Buckwheat huller capable of dynamically regulating pressure

Abstract

The utility model relates to a buckwheat huller capable of dynamically adjusting pressure, and belongs to the technical field of grain hulling. The device comprises a rack and a box body, wherein the box body is arranged on the rack; a feeding hole communicated with the outside is formed in the top of the box body, and a discharging hole is formed in the bottom of the box body; a partition plate is arranged in an inner cavity of the box body and divides the inner cavity of the box body into a rubbing hulling cavity and a screening cavity. The top of the rubbing shelling cavity is communicated with the feeding hole; the inner wall of the rubbing shelling cavity is connected with a rubbing shelling mechanism; a connecting frame is arranged in the screening cavity and provided with a screening mechanism. The multiple groups of fixed rubber roller assemblies and the multiple groups of movable rubber roller assemblies can be adjusted, so that the hulling requirements on tartary buckwheat or other materials with different physical properties in actual production are met; and the acting force on the buckwheat grains is always in a low-pressure state, so that a relatively high whole kernel rate is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of grain shelling, in particular to a buckwheat shelling machine capable of dynamically adjusting pressure. Background Art

[0002] Buckwheat seeds are in the shape of a triangular pyramid with deep depressions and prominent arc-shaped corners. Buckwheat husks are tough, and the kernels are brittle, with the husks and kernels close together and small gaps. Due to the special physical and chemical properties of buckwheat, buckwheat shelling and equipment have always been bottlenecks restricting its deep processing.

[0003] At present, the buckwheat shelling methods and equipment used in China generally use extrusion, grinding, rubbing, impact and other actions to shell the material. During the shelling process, due to the large extrusion and impact forces, the buckwheat will inevitably be more broken during shelling. Utility Model Content

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A buckwheat shelling machine capable of dynamically adjusting pressure, comprising:

[0006] A frame and a box body, wherein the box body is arranged on the frame; a feed port communicating with the outside is arranged on the top of the box body, and a discharge port is arranged on the bottom of the box body; a partition is arranged on the inner cavity of the box body, and the partition divides the inner cavity of the box body into a kneading and shelling chamber and a screening chamber; the partition is provided with a connecting passage communicating with the kneading and shelling chamber and the screening chamber; the discharge port is provided with a valve; the top of the kneading and shelling chamber is connected with the feed port;

[0007] The inner wall of the kneading and shelling cavity is connected to a kneading and shelling mechanism;

[0008] A connecting frame is provided in the screening chamber, and a screening mechanism is provided on the connecting frame;

[0009] A fan is arranged on the frame; an output end of the fan is connected to an air duct, an end of the air duct away from the fan passes through the box and is located below the screening mechanism in the screening chamber; a side wall of the screening mechanism is also provided with a shell outlet pipe corresponding to the air duct.

[0010] Furthermore, the kneading and shelling mechanism comprises a plurality of fixed rubber roller assemblies and a plurality of movable rubber roller assemblies; the plurality of fixed rubber roller assemblies and the plurality of movable rubber roller assemblies are alternately arranged along the height direction of the kneading and shelling cavity.

[0011] Furthermore, the fixed rubber roller assembly includes two correspondingly arranged first and second fixed rubber rollers; the first ends of the first and second fixed rubber rollers are rotatably connected to the side wall of the kneading and shelling chamber, and the second ends of the first and second fixed rubber rollers are respectively connected to the first motor through the first roller shaft; the first motor is installed on the side wall of the kneading and shelling chamber;

[0012] The movable rubber roller assembly comprises a movable rubber roller, and the movable rubber roller is located between the first fixed rubber roller and the second fixed rubber roller; the first end of the movable rubber roller is rotatably connected to the first movable assembly; the second end of the movable rubber roller is connected to the second motor through the second roller shaft, and the second motor is connected to the second movable assembly; the first movable assembly and the second movable assembly are correspondingly arranged on the side walls of the kneading and shelling chamber;

[0013] Wherein, the first fixed rubber roller and the second fixed rubber roller rotate towards each other.

[0014] Furthermore, a plurality of first sliding grooves and a second sliding groove matching the first moving assembly and the second moving assembly are arranged on the side wall of the kneading and shelling chamber; a plurality of driving cavities corresponding to the first sliding grooves and the second sliding grooves are also arranged on the side wall of the kneading and shelling chamber; a driving assembly is arranged in the driving cavity;

[0015] The first moving assembly comprises a first threaded rod and a first sliding block, wherein the first sliding block is provided with a first internal threaded hole matching the first threaded rod; the first sliding block is rotatably connected to the first end of the moving rubber roller; the first end of the first threaded rod is rotatably connected to the bottom wall of the first sliding groove, and the second end of the first threaded rod passes through the first sliding block and is rotatably connected to the top wall of the first sliding groove; wherein the first end of the first threaded rod passes through the bottom wall of the first sliding groove and extends into the driving cavity, and is connected to the driving end of the driving assembly;

[0016] The second moving component includes a second threaded rod and a second sliding block, the second sliding block is provided with a second internal threaded hole matching the second threaded rod; the second sliding block is connected to a second motor; the first end of the second threaded rod is rotatably connected to the bottom wall of the second sliding groove, and the second end of the second threaded rod passes through the second sliding block and is rotatably connected to the top wall of the second sliding groove; wherein, the first end of the second threaded rod passes through the bottom wall of the second sliding groove and extends into the driving cavity, and is connected to the driving end of the driving component.

[0017] Further, the driving assembly includes a connecting rod, a fixing rod, a first bevel gear and a second bevel gear matching the first bevel gear;

[0018] The first end of the connecting rod is connected to the first end of the first threaded rod and the first end of the second threaded rod respectively; the second end of the connecting rod is connected to the bottom wall of the driving cavity; the fixing rod is vertically arranged with the connecting rod;

[0019] The first bevel gear is meshed with the second bevel gear; the first bevel gear is fixedly mounted on the connecting rod, the second bevel gear is fixedly mounted on the first end of the fixed rod, the second end of the fixed rod extends through the side wall of the driving cavity to the outside and is connected to a knob; the knob is rotatably connected to the outside of the box.

[0020] Furthermore, the screening mechanism includes a rotating assembly, a fixed brush and a dynamic brush arranged corresponding to the fixed brush; the rotating assembly is arranged at the center of the screening chamber and is located above the air duct; the fixed brush is distributed on the side wall of the screening chamber along the circumferential direction of the box body, and the dynamic brush is arranged on the rotating assembly.

[0021] Further, the rotating assembly includes a connecting frame, a rotating shaft and a third motor; an umbrella-shaped baffle is provided on the top of the connecting frame; the third motor is fixedly mounted on the top of the connecting frame and is located below the umbrella-shaped baffle; the rotating shaft is rotatably arranged on the connecting frame, and one end of the rotating shaft is connected to the driving end of the third motor;

[0022] The axis of the rotating shaft and the axis of the umbrella-shaped baffle coincide with the axis of the screening chamber.

[0023] Furthermore, the partition is arranged to be inclined along the direction of the connecting channel; and the bottom of the screening chamber is arranged to be inclined along the direction of the discharge port.

[0024] Beneficial effects:

[0025] The utility model can adjust multiple groups of fixed rubber roller components and multiple groups of movable rubber roller components to meet the shelling requirements of bitter buckwheat or other materials with different physical properties in actual production; the force acting on the buckwheat grains is always in a low-pressure state, ensuring a high whole kernel rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of a buckwheat shelling machine capable of dynamically adjusting pressure proposed by the utility model;

[0027] Figure 2 It is a side view of a buckwheat shelling machine capable of dynamically adjusting pressure proposed by the utility model;

[0028] Figure 3 It is a structural schematic diagram of the first moving assembly proposed by the utility model;

[0029] Among them, 1. kneading and shelling chamber; 2. screening chamber; 3. kneading and shelling mechanism; 4. moving brush; 5. fixed brush; 6. umbrella-shaped baffle; 7. third motor; 8. rotating shaft; 9. air duct; 10. fan; 11. fixed rubber roller assembly; 12. movable rubber roller assembly; 13. first slider; 14. first threaded rod; 15. first bevel gear; 16. second bevel gear; 17. knob; 18. shelling pipe. DETAILED DESCRIPTION

[0030] Example 1

[0031] refer to Figure 1-Figure 3 , a buckwheat shelling machine capable of dynamically adjusting pressure, comprising:

[0032] The frame and the box body are arranged on the frame; the top of the box body is provided with a feed port connected to the outside, and the bottom of the box body is provided with a discharge port; the inner cavity of the box body is provided with a partition, and the partition divides the inner cavity of the box body into a kneading and shelling chamber 1 and a screening chamber 2; the partition is provided with a connecting passage connecting the kneading and shelling chamber 1 and the screening chamber 2; the discharge port is provided with a valve; the top of the kneading and shelling chamber 1 is connected with the feed port;

[0033] The inner wall of the kneading and shelling chamber 1 is connected to a kneading and shelling mechanism 3;

[0034] A connecting frame is provided in the screening chamber 2, and a screening mechanism is provided on the connecting frame;

[0035] The fan 10 is arranged on the frame; the output end of the fan 10 is connected with an air duct, the end of the air duct 9 away from the fan 10 passes through the box and is located below the screening mechanism in the screening chamber 2; the side wall of the screening chamber is also provided with an outlet pipe 18 corresponding to the air duct 9.

[0036] In this embodiment, a feed hopper is provided at the feed inlet, and a flow regulating valve is provided at the bottom of the feed hopper.

[0037] Preferably, the kneading and shelling mechanism 3 comprises a plurality of fixed rubber roller assemblies 11 and a plurality of movable rubber roller assemblies 12 ; the plurality of fixed rubber roller assemblies 11 and the plurality of movable rubber roller assemblies 12 are alternately arranged along the height direction of the kneading and shelling chamber 1 .

[0038] In this embodiment, one set of fixed rubber roller assemblies 11 is provided, and two sets of movable rubber roller assemblies 12 are provided; dynamic pressure regulation is performed by adjusting the gap between the fixed rubber roller assemblies 11 and the movable rubber roller assemblies 12 .

[0039] Preferably, the fixed rubber roller assembly 11 includes two correspondingly arranged first fixed rubber rollers and second fixed rubber rollers; the first ends of the first fixed rubber rollers and the second fixed rubber rollers are rotatably connected to the side wall of the kneading and shelling chamber 1, and the second ends of the first fixed rubber rollers and the second fixed rubber rollers are respectively connected to the first motor through the first roller shaft; the first motor is installed on the side wall of the kneading and shelling chamber 1;

[0040] The movable rubber roller assembly 12 includes a movable rubber roller, which is located between the first fixed rubber roller and the second fixed rubber roller; the first end of the movable rubber roller is rotatably connected to the first movable assembly; the second end of the movable rubber roller is connected to the second motor through the second roller shaft, and the second motor is connected to the second movable assembly; the first movable assembly and the second movable assembly are correspondingly arranged on the side walls of the kneading and shelling chamber 1;

[0041] The first fixed rubber roller and the second fixed rubber roller rotate towards each other.

[0042] Preferably, a plurality of first sliding grooves and a second sliding groove matching the first moving assembly and the second moving assembly are arranged on the side wall of the kneading and shelling chamber 1; a plurality of driving cavities corresponding to the first sliding grooves and the second sliding grooves are also arranged on the side wall of the kneading and shelling chamber 1; a driving assembly is arranged in the driving cavity;

[0043] The first moving assembly includes a first threaded rod 14 and a first slider 13, wherein the first slider 13 is provided with a first internal threaded hole matching the first threaded rod 14; the first slider 13 is rotatably connected to the first end of the moving rubber roller; the first end of the first threaded rod 14 is rotatably connected to the bottom wall of the first sliding groove, and the second end of the first threaded rod 14 is rotatably connected to the top wall of the first sliding groove through the first slider 13; wherein the first end of the first threaded rod 14 passes through the bottom wall of the first sliding groove and extends into the driving cavity, and is connected to the driving end of the driving assembly;

[0044] The second moving component includes a second threaded rod and a second sliding block, the second sliding block is provided with a second internal threaded hole matching the second threaded rod; the second sliding block is connected to the second motor; the first end of the second threaded rod is rotatably connected to the bottom wall of the second sliding groove, and the second end of the second threaded rod passes through the second sliding block and is rotatably connected to the top wall of the second sliding groove; wherein the first end of the second threaded rod passes through the bottom wall of the second sliding groove and extends into the driving cavity, and is connected to the driving end of the driving component.

[0045] Preferably, the driving assembly includes a connecting rod, a fixing rod, a first bevel gear 15 and a second bevel gear 16 matching the first bevel gear 15;

[0046] The first end of the connecting rod is connected to the first end of the first threaded rod 14 and the first end of the second threaded rod respectively; the second end of the connecting rod is connected to the bottom wall of the driving cavity; the fixing rod is vertically arranged with the connecting rod;

[0047] The first bevel gear 15 is meshed with the second bevel gear 16; the first bevel gear 15 is fixedly mounted on the connecting rod, the second bevel gear 16 is fixedly mounted on the first end of the fixed rod, the second end of the fixed rod extends through the side wall of the driving cavity to the outside and is connected to a knob 17; the knob 17 is rotatably connected to the outside of the box.

[0048] In this embodiment, the outer side of the box body is provided with scales along the circumference of the knob 17 .

[0049] Preferably, the screening mechanism includes a rotating assembly, a fixed brush 5 and a dynamic brush 4 arranged corresponding to the fixed brush 5; the rotating assembly is arranged at the center of the screening chamber 2 and is located above the air duct 9; the fixed brush 5 is distributed on the side wall of the screening chamber 2 along the circumferential direction of the box body, and the dynamic brush 4 is arranged on the rotating assembly.

[0050] Preferably, the rotating assembly includes a connecting frame, a rotating shaft and a third motor 7; an umbrella-shaped baffle 6 is provided on the top of the connecting frame; the third motor 7 is fixedly mounted on the top of the connecting frame and is located below the umbrella-shaped baffle 6; the rotating shaft is rotatably provided on the connecting frame, and one end of the rotating shaft is connected to the driving end of the third motor 7;

[0051] The axis of the rotating shaft and the axis of the umbrella-shaped baffle 6 coincide with the axis of the screening chamber 2 .

[0052] Preferably, the partition is arranged to be inclined along the direction of the connecting channel; and the bottom of the screening chamber 2 is arranged to be inclined along the direction of the discharge port.

[0053] In this embodiment, the connection between the kneading and shelling chamber 1 and the screening chamber 2 is arranged above the umbrella-shaped baffle 6 .

[0054] Working principle: adjust the gap between the movable rubber roller assembly 12 and the fixed rubber roller assembly 11, start the first motor, the second motor, the third motor 7 and the fan 10, drive the first fixed rubber roller, the second fixed rubber roller, the movable rubber roller and the rotating assembly; put buckwheat into the feed hopper, and adjust the flow rate of buckwheat entering through the flow regulating valve; rub and shell the buckwheat, and the shelled buckwheat enters the screening chamber 2, and the shelled buckwheat is separated from the buckwheat kernel by the cooperation of the dynamic brush 4 and the fixed brush 5, so that the buckwheat husk is blown away from the shelling pipe 18 under the action of the fan 10 in the air duct 9, leaving the buckwheat kernel to flow out from the discharge port.

[0055] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A buckwheat shelling machine with dynamic pressure regulation, characterized in that: include: A frame and a box body, wherein the box body is arranged on the frame; a feed port communicating with the outside is arranged on the top of the box body, and a discharge port is arranged on the bottom of the box body; a partition is arranged on the inner cavity of the box body, and the partition divides the inner cavity of the box body into a kneading and shelling chamber and a screening chamber; the partition is provided with a connecting passage communicating with the kneading and shelling chamber and the screening chamber; the discharge port is provided with a valve; the top of the kneading and shelling chamber is connected with the feed port; The inner wall of the kneading and shelling cavity is connected to a kneading and shelling mechanism; A connecting frame is provided in the screening chamber, and a screening mechanism is provided on the connecting frame; A fan is arranged on the frame; an output end of the fan is connected to an air duct, an end of the air duct away from the fan passes through the box body and is located below the screening mechanism in the screening chamber; a side wall of the screening chamber is also provided with an outlet pipe corresponding to the air duct.

2. A buckwheat shelling machine with dynamic pressure regulation as claimed in claim 1, characterized in that: The kneading and shelling mechanism comprises a plurality of fixed rubber roller assemblies and a plurality of movable rubber roller assemblies; the plurality of fixed rubber roller assemblies and the plurality of movable rubber roller assemblies are alternately arranged along the height direction of the kneading and shelling cavity.

3. A buckwheat shelling machine with dynamic pressure regulation as claimed in claim 2, characterized in that: The fixed rubber roller assembly includes two correspondingly arranged first and second fixed rubber rollers; the first ends of the first and second fixed rubber rollers are rotatably connected to the side wall of the kneading and shelling chamber, and the second ends of the first and second fixed rubber rollers are respectively connected to the first motor through the first roller shaft; the first motor is installed on the side wall of the kneading and shelling chamber; The movable rubber roller assembly comprises a movable rubber roller, and the movable rubber roller is located between the first fixed rubber roller and the second fixed rubber roller; the first end of the movable rubber roller is rotatably connected to the first movable assembly; the second end of the movable rubber roller is connected to the second motor through the second roller shaft, and the second motor is connected to the second movable assembly; the first movable assembly and the second movable assembly are correspondingly arranged on the side walls of the kneading and shelling chamber; Wherein, the first fixed rubber roller and the second fixed rubber roller rotate towards each other.

4. A buckwheat shelling machine with dynamic pressure regulation as claimed in claim 3, characterized in that: The side wall of the kneading and shelling chamber is provided with a plurality of first sliding grooves and second sliding grooves matching the first moving assembly and the second moving assembly; the side wall of the kneading and shelling chamber is also provided with a plurality of driving cavities corresponding to the first sliding grooves and the second sliding grooves; a driving assembly is provided in the driving cavity; The first moving assembly comprises a first threaded rod and a first sliding block, wherein the first sliding block is provided with a first internal threaded hole matching the first threaded rod; the first sliding block is rotatably connected to the first end of the moving rubber roller; the first end of the first threaded rod is rotatably connected to the bottom wall of the first sliding groove, and the second end of the first threaded rod passes through the first sliding block and is rotatably connected to the top wall of the first sliding groove; wherein the first end of the first threaded rod passes through the bottom wall of the first sliding groove and extends into the driving cavity, and is connected to the driving end of the driving assembly; The second moving component includes a second threaded rod and a second sliding block, the second sliding block is provided with a second internal threaded hole matching the second threaded rod; the second sliding block is connected to a second motor; the first end of the second threaded rod is rotatably connected to the bottom wall of the second sliding groove, and the second end of the second threaded rod passes through the second sliding block and is rotatably connected to the top wall of the second sliding groove; wherein, the first end of the second threaded rod passes through the bottom wall of the second sliding groove and extends into the driving cavity, and is connected to the driving end of the driving component.

5. A buckwheat shelling machine with dynamic pressure regulation as claimed in claim 4, characterized in that: The driving assembly includes a connecting rod, a fixing rod, a first bevel gear and a second bevel gear matching the first bevel gear; The first end of the connecting rod is connected to the first end of the first threaded rod and the first end of the second threaded rod respectively; the second end of the connecting rod is connected to the bottom wall of the driving cavity; the fixing rod is vertically arranged with the connecting rod; The first bevel gear is meshed with the second bevel gear; the first bevel gear is fixedly mounted on the connecting rod, the second bevel gear is fixedly mounted on the first end of the fixed rod, the second end of the fixed rod extends through the side wall of the driving cavity to the outside and is connected to a knob, and the knob is rotatably connected to the outside of the box.

6. A buckwheat shelling machine with dynamic pressure regulation as claimed in claim 1, characterized in that: The screening mechanism includes a rotating assembly, a fixed brush and a dynamic brush arranged corresponding to the fixed brush; the rotating assembly is arranged at the center of the screening cavity and is located above the air duct; the fixed brush is distributed on the side wall of the screening cavity along the circumferential direction of the box body, and the dynamic brush is arranged on the rotating assembly.

7. A buckwheat shelling machine capable of dynamically adjusting pressure as claimed in claim 6, characterized in that: The rotating assembly includes a connecting frame, a rotating shaft and a third motor; an umbrella-shaped baffle is arranged on the top of the connecting frame; the third motor is fixedly mounted on the top of the connecting frame and is located below the umbrella-shaped baffle; the rotating shaft is rotatably arranged on the connecting frame, and one end of the rotating shaft is connected to the driving end of the third motor; The axis of the rotating shaft and the axis of the umbrella-shaped baffle coincide with the axis of the screening chamber.

8. The buckwheat shelling machine with dynamic pressure regulation according to claim 1, characterized in that: The partition is arranged obliquely along the direction of the connecting channel; and the bottom of the screening chamber is arranged obliquely along the direction of the discharge port.

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