11), the dust collection mechanism (5) and the turning mechanism (12), respectively.

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