CN214682916U

CN214682916U - A screening edulcoration equipment for feed ingredient

Info

Publication number: CN214682916U
Application number: CN202120917857.5U
Authority: CN
Inventors: 潘勇; 汪元菊
Original assignee: Chongqing Dajng Feed Co ltd
Current assignee: Chongqing Dajng Feed Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-12
Anticipated expiration: 2031-04-28

Abstract

The utility model provides a screening and impurity removing equipment for feed raw materials, which comprises a screening shell and a screening device, wherein the screening device comprises a feeding mechanism and a screening mechanism, the feeding mechanism comprises a feeding pipeline and a spiral feeding rod in the feeding pipeline, one end of the feeding pipeline is provided with an opening, the spiral feeding rod is rotatably connected with the sealing end of the feeding pipeline and is connected with a driving motor fixed outside the feeding pipeline through a connecting shaft; the screening mechanism comprises a screening frame which is arranged in the screening shell in a sliding mode and is of a vertical hollow structure, a plurality of screen meshes with gradually reduced mesh hole diameters are sequentially arranged in the screening frame from top to bottom, each screen mesh is obliquely arranged, the inclination directions of two adjacent screen meshes are opposite, and the opening end of the feeding pipeline is positioned above the screen mesh at the uppermost mounting position; the screening frame is connected with the connecting shaft through the connecting assembly, so that the connecting shaft rotates to drive the screening frame to slide in the screening shell in a reciprocating mode. Reduces noise pollution from multiple aspects and improves the environmental quality in the feed production process.

Description

A screening edulcoration equipment for feed ingredient

Technical Field

The utility model relates to an edulcoration equipment technical field for the feed preparation, in particular to a screening edulcoration equipment for feed ingredient.

Background

The production process of a feed factory generally comprises the following procedures: raw material receiving and storing, cleaning (removing impurities), crushing, batching, mixing, granulating, cooling, granulating, grading, finished product packaging, storing and distributing. Some feed products with special requirements also need to be added with liquid, pre-cured, post-sprayed, expanded, puffed, dried and other procedures.

The raw materials of the pellet feed are subjected to impurity removal, and the impurities in the raw materials are mainly removed, so that the quality of the prepared feed is ensured.

In the prior art, when the impurities of the raw materials are removed, a vibration sieve is used for grading and removing the impurities; the vibrating screen is driven to rotate by a motor and drives a centrifugal rotating block to rotate so as to drive a screen to vibrate, and then raw materials on the screen are screened.

Because the shale shaker among the prior art is that whole screen cloth (the multilayer that the stromatolite set up from top to bottom) all shakes for centrifugal rotor block's "whipping" strength is just great, and the noise is very big when leading to whole shale shaker to sieve the edulcoration, causes production environmental noise pollution seriously, so current necessary provides the screening edulcoration device that can reduce the screening noise.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a screening edulcoration equipment for feed ingredient has solved among the prior art shale shaker noise pollution serious problem when carrying out the edulcoration to the raw materials.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a screening and impurity removing device for feed raw materials comprises a screening shell body provided with a discharge pipe and a screening device arranged in the screening shell body, wherein the screening device comprises a feeding mechanism and a screening mechanism which are matched,

the feeding mechanism comprises a feeding pipeline and a spiral feeding rod arranged in the feeding pipeline,

one end of the feeding pipeline is opened, the other end of the feeding pipeline is sealed, a feeding funnel is arranged on the feeding pipeline close to the sealed end of the feeding pipeline,

the spiral feeding rod is horizontally arranged in the feeding pipeline and is rotationally connected with the side wall of the sealing end of the feeding pipeline, and is fixedly connected with a driving motor outside the feeding pipeline through a connecting shaft;

the screening mechanism comprises a screening frame which is arranged in a screening shell in a sliding mode and is of a vertical hollow structure, a plurality of screen meshes with gradually reduced mesh aperture are sequentially arranged in the screening frame from top to bottom, each screen mesh is obliquely arranged, the inclination directions of two adjacent screen meshes are opposite, and the opening end of the feeding pipeline is positioned above the screen mesh at the uppermost mounting position;

the screening frame is connected with the connecting shaft through the connecting assembly, so that the connecting shaft rotates to drive the screening frame to slide in the screening shell in a reciprocating mode.

Further, be equipped with the sliding block on the screening frame, screening casing inner wall is equipped with the sliding tray with sliding block sliding connection.

Further, the connecting assembly comprises a disc, a connecting rod hinged with the eccentric position of the disc and a sliding rod hinged with the connecting rod, the disc is connected with a first bevel gear through a mounting shaft,

the sliding rod is parallel to the sliding groove and connected with the screening frame, and the first bevel gear is meshed with a second bevel gear arranged on the connecting shaft.

Further, still include second grade screening subassembly, second grade screening subassembly is including setting up the screening net of the level setting in screening frame below, screening net passes through the axis of rotation and is connected with the rotation motor that is located the screening casing body outer.

Furthermore, the rotating motor and the driving motor are both covered with a silencing cover, and a plurality of silencing holes are formed in the inner wall of the silencing cover.

The principle of the utility model is as follows: the fodder raw materials that will wait to sieve from the leading-in charge-in pipeline of feed hopper, carry out the spiral pay-off through the spiral pay-off pole that sets up in the charge-in pipeline and carry out the spiral pay-off with the raw materials from the leading-in screen cloth of open end of charge-in pipeline on, the raw materials that get into the screen cloth returns under the effect of gravity and moves along the screen cloth of slope, and then sieves the raw materials, simultaneously under coupling assembling's effect, the connecting axle rotates and can also drive the reciprocal slip of screening frame, and then makes a plurality of screen cloths also reciprocal slip further to sieve the raw materials on the screen cloth edulcoration work.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model uses the working principle of the vibrating screen in the prior art for reference, and utilizes the rotation of the connecting shaft to drive the reciprocating sliding of the screening frame, thereby carrying out screening and impurity removing work on the raw materials on the plurality of screens, avoiding the vibration of the whole screening shell, reducing the vibration volume and further reducing the noise generated by the friction with the air in the vibration process; and because the casing volume of screening frame whole shale shaker of prior art is littleer, the power driving source that needs is just littleer, does not need powerful driving motor for the noise that driving motor produced is also littleer, has reduced noise pollution from a plurality of aspects, has improved the environmental quality in the feed production process.

Drawings

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

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a screening housing; 2. a compression spring; 3. a sliding groove; 4. screening the frame; 6. screening a screen; 7. a screw feed rod; 8. a feed conduit; 9. a feed hopper; 10. a second bevel gear; 11. a first mounting cavity; 12. a transition guide plate; 13. a second mounting cavity; 14. a connecting shaft; 15. a drive motor; 16. a sound deadening hood; 17. installing a shaft; 18. a disc; 19. a connecting rod; 20. a mounting seat; 21. a first bevel gear; 22. a slide bar; 23. a slag guide pipe; 24. a slag discharge pipe; 25. screening the net; 26. a mounting frame; 28. rotating the motor; 29. a discharge pipe; 30. a silencing hole.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in figure 1, the embodiment of the utility model provides a screening edulcoration equipment for feedstuff, include mounting bracket 26 and fix the screening casing 1 on mounting bracket 26, screening casing 1 bottom is equipped with discharge tube 29, still is equipped with on screening casing 1 and unloads sediment pipe 24, and discharge tube 29 all is equipped with switch valve with unloading sediment pipe 24. Owing to screening casing 1 mainly used sieves the edulcoration to feed ingredient, so be equipped with screening plant in screening casing 1, because screening plant noise among the prior art is big, for falling the improvement of making an uproar, the utility model discloses set up screening plant is including feed mechanism and the screening mechanism that the cooperation was used, feed mechanism includes the charge-in pipeline 8 that the level set up, in charge-in pipeline 8 be equipped with spiral feed rod 7 the position that is close to its other end on charge-in pipeline 8 is equipped with feed hopper 9, for the use and the installation of making things convenient for charge-in pipeline 8, the utility model discloses 8 one end openings of charge-in pipeline and the other end that set up seal the setting to charge-in pipeline 8 runs through screening casing 1 lateral wall and screening casing 1 lateral wall fixed connection, wherein charge-in pipeline 8's open end is located screening casing 1. In order to facilitate the installation of the spiral feeding rod 7, the spiral feeding rod 7 is rotatably connected with the sealed end of the feeding pipeline 8 and is connected with a driving motor 15 fixed outside the feeding pipeline 8 through a connecting shaft 14. The driving motor 15 can be a servo motor, and the rotating speed of the driving motor 15 is controlled through a PWM signal to control the discharging speed of the spiral feeding rod 7.

As shown in fig. 1, the screening mechanism includes a screening frame 4 which is slidably disposed in a screening housing 1 and has a vertical hollow structure, in order to facilitate the slidable mounting of the screening frame 4 on the screening housing 1, the screening housing 1 includes a first mounting cavity 11 having a rectangular cavity structure, the screening frame 4 is disposed in the first mounting cavity 11, at least one sliding groove 3 is respectively arranged on two side walls which are opposite to each other at random of the first installation cavity 11 (the utility model is provided with two parallel sliding grooves 3 on one inner side wall of the first installation cavity 11, four sliding grooves 3 are arranged on two inner side walls of the first installation cavity 11, the four sliding grooves 3 are positioned at four edges of a spatial rectangular body), set up on screening frame 4 with the sliding block of four sliding tray 3 slip settings, four sliding tray 3 levels along 11 inner walls horizontal settings of first installation cavity and parallel with the direction of setting up of charge-in pipeline 8 to make things convenient for the installation of part. Because the screening frame 4 needs to screen raw materials, a plurality of screen meshes 6 with gradually reduced mesh aperture are sequentially arranged in the screening frame 4 from top to bottom, each screen mesh 6 is obliquely arranged, the inclination directions of two adjacent screen meshes 6 are opposite, so that the screen meshes 6 can effectively screen the raw materials in the moving process of the screening frame 4 conveniently, and the opening end of the feeding pipeline 8 is positioned above the inclined upper end of the screen mesh 6 at the uppermost mounting position; the projection of screen cloth 6 incline direction is parallel with 8 length direction of charge-in pipeline, screening frame 4 is connected with connecting axle 14 through coupling assembling, makes connecting axle 14 rotates and drives screening frame 4 reciprocating sliding in screening casing 1.

As shown in fig. 1, because the utility model discloses the feed mechanism who sets up uses with screening mechanism is the cooperation, at this time falls the purpose of making an uproar and energy saving and emission reduction, the utility model discloses utilize coupling assembling to be connected connecting axle 14 and screening frame 4 for connecting axle 14's rotation just can drive the reciprocating sliding of screening frame 4, so the utility model discloses the coupling assembling of setting includes disc 18, with disc 18 off-centre position articulated connecting rod 19 and with connecting rod 19 articulated slide bar 22, wherein disc 18 is connected with first bevel gear 21 through installation axle 17, second bevel gear 10 intermeshing that sets up on first bevel gear 21 and the connecting axle 14. Installation axle 17 rotates with the fixed mount pad 20 of screening casing 1 outer wall to be connected, wherein, slide bar 22 sets up with sliding tray 3 parallel and is connected with screening frame 4. During installation, the gear sizes of the first bevel gear 21 and the second bevel gear 10 can be adjusted according to the screening difficulty of raw materials, so that the mounting shaft 17 can rotate N circles or 1/N circle by one circle of rotation of the connecting shaft 14. Simultaneously for improving the "resilience" dynamics of screening frame 4, can also set up a plurality of compression spring 2 at 4 outer walls of screening frame and 11 inner walls of first installation cavity, be convenient for screen frame 4's reciprocating motion.

As shown in fig. 1, in order to facilitate the discharge of the foreign matters intercepted by the screen 6, a slag guide pipe 23 used in cooperation with each other is arranged at the lower end of each screening, the slag guide pipe 23 is slidably arranged with the side wall of the first installation cavity 11, and a valve is also arranged on the slag guide pipe 23.

As shown in fig. 1, there may be incomplete screening of the raw material passing through the plurality of screen meshes 6, and the present invention is also provided with a secondary screening assembly comprising a horizontally disposed screening net 25 disposed below the screening frame 4, said screening net 25 being connected to a rotary motor 28 located outside the screening housing 1 through a rotary shaft. In order to facilitate the installation of the screening net 25, a second installation cavity 13 connected with the first installation cavity 11 through a transition guide plate 12 is arranged in the screening shell 1, the second installation cavity 13 is a hollow cylindrical cavity, the screening net 25 is of a circular structure, and the periphery of the screening net 25 and the inner wall of the second installation cavity 13 are arranged in a sliding mode in a gap mode. The screening net 25 is a plane screen, raw materials are screened by centrifugal force, foreign matters intercepted by the screening net 25 can be led out through the slag discharge pipe 24, and the raw materials passing through the screening net 25 finally enter the next working section from the discharge pipe 29.

As shown in fig. 1 and 2, in order to reduce the noise generated by the rotating motor 28 and the driving motor 15 during the use, the rotating motor 28 and the driving motor 15 are all covered with the silencing cover 16, and a plurality of silencing holes 30 are opened on the inner wall of the silencing cover 16. Silencing principle of the silencing hole 30: the driving motor 15/the rotating motor 28 work to generate noise, when the noise sound wave is diffused outwards, the noise sound wave enters a plurality of muffling holes 30 formed in the muffling cover 16 to form a sound absorbing structure similar to a perforated plate, the sound absorbing structure of the perforated plate is actually a resonance sound absorbing structure formed by connecting a plurality of single resonators in parallel, the aperture and the hole length of the muffling holes 30 are designed to be smaller than the wave length of the sound wave, the elastic deformation of air columns in the muffling holes 30 is small, and the mass block can be regarded as a non-deformed mass block; the air in the muffling hole 30 elastically vibrates with the sound waves, and is equivalent to a spring. The incident sound wave excites the air column (similar to a spring) in the neck of the silencing hole 30 to reciprocate, and the air column rubs with the neck wall, and part of sound energy is converted into heat energy to be consumed, so that the silencing purpose is achieved. Thereby achieving the purpose of reducing noise.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a screening edulcoration equipment for feed ingredient, is including the screening casing that is equipped with the discharge tube and the screening plant that sets up in the screening casing, its characterized in that: the screening device comprises a feeding mechanism and a screening mechanism which are matched,

2. A screening edulcoration equipment for feed stuff according to claim 1, characterized in that: the screening frame is provided with a sliding block, and the inner wall of the screening shell is provided with a sliding groove in sliding connection with the sliding block.

3. A screening edulcoration equipment for feed ingredient of claim 2, characterized in that: the connecting assembly comprises a disc, a connecting rod hinged with the eccentric position of the disc and a sliding rod hinged with the connecting rod, the disc is connected with a first bevel gear through a mounting shaft,

4. A screening and impurity removing device for feed raw materials according to any one of claims 1 to 3, characterized in that: still include second grade screening subassembly, second grade screening subassembly is including setting up the screening net of the level setting in screening frame below, the screening net passes through the axis of rotation and is connected with the rotation motor that is located the screening casing outer.

5. A screening edulcoration equipment for feed ingredient of claim 4, characterized in that: the rotating motor and the driving motor are both covered with a silencing cover, and a plurality of silencing holes are formed in the inner wall of the silencing cover.