Even doffer of fodder
Technical Field
The invention relates to the technical field of feed processing, in particular to a uniform feed blanking device.
Background
With the rapid development of industries such as animal husbandry and the like, the demand of feed is increasing day by day. Fodder is usually stored in a storage bin, and the storage bin is arranged at a certain position, so that the storage, the loading and the unloading of the fodder are troublesome. There is very big impact force feed when deriving the whereabouts, and very big impact force most probably can lead to the fact destruction with collecting apparatus, bag body etc. after exporting the feed, can't realize even ejection of compact, the collection after the feed of not being convenient for is derived. Therefore, a new solution is now needed.
Disclosure of Invention
In order to solve the problems, the invention discloses a uniform feed blanking device which can realize the height regulation of a storage bin and provide convenience for loading, unloading and storing feed. The device can realize the buffering when the fodder is derived, realizes the even ejection of compact, the collection after the fodder of being convenient for is derived.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an even doffer of fodder, includes brace table and the equal vertical fixed support that is equipped with of brace table length direction both sides lower extreme, the brace table upper end is equipped with adjustable storage mechanism, lower extreme are equipped with adjustable blanking mechanism, adjustable storage mechanism includes the hollow circular cylindrical storage silo, the annular spacing frame that the storage silo outside was overlapped that the vertical was equipped with directly over the brace table middle part position, the brace table upper end just is located the equal radian of annular spacing frame position side and evenly fixes the vertical support that is equipped with, the horizontal stand that all is fixed between vertical support top tip and the annular spacing frame outside circumference end wall, the first bar groove that all vertically opens on the horizontal stand, the first lead screw and the first lead screw slider that all are equipped with in the first bar groove, be located the vertical support on one side and be equipped with first motor, the first endless driving frame that the activity of annular spacing frame lower extreme was equipped with, The adjustable blanking mechanism comprises an upper annular support fixed on the upper side of the outer end of the storage bin, a lower annular support fixed on the lower side of the upper annular support, a second lead screw arranged on the outer end of the storage bin and positioned below the upper annular support, a second lead screw sliding block arranged between the upper annular support and the lower annular support and corresponding to the position of the horizontal support, a second lead screw sliding block arranged outside the second lead screw, a connecting rod hinged between the second lead screw sliding block and the first lead screw sliding block close to the position of the second lead screw sliding block, a motor support horizontally fixed on the top of the side end wall of the storage bin, a second motor arranged on the upper end of the motor support, a cylindrical transmission frame vertically movably connected with the lower end of the motor support and a second annular transmission frame movably sleeved on the outer end wall of the upper annular support, wherein a discharge cylinder is vertically and movably arranged in the middle of the bottom of the storage bin, and penetrates through the support, and the adjustable blanking mechanism comprises a disc-shaped support horizontally fixed below the support and positioned between the supports, The second bar that the isoplanatic degree evenly opened on the disc support leads to the groove, the first round axle that all was equipped with in the logical inslot of second bar, the first sliding block that the equal movable sleeve in first round off-axial portion had, the storehouse of gathering that the level was equipped with directly over disc support medial position, the second round axle that just corresponds the equal level in first round off-axial position and was equipped with on the end wall in the storehouse outside of gathering, the second sliding block that the equal movable sleeve in second round off-axial portion had, equal vertical adjusting screw who runs through the equipment on the second sliding block, annular pipe support and the storehouse bottom edge of gathering that the equal vertical swing joint of adjusting screw bottom end tip was equipped with just correspond the discharging pipe that the equal connection of second round off-axial position was equipped with. The storage silo top is equipped with feeding window, and first motor, second motor, third motor are the rotating electrical machines, and annular drive frame, the equal free circular rotation of cylindric drive frame go out the feed cylinder and be located directly over the aggregate bin position, and the sliding block can be followed circle axle length direction and freely slided, and the annular pipe support can free circular rotation, and the connecting rod is detachable installation.
As an improvement of the invention, the inner end apertures of the annular limiting frame and the first annular transmission frame are both larger than the diameter of the outer end of the cross section of the storage bin, the storage bin is vertically and movably arranged to penetrate through the first annular transmission frame, the equal radian on the inner side end wall of the annular limiting frame is uniformly and vertically fixed with a guide block, the equal radian on the outer side end wall of the lower side of the storage bin is uniformly and vertically provided with a guide groove, the horizontal supports are all arranged along the inner end aperture direction of the annular limiting frame, the first strip-shaped through grooves are vertical through grooves and are all arranged along the length direction of the horizontal support, the first screw rod is horizontally and movably arranged to penetrate through the first screw rod slide block, a first screw rod transmission assembly is arranged between the inner end wall of the movable penetrating part of the first screw rod slide block and the outer part of the first screw rod, the first screw rod positioned at one side corresponds to the position of the annular limiting frame, and the other side end wall movably penetrates through the first strip-shaped through groove to extend out, and the end part of the extending end of the first annular transmission frame is externally connected with the first motor, the lower end of the annular limiting frame is provided with a first annular groove, the upper end part of the first annular transmission frame is movably arranged in the first annular groove, a first screw rod connected with the first motor is close to the outside of one side end of the annular limiting frame, a first transmission gear is sleeved on the outside of one side end of the annular limiting frame, first screw rods positioned at other positions are close to the outside of one side end of the annular limiting frame, a second transmission gear is sleeved on the outside of the side end wall of the outer circumference of the first annular transmission frame, first transmission tooth grooves are uniformly arranged on the outer circumference end wall of the first annular transmission frame in equal radian, and the gear teeth of the first transmission gear and the second transmission gear and the first transmission tooth grooves are in mesh transmission mutually. The other side end of the guide block corresponding to the fixed end of the guide block is movably arranged in the guide groove, the first screw rod transmission assembly and the second screw rod transmission assembly are designed according to the existing screw rod transmission principle technology, and the first transmission gear and the second transmission gear can be bevel gears.
As an improvement of the invention, the second screw rod is vertically and movably arranged to penetrate through the second screw rod slide block, a second screw rod transmission assembly is arranged between the inner end wall of the movably penetrating part of the second screw rod slide block and the outside of the second screw rod, a second annular groove is arranged on the outer circumferential end wall of the upper annular bracket, the inner circumferential end wall of the second annular transmission bracket is movably arranged in the second annular groove, the cylindrical transmission bracket comprises a first cylindrical transmission bracket and a second cylindrical transmission bracket, the lower end of the motor bracket is vertically and movably connected with the first cylindrical transmission bracket, the inner circumferential end wall of the first cylindrical transmission bracket is uniformly provided with first key grooves in equal radian, the inner circumferential end wall of the second cylindrical transmission bracket is uniformly provided with second key grooves in equal radian, and the first key grooves and the second key grooves are arranged in opposite directions, the second motor output shaft vertically runs through the motor support extends downwards into in the cylindrical transmission frame, and it extends into the end outside and corresponds first keyway, second keyway position all articulate and are equipped with the actuating lever, the articulated opposite direction in position each other of actuating lever. A spring is arranged between the position of the driving rod close to the hinged end and the outside of the output shaft of the second motor.
As an improvement of the invention, the cylindrical transmission frame is positioned beside the position of the second annular transmission frame, a third transmission gear is sleeved outside the second cylindrical transmission frame, second transmission tooth grooves are uniformly formed in the circumferential end wall of the outer side of the second annular transmission frame in an equal radian, gear teeth outside the third transmission gear are in meshing transmission with the second transmission tooth grooves, a fourth transmission gear is sleeved outside the top end of the second screw rod, third transmission tooth grooves are uniformly formed in the lower end wall of the second annular transmission frame in an equal radian, gear teeth outside the fourth transmission gear are in meshing transmission with the third transmission tooth grooves, a third annular groove is formed in the top of the end wall of the inner side of the storage bin, a third annular transmission frame is movably arranged in the third annular groove, a fifth transmission gear is sleeved outside the first cylindrical transmission frame, and the fifth transmission gear partially movably extends into the third annular groove, the third annular transmission frame outside circumference end wall isoplanatic degree has evenly opened fourth transmission tooth's socket, the outside teeth of a cogwheel of fifth drive gear with the meshing transmission between the fourth transmission tooth's socket each other, hug closely the inboard end wall position of storage silo is vertical to be equipped with the scraper blade, scraper blade top end with the tip fixed connection under the third annular transmission frame, the storage silo bottom side is established to the mud bucket shape, go out the feed cylinder inner and be equipped with first switch guide valve body. The fourth transmission gear can select a bevel gear, and the first switch material guide valve body and the second switch material guide valve body can select an electric control switch valve body.
As an improvement of the invention, the second strip-shaped through grooves are vertical through grooves which are all arranged along the radius direction of the cross section of the disc-shaped support, the top of the aggregate bin is open, a stable support is horizontally and fixedly arranged between the support and the outer end wall of the aggregate bin, the first round shaft and the second round shaft which is right above the first round shaft are arranged in parallel at intervals, the first sliding block and the second sliding block are horizontally provided with first through holes, the first round shaft and the second round shaft are movably arranged by penetrating through the first through holes, the first sliding block and the second sliding block are vertically provided with positioning screw holes which are communicated with the first through holes, positioning screws are screwed into the positioning screw holes, the second sliding block is vertically provided with adjusting screw holes, and the adjusting screw rods are vertically arranged by penetrating through the adjusting screw holes, equal vertical division has the second through-hole on the first sliding block, the equal length direction one end tip of discharging pipe with the aggregate bin bottom inner chamber is linked together, other end tip activity in proper order runs through annular pipe support, second through-hole setting, discharging pipe feed end department all is equipped with second switch guide valve body.
As an improvement of the invention, a fourth annular groove is formed in the end wall of the inner side of the annular pipe frame, a fourth annular transmission frame is movably arranged in the fourth annular groove, a third motor is arranged on the end wall of the outer side of the annular pipe frame, a sixth transmission gear is sleeved on an output shaft of the third motor, the sixth transmission gear partially movably extends into the fourth annular groove, fifth transmission tooth grooves are uniformly formed in the end wall of the circumference of the outer side of the fourth annular transmission frame at equal radian, gear teeth outside the sixth transmission gear are in meshing transmission with the fifth transmission tooth grooves, protruding blocks are uniformly and fixedly arranged on the end wall of the inner side of the fourth annular transmission frame at equal radian, and the discharging pipe movably penetrates through the fourth annular transmission frame.
Compared with the prior art, the invention has the following advantages: the adjustable storage mechanism that the device was equipped with can realize the regulation and control of storage silo position height, and it is convenient to provide for the loading and unloading storage of fodder. The adjustable blanking mechanism that the device was equipped with can realize the regulation and control of discharging pipe crookedness to buffering when realizing that the fodder derives realizes even ejection of compact, the collection after the fodder of being convenient for derives. The scraper blade that is equipped with is when realizing the clearance of storage silo inner end wall, still helps the derivation of the fodder in the storage silo. The motion of lug can make the discharging pipe take place vibrations, and the discharging pipe vibrations are convenient for the derivation of fodder.
Drawings
FIG. 1 is a schematic view of the overall structure of a uniform feed blanking device according to the present invention;
FIG. 2 is a schematic view of the first cylindrical transmission frame;
FIG. 3 is a schematic view of the second barrel transmission;
FIG. 4 is a schematic view of the position of the bump;
list of reference numerals: 1. a support table; 2. a support; 3. an adjustable material storage mechanism; 4. an adjustable blanking mechanism; 5. a storage bin; 6. an annular limiting frame; 7. a vertical support; 8. a horizontal support; 9. a first bar-shaped through groove; 10. a first lead screw; 11. a first lead screw slide block; 12. a first motor; 13. a first endless drive frame; 14. an upper annular support; 15. a lower annular support; 16. a second lead screw; 17. a second lead screw slide block; 18. a connecting rod; 19. a motor bracket; 20. a second motor; 21. a second endless drive frame; 22. a discharging barrel; 23. a disc-shaped support; 24. a second strip-shaped through groove; 25. a first circular shaft; 26. a first slider; 27. a material collecting bin; 28. a second circular shaft; 29. a second slider; 30. adjusting the screw rod; 31. an annular pipe frame; 32. a discharge pipe; 33. a first drive gear; 34. a second transmission gear; 35. a first cylindrical transmission frame; 36. a second cylindrical transmission frame; 37. a first keyway; 38. a second keyway; 39. a drive rod; 40. a third transmission gear; 41. a fourth transmission gear; 42. a third endless drive frame; 43. a fifth transmission gear; 44. a squeegee; 45. a fourth annular transmission frame; 46. a sixth transmission gear; 47. a bump; 48. and (5) positioning the screw.
Detailed Description
Example 1: referring to fig. 1, 2, 3 and 4, the uniform feed blanking device provided by the invention is described, which comprises a support table 1 and support bases 2 vertically and fixedly arranged at the lower ends of the two sides of the support table 1 in the length direction, wherein the upper end of the support table 1 is provided with an adjustable storage mechanism 3, the lower end of the support table 1 is provided with an adjustable blanking mechanism 4, the adjustable storage mechanism 3 comprises a hollow cylindrical storage bin 5 vertically arranged right above the middle position of the support table 1, an annular limiting frame 6 sleeved outside the storage bin 5, a vertical support 7 uniformly fixed at the upper end of the support table 1 and positioned at the side of the annular limiting frame 6 in equal radian, a horizontal support 8 fixedly arranged between the end part of the top end of the vertical support 7 and the circumferential end wall outside the annular limiting frame 6, a first strip-shaped through groove 9 vertically arranged on the horizontal support 8, a first lead screw 10 and a first lead screw slider 11 arranged in the first strip-shaped through groove 9, A first motor 12 is arranged on a vertical bracket 7 positioned on one side, a first annular transmission frame 13 movably arranged at the lower end of an annular limiting frame 6, an upper annular bracket 14 fixedly sleeved at the upper side of the outer end of a storage bin 5, a lower annular bracket 15 fixedly sleeved at the outer end of the storage bin 5 and positioned below the upper annular bracket 14, a second screw rod 16 vertically arranged between the upper annular bracket 14 and the lower annular bracket 15 and corresponding to the position of a horizontal bracket 8, a second screw rod slide block 17 respectively sleeved at the outer part of the second screw rod 16, a connecting rod 18 respectively hinged between the second screw rod slide block 17 and a first screw rod slide block 11 close to the second screw rod slide block 17, a motor bracket 19 horizontally and fixedly arranged at the top of the side end wall of the storage bin 5, a second motor 20 arranged at the upper end of the motor bracket 19, a cylindrical transmission frame vertically and movably sleeved on the lower end wall of the motor bracket 19, and a second annular transmission frame 21 movably sleeved on the outer end wall of the upper annular bracket 14, 5 vertical intercommunication in middle part of the bottom of storage silo is equipped with a feed cylinder 22, go out the vertical activity of feed cylinder 22 and run through brace table 1 sets up, adjustable blanking mechanism 4 includes just be located between the support 2 the fixed second bar that is equipped with disc support 23, disc support 23 isoplanar and evenly opens and leads to groove 24, the second bar that all is equipped with in leading to the groove 24 first round axle 25, the first sliding block 26 that the outside equipotent movable sleeve of first round axle 25 was overlapped, the aggregate storehouse 27 that disc support 23 medial position directly over the level was equipped with, the second round axle 28 that just corresponds the equipotent level of first round axle 25 position and be equipped with on the end wall in the aggregate storehouse 27 outside, the second sliding block 29 that the outside equipotent movable sleeve of second round axle 28 was overlapped, the adjusting screw 30 that all vertically runs through on the second sliding block 29 was equipped with, the annular pipe support 31 that the equal vertical swing joint of adjusting screw 30 bottom tip was equipped with and the aggregate storehouse 27 bottom edge just correspond the equal position of second round axle 28 position Connected to an outlet pipe 32.
Example 2: referring to fig. 1, a uniform feed blanking device provided by the present invention is described, wherein the inner end apertures of the annular limiting frame 6 and the first annular transmission frame 13 are both larger than the diameter of the outer end of the cross section of the storage bin 5, the storage bin 5 is vertically and movably arranged to penetrate through the first annular transmission frame 13, the inner side end wall of the annular limiting frame 6 is uniformly and vertically fixed with a guide block at an equal radian, the outer end wall of the lower side of the storage bin 5 is uniformly and vertically provided with a guide groove at an equal radian, the horizontal supports 8 are all arranged along the inner end aperture direction of the annular limiting frame 6, the first strip-shaped through grooves 9 are all vertical through grooves and are all arranged along the length direction of the horizontal support 8, the first lead screw 10 is horizontally and movably arranged to penetrate through the first lead screw slider 11, a first lead screw transmission assembly is arranged between the inner end wall where the first lead screw slider 11 movably penetrates and the outer part of the first lead screw 10, the first screw rod 10 at one side is corresponding to the annular limiting frame 6, the other side end movably penetrates through the inner end wall of the first strip-shaped through groove 9 to extend out, the end part of the extending end of the first annular limiting frame is externally connected with the first motor 12, the lower end of the annular limiting frame 6 is provided with a first annular groove, the upper end part of the first annular transmission frame 13 is movably arranged in the first annular groove, a first transmission gear 33 is sleeved outside one side end of the first screw rod 10 connected with the first motor 12, which is close to the annular limiting frame 6, a second transmission gear 34 is sleeved outside one side end of the first screw rod 10, which is close to the annular limiting frame 6, first transmission tooth grooves are uniformly formed on the circumferential end wall of the outer side of the first annular transmission frame 13 in an equal radian, the gear teeth outside the first transmission gear 33 and the second transmission gear 34 are in meshing transmission with the first transmission gear groove.
Example 3: referring to fig. 1, 2 and 3, a uniform feed blanking device according to the present invention is now described, wherein the second lead screw 16 is vertically movably disposed through the second lead screw slider 17, a second lead screw transmission assembly is disposed between an inner end wall of the movably disposed portion of the second lead screw slider 17 and an outer portion of the second lead screw 16, a second annular groove is disposed on an outer circumferential end wall of the upper annular bracket 14, an inner end wall of the second annular transmission frame 21 is movably disposed in the second annular groove, the cylindrical transmission frame includes a first cylindrical transmission frame 35 vertically movably connected to a lower end of the motor bracket 19 and a second cylindrical transmission frame 36 vertically movably connected to a lower end of the first cylindrical transmission frame 35, first key slots 37 are uniformly disposed on an inner circumferential end wall of the first cylindrical transmission frame 35 at an equal radian, second key slots 38 are uniformly disposed on an inner circumferential end wall of the second cylindrical transmission frame 36 at an equal radian, the first key groove 37 and the second key groove 38 are arranged at opposite positions, the output shaft of the second motor 20 vertically penetrates through the motor support 19 and extends downwards into the cylindrical transmission frame, the extending end of the output shaft is external and is hinged with a driving rod 39 corresponding to the first key groove 37 and the second key groove 38, and the driving rods 39 are hinged at opposite positions.
Example 4: referring to fig. 1, a description will now be given of a uniform fodder blanking device provided by the present invention, in which the cylindrical transmission rack is located beside the position of the second annular transmission rack 21, a third transmission gear 40 is sleeved outside the second cylindrical transmission rack 36, second transmission tooth grooves are uniformly formed in the circumferential end wall of the outer side of the second annular transmission rack 21 in an equal radian manner, gear teeth outside the third transmission gear 40 and the second transmission tooth grooves are in meshing transmission with each other, a fourth transmission gear 41 is sleeved outside the top end of the second lead screw 16, third transmission tooth grooves are uniformly formed in the lower end wall of the second annular transmission rack 21 in an equal radian manner, gear teeth outside the fourth transmission gear 41 and the third transmission tooth grooves are in meshing transmission with each other, a third annular groove is formed in the top of the end wall of the inner side of the storage silo 5, and a third annular transmission rack 42 is movably disposed in the third annular groove, first cylindrical drive frame 35 outside cover has fifth drive gear 43, the local activity of fifth drive gear 43 stretches into in the third annular groove, equal radian evenly opens has the fourth transmission tooth's socket on the circumference end wall in third annular drive frame 42 outside, the outside teeth of a cogwheel of fifth drive gear 43 with the transmission of fourth transmission tooth's socket meshing each other is hugged closely 5 inboard end wall positions of storage silo are vertical to be equipped with scraper blade 44, scraper blade 44 top end with the tip fixed connection under the third annular drive frame 42, 5 bottom sides of storage silo establish to the mud bucket shape, go out feed cylinder 22 the inner and be equipped with first switch guide valve body.
Example 5: referring to fig. 1, a description will now be given of a uniform feed blanking device provided by the present invention, in which the second strip-shaped through grooves 24 are all vertical through grooves and are all formed along the radius direction of the cross section of the disc-shaped support 23, the top of the collecting bin 27 is open, a stable support is horizontally fixed between the support 2 and the outer end wall of the collecting bin 27, the first circular shaft 25 and the second circular shaft 28 directly above the first circular shaft are both arranged in parallel at intervals, the first sliding block 26 and the second sliding block 29 are both horizontally provided with first through holes, the first circular shaft 25 and the second circular shaft 28 are both movably arranged through the first through holes, the first sliding block 26 and the second sliding block 29 are both vertically provided with positioning screw holes, the positioning screw holes are communicated with the first through holes, the positioning screws 48 are screwed into the positioning screw holes, the second sliding block 29 is both vertically provided with adjusting screw holes, it is equipped with to all vertically run through in the adjusting screw 30, equal vertical division has the second through-hole on the first sliding block 26, the equal length direction one end tip of discharging pipe 32 with the inner chamber of aggregate bin 27 bottom is linked together, other end tip activity in proper order runs through annular pipe support 31, the setting of second through-hole, discharging pipe 32 feed end department all is equipped with second switch guide valve body.
Example 6: referring to fig. 1 and 4, a fourth annular groove is formed in an end wall on the inner side of the annular pipe frame 31, the fourth annular groove is movably disposed in a fourth annular transmission frame 45, a third motor is disposed on an outer end wall of the annular pipe frame 31, a sixth transmission gear 46 is sleeved on an output shaft of the third motor, the sixth transmission gear 46 partially and movably extends into the fourth annular groove, fifth transmission tooth grooves are uniformly formed in an end wall on the outer side of the fourth annular transmission frame 45 at an equal radian, gear teeth outside the sixth transmission gear 46 and the fifth transmission tooth grooves are in meshing transmission with each other, a bump 47 is uniformly fixed on the end wall on the inner side of the fourth annular transmission frame 45 at an equal radian, and the discharge pipe 32 movably penetrates through the fourth annular transmission frame 45.
The invention can also combine at least one of the technical characteristics described in the embodiments 2, 3, 4, 5 and 6 with the embodiment 1 to form a new implementation mode.
The working principle is as follows: the storage silo is used for storing of fodder, and the adjustable storage mechanism that is equipped with can realize the regulation and control of storage silo position, and the adjustable blanking mechanism that is equipped with can realize even ejection of compact. The first motor operates, can drive the first lead screw that is located one side and rotate, and the rotation of this first lead screw can drive the first lead screw that is located other positions department through first drive gear, first annular transmission frame, second drive gear and rotate, and the rotation of first lead screw can drive first lead screw slider along first lead screw length direction motion through first lead screw transmission assembly, and the regulation and control of storage silo position height can be realized through the connecting rod in the motion of first lead screw slider. Second motor corotation or reversal, through actuating lever and first keyway or the transmission of second keyway cooperation, can drive first cylindric driving frame and rotate or second cylindric driving frame rotates, second cylindric driving frame rotates and passes through third drive gear, second annular driving frame, fourth drive gear can drive the second lead screw and rotate, the rotation of second lead screw can drive second lead screw slider along the motion of second lead screw length direction through second lead screw drive assembly, the regulation and control of storage silo supporting point position can be realized in the motion of second lead screw slider, thereby indirectly influence the regulation and control of storage silo position height. The rotation of first cylindrical transmission frame can drive the scraper blade motion through fifth drive gear, third annular transmission frame, and the scraper blade still can help the derivation of fodder in the storage silo when realizing the clearance of end wall in the storage silo. The first switch guide valve body is opened, and the fodder in the storage silo is derived through a feed cylinder whereabouts, drops in the aggregate storehouse. The manual rotation set screw can realize the regulation and control of first sliding block at the epaxial horizontal position of first circle and the regulation and control of second sliding block at the epaxial horizontal position of second circle, and the regulation and control of annular pipe support position height can be realized to manual rotation adjusting screw. The discharging pipe runs through annular pipe support, second through-hole setting in proper order, and the regulation and control of first sliding block horizontal position, the regulation and control of second sliding block horizontal position and the regulation and control of annular pipe support position height can realize the regulation and control of discharging pipe bending degree, and the discharging pipe is crooked can make the fodder derive to have the buffering, realizes the even ejection of compact. The third motor operation can drive the fourth ring-shaped transmission frame through sixth drive gear and rotate, and the rotation of fourth ring-shaped transmission frame can drive the lug motion in the lump on its inner end wall, and the motion of lug can make the discharging pipe take place vibrations constantly, and the discharging pipe vibrations can be convenient for the derivation of its interior fodder.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.