JP3684545B2 - Automatic feeding device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic feeding device that includes automatic running means and that can automatically feed livestock and the like, and more particularly, to an automatic feeding device that can preferably feed feed including roughage.
[0002]
[Prior art and its problems]
Conventionally, as a feeding device that automatically feeds livestock, feed is filled in a tank equipped with a discharge port and a conveyor is built in, and the feed is discharged from the discharge port by driving the conveyor while running this tank. There was a device that automatically feeds livestock.
[0003]
Usually, feeds given to livestock such as cattle can be roughly classified into granular concentrated feeds made of corn grains, cereals, and the like, and rough feeds made of straw, hay and the like. Of these, roughage is 50cm of straw and hay. ^Three It was distributed in a solid shape in the shape of a cube, and when feeding it was loosened and given to livestock.
[0004]
For this reason, when trying to feed roughage in a conventionally used tank, the lump of roughage was put in the tank in a loosened state in advance, and the tank was automatically run to feed livestock. . However, in the conventional tank, there is a case where the roughage once loosened during traveling is solidified and clogged in the tank and cannot be fed stably.
[0005]
In view of the above, an object of the present invention is to provide an automatic feeding device capable of stably feeding a certain amount when feeding a feed containing roughage.
[0006]
[Means for Solving the Problems]
The automatic feeding device according to the present invention is a tank in which feed containing roughage is charged, while running on a predetermined track by automatic running means,
An automatic feeding device capable of automatically feeding livestock and the like by discharging the feed in the tank from the discharge port opened at the bottom of the tank by the discharge means provided in the tank,
The discharging means is
In the vicinity of the bottom of the tank, an auger screw that is arranged so that feed can be conveyed to the discharge port during rotation driving,
An agitation screw arranged above the auger screw and having a plurality of agitation pieces protruding radially outward so that the feed above the auger screw can be loosened when rotating;
It is characterized by comprising.
[0007]
In addition, two auger screws are juxtaposed in the horizontal direction and are driven to rotate upward on the sides approaching each other.
The stirring screw is preferably arranged in parallel with the auger screw above the two auger screws.
[0008]
Furthermore, the tank comprises a tank body and an expansion chamber arranged side by side near the lower end of the tank body,
Between the tank body and the expansion chamber, a communication port is formed so as to communicate with each other, and the expansion chamber has a lower end opening configured as the discharge port,
It is preferable that a lid that can be opened and closed is disposed on the side wall of the expansion chamber.
[0009]
Furthermore, it is preferable that a switching chute capable of changing the feeding direction is arranged below the discharge port of the expansion chamber.
[0010]
Furthermore, it is preferable that the side wall on the side of the expansion chamber inside the tank body is provided with a current plate that covers the upper side of the communication port and prevents direct movement of the feed to the expansion chamber.
[0011]
[Operation and effect of the invention]
The automatic feeding device according to the present invention is configured to discharge the roughage from the discharge port by conveying the feed containing the roughage put into the tank to the discharge port by an auger screw that is rotationally driven. Since a stirring screw having a plurality of stirring pieces is arranged above the auger screw, the feed is bridged above the auger screw by stirring the rough feed with the rotationally driven stirring screw. It can be prevented from solidifying. Therefore, a certain amount of feed can be continuously and stably fed from the discharge port without the rough feed becoming hardened or clogged in the tank.
[0012]
Therefore, in this invention, when feeding the feed containing roughage, the automatic feeding apparatus which can feed a fixed quantity stably can be provided.
[0013]
Further, two auger screws are juxtaposed in the horizontal direction and are driven so as to rotate upward on the sides approaching each other, and the stirring screw is parallel to the auger screw above the two auger screws. Since the feed can be stirred and loosened with two auger screws with the two auger screws, the feed becomes more difficult to solidify in the tank, and quantitative feeding becomes possible.
[0014]
The tank further includes a tank body and an expansion chamber arranged side by side near the lower end of the tank body, and a communication port is provided between the tank body and the expansion chamber so as to communicate with each other. The expansion chamber is formed so that the opening at the lower end is configured as the discharge port, and a lid that can be opened and closed is disposed on the side wall of the expansion chamber. Since it can be inflated in the expansion chamber and the volume to be discharged can be made constant, the amount of feeding can be further stabilized. Moreover, since the lid | cover which can be opened and closed is arrange | positioned in the expansion chamber, the inside of a tank main body can be easily inspected from a communicating port by opening a lid.
[0015]
Furthermore, if the switching chute capable of changing the feeding direction is arranged below the discharge port of the expansion chamber, the feeding direction can be changed by changing the direction of the switching chute at the time of use. It is possible to feed at a predetermined position without changing the direction of the automatic feeding device.
[0016]
Furthermore, if the side wall on the expansion chamber side inside the tank body is configured to have a rectifying plate that covers the upper side of the communication port and prevents direct movement of the feed to the expansion chamber, the tank body The feed that has been put into the inside can be prevented from entering the expansion chamber without going through the auger screw, so that only the feed that has been transported into the expansion chamber by the auger screw can be fed, and the amount of feeding can be further stabilized. Can do.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0018]
An automatic feeding device (hereinafter abbreviated as “feeding device”) 1 according to an embodiment of the present invention includes a tank 3 and automatic traveling means 57 as shown in FIGS. The feed F containing the feed is automatically fed to livestock and the like by being discharged from the discharge port 23 opened at the bottom of the tank 3 by the discharge means 43 disposed inside the tank 3.
[0019]
The tank 3 includes a tank body 4 and an expansion chamber 22 provided in parallel with the tank body 4 in the vicinity of the lower end of the tank body 4. As shown in FIGS. 1, 3, 4, and 5, the tank body 4 includes a rectangular parallelepiped upper chamber 5 and a quadrangular pyramid-shaped lower chamber 7 that is disposed below the upper chamber 5 and connected to the upper chamber 5. And consist of The upper chamber 5 is configured by a peripheral wall 6 having a substantially rectangular cross section, with an upper portion being an opening 5a and a lower portion being also open to communicate with the lower chamber 7. The peripheral wall 6 includes four side walls 6a, 6b, 6c, and 6d. The lower chamber 7 has a configuration in which an upper portion is opened so as to be able to communicate with the upper chamber 5 and includes a peripheral wall 8 and a bottom wall 13. The peripheral wall 8 is formed of four side walls 9, 10, 11, and 12, and the side walls 10 and 12 that are arranged to face each other in the short direction of the upper chamber 5 have the bottom wall 13 and the upper chamber 5. The structure is inclined toward the lower inner side so as to be narrower than the opening 5a. This is because the quantitative supply of the feed F to the expansion chamber 22 becomes easier. In addition, in the feeding apparatus 1 of this embodiment, the longitudinal direction of the upper chamber 5 is made into the advancing direction G, as shown in FIG. Further, as shown in FIG. 5, a cover 15 is disposed on the upper surface side of the bottom wall 13 so as to follow the outer shape of the lower surface side of the auger screw 44 (44L / 44R) described later. The cover 15 is curved so as to cover the vicinity of the joint portion between the bottom wall 13 and the side walls 10 and 12, and the protruding plate portion 16 having a substantially inverted V-shaped cross section disposed at the approximate center of the bottom wall 13. And plate portions 17 and 17. The cover 15 prevents the feed F from entering and solidifying below the auger screws 44L and 44R and at the corners of the bottom wall 13 and the side walls 10 and 12, and the flow of the feed F in the tank body 4 is prevented. It is arranged to improve the quality. Furthermore, a trapezoidal communication port 9 a is formed in a portion of the side wall 9 on the expansion chamber 22 side that contacts the expansion chamber 22 so as to communicate with the expansion chamber 22. As shown in FIG. 4, the rectifying plate 19 is inclined toward the inner side of the upper chamber 5 on the side wall 6 a on the expansion chamber 22 side in the upper chamber 5 so as to cover the upper side of the communication port 9 a. In addition, an inclined surface 19e is provided over the lower chamber 7 and is disposed so as to extend between the stirring screw 45 and the auger screw 44. The rectifying plate 19 is for preventing the fed feed F from directly entering the expansion chamber 22 without passing through the auger screw 44 described later. As shown in FIG. 2, the left and right edges 19a and 19b of the rectifying plate 19 are connected and fixed to the side walls 6b and 10 and the side walls 6d and 12 in the upper chamber 5 and the lower chamber 7, respectively. As shown in FIG. 4, the lower end 19d is connected and fixed to the side wall 6a so as to connect the side walls 10 and 12 of the lower chamber 7 so as to be substantially orthogonal to the traveling direction G, as shown in FIG. It is fixedly attached to a reinforcing member 20 having a substantially L-shaped cross section.
[0020]
As shown in FIG. 6, the expansion chamber 22 is configured to include a ceiling wall 24 and a peripheral wall 25 having four side walls 26, 27, 28, and 29. In the side wall 28 on the tank body 4 side, a trapezoidal communication port 28 a that communicates with the communication port 9 a of the lower chamber 7 is formed. Openings 27a and 29a are formed in the side walls 27 and 29 arranged substantially parallel to the traveling direction G, and the lid portions 30 and 29 that can be opened and closed outward so as to cover the openings 27a and 29a. 30 are arranged respectively. Each lid 30 has an upper end connected to each side wall 19, 21 by hinges 31, 31. Each lid portion 30 includes a connecting plate portion 30 a on both sides below each hinge portion 31. These connecting plate portions 30 a are arranged to connect the lid portion 30 and the expansion chamber 22 by biasing means (coil spring) 32, and each lid portion 30 is biased by the coil spring 32. Usually, it is in a closed state.
[0021]
Further, as shown in FIG. 6, a switching chute 35 disposed below the expansion chamber 22 (discharge port 23) is attached to the lower ends of the side walls 26 and 28 disposed so as to be substantially orthogonal to the traveling direction G. The substantially triangular plate-like connecting plates 33 are arranged so as to protrude downward. The switching chute 35 is configured to be attached using a rotating shaft 39. In the vicinity of the lower end of each connecting plate 33, an attachment hole 33a for inserting the rotation shaft 39 is formed. The switching chute 35 is formed in a substantially U-shaped cross section including a bottom wall 36 and two side walls 37 (37 </ b> A and 37 </ b> B) arranged to extend upward from both ends of the bottom wall 36. Each of the side walls 37A and 37B is formed in a substantially isosceles triangle shape. In addition, mounting brackets 38A and 38A are formed so as to protrude downward in the vicinity of the substantially center lower end of each of the side walls 37A and 37B. Each mounting bracket 38 </ b> A is formed with a mounting hole 38 a for attaching the switching chute 35 to the connecting plates 33 and 33 and allowing the rotation shaft 39 to be inserted therethrough. A mounting bracket 38B is formed on the side wall 37B so as to protrude downward. An attachment hole 38b for attaching one end of the direction switching means (direction switching device) 40 is formed in the mounting bracket 38B. The switching chute 35 is disposed so that each side wall 37 is substantially orthogonal to the traveling direction G, and is fixedly attached to each connecting plate 33 by a rotation shaft 39 so as to be rotatable. As shown in FIG. 4, the distance w1 between the side walls 37A and 37B of the switching chute 35 is larger than the opening width w2 of the discharge port 23. Accordingly, the switching chute 35 and the expansion chamber 22 The connecting plates 33 and 33 for connecting the two are also formed to expand near the lower end of the expansion chamber 22 (discharge port 23) so that the distance w3 between the connecting plates 33 and 33 is larger than the opening width w2 of the discharge port 23. Has been. This is to prevent the feed F discharged from the expansion chamber 22 from being clogged between the connecting plate 33 and the side wall 37.
[0022]
Further, as shown in FIGS. 1 and 3, a direction switching device 40 is arranged between the switching chute 35 and the connecting plate 33 as direction switching means, and the direction of the switching chute 35 can be switched and maintained. It is said that. The direction switching device 40 uses an electromagnetic solenoid having a coil spring capable of maintaining two states, an extended state and a contracted state. As shown in FIGS. 1 and 8, a metal piece 67 is arranged on the monorail M, and when the feeding device 1 approaches the metal piece 67 during traveling, it is arranged in a drive unit 58 of the traveling device 57 described later. The proximity switch (not shown) outputs a detection signal of the metal piece 67 to the control box 52 described later, and the control box 52 outputs a switching signal to the electromagnetic solenoid, so that the direction of the switching chute 35 advances. The switching chute 35 tilted to the right from the rear side in the direction G is automatically switched so as to tilt to the left, and the feeding direction is switched. In the embodiment, the direction switching device 40 using an electromagnetic solenoid is used as the direction switching unit. However, the direction switching unit is not limited to this, and for example, a configuration in which a direction switching spring is arranged may be used. Good. However, since the direction can be automatically switched, it is preferable to use the direction switching device 40 using an electromagnetic solenoid. In FIG. 6, reference numeral 26 a is an insertion hole for allowing one end of an auger screw 44 described later to pass through the side wall 26 of the expansion chamber 22.
[0023]
As shown in FIGS. 4 and 5, the discharging means 43 includes two auger screws 44L and 44R arranged in parallel in the horizontal direction in the vicinity of the bottom of the lower chamber 7, and two auger screws 44L. -It is the structure which consists of the stirring screw 45 arrange | positioned in parallel with the auger screw 44L and 44R above 44R. Each of the auger screws 44L and 44R is composed of a shaft portion 44a and a spiral blade 44b disposed around the shaft portion 44a. The auger screws 44L and 44R are located below the rectifying plate 19 so as not to interfere with each other. Has been placed. The auger screws 44L and 44R are disposed at both ends on the side wall 26 of the expansion chamber 22 and the side wall 11 of the lower chamber 7, and are rotatably supported by bearings (not shown). . And each auger screw 44L * 44R is arrange | positioned so that the spiral blade 44b may become left-right symmetric as shown in FIG. 5, and it drives so that the side which mutually approaches may rotate upward. The stirring screw 45 is composed of a shaft portion 45a and a plurality of stirring pieces 45b that are arranged around the shaft portion 45a and project outward in the radial direction. As shown in FIG. In the direction substantially perpendicular to the traveling direction G of the lower chamber 7, the lower chamber 7 is arranged at the approximate center. Further, the agitation screw 45 is arranged so close that it does not interfere with the auger screws 44L and 44R. Further, as shown in FIG. 4, the stirring screw 45 passes through the rectifying plate 19, and both ends thereof are disposed on the side wall 28 of the expansion chamber 22 and the side wall 11 of the lower chamber 7, and the bearing (FIG. It is supported so as to be rotatable. In the embodiment, a substantially trapezoidal shape is used as the stirring piece 45b. However, the shape of the stirring piece is not limited to this, and for example, a plurality of rod-shaped objects are projected outward in the radial direction. May be used.
[0024]
As shown in FIG. 5, in the embodiment, the outer diameter D1 of the shaft portion 44a of each auger screw 44L / 44R is 76.3φ, and the outer diameter D2 of the spiral blade 44b is 240φ (the bottom wall portion 13 in the lower chamber 7). The outer diameter D3 of the shaft portion 45a of the stirring screw 45 is 50φ, the outer diameter D4 of the stirring piece 45b is 250φ (the outer diameter D2 of the spiral blade 44b in the auger screw 44). Is almost the same). The distance w5 between the shaft portions 44a and 44a of the auger screws 44L and 44R is set to 380 mm (approximately 1.6 times the outer diameter D2 of the spiral blade 44b of the auger screw 44). The distance w6 between the shaft 44a of the screw 44 is set to 318 mm (approximately 1.2 times the outer diameter D2 of the spiral blade 44b of the auger screw 44).
[0025]
1, 4, and 5, a motor box 49 is disposed below the rear end of the lower chamber 7 in the traveling direction, and the auger screws 44 </ b> L and 44 </ b> R are rotationally driven in the motor box 49. The motors 50 are arranged respectively. And each auger screw 44L * 44R is rotationally driven by interposing the predetermined gear in the gear box 47 arrange | positioned by the motor 50 by the side wall 11 vicinity in the lower chamber 7. As shown in FIG. The drive source of the agitating screw 45 is led out from this drive path with a predetermined gear interposed. Further, lubricating oil O for immersing a predetermined gear is stored at the bottom of the gear box 47, and the lubricating oil O is sequentially attached to a gear without the gear box 47 as the gear rotates. It is configured. Above the expansion chamber 22 in the side wall 6 a of the upper chamber 5, a control box 52 that controls the operation speed, the amount of food, and the like of the feeding device 1 is disposed. 1-3 is a reinforcing member that reinforces the connection state between the tank body 4 (lower chamber 7) and the expansion chamber 22.
[0026]
Moreover, in embodiment, it is the structure by which the monorail M is arrange | positioned above the barn which uses the feeding apparatus 1, and the feeding apparatus 1 is provided with the traveling apparatus 57 arrange | positioned above the tank main body 4 as an automatic traveling means. As shown in FIGS. 1 and 3 to 5, the traveling device 57 is configured to automatically travel by being attached to the monorail M. In addition, as shown in FIG. 8, the monorail M is arrange | positioned from the charging place P1 through the feed F loading place P2 to the feeding place P3.
[0027]
As shown in FIGS. 1 and 4, suspension members are provided in the vicinity of the center of the upper ends of the peripheral walls 6 a and 6 c arranged so as to be substantially orthogonal to the traveling direction G of the peripheral wall 6 in the tank body 4 (upper chamber 5). 63 is arranged. The traveling device 57 is attached and fixed to the upper end of the suspension member 63. The traveling device 57 includes a drive unit 58 disposed on the hanging member 63A on the front side in the traveling direction G and a guide unit 59 disposed on the hanging member 63B on the rear side in the traveling direction G. As shown in FIG. 3, the drive unit 58 includes two cover units 60 and 60 disposed so as to sandwich the monorail M having a substantially I-shaped cross section, and is disposed on the inner side of each cover unit 60. In the recess in M, there are provided four wheels 61 fitted to each two from both sides, and a traveling motor 62 connected to the cover portion 60 for driving the wheels 61. As shown in FIG. 5, the guide portion 59 includes cover portions 60 and 60 and four wheels 61. The travel device 57 is configured to be attached to the suspension members 63A and 63B by bolting the drive portion 58 and the guide portion 59 to the attachment rings 64 disposed at the upper ends of the suspension members 63A and 63B, respectively. . Each suspension member 63 is formed with a plurality of fixing holes 62a in the vertical direction for fixing the suspension member 63 to the tank body 4 so that the height position of the feeding device 1 can be adjusted. ing. The suspension members 63 and 63 are connected by a connecting rod 65. The connecting rod 65 is arranged to keep the guide unit 59 smoothly following the drive unit 58 and to keep the running state of the feeding apparatus 1 smooth.
[0028]
Next, the usage aspect of the feeding apparatus 1 of this embodiment is demonstrated. A feeding facility S that uses the feeding apparatus 1 of the present embodiment is shown in FIG. The feeding device 1 performs automatic operation based on control by the control box 52.
[0029]
First, the feeding device 1 is stopped and charged at the charging place P1 where the charging device B is arranged. Next, when the predetermined time comes, the feeding device 1 is moved to the feed F loading place P2, and a predetermined amount of the feed F is loosened by the mixer K, and the conveyor C is used in the tank body 4. And put it in. And the feeding apparatus 1 is moved to the feeding place P3, a predetermined amount of feed F is discharged from the discharge port 23 (switch chute 35), and feeding to livestock is performed as shown in FIG. Then, when the feeding operation is completed, the feeding device 1 is returned to the charging place P1 and charged. In the feeding apparatus 1 of the present embodiment, such a cycle can be repeated to perform a regular feeding operation for livestock.
[0030]
In the tank body 4, the fed feed F is stirred so as to be lifted upward by the two auger screws 44 </ b> L and 44 </ b> R, and is conveyed to the expansion chamber 22 through the communication ports 9 a and 28 a. The conveyed feed F is expanded in the expansion chamber 22 so that the bulk to be discharged is made constant and discharged from the discharge port 23 (switching chute 35). At this time, the feed screw F is loosened by the stirring piece 45b by slowly rotating the stirring screw 45 disposed between the two auger screws 44L and 44R, and above the two auger screws 44L and 44R. It is possible to prevent the bridge from solidifying. Therefore, the feed F can be fed continuously and stably without being solidified or clogged in the tank 3.
[0031]
Since the feeding apparatus 1 according to this embodiment has the above-described configuration, when feeding the feed F including the feed F, a certain amount can be stably fed.
[0032]
Moreover, in the feeding apparatus 1 of this embodiment, the expansion chamber 22 is arrange | positioned between the tank main body 4 and the discharge port 23, and the tank main body 4 and the expansion chamber 22 are the structures connected by the communication ports 9a and 28a. is there. Therefore, the feed F loosened in the tank body 4 can be once transported into the expansion chamber 22 and expanded in the expansion chamber 22, and the bulk to be discharged can be made constant. As a result, the discharge amount of the feed F, that is, the feeding amount can be further stabilized. Moreover, since the lid bodies 30 and 30 that can be opened and closed are respectively arranged on the side walls 27 and 29 of the expansion chamber 22, the communication is achieved by opening the lid body 30 against the biasing force of the biasing means 32. The inside of the tank body 4 can be easily inspected from the ports 9a and 28a. Furthermore, in the case of the embodiment, if the amount of feed F transported from the tank body 4 to the expansion chamber 22 becomes excessive, each lid 30 is pushed by the feed F and opens from the inside, and surplus The feed F can be discharged outside, and the feed F can be prevented from solidifying in the expansion chamber 22. Since each lid 30 is normally connected to the expansion chamber 22 by a biasing means (coil spring) 32 so as to be in a closed state, the open state of the lid 30 is determined by the biasing means 32. It will be maintained only when a force against the biasing force is applied. Therefore, if the amount of the feed F in the expansion chamber 22 returns to normal and the feed F does not press the lid portion 30, the state is naturally closed. If such a point is not taken into consideration, the expansion chamber 22 may not be provided, and the lid 30 may not be disposed even when the expansion chamber 22 is provided.
[0033]
Furthermore, in the feeding apparatus 1 of the embodiment, the switching chute 35 that can change the feeding direction is disposed below the discharge port 23 of the expansion chamber 22 so as to be substantially orthogonal to the traveling direction G. Is fixedly attached to the expansion chamber 22 so as to be rotatable. Therefore, at the time of use, the direction of the switching chute 35 can be switched so that feeding can be performed on both the left and right sides with respect to the traveling direction G. As a result, feeding can be performed without changing the orientation of the feeding device 1 even when the feeding locations are on the left and right sides with respect to the traveling direction G. If this point is not taken into consideration, the switching chute 35 may not be arranged. Note that the shape of the switching chute is not limited to the above, and for example, a cylindrical shape may be arranged. Furthermore, when the switching chute is formed in a cylindrical shape, the feeding direction is 360 ° or 180 °. It is good also as a structure which can rotate.
[0034]
Furthermore, in the feeding apparatus 1 of the embodiment, the rectifying plate 19 is disposed on the peripheral wall on the expansion chamber 22 side inside the upper chamber 5 so as to cover the upper side of the communication ports 9a and 28a from 6a to the lower chamber 7. Because of the configuration, even if the feed F is introduced to the expansion chamber 22 side of the tank body 4, the feed F is guided above the auger screws 44 </ b> L and 44 </ b> R by the inclined surface 19 e of the rectifying plate 19. Intrusion directly into the expansion chamber 22 is prevented. Therefore, the feed F can be prevented from entering the expansion chamber 22 without passing through the auger screws 44L and 44R. As a result, only the feed F conveyed into the expansion chamber 22 by the auger screws 44L and 44R can be fed, and the amount of feeding can be further stabilized. If this point is not taken into consideration, the rectifying plate 19 may not be disposed.
[0035]
Furthermore, in the feeding device 1 of the embodiment, two auger screws 44 and one agitation screw 45 are used, but the number of auger screws 44 and agitation screws 45 is not limited to this, For example, one auger screw 44 is arranged, one agitation screw 45 is arranged above the auger screw 44, or three auger screws 44 are arranged side by side, and one agitation screw 45 is arranged above the auger screw 44. Or it is good also as a structure arrange | positioned two pieces, and the number of the auger screw 44 and the stirring screw 45 can be changed suitably. However, the shape and number of the stirring pieces 45b of the stirring screw 45 are set so that they can be smoothly rotated by a driving source such as a motor when loosening the feed F and preventing it from forming a bridge shape above the auger screw 44. It is good to select what is to be done suitably.
[0036]
In the present invention, as the automatic traveling means, the traveling device 57 disposed above the tank body 4 is attached to the monorail M disposed above the barn, but the automatic traveling means is limited to this. For example, the tank 3 may be pulled by a tractor that can be guided and controlled unattended. However, if the traveling device 57 attached to the monorail M and the monorail M is used as the automatic traveling means, the feeding location, that is, the passage between the barns can be narrowed, and the storage area of the feeding device is not required. It is preferable because the barn can be saved in space.
[Brief description of the drawings]
FIG. 1 is a front view of a feeding apparatus according to an embodiment of the present invention.
FIG. 2 is a plan view of the feeding apparatus of FIG.
FIG. 3 is a left side view of the feeding device of FIG. 1;
4 is a cross-sectional view taken along the line IV-IV in FIG.
FIG. 5 is a cross-sectional view taken along a line VV in FIG.
6 is an exploded perspective view showing an expansion chamber and a discharge port in the feeding apparatus of FIG. 1. FIG.
FIG. 7 is a schematic perspective view showing a usage mode of the feeding device of the present embodiment.
FIG. 8 is a schematic view showing a feeding facility using the feeding apparatus of the present embodiment.
[Explanation of symbols]
1 Feeding device
3 tanks
4 Tank body
19 Current plate
22 Expansion chamber
23 Discharge port
30 Lid
35 switching chute
43 Discharge means
44 auger screw
45 Stir screw
57 Automatic travel means (travel device)
F feed
M monorail

Claims (4)

While running a predetermined orbit by an automatic running means, a tank loaded with feed containing roughage,
An automatic feeding device capable of automatically feeding livestock and the like by discharging the feed in the tank from a discharge port opened at the bottom of the tank by a discharge means provided in the tank,
The discharging means is
In the vicinity of the bottom of the tank, an auger screw disposed so as to be able to convey the feed to the discharge port during rotation driving,
A stirring screw that is arranged above the auger screw and has a plurality of stirring pieces protruding radially outward so that the feed above the auger screw can be loosened when rotating;
Is configured to include a,
The auger screws are arranged side by side in the horizontal direction and are driven to rotate upward on the sides approaching each other,
The automatic feeding device , wherein the stirring screw is arranged in parallel with the auger screw above the two auger screws . The tank includes a tank body and an expansion chamber arranged side by side near the lower end of the tank body,
A communication port is formed between the tank body and the expansion chamber so as to communicate with each other, and the expansion chamber has a lower end opening as the discharge port,
The automatic feeding device according to claim 1, wherein a lid that can be opened and closed is disposed on a side wall of the expansion chamber . The automatic feeding apparatus according to claim 2, wherein a switching chute capable of changing a feeding direction is disposed below the discharge port of the expansion chamber . A rectifying plate is disposed on a side wall of the tank body on the expansion chamber side so as to cover the upper side of the communication port and prevent direct movement of the feed to the expansion chamber. The automatic feeding apparatus according to claim 3 .

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