Gear type rice discharging pressure adjusting device and rice husking machine
By using a lever-structured, position-type rice discharge pressure regulating device, the problem of unreliable pressure regulation at the rice mill outlet is solved, achieving efficient separation of rice bran and broken rice, and improving rice discharge accuracy and service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-20
AI Technical Summary
The pressure adjustment structure at the outlet of existing rice milling machines is complex and unreliable, making it difficult to flexibly control the pressure setting and affecting the separation effect between rice and rice bran.
The rice dispensing pressure regulating device adopts a lever structure, which adjusts the pressure of the rice dispensing baffle through the gear seat and spring assembly. Combined with the design of the movable adjustment box and rice dispensing box, it can achieve precise control of the rice dispensing opening.
It achieves precise adjustment of the rice outlet, improves the separation effect of rice bran and broken rice, has a simple and reliable structure, extends service life, and improves rice output accuracy.
Smart Images
Figure CN224009880U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to grain processing machinery technical field, specifically, relates to a gear type rice outlet pressure regulating device and rice mill. BACKGROUND
[0002] The rice mill is very important in grain processing machinery, especially the small household rice mill equipment, which is very widely used in rural areas of China. When the rice mill works, the rice mill roller and the rice sieve are used to mill the rice into rice grains and rice bran, and then the rice grains and the rice bran are separated. The rice bran is generally sucked away by the rotating suction force of the fan in the machine base and discharged from the rice mill, and the rice grains are discharged through the rice outlet. The longer the rice grains stay in the rice outlet, the more completely the rice and rice bran are separated. At this time, a rice outlet baffle needs to be provided at the rice outlet to provide part of the pressure for the rice in the rice outlet and appropriately block the rapid discharge. The outlet pressure of part of the rice mill cannot be adjusted, and the effect of separating the rice and rice bran can only be improved by increasing the speed of the fan in the machine base. The outlet pressure of part of the rice mill can be adjusted by gears, but the adjustment structure is complex, the reliability is not high, and the gear size cannot be flexibly controlled.
[0003] Therefore, it is a technical problem to be solved by those skilled in the art to design a gear type rice outlet pressure regulating device and a rice mill which has a simple and reliable structure and can flexibly control the gear size. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a gear type rice outlet pressure regulating device and a rice mill, which has a simple structure, uses the structure of a lever to control the pressure between the rice outlet and the rice outlet baffle by the adjustment handle, makes the adjustment more relaxed and reliable, and makes the gear adjustment more flexible.
[0005] The utility model provides a gear type rice outlet pressure regulating device, including the fixed setting of the rice mill rice outlet end's rice outlet bottom plate assembly, the rice outlet bottom plate assembly middle part side wall is connected with the movable adjustment box through the hinge rod rotation, the movable adjustment box buckles in the rice outlet bottom plate assembly, the movable adjustment box upper end is provided with spring gear adjustment subassembly, the rice outlet bottom plate assembly lower extreme is seted up with the rice outlet, the rice outlet is provided with the rice outlet baffle, the rice outlet baffle is set up on the movable adjustment box through the mounting screw,
[0006] The spring gear adjustment subassembly includes the gear tooth seat of rotation connection with the movable adjustment box, the gear tooth seat front end is provided with the gear handle, the gear tooth seat rear end is provided with the gear sliding block subassembly, the gear sliding block subassembly sliding installation is in the movable adjustment box, the gear sliding block subassembly far gear tooth seat end is connected with the gear spring, the gear spring is seted up in the spring seat, the spring seat is seted up on the rice outlet bottom plate assembly upper end.
[0007] Further, the rice outlet bottom plate assembly is provided with a baffle ring along the rice outlet, and the baffle ring is matched with the rice outlet baffle.
[0008] Further, the movable adjusting box is provided with a baffle mounting seat, the rice outlet baffle is connected to the baffle mounting seat through mounting screws, a baffle mounting sleeve is arranged between the rice outlet baffle and the baffle mounting seat, and the rice outlet baffle is rotationally connected to the baffle mounting sleeve.
[0009] Further, the gear tooth seat is provided with a handle connecting head at the front end, the gear handle is fixedly connected to the handle connecting head through screws, the gear tooth seat is provided with a gear arc tooth at the rear, and the gear tooth seat is provided with a baffle ring mounting groove in the middle.
[0010] Further, the gear sliding block assembly comprises a moving sliding block, the movable adjusting box is provided with a sliding block guide plate, a sliding block guide hole is formed in the middle of the sliding block guide plate, the moving sliding block is slidably connected to the sliding block guide plate through the sliding block guide hole, the moving sliding block is provided with a gear roller at the front end, the gear roller is in abutment with the gear arc tooth, and the moving sliding block is provided with a spring connecting head at the rear end, and the front end of the gear spring is sleeved on the spring connecting head.
[0011] Further, the movable adjusting box is provided with an air inlet on the side opposite to the rice outlet, the rice outlet bottom plate assembly is provided with a rice outlet box at the lower end, the rice outlet box is provided with a main dripping plate in an inclined manner, and the rice outlet box is provided with a plurality of auxiliary dripping plates in the middle.
[0012] Further, the rice outlet box is provided with a secondary bran suction opening near the rice mill, and the secondary bran suction opening is communicated with the rice mill.
[0013] Further, the secondary bran suction opening is provided with an air adjusting plug, and the air adjusting plug is provided with air adjusting openings with different diameters.
[0014] The utility model further provides a rice mill which comprises the gear type rice outlet pressure adjusting device.
[0015] The gear type rice outlet pressure adjusting device and the rice mill have the following beneficial effects:
[0016] 1. The utility model discloses a gear type rice outlet pressure adjusting device is installed at the rice outlet, and the rice outlet baffle is arranged below the hinge connection position of the movable adjusting box, and the gear tooth seat is arranged above the hinge connection position of the movable adjusting box, under the cooperation of the gear sliding block assembly and the gear spring, the movable adjusting box is levered to make the rice outlet baffle normally closed and cover on the rice outlet, only when the rice milling chamber pressure is greater than the gear spring thrust during the rice milling process, the rice of precision is pushed away the rice outlet baffle and is discharged from the circumferential gap, the rice outlet precision can be controlled, the discharge rate of rice bran and broken rice is effectively controlled, and continuous adjustment can be realized, and the adjustment is safe and reliable, the structure is simple, the lever structure design improves the precision of gear adjustment.
[0017] 2. The spring gear adjusting assembly adopts the design of rotating gear tooth seat, makes the adjustment more convenient, and the design of gear arc tooth and gear roller makes the gear adjustment more smooth and reliable, and improves the service life.
[0018] 3. The design of the main and vice drenching plates in the rice outlet box and the secondary rice bran suction port makes the discharged rice grains fall in the rice outlet box, realizes the secondary recovery of impurities, and further improves the rice outlet precision. DRAWINGS
[0019] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and the related drawings can be obtained by the drawings for the ordinary skilled in the art without the creative labor.
[0020] Figure 1 It is the structure front view of the rice mill of the utility model,
[0021] Figure 2 It is the right view of the gear type rice outlet pressure adjusting device in the utility model,
[0022] Figure 3 It is the main body sectional view of the gear type rice outlet pressure adjusting device in the utility model,
[0023] Figure 4 It is the left view of the gear type rice outlet pressure adjusting device in the utility model,
[0024] Figure 5 It is the three-dimensional structure schematic diagram of the movable adjusting box in the utility model,
[0025] Figure 6 It is the three-dimensional structure schematic diagram of the rice outlet bottom plate assembly in the utility model,
[0026] Figure 7The structure schematic view of the gear tooth seat in the utility model is shown in the figure.
[0027] Figure 8 The structure schematic view of the gear tooth seat in the utility model is shown in the figure.
[0028] Figure 9 The structure schematic view of the gear tooth seat in the utility model is shown in the figure.
[0029] Icon: 1, rice mill; 2, rice outlet bottom plate assembly; 21, rice outlet; 22, baffle; 23, rice outlet box; 2301, main sliding plate; 2302, auxiliary sliding plate; 2303, secondary suction port; 2304, air adjusting plug; 24, hinge rod mounting hole; 3, hinge rod; 4, movable adjusting box; 41, rice outlet baffle; 42, mounting screw; 43, baffle mounting seat; 44, baffle mounting sleeve; 45, sliding block guide plate; 46, sliding block guide hole; 47, air inlet; 5, spring gear adjusting assembly; 51, gear tooth seat; 5101, handle connector; 5102, gear arc tooth; 5103, baffle mounting groove; 52, gear handle; 53, gear sliding block assembly; 5301, moving sliding block; 5302, gear roller; 5303, spring connector; 54, gear spring; 55, spring seat. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.
[0031] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0032] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0033] In addition, the terms "horizontal", "vertical" and other terms do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. As "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0034] In the description of the utility model, still need to explain, unless otherwise definite and limited, the term '' set '', '' install '', '' link '', '' connect '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be two element inside intercommunication, for ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model with specific circumstances.
[0035] As Figures 1-9 The utility model discloses a gear type rice outlet pressure regulating device, including the fixed setting of the rice mill 1 rice outlet end's rice outlet bottom plate assembly 2, the middle part lateral wall of rice outlet bottom plate assembly 2 is connected with the movable adjusting box 4 through the hinge rod 3 rotation, the movable adjusting box 4 buckling is covered on rice outlet bottom plate assembly 2, the upper end of movable adjusting box 4 is provided with spring gear position adjusting assembly 5, the lower end of rice outlet bottom plate assembly 2 is provided with the rice outlet 21, the rice outlet 21 is provided with the rice outlet baffle 41, the rice outlet baffle 41 is set up on movable adjusting box 4 through mounting screw 42;
[0036] Spring gear position adjusting assembly 5 includes the gear tooth seat 51 of movable adjusting box 4 rotation, the front end of gear tooth seat 51 is provided with gear handle 52, the rear end of gear tooth seat 51 is provided with gear sliding block assembly 53, gear sliding block assembly 53 sliding installation is in movable adjusting box 4, the end of gear sliding block assembly 53 is connected with gear spring 54, gear spring 54 sets up in spring seat 55, spring seat 55 sets up on the upper end of rice outlet bottom plate assembly 2.
[0037] The hinge rod installation hole 24 is formed in the lateral wall of the rice outlet bottom plate assembly 2, and the hinge rod 3 is rotatably connected to the movable adjusting box 4 through the hinge rod installation hole 24.
[0038] The utility model discloses a gear type rice outlet pressure regulating device installed at the rice outlet end of the rice mill 1, which can control the rice outlet precision of the rice outlet 21, effectively control the discharge rate of rice bran and broken rice, and realize continuous adjustment safely and reliably. The lever structure is used to connect the rice outlet bottom plate assembly 2 and the movable adjusting box 4, the pressure between the movable adjusting box 4 and the rice outlet bottom plate assembly 2 is adjusted by the spring gear position adjusting assembly 5, the gap and pressure between the rice outlet 21 and the rice outlet baffle 41 are controlled, and then the pressure when the rice particles are discharged from the rice outlet 21 is controlled, the precision of the rice particles discharged from the rice outlet 21 is controlled, and the discharge rate of rice bran and broken rice is controlled. The structure is simple and reliable, and the design of the lever structure improves the precision of gear adjustment.
[0039] When the rice milling machine 1 is working, the paddy rice rubs against each other in the milling chamber, squeezing out rice grains, which move towards the rice outlet 21. At this time, it is blocked by the rice outlet baffle 41. Under the action of the fan and the screen, the rice grains are screened again. The rice grains rotate and accumulate in the rice outlet 21, and squeeze the rice outlet baffle 41. When the pressure creates a gap between the rice outlet baffle 41 and the rice outlet 21 of the rice outlet bottom plate assembly 2, the rice will be squeezed out and fall along the circumferential gap of the rice outlet 21. By selecting the gear tooth seat 51, the pressure of the gear spring 54 can be changed, thereby changing the pressure of the gear spring 54 squeezing the rice outlet bottom plate assembly 2, so that the pressure between the movable adjustment box 4 and the rice outlet bottom plate assembly 2 changes. When the pressure between the rice outlet bottom plate assembly 2 and the rice outlet baffle 41 is the maximum, the force required for the rice grains to push open the rice outlet baffle 41 is also greater, so that the rice grains stay in the milling chamber for a longer time, the rice bran and broken rice are separated better, and the rice grains discharged have fewer impurities. The rice discharge baffle 41 is positioned below the hinge connection of the movable adjustment box 4, while the gear position tooth seat 51 is positioned above the hinge connection of the movable adjustment box 4. Under the combined thrust of the gear position slider assembly 53 and the gear position spring 54, the movable adjustment box 4 acts as a lever, causing the rice discharge baffle 41 to normally close and cover the rice discharge port 21. Only during the rice milling process, when the pressure in the rice milling chamber exceeds the thrust of the gear position spring 54, will the rice that has reached the required precision push open the rice discharge baffle 41 and be discharged from the circumferential gap.
[0040] In one embodiment, such as Figure 3 As shown, a retaining ring 22 is provided along the rice outlet 21 on the rice outlet bottom plate assembly 2, and the retaining ring 22 is adapted to the rice outlet baffle 41. This makes the rice outlet baffle 41 and the rice outlet 21 of the rice outlet bottom plate assembly 2 have a tighter contact.
[0041] In one embodiment, such as Figure 3 , 5 As shown, the movable adjustment box 4 is provided with a baffle mounting seat 43. The rice dispensing baffle 41 is connected to the baffle mounting seat 43 by mounting screws 42. A baffle mounting sleeve 44 is provided between the rice dispensing baffle 41 and the baffle mounting seat 43. The rice dispensing baffle 41 and the baffle mounting sleeve 44 are rotatably connected.
[0042] The rice grains tumble and rub against each other in the rice milling chamber. When they are squeezed and pressed against the rice discharge baffle 41, the baffle 41 rotates as well. When the pressure creates a gap between the rice discharge baffle 41 and the rice discharge port 21, the rice is squeezed out along the circumferential gap of the rice discharge port 21. The rice discharge baffle 41 can rotate around the baffle mounting sleeve 44, which prevents the rice grains from excessively rubbing against the baffle 41, causing wear and tear on the rice grains and reducing the rice yield.
[0043] In one embodiment, such as Figures 3-4, 7-9, the gear tooth seat 51 front end is provided with handle connector 5101, the gear handle 52 is fixedly connected on the handle connector 5101 by screw, the gear tooth seat 51 rear is provided with gear arc tooth 5102, the gear tooth seat 51 middle part is provided with the gear ring installation groove 5103.
[0044] The gear slider assembly 53 includes a moving slider 5301, the movable adjusting box 4 is provided with a slider guide plate 45, the middle part of the slider guide plate 45 is provided with a slider guide hole 46, the moving slider 5301 is slidably connected with the slider guide plate 45 by penetrating the slider guide hole 46, the front end of the moving slider 5301 is provided with a gear roller 5302, the gear roller 5302 abuts against the gear arc tooth 5102, the rear end of the moving slider 5301 is provided with a spring connector 5303, and the front end of the gear spring 54 is sleeved on the spring connector 5303.
[0045] The gear handle 52 is fixedly connected with the handle connector 5101 by screw, the gear handle 52 is provided with gear scales around, so that the operator can know the gear condition, the gear arc tooth 5102 is a step connected at the head and tail, the adjacent gear arc teeth 5102 are circularly transitioned, the height of the gear arc tooth 5102 is increased, and finally returns to the original position. When the gear handle 52 is rotated, the gear tooth seat 51 is rotated, the gear arc tooth 5102 on the gear tooth seat 51 in contact with the gear roller 5302 is changed, the position of the moving slider 5301 is changed, the pressure of the gear spring 54 and the bottom plate assembly 2 is further changed, the pressure between the discharge port 21 and the discharge baffle 41 of the bottom plate assembly 2 is changed, and thus the discharging precision is changed.
[0046] The spring gear adjusting assembly 5 adopts the design of the rotating gear tooth seat 51, so that the adjustment is more convenient, and the design of the gear arc tooth 5102 and the gear roller 5302 makes the gear adjustment more smooth and reliable, and the service life is improved.
[0047] In one embodiment, as shown in Figures 2-3 The movable adjusting box 4 is provided with an air inlet 47 opposite to the discharge port 21, the bottom plate assembly 2 is provided with a discharge box 23 at the lower end, the discharge box 23 is provided with a main dripping plate 2301 in an inclined manner, and the discharge box 23 is provided with a plurality of auxiliary dripping plates 2302 in the middle part.
[0048] The discharge box 23 is provided with a secondary bran suction port 2303 close to the rice mill 1, and the secondary bran suction port 2303 is communicated with the rice mill 1. The secondary bran suction port 2303 is provided with an air adjusting plug 2304, and the air adjusting plug 2304 is provided with air adjusting ports with different diameters.
[0049] The design of the main sliding plate 2301, the auxiliary sliding plate 2302 and the secondary suction grain port 2303 in the rice discharging box 23 can realize secondary recovery of impurities when the discharged rice grains fall in the rice discharging box 23, and further improve the rice discharging precision. The secondary suction grain port 2303 can change the suction force by adjusting the air adjusting plug 2304, so as to realize different effects of suction.
[0050] The utility model further provides a rice mill 1, including any one of above-mentioned gear type rice discharging pressure adjusting device. Rice discharging baffle 41 sets up below the hinge connection position of movable adjusting box 4, gear tooth seat 51 sets up above the hinge connection position of movable adjusting box 4, under the cooperation thrust of gear sliding block assembly 53 and gear spring 54, with movable adjusting box 4 as lever makes that rice discharging baffle 41 normally closed covers on rice discharging mouth 21. Only in the rice milling process, the pressure of rice milling chamber is greater than spring thrust, reaches the precision of rice and pushes away rice discharging baffle 41, discharges from the circumference gap. Its simple and reliable structure, adopt the structure of lever to make the pressure between adjusting handle control movable adjusting box 4 and rice discharging bottom plate assembly 2, make the adjustment more relaxed and reliable, and gear adjustment is more flexible.
[0051] The above is only preferred embodiment of the utility model, and is not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A pressure regulating device for rice dispensing with adjustable speed settings, characterized in that: The rice discharge bottom plate assembly (2) is fixedly installed at the rice discharge end of the rice milling machine (1). The middle side wall of the rice discharge bottom plate assembly (2) is rotatably connected to a movable adjustment box (4) via a hinge rod (3). The movable adjustment box (4) is fastened onto the rice discharge bottom plate assembly (2). A spring gear adjustment component (5) is provided at the upper end of the movable adjustment box (4). A rice discharge port (21) is opened at the lower end of the rice discharge bottom plate assembly (2). A rice discharge baffle (41) is provided at the rice discharge port (21). The rice discharge baffle (41) is installed on the movable adjustment box (4) by mounting screws (42). The spring gear adjustment assembly (5) includes a gear tooth seat (51) rotatably connected to the movable adjustment box (4). A gear handle (52) is provided at the front end of the gear tooth seat (51), and a gear slider assembly (53) is provided at the rear end of the gear tooth seat (51). The gear slider assembly (53) is slidably mounted on the movable adjustment box (4). A gear spring (54) is connected to the end of the gear slider assembly (53) far from the gear tooth seat (51). The gear spring (54) is located in a spring seat (55), and the spring seat (55) is located at the upper end of the rice dispensing base plate assembly (2).
2. The adjustable rice dispensing pressure device according to claim 1, characterized in that: A retaining ring (22) is provided along the rice outlet (21) of the rice outlet bottom plate assembly (2), and the retaining ring (22) is adapted to the rice outlet baffle (41).
3. The adjustable rice dispensing pressure device according to claim 1, characterized in that: The movable adjustment box (4) is provided with a baffle mounting seat (43). The rice discharge baffle (41) is connected to the baffle mounting seat (43) by mounting screws (42). A baffle mounting sleeve (44) is provided between the rice discharge baffle (41) and the baffle mounting seat (43). The rice discharge baffle (41) and the baffle mounting sleeve (44) are rotatably connected.
4. The adjustable rice dispensing pressure device according to claim 1, characterized in that: The gear position tooth seat (51) is provided with a handle connector (5101) at the front end, and the gear position handle (52) is fixedly connected to the handle connector (5101) by screws. The gear position tooth seat (51) is provided with a gear position arc tooth (5102) at the rear end, and the gear position tooth seat (51) is provided with a gear ring mounting groove (5103) in the middle.
5. The adjustable rice dispensing pressure device according to claim 4, characterized in that: The gear slider assembly (53) includes a movable slider (5301), and a slider guide plate (45) is provided in the movable adjustment box (4). A slider guide hole (46) is provided in the middle of the slider guide plate (45). The movable slider (5301) passes through the slider guide hole (46) and is slidably connected to the slider guide plate (45). A gear roller (5302) is provided at the front end of the movable slider (5301). The gear roller (5302) abuts against the gear arc tooth (5102). A spring connector (5303) is provided at the rear end of the movable slider (5301). The front end of the gear spring (54) is sleeved on the spring connector (5303).
6. The adjustable rice dispensing pressure device according to claim 1, characterized in that: The movable adjustment box (4) has an air inlet (47) on the opposite side of the rice outlet (21). The rice outlet bottom plate assembly (2) has a rice outlet box (23) at the lower end. The main flow plate (2301) is inclinedly arranged inside the rice outlet box (23). Multiple secondary flow plates (2302) are arranged in the middle of the rice outlet box (23).
7. The adjustable rice dispensing pressure device according to claim 6, characterized in that: The rice outlet (23) has a secondary bran suction port (2303) at the end near the rice milling machine (1), and the secondary bran suction port (2303) is connected to the rice milling machine (1).
8. The adjustable rice dispensing pressure device according to claim 7, characterized in that: The secondary suction port (2303) is equipped with an air regulating baffle plate (2304), and the air regulating baffle plate (2304) has air regulating ports of different diameters.
9. A rice milling machine (1), characterized in that: Includes the gear-type rice dispensing pressure regulating device as described in any one of claims 1-8.