Rice polishing machine with screening function
Technical Field
The utility model belongs to the technical field of rice polishing, and particularly relates to a rice polishing machine with a screening function.
Background
In the rice polishing process, besides enabling the surface of rice grains to be smoother and brighter, some impurities such as scraps, bran powder and the like are generated, and if the impurities are not removed through screening, the impurities can be mixed in the rice, so that the appearance and the taste of the rice are affected.
According to the retrieval, the patent document with the publication number of CN222469140U discloses a rice polishing machine with screening function, comprising a base plate, bottom plate top fixedly connected with box, box one side fixedly connected with box, the inside fixedly connected with second motor of box, the output fixedly connected with cam of second motor, be provided with the fixed plate on the cam, fixedly connected with reciprocating frame on the fixed plate, two telescopic links of reciprocating frame one side fixedly connected with, cup jointed the spring on the telescopic link, inside screening box that is provided with of reciprocating frame.
The comparison document has the following defects that two independent motors are adopted in the comparison document and are respectively responsible for polishing and sieving operation of rice, when in actual operation, the two motors are required to be started in sequence, so that the equipment can normally operate, the equipment acquisition cost is increased, the operation complexity is improved, the skill requirement on operators is higher, in addition, the sieving box and the sieve plate in the comparison document are designed integrally, if the sieving box is required to be taken down, the screw rod is required to be unscrewed first, in the process, the staff also needs to catch the sieving box, the operation difficulty is greatly increased, the operation skill and coordination capability of the staff are required to be higher, the difficulty of sieve plate replacement is greatly increased by the integrated design, and once the sieve plate is damaged or needs to be replaced according to different sieving requirements, the whole sieving box is required to be replaced together due to the fact that the sieve box and the sieving box are integrally formed, and the maintenance cost is increased.
Disclosure of utility model
In order to overcome the defects, the utility model provides the rice polishing machine with the screening function, and solves the problems in the comparison document.
In order to achieve the purpose, the utility model provides the following technical scheme that the rice polishing machine with the screening function comprises the following components:
The polishing device comprises a base, wherein two vertical plates and a partition plate are fixedly connected to the base, a motor and a fixing frame are fixedly connected to one side of one vertical plate, a polishing bin is fixedly connected between the two vertical plates, a feeding hole is formed in the polishing bin, a first belt pulley and a polishing roller are coaxially and fixedly connected to the output end of the motor, and a spiral propeller is coaxially and fixedly connected to one end of the polishing roller;
The rotary shaft penetrates through the fixing frame, two ends of the rotary shaft are respectively and coaxially fixedly connected with a second belt pulley and a first bevel gear, a belt is sleeved between the second belt pulley and the first belt pulley, a crankshaft is rotationally connected with the fixing frame, a second bevel gear is coaxially and fixedly connected with the crankshaft, a connecting rod is rotationally connected to the crankshaft, and the first bevel gear and the second bevel gear are meshed with each other.
As a further aspect of the utility model:
One of the vertical plates and the partition plate are provided with a screening box and a collecting box, one side of the screening box is fixedly connected with a pull rod, the pull rod is rotationally connected with one end of the connecting rod, and the other side of the screening box is fixedly connected with two sliding rods.
As a further aspect of the utility model:
The sliding rods penetrate through the partition plate and are in sliding connection with the partition plate, one end of each sliding rod is fixedly connected with a first limiting plate, springs are sleeved on the outer walls of the sliding rods, and two ends of each spring are respectively abutted against the first limiting plates and the partition plate.
As a further aspect of the utility model:
The bottom of screening box is seted up flutedly, sliding connection has the sieve in the recess, one side fixedly connected with limiting plate No. two of sieve, fixedly connected with handle on the limiting plate No. two.
As a further aspect of the utility model:
Polishing sheets are paved on the inner wall of the polishing bin, and a plurality of scraping plates are arranged on the polishing roller.
As a further aspect of the utility model:
the collection box is arranged right below the screening box.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the cooperative operation of two key working procedures of rice polishing and screening is realized by utilizing a single motor, so that the manpower dependence is greatly reduced, and the working efficiency of rice polishing is remarkably improved.
2. In addition, the detachable screen plate design enables the whole process to be simple and efficient, and the use convenience and maintenance efficiency of the equipment are greatly improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a cut-away view of a polishing cartridge of the present utility model;
FIG. 3 is an enlarged view of FIG. 1 at A;
Fig. 4 is a schematic perspective view of a screening box according to the present utility model.
In the figure, a base, a vertical plate, a baffle plate 3, a fixing frame 4, a polishing bin 5, a feed inlet 6, a motor 7, a spiral propeller 8, a polishing roller 9, a screening box 10, a screen plate 11, a first limiting plate 12, a first belt pulley 13, a rotating shaft 14, a second belt pulley 15, a first bevel gear 16, a crankshaft 17, a connecting rod 18, a sliding rod 19, a second limiting plate 20, a collecting box 21, a pull rod 22, a second bevel gear 23 and a spring 24 are arranged.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
As shown in fig. 1 to 4, the present utility model provides a technical solution:
a rice polishing machine with sieving function, comprising:
The polishing device comprises a base 1, wherein two vertical plates 2 and a partition plate 3 are fixedly connected to the base 1, a motor 7 and a fixing frame 4 are fixedly connected to one side of one vertical plate 2, a polishing bin 5 is fixedly connected between the two vertical plates 2, a feed inlet 6 is formed in the polishing bin 5, a first belt pulley 13 and a polishing roller 9 are coaxially and fixedly connected to the output end of the motor 7, and a screw propeller 8 is coaxially and fixedly connected to one end of the polishing roller 9;
The side wall of the fixed frame 4 is rotationally connected with a rotating shaft 14, the rotating shaft 14 penetrates through the fixed frame 4, two ends of the rotating shaft are respectively and coaxially fixedly connected with a second belt pulley 15 and a first bevel gear 16, a belt is sleeved between the second belt pulley 15 and the first belt pulley 13, the fixed frame 4 is rotationally connected with a crankshaft 17, the crankshaft 17 is coaxially and fixedly connected with a second bevel gear 23, the crankshaft 17 is rotationally connected with a connecting rod 18, and the first bevel gear 16 and the second bevel gear 23 are meshed with each other;
Specifically, when the motor 7 is started, the motor 7 drives the polishing roller 9 and the first belt pulley 13 to rotate, and simultaneously drives the spiral propeller 8 which is coaxially and fixedly connected with the polishing roller 9, and the first belt pulley 13 drives the second belt pulley 15 to rotate through a belt, so that the rotating shaft 14 is driven to rotate, and further the first bevel gear 16 is driven to rotate, and because the first bevel gear 16 and the second bevel gear 23 are meshed with each other, and the second bevel gear 23 is coaxially and fixedly connected with the crankshaft 17, the rotating shaft 14 drives the crankshaft 17 to rotate;
A screening box 10 and a collecting box 21 are arranged between one vertical plate 2 and the partition plate 3, one side of the screening box 10 is fixedly connected with a pull rod 22, the pull rod 22 is rotationally connected with one end of a connecting rod 18, and the other side of the screening box 10 is fixedly connected with two slide bars 19;
The slide bars 19 penetrate through the partition plate 3 and are in sliding connection with the partition plate 3, one ends of the two slide bars 19 are fixedly connected with a first limiting plate 12, springs 24 are sleeved on the outer walls of the slide bars 19, and two ends of each spring 24 respectively prop against the first limiting plate 12 and the partition plate 3;
Specifically, one end of the connecting rod 17 pulls the screening box 10 by pulling the pull rod 22, the screening box 10 completes horizontal reciprocating motion through the pull rod 22 and the two slide rods 19, and the mobility of rice in the screening box 10 is increased by the reciprocating motion of the screening box 10, so that the screening efficiency of the screen plate 11 can be improved, the spring 24 can play a buffering role on the screening box 10, and the risk of blocking of the device is reduced;
The bottom of the screening box 10 is provided with a groove, a screen plate 11 is connected in the groove in a sliding way, one side of the screen plate 11 is fixedly connected with a second limiting plate 20, and a handle is fixedly connected to the second limiting plate 20;
Polishing sheets are paved on the inner wall of the polishing bin 5, and a plurality of scraping plates are arranged on the polishing roller 9;
the collection box 21 is disposed directly below the sieving box 10;
Specifically, after the rice enters the polishing bin 5, the rice is pushed to the polishing roller 9 by the spiral propeller 8, then scraped by the scraping plate on the polishing roller 9 and rubbed with the polishing plate on the inner wall of the polishing bin 5, the polished rice enters the screening box 10, broken rice and dust generated by rice polishing fall into the collecting box 21 through the screening plate 11, and the screening plate 11 can be fixed at the bottom of the screening box 10 by screwing screws on two sides of the second limiting plate 20.
The working principle of the utility model is as follows:
Starting the motor 7, wherein the motor 7 drives the polishing roller 9 and the first belt pulley 13 to rotate, and simultaneously drives the spiral propeller 8 which is coaxially and fixedly connected with the polishing roller 9, the first belt pulley 13 drives the second belt pulley 15 to rotate through a belt, so that the rotating shaft 14 is driven to rotate, and then the bevel gear 16 is driven to rotate, and because the first bevel gear 16 is meshed with the second bevel gear 23, and the second bevel gear 23 is coaxially and fixedly connected with the crankshaft 17, the rotating shaft 14 drives the crankshaft 17 to rotate, so that one end of the connecting rod 17 is driven to do circular motion, and the other end of the connecting rod 17 is driven to pull the screening box 10 through the pull rod 22, so that the screening box 10 is enabled to complete horizontal reciprocating motion;
At this time, the rice to be polished is poured from the feed hopper 6, enters the polishing bin 5 and is pushed to the polishing roller 9 by the spiral propeller 8, the polished rice falls into the screening box 10 from the discharge hole, broken rice and dust generated by rice polishing fall into the collecting box 21 through the screening plate 11, and the mobility of the rice in the screening box 10 is increased by the reciprocating motion of the screening box 10, so that the screening efficiency of the screening plate 11 can be improved;
After finishing the polishing of rice, closing motor 7, removing collection box 21 and taking out the material in the collection box 21, then putting collection box 21 back to the normal position, screwing out the screw that is used for fixing No. two limiting plates 20, pulling out No. two limiting plates 20 through pulling the handle to take out sieve 11, the complete rice that screens at this moment will fall into collection box 21, accomplishes the collection of complete rice, simultaneously can also clear up or change the sieve 11 of taking out.
While the preferred embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.