Cosmetic plant essential oil extraction equipment and method

Abstract

The invention belongs to the field of cosmetic production, and particularly discloses cosmetic plant essential oil extraction equipment, which comprises a distillation retort, a condensation tank, a steam pipe and a bottom plate, the distillation retort and the condensation tank are both fixed on the bottom plate, one end of the steam pipe is communicated with the top of the distillation retort, and the other end of the steam pipe is communicated with the condensation tank; a heating assembly used for heating internal water is arranged at the bottom in the shell, a raw material tank immersed in the water and an extrusion assembly used for rotationally extruding plant raw materials placed in the raw material tank are arranged in the shell, and the extrusion assembly comprises an air cylinder, a transmission rod and an extrusion plate structure; the extrusion plate structure is arranged in the raw material tank and driven by the transmission rod to move upwards in the axial direction, and the lower end of the transmission rod is in transmission connection with the raw material tank. The extrusion assembly can axially extrude the plant raw materials in the raw material tank, the whole raw material tank can be driven to rotate around the center shaft in the extrusion movement process, and aromatic substances in the plant raw materials can be separated from the surfaces of the plant raw materials.

Description

Technical Field

[0001] The invention belongs to the field of cosmetic production, and in particular relates to a cosmetic plant essential oil extraction device and a cosmetic plant essential oil extraction method. Background Art

[0002] Plant essential oils are extracted from plant-specific aromatic substances, taken from the flowers, leaves, roots, bark, fruits, seeds, resins, etc. of herbal plants, and refined by distillation and pressing. Due to the high volatility and small molecules of aromatherapy essential oils, they are easily absorbed by the human body and can quickly penetrate the human organs and excrete excess ingredients. The whole process only takes a few minutes, and the fragrance of the plant itself directly stimulates the pituitary gland to secrete enzymes and hormones, etc., to balance the body's functions and play a role in beauty and skin care. Therefore, plant essential oils are one of the important materials for cosmetics.

[0003] When extracting plant essential oils by distillation, a distillation tank, a condenser, an oil-water separator and multiple pipelines are required. The plant raw materials are put into the distillation tank, water is added to the distillation tank, and the water in the distillation tank is heated to generate steam. The aromatic substances in the plant raw materials enter the condenser along the pipeline along with the steam. The steam is cooled by the condenser to form an oil-water mixture. The oil and water are separated by the oil-water separator to obtain the plant essential oil.

[0004] A cosmetic plant essential oil extraction device and extraction method disclosed in a Chinese patent (publication number: CN116814335A) include a frame, a distillation tank, a condenser, an oil-water separator and a crushing box are arranged on the frame, the distillation tank, the condenser and the oil-water separator are connected in sequence through pipelines, a through hole is opened on the distillation tank, the crushing box and the through hole are connected through a connecting pipe, a sealing plate for intermittently blocking or unblocking the through hole is slidably installed in the distillation tank, a mesh plate and an electric heating rod distributed up and down are installed in the distillation tank, a rotating frame is rotatably installed on the top of the distillation tank, a plurality of first stirring rods are arranged in a ring array on the rotating frame, a positioning shaft coaxial with the rotating frame is penetrated and installed on the distillation tank, a fixing rod is sleeved on the positioning shaft, a second stirring rod is rotatably arranged on the fixing rod, and the rotating frame and the second stirring rod are driven to rotate by the same driving mechanism, so that when the rotating frame and the second stirring rod rotate around their own axes, the second stirring rod revolves around the positioning shaft. During the continuous distillation process, plant materials are added intermittently, and the first stirring rod and the second stirring rod are continuously rotated to disperse the plant materials, so that the steam can fully contact the plant materials, shorten the time required for distillation and extraction of plant essential oils, and improve the distillation efficiency, distillation effect and extraction efficiency.

[0005] This patent feeds the plant raw materials into a distillation tank, and disperses the raw materials in the internal water through the first stirring rod and the second stirring rod. It takes a long time for the plant raw materials to contact, infiltrate, and diffuse with the internal water, and a long waiting time is required to allow the aromatic substances to overflow, which is time-consuming and reduces the distillation efficiency. Therefore, it is necessary to improve the existing plant essential oil extraction equipment and methods. Summary of the invention

[0006] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0007] To solve the above problems, the present invention adopts the following technical solutions.

[0008] A cosmetic plant essential oil extraction device comprises a distillation tank, a condensation tank, a steam pipe and a bottom plate, wherein the distillation tank and the condensation tank are both fixed on the bottom plate, one end of the steam pipe is connected to the top of the distillation tank, and the other end of the steam pipe is connected to the condensation tank; the distillation tank has an outer shell with a sealing structure, a heating component for heating internal water is arranged at the bottom of the outer shell, a raw material tank immersed in water and an extrusion component for rotating and extruding plant raw materials placed in the raw material tank are arranged in the outer shell, the extrusion component comprises a cylinder, a transmission rod and an extrusion plate structure, the transmission rod is fixedly connected to the output shaft of the cylinder, the extrusion plate structure is arranged in the raw material tank and is driven by the transmission rod to move upward along the axis, the lower end of the transmission rod is transmission-connected to the raw material tank, so that the transmission rod pushes the raw material tank to rotate around the central axis when moving upward along the axis, and is used for horizontally extruding the extruded plant raw materials.

[0009] Preferably, the raw material tank is provided with a tank body for containing the plant raw materials, a filter screen is embedded in the bottom of the tank body, and the extrusion plate structure is coaxially arranged inside the tank body. The extrusion plate structure squeezes the plant raw materials placed at the bottom of the tank body so that the aromatic substances diffuse from the filter screen at the bottom into the surrounding water.

[0010] Preferably, the extrusion plate structure includes an extrusion plate, the outer diameter of the extrusion plate is equal to the inner diameter of the tank body so that the edge of the extrusion plate moves along the inner wall of the tank body, and a plurality of through holes are opened in the extrusion plate extending from top to bottom. The extrusion plate moves downward to squeeze the plant material in the tank body so that the internal water flow can flow upward.

[0011] Preferably, the top of the extrusion disk is covered with a sealing gasket made of rubber, and the center position of the sealing gasket is fixed at the center position of the extrusion disk. When the extrusion disk moves upward, the sealing gasket is attached to the top of the extrusion disk to seal the through hole. When the extrusion disk moves downward, the sealing gasket is detached from the top of the extrusion disk to make the through hole conductive.

[0012] Preferably, the lower end of the transmission rod passes through the bottom of the tank body, the lower end of the transmission rod is connected to the tank body through a pushing mechanism, and the transmission rod moves in the axial direction to drive the tank body to rotate around the central axis.

[0013] Preferably, an annular support seat is coaxially fixed to the outer wall of the tank body, an annular support frame with the same size as the annular support seat is fixed inside the outer shell, the bottom of the tank body passes through the inside of the annular support frame so that the annular support seat is arranged above the annular support frame, and the annular support seat is rotatably connected to the annular support frame.

[0014] Preferably, the pushing mechanism includes a rotating disk located directly below the tank body and rotating push rods evenly distributed on the circumference of the rotating disk, a threaded hole is opened in the center of the rotating disk, a transmission rod passes through the threaded hole, and an external thread matching the thread of the threaded hole is opened on the transmission rod; a pushing block corresponding to the rotating push rod is fixed on the bottom of the tank body, and when the rotating push rod rotates around the central axis with the rotating disk, it abuts against the side wall of the pushing block to push the tank body to rotate around the central axis.

[0015] Preferably, the lower ends of the plurality of pushing blocks are fixedly connected to the same limiting ring, and when the transmission rod moves upward, the limiting ring contacts the rotating push rod to limit the axial position of the tank body.

[0016] Preferably, the rotating disk is arranged on the top of the rotating support seat, and the rotating disk is rotatably connected to the rotating support seat through a bearing, the rotating support seat is fixed to the bottom of the shell, and the heating component is arranged around the outer side of the rotating support seat.

[0017] A method for extracting cosmetic plant essential oils comprises the following steps:

[0018] S1: Put the plant raw materials into the raw material tank, and fill the distillation tank with clean water that covers the raw material tank;

[0019] S2: Start the cylinder of the extrusion assembly, the cylinder drives the transmission rod to move in the axial direction, so that the extrusion plate structure moves back and forth in the axial direction. When the extrusion plate structure moves toward the bottom of the raw material tank, the plant raw materials placed inside are squeezed. At the same time, the moving transmission rod pushes the raw material tank to rotate around the central axis, so that the plant raw materials inside are squeezed in the horizontal and vertical directions at the same time. The aromatic substances produced by squeezing the plant raw materials are diffused into the surrounding water. When the extrusion plate structure moves toward the bottom of the raw material tank, the water outside the raw material tank is sucked into the raw material tank, so that the squeezed plant raw materials are turned over, and the squeezed aromatic substances can also quickly separate from the plant raw materials. The extrusion plate structure moves back and forth in a cycle;

[0020] S3: The heating component at the bottom of the distillation tank heats the water inside to form water vapor. The steam carrying aromatic substances is sent to the condensation tank through the steam pipe, where it condenses to form an oil-water mixture.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] (1) The extrusion assembly can axially extrudes the plant raw material in the raw material tank, and can also drive the entire raw material tank to rotate around the central axis during the extrusion movement, so that the plant raw material can be extruded in the axial and horizontal directions inside. The multi-directional extrusion of the plant raw material is conducive to the separation of the aromatic substances in the plant raw material from the surface of the plant raw material, so that the internal plant raw material is evenly compressed, thereby increasing the extraction yield of plant essential oils;

[0023] (2) The extrusion plate structure in the extrusion assembly cooperates with the inner wall of the tank body. According to the different movement directions of the extrusion plate structure, the water flow in the tank body can be changed, so that the extruded aromatic substances can quickly flow out of the tank body, reduce the concentration of aromatic substances around the plant raw materials, and facilitate the exudation of aromatic substances in the plant raw materials, thereby shortening the extraction time of plant essential oils and improving production efficiency;

[0024] (3) When the extrusion plate structure in the extrusion assembly is away from the bottom of the tank body, the through hole can be sealed by a sealing gasket, so that a vacuum structure is formed under the extrusion plate structure. During the movement, the water at the bottom can be sucked into the tank body, and there is sufficient pressure to drive the water flow, which has the effect of turning over the plant raw materials squeezed inside. There is no need to manually turn over the plant raw materials, ensuring that the plant raw materials can be squeezed to extract enough plant essential oils, thereby increasing the essential oil yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the three-dimensional structure of a cosmetic plant essential oil extraction device;

[0026] Figure 2 This is a schematic diagram of the internal structure of a distillation tank in a cosmetic plant essential oil extraction device;

[0027] Figure 3 This is a schematic diagram of the main structure of a raw material tank in a cosmetic plant essential oil extraction device;

[0028] Figure 4 This is a schematic diagram of the connection structure of a tank body in a cosmetic plant essential oil extraction device;

[0029] Figure 5 This is a schematic diagram of the internal structure of a tank in a cosmetic plant essential oil extraction device;

[0030] Figure 6 This is a schematic diagram of the structure of a driving mechanism in a cosmetic plant essential oil extraction device;

[0031] Figure 7 This is a schematic diagram of the structure of a transmission rod in a cosmetic plant essential oil extraction device;

[0032] Figure 8 The schematic diagram is a structural diagram of an extrusion plate structure in a cosmetic plant essential oil extraction device.

[0033] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0034] 1. Distillation tank; 11. Shell; 12. Operation port; 13. Annular support frame; 2. Condensation tank; 3. Steam pipe; 4. Bottom plate; 5. Heating component; 6. Raw material tank; 61. Tank body; 611. Filter screen; 62. Annular support seat; 63. Limiting ring; 64. Push block; 65. Sliding groove; 7. Extrusion assembly; 71. Cylinder; 72. Transmission rod; 73. Rotating support seat; 74. Rotating disk; 75. Bearing; 76. Rotating push rod; 77. Threaded hole; 78. External thread; 79. Extrusion plate structure; 791. Extrusion disk; 792. Through hole; 793. Sealing gasket. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0038] like Figure 1-8A cosmetic plant essential oil extraction device shown in the figure includes a distillation tank 1, a condensation tank 2, a steam pipe 3 and a bottom plate 4. The distillation tank 1 and the condensation tank 2 are both fixed on the bottom plate 4. One end of the steam pipe 3 is connected to the top of the distillation tank 1, and the other end of the steam pipe 3 is connected to the condensation tank 2. The distillation tank 1 has an outer shell 11 with a sealed structure. A heating component 5 for heating internal water is arranged at the bottom of the outer shell 11. An appropriate amount of clean water is filled in the outer shell 11. The internal clean water is heated by the heating component 5 at the bottom to generate water vapor inside. The aromatic substances mixed in the water are taken away by the steam and sent to the condensation tank 2 through the steam pipe 3. The heating component 5 adopts electric heating or other methods to heat the internal water. The heating component 5 is located at the bottom center of the outer shell 11 to make full use of the heating performance of the heating component 5.

[0039] The raw material tank 6 is located inside the outer shell 11, and the raw material tank 6 is completely immersed in the water in the outer shell 11. The plant raw material is filled in the raw material tank 6 and immersed in the water with the raw material tank 6 to prevent the plant raw material from floating on the water surface. The outer shell 11 is also provided with an extrusion component 7 for rotating and extruding the plant raw material placed in the raw material tank 6. The extrusion component 7 axially extrude the plant raw material placed inside, and can also drive the raw material tank 6 to rotate around the central axis, so that the plant raw material placed inside can be squeezed while also being squeezed in the horizontal direction, so as to separate the aromatic substance from the plant raw material and improve the extraction efficiency of the plant essential oil.

[0040] Specifically, the raw material tank 6 includes a tank body 61, and the plant raw material is placed in the tank body 61. A filter screen 611 is embedded in the bottom of the tank body 61, so that the aromatic substance detached from the inside flows out of the tank body 61 along the water flow. The extrusion assembly 7 includes a cylinder 71, a transmission rod 72 and an extrusion plate structure 79. The transmission rod 72 is fixedly connected to the output shaft of the cylinder 71. The extrusion plate structure 79 is arranged in the raw material tank 6 and is driven by the transmission rod 72 to move axially. The plant raw material is located below the extrusion plate structure 79. The cylinder 71 moves the transmission rod 72 axially, thereby driving the extrusion plate structure 79 to move axially. The extrusion plate structure 79 moves toward the bottom of the tank body 61 to axially extrude the plant raw material placed inside.

[0041] The extrusion plate structure 79 includes an extrusion plate 791. The outer diameter of the extrusion plate 791 is equal to the inner diameter of the tank body 61, so that the edge of the extrusion plate 791 moves along the inner wall of the tank body 61. When the extrusion plate 791 moves axially, it can push all the liquid in the tank body 61 to flow outward. The extrusion plate 791 and the tank body 61 form a piston structure. Through the movement of the extrusion plate 791, the external liquid is sucked into the interior of the tank body 61, thereby accelerating the flow rate of the internal liquid. A plurality of through holes 792 are provided in the extrusion plate 791, and the extrusion plate 791 moves downward to squeeze the plant material in the tank body 61 so that the internal water flow can flow upward, so that the liquid in the tank body 61 can flow in both upward and downward directions, and the detached aromatic substances are quickly mixed into the water.

[0042] The top of the extrusion disk 791 is covered with a layer of sealing gasket 793, which is made of rubber, and the center position of the sealing gasket 793 is fixed at the center position of the extrusion disk 791. When the extrusion disk 791 moves upward, the sealing gasket 793 is attached to the top of the extrusion disk 791 to seal the through hole 792, so that there is enough pressure in the tank body 61 to suck the external liquid into the tank body 61, so that a faster water flow is formed inside, which has an impact on the plant raw materials squeezed inside, and the plant raw materials can be turned over, which is conducive to the next extrusion and increases the yield of plant essential oils. When the extrusion disk 791 moves downward, the sealing gasket 793 is separated from the top of the extrusion disk 791 to make the through hole 792 conductive, and the extrusion disk 791 squeezes the liquid in the tank body 61, so that the liquid can still flow out from both the upper and lower directions.

[0043] When the transmission rod 72 moves in the axial direction, it can also push the tank body 61 to rotate around the central axis, thereby horizontally squeezing the plant material placed inside. The lower end of the transmission rod 72 passes through the bottom of the tank body 61, and the lower end of the transmission rod 72 is connected to the tank body 61 through a pushing mechanism. The transmission rod 72 moves in the axial direction to drive the tank body 61 to rotate around the central axis.

[0044] The tank body 61 is rotatably connected to the inner wall of the outer shell 11 so that the tank body 61 can only rotate around the central axis. Specifically, an annular support seat 62 is coaxially fixed to the outer wall of the tank body 61, and an annular support frame 13 of the same size as the annular support seat 62 is fixed inside the outer shell 11. The bottom of the tank body 61 passes through the inside of the annular support frame 13 so that the annular support seat 62 is erected above the annular support frame 13, and the annular support seat 62 is rotatably connected to the annular support frame 13. A plurality of steel balls are arranged on the annular support frame 13, each of which can rotate around its own spherical center. A sliding groove 65 cooperating with the steel ball is opened on the annular support seat 62, and the upper end of the steel ball extends into the sliding groove 65. The annular support seat 62 is supported by the steel ball to make its rotation smoother.

[0045] The pushing mechanism includes a rotating disk 74 located directly below the tank body 61 and rotating push rods 76 evenly distributed on the circumference of the rotating disk 74. The rotating disk 74 rotates, causing the rotating push rods 76 to move accordingly. A pushing block 64 corresponding to the rotating push rods 76 is fixed on the bottom of the tank body 61. When the rotating push rods 76 rotate around the central axis following the rotating disk 74, they abut against the side walls of the pushing block 64 to push the tank body 61 to rotate around the central axis. Multiple rotating push rods 76 contact the pushing block 64 at the same time, pushing the tank body 61 to rotate, so that the plant material placed inside moves around the central axis accordingly.

[0046] A threaded hole 77 is provided at the center of the rotating disk 74, and the transmission rod 72 passes through the threaded hole 77 and an external thread 78 is provided on the transmission rod 72 to cooperate with the thread of the threaded hole 77. The transmission rod 72 moves upward along the axis, and the rotating disk 74 is rotated by means of a threaded connection, thereby driving the tank body 61 to rotate; the rotating disk 74 is arranged on the top of the rotating support seat 73, and the rotating disk 74 is rotatably connected to the rotating support seat 73 through a bearing 75, and the rotating support seat 73 is fixed to the bottom of the outer shell 11, and the rotating disk 74 is supported by the rotating support seat 73 to rotate stably in the horizontal direction; the heating component 5 is arranged around the outer side of the rotating support seat 73 to heat the clean water at the bottom of the outer shell 11, so that the heated clean water can directly enter the tank body 61.

[0047] The extrusion disk 791 moves axially in the tank body 61, and the tank body 61 needs to maintain a stable position in the axial direction. The tank body 61 is limited in the axial direction by a limiting structure. The following method can be adopted: the lower ends of multiple push blocks 64 are fixedly connected to the same limiting ring 63. When the transmission rod 72 moves upward, the limiting ring 63 contacts the rotating push rod 76 to limit the axial position of the tank body 61, that is, the rotating push rod 76 is located between the limiting ring 63 and the bottom of the tank body 61. The rotating push rod 76 is used to limit the axial movement of the tank body 61 while maintaining the pushing effect of the rotating push rod 76 on the tank body 61. The limiting structure can also be set between the annular support seat 62 and the annular support frame 13, and can be adaptively designed according to actual conditions.

[0048] An operating port 12 is provided at the top of the shell 11 , and a sealing door is provided on the operating port 12 . Raw materials are loaded into the tank body 61 through the operating port 12 . The side wall of the shell 11 can also be opened to perform operations such as unloading, cleaning, and maintenance on the tank body 61 .

[0049] The following method and steps can be used to extract animal and plant essential oils using the extraction equipment:

[0050] S1: Load the plant raw material into the raw material tank 6, and fill the distillation tank 1 with clean water that can submerge the raw material tank 6; S2: Start the cylinder 71 of the extrusion assembly 7, and the cylinder 71 drives the transmission rod 72 to move in the axial direction, so that the extrusion plate structure 79 moves back and forth in the axial direction. When the extrusion plate structure 79 moves toward the bottom of the raw material tank 6, the plant raw material placed inside is squeezed, and at the same time, the moving transmission rod 72 pushes the raw material tank 6 to rotate around the central axis, so that the plant raw material inside is squeezed in the horizontal and vertical directions at the same time, and the aroma produced by the squeezed plant raw material is released. The substance diffuses into the surrounding water, and when the extrusion plate structure 79 moves toward the bottom of the raw material tank 6, the water outside the raw material tank 6 is sucked into the raw material tank 6, so that the extruded plant raw material is turned over, and the extruded aromatic substance can also quickly separate from the plant raw material, and the extrusion plate structure 79 moves back and forth in a cycle; S3: The heating component 5 at the bottom of the distillation tank 1 heats the internal water to form water vapor, and the steam carrying the aromatic substance is sent to the condensation tank 2 through the steam pipe 3, and condensed in the condensation tank 2 to form an oil-water mixture, which needs to be separated after passing through the separation operation to obtain the plant essential oil.

[0051] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as belonging to the scope of protection determined by the claims submitted for the present invention.

Claims

1. A cosmetic plant essential oil extraction device, comprising a distillation tank (1), a condensation tank (2), a steam pipe (3) and a bottom plate (4), wherein the distillation tank (1) and the condensation tank (2) are both fixed on the bottom plate (4), one end of the steam pipe (3) is connected to the top of the distillation tank (1), and the other end of the steam pipe (3) is connected to the condensation tank (2); characterized in that: The distillation tank (1) has a sealed shell (11). A heating assembly (5) for heating water inside the shell (11) is arranged at the bottom. A raw material tank (6) immersed in water and an extrusion assembly (7) for rotating and extruding plant raw materials placed in the raw material tank (6) are arranged in the shell (11). The extrusion assembly (7) comprises a cylinder (71), a transmission rod (72) and an extrusion plate structure (79). The transmission rod (72) is fixedly connected to the output shaft of the cylinder (71). The extrusion plate structure (79) is arranged in the raw material tank (6) and is driven by the transmission rod (72) to move upward along the axis. The lower end of the transmission rod (72) is transmission-connected to the raw material tank (6) so that when the transmission rod (72) moves upward along the axis, it pushes the raw material tank (6) to rotate around the central axis, so as to extrude the extruded plant raw materials in the horizontal direction.

2. The cosmetic plant essential oil extraction equipment according to claim 1, characterized in that: The raw material tank (6) is provided with a tank body (61) for containing plant raw materials, a filter screen (611) is embedded in the bottom of the tank body (61), and the extrusion plate structure (79) is coaxially arranged inside the tank body (61). The extrusion plate structure (79) squeezes the plant raw materials placed at the bottom of the tank body (61) so that aromatic substances diffuse from the filter screen (611) at the bottom into surrounding water.

3. The cosmetic plant essential oil extraction equipment according to claim 2, characterized in that: The extrusion plate structure (79) includes an extrusion plate (791). The outer diameter of the extrusion plate (791) is equal to the inner diameter of the tank body (61), so that the edge of the extrusion plate (791) moves along the inner wall of the tank body (61). The extrusion plate (791) is provided with a plurality of through holes (792) extending from top to bottom. The extrusion plate (791) moves downward to squeeze the plant material in the tank body (61), so that the water inside can flow upward.

4. The cosmetic plant essential oil extraction equipment according to claim 3, characterized in that: The top of the extrusion disk (791) is covered with a sealing gasket (793) made of rubber, and the center of the sealing gasket (793) is fixed at the center of the extrusion disk (791). When the extrusion disk (791) moves upward, the sealing gasket (793) adheres to the top of the extrusion disk (791) to seal the through hole (792). When the extrusion disk (791) moves downward, the sealing gasket (793) is separated from the top of the extrusion disk (791) to make the through hole (792) conductive.

5. The cosmetic plant essential oil extraction equipment according to claim 4, characterized in that: The lower end of the transmission rod (72) passes through the bottom of the tank body (61), and the lower end of the transmission rod (72) is connected to the tank body (61) through a pushing mechanism. The transmission rod (72) moves in the axial direction to drive the tank body (61) to rotate around the central axis.

6. The cosmetic plant essential oil extraction equipment according to claim 5, characterized in that: An annular support seat (62) is coaxially fixed to the outer wall of the tank body (61), an annular support frame (13) having the same size as the annular support seat (62) is fixed inside the outer shell (11), the bottom of the tank body (61) passes through the inside of the annular support frame (13) so that the annular support seat (62) is mounted above the annular support frame (13), and the annular support seat (62) is rotatably connected to the annular support frame (13).

7. The cosmetic plant essential oil extraction equipment according to claim 6, characterized in that: The pushing mechanism comprises a rotating disk (74) located directly below the tank body (61) and rotating push rods (76) evenly distributed on the circumference of the rotating disk (74); a threaded hole (77) is provided at the center of the rotating disk (74); a transmission rod (72) passes through the threaded hole (77) and an external thread (78) is provided on the transmission rod (72) that matches the thread of the threaded hole (77); a pushing block (64) corresponding to the rotating push rod (76) is fixed on the bottom of the tank body (61); when the rotating push rod (76) rotates around the central axis following the rotating disk (74), the pushing block (64) abuts against the side wall of the pushing block (64) to push the tank body (61) to rotate around the central axis.

8. The cosmetic plant essential oil extraction equipment according to claim 7, characterized in that: The lower ends of the plurality of pushing blocks (64) are fixedly connected to the same limiting ring (63), and when the transmission rod (72) moves upward, the limiting ring (63) contacts the rotating push rod (76) to limit the axial position of the tank body (61).

9. The cosmetic plant essential oil extraction equipment according to claim 8, characterized in that: The rotating disk (74) is arranged on the top of the rotating support seat (73), and the rotating disk (74) is rotatably connected to the rotating support seat (73) through a bearing (75). The rotating support seat (73) is fixed to the bottom of the shell (11), and the heating component (5) is arranged around the outer side of the rotating support seat (73).

10. A method for extracting plant essential oil using the cosmetic plant essential oil extraction device according to any one of claims 1 to 9, characterized in that: The steps include: S1: The plant raw material is placed in the raw material tank (6), and the distillation tank (1) is filled with clean water enough to cover the raw material tank (6); S2: The cylinder (71) of the extrusion assembly (7) is started, and the cylinder (71) drives the transmission rod (72) to move in the axial direction, so that the extrusion plate structure (79) moves back and forth in the axial direction. When the extrusion plate structure (79) moves toward the bottom of the raw material tank (6), the plant raw material placed inside is squeezed. At the same time, the moving transmission rod (72) pushes the raw material tank (6) to rotate around the central axis, so that the plant raw material inside is squeezed in the horizontal and vertical directions at the same time. The aromatic substances produced by squeezing the plant raw material are diffused into the surrounding water. When the extrusion plate structure (79) moves toward the bottom of the raw material tank (6), the water outside the raw material tank (6) is sucked into the raw material tank (6), so that the squeezed plant raw material is turned over, and the squeezed aromatic substances can also quickly separate from the plant raw material. The extrusion plate structure (79) moves back and forth in a cycle; S3: The heating component (5) at the bottom of the distillation tank (1) heats the water inside to form water vapor. The steam carrying aromatic substances is sent to the condensation tank (2) through the steam pipe (3) and condensed in the condensation tank (2) to form an oil-water mixture.

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