Wormwood essential oil squeezing and extracting device
By using a combined design of pressing cylinder, mounting plate, matching plate and drive device in the mugwort essential oil pressing and extraction device, the one-way valve and negative pressure structure are used to achieve one-way outflow of juice, and the rotating structure provides rubbing force, which solves the problem of The problem of juice adhesion improves the extraction efficiency.
Patent Information
- Application Number
- CN202420537858.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-19
AI Technical Summary
In existing mugwort essential oil pressing extraction devices, the juice may drip and adhere to the mugwort leaf residue again, affecting the extraction efficiency.
A device including a pressing cylinder, mounting plate, mating plate and driving device is designed. Through the design of a liquid outlet hole and a temporary storage chamber, a one-way valve and a negative pressure structure are used to achieve one-way outflow of juice, and provided by a rotary structure. Rub the force to ensure effective extraction of juice and separation of slags.
The squeezed juice and slag are effectively separated, improving the extraction efficiency of mugwort essential oil.
Smart Images

Figure CN222205156U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wormwood essential oil production, in particular to a wormwood essential oil squeezing and extraction device. Background Art
[0002] Wormwood essential oil is a volatile aromatic substance extracted from the leaves and stems of wormwood by squeezing and solvent extraction. It is generally light yellow or greenish yellow. It is extracted and refined from natural wormwood leaves. It is light yellow or greenish yellow in appearance and has good effects of warming the meridians and dredge the collaterals, invigorating qi and activating blood circulation, dispelling cold and relieving pain, improving local circulation, and increasing immunity.
[0003] In the prior art, such as the Chinese patent with announcement number CN213060779U, entitled A device for squeezing and extracting wormwood essential oil, the disclosed technical solution records that by designing spiral blades to push fresh wormwood leaves to a conical squeezing tube for squeezing, the juice inside the wormwood leaves is squeezed out, so that the juice containing the essential oil drips onto the filter plate at the bottom of the pressing box, is filtered and then enters the water storage tank, and is pumped into the distillation tank by a water pump for distillation. At the same time, the wormwood residue containing some essential oil is pushed from the tip of the conical squeezing tube to the friction plate for friction and dispersion, and the dispersed residue falls to the stirring rod at the bottom of the pressing box for flipping and steam distillation, which makes the juice squeezed out by the conical squeezing tube likely to drip and adhere to the wormwood residue again, thereby affecting the extraction efficiency of the wormwood essential oil. Utility Model Content
[0004] The utility model provides a device for squeezing and extracting wormwood essential oil to solve the above problems.
[0005] The utility model adopts the following technical scheme: a wormwood essential oil squeezing and extraction device, comprising a bracket; the bracket is arranged in front and behind; a squeezing device is arranged on the bracket; the squeezing device comprises a squeezing cylinder, a mounting plate, and a matching plate;
[0006] The axis of the pressing cylinder is arranged front and rear and fixed on the bracket; a feed port is arranged at the rear end of the pressing cylinder; the feed port is arranged at the upper end of the pressing cylinder; a plurality of liquid outlet holes are distributed in an annular manner at the front end of the pressing cylinder; a temporary storage ring is arranged outside the liquid outlet hole; the temporary storage ring is coaxially fixed to the front end of the pressing cylinder; the temporary storage ring is hollow inside and is arranged as a temporary storage cavity; the temporary storage cavity is connected to the pressing cylinder through the liquid outlet hole; a liquid outlet pipe is connected to the lower end of the temporary storage cavity; a one-way valve is arranged on the liquid outlet pipe; the one-way valve is used to make the juice in the temporary storage cavity flow out of the temporary storage cavity in one direction; the lower end of the liquid outlet pipe is connected to a distillation box;
[0007] The mounting plate is coaxially arranged at the rear end of the feed port and is arranged in the pressing cylinder to move forward and backward; a pressing plate is coaxially and rotatably mounted at the front end of the mounting plate; a driving device is arranged at the rear end of the pressing plate; the driving device is used to drive the pressing plate forward through the mounting plate to push the mugwort leaves to the front end of the pressing cylinder;
[0008] The matching plate and the pressing cylinder are coaxially arranged and arranged at the front end of the pressing cylinder; the matching plate and the pressing cylinder are slidably matched and are installed on the bracket by a hydraulic cylinder to move forward and backward; a slag collecting box is provided at the front side of the pressing cylinder; a steam generator is provided at the bottom of the slag collecting box. When the mugwort essential oil is squeezed and extracted, the driving device drives the pressing plate forward through the mounting plate to push the mugwort leaves to the front end of the pressing cylinder, and the pressing plate and the matching plate cooperate to squeeze the mugwort leaves to extract juice, and the juice enters the temporary storage chamber through the liquid outlet, and enters the distillation box through the temporary storage chamber for further processing. After the squeezing is completed, the hydraulic cylinder drives the matching plate forward, and the driving device drives the pressing plate to continue to move forward, pushing the slag out of the pressing cylinder, and dropping it into the slag collecting box for distillation processing, so as to separate the squeezed juice and the slag, and ensure the efficiency of squeezing and extracting the mugwort essential oil.
[0009] Furthermore, the driving device includes a driving cylinder, a fixing cylinder, and a negative pressure structure;
[0010] The driving cylinder is coaxially fixed to the rear end of the mounting plate; the inner wall of the driving cylinder is provided with threads;
[0011] The fixed cylinder is coaxially sleeved on the outside of the driving column and fixed to the rear end of the squeezing cylinder; the driving column is rotatably mounted on the axis of the rear end of the fixed cylinder; the driving cylinder and the driving column are threadedly matched; the fixed cylinder and the mounting plate are slidably matched front and back; the rear end of the fixed cylinder is sealed; the rear end of the driving column is connected to a motor;
[0012] The negative pressure structure is used to provide negative pressure for the temporary storage box when the pressing disc squeezes the mugwort leaves, thereby promoting the juice to flow into the temporary storage cavity.
[0013] Furthermore, the negative pressure structure includes a baffle and a negative pressure pipe; the baffle is adapted to the pressing cylinder; the baffle is in an arc shape and is fixed to the rear end of the mounting plate through a connecting plate;
[0014] The front end of the negative pressure tube is connected to the temporary storage chamber, and the rear end is connected to the rear end of the fixed cylinder and is connected to the fixed cylinder. The driving column rotates to drive the driving cylinder to drive the mounting plate forward, and the mounting plate drives the pressing plate forward. When the pressing plate pushes the mugwort leaves to the liquid outlet, the baffle blocks the feed port, so that a closed space is formed in the fixed cylinder, and the pressing plate continues to move forward, thereby sucking the air in the temporary storage chamber into the fixed cylinder through the negative pressure tube, thereby promoting the juice to flow into the temporary storage chamber.
[0015] Furthermore, a rotating structure is provided between the pressing plate and the pressing cylinder; the rotating structure is used to drive the pressing plate to rotate when the pressing plate moves to a preset position, so as to provide a rotational rubbing force to the mugwort leaves, which is conducive to squeezing out the mugwort juice.
[0016] Furthermore, the rotating structure includes a sliding protrusion and a sliding groove; the sliding protrusion is arranged on the side wall of the pressing plate; the sliding groove is arranged on the inner side wall of the pressing cylinder; the sliding groove includes a horizontal section and a spiral section; the horizontal section is arranged at the rear end of the spiral section; the sliding groove and the sliding protrusion are slidably matched. When the pressing plate moves forward, when the sliding protrusion slides on the horizontal section, the pressing plate moves forward quickly to concentrate the wormwood leaves, and when the sliding protrusion slides on the spiral section, the pressing plate is driven to rotate while moving forward, providing a rotational kneading force to the wormwood leaves, which is conducive to squeezing out the wormwood leaf juice.
[0017] Furthermore, a baffle is connected to the lower end of the matching plate, and the baffle is adapted to the entrance of the slag collecting box. When squeezing wormwood leaves, the hydraulic cylinder drives the matching plate to extend into the front end of the squeezing cylinder, driving the baffle to block the entrance of the slag collecting box, which is conducive to the distillation of the crushed slag.
[0018] Furthermore, the pressing disc is a cone with the small end facing forward, and a conical groove is provided at the rear end of the mating disc to facilitate the pressing of the mugwort leaves.
[0019] Furthermore, a kneading cam is fixed on the front end surface of the pressing disc to provide a larger kneading force for the mugwort leaves when the pressing disc rotates.
[0020] The beneficial effect of the utility model is that when the mugwort essential oil is squeezed and extracted, the driving device drives the pressing plate forward through the mounting plate to push the mugwort leaves to the front end of the pressing cylinder, and the pressing plate and the matching plate cooperate to squeeze out juice from the mugwort leaves. The juice enters the temporary storage chamber through the liquid outlet, and enters the distillation box through the temporary storage chamber for further processing. After the squeezing is completed, the hydraulic cylinder drives the matching plate forward, and the driving device drives the pressing plate to continue to move forward, pushing the debris out of the pressing cylinder and dropping it into the debris collecting box for distillation processing, thereby realizing the separation of the squeezed juice and the debris, and ensuring the efficiency of squeezing and extraction of the mugwort essential oil.
[0021] Furthermore, when the pressing plate moves forward, the sliding protrusion slides in the horizontal section, causing the pressing plate to move forward quickly to concentrate the mugwort leaves. When the sliding protrusion slides in the spiral section, it drives the pressing plate to move forward and rotate at the same time, providing a rotational rubbing force to the mugwort leaves, which is conducive to squeezing out the mugwort leaf juice. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0023] Figure 1 This is a structural schematic diagram of an embodiment of a wormwood essential oil squeezing and extraction device of the utility model;
[0024] Figure 2A cross-sectional view of an embodiment of the utility model;
[0025] Figure 3 A schematic diagram of a pressing cylinder according to an embodiment of the utility model;
[0026] Figure 4 A cross-sectional view of a pressing cylinder according to an embodiment of the utility model;
[0027] Figure 5 It is a schematic diagram of the mounting plate, the pressing plate and the baffle plate of the embodiment of the utility model;
[0028] Figure 6 A schematic diagram of the mounting plate, the pressing plate and the baffle plate of an embodiment of the utility model from another angle;
[0029] Figure 7 It is a schematic diagram of a fixing cylinder according to an embodiment of the utility model.
[0030] In the figure: 100, pressing cylinder; 110, feed inlet; 120, liquid outlet; 200, temporary storage ring; 210, liquid outlet pipe; 220, distillation box; 230, slag collecting box; 300, mounting plate; 310, pressing plate; 311, kneading cam; 400, matching plate; 410, blocking cover; 500, driving device; 510, driving cylinder; 520, fixing cylinder; 530, driving column; 600, negative pressure structure; 610, baffle; 620, negative pressure tube; 710, sliding cam; 720, slide groove. DETAILED DESCRIPTION
[0031] The embodiments of the utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and should not be construed as limiting the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the utility model.
[0032] The features of the terms "first" and "second" in the specification and claims of the utility model may explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "plurality" is two or more.
[0033] In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0035] An embodiment of a wormwood essential oil squeezing and extraction device of the utility model is as follows Figures 1 to 7 As shown: a mugwort essential oil pressing and extraction device, comprising a bracket; the bracket is arranged in front and behind; a pressing device is arranged on the bracket; the pressing device comprises a pressing cylinder 100, a mounting plate 300, and a matching plate 400;
[0036] The pressing cylinder 100 is fixed on the bracket in a front-to-back arrangement along the axis; a feed port 110 is provided at the rear end of the pressing cylinder 100; the feed port 110 is provided at the upper end of the pressing cylinder 100; a plurality of liquid outlet holes 120 are distributed in an annular manner at the front end of the pressing cylinder 100; a temporary storage ring 200 is provided outside the liquid outlet hole 120; the temporary storage ring 200 is coaxially fixed to the front end of the pressing cylinder 100; the temporary storage ring 200 is hollow inside and is provided as a temporary storage cavity; the temporary storage cavity is connected to the pressing cylinder 100 through the liquid outlet hole 120; a liquid outlet pipe 210 is connected to the lower end of the temporary storage cavity; a one-way valve is provided on the liquid outlet pipe 210; the one-way valve is used to make the juice in the temporary storage cavity flow out of the temporary storage cavity in one direction; the lower end of the liquid outlet pipe 210 is connected to a distillation box 220;
[0037] The mounting disk 300 is coaxially arranged at the rear end of the feed port 110, and is arranged in the pressing cylinder 100 for forward and backward movement; the pressing disk 310 is coaxially rotatably installed at the front end of the mounting disk 300; a driving device 500 is arranged at the rear end of the pressing disk 310; the driving device 500 is used to drive the pressing disk 310 forward through the mounting disk 300 to push the mugwort leaves to the front end of the pressing cylinder 100; the driving device 500 includes a driving cylinder 510, a fixed cylinder 520, and a negative pressure structure 600; the driving cylinder 510 is coaxially fixed to the rear end of the mounting disk 300; the inner wall of the driving cylinder 510 is provided with a thread; the fixed cylinder 520 is coaxially sleeved on the outside of the driving column 530, and is fixed to the rear end of the pressing cylinder 100; the driving column 530 is rotatably installed at the axis of the rear end of the fixed cylinder 520; the driving cylinder 510 and the driving column 530 are threadedly matched; the fixed cylinder 520 and the mounting disk 300 are slidably matched front and back; the rear end of the fixed cylinder 520 is sealed; the rear end of the driving column 530 is connected to a motor;
[0038] The negative pressure structure 600 is used to provide negative pressure for the temporary storage box when the pressing disc 310 presses the mugwort leaves, so as to promote the juice to flow into the temporary storage cavity. The negative pressure structure 600 includes a baffle 610 and a negative pressure tube 620; the baffle 610 is adapted to the pressing cylinder 100; the baffle 610 is in an arc shape and is fixed to the rear end of the mounting disc 300 through a connecting plate; the front end of the negative pressure tube 620 is connected to the temporary storage cavity, and the rear end is connected to the rear end of the fixing cylinder 520 and is connected to the fixing cylinder 520. The driving column 530 rotates to drive the driving cylinder 510 to drive the mounting disc 300 forward, and the mounting disc 300 drives the pressing disc 310 forward. When the pressing disc 310 pushes the mugwort leaves to the liquid outlet 120, the baffle 610 blocks the feed port 110, so that a closed space is formed in the fixed cylinder 520. The pressing disc 310 continues to move forward, thereby sucking the air in the temporary storage chamber into the fixed cylinder 520 through the negative pressure tube 620, thereby promoting the juice to flow into the temporary storage chamber.
[0039] The matching disc 400 is coaxially arranged with the pressing cylinder 100 and is arranged at the front end of the pressing cylinder 100; the matching disc 400 and the pressing cylinder 100 are slidably matched and are installed on the bracket by the hydraulic cylinder to move forward and backward; a slag collecting box 230 is arranged at the front side of the pressing cylinder 100; a steam generator is arranged at the bottom of the slag collecting box 230. A baffle 410 is connected to the lower end of the matching disc 400; the baffle 410 is adapted to the entrance of the slag collecting box 230. When squeezing wormwood leaves, the hydraulic cylinder drives the matching disc 400 to extend into the front end of the pressing cylinder 100, driving the baffle 410 to block the entrance of the slag collecting box 230, which is conducive to the distillation of the broken slag. When the mugwort essential oil is squeezed and extracted, the driving device 500 drives the pressing plate 310 forward through the mounting plate 300 to push the mugwort leaves to the front end of the pressing cylinder 100. The pressing plate 310 and the matching plate 400 cooperate to squeeze out juice from the mugwort leaves. The juice enters the temporary storage chamber through the liquid outlet 120, and then enters the distillation box 220 through the temporary storage chamber for further processing. After the squeezing is completed, the hydraulic cylinder drives the matching plate forward, and the driving device 500 drives the pressing plate 310 to continue moving forward, pushing the debris out of the pressing cylinder 100 and dropping it into the residue collecting box 230 for distillation treatment, thereby separating the squeezed juice and the debris, thereby ensuring the efficiency of squeezing and extracting the mugwort essential oil.
[0040] A rotating structure is provided between the pressing disc 310 and the pressing cylinder 100; the rotating structure is used to drive the pressing disc 310 to rotate when the pressing disc 310 advances to a preset position, so as to provide a rotating rubbing force to the mugwort, which is conducive to squeezing out the mugwort juice. The rotating structure includes a sliding protrusion 710 and a sliding groove 720; the sliding protrusion 710 is provided on the side wall of the pressing disc 310; the sliding groove 720 is provided on the inner side wall of the pressing cylinder 100; the sliding groove 720 includes a horizontal section and a spiral section; the horizontal section is provided at the rear end of the spiral section; the sliding groove 720 and the sliding protrusion 710 are slidably matched. When the pressing disc 310 advances, when the sliding protrusion 710 slides in the horizontal section, the pressing disc 310 is quickly advanced to concentrate the mugwort, and when the sliding protrusion 710 slides in the spiral section, the pressing disc 310 is driven to rotate while advancing, providing a rotating rubbing force to the mugwort, which is conducive to squeezing out the mugwort juice.
[0041] In this embodiment, the pressing disc 310 is a cone with the small end facing forward; the rear end of the mating disc 400 is provided with a cone-shaped groove to facilitate the pressing of the mugwort leaves. A kneading protrusion 311 is fixed on the front end surface of the pressing disc 310 to provide a greater kneading force for the mugwort leaves when the pressing disc 310 rotates.
[0042] In combination with the above embodiments, the use principle and working process of the utility model are as follows: when the mugwort essential oil is squeezed and extracted, the driving column 530 rotates to drive the driving cylinder 510 to drive the mounting plate 300 forward, and the mounting plate 300 drives the pressing plate 310 forward, and the pressing plate 310 is driven forward by the mounting plate 300 to push the mugwort leaves to the front end of the pressing cylinder 100, and the pressing plate 310 and the matching plate 400 cooperate to squeeze out the juice from the mugwort leaves, and the juice enters the temporary storage chamber through the liquid outlet 120, and enters the distillation box 220 through the temporary storage chamber for further processing. After the squeezing is completed, the hydraulic cylinder drives the matching plate forward, and the driving device 500 drives the pressing plate 310 to continue to move forward, pushing the debris out of the pressing cylinder 100, and dropping it into the slag collecting box 230 for distillation treatment, so as to separate the squeezed juice and the debris, and ensure the efficiency of squeezing and extraction of mugwort essential oil.
[0043] When the pressing plate 310 moves forward, the sliding protrusion 710 slides in the horizontal section, causing the pressing plate 310 to move forward quickly to concentrate the mugwort leaves. When the sliding protrusion 710 slides in the spiral section, it drives the pressing plate 310 to move forward and rotate at the same time, providing a rotational rubbing force to the mugwort leaves, which is conducive to squeezing out the mugwort leaf juice.
[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A wormwood essential oil squeezing and extraction device, characterized in that: The device comprises a bracket; the bracket is arranged at the front and rear; a pressing device is arranged on the bracket; the pressing device comprises a pressing cylinder (100), a mounting plate (300), and a matching plate (400); The axis of the pressing cylinder (100) is arranged front and rear and fixed on a bracket; a feed port (110) is arranged at the rear end of the pressing cylinder (100); the feed port (110) is arranged at the upper end of the pressing cylinder (100); a plurality of liquid outlet holes (120) are distributed in an annular manner at the front end of the pressing cylinder (100); a temporary storage ring (200) is arranged outside the liquid outlet hole (120); the temporary storage ring (200) is coaxially fixed to the front end of the pressing cylinder (100); the interior of the temporary storage ring (200) is hollow and arranged as a temporary storage cavity; the temporary storage cavity is connected to the pressing cylinder (100) through the liquid outlet hole (120); a liquid outlet pipe (210) is connected to the lower end of the temporary storage cavity; a one-way valve is arranged on the liquid outlet pipe (210); and a distillation box (220) is connected to the lower end of the liquid outlet pipe (210); The mounting plate (300) is coaxially arranged at the rear end of the feed port (110) and is arranged in the pressing cylinder (100) so as to be movable forward and backward; a pressing plate (310) is coaxially and rotatably mounted at the front end of the mounting plate (300); a driving device (500) is arranged at the rear end of the pressing plate (310); the driving device (500) is used to drive the pressing plate (310) forward through the mounting plate (300) so as to push the mugwort leaves to the front end of the pressing cylinder (100); The matching disc (400) is coaxially arranged with the pressing cylinder (100) and is arranged at the front end of the pressing cylinder (100); The matching plate (400) and the pressing cylinder (100) are slidably matched and are installed on the bracket to move forward and backward through a hydraulic cylinder; a slag collecting box (230) is provided on the front side of the pressing cylinder (100); and a steam generator is provided at the bottom of the slag collecting box (230).
2. The wormwood essential oil squeezing and extraction device according to claim 1, characterized in that: The driving device (500) comprises a driving cylinder (510), a fixing cylinder (520), and a negative pressure structure (600); The driving cylinder (510) is coaxially fixed to the rear end of the mounting plate (300); the inner wall of the driving cylinder (510) is provided with threads; The fixed cylinder (520) is coaxially sleeved on the outside of the driving column (530) and fixed to the rear end of the squeezing cylinder (100); the driving column (530) is rotatably mounted on the axis of the rear end of the fixed cylinder (520); the driving cylinder (510) and the driving column (530) are threadedly matched; the fixed cylinder (520) and the mounting plate (300) are slidably matched frontward and rearward; the rear end of the fixed cylinder (520) is sealed; The negative pressure structure (600) is used to provide negative pressure for the temporary storage box when the pressing plate (310) presses the mugwort leaves, thereby promoting the juice to flow into the temporary storage cavity.
3. The wormwood essential oil squeezing and extraction device according to claim 2, characterized in that: The negative pressure structure (600) comprises a baffle (610) and a negative pressure tube (620); the baffle (610) is adapted to the pressing cylinder (100); the baffle (610) is in an arc shape and is fixed to the rear end of the mounting plate (300) through a connecting plate; The front end of the negative pressure tube (620) is communicated with the temporary storage chamber, and the rear end is connected to the rear end of the fixed cylinder (520) and communicated with the fixed cylinder (520).
4. A wormwood essential oil squeezing and extraction device according to any one of claims 1 to 3, characterized in that: A rotating structure is provided between the pressing plate (310) and the pressing cylinder (100); the rotating structure is used to drive the pressing plate (310) to rotate when the pressing plate (310) moves forward to a preset position, so as to provide a rotating rubbing force to the mugwort leaves, which is conducive to squeezing out the mugwort leaf juice.
5. The wormwood essential oil squeezing and extraction device according to claim 4, characterized in that: The rotating structure comprises a sliding protrusion (710) and a sliding groove (720); the sliding protrusion (710) is arranged on the side wall of the pressing plate (310); the sliding groove (720) is arranged on the inner wall of the pressing cylinder (100); the sliding groove (720) comprises a horizontal section and a spiral section; the horizontal section is arranged at the rear end of the spiral section; the sliding groove (720) and the sliding protrusion (710) are slidably matched.
6. The wormwood essential oil squeezing and extraction device according to claim 5, characterized in that: A blocking cover (410) is connected to the lower end of the matching plate (400); the blocking cover (410) is matched with the inlet of the slag collecting box (230).
7. The wormwood essential oil squeezing and extraction device according to claim 6, characterized in that: The pressing disc (310) is in a conical shape with the small end facing forward; the matching disc (400) is provided with a conical groove at the rear end.
8. The wormwood essential oil squeezing and extraction device according to claim 7, characterized in that: A kneading convex (311) is fixed on the front end surface of the pressing disc (310).
