Fodder raw materials reducing mechanism
Technical Field
The utility model relates to the technical field of modern agriculture, in particular to a feed raw material crushing device.
Background
The feed is used as the most main food source of livestock, plays an important role in the breeding industry, enriches the dietary structure of the livestock and lays a solid foundation for the healthy growth of the livestock.
In order to increase the digestibility of livestock feed, it is necessary to pulverize the feed into fine particles. However, the existing feed grinder has the phenomenon that feed is not thoroughly ground in the process of grinding feed, and the feed which is not thoroughly ground can be mixed with feed which is qualified in grinding, under the condition, the mixed feed is usually required to be manually screened and separated, the screening and separating process is relatively complicated, and a certain time and labor cost can be consumed. Based on this problem, the present utility model proposes a solution.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a feed raw material crushing device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a fodder raw materials reducing mechanism, includes crushing case, rotationally be connected with first crushing wheel on the inner wall of crushing case, rotationally be connected with the second crushing wheel on the inner wall of crushing case, first crushing wheel and second crushing wheel interlock, fixedly connected with stock guide on the inner wall of crushing case, seted up first mechanism groove on the lateral wall of crushing case, rotationally be connected with the driving gear on the inner wall of first mechanism groove, rotationally be connected with the driven gear on the inner wall of first mechanism groove, driving gear and driven gear meshing, fixedly connected with driving motor on the lateral wall of crushing case, driving gear and the coaxial fixed connection of driving motor's output shaft, the driving gear is fixedly connected with the first crushing wheel coaxially, the driven gear is fixedly connected with the second crushing wheel coaxially, a limit groove is formed in the side wall of the crushing box, a screen is connected in a sliding mode in the limit groove, a driving device for driving the screen to move up and down is installed in the first mechanism groove, a push plate is connected in a sliding mode in the inner bottom of the crushing box, a second mechanism groove is formed in the side wall of the crushing box, a pushing device for pushing the push plate to do reciprocating linear motion in the horizontal direction is installed in the second mechanism groove, a feeding hole is formed in the upper end of the crushing box, a discharging hole is formed in the side wall of the crushing box, and an additional discharging hole is formed in the side wall of the crushing box.
Preferably, the driving device comprises a crank rotatably connected to the eccentric position on the side wall of the driven gear, one end, far away from the driven gear, of the crank is rotatably connected with a connecting rod, and the side wall of the connecting rod is fixedly connected with the side wall of the screen.
Preferably, the pushing device comprises a first rack fixedly connected to the lower end of the screen, the lower end of the first rack extends into a second mechanism groove, a transmission gear is rotationally connected to the inner wall of the second mechanism groove, a second rack is slidingly connected to the inner bottom of the second mechanism groove, the first rack is meshed with the transmission gear, and the second rack is meshed with the transmission gear.
Preferably, the first rack and the second rack are mutually perpendicular, and the number of teeth of the first rack and the second rack is equal.
Preferably, the additional discharging hole is close to the inner bottom of the limit groove, and the additional discharging hole is communicated with the limit groove.
Preferably, the height of the pushing plate is equal to the distance between the inner bottom and the inner top in the discharging hole, and the length of the pushing plate is larger than the distance between the two inner walls of the discharging hole.
The utility model has the following beneficial effects:
1. Through setting up gear mechanism and slider-crank mechanism, under driven gear's drive, slider-crank mechanism can drive the motion of slider-crank mechanism, and slider-crank mechanism can drive the screen cloth and reciprocate, because the screen cloth has certain inclination to the horizontal plane, consequently the big pellet fodder that does not pass through the screen cloth just can slide and be separated from the screen cloth.
2. Through setting up rack and pinion structure, at the in-process of screen cloth up-and-down reciprocating motion, can drive first rack up-and-down motion, and first rack and drive gear engagement, drive gear can drive the second rack and make reciprocal rectilinear motion at the interior bottom of smashing the case at pivoted in-process to can realize ejecting the fodder after smashing repeatedly.
Drawings
Fig. 1 is a schematic structural view of a feed raw material crushing device according to the present utility model;
FIG. 2 is a schematic view of a section A-A of a fodder raw material pulverizing device according to the present utility model;
FIG. 3 is a schematic view of the structure of a feed material pulverizing device according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of the feed material pulverizing device at C.
In the figure, a crushing box 1, a driving motor 2, a screen 3, a material guide plate 4, a first crushing wheel 5, a second crushing wheel 6, a 7 feeding hole, a 8 discharging hole, an additional discharging hole 9, a first mechanism groove 10, a limit groove 11, a second mechanism groove 12, a first rack 13, a transmission gear 14, a second rack 15, a push plate 16, a crank 17, a connecting rod 18, a rectangular block 19, a driving gear 20 and a driven gear 21 are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-4, a feed raw material crushing device comprises a crushing box 1, wherein a feed inlet 7 is formed in the upper end of the crushing box 1, a discharge outlet 8 is formed in the side wall of the crushing box 1, and an additional discharge outlet 9 is formed in the side wall of the crushing box 1. The additional discharging hole 9 is close to the inner bottom of the limit groove 11, and the additional discharging hole 9 is communicated with the limit groove 11. The inner wall of the crushing box 1 is rotationally connected with a first crushing wheel 5, the inner wall of the crushing box 1 is rotationally connected with a second crushing wheel 6, the first crushing wheel 5 is engaged with the second crushing wheel 6, and the inner wall of the crushing box 1 is fixedly connected with a guide plate 4. It should be noted that the end of the material guiding plate 4 far away from the inner wall of the crushing box 1 is close to the material outlet 8, so as to ensure that the material guiding plate 4 can guide the feed to a position close to the material outlet 8. The side wall of the crushing box 1 is provided with a first mechanism groove 10, a driving gear 20 is rotationally connected to the inner wall of the first mechanism groove 10, a driven gear 21 is rotationally connected to the inner wall of the first mechanism groove 10, the driving gear 20 is meshed with the driven gear 21, a driving motor 2 is fixedly connected to the side wall of the crushing box 1, the driving gear 20 is coaxially and fixedly connected with an output shaft of the driving motor 2, the driving gear 20 is coaxially and fixedly connected with a first crushing wheel 5, and the driven gear 21 is coaxially and fixedly connected with a second crushing wheel 6.
A limit groove 11 is formed in the side wall of the crushing box 1, and the screen 3 is connected in a sliding manner in the limit groove 11. The included angle between the screen 3 and the horizontal plane is controlled to be 30-40 degrees, so that the feed which is thoroughly crushed can smoothly slide off the screen 3 in the process of up-and-down reciprocating movement of the screen 3. A driving device for driving the screen 3 to move up and down is arranged in the first mechanism groove 10, the driving device comprises a crank 17 which is rotatably connected to the eccentric position on the side wall of the driven gear 21, one end, far away from the driven gear 21, of the crank 17 is rotatably connected with a connecting rod 18, and the side wall of the connecting rod 18 is fixedly connected with the side wall of the screen 3.
The inner bottom of the crushing box 1 is slidably connected with a push plate 16, the height of the push plate 16 is equal to the distance between the inner bottom and the inner top of the discharge hole 8, and the length of the push plate 16 is greater than the distance between the two inner walls of the discharge hole 8. The side wall of the crushing box 1 is provided with a second mechanism groove 12, a pushing device for pushing the push plate 16 to do reciprocating rectilinear motion along the horizontal direction is arranged in the second mechanism groove 12, the pushing device comprises a first rack 13 fixedly connected to the lower end of the screen 3, the lower end of the first rack 13 extends into the second mechanism groove 12, a transmission gear 14 is rotationally connected to the inner wall of the second mechanism groove 12, the inner bottom of the second mechanism groove 12 is slidably connected with a second rack 15, the first rack 13 is meshed with the transmission gear 14, the second rack 15 is meshed with the transmission gear 14 and is mutually perpendicular to the first rack 13 and the second rack 15, and the teeth number of the first rack and the teeth of the second rack 15 are equal.
In the operation process, under the drive of the driving motor 2, the driving gear 20 and the driven gear 21 can be driven to be meshed and rotated, and then the first crushing wheel and the second crushing wheel can be driven to be meshed, so that the feed can be crushed. Under the drive of the driven gear 21, the crank 17 can rotate, and the crank 17 can drive the connecting rod 18 and the rectangular block 19 to move up and down in the rotating process, so that the screen 3 can be driven to reciprocate up and down, and as the screen has a certain inclination angle relative to the horizontal plane, large-particle feed which does not pass through the screen can slide off the screen and be separated, and is discharged through the additional discharge hole 9, and small-particle feed which passes through the screen 3 can fall to the inner bottom of the crushing box 1 along the guide plate 4. In the process of up-and-down reciprocating motion of the screen 3, the first rack 13 is driven to reciprocate up and down, the first rack 13 is meshed with the transmission gear 14 in the process of motion, the transmission gear 14 is meshed with the second rack 15 at the same time in the process of rotation, so that the second rack 15 is driven to reciprocate in a straight line along the horizontal direction, and finally the second rack 15 drives the push plate 16 to repeatedly push out feed at the bottom of the crushing box 1 from the discharge hole 8. In this way, the feed which is not thoroughly crushed can be separated, and the feed at the bottom in the crushing box 1 can be automatically pushed out from the discharge hole 8.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.