Plant extraction pulverizing device

Abstract

The utility model discloses a smashing device for plant extraction mainly relates to the field of fruit crushing. Including the crushing host, the bottom of crushing host is equipped with the discharge gate, the butt joint fixed with the discharge channel is arranged at the discharge gate, the below of discharge channel is equipped with the material guiding groove butt joint with it, the material guiding groove is the chute structure of 15-30 degrees of gradient, the butt joint with the width corresponding cloth material groove is arranged at the bottom side of material guiding groove, the cloth material groove is the chute structure of 5-8 degrees of gradient, the vibrator is installed the bottom surface of cloth material board, the above of cloth material groove is equipped with the auxiliary material pipe, a plurality of nozzles are installed on the auxiliary material pipe. The utility model has the beneficial effect that it can spray ethanol solution and mix evenly immediately after crushing, reduce the oxidation browning problem of fruit broken exposure, improve the extraction rate and the quality of extract.

Description

Technical Field

[0001] This utility model relates to the field of fruit crushing, specifically a crushing device for plant extraction. Background Technology

[0002] In the extraction process of fruits such as blueberries, it is usually necessary to first break the fruit into small pieces or pulp, then use a solution for extraction. After the obtained extract undergoes post-processing such as column purification, decolorization, and concentration, a high-purity extract can be obtained. For blueberries, the quality and effectiveness of the extract are directly related to the breaking process and subsequent treatment.

[0003] Currently, mechanical crushing equipment is commonly used to crush blueberries. However, since anthocyanins are easily degraded and affected by metals, the high-speed rotating components and metal structures in mechanical crushing are detrimental factors that lead to a decrease in extraction rate. In addition, blueberries need to be transferred to the extraction tank as soon as possible after crushing. Acidified ethanol (such as citric acid or tartaric acid adjusted to pH 3.0-3.5) is added at a material-to-liquid ratio of 1:1 to 1:2 (g / mL) to inhibit oxidase activity and prevent anthocyanin degradation. However, in the existing production system, the crushed blueberries need to be collected for a period of time before being transferred to the extraction tank. This results in different degrees of oxidation of the crushed material due to the time sequence, which reduces the overall quality and efficiency of extraction. Utility Model Content

[0004] The purpose of this invention is to provide a pulverizing device for plant extraction, which can spray an ethanol solution immediately after crushing and mix it evenly, reducing problems such as oxidative browning of exposed fruit fragments, and improving the extraction rate and quality of the extract.

[0005] To achieve the above objectives, this utility model employs the following technical solution:

[0006] A pulverizing device for plant extraction includes a crushing main unit. The bottom of the crushing main unit is provided with a feeding port, and a feeding channel is fixedly connected to the feeding port. Below the feeding channel is a guide trough connected to it. The guide trough is a chute structure with a slope of 15-30 degrees. The bottom side of the guide trough is connected to a feeding trough corresponding to its width. The feeding trough is a chute structure with a slope of 5-8 degrees. A vibrator is installed on the bottom surface of the feeding trough. An auxiliary material pipe is provided above the feeding trough, and multiple nozzles are installed on the auxiliary material pipe.

[0007] The crushing host includes a housing, inside which two parallel and oppositely rotating shafts run horizontally through. Crushing elements are sleeved and fixed on the shafts. Each crushing element is a cylindrical plastic part. The periphery of the crushing element is alternately provided with multiple protrusions and recesses. The protrusions are outwardly convex arc-shaped surfaces, and the recesses are inwardly concave arc-shaped surfaces. The protrusions and recesses of the two crushing elements interlock. A plastic bushing is provided inside the housing. The plastic bushing has an arc-shaped part at the crushing element. The arc-shaped part is adapted to the cylindrical space occupied by the crushing element when it rotates.

[0008] A fabric plate is provided above the bottom side of the material guide trough. The bottom side of the fabric plate has a gap d with the bottom of the material guide trough. The width of the fabric plate is adapted to the width of the material guide trough.

[0009] The fabric plate is a ∧-shaped plate with a central bend, and the tip of the bend is positioned high near the guide trough.

[0010] The auxiliary material tubes include a first auxiliary material tube and a second auxiliary material tube that are equidistant from each other and arranged in parallel in the fabric trough. The length direction of the first auxiliary material tube and the width direction of the fabric trough are in the same direction. Each of the first auxiliary material tube and the second auxiliary material tube is provided with 3-5 fan-shaped atomizing nozzles. The first auxiliary material tube is located at a high position near the fabric trough, and the second auxiliary material tube is located at a low position near the fabric trough. The first auxiliary material tube is connected with 40% ethanol, and the second auxiliary material tube is connected with 80% ethanol.

[0011] The gap d is 2-5mm.

[0012] Two screws are symmetrically fixed on the fabric plate, and one or two nuts are fitted on each screw. A beam frame is provided between the two screws and can be detachably fitted with it. The two ends of the beam frame are provided with mounting holes that can be movably inserted into the screws on the same side. A horizontal groove extending horizontally along the width of the guide groove is provided in the middle of the beam frame. Two horizontally protruding mounting strips are fixed on the side wall of the feeding channel. Long grooves are passed through the mounting strips. The spacing of the long grooves corresponds to the width of the horizontal groove. Double-ended bolts that pass through and fit into the two ends of the horizontal groove are provided in the long grooves.

[0013] The bottom of the crushing host is fixed to the mounting frame, and the bottom of the mounting frame is fixed with support legs. The mounting frame and the support legs constitute the general assembly frame.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] Immediately after the fruit is crushed, it is sprayed with ethanol solvent to reduce the time the fruit pieces are exposed to air. This ensures that all the pulp is in contact with the solvent for a consistent time, maintaining the stability of the raw material quality, increasing the yield, greatly reducing pulp oxidation and browning problems, and improving the quality of the extract. Attached Figure Description

[0016] Figure 1 This is an overall schematic diagram of the present invention.

[0017] Figure 2 This is a side view of the present invention.

[0018] Figure 3 This is a schematic diagram of the crushing host of this utility model.

[0019] Figure 4 This is a schematic diagram of the material feeding channel and the components below it in this utility model.

[0020] The labels shown in the attached diagram:

[0021] 1. Mounting frame; 2. Support leg; 3. Outer shell; 4. Crushing element; 5. Rotating shaft; 6. Plastic bushing; 7. Protrusion; 8. Recess; 9. Feeding channel; 10. Guide chute; 11. Feeding chute; 12. Feeding plate; 13. First auxiliary material pipe; 14. Second auxiliary material pipe; 15. Nozzle; 16. Bracket; 17. Screw; 18. Beam frame; 19. Horizontal groove; 20. Mounting strip; 21. Long groove; 22. Double-ended bolt. Detailed Implementation

[0022] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.

[0023] Example 1: Pulverizing device for plant extraction

[0024] The device includes a main assembly frame for supporting and elevating the equipment and providing a mounting platform for loading other auxiliary components.

[0025] The assembly frame adopts a four-legged frame structure, including a mounting frame 1 and four support legs 2.

[0026] The crushing host is fixedly mounted on the mounting frame 1. The crushing host is structurally an improved crushing device based on a double-roller counter-rotating design, including a housing 3. The housing 3 is a rectangular shell structure with a pillar-type design. A plastic bushing 6 is provided inside the housing 3 to prevent contact between the crushing machine and metal. Two horizontally penetrating shafts 5 run through the housing 3. The shafts 5 are rotatably mounted to the housing 3 via bearings. The two shafts 5 are arranged side-by-side. A crushing element 4, a straight cylindrical plastic component, is sleeved and fixed on each shaft 5. The crushing element 4 has a centrally located mounting sleeve that mates with the rotating shaft 5. Multiple protrusions 7 and recesses 8 are alternately arranged on the periphery of the crushing element 4. Six protrusions 7 are evenly spaced along the circumference of the crushing element 4, and the recesses 8 are positioned between the protrusions 7. The protrusions 7 are outwardly convex arc-shaped surfaces, and the recesses 8 are inwardly concave arc-shaped surfaces. The protrusions 7 and recesses 8 of two crushing elements 4 interlock, and the two rotating shafts 5 rotate in opposite directions, achieving relative interlocking and compression of the two crushing elements 4, thus rapidly compressing the blueberries. The plastic bushing 6 has an arc-shaped portion at the crushing element 4. This arc-shaped portion adapts to the cylindrical space occupied by the crushing element 4 during rotation, facilitating rotation and preventing excessive space from remaining on both sides.

[0027] One end of each of the two rotating shafts 5 is respectively equipped with a meshing first gear and a second gear. The first gear is equipped with a drive device, which can be a belt drive or a chain drive. For example, a motor can be installed at the bottom of the mounting frame 1, with a lower pulley on the motor's output shaft and an upper pulley on the first gear. A belt is wound around the lower and upper pulleys. The drive device drives the first gear to rotate, which in turn drives the second gear to rotate relative to it, thereby causing the first and second rotating shafts 5 to rotate relative to each other. This ensures that the two crushing elements 4 always maintain a relative meshing state, efficiently completing the crushing process of the blueberries.

[0028] The above-mentioned crushing host is consistent with existing (double) roller crushing equipment / roller tooth crushing equipment in terms of transmission and structure, and is not limited to the above transmission structure. Common existing double roller double shaft transmission structures can also be used. The improvement lies in the crushing element 4. This design uses a plastic crushing element 4 component to avoid browning problems caused by contact with blueberries. Based on the characteristics of blueberries, the surface of the crushing element 4 is smooth, and the two crushing elements 4 rely on the interlocking of the protrusions 7 to achieve compression. This not only achieves a thorough crushing effect and facilitates subsequent extraction, but also makes it easier to clean than the traditional "tooth" structure, avoids wasting fruit pulp, and facilitates maintenance.

[0029] The bottom of the outer casing 3 is provided with a square feeding port, and a feeding channel 9 is fixedly connected to the feeding port. The top of the feeding channel 9 is fixed to the bottom of the crushing host by a fastener. The feeding channel 9 is used to guide and protect the falling blueberry material. Below the feeding channel 9 is a guide chute 10 connected to it. The guide chute 10 is a chute structure with an inclined design. Baffles are provided on both sides of the guide chute 10. The inclination angle of the guide chute 10 is designed to be 15-30 degrees (20 degrees in this example), which can quickly guide the material downward and can cooperate with the cloth to promote the material to fall under gravity. The top of the guide trough 10 is connected to and covers the material discharge channel 9 below. The bottom side of the guide trough 10 is connected to a material distribution trough 11 that is integrally formed and corresponds to its width. The material distribution trough 11 is also provided with baffles on both sides. The inclination angle of the material distribution trough 11 is 8 degrees (slope 5–8°), which slows down the falling of the material on the material distribution trough 11. The guide trough 10 and the material distribution trough 11 are integrally formed structures, and there is a bend at the joint due to the different inclination angles of the two.

[0030] A fabric plate 12 is provided above the bottom side of the guide trough 10. The bottom side of the fabric plate 12 has a gap d with the bottom of the guide trough 10. The gap d is used to allow blueberries to pass through and ensure that the blueberries passing through are at the same height. In this example, the gap d is 3mm.

[0031] The fabric plate 12 is a ∧-shaped plate with a central bend. The tip of the bend is set near the high point of the guide trough 10. Through the ∧-shaped structure, the two sides of the fabric plate 12 are closer to the lowest edge of the guide trough 10. Combined with the blueberries sliding down based on gravity, the blueberry material that is piled up too high is dispersed to both sides.

[0032] Our system uses a roller-type crushing and extrusion structure. When the material falls, it tends to pile up higher in the center while the sides may have less. This can lead to localized excessively high concentrations during subsequent mixing. Therefore, the feeding plate 12 serves two purposes: firstly, it constrains the stacking height of the blueberries through the D-gap, and secondly, it distributes the higher-piled material to both sides, ensuring a uniform thickness of the blueberries in the flat area of ​​the feeding trough 11. Furthermore, based on the integrated structure, a vibrator is installed at the bottom of the feeding trough 11 to assist the blueberries in working with the guide plate to promote even spreading of the jam.

[0033] A vibrator is installed on the bottom surface of the fabric plate 12. The vibrator uses 20–50 Hz and 0.5–1 mm amplitude, which can quickly disperse the thin layer of fruit in 0.1–0.3 seconds to form turbulence and vertical penetration, promote the rapid mixing of ethanol and fruit, and avoid excessive local concentration and rapid water retention.

[0034] A first auxiliary material pipe 13 and a second auxiliary material pipe 14 are arranged above the material distribution trough 11. The first auxiliary material pipe 13 and the second auxiliary material pipe 14 are arranged parallel to each other and at the same distance from the material distribution trough 11. The first auxiliary material pipe 13 and the second auxiliary material pipe 14 are respectively located near the upper and lower sides of the material distribution trough 11. The first auxiliary material pipe 13 is connected to 40% ethanol, and the second auxiliary material pipe 14 is connected to 80% ethanol, so that the final concentration of added ethanol is 60%. The length direction of the first auxiliary material pipe 13 and the second auxiliary material pipe 14 is in the same direction as the width direction of the material distribution trough 11. 3-5 fan-shaped atomizing nozzles 15 (orifice diameter 0.8 mm, pressure 0.3 MPa) are installed on the first auxiliary material pipe 13 and the second auxiliary material pipe 14 respectively. The multi-point atomizing nozzles achieve uniform spraying. Combined with vibration mixing, the fruit pieces and ethanol are quickly mixed. The two dilutions can significantly reduce the single osmotic pressure impact and solve the problem of excessively high local ethanol concentration.

[0035] Based on the above structure, it is possible to immediately mix crushed blueberries with an ethanol solution, achieving rapid solution mixing and significantly improving the retention of active ingredients. Furthermore, by replacing the large-volume stirring and mixing in the extraction tank, the three "compensation mechanisms" of thin-layer spreading, multi-point atomization, and secondary dilution resolve the problem of localized high concentrations to a level equal to or even better than traditional methods. This achieves thorough and highly efficient mixing of the solution and fruit pieces, maximizing the retention of anthocyanin activity and inhibiting oxidation and enzymatic browning. Color ΔE < 1.5, anthocyanin retention rate of over 93%.

[0036] The first auxiliary material tube 13 and the two ends of the second auxiliary material are respectively fixed to the bracket 16 by clamps. The bracket 16 extends in the same direction as the fabric trough 11. The bracket 16 is located above both sides of the fabric trough 11. The top of the bracket 16 is fixed to the support leg 2 or the mounting frame 1 by fasteners (bolts and nuts).

[0037] Example 2: Pulverizing device for plant extraction

[0038] The fabric plate 12 adopts an adjustable installation position structure, specifically:

[0039] The fabric plate 12 is provided with two symmetrical fixing protrusions on the side near the fabric groove 11. A screw 17 extending vertically upward is fixed on the fixing protrusion, and one or two nuts are fitted on the screw 17.

[0040] A beam frame 18 is provided between the two screws 17 and is detachably fitted therewith. The beam frame 18 has mounting holes at both ends. The screws 17 are movably inserted into the mounting holes. The relative height of the screws 17 is limited by a nut, so that the height can be adjusted. A horizontal groove 19 extending horizontally along the width direction of the guide groove is provided in the middle of the beam frame 18. Two horizontally protruding mounting strips 20 are fixed on the side wall of the feeding channel 9. A long groove 21 passes through the mounting strip 20. The long groove 21 is correspondingly set at both ends of the horizontal groove 19. A double-headed bolt 22 passes through the long groove 21. The double-headed bolt 22 passes through one end of both the long groove 21 and the horizontal groove 19 to fix the beam frame 18 and the mounting strips 20. Based on the structure of this example, the installation distance of the fabric plate 12 relative to the feeding channel 9 can be adjusted, as can the height of the bottom gap d of the fabric plate 12. Components of other shapes or structures can be disassembled and replaced, making it flexible and convenient to use.

Claims

1. A pulverizing device for plant extraction, characterized in that, The device includes a crushing main unit, with a feeding port at its bottom. A feeding channel is fixedly connected to the feeding port, and a guide chute is connected to the feeding channel below it. The guide chute is a chute structure with a slope of 15-30 degrees. A feeding chute with a corresponding width is connected to the bottom side of the guide chute. The feeding chute is a chute structure with a slope of 5-8 degrees. A vibrator is installed on the bottom surface of the feeding chute, and an auxiliary material pipe is provided above the feeding chute. Multiple nozzles are installed on the auxiliary material pipe.

2. The pulverizing device for plant extraction according to claim 1, characterized in that, The crushing host includes a housing, inside which two parallel and oppositely rotating shafts run horizontally through. Crushing elements are sleeved and fixed on the shafts. Each crushing element is a cylindrical plastic part. The periphery of the crushing element is alternately provided with multiple protrusions and recesses. The protrusions are outwardly convex arc-shaped surfaces, and the recesses are inwardly concave arc-shaped surfaces. The protrusions and recesses of the two crushing elements interlock. A plastic bushing is provided inside the housing. The plastic bushing has an arc-shaped part at the crushing element. The arc-shaped part is adapted to the cylindrical space occupied by the crushing element when it rotates.

3. The pulverizing device for plant extraction according to claim 1, characterized in that, A fabric plate is provided above the bottom side of the material guide trough. The bottom side of the fabric plate has a gap d with the bottom of the material guide trough. The width of the fabric plate is adapted to the width of the material guide trough.

4. The pulverizing device for plant extraction according to claim 3, characterized in that, The fabric plate is a ∧-shaped plate with a central bend, and the tip of the bend is positioned high near the guide trough.

5. The pulverizing device for plant extraction according to claim 1, characterized in that, The auxiliary material tubes include a first auxiliary material tube and a second auxiliary material tube that are equidistant from each other and arranged in parallel in the fabric trough. The length direction of the first auxiliary material tube and the width direction of the fabric trough are in the same direction. Each of the first auxiliary material tube and the second auxiliary material tube is provided with 3-5 fan-shaped atomizing nozzles. The first auxiliary material tube is located at a high position near the fabric trough, and the second auxiliary material tube is located at a low position near the fabric trough. The first auxiliary material tube is connected with 40% ethanol, and the second auxiliary material tube is connected with 80% ethanol.

6. The pulverizing device for plant extraction according to claim 3, characterized in that, The gap d is 2-5mm.

7. The pulverizing device for plant extraction according to claim 4, characterized in that, Two screws are symmetrically fixed on the fabric plate, and one or two nuts are fitted on each screw. A beam frame is provided between the two screws and can be detachably fitted with it. The two ends of the beam frame are provided with mounting holes that can be movably inserted into the screws on the same side. A horizontal groove extending horizontally along the width of the guide groove is provided in the middle of the beam frame. Two horizontally protruding mounting strips are fixed on the side wall of the feeding channel. Long grooves are passed through the mounting strips. The spacing of the long grooves corresponds to the width of the horizontal groove. Double-ended bolts that pass through and fit into the two ends of the horizontal groove are provided in the long grooves.

8. The pulverizing device for plant extraction according to claim 1, characterized in that, The bottom of the crushing host is fixed to the mounting frame, and the bottom of the mounting frame is fixed with support legs. The mounting frame and the support legs constitute the general assembly frame.

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