CN216125704U - Raw materials preprocessing device for feed processing with screening function - Google Patents

Abstract

The utility model discloses a raw material pretreatment device with a screening function for feed processing, which comprises a box body, the utility model is characterized in that the left side and the right side of the inner cavity of the box body are fixedly connected with dust suction pumps near the middle positions, the utility model shakes raw materials by the mutual matching of a first filter screen, a connecting plate, a dust suction pump, a first shaking plate, a second shaking plate, a connecting rod, an L-shaped plate, a sliding block, a sliding chute, a cross rod, a rectangular groove, a limiting plate, a limiting rod, a rotating disc, a fixed shaft and a second motor, and dust is adsorbed by the dust suction pumps in the shaking process, the crushed raw materials can be shaken and sieved by the mutual matching of the frame body, the second filter screen, the second rotating rod, the driving gear, the rack, the electric telescopic rod and the collecting tank, the sieving efficiency is improved, the utility model reduces the use cost, and the device has the characteristics of dust treatment, screening and the like through a series of structures.

Description

Raw materials preprocessing device for feed processing with screening function

Technical Field

The utility model relates to the technical field of feed processing, in particular to a raw material pretreatment device with a screening function for feed processing.

Background

The feed is a general term of food of raised animals, the requirements for meat quality are raised along with the improvement of living standard of people, the quality of the feed is directly related to the meat quality of the raised animals, the feed is mainly prepared from raw materials such as grains containing a large amount of starch, seeds, root or tuber feed additives and the like according to a certain proportion, and the raw materials are required to be pretreated before processing.

Present raw materials preprocessing device for feed processing lacks dust treatment mechanism, because its surface of feed ingredient is stained with easily at dry back and attaches impurity such as dust to can cause the influence to the quality of fodder, and present preprocessing device lacks screening mechanism, thereby has the raw material granule of different sizes in making the feed ingredient after handling, need sieve once more through screening plant, has increased use cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that dust cannot be treated and screened in the prior art, and provides a raw material pretreatment device with a screening function for feed processing. The raw material pretreatment device with the screening function for feed processing has the characteristics of capability of treating dust, screening and the like.

In order to achieve the purpose, the utility model provides the following technical scheme: a raw material pretreatment device with a screening function for feed processing comprises a box body, wherein the left side and the right side of the inner cavity of the box body, which are close to the middle position, are fixedly connected with a dust suction pump, the middle position at the top of the box body is spliced with a feeding funnel, a baffle is fixedly connected to the position, close to the top, of the inner cavity of the box body, a crushing mechanism is arranged at the top of the baffle, two first filter screens are arranged at the bottom of the baffle, the two first filter screens are arranged on the left and the right, a shaking mechanism is arranged between the two first filter screens, the bottoms of the two first filter screens far away from one side are fixedly connected with a connecting plate, and one side of the connecting plate, which is far away from the first filter screen, is fixedly connected with the side wall of the inner cavity of the box body, a first opening is arranged at the bottom of the front side of the box body, the bottom of the inner cavity of the box body is provided with a collecting tank, and the top of the collecting tank is provided with a screening mechanism.

Preferably, the crushing mechanism comprises two crushing rollers which are arranged in a left-right manner, the inner cavities of the two crushing rollers are respectively provided with a first rotating rod in a penetrating manner, the rear side of the box body, close to the top, is fixedly connected with two first bearings, the two first bearings are arranged in a left-right manner, the rear ends of the two first rotating rods respectively penetrate through the adjacent first bearings and are fixedly connected with transmission gears, the two transmission gears are mutually meshed, the first rotating rod on the right side is sleeved with a first single grooved pulley close to the rear end, the bottom of the crushing roller is provided with a rotating shaft, the top and the bottom of the rotating shaft are respectively and fixedly connected with a plurality of crushing rods, the rear side of the box body, close to the bottom, is fixedly connected with a second bearing, the rear end of the rotating shaft penetrates through the inner cavity of the second bearing and is fixedly connected with a second single grooved pulley, a belt is arranged between the first single grooved pulley and the second single grooved pulley, and the first single grooved wheel is connected with the second single grooved wheel through belt transmission, a support is fixedly connected to the rear side of the box body close to the top, a first motor is fixedly connected to the front side of the support, and the power output end of the first motor is fixedly connected with the second single grooved wheel.

Preferably, the baffle roof is close to the equal fixedly connected with swash plate of left and right sides department, just one side and the box inner chamber lateral wall fixed connection of baffle are kept away from to the swash plate, intermediate position department has seted up the second opening on the baffle, just the second opening inner chamber is equipped with the baffle, second opening inner chamber left side bottom fixedly connected with fixed block department, the bottom and the fixed block top of baffle are laminated each other, the fluting has been seted up on the baffle right side, the right side of baffle is pegged graft at the fluting inner chamber to fixedly connected with pull rod, the right side of box is close to top department and sets up the first perforation of mutually matching with the pull rod, the right-hand member of pull rod runs through first perforation inner chamber to fixedly connected with handle.

Preferably, the shaking mechanism comprises a first shaking plate, the left side of the first filter screen on the right side of the first shaking plate is close to the top, the bottom of the first shaking plate is provided with a second shaking plate, the left side of the second shaking plate is hinged to the right side of the first filter screen on the left side of the second shaking plate, a connecting rod is arranged between the first shaking plate and the second shaking plate, the upper end and the lower end of the connecting rod are hinged to the first shaking plate and the second shaking plate respectively, the top of the first shaking plate is hinged to a connecting rod close to the left side, the bottom of the separation plate is provided with an L-shaped plate close to the left side, one end, far away from the first shaking plate, of the connecting rod is hinged to the L-shaped plate, the top of the L-shaped plate is fixedly connected with a sliding block, the bottom of the separation plate is close to the left side and provided with a sliding groove, the sliding block is movably connected to an inner cavity of the sliding groove, and the left side of the L-shaped plate is fixedly connected with a cross rod, the utility model discloses a set up the perforation of horizontal pole, including the box, the box left side is close to intermediate position department fixedly connected with backup pad, just backup pad top fixedly connected with second motor, the power take off end fixedly connected with carousel of second motor, the top of carousel is close to right side department fixedly connected with fixed axle, fixed axle outside cover is equipped with the rectangular channel, the box left side is close to intermediate position department and sets up the second that matches each other and perforates with the horizontal pole, the left end of horizontal pole runs through the second and perforates the inner chamber to with rectangular channel fixed connection.

Preferably, the equal fixedly connected with limiting plate in both sides around the rectangular channel, just set up the third on the limiting plate and perforate, two the third is perforated the inner chamber and all runs through and is equipped with the gag lever post, just the right-hand member and the box left side fixed connection of gag lever post.

Preferably, the box left and right sides is close to bottom department and has all seted up the third opening, just the third opening is located the top of connecting plate, two the third opening inner chamber all is equipped with the dodge gate that matches each other with it, just the front side of dodge gate is equipped with a plurality of hinge, two the dodge gate is respectively through adjacent a plurality of hinge and box swing joint, two the equal fixedly connected with handle of rear side department is close to one side that the dodge gate kept away from mutually.

Preferably, screening mechanism includes the framework, just the framework is located the top of collecting vat, the inner chamber of framework is close to bottom department fixedly connected with second filter screen, the equal fixedly connected with second bull stick of the framework left and right sides, the box inner chamber left and right sides is close to the equal fixedly connected with third bearing of bottom department, the one end that the framework was kept away from to the second bull stick is pegged graft at the third bearing inner chamber, is located the right side the second bull stick outside cover is equipped with drive gear, just drive gear's rear side meshing has the rack, is located the right side connecting plate bottom fixedly connected with electric telescopic handle, just electric telescopic handle's power end and rack top fixed connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the mutual matching of the first filter screen, the connecting plate, the dust suction pump, the first shaking plate, the second shaking plate, the connecting rod, the L-shaped plate, the sliding block, the sliding chute, the cross rod, the rectangular groove, the limiting plate, the limiting rod, the turntable, the fixed shaft and the second motor, raw materials are shaken, and dust is adsorbed by the dust suction pump in the shaking process, so that the quality of the feed is improved;

2. according to the utility model, through the mutual matching among the frame body, the second filter screen, the second rotating rod, the driving gear, the rack, the electric telescopic rod and the collecting tank, the crushed raw materials can be subjected to shaking screening, so that the screening efficiency is improved, and the use cost is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a right side view of the present invention;

fig. 4 is an enlarged view of a point a in fig. 1.

Reference numbers in the figures: 1. a box body; 2. a feed hopper; 3. collecting tank; 4. a crushing roller; 5. a first rotating lever; 6. a rotating shaft; 7. a breaking bar; 8. a baffle plate; 9. a pull rod; 10. a grip; 11. a first filter screen; 12. a first shaking plate; 13. a second shaking plate; 14. a connecting rod; 15. a dust suction pump; 16. an L-shaped plate; 17. a connecting rod; 18. a second motor; 19. a turntable; 20. a frame body; 21. a second filter screen; 22. a second rotating rod; 23. a drive gear; 24. a rack; 25. an electric telescopic rod; 26. a first motor; 27. a second single sheave; 28. a first single sheave; 29. a transmission gear; 30. a movable door; 31. a rectangular groove; 32. a cross bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a raw material pretreatment device with a screening function for feed processing comprises a box body 1, dust suction pumps 15 are fixedly connected to the left side and the right side of an inner cavity of the box body 1 close to an intermediate position, a feed hopper 2 is inserted into the intermediate position of the top of the box body 1, a partition is fixedly connected to the inner cavity of the box body 1 close to the top, a crushing mechanism is arranged at the top of the partition, two first filter screens 11 are arranged at the bottom of the partition, the two first filter screens 11 are arranged in the left and right directions, a shaking mechanism is arranged between the two first filter screens 11, a connecting plate is fixedly connected to the bottoms of the two first filter screens 11 far away from one side, one side of the connecting plate far away from the first filter screens 11 is fixedly connected with the side wall of the inner cavity of the box body 1, a first opening is formed in the bottom of the front side of the box body 1, a collecting tank 3 is arranged at the bottom of the inner cavity of the box body 1, and a screening mechanism is arranged at the top of the collecting tank 3;

the crushing mechanism comprises two crushing rollers 4, the two crushing rollers 4 are arranged in a left-right mode, the inner cavities of the two crushing rollers 4 are respectively provided with a first rotating rod 5 in a penetrating mode, the position, close to the top, of the rear side of the box body 1 is fixedly connected with two first bearings, the two first bearings are arranged in a left-right mode, the rear ends of the two first rotating rods 5 respectively penetrate through adjacent first bearings and are fixedly connected with transmission gears 29, the two transmission gears 29 are mutually meshed, a first single grooved pulley 28 is sleeved on the first rotating rod 5 on the right side and is close to the rear end, a rotating shaft 6 is arranged at the bottom of each crushing roller 4, the top and the bottom of each rotating shaft 6 are respectively and fixedly connected with a plurality of crushing rods 7, a second bearing is fixedly connected on the position, close to the bottom, of the rear side of the box body 1, the rear end of each rotating shaft 6 penetrates through the inner cavity of the second bearing and is fixedly connected with a second single grooved pulley 27, a belt is arranged between each first single grooved pulley 28 and each second single grooved pulley 27, the first single grooved pulley 28 and the second single grooved pulley 27 are in transmission connection through a belt, a support is fixedly connected to the rear side of the box body 1 close to the top, the first motor 26 is fixedly connected to the front side of the support, and the power output end of the first motor 26 is fixedly connected with the second single grooved pulley 27, so that the working efficiency is improved;

the inclined plates are fixedly connected to the positions, close to the left side and the right side, of the top plate of the partition plate, one side, far away from the partition plate, of each inclined plate is fixedly connected with the side wall of the inner cavity of the box body 1, a second opening is formed in the middle position of each partition plate, a baffle 8 is arranged in the inner cavity of the second opening, a fixed block is fixedly connected to the bottom of the left side of the inner cavity of the second opening, the bottom of each baffle 8 is attached to the top of the corresponding fixed block, a groove is formed in the right side of each partition plate, the right side of each baffle 8 is inserted into the inner cavity of the groove and is fixedly connected with a pull rod 9, first through holes matched with the pull rods 9 are formed in the positions, close to the top, of the right side of the box body 1, the right end of each pull rod 9 penetrates through the inner cavity of the corresponding hole, and is fixedly connected with a handle 10, so that raw materials are crushed more completely;

the shaking mechanism comprises a first shaking plate 12, the first shaking plate 12 is hinged at the left side of a right first filter screen 11 close to the top, a second shaking plate 13 is arranged at the bottom of the first shaking plate 12, the left side of the second shaking plate 13 is hinged with the right side of the left first filter screen 11, a connecting rod 14 is arranged between the first shaking plate 12 and the second shaking plate 13, the upper end and the lower end of the connecting rod 14 are respectively hinged with the first shaking plate 12 and the second shaking plate 13, a connecting rod 17 is hinged at the top of the first shaking plate 12 close to the left side, an L-shaped plate 16 is arranged at the bottom of the partition close to the left side, one end of the connecting rod 17 far away from the first shaking plate 12 is hinged with the L-shaped plate 16, a sliding block is fixedly connected at the top of the L-shaped plate 16, a sliding groove is arranged at the bottom of the partition close to the left side, the sliding block is movably connected in an inner cavity of the sliding groove, a cross rod 32 is fixedly connected at the left side of the L-shaped plate 16, a support plate is fixedly connected at the left side of the box body 1 close to the middle position, the top of the supporting plate is fixedly connected with a second motor 18, the power output end of the second motor 18 is fixedly connected with a rotary plate 19, the top of the rotary plate 19 is fixedly connected with a fixed shaft at a position close to the right side, a rectangular groove 31 is sleeved outside the fixed shaft, limiting plates are fixedly connected to the front side and the rear side of the rectangular groove 31 respectively, third through holes are formed in the limiting plates, limiting rods penetrate through inner cavities of the two third through holes, the right end of each limiting rod is fixedly connected with the left side of the box body 1 to limit the rectangular groove 31, second through holes matched with the transverse rod 32 are formed at a position close to the middle position of the left side of the box body 1, the left end of the transverse rod 32 penetrates through the inner cavities of the second through holes and is fixedly connected with the rectangular groove 31, and dust attached to the raw material is adsorbed by shaking the raw material, so that the quality of the feed is improved;

third openings are formed in the left side and the right side of the box body 1 close to the bottom, the third openings are located at the top of the connecting plate, the inner cavities of the two third openings are respectively provided with movable doors 30 matched with the third openings, the front sides of the movable doors 30 are provided with a plurality of hinges, the two movable doors 30 are movably connected with the box body 1 through the adjacent hinges respectively, and handles are fixedly connected to the positions, close to the rear sides, of the sides, far away from the two movable doors 30, of the two movable doors 30, so that workers can clean dust conveniently and the operation is convenient;

screening mechanism includes framework 20, and framework 20 is located the top of collecting vat 3, framework 20's inner chamber is close to bottom department fixedly connected with second filter screen 21, the equal fixedly connected with second bull stick 22 of the framework 20 left and right sides, the 1 inner chamber left and right sides of box is close to the equal fixedly connected with third bearing of bottom department, the one end that framework 20 was kept away from to second bull stick 22 is pegged graft at the third bearing inner chamber, the second bull stick 22 outside cover that is located the right side is equipped with drive gear 23, and drive gear 23's rear side meshing has rack 24, the connecting plate bottom fixedly connected with electric telescopic handle 25 that is located the right side, and electric telescopic handle 25's power end and rack 24 top fixed connection, avoid appearing the fodder granule that differs in size, the quality of fodder is improved, and use cost has been reduced simultaneously.

The working principle is as follows: when the utility model is used, firstly, a first motor 26 is started through an external power supply, the first motor 26 works to drive a second single grooved wheel 27 to rotate, the second single grooved wheel 27 rotates to drive a first single grooved wheel 28 to rotate through a belt, the first single grooved wheel 28 rotates to drive adjacent first rotating rods 5 to rotate, the first rotating rods 5 rotate to drive the crushing rollers 4 to rotate and simultaneously drive adjacent transmission gears 29 to rotate, thereby driving another transmission gear 29 which is meshed to rotate, the two transmission gears 29 rotate to drive the two first rotating rods 5 to rotate, thereby driving the two crushing rollers 4 to rotate, the second single grooved wheel 27 rotates to drive a rotating shaft 6 to rotate, the rotating shaft 6 rotates to drive a plurality of crushing rods 7 to rotate, feed raw materials are poured into an inner cavity of a box body 1 through a feeding hopper 2, the raw materials are subjected to first rolling through the rotation of the two crushing rollers 4, the rolled raw materials far away from the top of a baffle plate 8, the raw materials are crushed in the second step through the rotation of a plurality of crushing rods 7, so that the crushing is more complete, after the crushing is completed, a handle 10 is pulled to drive a pull rod 9 to move rightwards, the pull rod 9 moves rightwards to drive a baffle 8 to move rightwards, a second opening is opened, the crushed raw materials fall onto the top of a first shaking plate 12, a second motor 18 is started through an external power supply, the second motor 18 works to drive a rotary table 19 to rotate, the rotary table 19 rotates to drive a fixed shaft to rotate in an inner cavity of a rectangular groove 31, so as to drive the rectangular groove 31 to move leftwards and rightwards, limit the crushed raw materials by sliding on adjacent limiting rods through two limiting plates respectively, the rectangular groove 31 moves leftwards and rightwards to drive an L-shaped plate 16 to move leftwards and rightwards through a transverse rod 32, the L-shaped plate 16 moves leftwards and rightwards to drive the first shaking plate 12 to move upwards and downwards through a connecting rod 17, the left side of the first shaking plate 12 moves upwards and downwards through a connecting rod 14 to drive the second shaking plate 13 to swing upwards and downwards, so that the raw materials are shaken off the first shaking plate 12 and the second shaking plate 13 into the inner cavity of the frame body 20, and simultaneously the two dust suction pumps 15 are started through an external power supply, two dust suction pumps 15 work between the partition board and the two connecting boards to form a dust suction cavity, and through the arrangement of the two first filter screens 11, dust is adsorbed to one side of the first filter screen 11 close to the dust suction pumps 15, after the processing is finished, the worker can open the movable door 30 to clean the dust, the dust falls into the raw material in the frame body 20, the electric telescopic rod 25 is started by an external power supply to drive the rack 24 to move up and down, the rack 24 moves up and down to drive the driving gear 23 to rotate forward and backward, thereby driving the frame body 20 to overturn in a reciprocating way and improving the screening efficiency, the raw materials screened by the second filter screen 21 fall into the inner cavity of the collecting tank 3, the later workers separately collect the raw materials in the collection tank 3 and the frame 20.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a raw materials preprocessing device for feed processing with screening function, includes box (1), the box (1) inner chamber left and right sides is close to equal fixedly connected with dust absorption pump (15) of intermediate position department, its characterized in that: the improved box is characterized in that a feeding hopper (2) is inserted in the middle of the top of the box body (1), a baffle is fixedly connected to the position, close to the top, of an inner cavity of the box body (1), a breaking mechanism is arranged at the top of the baffle, two first filter screens (11) are arranged at the bottom of the baffle, two shaking mechanisms are arranged between the first filter screens (11), one first filter screen (11) is separated from a connecting plate which is fixedly connected to the bottom of one side, one connecting plate is separated from one side of each first filter screen (11) and fixedly connected to the side wall of the inner cavity of the box body (1), a first opening is formed in the bottom of the front side of the box body (1), a collecting groove (3) is arranged at the bottom of the inner cavity of the box body (1), and a screening mechanism is arranged at the top of the collecting groove (3).

2. The raw material pretreatment device for feed processing having a sieving function according to claim 1, characterized in that: the crushing mechanism comprises two crushing rollers (4), the two crushing rollers (4) are arranged in a left-right mode, first rotating rods (5) penetrate through inner cavities of the two crushing rollers (4), two first bearings are fixedly connected to the positions, close to the top, of the rear side of the box body (1), the two first bearings are arranged in a left-right mode, the rear ends of the two first rotating rods (5) penetrate through adjacent first bearings respectively and are fixedly connected with transmission gears (29), the two transmission gears (29) are meshed with each other, a first single grooved wheel (28) is sleeved on the first rotating rod (5) on the right side, close to the rear end, a rotating shaft (6) is arranged at the bottom of each crushing roller (4), a plurality of crushing rods (7) are fixedly connected to the top and the bottom of the rotating shaft (6), and a second bearing is fixedly connected to the position, close to the bottom, of the rear side of the box body (1), the rear end of pivot (6) runs through the second bearing inner chamber to fixedly connected with second single sheave (27), be equipped with the belt between first single sheave (28) and second single sheave (27), just be connected through belt transmission between first single sheave (28) and second single sheave (27), the box (1) rear side is close to top department fixedly connected with support, just support front side fixedly connected with first motor (26), the power take off end and the second single sheave (27) fixed connection of first motor (26).

3. The raw material pretreatment device for feed processing having a sieving function according to claim 1, characterized in that: the utility model discloses a set up the baffle, including baffle roof, baffle roof, baffle roof, baffle, box, baffle, and the first perforation, the right-side, the right-end, the handle of the handle, the handle is equipped with the handle of perforating, the handle is equipped with the handle, the handle is equipped with the handle, the handle is equipped with the handle, the handle is equipped with the handle, the handle is equipped with the handle, the.

4. The raw material pretreatment device for feed processing having a sieving function according to claim 1, characterized in that: the shaking mechanism comprises a first shaking plate (12), the first shaking plate (12) is hinged to the left side of a first filter screen (11) on the right side and close to the top, a second shaking plate (13) is arranged at the bottom of the first shaking plate (12), the left side of the second shaking plate (13) is hinged to the right side of the first filter screen (11) on the left side, a connecting rod (14) is arranged between the first shaking plate (12) and the second shaking plate (13), the upper end and the lower end of the connecting rod (14) are hinged to the first shaking plate (12) and the second shaking plate (13) respectively, the top of the first shaking plate (12) is hinged to a connecting rod (17) close to the left side, an L-shaped plate (16) is arranged at the position close to the left side of the bottom of the partition plate, one end, far away from the first shaking plate (12), of the connecting rod (17) is hinged to the L-shaped plate (16), and a sliding block is fixedly connected to the top of the L-shaped plate (16), the baffle bottom is close to left side department and has seted up the spout, slider swing joint is at the spout inner chamber, the left side fixedly connected with horizontal pole (32) of L shaped plate (16), box (1) left side is close to intermediate position department fixedly connected with backup pad, just backup pad top fixedly connected with second motor (18), the power take off end fixedly connected with carousel (19) of second motor (18), the top of carousel (19) is close to right side department fixedly connected with fixed axle, fixed axle outside cover is equipped with rectangular channel (31), box (1) left side is close to intermediate position department and sets up the second that matches each other with horizontal pole (32) and perforates, the left end of horizontal pole (32) runs through the second and perforates the inner chamber to with rectangular channel (31) fixed connection.

5. The raw material pretreatment device for feed processing having a sieving function according to claim 4, characterized in that: the equal fixedly connected with limiting plate in both sides around rectangular channel (31), just set up the third on the limiting plate and perforate, two the third is perforated the inner chamber and all is run through and is equipped with the gag lever post, just the right-hand member and box (1) left side fixed connection of gag lever post.

6. The raw material pretreatment device for feed processing having a sieving function according to claim 1, characterized in that: the box (1) left and right sides is close to bottom department and has all seted up the third opening, just the third opening is located the top of connecting plate, two the third opening inner chamber all is equipped with dodge gate (30) that matches each other with it, just the front side of dodge gate (30) is equipped with a plurality of hinge, two dodge gate (30) are respectively through adjacent a plurality of hinge and box (1) swing joint, two one side that dodge gate (30) kept away from mutually is close to the equal fixedly connected with handle of rear side department.

7. The raw material pretreatment device for feed processing having a sieving function according to claim 1, characterized in that: screening mechanism includes framework (20), just framework (20) is located the top of collecting vat (3), the inner chamber of framework (20) is close to bottom department fixedly connected with second filter screen (21), the equal fixedly connected with second bull stick (22) of the equal both sides of framework (20) left and right sides, the equal fixedly connected with third bearing of bottom department is close to the box (1) inner chamber left and right sides, the one end that framework (20) were kept away from in second bull stick (22) is pegged graft at the third bearing inner chamber, is located the right side second bull stick (22) outside cover is equipped with drive gear (23), just the rear side meshing of drive gear (23) has rack (24), is located the right side connecting plate bottom fixedly connected with electric telescopic handle (25), just the power end and rack (24) top fixed connection of electric telescopic handle (25).

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