CN220143462U - Rice hulling and milling integrated machine - Google Patents

Abstract

The utility model discloses a rice hulling and milling integrated machine, which is characterized in that a feeding component, a rice hulling component and a milling component are vertically stacked, the overall structure layout is compact, the volume and occupied space of an overall device are reduced, chaff generated in the rice hulling process and bran powder generated in the rice milling process are pumped away through an air suction pipe, a rice hull separation device is omitted, the use quantity of fans is reduced, the overall volume and occupied space are further reduced, and the miniaturized design requirement can be well met.

Description

Rice hulling and milling integrated machine

Technical Field

The utility model relates to the technical field of rice processing equipment, in particular to a rice hulling and milling integrated machine.

Background

The rice hulling and milling are the most important two procedures in the rice processing process, and the two procedures are respectively finished through a rice huller and a rice mill at present, wherein the rice huller uses a rubber roller to strip off the rice husks and separate the rice husks from brown rice, and the rice mill separates the cortex from endosperm through milling and rubbing the brown rice to obtain finished rice. Because rice huller and rice mill are the unit setting, and operating personnel need shift the brown rice that rice huller processed again to the rice mill in, machining efficiency is lower, consequently, in order to improve machining efficiency, appear in the market at present with the integrated combination machine that sets up of rice huller and rice mill. However, the existing rice hulling and milling combined machine has large volume and large occupied space, and cannot meet the miniaturization design requirement. For example, patent CN209715187U discloses a rice hulling and milling integrated machine, it includes the hopper, the rice hulling device, rice husk separator and rice milling device, the hopper passes through the pipeline and communicates with rice huller and rice milling device respectively, be provided with the shunt on the pipeline, be used for controlling unhulled rice to get into rice huller earlier and then rice milling device or directly get into rice milling device, with the rice of processing different precision, rice husk separator is connected with rice huller and rice husk fan respectively, rice milling device is connected with rice husk separator and rice bran fan respectively, unhulled rice enters into rice huller from the hopper and carries out the shelling, husked brown rice and rice husk are sent into rice husk separator, separate brown rice and rice husk, husked brown rice then is discharged through rice husk fan after passing through rice husk separator, rice husk is discharged through rice husk fan, because it has set up rice husk separator and two fans, and rice husker transversely set up side by side, whole volume is great, occupation space. In addition, the rubber roll of current rice huller is fixed with the main shaft through key connection's mode, belongs to interference fit mode, when needing the dismouting rubber roll, needs to draw out the rubber roll with drawing the sign indicating number, and the dismouting operation of rubber roll wastes time and energy.

Disclosure of Invention

The utility model provides a rice hulling and milling integrated machine, which solves the technical problems of larger volume and large occupied space of the existing rice hulling and milling combined machine.

According to one aspect of the present utility model, there is provided a rice huller and mill integrated machine, comprising a main body frame, a feeding part, a rice huller, a rice milling part and an air suction pipe, wherein the rice huller and the rice milling part are fixedly installed on the main body frame and are vertically communicated, the feeding part is arranged above the rice huller, the air suction pipe is arranged on the side wall of the main body frame and is respectively connected with the rice huller and the rice milling part, and the air suction pipe is also connected with an external fan to pump away chaff generated in the rice huller process and chaff generated in the rice milling process.

Further, the rice hulling part comprises a shell and a rice hulling mechanism, the shell is of a closed structure, a feed inlet is formed in the top, a discharge outlet is formed in the bottom, an air suction inlet is formed in the side wall, the feed inlet is communicated with the feed part, the discharge outlet is connected with the feed inlet of the rice milling part, the air suction inlet is communicated with the air suction pipe, and the rice hulling mechanism is arranged in the shell.

Further, the rice hulling mechanism comprises an upper layer rubber roller group and a lower layer rubber roller group which are arranged at an upper-lower interval, an upper buffer hopper is arranged between the upper layer rubber roller group and the lower layer rubber roller group in the shell, and a lower buffer hopper is arranged between the lower layer rubber roller group and the discharge hole.

Further, upper rubber roll group and lower floor's rubber roll group all include fixed rubber roll and activity rubber roll, and every rubber roll includes gum cover, rubber roll wheel hub, bloies tight cover and bolt, gum cover fixed cover is established on the rubber roll wheel hub, rubber roll wheel hub cover establish on the main shaft and rather than clearance fit, the mounting hole has been seted up on rubber roll wheel hub's the terminal surface, bloies tight cover then to set up in the mounting hole, bloies tight cover is last to evenly having distributed a plurality of bolt holes along circumference, installs a bolt in every bolt hole.

Further, the rice hulling mechanism further comprises a first adjusting cylinder and a second adjusting cylinder, the first adjusting cylinder and the second adjusting cylinder are both installed on the main body frame and are arranged up and down, the first adjusting cylinder is used for adjusting the distance between two rubber rollers of the upper rubber roller group, and the second adjusting cylinder is used for adjusting the distance between two rubber rollers of the lower rubber roller group.

Further, still include motor frame, first motor and second motor, the motor frame next-door neighbour the main part frame sets up, first motor and second motor are installed in the motor frame and be the upper and lower setting, first motor with rice hulling part drive connection, the second motor with rice milling part drive connection.

Further, the first motor is connected with the upper layer rubber roller set and the lower layer rubber roller set through double-sided synchronous belts.

Further, the rice milling chamber discharge gate department of rice milling part is provided with the discharge baffle, the discharge baffle is connected with the discharge plate cylinder, and the discharge plate cylinder passes through the mounting bracket to be installed on the rice milling chamber, stretches out through control discharge plate cylinder, makes the discharge baffle seals up rice milling chamber discharge gate with invariable pressure.

Further, the rice huller further comprises a vibration feeding part, wherein the vibration feeding part is arranged above the rice hulling part and connected with the feeding part, and is used for enabling rice to uniformly enter the feeding part.

Further, an induction device is arranged in the feeding part and used for detecting whether materials enter, and the induction device is controlled in association with the hulling Gu Bujian.

The utility model has the following effects:

according to the rice huller and rice milling integrated machine, the feeding component, the rice huller component and the rice milling component are vertically stacked, so that the overall structure layout is compact, the volume and the occupied space of the overall device are reduced, chaff generated in the rice huller process and chaff generated in the rice milling process are all pumped away through the air suction pipe, the rice husk separation device is omitted, the using quantity of fans is reduced, the overall volume and the occupied space are further reduced, and the small-size design requirement can be well met.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of a rice huller and husker integrated machine according to a preferred embodiment of the present utility model.

Fig. 2 is a schematic view showing a front view of a rice huller and husker integrated machine according to a preferred embodiment of the present utility model, in which a driving part is omitted.

Fig. 3 is a schematic view of the structure of a rubber roller in a preferred embodiment of the utility model.

Fig. 4 is a schematic cross-sectional view of fig. 3 taken from A-A.

Figure 5 is a schematic view of the structure of the rice milling chamber according to the preferred embodiment of the present utility model when the pneumatic pressure door of the rice milling unit is closed to the discharge opening of the rice milling chamber.

Figure 6 is a schematic view of the pneumatic pressure door of the rice milling unit according to the preferred embodiment of the present utility model when opened.

Description of the reference numerals

1. A main body frame; 2. a feed member; 3. a hulling step Gu Bujian; 4. a rice milling part; 5. an air suction pipe; 6. a motor frame; 7. a first motor; 8. a second motor; 9. vibrating the feed member; 31. a housing; 32. an upper layer rubber roller group; 33. a lower layer rubber roller group; 34. a rubber sleeve; 35. a rubber roller hub; 36. an expansion sleeve; 37. a bolt; 38. a main shaft; 39. a first adjusting cylinder; 310. a second adjusting cylinder; 41. a discharging baffle; 42. and a discharging plate cylinder.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

It will be appreciated that as shown in fig. 1 to 6, the preferred embodiment of the present utility model provides a rice huller and mill integrated machine comprising a main body frame 1, a feeding part 2, a rice huller part 3, a rice milling part 4 and an air suction pipe 5, wherein the rice huller part 3 and the rice milling part 4 are fixedly installed on the main body frame 1 and are vertically communicated, the feeding part 2 is arranged above the rice huller part 3 and is communicated with a feeding port of the rice huller part 3, the air suction pipe 5 is arranged on a side wall of the main body frame 1 and is respectively connected with the rice huller part 3 and the rice milling part 4, and the air suction pipe 5 is also connected with an external fan to suck rice husks generated in a rice huller process and bran powder generated in a rice milling process. The rice enters the rice hulling part 3 from the feeding part 2, the rice hulling process is firstly carried out to separate the rice from the rice hulling part 3, the separated rice husks are pumped away by the air suction pipe 5, the brown rice enters the rice milling part 4 below, the polished rice is output from the discharge hole of the rice milling part 4 after the rice milling process, and the bran powder generated in the rice milling process is pumped away by the air suction pipe 5.

It can be understood that, the rice hulling and rice milling all-in-one machine of this embodiment stacks the setting about being feeding part 2, rice hulling part 3 and rice milling part 4, overall structure overall arrangement is compact, has reduced the volume and the occupation space of whole device to rice hull that rice hulling in-process produced and the chaff powder that rice milling in-process produced all take away through aspiration channel 5, have saved rice hull separator, and have reduced the use quantity of fan, are favorable to further reducing whole volume and occupation space, can satisfy miniaturized design demand well.

Wherein, the rice hulling part 3 includes casing 31 and rice hulling mechanism, casing 31 is relative closed structure, only sets up the feed inlet at the top, sets up the discharge gate in the bottom, sets up the inlet scoop at the lateral wall, and the feed inlet is connected with feeding part 2, and the discharge gate is connected with the feed inlet of rice milling part 4, and the inlet scoop is connected with aspiration channel 5, rice hulling mechanism then sets up in the casing 31. It can be understood that the rice hulling process of the rice hulling mechanism is performed inside the housing 31, and since the housing 31 is of a relatively closed structure, a sufficient negative pressure can be generated in the housing 31 when the air suction pipe 5 sucks the rice so as to suck the husks separated from the rice.

Optionally, the rice huller mechanism includes an upper layer rubber roller set 32 and a lower layer rubber roller set 33 which are arranged at an upper-lower interval, an upper buffer bucket is arranged between the upper layer rubber roller set 32 and the lower layer rubber roller set 33 in the shell 31, and a lower buffer bucket is arranged between the lower layer rubber roller set 33 and the discharge hole. The rice is subjected to twice rice hulling and twice blanking buffering in the rice hulling mechanism, so that the hulling effect is improved on one hand, the effect of uniform buffering feeding is achieved on the other hand, and the rice milling effect of the rice milling part 4 is improved. The upper layer rubber roller set 32 and the lower layer rubber roller set 33 comprise fixed rubber rollers and movable rubber rollers, each rubber roller comprises a rubber sleeve 34, a rubber roller hub 35, an expansion sleeve 36 and bolts 37, the rubber sleeves 34 are fixedly sleeved on the rubber roller hubs 35, the rubber roller hubs 35 are sleeved on a main shaft 38 and are in clearance fit with the main shaft 38, mounting holes are formed in the end faces of the rubber roller hubs 35, the expansion sleeve 36 is arranged in the mounting holes, a plurality of bolt holes are uniformly distributed in the expansion sleeve 36 along the circumferential direction, and one bolt 37 is arranged in each bolt hole. When the rubber roll is required to be installed, only the bolt 37 is required to be screwed down, so that the expansion sleeve 36 is tightly held tightly with the outer diameter of the main shaft 38 and the inner ring of the rubber roll hub 35 after expansion, the force transmission effect is achieved, and when the rubber roll is required to be disassembled, only the bolt 37 is required to be unscrewed, so that the rubber roll can be easily disassembled after the expansion sleeve 36 is contracted, the outer diameter of the main shaft 38 and the inner ring of the rubber roll hub 35 are separated, the rubber roll is quite convenient to replace and disassemble, and the expansion sleeve 36 belongs to a standard part, and is low in cost and strong in interchangeability.

In addition, the rice hulling mechanism further comprises a first adjusting cylinder 39 and a second adjusting cylinder 310, the first adjusting cylinder 39 and the second adjusting cylinder 310 are both installed on the main frame 1 and are arranged up and down, the first adjusting cylinder 39 is connected with the movable rubber rollers of the upper rubber roller group 32, the second adjusting cylinder 310 is connected with the movable rubber rollers of the lower rubber roller group 33, the first adjusting cylinder 39 is used for adjusting the distance between the two rubber rollers of the upper rubber roller group 32, and the second adjusting cylinder 310 is used for adjusting the distance between the two rubber rollers of the lower rubber roller group 33. It can be understood that each rubber roller group comprises a fixed rubber roller and a movable rubber roller, the fixed rubber rollers are fixedly arranged, the movable rubber rollers are arranged in an adjustable mode, and the movable rubber rollers are driven by the air cylinders to be close to or far away from the fixed rubber rollers, so that the distance between the two rubber rollers is adjusted, and the hulling effect of rice hulling is adjusted.

In addition, the rice hulling and rice milling all-in-one still includes motor frame 6, first motor 7 and second motor 8, motor frame 6 is adjacent main part frame 1 sets up, first motor 7 and second motor 8 are installed motor frame 6 is last and be the setting from top to bottom, first motor 7 with rice hulling part 3 drive connection, second motor 8 with rice milling part 4 drive connection. Wherein, the first motor 7 is connected with the upper layer rubber roller set 32 and the lower layer rubber roller set 33 through a double-sided synchronous belt, and the synchronous rotation of the two rubber roller sets can be ensured by adopting a double-sided synchronous belt transmission mode.

Optionally, a discharge baffle 41 is arranged at the discharge port of the rice milling chamber of the rice milling component 4, the discharge baffle 41 is connected with a discharge plate cylinder 42, the discharge plate cylinder 42 is installed on the rice milling chamber through a mounting frame, and the discharge baffle 41 is led out by controlling the discharge plate cylinder 42 so as to seal the discharge port of the rice milling chamber under constant pressure. In the working process, after the brown rice enters the end part of the rice milling chamber from the feed inlet of the rice milling part 4, the brown rice is pushed by the rotating spiral propeller to enter the rice milling chamber for milling, at the moment, the discharge outlet of the rice milling chamber is blocked by the discharge baffle 41, and as the rice grain group in the rice milling chamber is small in quantity and pressure and cannot overcome the constant pressure of the discharge baffle 41, the discharge outlet is closed, but as the rice grain group in the rice milling chamber is continuously fed and pushed in by the spiral propeller, the rice grain group in the rice milling chamber is continuously increased and the pressure is continuously increased until the pressure of the rice grain group is increased enough to overcome the discharge baffle 41, so that the discharge baffle 41 is pushed to retreat, the discharge outlet is opened, the rice grain group is discharged out of the rice milling chamber, bran powder generated by milling falls into a bran discharging chamber below a bran discharging hole of a bran discharging cylinder in the rice milling chamber, and the bran discharging outlet at the bottom of the bran discharging chamber is connected with the suction pipe 5 through a hose, and the bran powder is pumped out by the suction pipe 5. The present utility model is only improved with respect to the pneumatic pressure door structure of the rice milling part 4, and other structures of the rice milling part 4 belong to the prior art, so that details are not repeated herein, and for example, an existing single-sand-roller rice milling chamber structure or a horizontal rice mill structure can be adopted.

It can be understood that the pneumatic pressure door structure of the existing rice mill is connected to a weight rod through an air cylinder, a weight is arranged on the weight rod, the weight plays a role in balancing, the weight rod is connected to a door shaft of the pressure door, and the air cylinder drives the weight rod to rotate, so that the door shaft is driven to rotate, and further the opening of a discharge hole is realized. The rice milling part 4 of the utility model adopts a discharge port pressure door structure composed of the discharge baffle 41 and the discharge plate cylinder 42, and the structure is simpler.

Optionally, the integrated machine for hulling and milling rice further comprises a vibration feeding component 9, wherein the vibration feeding component 9 is arranged above the hulling component 3 and connected with the feeding component 2, and is used for enabling rice to uniformly enter the feeding component 2 and preventing a large amount of rice from entering the feeding component 2 at the same time to cause blockage of the feeding component 2. Wherein, the feeding part 2 adopts a feeding hopper, and the vibration feeding part 9 can adopt a vibration feeding screen or a vibration feeding plate. In addition, a sensing device is arranged in the feeding part 2, and a photoelectric sensing switch can be specifically adopted for detecting whether materials enter, and the sensing device is in associated control with the rice hulling part 3. When the induction device detects that the feeding exists, two rubber roll combination rolls of the rice hulling part 3 are controlled, and the upper rubber roll group 32 is preferably adopted to firstly combine rolls, and the lower rubber roll group 33 is preferably adopted to delay combining rolls, so that the rice is prevented from directly falling into the rice milling part 4.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a rice hulling and rice milling all-in-one, its characterized in that includes main body frame (1), feeding part (2), rice huller Gu Bujian (3), rice milling part (4) and aspiration channel (5), rice huller Gu Bujian (3) and rice milling part (4) are all fixed mounting on main body frame (1) and are the intercommunication setting from top to bottom, feeding part (2) set up the top of rice huller Gu Bujian (3), aspiration channel (5) set up on the lateral wall of main body frame (1) and be connected with rice huller Gu Bujian (3) and rice milling part (4) respectively, aspiration channel (5) still are connected with outside fan to take away chaff that rice hulling in-process produced and rice milling in-process.

2. A rice huller and husker integrated machine as claimed in claim 1, wherein said rice huller Gu Bujian (3) comprises a housing (31) and a rice huller mechanism, said housing (31) is of a closed structure, a feed inlet is provided only at the top, a discharge outlet is provided at the bottom, a suction inlet is provided on the side wall, said feed inlet is communicated with the feed member (2), said discharge outlet is connected with the feed inlet of the rice huller member (4), said suction inlet is communicated with the suction pipe (5), and said rice huller mechanism is provided in said housing (31).

3. The rice huller and husker integrated machine according to claim 2, wherein said rice huller comprises an upper rubber roll group (32) and a lower rubber roll group (33) arranged at an upper and lower interval, and an upper buffer hopper is provided between said upper rubber roll group (32) and said lower rubber roll group (33) in said housing (31), and a lower buffer hopper is provided between said lower rubber roll group (33) and a discharge port.

4. A rice hulling and milling integrated machine as claimed in claim 3, wherein the upper layer rubber roller set (32) and the lower layer rubber roller set (33) comprise fixed rubber rollers and movable rubber rollers, each rubber roller comprises a rubber sleeve (34), a rubber roller hub (35), a swelling sleeve (36) and bolts (37), the rubber sleeve (34) is fixedly sleeved on the rubber roller hub (35), the rubber roller hub (35) is sleeved on the main shaft (38) and is in clearance fit with the main shaft (38), a mounting hole is formed in the end face of the rubber roller hub (35), the swelling sleeve (36) is arranged in the mounting hole, a plurality of bolt holes are uniformly distributed in the circumferential direction of the swelling sleeve (36), and one bolt (37) is arranged in each bolt hole.

5. A rice huller and rice milling integrated machine as claimed in claim 3, wherein the rice huller mechanism further comprises a first adjusting cylinder (39) and a second adjusting cylinder (310), both of which are mounted on the main body frame (1) and are arranged up and down, the first adjusting cylinder (39) is used for adjusting the distance between two rubber rolls of the upper rubber roll group (32), and the second adjusting cylinder (310) is used for adjusting the distance between two rubber rolls of the lower rubber roll group (33).

6. A rice huller and husker all-in-one machine as claimed in claim 3, further comprising a motor frame (6), a first motor (7) and a second motor (8), said motor frame (6) being arranged in close proximity to said main frame (1), said first motor (7) and said second motor (8) being mounted on said motor frame (6) and being arranged up and down, said first motor (7) being in driving connection with said huller Gu Bujian (3), said second motor (8) being in driving connection with said husking means (4).

7. A rice huller and husker integrated machine according to claim 6, wherein said first motor (7) is connected to said upper rubber roll set (32) and lower rubber roll set (33) by a double-sided timing belt.

8. A rice huller and milling integrated machine as claimed in claim 1, wherein a discharge baffle (41) is provided at a discharge port of the rice milling chamber of the rice milling unit (4), the discharge baffle (41) is connected with a discharge plate cylinder (42), the discharge plate cylinder (42) is mounted on the rice milling chamber by a mounting bracket, and the discharge plate cylinder (42) is controlled to extend so that the discharge baffle (41) seals the discharge port of the rice milling chamber at a constant pressure.

9. A rice huller and milling integrated machine as claimed in claim 1, further comprising a vibratory feeding member (9), said vibratory feeding member (9) being arranged above said huller Gu Bujian (3) and being connected to said feeding member (2) for homogenizing rice into said feeding member (2).

10. A rice huller and husker integrated machine according to claim 1, wherein said feeding means (2) is provided therein with sensing means for detecting whether there is any material entering, and wherein said sensing means is controlled in association with said huller Gu Bujian (3).