CN116099749A

CN116099749A - Nutritional rice processing equipment and processing technology thereof

Info

Publication number: CN116099749A
Application number: CN202310021849.6A
Authority: CN
Inventors: 邓琪
Original assignee: Guangdong Jinliang Daofeng Agricultural Technology Co ltd
Current assignee: Guangdong Jinliang Daofeng Agricultural Technology Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-05-12

Abstract

The application relates to the field of rice processing equipment, in particular to nutrition rice processing equipment, which comprises a base, a lifting piece, a lifting driving mechanism and a screening mechanism; the lifting piece is in sliding fit with the base, and the lifting driving mechanism is used for driving the lifting piece to lift; the screening mechanism comprises a screening net, a first rotary rod, a rotary disc, an eccentric rod, a connecting rod, a bracket and a rotary driving assembly; the support is fixed on the base, the first rotating rod is rotationally connected with the support, and the rotation driving assembly is used for driving the first rotating rod to rotate; the rotating disc is fixed at one end of the first rotating rod, the eccentric rod is fixed on the rotating disc, and the eccentric rod is positioned at the eccentric position of the rotating disc; the screening net and the lifting piece are in sliding fit, one end of the connecting rod is rotationally connected with the screening net, and the other end of the connecting rod is rotationally connected with the eccentric rod. The application has promoted the screening effect to nutrition rice.

Description

Nutritional rice processing equipment and processing technology thereof

Technical Field

The application relates to the field of rice processing equipment, in particular to nutrition rice processing equipment and a processing technology thereof.

Background

Rice, also called rice, is food made by rice after the working procedures of cleaning, hulling, milling, finishing finished products and the like, is a main food for people in most areas of China, qualified rice products need to be carefully screened, the conventional rice screening machine can basically meet the daily use requirements of rice processing, and certain defects still need to be improved.

The existing rice screening equipment is used for screening nutritional rice, the nutritional rice is generally put in the upper end of an inclined screen, so that the nutritional rice slides downwards along the upper surface of the screen, broken grains in the nutritional rice are screened out by the screen, but the nutritional rice is easily mixed in the screen in a screening mode, the broken grains cannot smoothly permeate the screen when sliding downwards along with the whole grains, and only the screen is made to be long enough, the broken grains can permeate the screen, so that the equipment is large in size and inconvenient to use, and the screening effect is poor.

Disclosure of Invention

In order to improve the screening effect to nutrition rice, the application provides nutrition rice processing equipment and processing technology thereof.

In a first aspect, the present application provides a nutritional rice processing apparatus employing the following technical scheme:

a nutritional rice processing device comprises a base, a lifting piece, a lifting driving mechanism and a screening mechanism; the lifting piece is in sliding fit with the base, and the lifting driving mechanism is used for driving the lifting piece to lift;

the screening mechanism comprises a screening net, a first rotary rod, a rotary disc, an eccentric rod, a connecting rod, a bracket and a rotary driving assembly; the support is fixed on the base, the first rotating rod is rotationally connected with the support, and the rotation driving assembly is used for driving the first rotating rod to rotate; the rotating disc is fixed at one end of the first rotating rod, the eccentric rod is fixed on the rotating disc, and the eccentric rod is positioned at the eccentric position of the rotating disc; the screening net and the lifting piece are in sliding fit, one end of the connecting rod is rotationally connected with the screening net, and the other end of the connecting rod is rotationally connected with the eccentric rod.

Through adopting above-mentioned technical scheme, lift actuating mechanism drive lifter goes up and down, the lifter drives the screening net and goes up and down, thereby be convenient for adjust the height of screening net, after the screening net adjusts suitable height, the staff falls the nutrition rice that needs to sieve on the screening net, then it is rotatory through rotatory drive assembly drive first rotary rod, first rotary rod drives the rotary disk rotatory at rotatory in-process, the rotary disk drives eccentric rod rotatory at rotatory in-process, because eccentric rod is located the eccentric position of rotary disk, eccentric rod drives the one end motion of connecting rod at rotatory in-process, the other end of connecting rod drives screening net reciprocating motion on the lifter, screening net realizes the screening to nutrition rice at reciprocating motion's in-process, thereby the screening effect to nutrition rice has been promoted.

Optionally, the rotary driving assembly comprises a conveyor belt, a first belt pulley, a second belt pulley and a first motor; the first motor is fixed on the base, an output shaft of the first motor penetrates through the first belt pulley and is fixedly connected with the first belt pulley, and the first rotating rod penetrates through the second belt pulley and is fixedly connected with the second belt pulley; the conveyor belt is arranged between the first belt pulley and the second belt pulley in a surrounding mode, a first clearance groove is formed in the support, and the conveyor belt penetrates through the first clearance groove.

By adopting the technical scheme, the first motor drives the first belt pulley to rotate, and the conveying belt is arranged between the first belt pulley and the second belt pulley in a surrounding manner, so that the first belt pulley drives the second belt pulley to rotate in the rotating process, and the second belt pulley drives the first rotary rod to rotate in the rotating process, thereby realizing automatic control of movement of the screening net, not only providing the screening effect of the screening net on the nutritional rice, but also reducing the labor intensity of workers; meanwhile, the conveyor belt passes through the first avoidance groove, so that the conveyor belt can not contact the support in the moving process, the conveyor belt is protected, and the service life of the conveyor belt is prolonged.

Optionally, the base comprises a bottom plate and a plurality of guide cylinders, and the bottom ends of the guide cylinders are fixedly connected with the bottom plate; the lifting piece comprises a bearing frame and a plurality of guide rods, and the top ends of the guide rods are fixedly connected with the bearing frame; the guide rods are in one-to-one correspondence with the guide cylinders, a plurality of guide rods are respectively penetrated through the guide cylinders, and the guide rods are respectively in sliding fit with the guide cylinders; the screening net is in sliding fit with the bearing frame.

Through adopting above-mentioned technical scheme, the guide cylinder has the guide effect to the guide bar to have the guide effect to bearing the frame, increased the stability that bears the frame and go up and down, thereby increased the stability that sieves the net goes up and down.

Optionally, the lifting driving mechanism comprises a lifting cylinder, a screw rod, a second rotating rod and a lifting driving assembly; the lifting cylinder is fixedly connected with the bearing frame, the bottom end of the screw rod is fixedly connected with the top end of the second rotating rod, the bottom end of the second rotating rod is rotationally connected with the bottom plate, the top end of the screw rod penetrates through the lifting cylinder, and the screw rod is in threaded fit with the lifting cylinder; the lifting driving assembly is arranged on the bottom plate and used for driving the second rotating rod to rotate.

Through adopting above-mentioned technical scheme, because lead screw and lift section of thick bamboo screw thread fit, through lift drive assembly drive second rotary rod rotation, the second rotary rod drives the lead screw rotatory at rotatory in-process, and the lead screw drives the lift section of thick bamboo at rotatory in-process and goes up and down, and the lift section of thick bamboo drives and bears the frame and go up and down to be convenient for adjust the height that bears frame and screening net according to actual conditions.

Optionally, the lifting driving assembly comprises a worm gear, a worm, a second motor and two supporting blocks; the two supporting blocks are fixed on the bottom plate, and two ends of the worm are respectively connected with the two supporting blocks in a rotating way; the worm wheel is sleeved on the second rotating rod and fixedly connected with the second rotating rod, and the worm wheel is meshed with the worm; the second motor is fixed on the bottom plate, and an output shaft of the second motor is fixedly connected with the end part of the worm.

By adopting the technical scheme, the second motor drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the second rotating rod to rotate, so that the heights of the bearing frame and the screening net are automatically adjusted; meanwhile, because the worm and gear structure has a self-locking function, after the height of the bearing frame and the screening net is adjusted, the bearing frame and the screening net cannot slide downwards under the action of self gravity.

Optionally, fixed part is fixedly arranged on the supporting block, adjusting groove is arranged on the fixed part, the adjusting groove extends along the horizontal direction, a bolt is arranged in the adjusting groove in a penetrating way, and the bolt is in threaded fit with the bottom plate.

By adopting the technical scheme, the nut of the bolt and the bottom plate have clamping effect on the fixing part, so that the fixing part is fixed on the bottom plate, and then the supporting block is fixed on the bottom plate, thereby improving the convenience of installing and dismantling the supporting block for staff; meanwhile, the adjusting groove extends along the horizontal direction, so that a worker can conveniently adjust the position of the supporting block along the horizontal direction, the position of the worm can be conveniently adjusted along the horizontal direction, and further the worm wheel and the worm are meshed with each other.

Optionally, two locating rods are fixedly arranged on the bearing frame, the screening net is slidably arranged between the two locating rods, and two sides of the screening net are respectively abutted to the inner side walls of the two locating rods.

Through adopting above-mentioned technical scheme, two locating levers have the guide effect to screening net, have increased the gliding stability of screening net to the stability of screening mesh screen branch nutrition rice has been increased.

Optionally, a plurality of limiting blocks are fixedly arranged on the bearing frame, and the limiting blocks are respectively positioned at two ends of the screening net; the screening net is arranged between the limiting blocks in a sliding mode.

Through adopting above-mentioned technical scheme, a plurality of stopper have spacing effect to screening net to the stroke of sliding of screening net has been restricted.

Optionally, the tip of screening net is fixed and is provided with the spring, the holding hole has been seted up to the lateral wall of stopper, the tip of spring is located in the holding hole.

By adopting the technical scheme, when the screening net slides towards the direction close to the limiting block, the screening net and the limiting block have extrusion action on the spring so as to compress the spring, the compressed spring stores elastic potential energy, and when the screening net slides towards the direction far away from the limiting block, the elastic potential energy stored by the spring has thrust action on the screening net, so that the screening net is easy to slide towards the direction far away from the limiting block; meanwhile, the setting of the containing hole provides an air drop for containing the spring, and meanwhile, the spring can be limited to be inclined in the compression process, so that the spring is protected, and the service life of the spring is prolonged.

In a second aspect, the present application also provides a processing technology of a nutritional rice processing apparatus, including the steps of:

step one: the lifting mechanism drives the lifting piece to lift, and the lifting piece is adjusted to a proper height;

step two: the worker pours the nutritional rice to be screened into the surface of the screening net;

step three: the rotary driving assembly drives the first rotary rod to rotate, the first rotary rod drives the rotary disc to rotate in the rotating process, the rotary disc drives the eccentric rod to rotate in the rotating process, the eccentric rod drives the connecting rod to move in the rotating process, and the connecting rod drives the screening net to reciprocate in the moving process.

Through adopting above-mentioned technical scheme, lift actuating mechanism drive lifter goes up and down, the lifter drives screening net and goes up and down, after screening net adjusts suitable height, the staff falls the nutrition rice that needs to sieve on screening net, it is rotatory through the rotatory first rotary rod of rotatory drive assembly drive, first rotary rod is rotatory at rotatory in-process drive rotary disk, the rotary disk drives eccentric rod rotatory at rotatory in-process, because eccentric rod is located the eccentric position of rotary disk, eccentric rod drives the one end motion of connecting rod at rotatory in-process, the other end of connecting rod drives screening net reciprocating motion on the lifter, thereby realize the screening to nutrition rice, thereby the screening effect to nutrition rice has been promoted.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lifting driving mechanism drives the lifting part to lift, the lifting part drives the screening net to lift, so that the height of the screening net is convenient to adjust, after the screening net is adjusted to a proper height, a worker falls nutritional rice to be screened on the screening net, then the first rotary rod is driven to rotate through the rotary driving assembly, the rotary plate is driven to rotate in the rotating process by the first rotary rod, the eccentric rod is driven to rotate in the rotating process by the rotary plate, one end of the connecting rod is driven to move in the rotating process by the eccentric rod, the other end of the connecting rod drives the screening net to reciprocate on the lifting part, and the screening net screens the nutritional rice in the reciprocating process, so that the screening effect on the nutritional rice is improved;

2. the first motor drives the first belt pulley to rotate, and the conveying belt is arranged between the first belt pulley and the second belt pulley in a surrounding manner, so that the first belt pulley drives the second belt pulley to rotate in the rotating process, and the second belt pulley drives the first rotary rod to rotate in the rotating process, thereby realizing automatic control of movement of the screening net, not only providing the screening effect of the screening net on the nutritional rice, but also reducing the labor intensity of workers; meanwhile, the conveyor belt passes through the first avoidance groove, so that the conveyor belt can not contact the bracket in the moving process, thereby protecting the conveyor belt and prolonging the service life of the conveyor belt;

3. the guide cylinder has a guide effect on the guide rod, so that the guide effect on the bearing frame is achieved, the lifting stability of the bearing frame is improved, and the lifting stability of the screening net is improved.

Drawings

Fig. 1 is a schematic structural view of a processing apparatus for nutritional rice in an embodiment of the present application.

Fig. 2 is a partial enlarged view of a portion a in fig. 1.

Fig. 3 is a partial enlarged view of a portion B in fig. 1.

Fig. 4 is a partial enlarged view of a portion C in fig. 1.

Reference numerals illustrate:

1. a base; 11. a bottom plate; 12. a guide cylinder; 13. a fixing ring; 14. a material collecting barrel; 2. a lifting member; 21. a carrying frame; 211. a limiting block; 212. an accommodation hole; 213. a second clearance groove; 22. a guide rod; 23. a positioning rod; 231. a guide groove; 24. angle steel; 241. a first connection block; 242. a second connection block; 25. a receiving hopper; 3. a lifting driving mechanism; 31. a lifting cylinder; 32. a screw rod; 33. a second rotating lever; 34. a lifting driving assembly; 341. a worm wheel; 342. a worm; 343. a second motor; 344. a support block; 345. a fixing part; 346. an adjustment tank; 4. a screening mechanism; 41. screening net; 411. a guide part; 412. a spring; 42. a first rotating lever; 43. a rotating disc; 44. an eccentric rod; 45. a connecting rod; 46. a bracket; 461. a carrying plate; 462. a support rod; 463. a first clearance groove; 47. a rotary drive assembly; 471. a conveyor belt; 472. a first pulley; 473. a second pulley; 474. a first motor; 48. and a bearing seat.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

In the horizontal direction in this embodiment, the explanation of the nutritional rice processing apparatus is given on a sequential basis with the sliding direction of the screen 41 being defined as a first direction and the longitudinal direction of the worm 342 being defined as a second direction.

The embodiment of the application discloses a nutritional rice processing device. Referring to fig. 1 and 2, the nutritional rice processing apparatus includes a base 1, a lifting member 2, a lifting driving mechanism 3, and a sieving mechanism 4. The lifting piece 2 is matched with the frame in a sliding way, the lifting driving mechanism 3 is arranged on the base 1, and the lifting driving mechanism 3 is used for driving the lifting piece 2 to lift. The screening mechanism 4 is arranged on the lifting piece 2, and the screening mechanism 4 is used for screening the nutritional rice.

Referring to fig. 1, the base 1 includes a bottom plate 11 and a plurality of guide cylinders 12, in this embodiment, the number of guide cylinders 12 is four, the four guide cylinders 12 all extend along the vertical direction, the four guide cylinders 12 are distributed in a rectangular array, and the bottom ends of the four guide cylinders 12 are fixedly connected with the upper surface of the bottom plate 11. Specifically, the outer side wall of the bottom end of each guide cylinder 12 is provided with a fixing ring 13 in an integrated manner, each fixing ring 13 is provided with four bolts in a penetrating manner, and the four bolts are in threaded fit with the bottom plate 11, so that the fixing rings 13 are fixed on the upper surface of the bottom plate 11, and the four guide cylinders 12 are fixed on the upper surface of the bottom plate 11, and convenience in installing and dismantling the guide cylinders 12 by workers is improved.

With continued reference to fig. 1, the lifting member 2 includes a carrying frame 21 and a plurality of guide bars 22, and in this embodiment, the carrying frame 21 is a rectangular frame. The number of the guide rods 22 is four, the four guide rods 22 extend in the vertical direction, the top ends of the four guide rods 22 are fixedly connected with the bearing frame 21, the bottom ends of the four guide rods 22 are respectively penetrated through the four guide cylinders 12, and the four guide rods 22 are respectively in sliding fit with the four guide cylinders 12. The four guide barrels 12 respectively have a guide effect on the four guide rods 22, so that the lifting stability of the four guide rods 22 is increased, and the lifting and plugging stability of the bearing frame 21 is further increased.

Referring to fig. 1 and 2, the elevation driving mechanism 3 includes an elevation cylinder 31, a screw rod 32, a second rotating rod 33, and an elevation driving assembly 34, the elevation cylinder 31 extends in a vertical direction, and a top end of the elevation cylinder 31 is fixedly connected with a lower surface of the bearing frame 21. The screw rod 32 and the second rotary rod 33 extend along the vertical direction, the bottom end of the second rotary rod 33 penetrates through the bottom plate 11 and is rotationally connected with the bottom plate 11, and the top end of the second rotary rod 33 is fixedly connected with the bottom end of the screw rod 32. The top of the screw rod 32 penetrates through the lifting cylinder 31, and the screw rod 32 is in threaded fit with the lifting cylinder 31. The lifting driving assembly 34 is disposed on the upper surface of the base plate 11, and the lifting driving assembly 34 is used for driving the second rotating rod 33 to rotate. The second rotating rod 33 is driven to rotate through the lifting driving assembly 34, the second rotating rod 33 drives the screw rod 32 to rotate in the rotating process, the screw rod 32 drives the lifting cylinder 31 to lift in the rotating process, and the lifting cylinder 31 drives the bearing frame 21 to lift in the lifting process, so that the height of the bearing frame 21 is convenient to adjust.

Referring to fig. 2, the elevation driving assembly 34 includes a worm wheel 341, a worm 342, a second motor 343, and two supporting blocks 344, both of which 344 are fixed to the upper surface of the base plate 11, and the two supporting blocks 344 are parallel to each other. The worm 342 extends along the second direction, two ends of the worm 342 are respectively penetrated through the two supporting blocks 344, and two ends of the worm 342 are respectively connected with the two supporting blocks 344 in a rotating way. The worm wheel 341 is sleeved on the second rotating rod 33 and fixedly connected with the second rotating rod 33, and the worm wheel 341 is meshed with the worm 342. The second motor 343 is fixed on the bottom plate 11, and an output shaft of the second motor 343 is fixedly connected with an end of the worm 342. The second motor 343 drives the worm 342 to rotate, the worm 342 drives the worm wheel 341 to rotate, and the worm wheel 341 drives the second rotating rod 33 to rotate, so that the heights of the bearing frame 21 and the screening net 41 are automatically adjusted. Meanwhile, because the worm wheel 341 and the worm 342 have self-locking function, after the heights of the bearing frame 21 and the screening net 41 are adjusted, the bearing frame 21 and the screening net 41 cannot slide downwards under the action of self gravity.

With continued reference to fig. 2, fixing portions 345 are integrally formed on opposite sides of each supporting block 344, and each fixing portion 345 is provided with a through adjusting groove 346, and each adjusting groove 346 extends along the first direction. Each adjustment slot 346 is threaded with a bolt, each threaded with the base plate 11. The nut of the bolt and the bottom plate 11 have clamping effect on the fixing portion 345, so that the fixing portion 345 is fixed on the bottom plate 11, and then the supporting block 344 is fixed on the bottom plate 11, and convenience for installing and detaching the supporting block 344 by workers is improved. Meanwhile, the adjusting groove 346 extends along the first direction, so that a worker can conveniently adjust the position of the supporting block 344 along the first direction, and thus, the position of the worm 342 can be conveniently adjusted along the first direction, the distance between the worm wheel 341 and the worm 342 can be conveniently adjusted, and further, the worm wheel 341 and the worm 342 can be conveniently meshed with each other.

Referring to fig. 1, the screening mechanism 4 includes a screening net 41, a first rotary lever 42, a rotary disk 43, eccentric levers 44, a connecting rod 45, a bracket 46, and a rotary drive assembly 47. The support 46 includes a supporting plate 461 and four supporting rods 462, and the supporting plate 461 is horizontally disposed. The four support rods 462 extend in the vertical direction, the bottom ends of the four support rods 462 are fixedly connected with the bottom plate 11, and the top ends of the four support rods 462 are fixedly connected with the bearing plate 461. The upper surface of the carrier plate 461 is fixedly provided with two bearing seats 48, the first rotary rod 42 extends along the second direction, the first rotary rod 42 is rotatably connected with the two bearing seats 48, and the rotary driving assembly 47 is used for driving the first rotary rod 42 to rotate. The rotating disk 43 is fixed to one end of the first rotating rod 42, the eccentric rod 44 is fixed to the rotating disk 43, and the eccentric rod 44 is located at an eccentric position of the rotating disk 43. The screening net 41 is in sliding fit with the lifting member 2, one end of a connecting rod 45 is rotatably connected with the screening net 41, and the other end of the connecting rod 45 is rotatably connected with the eccentric rod 44.

With continued reference to fig. 1, a second avoidance slot 213 is formed at an end of the carrying frame 21 near the rotation driving assembly 47, where the second avoidance slot 213 provides a space for the movement of the connecting rod 45, so that the connecting rod 45 does not contact the carrying frame 21 during the process of driving the screening net 41 to move, and both the carrying frame 21 and the connecting rod 45 are protected.

With continued reference to fig. 1, the rotary drive assembly 47 includes a conveyor belt 471, a first pulley 472, a second pulley 473, and a first motor 474. The first motor 474 is fixed on the base 1, and an output shaft of the first motor 474 penetrates through the first belt pulley 472 and is fixedly connected with the first belt pulley 472, and the first rotary rod 42 penetrates through the second belt pulley 473 and is fixedly connected with the second belt pulley 473. The conveyor belt 471 is disposed between the first pulley 472 and the second pulley 473 in a surrounding manner, the bracket 46 is provided with a first avoidance slot 463, and the conveyor belt 471 passes through the first avoidance slot 463. The first motor 474 drives the first belt pulley 472 to rotate, because the conveyer belt 471 is arranged between the first belt pulley 472 and the second belt pulley 473 in a surrounding manner, the first belt pulley 472 drives the second belt pulley 473 to rotate in the rotating process, and the second belt pulley 473 drives the first rotary rod 42 to rotate in the rotating process, so that the movement of the screening net 41 is automatically controlled, the screening effect of the screening net 41 on the nutritional rice is provided, and the labor intensity of workers is reduced. Meanwhile, the conveyor belt 471 passes through the first avoidance groove 463, so the first avoidance groove 463 is arranged to prevent the conveyor belt from contacting the bracket 46 in the moving process, thereby protecting the conveyor belt 471 and prolonging the service life of the conveyor belt 471.

With continued reference to fig. 1, the worker pours the nutritional rice to be screened onto the screening net 41, and then drives the first rotary rod 42 to rotate through the rotary driving assembly 47, the first rotary rod 42 drives the rotary disk 43 to rotate in the rotating process, the rotary disk 43 drives the eccentric rod 44 to rotate in the rotating process, and since the eccentric rod 44 is located at the eccentric position of the rotary disk 43, the eccentric rod 44 drives one end of the connecting rod 45 to move in the rotating process, the other end of the connecting rod 45 drives the screening net 41 to reciprocate on the lifting member 2, and the screening net 41 screens the nutritional rice in the reciprocating process, so that the screening effect on the nutritional rice is improved.

With continued reference to fig. 1, two positioning rods 23 are fixedly arranged on the bearing frame 21, the screening net 41 is slidably arranged between the two positioning rods 23, and two sides of the screening net 41 are respectively abutted against the inner side walls of the two positioning rods 23. The two guide rods 22 have a guiding effect on the screening net 41, and increase the sliding stability of the screening net 41, thereby increasing the stability of the screening net 41 for screening the nutritional rice.

Referring to fig. 1 and 3, two opposite side walls of the screening net 41 are integrally formed with guide portions 411, and guide grooves 231 are formed in the inner side walls of the two positioning rods 23. The guide portion 411 and the guide groove 231 extend along the first direction, and both ends of the guide groove 231 are open. The two guide parts 411 are respectively located in the two guide grooves 231, and the two guide parts 411 are respectively slidably matched with the two guide grooves 231. The two guide grooves 231 have a guiding effect on the two guide portions 411, respectively, thereby further increasing the stability of the screen 41 sliding in the first direction.

With continued reference to fig. 1 and 3, a plurality of limiting blocks 211 are fixedly disposed on the carrying frame 21, in this embodiment, the number of limiting blocks 211 is four, and the four limiting blocks 211 are respectively located at two ends of the screening net 41. The screening net 41 is slidably arranged between the four limiting blocks 211. The four limiting blocks 211 limit the sieving net 41, thereby limiting the sliding travel of the sieving net 41.

Referring to fig. 3, in order to increase convenience in installing and removing the stopper 211 by a worker, the upper surface of the carrying frame 21 is provided with angle steel 24 for fixing the stopper 211. Specifically, the angle 24 includes a first connecting block 241 and a second connecting block 242 that are integrally formed, and the first connecting block 241 is perpendicular to the second connecting block 242. The first connecting block 241 is abutted against the upper surface of the bearing frame 21, and the second connecting block 242 is abutted against the side wall of the limiting block 211. Two bolts are arranged on the first connecting block 241 in a penetrating way, and the two bolts are in threaded fit with the bearing frame 21. Two bolts are arranged on the second connecting block 242 in a penetrating mode, and the two bolts are in threaded fit with the limiting block 211. Not only the firmness of fixing the limiting block 211 on the bearing frame 21 is increased, but also the convenience of installing and dismantling the limiting block 211 by staff is increased.

Referring to fig. 3 and 4, two springs 412 are fixedly disposed at each end of the screening net 41, the side wall of each limiting block 211, which is close to the screening net 41, is provided with a receiving hole 212, and the ends of the four springs 412 are respectively located in the four receiving holes 212. When the screening net 41 slides towards the direction close to the limiting block 211, the screening net 41 and the limiting block 211 have extrusion action on the spring 412 so that the spring 412 is compressed, the compressed spring 412 stores elastic potential energy, and when the screening net 41 slides towards the direction far away from the limiting block 211, the elastic potential energy stored by the spring 412 has thrust action on the screening net 41, so that the screening net 41 is easy to slide towards the direction far away from the limiting block 211; the arrangement of the accommodating hole 212 provides an air drop for accommodating the spring 412, and can limit the spring 412 from being skewed in the compression process, so that the spring 412 is protected, and the service life of the spring 412 is prolonged.

Referring to fig. 1, a receiving hopper 25 is fixedly arranged on the lower surface of the bearing frame 21, a receiving bucket 14 is fixedly arranged on the upper surface of the bottom plate 11, and the receiving bucket 14 is located below the receiving hopper 25. The receiving hopper 25 has a collecting function on the business rice screened by the screening net 41, so that all the business rice is guaranteed to fall into the collecting barrel, and when the business rice in the collecting barrel is full, workers replace the collecting barrel in time.

The embodiment of the application provides a processing technology of a nutritional rice processing device, which comprises the following steps:

step one: the lifting piece 2 is driven to lift by the lifting mechanism, and the lifting piece 2 is adjusted to a proper height;

step two: the worker pours the nutritional rice to be screened onto the surface of the screen 41;

step three: the first rotary rod 42 is driven to rotate by the rotary driving assembly 47, the first rotary rod 42 drives the rotary disc 43 to rotate in the rotating process, the rotary disc 43 drives the eccentric rod 44 to rotate in the rotating process, the eccentric rod 44 drives the connecting rod 45 to move in the rotating process, and the connecting rod 45 drives the screening net 41 to reciprocate in the moving process;

step four: the business rice screened by the screening net 41 is conveyed into the receiving bucket 14 through the receiving hopper 25;

step five: when the business rice in the receiving bucket 14 is full, the worker can replace the receiving bucket 14 in time.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A nutritional rice processing device, characterized in that: comprises a base (1), a lifting piece (2), a lifting driving mechanism (3) and a screening mechanism (4); the lifting piece (2) is in sliding fit with the base (1), and the lifting driving mechanism (3) is used for driving the lifting piece (2) to lift;

the screening mechanism (4) comprises a screening net (41), a first rotary rod (42), a rotary disc (43), an eccentric rod (44), a connecting rod (45), a bracket (46) and a rotary driving assembly (47); the bracket (46) is fixed on the base (1), the first rotary rod (42) is rotatably connected with the bracket (46), and the rotary driving assembly (47) is used for driving the first rotary rod (42) to rotate; the rotating disc (43) is fixed at one end of the first rotating rod (42), the eccentric rod (44) is fixed on the rotating disc (43), and the eccentric rod (44) is positioned at the eccentric position of the rotating disc (43); the screening net (41) is in sliding fit with the lifting piece (2), one end of the connecting rod (45) is rotationally connected with the screening net (41), and the other end of the connecting rod (45) is rotationally connected with the eccentric rod (44).

2. A nutritional rice processing apparatus according to claim 1, wherein: the rotary drive assembly (47) includes a conveyor belt (471), a first pulley (472), a second pulley (473), and a first motor (474); the first motor (474) is fixed on the base (1), an output shaft of the first motor (474) penetrates through the first belt pulley (472) and is fixedly connected with the first belt pulley (472), and the first rotating rod (42) penetrates through the second belt pulley (473) and is fixedly connected with the second belt pulley (473); the conveyor belt (471) is arranged between the first belt pulley (472) and the second belt pulley (473) in a surrounding mode, a first avoidance groove (463) is formed in the support (46), and the conveyor belt (471) penetrates through the first avoidance groove (463).

3. A nutritional rice processing apparatus according to claim 1, wherein: the base (1) comprises a bottom plate (11) and a plurality of guide cylinders (12), and the bottom ends of the guide cylinders (12) are fixedly connected with the bottom plate (11); the lifting piece (2) comprises a bearing frame (21) and a plurality of guide rods (22), and the top ends of the guide rods (22) are fixedly connected with the bearing frame (21); the guide rods (22) are in one-to-one correspondence with the guide cylinders (12), a plurality of guide rods (22) are respectively penetrated through the guide cylinders (12), and the guide rods (22) are respectively in sliding fit with the guide cylinders (12); the screening net (41) is in sliding fit with the bearing frame (21).

4. A nutritional rice processing apparatus according to claim 3, characterized in that: the lifting driving mechanism (3) comprises a lifting cylinder (31), a screw rod (32), a second rotating rod (33) and a lifting driving assembly (34); the lifting cylinder (31) is fixedly connected with the bearing frame (21), the bottom end of the screw rod (32) is fixedly connected with the top end of the second rotating rod (33), the bottom end of the second rotating rod (33) is rotationally connected with the bottom plate (11), the top end of the screw rod (32) is penetrated into the lifting cylinder (31), and the screw rod (32) is in threaded fit with the lifting cylinder (31); the lifting driving assembly (34) is arranged on the bottom plate (11), and the lifting driving assembly (34) is used for driving the second rotating rod (33) to rotate.

5. A nutritional rice processing apparatus according to claim 4, wherein: the lifting driving assembly (34) comprises a worm wheel (341), a worm (342), a second motor (343) and two supporting blocks (344); the two supporting blocks (344) are fixed on the bottom plate (11), and the two ends of the worm (342) are respectively and rotatably connected with the two supporting blocks (344); the worm wheel (341) is sleeved on the second rotating rod (33) and fixedly connected with the second rotating rod (33), and the worm wheel (341) is meshed with the worm (342); the second motor (343) is fixed on the bottom plate (11), and an output shaft of the second motor (343) is fixedly connected with the end part of the worm (342).

6. A nutritional rice processing apparatus according to claim 5, wherein: the support block (344) is fixedly provided with a fixing part (345), the fixing part (345) is provided with an adjusting groove (346), the adjusting groove (346) extends along the horizontal direction, a bolt is arranged in the adjusting groove (346) in a penetrating mode, and the bolt is in threaded fit with the bottom plate (11).

7. A nutritional rice processing apparatus according to claim 3, characterized in that: two positioning rods (23) are fixedly arranged on the bearing frame (21), the screening net (41) is slidably arranged between the two positioning rods (23), and two sides of the screening net (41) are respectively abutted to the inner side walls of the two positioning rods (23).

8. A nutritional rice processing apparatus according to claim 7, wherein: a plurality of limiting blocks (211) are fixedly arranged on the bearing frame (21), and the limiting blocks (211) are respectively positioned at two ends of the screening net (41); the screening net (41) is slidably arranged among the limiting blocks (211).

9. A nutritional rice processing apparatus according to claim 8, wherein: the end of the screening net (41) is fixedly provided with a spring (412), the side wall of the limiting block (211) is provided with a containing hole (212), and the end of the spring (412) is located in the containing hole (212).

10. A process for using the nutritional rice processing apparatus of any one of claims 1-9, comprising the steps of:

step one: the lifting mechanism drives the lifting piece (2) to lift, and the lifting piece (2) is adjusted to a proper height;

step two: the worker pours the nutritional rice to be screened into the surface of the screening net (41);

step three: the rotary screen is characterized in that the first rotary rod (42) is driven to rotate through the rotary driving assembly (47), the first rotary rod (42) drives the rotary disk (43) to rotate in the rotating process, the rotary disk (43) drives the eccentric rod (44) to rotate in the rotating process, the eccentric rod (44) drives the connecting rod (45) to move in the rotating process, and the connecting rod (45) drives the screening net (41) to reciprocate in the moving process.