Silybum marianum seed squeezing device convenient for solid-liquid separation
By designing a milk thistle seed extraction device with a crushing tube and an extrusion mechanism, the problems of low oil output efficiency and oil absorption by residue during the milk thistle seed pressing process are solved, and an efficient solid-liquid separation effect is achieved.
Patent Information
- Application Number
- CN202422825972.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The existing technology has the problems of low oil extraction efficiency, low degree of destruction of the whole particle structure, and easy absorption of oil by the residue during the milk thistle seed pressing process.
A milk thistle seed extraction device including a crushing tube, an extrusion mechanism and a liquid collection mechanism is used. The milk thistle seeds are crushed by a crushing motor, extruded and separated by an electric hydraulic push rod and a T-shaped pressure block, and solid-liquid separation is achieved in combination with a filter screen and a collection box.
The oil extraction efficiency is improved, the phenomenon of residue adsorbing oil is reduced, and efficient solid-liquid separation effect is achieved.
Smart Images

Figure CN223475164U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of milk thistle seed processing technology, specifically to a milk thistle seed extraction device that facilitates solid-liquid separation. Background Technology
[0002] Milk thistle is an annual or biennial herbaceous plant, used as a medicinal herb for thousands of years to protect organs such as the liver. Milk thistle seed oil, which is both medicinal and edible, can be obtained by pressing the seeds. Currently, milk thistle seeds are usually pressed whole, which causes less damage to the overall particle structure during pressing, resulting in slower oil extraction. Furthermore, after pressing, the whole milk thistle seeds tend to re-expand, making it easier for the residue to absorb the oil. Therefore, a milk thistle seed pressing device that facilitates solid-liquid separation is proposed. Utility Model Content
[0003] The purpose of this invention is to address the current problem that milk thistle seeds are usually pressed whole, which results in low damage to the overall particle structure of the seeds during the pressing process, leading to slow oil extraction. Furthermore, after pressing, whole milk thistle seeds tend to re-expand, causing the residue to easily absorb oil. This invention provides a milk thistle seed pressing device that facilitates solid-liquid separation.
[0004] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0005] A milk thistle seed extraction device for easy solid-liquid separation includes an extraction tube, a pulverizing tube connected to the upper side of the extraction tube, a primary filter screen at one end of the pulverizing tube, a pulverizing mechanism at the other end of the pulverizing tube, a feeding mechanism on the pulverizing mechanism, a drain hole on the lower side wall of the extraction tube, a residue filter screen inside the drain hole, a squeezing mechanism at one end of the extraction tube, a pressure-bearing mechanism at the other end of the extraction tube, and a liquid collection mechanism on the side wall of the extraction tube located on the side of the drain hole.
[0006] Preferably, the crushing mechanism includes a sealing cover, which is fixedly installed on the crushing tube, and a connecting shaft is rotatably installed on the sealing cover. A crushing motor is provided on the sealing cover, and one end of the output shaft of the crushing motor is fixedly installed on the connecting shaft. A connecting ring is fixedly sleeved on the side wall of the connecting shaft, and a crushing blade is provided on the connecting ring.
[0007] Preferably, the feeding mechanism includes a feeding pipe, one end of which is fixedly installed on a sealing cover and connected to a crushing pipe. The other end of the feeding pipe is fixedly installed with a feeding box, and a feeding hole is provided on the side wall of the feeding box. The other end of the feeding pipe is inserted into the feeding hole.
[0008] Preferably, the extrusion mechanism includes a sealing plate, which is fixedly installed inside the extrusion tube, and an electro-hydraulic push rod is inserted into the sealing plate. One end of the electro-hydraulic push rod is fixedly installed with an extrusion plate, and the extrusion plate is slidably disposed inside the extrusion tube.
[0009] Preferably, the pressure-bearing mechanism includes a T-shaped pressure-bearing block, which is slidably inserted into the extraction pipe, and connecting hole plates are symmetrically installed on both sides of the T-shaped pressure-bearing block. Positioning screw hole blocks are symmetrically installed on both sides of the extraction pipe, and connecting bolts are provided between the positioning screw hole blocks and the connecting hole plates.
[0010] Preferably, the liquid collection mechanism includes two support frames, which are symmetrically fixedly installed on the side wall of the extraction tube. Each support frame has a sliding groove on its side wall, in which a support slide bar is slidably installed. A liquid receiving box is fixedly installed on one side of the support slide bar.
[0011] The beneficial effects of this utility model are as follows:
[0012] 1. In this utility model, when milk thistle seeds need to be extracted, the material is fed into the crushing tube through the feeding box and feeding pipe. Then, the crushing motor is started to drive the connecting shaft and connecting ring to rotate, so that the connecting ring drives the crushing blade to crush the milk thistle seeds. Then, the particles of the appropriate size can enter the pressing tube through the primary filter screen. Then, the electric hydraulic push rod is started to drive the extrusion plate to move, so that the extrusion plate, together with the T-shaped pressure block, crushes the crushed material, resulting in higher oil extraction efficiency and saving pressing time. At the same time, the pressed oil flows out through the gap between the extrusion plate and the inner wall of the pressing tube, which can prevent solid residue from overflowing. Then, it undergoes secondary filtration through the residue filter screen in the drain hole, so that the liquid oil enters the liquid receiving tank at the bottom. This can improve the solid-liquid separation effect and prevent the residue from absorbing the oil after resetting. Attached Figure Description
[0013] Figure 1 This is a front view schematic diagram of the overall three-dimensional connection structure of this utility model;
[0014] Figure 2 This is a side view schematic diagram of the overall three-dimensional connection structure of this utility model;
[0015] Figure 3This is a partial cross-sectional three-dimensional connection structure diagram of the extraction tube in this utility model;
[0016] Figure 4 This is a schematic diagram of the three-dimensional connection structure between the crushing tube and the crushing mechanism in this utility model.
[0017] Reference numerals: 1. Extraction pipe; 2. Crushing pipe; 3. Sealing cap; 4. Crushing motor; 5. Feed pipe; 6. Feed box; 7. Feeding hole; 8. Support frame plate; 9. Sliding groove; 10. Support slide bar; 11. Liquid receiving tank; 12. Electro-hydraulic push rod; 13. Sealing plate; 14. Connecting hole plate; 15. Positioning screw hole block; 16. Connecting bolt; 17. T-shaped pressure block; 18. Extrusion plate; 19. Drain hole; 20. Residue filter screen; 21. Connecting shaft; 22. Connecting ring; 23. Crushing blade; 24. Primary filter screen. Detailed Implementation
[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0020] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0021] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0022] like Figure 1-4As shown, a milk thistle seed extraction device that facilitates solid-liquid separation includes an extraction tube 1, a crushing tube 2 connected to the upper side of the extraction tube 1, a primary filter screen 24 at one end of the crushing tube 2, and a crushing mechanism at the other end of the crushing tube 2. The crushing mechanism includes a sealing cover 3, which is fixedly installed on the crushing tube 2. A connecting shaft 21 is rotatably mounted on the sealing cover 3. A crushing motor 4 is mounted on the sealing cover 3, and one end of the output shaft of the crushing motor 4 is fixedly mounted on the connecting shaft 21. A connecting ring 22 is fixedly sleeved on the side wall of the connecting shaft 21, and a crushing blade 23 is mounted on the connecting ring 22. When the crushing motor 4 is started, it drives the connecting shaft 21 and the connecting ring 22 to rotate, causing the connecting ring 22 to drive the crushing blade 23 to crush the milk thistle seeds. Particles of the appropriate size can then pass through the primary filter screen 24 into the extraction tube 1, thereby breaking down the structure of the milk thistle seeds in advance and improving the oil extraction efficiency.
[0023] The sealing cover 3 is equipped with a feeding mechanism, which includes a feeding pipe 5. One end of the feeding pipe 5 is fixedly installed on the sealing cover 3 and is connected to the crushing pipe 2. The other end of the feeding pipe 5 is fixedly installed with a feeding box 6, and a feeding hole 7 is opened on the side wall of the feeding box 6. The other end of the feeding pipe 5 is inserted into the feeding hole 7. The feeding box 6 can maintain stable feeding while preventing material from splashing out during the crushing process.
[0024] A drain hole 19 is provided on the lower side wall of the pressing tube 1, and a residue filter screen 20 is provided inside the drain hole 19. A pressing mechanism is provided at one end of the pressing tube 1. The pressing mechanism includes a sealing plate 13, which is fixedly installed inside the pressing tube 1. An electric hydraulic push rod 12 is inserted into the sealing plate 13. A pressing plate 18 is fixedly installed at one end of the electric hydraulic push rod 12, and the pressing plate 18 is slidably disposed inside the pressing tube 1. The pressing plate 18 and the pressing tube 1 are in clearance fit. The distance between the two should be smaller than the size of the crushed milk thistle seeds, so as to facilitate solid-liquid separation. The electric hydraulic push rod 12 and the pressing plate 18 provide power for pressing.
[0025] The other end of the pressing tube 1 is provided with a pressure-bearing mechanism, which includes a T-shaped pressure-bearing block 17. The T-shaped pressure-bearing block 17 is slidably inserted into the pressing tube 1, and connecting hole plates 14 are symmetrically installed on both sides of the T-shaped pressure-bearing block 17. Positioning screw hole blocks 15 are symmetrically installed on both sides of the pressing tube 1, and connecting bolts 16 are provided between the positioning screw hole blocks 15 and the connecting hole plates 14. The pressing tube 1 can be easily opened by the T-shaped pressure-bearing block 17, and then the residue can be pushed out by the squeezing plate 18, which is convenient for cleaning the solid residue.
[0026] A liquid collection mechanism is provided on the side wall of the extraction tube 1, located on one side of the drain hole 19. The liquid collection mechanism includes two support plates 8, which are symmetrically fixed on the side wall of the extraction tube 1. Each support plate 8 has a sliding groove 9 on its side wall. A support slide bar 10 is slidably installed in the sliding groove 9. A liquid receiving box 11 is fixedly installed on one side of the support slide bar 10. By setting the sliding liquid receiving box 11, it is convenient to collect oil and reinstall it. At the same time, making the liquid receiving box 11 and the support plate 8 as a whole can improve the stability of the device.
[0027] In summary: During the extraction of milk thistle seeds, the seeds are fed into the crushing tube 2 through the feed box 6 and feed pipe 5. Then, the crushing motor 4 is started, driving the connecting shaft 21 and connecting ring 22 to rotate. This causes the connecting ring 22 to drive the crushing blade 23 to crush the milk thistle seeds. The particles of the appropriate size then pass through the primary filter screen 24 during the agitation process and enter the extraction tube 1. Then, the electric hydraulic push rod 12 is started, driving the extrusion plate 18 to move, so that the extrusion plate 18 cooperates with the T-shaped... The pressure block 17 crushes the milk thistle seeds, and the liquid oil produced by pressing flows out through the gap between the extrusion plate 18 and the inner wall of the extraction tube 1. The liquid oil is filtered a second time through the residue filter screen 20 in the drain hole 19, so that the liquid oil enters the liquid collection box 11 at the bottom. Then, the liquid collection box 11 is pulled out to collect the liquid oil. Then, the T-shaped pressure block 17 on one side is opened, and the electric hydraulic push rod 12 is controlled to drive the extrusion plate 18 to push the solid residue out of the extraction tube 1.
[0028] The foregoing description enables those skilled in the art to implement or use this invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this invention. Therefore, this invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A device for extracting milk thistle seeds that facilitates solid-liquid separation, characterized in that, The device includes an extraction tube (1), a crushing tube (2) is provided on the upper side of the extraction tube (1), and the crushing tube (2) is connected to the extraction tube (1). One end of the crushing tube (2) is provided with a primary filter screen (24), and the other end of the crushing tube (2) is provided with a crushing mechanism, and the crushing mechanism is provided with a feeding mechanism. A drain hole (19) is opened on the lower side wall of the extraction tube (1), and a residue filter screen (20) is provided in the drain hole (19). One end of the extraction tube (1) is provided with a squeezing mechanism, and the other end of the extraction tube (1) is provided with a pressure bearing mechanism. A liquid collection mechanism is provided on the side wall of the extraction tube (1) on the side of the drain hole (19).
2. The milk thistle seed extraction device according to claim 1, which facilitates solid-liquid separation, is characterized in that... The crushing mechanism includes a sealing cover (3), which is fixedly installed on the crushing tube (2). A connecting shaft (21) is rotatably installed on the sealing cover (3). A crushing motor (4) is provided on the sealing cover (3), and one end of the output shaft of the crushing motor (4) is fixedly installed on the connecting shaft (21). A connecting ring (22) is fixedly sleeved on the side wall of the connecting shaft (21), and a crushing blade (23) is provided on the connecting ring (22).
3. The milk thistle seed extraction device according to claim 2, characterized in that, The feeding mechanism includes a feeding pipe (5), one end of which is fixedly installed on the sealing cover (3) and connected to the crushing pipe (2). The other end of the feeding pipe (5) is fixedly installed with a feeding box (6), and a feeding hole (7) is provided on the side wall of the feeding box (6). The other end of the feeding pipe (5) is inserted into the feeding hole (7).
4. The milk thistle seed extraction device according to claim 1, characterized in that, The extrusion mechanism includes a sealing plate (13), which is fixedly installed inside the extrusion tube (1). An electric hydraulic push rod (12) is inserted into the sealing plate (13). An extrusion plate (18) is fixedly installed at one end of the electric hydraulic push rod (12), and the extrusion plate (18) is slidably disposed inside the extrusion tube (1).
5. The milk thistle seed extraction device according to claim 1, characterized in that, The pressure-bearing mechanism includes a T-shaped pressure-bearing block (17), which is slidably inserted into the extraction pipe (1). Connecting hole plates (14) are symmetrically installed on both sides of the T-shaped pressure-bearing block (17). Positioning screw hole blocks (15) are symmetrically installed on both sides of the extraction pipe (1), and connecting bolts (16) are provided between the positioning screw hole blocks (15) and the connecting hole plates (14).
6. The milk thistle seed extraction device according to claim 1, which facilitates solid-liquid separation, is characterized in that... The liquid collection mechanism includes two support plates (8), which are symmetrically fixed on the side wall of the extraction pipe (1). Each support plate (8) has a sliding groove (9) on its side wall. A support slide (10) is slidably installed in the sliding groove (9), and a liquid receiving box (11) is fixedly installed on one side of the support slide (10).