CN116020591A - Variable speed rice huller - Google Patents
Variable speed rice huller Download PDFInfo
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- CN116020591A CN116020591A CN202310103003.7A CN202310103003A CN116020591A CN 116020591 A CN116020591 A CN 116020591A CN 202310103003 A CN202310103003 A CN 202310103003A CN 116020591 A CN116020591 A CN 116020591A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The variable-speed rice huller comprises a frame and a feeding device positioned at the top of the frame, wherein a hulling device communicated with the feeding device is arranged in the frame, and a separating device communicated with the hulling device is arranged at one side of the frame; the shelling device comprises a driving roll shaft, a first driven roll shaft and a second driven roll shaft, wherein a first rubber roll which synchronously rotates is arranged on the first driven roll shaft, a second rubber roll which is matched with the first rubber roll is arranged on the second driven roll shaft, and a feeding inclined plate which is arranged corresponding to the first rubber roll and the second rubber roll is arranged at the bottom of the feeding device; compared with the prior art, under the action of the driving belt, the first driven roll shaft and the second driven roll shaft are synchronously driven to rotate, and under the action of belt wheels with different sizes, the first driven roll shaft and the second driven roll shaft are enabled to obtain different rotating speeds, so that the first rubber roll and the second rubber roll on the first driven roll shaft and the second driven roll shaft are enabled to obtain rotating speed differences, and shelling operation is achieved.
Description
Technical Field
The invention relates to the technical field of rice hullers, in particular to a variable speed rice huller.
Background
The rice huller is a grain processing machine for removing chaff from rice to prepare brown rice, and can remove the husk of the rice in the using process, reduce the explosion of the rice and the damage of the surface skin, and keep the integrity of the brown rice as much as possible. The rice huller mainly comprises a hopper feeding device, a machine head device, a rice hull separating chamber, a gear box, a frame and the like, and drives different rubber roller pieces to rotate through different gear boxes, so that rice hulling operation is realized under the action of linear speed difference of the two rubber roller pieces.
In the prior art, two sets of frequency converters and motors are generally required, and corresponding rubber roller pieces are arranged on the two sets of frequency converters and motors, so that the linear speed difference of the two rubber roller pieces is generated.
Chinese patent No. CN109641213a discloses a rice huller including a first driving system and a second driving system formed so that a pair of hulling rolls are rotated toward the inside at different circumferential speeds and are alternately switchable from a high speed side to a low speed side and from the low speed side to the high speed side of the hulling rolls.
The rice huller disclosed by the above drives the first hulling roller to rotate through the first driving system, and the second driving system drives the second hulling roller to rotate, so that the first hulling roller and the second hulling roller are driven to rotate at different rotating speeds under the action of different rotating forces of the first driving system and the second driving system, and the rotating speed difference of the first hulling roller and the second hulling roller is realized, and the hulling operation is realized.
But above-mentioned this kind of rice huller adopts two sets of actuating system, and the cost is higher, and when need adjust the shelling effect of rice huller, need adjust first actuating system and second actuating system respectively to adjust the rotational speed difference of first shelling roller and second shelling roller, waste time and energy, and when the required rotational speed of low-speed shelling roller is slower, actuating system drives shelling roller rotation and has the moment of torsion not enough, can't effectively realize the phenomenon of shelling operation.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the variable-speed rice huller which is reliable in torque, simple in structure and convenient to repair and maintain.
In order to achieve the above object, the present invention adopts the following technical scheme: the variable-speed rice huller comprises a frame and a feeding device positioned at the top of the frame, wherein a hulling device communicated with the feeding device is arranged in the frame, and a separating device communicated with the hulling device is arranged at one side of the frame; the shelling device comprises a driving roll shaft, a first driven roll shaft and a second driven roll shaft, wherein a first rubber roll which synchronously rotates is arranged on the first driven roll shaft, a second rubber roll which is matched with the first rubber roll is arranged on the second driven roll shaft, and a feeding inclined plate which is arranged corresponding to the first rubber roll and the second rubber roll is arranged at the bottom of the feeding device; the driving roller shaft is provided with a driving belt wheel which rotates synchronously, the first driven roller shaft is provided with a first slow belt wheel and a first fast belt wheel in a clutch mode, and the second driven roller shaft is provided with a second fast belt wheel and a second slow belt wheel in a clutch mode; the driving belt wheel, the first slow belt wheel and the second fast belt wheel are provided with a first transmission belt which is connected, and the driving belt wheel, the first fast belt wheel and the second slow belt wheel are provided with a second transmission belt which is connected.
As a preferable mode of the invention, the first driven roll shaft comprises a rotating shaft rotatably connected to the frame, the first slow belt pulley and the first fast belt pulley are rotatably connected to the rotating shaft, and a clutch connected with the first slow belt pulley or the first fast belt pulley is arranged in the rotating shaft.
As a preferable scheme of the invention, the clutch comprises a clutch sleeve and a connecting pin which rotates synchronously with the clutch sleeve, the clutch sleeve is arranged between the first slow belt pulley and the first fast belt pulley, the clutch sleeve rotates synchronously with the rotating shaft, clamping blocks which are clamped with the first slow belt pulley or the first fast belt pulley are respectively formed on two sides of the clutch sleeve, and clamping grooves which are matched with the clamping blocks are formed on the first slow belt pulley and the first fast belt pulley.
As a preferable scheme of the invention, a single-acting cylinder connected with the connecting pin is arranged in the rotating shaft, and a sealing element connected with the single-acting cylinder is arranged in the rotating shaft.
As a preferable scheme of the invention, a cylinder joint connected with the connecting pin is arranged on the cylinder rod of the single-acting cylinder, and a waist-shaped hole which is convenient for the connecting pin to move is formed on the rotating shaft.
As a preferable scheme of the invention, the end part of the rotating shaft is provided with a cylinder seat connected with the single-acting cylinder, and the cylinder seat is reserved with air holes.
As a preferable scheme of the invention, the cylinder seat is provided with a reducer union connected with the end part of the single-acting cylinder, the reducer union is provided with a rotary union, and the rotary union is connected with an air pipe.
As a preferable scheme of the invention, the rotary joint, the reducer joint and the cylinder seat are hollow structures communicated with the air pipe.
As a preferable scheme of the invention, the second driven roll shaft and the first driven roll shaft have the same structure, the second fast belt pulley and the first slow belt pulley are arranged in a staggered manner, and the second slow belt pulley and the first fast belt pulley are arranged in a staggered manner.
As a preferred embodiment of the invention, the shelling device further comprises a first tensioning wheel connected to the first belt and a second tensioning wheel connected to the second belt.
Compared with the prior art, the invention has the beneficial effects that:
1. under the action of a driving belt, the first driven roller shaft and the second driven roller shaft are synchronously driven to rotate, and under the action of belt wheels with different sizes, different rotating speeds of the first driven roller shaft and the second driven roller shaft are realized, so that the first rubber roller and the second rubber roller on the first driven roller shaft and the second driven roller shaft obtain rotating speed differences, the shelling operation is realized, and meanwhile under the action of the driving belt, the driving structure drives the first rubber roller and the second rubber roller to rotate at the same time, so that the first rubber roller and the second rubber roller have required torque in the rotating process;
2. the driving belt wheel drives the first driving belt and the second driving belt to drive, the belt wheels which synchronously rotate with the first driven roller shaft and the second driven roller shaft are switched according to the requirement, the rotating speed difference of one corresponding first rubber roller and second rubber roller can be obtained under the action of the first driving belt, the rotating speed difference of the other corresponding first rubber roller and second rubber roller can be obtained under the action of the second driving belt, the rotating speed switching of the first rubber roller and the second rubber roller is realized, and therefore the shelling requirements of different paddy are met;
3. the weight of the shaft can be reduced and the jumping is improved by arranging the rotating shaft with a hollow structure and the single-acting cylinder in the rotating shaft, and meanwhile, the device has few parts, simple structure and easy maintenance;
4. through setting up first take-up pulley and second take-up pulley, ensure that the drive belt is in tensioning state all the time, ensure the transmission stability of drive belt.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic illustration of the connection of the feeding device to the dehulling device;
FIG. 4 is a front view of the feeding device and the shelling device;
FIG. 5 is a top view of the feeding device and the dehulling device;
FIG. 6 is a drive schematic of a first drive belt;
FIG. 7 is a schematic illustration of the drive of the second belt;
fig. 8 is a schematic structural view of the first driven roller shaft;
fig. 9 is a front view of the first driven roller shaft;
FIG. 10 is a cross-sectional view taken along the A-A plane in FIG. 9;
FIG. 11 is an enlarged view of a portion of FIG. 10;
FIG. 12 is a schematic structural view of a rotating shaft;
FIG. 13 is a schematic view of the clutch installation;
fig. 14 is a schematic structural view of a pulley;
fig. 15 is a schematic structural view of a second driven roller shaft;
fig. 16 is a front view of the second driven roller shaft;
FIG. 17 is a cross-sectional view taken along the B-B plane in FIG. 16;
reference numerals: the shelling device comprises a frame 1, a feeding device 2, a shelling device 3, a separating device 4, a first driven roll shaft 5, a first rubber roll 51, a first slow belt pulley 52, a first fast belt pulley 53, a second driven roll shaft 6, a second rubber roll 61, a second fast belt pulley 62, a second slow belt pulley 63, a driving roll shaft 7, a first tensioning wheel 8, a second tensioning wheel 9, a first driving belt 10, a second driving belt 11, a clutch sleeve 12, a clamping block 121, a rotating shaft 13, a waist-shaped hole 131, a single-acting cylinder 14, a cylinder joint 15, a connecting pin 16, a sealing piece 17, a cylinder block 18, a reducing joint 19, a rotating joint 20, a feeding inclined plate 21 and a clamping groove 22.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-17, a variable speed rice huller comprises a frame 1 and a feeding device 2 positioned at the top of the frame 1, wherein a hulling device 3 communicated with the feeding device 2 is arranged in the frame 1, and a separating device 4 communicated with the hulling device 3 is arranged at one side of the frame 1; the shelling device 3 comprises a driving roll shaft 7, a first driven roll shaft 5 and a second driven roll shaft 6, wherein a first rubber roll 51 which rotates synchronously is arranged on the first driven roll shaft 5, a second rubber roll 61 which is matched with the first rubber roll 51 is arranged on the second driven roll shaft 6, and a feeding inclined plate 21 which is arranged corresponding to the first rubber roll 51 and the second rubber roll 61 is arranged at the bottom of the feeding device 2; the driving roller shaft 7 is provided with a driving belt pulley 71 which rotates synchronously, the first driven roller shaft 5 is provided with a first slow belt pulley 52 and a first fast belt pulley 53 in a clutching mode, and the second driven roller shaft 6 is provided with a second fast belt pulley 62 and a second slow belt pulley 63 in a clutching mode; the driving pulley 71, the first slow pulley 52 and the second fast pulley 62 are provided with a first transmission belt 10 connected with each other, and the driving pulley 71, the first fast pulley 53 and the second slow pulley 63 are provided with a second transmission belt 11 connected with each other.
The feed inlet has been seted up at feed arrangement 2 top to through pouring the corn into the feed inlet to on the feed swash plate 21 drops under the effect of gravity, realize that the corn slides down along the incline direction of feed swash plate 21 under the inclination's of feed swash plate 21 effect, between feed swash plate 21 bottom corresponds first rubber roll 51 and second rubber roll 61, the corn falls to between first rubber roll 51 and the second rubber roll 61 after, realize the shelling operation to the corn under the effect of first rubber roll 51 and second rubber roll 61 that has the rotational speed difference, the rotation speed of first rubber roll 51 is controlled through first slow band pulley 52 or first fast band pulley 53, the rotation speed of second rubber roll 61 is controlled through second fast band pulley 62 and second slow band pulley 63.
Under the action of the driving belt pulley 71, the first driving belt 10 and the second driving belt 11 are synchronously driven, the first driving belt 10 drives the first slow belt pulley 52 and the second fast belt pulley 62 to rotate, when the first slow belt pulley 52 is connected with the first driven roller shaft 5 through a clutch, the first slow belt pulley 52 drives the first driven roller shaft 5 to synchronously rotate, when the second fast belt pulley 62 is connected with the second driven roller shaft 6 through the clutch, the second fast belt pulley 62 drives the second driven roller shaft 6 to synchronously rotate, and accordingly under the action of the driving belt pulley 71, the first driven roller shaft 5 and the second driven roller shaft 6 are driven to rotate, the first rubber roller 51 and the second rubber roller 61 are synchronously driven to rotate, the shelling operation is achieved, at the moment, the rotational speeds of the first rubber roller 51 and the first driven roller shaft 5 are consistent with the rotational speeds of the first slow belt pulley 52, the rotational speeds of the second rubber roller 61 and the second driven roller shaft 6 are consistent with the rotational speeds of the second fast belt pulley 62, and the diameters of the first slow belt pulley shaft 52 are larger than the first slow belt pulley shaft 52 and larger than the second rubber roller shaft 52 and the second driven roller shaft 6 are smaller than the first driven roller shaft 5 and the second driven roller shaft 6 and smaller than the second driven roller shaft 5 and idle rotates at the idle rotation speeds of the second belt pulley 6 and smaller than the first belt pulley 5 and the second belt pulley is smaller than the second driven belt pulley 5 is.
Similarly, when the first fast pulley 53 is connected with the first driven roll shaft 5 through the clutch, the first fast pulley 53 drives the first driven roll shaft 5 to synchronously rotate, when the second slow pulley 63 is connected with the second driven roll shaft 6 through the clutch, the second slow pulley 63 drives the second driven roll shaft 6 to synchronously rotate, thereby under the action of the driving pulley 71, the first driven roll shaft 5 and the second driven roll shaft 6 are driven to synchronously rotate, the first rubber roll 51 and the second rubber roll shaft 61 are synchronously driven to rotate, shelling operation is achieved, at the moment, the rotating speed of the first rubber roll 51 and the first driven roll shaft 5 is consistent with the rotating speed of the first fast pulley 53, the rotating speed of the second rubber roll 61 and the second driven roll shaft 6 is consistent with the rotating speed of the second slow pulley 63, and under the condition that the rotating speed of the driving pulley 71 is consistent, the diameter of the first fast pulley 53 is smaller, the diameter of the second slow pulley 63 is larger, the rotating speed of the second rubber roll shaft 61 and the second driven roll shaft 6 is slower, and the first rubber roll shaft 52 idles on the first driven roll shaft 5 and the second driven roll shaft 52 is idle on the first driven roll shaft 5.
Because the first driving belt 10 and the second driving belt 11 are driven by the driving belt pulley 71, the linear speeds of the first driving belt 10 and the second driving belt 11 in the driving process are the same, the first driven roll shaft 5 and the second driven roll shaft 6 are driven by the belt pulleys with different sizes to obtain different rotating speeds, the first slow belt pulley 52 and the first fast belt pulley 53 are rotatably connected to the first driven roll shaft 5 through bearings, and the second fast belt pulley 62 and the second slow belt pulley 63 are rotatably connected to the second driven roll shaft 6 through bearings.
The clutches on the first driven roll shaft 5 and the second driven roll shaft 6 run synchronously, and when the clutch on the first driven roll shaft 5 is connected with the first slow belt pulley 52, the clutch on the second driven roll shaft 6 is connected with the second fast belt pulley 62, so that the first driven roll shaft 5 and the second driven roll shaft 6 are driven to rotate under the action of the first driving belt 10.
Similarly, when the clutch on the first driven roll shaft 5 is connected with the first fast belt pulley 53, the clutch on the second driven roll shaft 6 is connected with the second slow belt pulley 63, so that the first driven roll shaft 5 and the second driven roll shaft 6 are driven to rotate under the action of the second driving belt 11.
The first driven roller shaft 5 comprises a rotating shaft 13 rotatably connected to the frame 1, a first slow belt pulley 52 and a first fast belt pulley 53 are rotatably connected to the rotating shaft 13, and a clutch connected with the first slow belt pulley 52 or the first fast belt pulley 53 is arranged in the rotating shaft 13.
The frame 1 is provided with a bearing sleeved on the rotating shaft 13, so that the rotating connection between the rotating shaft 13 and the frame 1 is realized, the first slow belt pulley 52 and the first fast belt pulley 53 are also connected on the rotating shaft 13 through the bearing in a rotating way, a clutch is arranged between the first slow belt pulley 52 and the first fast belt pulley 53, and the clutch is connected with the first slow belt pulley 52 or the first fast belt pulley 53.
The clutch comprises a clutch sleeve 12 and a connecting pin 16 which rotates synchronously with the clutch sleeve 12, the clutch sleeve 12 is arranged between a first slow belt pulley 52 and a first fast belt pulley 53, the clutch sleeve 12 rotates synchronously with a rotating shaft 13, clamping blocks 121 which are clamped with the first slow belt pulley 52 or the first fast belt pulley 53 are respectively formed on two sides of the clutch sleeve 12, and clamping grooves 22 which are matched with the clamping blocks 121 are respectively formed on the first slow belt pulley 52 and the first fast belt pulley 53.
The connecting pin 16 is arranged along the radial direction of the rotating shaft 13, the clutch sleeve 12 is sleeved on the rotating shaft 13, a lug which is in sliding connection with the clutch sleeve 12 is formed on the rotating shaft 13, and the lug is arranged along the axial direction of the rotating shaft 13, so that the clutch sleeve 12 synchronously rotates in the rotating process of the rotating shaft 13, the clutch sleeve 12 is in sliding connection along the axial direction of the rotating shaft 13, the connecting pin 16 is spliced with the clutch sleeve 12, and the connecting pin 16 is synchronously driven to rotate in the rotating process of the clutch sleeve 12.
The rotating shaft 13 is of a hollow structure with a single-end opening, a single-acting cylinder 14 connected with a connecting pin 16 is arranged in the hollow structure, a sealing piece 17 connected with the single-acting cylinder 14 is arranged in the rotating shaft 13, a cylinder rod of the single-acting cylinder 14 is arranged along the axial direction of the rotating shaft 13, the connecting pin 16 is driven to move along the axial direction of the rotating shaft 13 under the action of the single-acting cylinder 14, an external thread is formed at the front cylinder body of the single-acting cylinder 14, the sealing piece 17 is of a high-temperature resistant structure, an internal thread connected with the front cylinder body of the single-acting cylinder 14 is formed at the sealing piece 17, the sealing piece 17 is connected in the rotating shaft 13 in an interference fit mode, and the sealing piece 17 is used for positioning and dust prevention of the front centers of the single-acting cylinder 14 and the rotating shaft 13 under the action of the sealing piece 17.
The cylinder rod of the single-acting cylinder 14 is provided with a cylinder joint 15 connected with a connecting pin 16, and the rotating shaft 13 is provided with a waist-shaped hole 131 for facilitating the movement of the connecting pin 16.
The cylinder joint 15 is fixedly connected with the cylinder rod of the single-acting cylinder 14 through threads, the connecting pin 16 is inserted into the cylinder joint 15, the cylinder joint 15 is a Y/I joint, the waist-shaped hole 131 is arranged along the axial direction of the rotating shaft 13, and the connecting pin 16 on the cylinder joint 15 is driven to move in the waist-shaped hole 131 in the expansion and contraction process of the cylinder rod of the single-acting cylinder 14.
The end of the rotating shaft 13 is provided with a cylinder seat 18 connected with the single-acting cylinder 14, an air hole is reserved on the cylinder seat 18, air pushed by an air cylinder rod is discharged through the cylinder seat 18, the cylinder body at the tail part of the single-acting cylinder 14 is in threaded connection with the cylinder seat 18, the cylinder seat 18 and the single-acting cylinder 14 are locked through a locking bolt, relative rotation between the cylinder seat 18 and the single-acting cylinder 14 is prevented, the single-acting cylinder 14 is ensured to be arranged at the center of the rotating shaft 13, the single-acting cylinder 14 is not directly contacted with the rotating shaft 13 under the action of a sealing piece 17 and the cylinder seat 18, the functions of shock resistance and heat resistance are achieved on the single-acting cylinder 14, and the service life of the single-acting cylinder 14 is prolonged.
The cylinder block 18 is provided with a reducer union 19 connected with the end part of the single-acting cylinder 14, the reducer union 19 is provided with a rotary union 20, the rotary union 20 is connected with an air pipe, the reducer union 19 is used for connecting the rotary union 20, and the connecting size requirement of the rotary union 20 is compounded.
The rotary joint 20, the reducer joint 19 and the cylinder seat 18 are of hollow structures communicated with the air pipe, the rotary joint 20 is connected with the air pipe, the reducer joint 19 and the cylinder seat 18 synchronously rotate with the rotary shaft 13 in the rotation process of the rotary shaft 13, and the rotary joint 20 is always in a relatively static state, so that the air pipe is always in the relatively static state, and the arrangement of the air pipe is facilitated.
The second driven roll shaft 6 has the same structure as the first driven roll shaft 5, the second fast belt wheels 62 are staggered with the first slow belt wheels 52, and the second slow belt wheels 63 are staggered with the first fast belt wheels 53.
The second driven roll shaft 6 also comprises a rotating shaft 13 rotatably connected to the frame 1, the frame 1 is provided with a bearing sleeved on the rotating shaft 13, so that the rotating connection between the rotating shaft 13 and the frame 1 is realized, the second quick belt pulley 62 and the second slow belt pulley 63 are rotatably connected to the rotating shaft 13 through the bearings, a clutch is arranged between the second quick belt pulley 62 and the second slow belt pulley 63, and the clutch is connected with the second quick belt pulley 62 or the second slow belt pulley 63.
The shelling device 3 further comprises a first tensioning wheel 8 connected with a first driving belt 10 and a second tensioning wheel 9 connected with a second driving belt 11, a swing arm connected with the first tensioning wheel 8 is arranged in the shelling device 3, the first tensioning wheel 8 is rotationally connected to the swing arm, the swing arm is rotationally connected to the shelling device 3, and the tensioning force of the first driving belt 10 connected with the first tensioning wheel 8 is adjusted through the rotation of the swing arm.
The swing arm connected with the second tensioning wheel 9 is arranged in the same-structure shelling device 3, the second tensioning wheel 9 is rotationally connected to the swing arm, the swing arm is rotationally connected to the shelling device 3, and the tensioning force of the second transmission belt 11 connected with the second tensioning wheel 9 is adjusted through the rotation of the swing arm.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the shelling device comprises a frame 1, a feeding device 2, a shelling device 3, a separating device 4, a first driven roller shaft 5, a first rubber roller 51, a first slow belt pulley 52, a first fast belt pulley 53, a second driven roller shaft 6, a second rubber roller 61, a second fast belt pulley 62, a second slow belt pulley 63, a driving roller shaft 7, a first tensioning wheel 8, a second tensioning wheel 9, a first driving belt 10, a second driving belt 11, a clutch sleeve 12, a clamping block 121, a rotating shaft 13, a waist-shaped hole 131, a single-acting cylinder 14, a cylinder joint 15, a connecting pin 16, a sealing piece 17, a cylinder block 18, a reducing joint 19, a rotating joint 20, a feeding inclined plate 21, a clamping groove 22 and the like, but the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (10)
1. The utility model provides a variable speed rice huller, includes frame (1) and is located feed arrangement (2) at frame (1) top, is equipped with in frame (1) and is linked together with feed arrangement (2) hulling device (3), and frame (1) one side is equipped with separation device (4) that are linked together with hulling device (3); the shelling device is characterized in that the shelling device (3) comprises a driving roll shaft (7), a first driven roll shaft (5) and a second driven roll shaft (6), a first rubber roll (51) which rotates synchronously is arranged on the first driven roll shaft (5), a second rubber roll (61) which is matched with the first rubber roll (51) is arranged on the second driven roll shaft (6), and a feeding inclined plate (21) which is arranged corresponding to the first rubber roll (51) and the second rubber roll (61) is arranged at the bottom of the feeding device (2); a driving belt wheel (71) which synchronously rotates is arranged on the driving roll shaft (7), a first slow belt wheel (52) and a first fast belt wheel (53) are arranged on the first driven roll shaft (5) in a clutching mode, and a second fast belt wheel (62) and a second slow belt wheel (63) are arranged on the second driven roll shaft (6) in a clutching mode; the driving belt wheel (71), the first slow belt wheel (52) and the second fast belt wheel (62) are provided with a first transmission belt (10) which is connected, and the driving belt wheel (71), the first fast belt wheel (53) and the second slow belt wheel (63) are provided with a second transmission belt (11) which is connected.
2. A variable speed rice huller as claimed in claim 1, wherein the first driven roll shaft (5) includes a rotation shaft (13) rotatably connected to the frame (1), the first slow pulley (52) and the first fast pulley (53) are rotatably connected to the rotation shaft (13), and a clutch connected to the first slow pulley (52) or the first fast pulley (53) is provided in the rotation shaft (13).
3. The variable speed rice huller as recited in claim 2, wherein the clutch includes a clutch sleeve (12) and a connecting pin (16) rotating synchronously with the clutch sleeve (12), the clutch sleeve (12) is disposed between the first slow belt wheel (52) and the first fast belt wheel (53), the clutch sleeve (12) rotates synchronously with the rotating shaft (13), clamping blocks (121) clamped with the first slow belt wheel (52) or the first fast belt wheel (53) are respectively formed on two sides of the clutch sleeve (12), and clamping grooves (22) matched with the clamping blocks (121) are formed on the first slow belt wheel (52) and the first fast belt wheel (53).
4. A variable speed rice huller as claimed in claim 3, wherein a single acting cylinder (14) connected to the connecting pin (16) is provided in the rotation shaft (13), and a sealing member (17) connected to the single acting cylinder (14) is provided in the rotation shaft (13).
5. A variable speed rice huller as claimed in claim 4, wherein the cylinder rod of the single acting cylinder (14) is provided with a cylinder joint (15) connected with the connecting pin (16), and the rotary shaft (13) is formed with a waist-shaped hole (131) for facilitating movement of the connecting pin (16).
6. The variable speed rice huller as recited in claim 5, wherein a cylinder block (18) connected with the single acting cylinder (14) is provided at an end of the rotation shaft (13), and ventilation holes are reserved in the cylinder block (18).
7. The variable speed rice huller as recited in claim 6 wherein said cylinder block (18) is provided with a reducer union (19) connected to an end of the single acting cylinder (14), the reducer union (19) is provided with a rotary union (20), and the rotary union (20) is connected with an air pipe.
8. A variable speed rice huller as defined in claim 7 wherein said rotary joint (20), said reducer joint (19) and said cylinder block (18) are hollow structures communicating with the air pipe.
9. A variable speed rice huller as defined in claim 8, wherein said second driven roll shaft (6) is identical in structure to said first driven roll shaft (5), said second fast belt pulley (62) is interlaced with said first slow belt pulley (52), and said second slow belt pulley (63) is interlaced with said first fast belt pulley (53).
10. A variable speed rice huller as claimed in claim 1, wherein the hulling device (3) further comprises a first tensioning wheel (8) connected to the first drive belt (10) and a second tensioning wheel (9) connected to the second drive belt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310103003.7A CN116020591B (en) | 2023-02-13 | 2023-02-13 | Variable speed rice huller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310103003.7A CN116020591B (en) | 2023-02-13 | 2023-02-13 | Variable speed rice huller |
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| Publication Number | Publication Date |
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| CN116020591A true CN116020591A (en) | 2023-04-28 |
| CN116020591B CN116020591B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310103003.7A Active CN116020591B (en) | 2023-02-13 | 2023-02-13 | Variable speed rice huller |
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