CN216458494U - Feed stirring machine - Google Patents

Feed stirring machine Download PDF

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CN216458494U
CN216458494U CN202122790037.7U CN202122790037U CN216458494U CN 216458494 U CN216458494 U CN 216458494U CN 202122790037 U CN202122790037 U CN 202122790037U CN 216458494 U CN216458494 U CN 216458494U
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stirring
driving mechanism
rotating shaft
mixing
rotary
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罗曼婷
陈振玲
谢圣江
林金兰
陈金国
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Putian University
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Putian University
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Abstract

The utility model discloses a feed mixer, which comprises a mixing box and two groups of mixing mechanisms, wherein the mixing box is provided with a mixing box body; the stirring mechanism comprises an auger and a rotary driving mechanism; the auger comprises a rotating shaft, helical blades and a plurality of cutter heads, the cutter heads are sequentially sleeved at the rotating shaft along the axial direction of the rotating shaft, and the helical blades are wound at the side wall of the rotating shaft along the axial direction of the rotating shaft; the rotary driving mechanism is in transmission connection with the rotary shaft so as to drive the auger to rotate; the inside of agitator tank is the stirring storehouse, and the screw feeder of two sets of rabbling mechanisms is parallel and all can set up in the stirring storehouse axially rotating, and rotary drive mechanism locates outside the stirring storehouse. The two groups of screw conveyors are respectively provided with an independent rotary driving mechanism, the two groups of screw conveyors can be respectively controlled, the helical blades stir the materials and the cutter head cuts the materials, so that the materials are stirred more fully and uniformly.

Description

Feed stirring machine
Technical Field
The utility model relates to the field of feed processing equipment, in particular to a feed stirring machine.
Background
The mixing of the feed is an extremely important process, the final quality of the feed is determined, the feed is mixed by adopting manual stirring at first, but the manual stirring efficiency is low, the labor is very arduous, the labor cost is high, along with the development of science and technology and the society, the mechanized production is started to be used in all fields, the feed stirrer is started to be used in the animal husbandry industry, the efficiency is improved, but the current feed stirrer has the problem of uneven stirring, particularly when the feed made of fresh crops is stirred, the materials cannot be fully mixed, and the feed utilization rate is low.
SUMMERY OF THE UTILITY MODEL
Therefore, a feed stirring machine is needed to be provided to solve the problem that the uneven feed mixing and feed utilization of the stirring machine in the prior art are insufficient.
In order to achieve the aim, the inventor provides a feed stirring machine, which comprises a stirring box and two groups of stirring mechanisms;
the stirring mechanism comprises an auger and a rotary driving mechanism; the auger comprises a rotating shaft, helical blades and a plurality of cutter heads, the cutter heads are sequentially sleeved at the rotating shaft along the axial direction of the rotating shaft, and the helical blades are wound at the side wall of the rotating shaft along the axial direction of the rotating shaft; the rotary driving mechanism is in transmission connection with the rotary shaft so as to drive the auger to rotate;
the inside of agitator tank is the stirring storehouse, and the screw feeder of two sets of rabbling mechanisms is parallel and all can set up in the stirring storehouse axially rotatable, and rotary driving mechanism locates outside the stirring storehouse.
As a preferable structure of the present invention, the cutter head includes four fan-shaped blades, and the four blades are sequentially arranged along a circumferential direction of the rotating shaft.
As a preferable structure of the utility model, the cutter heads of the two groups of stirring mechanisms are arranged in a tangent way.
As a preferable structure of the present invention, the lead angle of the helical blade is 43.6 °.
As a preferable structure of the present invention, the rotation driving mechanism includes a rotating motor and a belt transmission mechanism, the rotating motor is in transmission connection with the rotating shaft through the belt transmission mechanism, and a belt of the belt transmission mechanism is a B-type V-belt.
As a preferable structure of the present invention, the rotation driving mechanism further includes a speed reducer, the rotating electric machine is in transmission connection with the speed reducer through a belt transmission mechanism, and the speed reducer is in transmission connection with the rotating shaft through a coupling.
As a preferred structure of the present invention, the present invention further comprises a humidity detection mechanism and a humidity adjustment mechanism; the humidity detection mechanism is arranged in the stirring bin to detect the humidity in the stirring bin; the humidity adjusting mechanism is connected with the stirring bin to adjust the humidity in the stirring bin.
As a preferred structure of the utility model, the device also comprises a particle detection mechanism and a controller, wherein the particle detection mechanism is arranged in the stirring bin to detect the particle size of the material in the stirring bin; the controller is connected with the rotary driving mechanism and the particle detection mechanism so as to control the rotary driving mechanism according to the detection result of the particle detection mechanism.
As a preferable structure of the present invention, the inner side wall of the stirring bin is inclined outward, and the included angle with the bottom surface of the stirring bin is 105 °.
As a preferred structure of the utility model, the stirring box is provided with a discharge port, the discharge port is provided with an opening and closing device, the opening and closing device comprises a door plate and a door plate driving mechanism, the door plate is translatably arranged on the side wall of the stirring box, and the door plate driving mechanism is in transmission connection with the door plate so as to drive the door plate to translationally close the discharge port or open the discharge port.
Different from the prior art, the feed stirring machine in the technical scheme comprises a stirring box and two groups of stirring mechanisms; the stirring mechanism comprises an auger and a rotary driving mechanism; the two groups of screw conveyors are respectively provided with an independent rotary driving mechanism, the rotating speeds of the two groups of screw conveyors can be respectively controlled, and the rotating speeds of the two groups of screw conveyors can be adjusted according to the particle size of the required feed; the spiral blades stir the materials and simultaneously the cutter disc cuts the materials, so that the materials are stirred more fully and uniformly; the rotary driving mechanism is arranged outside the stirring bin, so that the internal space of the stirring bin is avoided being occupied, the single stirring amount can be increased, and the efficiency is higher.
Drawings
FIG. 1 is a block diagram of a fodder mixing machine according to an embodiment of the present invention;
FIG. 2 is a top view of a fodder mixing machine according to an embodiment of the present invention;
FIG. 3 is a block diagram of a cutter head according to an embodiment of the present invention;
FIG. 4 is a block diagram of a housing according to an embodiment of the present invention;
fig. 5 is a positional relationship diagram of cutter heads of the two sets of stirring mechanisms according to the embodiment of the present invention.
Description of reference numerals:
1. a stirring box; 100. a cover plate; 101. a handle; 102. a discharge port; 103. a door panel; 104. a guide plate; 105. the inner side wall of the stirring bin; 106. the bottom surface of the stirring bin;
2. a rotating shaft;
3. a helical blade;
4. a cutter head; 400. a blade;
5. a rotating electric machine;
6. a primary pulley;
7. a secondary pulley;
8. a belt;
9. a speed reducer;
10. a coupling;
11. and (4) a bracket.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
The utility model provides a feed stirrer which is used for stirring mixed materials to form a feed, is particularly suitable for mixing fresh crops, can realize full stirring, and has the advantages of compact and simple integral design structure, low cost and high efficiency.
Referring to fig. 1, in a specific embodiment, the fodder mixing machine includes a mixing box 1 and two sets of mixing mechanisms, the mixing box 1 is provided with a mixing chamber therein to provide a mixing space for mixing the fodder, and the mixing mechanisms are used for directly participating in the mixing operation, so that the fodder mixed in the mixing chamber can be uniformly mixed.
Referring to fig. 2, the stirring mechanism includes an auger and a rotation driving mechanism; the auger comprises a rotating shaft 2, helical blades 3 and a plurality of cutter heads 4, wherein the cutter heads 4 are sequentially sleeved at the rotating shaft 2 along the axial direction of the rotating shaft 2, and the helical blades 3 are wound at the side wall of the rotating shaft 2 along the axial direction of the rotating shaft 2; the rotary driving mechanism is in transmission connection with the rotary shaft 2 so as to drive the auger to rotate; the screw feeders of the two groups of stirring mechanisms are arranged in the stirring bin in parallel and can be axially and rotationally arranged, and the rotary driving mechanism is arranged outside the stirring bin, so that the internal space of the stirring bin is avoided being occupied, the single stirring amount can be increased, and the efficiency is higher.
The two groups of screw conveyors are respectively provided with an independent rotary driving mechanism, the rotating speeds of the two groups of screw conveyors can be respectively controlled, and the rotating speeds of the two groups of screw conveyors can be adjusted according to the particle size of the required feed; the helical blade 3 cuts the material while the cutter head 4 stirs the material, so that the stirring is more sufficient and uniform.
In a further embodiment, two ends of the rotating shaft 2 are respectively arranged at the side wall of the stirring bin through bearings, and one end of the rotating shaft 2 penetrates out of the stirring box 1 to be in transmission connection with a rotating driving mechanism; the rotating shafts 2 of the two groups of stirring mechanisms are horizontally arranged, namely horizontally arranged.
In a further embodiment, the interval of two sets of rabbling mechanisms is adjustable, if rotation axis 2 adopts the detachable mounting means, agitator tank 1 is equipped with the multiunit mounting hole, helical blade 3 and blade disc 4 all install in rotation axis 2 department through bolt detachably, when needs adjust the interval of rabbling mechanism, can pull down helical blade 3 and blade disc 4, then with rotation axis 2 by a mounting hole removal to another mounting hole department, again with helical blade 3, blade disc 4 and rotary driving mechanism with rotation axis 2 be connected can. So the rotating speeds of the two sets of screw feeders can be respectively controlled, and the distance between the two sets of screw feeders is adjusted to adapt to different feed types, so that the particle size of the feed is controlled, and the feed can be stirred more fully and uniformly.
The cutter head 4 is detachably mounted at the rotating shaft 2, the cutter head 4 may be of various types, and a user may select different cutter heads 4 to be mounted at the rotating shaft 2 according to the material type, please refer to fig. 3, in a certain embodiment, the cutter head 4 includes four fan-shaped blades 400, and the four blades 400 are sequentially arranged along the circumferential direction of the rotating shaft 2. Specifically, the four blades 400 of the cutter disc 4 are in a rotating shape, i.e., a rotary cutter disc 4. Endpoints within the blade 400 follow the trajectory: x is the number ofa=rcos(2πnt+aa),ya=vt+rsin(2πnt+aa) The outer end point of the blade 400 follows the trajectory: x is the number ofb=(r+h)cos(2πnt+ab),yb=vt+(r+h)sin(2πnt+ab). When a isa=abWhen pi/4, the cutter disc 4 is provided with 4 blades 400, and the recutting rate is the ratio of different recutting areas to the total cutting area, so that the ratio of the recutting areas of the 4 blades 400 is relatively large, and the cutting is relatively good.
Referring to fig. 5, in a further embodiment, the impeller 4 of the two sets of mixing means are arranged tangentially, which is suitable for feed cutting, and the cutting pattern results in a lower cutting rate. In the cutting process, the situations that the cutting is incomplete and the material is damaged can not occur. Meanwhile, the outer end points of the blades 400 are tangent, so that the cutting of the materials is facilitated.
In a further embodiment, the helical blade 3 has a pitch angle of 43.6 °. In designing the helical curve of the helical blade 3, the helix angle is an important parameter in the helical curve. The helix rise angle is defined as the angle between the axial plane and the helix cut curve. When the helix angle is gradually increased, the stirring effect is also enhanced. However, the larger the rising angle of the screw becomes, the greater the resistance to be faced, and therefore the easier the stacking becomes, the weaker the material flow force becomes, the movement is hindered, and the stirring efficiency is lowered. When the helix angle is equal to 90 degrees, the effect of stirring is weak and almost none. The calculations are performed according to specific workloads and parameters.
s=(lBox body-lTank wall) Division of segment (1500-10) ÷ 5 ═ 298
The lead angle of the helical blade 3 is preferably:
Figure BDA0003355420090000051
in the process that the materials are stirred in the stirring bin, the motion tracks of the materials cannot be calculated, but the materials are mainly rolled up and down and axially moved left and right, the influence of the rotating speed of the auger is relatively large, and the auger not only influences the mixing quality, but also relates to the production rate. In the process of stirring and mixing materials in the stirring bin, in order to ensure high efficiency and save cost and resources, the materials are required to do compound motion, so that the cost can be greatly saved, the mixing efficiency can be greatly improved, and the mixing quality can be improved. The composite motion is repeated spatial motion, the material is influenced by the friction between the blades and the material and the friction between the materials, if the rotating speed of the auger reaches a certain degree, the centrifugal force of the auger becomes large, the centrifugal force increases along with the increase of the speed, when the centrifugal force of the material reaches a certain degree, the feed possibly starts to make jumping motion vertical to the stirring shaft surface, the control on material mixing is possibly gradually weakened, the axial thrust becomes smaller, and the comprehensive degree of mixing between the materials cannot reach the standard. Therefore, when the feed is stirred in the feed stirring bin, the centrifugal force caused by the screw on the material is based on the gravity smaller than that of the material under the condition that the abnormal condition does not occur, the stress of the material is the same as the movement trend of an object, and the stress of the object on the leaf surface can be analyzed. The rotating speed n of the auger can be generally within the range of 20r/min-60r/min, and the rotating speed of the auger is preferably 40r/min according to the chemical characteristics of various materials and the maximum limit rotating speed of the auger.
In a further embodiment, the agitatorThe inner side wall 105 of the stirring bin is inclined outwards, and forms an angle of 105 degrees with the bottom surface 106 of the stirring bin, as shown in a in fig. 4. The feed is mixed in the mixing tank 1, and the flow of the mixed material and the friction factor between the tank walls are related. If the flow power is not enough, the feed is easy to cause uneven mixing, and the poor flow of the feed is easy to cause damage to the inner wall of the box body, such as abrasion, corrosion and the like, so that the friction force is increased, and the blockage is caused. The end result is uneven mixing and substandard mix. The friction factor between the material being stirred and the helical blade 3 is here approximately 0.4. The length of the box body of the material box is lLong and long1600mm, width wWidth of1000mm, height hHeight of1000 mm. The feed is circulated from top to bottom during the mixing process in order to better ensure that the feed can be repeatedly thrown up all the time. Therefore, the inclination of the inner wall of the box body and the inclination of the bottom of the box body are 105 degrees, so that materials can smoothly slide downwards along the inner wall surface of the material box, and material stacking is effectively prevented.
The rotary driving mechanism comprises a rotary motor 5 and a belt transmission mechanism, the rotary motor 5 is in transmission connection with the rotary shaft 2 through the belt transmission mechanism, and a belt 8 of the belt transmission mechanism is a B-type V belt.
The diameter of the main belt pulley 6 is designed to be d by estimating the weight and speed of the stirred materiald1140 mm; the diameter of the secondary pulley 7 is designed to be dd2400mm, 50mm width of belt pulley, and the belt speed is about 7m/s during operation. The reference length of the belt is taken to be Ld2240mm, 682mm center-to-center distance a of the belt, an adjustable range of center-to-center distance should be required in view of installation and adjustment and compensation of tension forces: a is amin=648.4mm,amax749.2mm, the actual transmission ratio of the designed belt pulley is 2.915, and 3V belts are taken; minimum value F of initial tension on a single V-belt0About 250N. Sheave angle of belt pulley
Figure BDA0003355420090000071
Thickness d of the rimminThe primary pulley 6 is of a holed plate type and the secondary pulley 7 is of an oval spoke type, which are 6mm in diameter.
In a further embodiment, the rotary driving mechanism further comprises a speed reducer 9, the rotary motor 5 is in transmission connection with the speed reducer 9 through a belt transmission mechanism, and the speed reducer 9 is in transmission connection with the rotary shaft 2 through a coupler 10.
In order to better stir the fresh crops, in a further embodiment, the device further comprises a humidity detection mechanism and a humidity adjusting mechanism; the humidity detection mechanism is arranged in the stirring bin to detect the humidity in the stirring bin, and can be a sensor; the humidity adjusting mechanism is connected with the stirring bin to adjust the humidity in the stirring bin. The over-humidity detection device detects the humidity in the stirring bin, when the humidity does not reach the set value, humidification is carried out, and when the humidity exceeds the set value, drying and dehumidification are carried out to reach the required value. Humidity control mechanism can include drying-machine and humidifier, the gas outlet and the stirring storehouse intercommunication of drying-machine to add steam in to stirring the storehouse and dry, the gas outlet and the stirring storehouse intercommunication of humidifier carry out the humidification in order to add the moisture in stirring the storehouse. The humidity controller can further comprise a controller, wherein the controller is electrically connected with the humidity detection mechanism and the humidity regulator, the humidity value is preset, and the controller controls the humidity regulation mechanism to work through the numerical value detected by the preset humidity value and the humidity detection mechanism.
In order to stop the feed mixer from continuously working when the size of the feed particles meets the requirement, in a further embodiment, the feed mixer further comprises a particle detection mechanism and a controller, wherein the particle detection mechanism is arranged in the mixing bin to detect the size of the particles of the materials in the mixing bin, and the particle detection mechanism can be a sensor; the controller is connected with the rotary driving mechanism and the particle detection mechanism so as to control the rotary driving mechanism according to the detection result of the particle detection mechanism, and when the diameter of the material particles is smaller than or equal to the set size through detecting the size of the cut particles, the cutting is finished, the materials are uniformly mixed, and the rotary driving mechanism is controlled to stop working at the moment to finish stirring. Can be provided with the warning light, the warning light is connected with the controller, by the colour switching of controller control warning light, if after the stirring, the red light turns green.
The feed inlet of agitator tank 1 is preferred to be set up in agitator tank 1's top surface department, feed inlet department is equipped with apron 100, when needs feeding, mention apron 100, the material is poured into from the feed inlet, when stirring, apron 100 lid in feed inlet department, apron 100 can be made by glass, can audio-visually see the stirring process, the butterfly type hinge is used in the interlinkage between apron 100 and agitator tank 1, the hinge adopts the material to be 304 stainless steel, the hinge surface is the stainless steel true qualities, such connection advantage has bearing capacity good, the outward appearance is graceful, do fine simultaneously. The cover plate 100 can be provided with a handle 101, so that the cover plate 100 can be conveniently lifted and placed, and the handle 101 is made of 201 stainless steel.
The discharge port 102 of the stirring tank 1 is preferably arranged at a side surface of the stirring tank 1, and in order to facilitate discharging, in a further embodiment, the discharge port 102 is provided with an opening and closing device, the opening and closing device includes a door plate 103 and a door plate driving mechanism, the door plate 103 is translatably arranged at a side wall of the stirring tank 1, an outer side wall of the stirring tank 1 may be provided with a rail, and the door plate 103 is arranged at the rail and is movable along the rail; the door plate driving mechanism is in transmission connection with the door plate 103 to drive the door plate 103 to move horizontally to close the discharge port 102 or open the discharge port 102, the door plate driving mechanism is a linear driving mechanism, such as an air cylinder, an oil cylinder or an electric push rod, when the discharge port 102 needs to be opened, the door plate 103 is moved leftwards, rightwards or upwards, and when the discharge port 102 needs to be closed, the door plate 103 is moved reversely.
The door plate driving mechanism can also be electrically connected with the controller, and when the result detected by the particle detection mechanism meets the requirement, the controller controls the rotary driving mechanism to stop working, the door plate driving mechanism starts working, and the feed can be automatically led out from the discharge hole 102.
In a further embodiment, a guide plate 104 is arranged outside the discharge port 102, and the guide plate 104 is arranged at an angle of 45 degrees downwards and is used for guiding discharging.
The stirring box 1 and the rotary driving mechanism can be received by a bracket 11, and the bracket 11 can be designed according to the following descriptions: when the support 11 bears the load vertically, the bearing capacity is determined according to the square, and the middle plate constant load standard value f is 2.5 × 0.4 × 1 × 1 × 10 is 10KN, standard value N of live loadQ(2.5+2) × 1 × 1 ═ 4.5KN, because
Figure BDA0003355420090000081
The bottom of the support can be provided with foot sleeves, the foot sleeves can prevent the bottom of the support from rusting to play a role in protection, meanwhile, the floor can be prevented from being abraded, certain noises and the like can be eliminated, and the like.
The feed mixer is mainly made of two materials of stainless steel and carbon steel, the machine type sealing performance is particularly good, no residue exists, and the working principle is as follows: when materials to be mixed enter the stirring bin from the feeding hole, the rotating shaft 2 drives the helical blades 3 and the cutter head 4 to stir the materials, and meanwhile, the materials are continuously stirred, sheared and convectively diffused by self-rotation rolling, so that the aim of uniform mixing is fulfilled.
This fodder mixing machine's rotation axis 2, helical blade 3 and blade disc 4 are all detachable, and its parameter and structural design follow the optimization principle, drive two sets of screw feeders respectively by two rotating electrical machines 5, can adjust the rotational speed of two sets of screw feeders respectively as required to the centre-to-centre spacing of adjustable two sets of screw feeders adapts to different fodder types stirring, can make the fodder stirring more fully even. The rotary cutter can be used for mixing materials of different materials by adding different rotary cutters on the rotary shaft 2, so that the problem of uneven material mixing is reduced, multiple purposes are achieved, meanwhile, an electric control and monitoring mechanism is also arranged, the feed stirring process is monitored and judged, the feed stirring process is completed, the mechanical structure is compact, the appearance is attractive, the stirring is even, the quality is good, the cost is low, and the actual problem of uneven material mixing can be solved.
It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.

Claims (10)

1. A feed mixer is characterized by comprising a mixing box and two groups of mixing mechanisms;
the stirring mechanism comprises an auger and a rotary driving mechanism; the auger comprises a rotating shaft, helical blades and a plurality of cutter heads, the cutter heads are sequentially sleeved at the rotating shaft along the axial direction of the rotating shaft, and the helical blades are wound at the side wall of the rotating shaft along the axial direction of the rotating shaft; the rotary driving mechanism is in transmission connection with the rotary shaft so as to drive the auger to rotate;
the inside of agitator tank is the stirring storehouse, and the screw feeder of two sets of rabbling mechanisms is parallel and all can set up in the stirring storehouse axially rotating, and rotary drive mechanism locates outside the stirring storehouse.
2. A fodder mixing machine according to claim 1, wherein the cutter head comprises four fan-shaped blades, the four blades being arranged one after the other in the circumferential direction of the axis of rotation.
3. A mixer according to claim 1, wherein the impeller of the two sets of mixing means are arranged tangentially.
4. A fodder mixing machine according to claim 1, wherein the helix angle of the helical blade is 43.6 °.
5. The fodder mixing machine according to claim 1, wherein the rotary driving mechanism includes a rotary motor and a belt transmission mechanism, the rotary motor is in transmission connection with the rotary shaft through the belt transmission mechanism, and a belt of the belt transmission mechanism is a B-type V-belt.
6. The fodder mixing machine according to claim 5, wherein the rotary driving mechanism further comprises a speed reducer, the rotary motor is in transmission connection with the speed reducer through a belt transmission mechanism, and the speed reducer is in transmission connection with the rotary shaft through a coupling.
7. The fodder mixing machine according to claim 1, further comprising a humidity detecting mechanism and a humidity adjusting mechanism; the humidity detection mechanism is arranged in the stirring bin to detect the humidity in the stirring bin; the humidity adjusting mechanism is connected with the stirring bin to adjust the humidity in the stirring bin.
8. The fodder mixing machine according to claim 1, further comprising a particle detection mechanism, a controller, wherein the particle detection mechanism is disposed in the mixing bin to detect the particle size of the material in the mixing bin; the controller is connected with the rotary driving mechanism and the particle detection mechanism so as to control the rotary driving mechanism according to the detection result of the particle detection mechanism.
9. The fodder mixing machine as claimed in claim 1, wherein the inner side wall of the mixing chamber is inclined outwardly and forms an angle of 105 ° with the bottom surface of the mixing chamber.
10. The fodder mixing machine according to claim 1, wherein the mixing box is provided with a discharge opening, the discharge opening is provided with an opening and closing device, the opening and closing device comprises a door plate and a door plate driving mechanism, the door plate is translatably provided at the side wall of the mixing box, and the door plate driving mechanism is in transmission connection with the door plate to drive the door plate to translate to close the discharge opening or open the discharge opening.
CN202122790037.7U 2021-11-15 2021-11-15 Feed stirring machine Active CN216458494U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117942842A (en) * 2024-03-27 2024-04-30 卫辉市卫新机械有限公司 Full-day granary powder mixer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117942842A (en) * 2024-03-27 2024-04-30 卫辉市卫新机械有限公司 Full-day granary powder mixer
CN117942842B (en) * 2024-03-27 2024-05-31 卫辉市卫新机械有限公司 Full-day granary powder mixer

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