CN203816908U

CN203816908U - Novel vibrating screen

Info

Publication number: CN203816908U
Application number: CN201420238409.2U
Authority: CN
Inventors: 楼增挺; 章国伦
Original assignee: Ningbo Zheng Guang Food Machinery Co Ltd
Current assignee: Ningbo Zheng Guang Food Machinery Co Ltd
Priority date: 2014-05-07
Filing date: 2014-05-07
Publication date: 2014-09-10
Anticipated expiration: 2024-05-07

Abstract

The utility model discloses a novel vibrating screen which comprises a base. A plurality of buffering springs are fixedly arranged on the upper portion of the base, a screening bed is fixedly arranged at the top ends of the buffering springs, and a vibrating motor is fixedly arranged on the bottom of the screening bed. The screening bed comprises a first screening cavity and a second screening cavity, the first screening cavity is located above the second screening cavity, supporting blocks are fixedly arranged on the front side wall and the rear side wall of the first screening cavity, a first screening plate is fixed to the two supporting blocks, lower supporting blocks are fixedly arranged on the front side wall and the rear side wall of the second screening cavity, a second screening plate is fixed to the lower supporting blocks, the diameter of discharge holes formed in the first screening plate is larger than the diameter of filtering holes formed in the second screening plate, and discharge pipes are arranged on the side wall of the first screening cavity and the side wall, on the same side, of the second screening cavity and are provided with discharge regulating valves. The novel vibrating screen is capable of achieving multi-layer classification of food through one-time screening, and meanwhile the discharge effect is improved by arranging the discharge regulating valves on the discharge pipes to carry out discharge control.

Description

A kind of novel vibrating screen

Technical field:

The utility model relates to food processing technology field, relates in particular a kind of vibratory sieve that graininess food materials is carried out to vibration screening.

Background technology:

Existing food vibratory sieve, it is generally to adopt vibrating motor to vibrate then and classified and then respectively the product of classification is packed by screen plate food, yet, its middle screen plate of existing vibratory sieve is directly weldingly fixed on screening bed, screen holes size is wherein certain, generally can only screen a kind of food, and cannot meet the screening of different food, and, existing vibratory sieve generally can only carry out primary screening, it is two-layer to be that a kind of food can only be divided into, classification layering that cannot be thinner again, cannot meet the special needs of some food.

Meanwhile, the device that control valve and so on is not generally all set on existing discharge nozzle is controlled the speed of discharging, affects the effect of discharging.

Utility model content:

The purpose of this utility model is exactly the deficiency for prior art, and provide a kind of novel vibrating screen, it can be classified to food at many levels by primary screening, meet different classification demands, meanwhile, on its discharge nozzle, be provided with discharging control valve and carry out discharging control, control the speed of discharging, its control accuracy is high, improves the effect of discharging.

Technology solution of the present utility model is as follows:

A novel vibrating screen, comprises base, and the top of described base is fixed with a plurality of buffer springs, and the top of buffer spring is fixed with screening bed, and the bottom of screening bed is fixed with vibrating motor, and vibrating motor is in base;

Described screening bed comprises the first screening cavity and the second screening cavity, the first screening cavity is above the second screening cavity, on the front side wall of the first screening cavity and rear wall, be all fixed with back-up block, the first screen plate is fixed on two back-up blocks, on the front side wall of the second screening cavity and rear wall, be also fixed with lower support piece, the second screen plate is fixed on two lower support pieces, the diameter that forms material-dropping hole on the first screen plate is greater than the filter bores forming on the second screen plate, on the same sidewall of the first screening cavity and the second screening cavity, form discharge opening, on the same sidewall of the first screening cavity and the second screening cavity, be all fixed with discharge nozzle, discharge nozzle communicates with discharge opening,

On discharge nozzle, be equipped with discharging control valve.

The bottom of described screening bed is fixed with vibrating motor fixed mount, between the connecting rod of vibrating motor fixed mount and the base plate of screening bed, is 30 °～60 ° angles, and vibrating motor is fixed on the fixed head of vibrating motor fixed mount, and fixed head is vertical with connecting rod.

Described discharging regulating valve structure is, on the outer wall of the rear wall of the first screening cavity or the second screening cavity, be fixed with the piece that is spirally connected, adjusting screw(rod) is screwed onto and is spirally connected in piece, its bottom is stretched out the piece that is spirally connected downwards, in the vertical groove that adjustable plate sleeve forms in the two side of discharge nozzle, adjustable plate covers discharge opening, and the bottom of adjusting screw(rod) is hinged on the hinged block being fixed with on adjustable plate.

Described back-up block is identical with lower support block structure, it is the strip block that cross section is L-type, the both sides of the first screen plate are pressed against in the bottom side portion of two back-up blocks, the both sides of the second screen plate are pressed against in the bottom side portion of two lower support pieces, the two ends of the first screen plate and the second screen plate all form elongate recesses, the bottom surface of press strip forms vertical raised item, two press strips are pressed against the both sides of the first screen plate and are bolted to connection in the upper plane of back-up block, another two press strips are pressed against the both sides of the second screen plate and are bolted to connection in the upper plane of lower support piece, the equal sleeve of vertical raised item of press strip is in elongate recesses.

The beneficial effects of the utility model are:

1, it can be classified to food at many levels by primary screening, meets different classification demands, meanwhile, is provided with discharging control valve and carries out discharging control on its discharge nozzle, controls the speed of discharging, and its control accuracy is high, improves the effect of discharging.

2, between the connecting rod of vibrating motor fixed mount and the base plate of excitor, be 30 °～60 ° angles, fixed head is vertical with connecting rod, make like this vertical stress component of the exciting force of vibrating motor generation produce vibration and food is carried out to category filter, the acting in conjunction of its horizontal component and vertical stress component makes the food falling carry out layering and the discharging from discharge nozzle of beating forward by material-dropping hole and filter bores hole.

Accompanying drawing explanation:

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the partial enlarged drawing of Fig. 1.

The specific embodiment:

Embodiment: see shown in Fig. 1 to 2 that a kind of novel vibrating screen comprises base 10, the top of described base 10 is fixed with a plurality of buffer springs 1, the top of buffer spring 1 is fixed with screening bed 20, and the bottom of screening bed 20 is fixed with vibrating motor 2, and vibrating motor 2 is in base 10;

Described screening bed 20 comprises the first screening cavity 21 and the second screening cavity 22, the first screening cavity 21 is above the second screening cavity 22, on the front side wall of the first screening cavity 21 and rear wall, be all fixed with back-up block 3, the first screen plate 4 is fixed on two back-up blocks 3, on the front side wall of the second screening cavity 22 and rear wall, be also fixed with lower support piece 5, the second screen plate 6 is fixed on two lower support pieces 5, the diameter that forms material-dropping hole 41 on the first screen plate 4 is greater than the filter bores 61 forming on the second screen plate 6, such the first screen plate 4 carries out layering for the first time to the food above it, satisfactory food is retained between the first screen plate 4 and the second screen plate 6, and this food carries out secondary stratification by the second screen plate 6 again, the food that meets the second screen plate 6 is entered in the second screening cavity 22, on the same sidewall of the first screening cavity 21 and the second screening cavity 22, form discharge opening 7, on the same sidewall of the first screening cavity 21 and the second screening cavity 22, be all fixed with discharge nozzle 8, discharge nozzle 8 communicates with discharge opening 7, the food of layering finally packs into different packaging bags or packaging facilities and packs from discharge nozzle 8 dischargings like this.

On discharge nozzle 8, be equipped with discharging control valve 30.

The bottom of described screening bed 20 is fixed with vibrating motor fixed mount 23, between the base plate of the connecting rod 231 of vibrating motor fixed mount 23 and screening bed 20, be 30 °～60 ° angles, vibrating motor 2 is fixed on the fixed head 232 of vibrating motor fixed mount 23, and fixed head 232 is vertical with connecting rod 231.

Described discharging control valve 30 structures are, on the outer wall of the rear wall of the first screening cavity 21 or the second screening cavity 22, be fixed with the piece 31 that is spirally connected, adjusting screw(rod) 32 is screwed onto and is spirally connected in piece 31, its bottom is stretched out the piece 31 that is spirally connected downwards, in the vertical groove 81 that adjustable plate 33 sleeves form in the two side of discharge nozzle 8, adjustable plate 33 covers discharge opening 7, and the bottom of adjusting screw(rod) 32 is hinged on the hinged block 34 being fixed with on adjustable plate 33.

Described back-up block 3 is identical with lower support piece 5 structures, it is the strip block that cross section is L-type, the both sides of the first screen plate 4 are pressed against in the bottom side portion of two back-up blocks 3, the both sides of the second screen plate 6 are pressed against in the bottom side portion of two lower support pieces 5, the two ends of the first screen plate 4 and the second screen plate 6 all form elongate recesses 9, the bottom surface of press strip 100 forms vertical raised item 101, two press strips 100 are pressed against the both sides of the first screen plate 4 and are bolted to connection in the upper plane of back-up block 3, another two press strips 100 are pressed against the both sides of the second screen plate 6 and are bolted to connection in the upper plane of lower support piece 5, the equal sleeve of vertical raised item 101 of press strip 100 is in elongate recesses 9.

Its first screen plate 4 and the second screen plate 6 all can be changed as required, it can unload the first screen plate 4 and the second screen plate 6 by unloading press strip 100, very convenient, the equal sleeve of its vertical raised item 101, in elongate recesses 9, can improve the fixing effect of compacting.

And 30 needs of discharging control valve can move up and down adjustable plate 33 by rotating adjusting screw(rod) 32, thus the speed of adjusting discharging, its degree of regulation is high, and discharging is effective.

Claims

1. a novel vibrating screen, comprise base (10), it is characterized in that: the top of described base (10) is fixed with a plurality of buffer springs (1), the top of buffer spring (1) is fixed with screening bed (20), the bottom of screening bed (20) is fixed with vibrating motor (2), and vibrating motor (2) is in base (10);

Described screening bed (20) comprises the first screening cavity (21) and the second screening cavity (22), the first screening cavity (21) is in the top of the second screening cavity (22), on the front side wall of the first screening cavity (21) and rear wall, be all fixed with back-up block (3), the first screen plate (4) is fixed on two back-up blocks (3), on the front side wall of the second screening cavity (22) and rear wall, be also fixed with lower support piece (5), the second screen plate (6) is fixed on two lower support pieces (5), the diameter that forms material-dropping hole (41) on the first screen plate (4) is greater than the filter bores (61) forming on the second screen plate (6), on the same sidewall of the first screening cavity (21) and the second screening cavity (22), form discharge opening (7), on the same sidewall of the first screening cavity (21) and the second screening cavity (22), be all fixed with discharge nozzle (8), discharge nozzle (8) communicates with discharge opening (7),

On discharge nozzle (8), be equipped with discharging control valve (30).

2. a kind of novel vibrating screen according to claim 1, it is characterized in that: the bottom of described screening bed (20) is fixed with vibrating motor fixed mount (23), between the base plate of the connecting rod (231) of vibrating motor fixed mount (23) and screening bed (20), be 30 °～60 ° angles, vibrating motor (2) is fixed on the fixed head (232) of vibrating motor fixed mount (23), and fixed head (232) is vertical with connecting rod (231).

3. a kind of novel vibrating screen according to claim 1, it is characterized in that: described discharging control valve (30) structure is, on the outer wall of the rear wall of the first screening cavity (21) or the second screening cavity (22), be fixed with the piece that is spirally connected (31), adjusting screw(rod) (32) is screwed onto in the piece that is spirally connected (31), its bottom is stretched out the piece that is spirally connected (31) downwards, in the vertical groove (81) that adjustable plate (33) sleeve forms in the two side of discharge nozzle (8), adjustable plate (33) covers discharge opening (7), the bottom of adjusting screw(rod) (32) is hinged on the hinged block (34) being fixed with on adjustable plate (33).

4. a kind of novel vibrating screen according to claim 1, it is characterized in that: described back-up block (3) is identical with lower support piece (5) structure, it is the strip block that cross section is L-type, the both sides of the first screen plate (4) are pressed against in the bottom side portion of two back-up blocks (3), the both sides of the second screen plate (6) are pressed against in the bottom side portion of two lower support pieces (5), the two ends of the first screen plate (4) and the second screen plate (6) all form elongate recesses (9), the bottom surface of press strip (100) forms vertical raised item (101), two press strips (100) are pressed against the both sides of the first screen plate (4) and are bolted to connection in the upper plane of back-up block (3), another two press strips (100) are pressed against the both sides of the second screen plate (6) and are bolted to connection in the upper plane of lower support piece (5), the equal sleeve of vertical raised item (101) of press strip (100) is in elongate recesses (9).