Vacuum emulsification stirring device for skin care product preparation

Abstract

The application belongs to the field of skin care product production equipment, and discloses a vacuum emulsification stirring device for skin care product preparation, which comprises a fixing device, a mixing device fixed above the fixing device, a shearing device movably arranged on the inner wall of the mixing device, a rotating device movably arranged on the inner wall of the mixing device, a stirring device movably arranged on the inner wall of the mixing device, and a vacuum pump fixed above the fixing device. The application aims to solve the technical problems of the existing skin care product emulsification stirring device, such as complex structure, poor motor synchronism, easy residue of raw materials, uneven emulsification, and poor vacuum sealing effect, and provides a vacuum emulsification stirring device with compact structure, single-power driving, multiple mechanism cooperative operation, no residue of raw materials, and high emulsification efficiency. Through precise structure connection and rotational speed gradient design, the application can ensure uniform emulsification of skin care product raw materials, improve product quality, and reduce production energy consumption and raw material waste.

Description

Technical Field

[0001] This invention relates to the field of skin care product production equipment technology, specifically a vacuum emulsification and stirring device for skin care product preparation. Background Technology

[0002] Vacuum emulsification and mixing equipment is a core piece of equipment in the skincare product manufacturing process. Its core function is to shear, crush, mix, and stir various raw materials such as oils, water phases, active ingredients, and emulsifiers in a vacuum-sealed environment. This prevents the raw materials from oxidizing and foaming due to contact with air, while ensuring that each phase of the raw materials is fully emulsified and dispersed, thereby improving the texture, stability, and shelf life of the skincare products.

[0003] Most conventional vacuum emulsification and mixing devices for skincare products on the market currently suffer from the following technical defects: Firstly, the use of multiple motors to drive the shearing and stirring mechanisms separately not only results in complex equipment structures, large space requirements, and high manufacturing costs, but also easily leads to problems such as poor synchronization of multiple motors and frequent transmission failures, while also consuming a lot of energy. Secondly, the stirring and shearing mechanisms operate at a single rotation speed and lack gradient coordination. Either high-speed shearing causes some heat-sensitive active raw materials to degrade, or low-speed stirring fails to achieve sufficient emulsification, making it difficult to meet the emulsification uniformity standard. Third, raw material deposits and residues are prone to occur on the inner wall of the device, especially at the bottom, which not only wastes raw materials but also leads to uneven composition of batch products, affecting product quality. Fourth, the sealing structure and vacuum system are not well matched, resulting in poor airtightness and difficulty in maintaining a stable vacuum environment. Raw materials are prone to oxidation and deterioration, affecting the effectiveness and shelf life of skincare products.

[0004] To address the shortcomings of the existing technology, this technical solution proposes a vacuum emulsification and stirring device for preparing skincare products. Summary of the Invention

[0005] The purpose of this invention is to solve the technical problems of existing skin care product emulsification and stirring equipment, such as complex structure, poor synchronization of multiple motors, easy residue of raw materials, uneven emulsification, and poor vacuum sealing effect. The invention provides a vacuum emulsification and stirring device with a compact structure, single power drive, multi-mechanism coordinated operation, no raw material residue, and high emulsification efficiency. Through precise structural connection and speed gradient design, it ensures uniform emulsification of skin care product raw materials, improves product quality, and reduces production energy consumption and raw material waste.

[0006] To achieve the above objectives, the present invention provides the following technical solution: The technical solution provided by this invention is: a vacuum emulsification and stirring device for preparing skin care products, including a fixing device, a mixing device fixedly arranged above the fixing device, a shearing device movably arranged on the inner wall of the mixing device, a rotating device movably arranged on the inner wall of the mixing device, a stirring device movably arranged on the inner wall of the mixing device, and a vacuum pump fixedly arranged above the fixing device.

[0007] Furthermore, the fixing device includes a base, a placement plate is fixedly mounted on one end of the base, support rods are symmetrically mounted on the placement plate, a support plate is fixedly mounted inside the support rods, and fixing columns are symmetrically mounted on the base, with connection holes opened on the upper surface of the fixing columns.

[0008] Furthermore, the mixing device includes a mixing cylinder fixedly installed above the base, a mixing inlet is provided above the mixing cylinder, a sealing cover is fitted above the mixing inlet, sealing bolts are symmetrically provided on the side of the sealing cover, the sealing bolts are adapted to connect with the connecting holes, a sealing ring is fixedly provided below the sealing cover, the sealing ring is adapted to the size of the mixing inlet, and a shearing groove is fixedly provided on the inner wall of the mixing cylinder.

[0009] Furthermore, the shearing device includes a shearing motor fixedly installed above the placement plate, a shearing rod adapted to the output end of the shearing motor, a plurality of shearing rings evenly distributed on the surface of the shearing rod, through holes opened on the surface of each shearing ring, shearing blades fixedly installed on both sides of each shearing ring, and a shearing gear fixedly installed at one end of the shearing rod.

[0010] Furthermore, the rotating device includes a rotating ring movably installed on one end of the inner wall of the mixing drum. Several rotating plates are fixedly provided on one side of the rotating ring. Arc-shaped scrapers are fixedly provided on the outer walls of the rotating plates. The outer walls of the arc-shaped scrapers are in contact with the inner wall of the mixing drum. Several rotating grooves are opened on the surface of the rotating plates. A protective plate is fixedly provided on the outer wall of one end of the rotating ring. A rotating gear ring is fixedly provided on one side of the protective plate. A rotating gear is movably meshed inside the rotating gear ring. The rotating gear meshes with a shearing gear. A rotating rod is fixedly provided at the axis of the rotating gear. The rotating rod is fixedly connected to the rotating ring.

[0011] Furthermore, the stirring device includes a stirring ring movably installed on the inner wall of the mixing cylinder, a plurality of stirring rods fixedly provided on one side of the stirring ring, a plurality of stirring blades provided on the side of the stirring rods, a stirring tooth ring movably provided at one end of the stirring ring, a stirring gear meshing on the inner wall of the stirring tooth ring, the stirring gear meshing and matching with the shearing gear, a connecting rod fixedly provided at one end of the stirring gear shaft, and the connecting rod being fixedly connected to the stirring ring.

[0012] Furthermore, the number and size of teeth on the shearing gear, rotating gear, and stirring gear are all different.

[0013] The beneficial effects of this technical solution are: (1) This invention relies solely on a single shear motor as the only power source. Through the core transmission action of the shear gear, it synchronously links the three functional mechanisms of the shearing device, the rotating device, and the stirring device. This eliminates the complex structure of traditional emulsification equipment with multiple motors driving separately, and saves the need for multi-motor synchronous control components, complex transmission wiring, and independent power supports. The overall structure is more compact and regular, and occupies less installation space. The fixing device adopts an integrated support layout of base, placement plate, support rod, and fixing column. The components are rigidly fixed and connected. The power components are separately arranged from the working chamber, which not only ensures the overall stability of the equipment during operation, but also greatly reduces the probability of transmission failure caused by multi-motor synchronization error. At the same time, it reduces power consumption and makes subsequent disassembly, repair, and daily maintenance of the equipment more convenient. It simplifies the equipment composition from the structural source, takes into account both operational stability and ease of use, and extends the overall service life of the equipment.

[0014] (2) This invention achieves functional optimization of multi-mechanism collaborative operation through internal gear transmission and differential structure design. Relying on the structural setting of different tooth numbers and sizes of shearing gear, rotating gear and stirring gear, a three-mechanism gradient operation mode is formed. No additional speed adjustment components or speed change structure are required. The speed can be distinguished by gear meshing alone. The structure design is ingenious and the operation is reliable. The shearing device operates at high speed to complete the fine shearing and crushing of raw materials. With the cooperation structure of shearing ring, shearing blade and shearing groove, the fineness of raw material emulsification is guaranteed. The stirring device operates at a moderate speed. The stirring rod and stirring blade realize the stirring of raw materials in the whole cavity. The stirring blade and the rotating groove are adapted to each other and there is no dead angle of operation interference. The rotating device operates at low speed close to the cylinder wall. The three mechanisms perform their respective functions and cooperate with each other. This avoids the problem of excessive shearing or uneven stirring of raw materials at a single speed. There is no need to add additional independent control components. This makes the emulsification process more in line with the processing needs of skin care raw materials and improves the overall emulsification uniformity and product texture stability.

[0015] (3) This invention achieves structural optimization from the perspectives of processing environment and raw material utilization through the dual design of sealing structure and scraping feeding structure. The mixing device adopts a multi-layer sealing structure of sealing cover plate, sealing bolt and sealing ring. The sealing bolt and the connection hole on the fixed column are precisely matched and locked. The sealing ring is embedded in the mixing inlet to seal the gap. With the vacuum pump, the vacuum sealing environment inside the mixing cylinder is stably maintained, blocking the entry of external air throughout the process, avoiding oxidation and foaming of raw materials during processing, and ensuring the activity of skin care raw materials. At the same time, the arc-shaped scraper on the rotating device is closely attached to the inner wall of the mixing cylinder. During low-speed operation, it continuously scrapes the raw materials deposited and adhered on the cylinder wall and bottom, and gradually pushes them to the working area of ​​the shearing device to form a raw material circulation emulsification system. The structure eliminates the waste of raw material residue and ensures that the composition of each batch of products is uniform. The sealing, scraping and transmission structures of the whole device are mutually compatible and have no redundant design, fully meeting the needs of refined and pollution-free processing of skin care products. Attached Figure Description

[0016] Figure 1 This is one of the structural schematic diagrams of a vacuum emulsification and stirring device for preparing skin care products proposed in this invention; Figure 2 This is the second schematic diagram of a vacuum emulsification and stirring device for preparing skin care products proposed in this invention; Figure 3 This is a schematic diagram of the internal structure of a vacuum emulsification and stirring device for preparing skin care products according to the present invention; Figure 4 This is a schematic cross-sectional view of a vacuum emulsification and stirring device for preparing skin care products proposed in this invention. Figure 5 This is a cross-sectional planar structural diagram of a vacuum emulsification and stirring device for preparing skin care products proposed in this invention; Figure 6 This is one of the exploded structural diagrams of a vacuum emulsification and stirring device for preparing skin care products proposed in this invention; Figure 7 This is the second schematic diagram showing the disassembled structure of a vacuum emulsification and stirring device for preparing skincare products proposed in this invention. Figure 8 This is a schematic diagram of the shearing device structure of a vacuum emulsification and stirring apparatus for preparing skin care products proposed in this invention; Figure 9 This is a schematic diagram of the rotating device structure of a vacuum emulsification and stirring apparatus for preparing skin care products proposed in this invention; Figure 10 This is a schematic diagram of the stirring device structure of a vacuum emulsification and stirring apparatus for preparing skin care products proposed in this invention.

[0017] The corresponding labels in the attached drawings are named as follows: 1. Fixing device; 101. Base; 102. Placement plate; 103. Support rod; 104. Support plate; 105. Fixing column; 106. Connecting hole; 2. Mixing device; 201. Mixing cylinder; 202. Mixing inlet; 203. Sealing cover plate; 204. Sealing bolt; 205. Sealing ring; 206. Shearing groove; 3. Shearing device; 301. Shearing motor; 302. Shearing rod; 303. Shearing ring; 304. 1. Through hole; 305. Shearing blade; 306. Shearing gear; 4. Rotating device; 401. Rotating ring; 402. Rotating plate; 403. Arc-shaped scraper; 404. Rotating groove; 405. Protective plate; 406. Rotating gear ring; 407. Rotating gear; 408. Rotating rod; 5. Stirring device; 501. Stirring ring; 502. Stirring rod; 503. Stirring blade; 504. Stirring gear ring; 505. Stirring gear; 506. Connecting rod; 6. Vacuum pump. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] The specific implementation process is as follows: Example 1: Please see Figure 1-10 The present invention provides a technical solution: a vacuum emulsification and stirring device for preparing skin care products, comprising a fixing device 1, a mixing device 2 fixedly installed above the fixing device 1, a shearing device 3 movably arranged on the inner wall of the mixing device 2, and a rotating device 4 and a stirring device 5 movably arranged on the inner wall of the mixing device 2. The shearing device 3, the rotating device 4, and the stirring device 5 are all located in the internal cavity of the mixing device 2 and cooperate with each other to complete emulsification and stirring; a vacuum pump 6 is fixedly installed above the fixing device 1, and the vacuum pump 6 is used to extract air from the inside of the mixing device 2 to create a vacuum processing environment.

[0020] The fixing device 1 includes a base 10101, which serves as the supporting foundation for the entire device and is used to stably support the overall device. A placement plate 102 is fixedly connected to one end of the base 10101. The placement plate 102 is vertically fixed to the base 10101 and is used to support the power component of the shearing device 3. Support rods 103 are symmetrically fixed above the placement plate 102. A support plate 104 is fixedly connected between the tops of the support rods 103. The support plate 104 is horizontally set and is used to further reinforce the installation position of the power component of the shearing device. Fixing columns 105 are symmetrically fixed above the base 10101. The fixing columns 105 are located on both sides of the top of the mixing device 2. Each fixing column 105 has a vertically formed connection hole 106 on its upper surface. The connection hole 106 is used to seal and lock the mixing device 2.

[0021] The mixing device 2 includes a mixing cylinder 201, which is fixedly installed above the base 10101 at its bottom, located between two sets of fixed columns 105, providing a sealed cavity for emulsifying and mixing raw materials. A mixing inlet 202 is opened at the center of the top of the mixing cylinder 201 for feeding in the raw materials to be processed. A sealing cover 203 is fitted above the mixing inlet 202, covering the mixing inlet 202 to achieve a preliminary seal. Sealing bolts 204 are symmetrically fixed on the sides of the sealing cover 203. The number and position of the sealing bolts 204 are the same as those of the fixed columns 105. The connecting hole 106 on 05 is completely corresponding, and the sealing bolt 204 is adapted to the connecting hole 106 for detachable connection, so as to realize the locking and sealing of the sealing cover plate 203 and the mixing cylinder 201; a sealing ring 205 is fixedly provided on the lower surface of the sealing cover plate 203, the sealing ring 205 is adapted to the mixing inlet 202, and the sealing ring 205 is embedded in the mixing inlet 202 to further enhance the sealing effect and prevent air leakage in the vacuum environment; a shearing groove 206 is fixedly provided on the inner wall of the mixing cylinder 201, the shearing groove 206 is corresponding to the position of the shearing device 3, and works with the shearing device 3 to complete the raw material shearing.

[0022] The shearing device 3 includes a shearing motor 301, which is fixedly installed above the placement plate 102 and further reinforced by the support plate 104 to ensure stable operation. The output end of the shearing motor 301 is adapted to connect to the shearing rod 302, which extends through the side wall of the mixing cylinder 201 into the interior of the mixing cylinder 201. The penetration point is sealed to ensure that the vacuum sealing of the mixing cylinder 201 is not affected. Several shearing rings 303 are uniformly fixed on the surface of the shearing rod 302. The shearing rings 303 rotate synchronously with the shearing rod 302. Several through holes 304 are uniformly opened on the surface of each shearing ring 303 to allow the raw materials to flow and avoid local accumulation of raw materials. Shearing blades 305 are fixed on both sides of each shearing ring 303. The shearing blades 305 rotate at high speed with the shearing ring 303 to shear, crush and emulsify the raw materials. A shearing gear 306 is fixed at the end of the shearing rod 302 away from the shearing motor 301. The shearing gear 306 rotates synchronously with the shearing rod 302 and serves as the transmission core to synchronously drive the rotating device 4 and the stirring device 5.

[0023] The rotating device 4 includes a rotating ring 401, which is movably mounted on one end of the inner wall of the mixing cylinder 201 and can rotate circumferentially along the inner wall of the mixing cylinder 201. Several rotating plates 402 are fixedly mounted on one side of the rotating ring 401, and are evenly distributed radially along the rotating ring 401, rotating synchronously with the rotating ring 401. An arc-shaped scraper 403 is fixedly mounted on the outer wall of each rotating plate 402, and the outer wall of the arc-shaped scraper 403 is in close contact with the inner wall of the mixing cylinder 201, scraping off the raw materials deposited on the cylinder wall and bottom during rotation. Several rotating grooves 404 are evenly formed on the surface of each rotating plate 402. The rotating grooves 404 are through-type grooves, allowing the components of the stirring device 5 to pass through, thus avoiding operational interference. A protective plate 405 is fixedly provided on the outer wall of one end of the rotating ring 401. The protective plate 405 blocks the raw material and prevents the raw material from entering the transmission gear area and affecting the meshing. A rotating gear ring 406 is fixedly provided on one side of the protective plate 405. The rotating gear ring 406 is coaxially arranged with the rotating ring 401 and rotates synchronously. A rotating gear 407 is movably meshed inside the rotating gear ring 406. The rotating gear 407 also meshes with the shearing gear 306 and is driven to rotate by the shearing gear 306. A rotating rod 408 is fixedly provided at the axial position of the rotating gear 407. The end of the rotating rod 408 is fixedly connected to the rotating ring 401. The rotation of the rotating gear 407 drives the rotating ring 401 to rotate synchronously through the rotating rod 408.

[0024] The stirring device 5 includes a stirring ring 501, which is movably mounted on the inner wall of the mixing cylinder 201. It is coaxially arranged with the rotating ring 401 and does not interfere with it, allowing for independent circumferential rotation. Several stirring rods 502 are fixedly mounted on one side of the stirring ring 501, evenly distributed radially along the ring and rotating synchronously with it. Several stirring blades 503 are evenly fixed to the side of each stirring rod 502. The stirring blades 503 are adapted to the rotating grooves 404 on the rotating plate 402 and can freely pass through the rotating grooves 404. This achieves stirring without dead angles throughout the entire cavity; one end of the stirring ring 501 is movably provided with a stirring toothed ring 504, and a stirring gear 505 is meshed with the inner wall of the stirring toothed ring 504. The stirring gear 505 is also meshed and matched with the shearing gear 306, and the stirring gear 505 is driven to rotate through the shearing gear 306; one end of the stirring gear 505 is fixedly provided with a connecting rod 506 at the axial position, and the end of the connecting rod 506 is fixedly connected to the stirring ring 501. The rotation of the stirring gear 505 drives the stirring ring 501 to rotate synchronously through the connecting rod 506.

[0025] The shearing gear 306, the rotating gear 407, and the stirring gear 505 have different numbers and sizes of teeth. They mesh with each other and have different speeds. The shearing device 3 operates the fastest, followed by the stirring device 5, and the rotating device 4 operates the slowest. The differentiated speeds achieve coordinated operation of shearing, stirring, and scraping feeding.

[0026] The specific process is as follows: Before starting the equipment, first separate the sealing bolt 204 on the side of the sealing cover 203 from the connecting hole 106 on the fixing column 105 to release the locking state of the sealing cover 203. Open the sealing cover 203 upward to expose the mixing inlet 202 at the top of the mixing cylinder 201. Then, put the various skin care product raw materials to be processed into the cavity inside the mixing cylinder 201 at a uniform speed through the mixing inlet 202. After the raw materials are put in, put the sealing cover 203 back on the mixing inlet 202, align the sealing bolt 204 with the corresponding connecting hole 106 of the fixing column 105 and lock it. Through the double cooperation of the sealing cover 203 and the sealing ring 205, the mixing cylinder 201 is completely sealed, blocking the flow of air between the inside and the outside, and preparing for the subsequent vacuum processing.

[0027] After sealing is completed, the vacuum pump 6 on the fixing device 1 is started. The vacuum pump 6 starts running and continuously extracts air from the inside of the mixing cylinder 201 through the connecting pipeline, bringing the internal cavity of the mixing cylinder 201 to a vacuum state. The operation of the vacuum pump 6 is maintained throughout the process to ensure a stable vacuum environment inside the mixing cylinder 201, avoid contact between the raw materials and air during subsequent processing, prevent problems such as oxidation and foaming of the raw materials, and ensure the activity and emulsification quality of the skin care product raw materials.

[0028] After the vacuum environment stabilizes, the shearing motor 301 of the shearing device 3 is started through the external control system. The shearing motor 301, as the sole power source of the entire device, begins to operate. Its output end drives the shearing rod 302 to rotate synchronously. The shearing rod 302 passes through the sealed part of the mixing cylinder 201 without disrupting the internal vacuum environment, thereby driving all the shearing rings 303 on the shearing rod 302 to rotate at high speed. The shearing blades 305 on both sides of the shearing ring 303 rotate synchronously at high speed with the shearing ring 303, continuously shearing and crushing the raw material in the mixing cylinder 201. During the shearing process, the raw material flows through the through holes 304 on the shearing ring 303 to avoid local accumulation of raw material. In conjunction with the shearing grooves 206 on the inner wall of the mixing cylinder 201, the shearing and crushing effect is further enhanced, and the initial fine emulsification of the raw material is completed.

[0029] While the shearing rod 302 rotates, the shearing gear 306 at its end rotates synchronously at high speed with the shearing rod 302. As the core transmission component, the shearing gear 306 drives the rotating gear 407 and the stirring gear 505 to rotate synchronously through gear meshing. Since the shearing gear 306, the rotating gear 407 and the stirring gear 505 have different numbers and sizes of teeth, they form a differentiated speed gradient after meshing and transmission. The rotating gear 407 and the stirring gear 505 both rotate around the shearing gear 306 in a circle. The three have different operating frequencies. The overall operating speed of the shearing device 3 is the fastest, the operating speed of the stirring device 5 is the second fastest, and the operating speed of the rotating device 4 is the slowest. The differential speed design achieves orderly coordination of shearing, stirring and scraping feeding.

[0030] When the stirring gear 505 is driven to rotate by the shearing gear 306, it drives the stirring ring 501 to rotate synchronously through the connecting rod 506 at its axial position. The stirring ring 501 then drives the stirring rod 502 and the stirring blade 503 to rotate synchronously. During the rotation, the stirring blade 503 can freely pass through the rotating groove 404 on the rotating plate 402 without interfering with the operation of the rotating device 4. It can perform all-round, dead-angle-free stirring of all raw materials inside the mixing cylinder 201, fully mix the sheared raw materials evenly, avoid the separation of raw material components, and ensure the uniformity of emulsification.

[0031] When the rotating gear 407 is driven to rotate by the shearing gear 306, the rotating rod 408 at its axis position drives the rotating ring 401 to rotate synchronously at low speed. The rotating ring 401 then drives the rotating plate 402 and the arc-shaped scraper 403 to operate synchronously. The arc-shaped scraper 403 is always in close contact with the inner wall of the mixing cylinder 201. During the low-speed rotation, it continuously scrapes the raw materials deposited and adhered on the cylinder wall and bottom of the mixing cylinder 201. At the same time, it gradually pushes the scraped deposited raw materials to the area where the shearing device 3 is located, so that the deposited raw materials re-enter the shearing, crushing and mixing process, forming a raw material circulation emulsification system with no raw material residue throughout the process, ensuring that all raw materials can be fully emulsified.

[0032] After the raw material emulsification and mixing operation is completed, first turn off the shear motor 301. After the shearing device 3, stirring device 5, and rotating device 4 have completely stopped operating, turn off the vacuum pump 6 and gradually break the vacuum state inside the mixing drum 201. After the internal vacuum state is completely eliminated, loosen the sealing bolt 204, open the sealing cover 203, and take out the emulsified skin care product material inside the mixing drum 201, thus completing the entire vacuum emulsification and mixing process.

[0033] This device relies on a single shear motor 301 for power throughout the entire process, eliminating the need for multi-motor synchronous control. Through the differential meshing transmission of the shear gear 306, the rotary gear 407, and the stirring gear 505, it achieves simultaneous operation of three functions: high-speed shearing and crushing, medium-speed uniform stirring, and low-speed wall scraping and feeding. Combined with the stable vacuum sealed environment of the mixing drum 201, it not only solves the problems of complex multi-motor structure and poor synchronization in traditional equipment, but also completely avoids raw material sedimentation and residue, achieving efficient, uniform, and stable emulsification and stirring of skin care product raw materials.

[0034] The above are merely embodiments of the present invention, and common knowledge such as specific technical solutions or characteristics in the solutions are not described in detail here. It should be noted that those skilled in the art can make several modifications and improvements without departing from the technical solutions of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A vacuum emulsification and stirring apparatus for preparing skincare products, characterized in that: It includes a fixing device (1), a mixing device (2) fixed above the fixing device (1), a shearing device (3) movably provided on the inner wall of the mixing device (2), a rotating device (4) movably provided on the inner wall of the mixing device (2), a stirring device (5) movably provided on the inner wall of the mixing device (2), and a vacuum pump (6) fixed above the fixing device (1).

2. The vacuum emulsifying and stirring apparatus for preparing skincare products according to claim 1, characterized in that: The fixing device (1) includes a base (101), a placement plate (102) is fixedly provided above one end of the base (101), a support rod (103) is symmetrically provided above the placement plate (102), a support plate (104) is fixedly provided inside the support rod (103), a fixing column (105) is symmetrically provided above the base (101), and a connection hole (106) is opened on the upper surface of the fixing column (105).

3. The vacuum emulsifying and stirring apparatus for preparing skincare products according to claim 2, characterized in that: The mixing device (2) includes a mixing cylinder (201) fixedly installed above the base (101). A mixing inlet (202) is provided above the mixing cylinder (201). A sealing cover plate (203) is fitted above the mixing inlet (202). Sealing bolts (204) are symmetrically provided on the side of the sealing cover plate (203). The sealing bolts (204) are adapted to the connection hole (106). A sealing ring (205) is fixedly provided below the sealing cover plate (203). The sealing ring (205) is adapted to the size of the mixing inlet (202). A shearing groove (206) is fixedly provided on the inner wall of the mixing cylinder (201).

4. The vacuum emulsifying and stirring apparatus for preparing skincare products according to claim 2, characterized in that: The shearing device (3) includes a shearing motor (301) fixedly installed above the placement plate (102). The output end of the shearing motor (301) is fitted with a shearing rod (302). The surface of the shearing rod (302) is uniformly provided with a plurality of shearing rings (303). The surface of each shearing ring (303) is provided with a through hole (304). Shearing blades (305) are fixedly provided on both sides of each shearing ring (303). A shearing gear (306) is fixedly provided at one end of the shearing rod (302).

5. The vacuum emulsifying and stirring apparatus for preparing skincare products according to claim 4, characterized in that: The rotating device (4) includes a rotating ring (401) movably installed on one end of the inner wall of the mixing cylinder (201). Several rotating plates (402) are fixedly provided on one side of the rotating ring (401). Arc-shaped scrapers (403) are fixedly provided on the outer wall of each rotating plate (402). The outer wall of the arc-shaped scraper (403) is in contact with the inner wall of the mixing cylinder (201). Several rotating grooves (404) are opened on the surface of each rotating plate (402). A protective plate (405) is fixedly provided on the outer wall of one end of the rotating ring (401). A rotating gear ring (406) is fixedly provided on one side of the protective plate (405). A rotating gear (407) is movably meshed inside the rotating gear ring (406). The rotating gear (407) meshes with the shearing gear (306). A rotating rod (408) is fixedly provided at the axial position of the rotating gear (407). The rotating rod (408) is fixedly connected to the rotating ring (401).

6. The vacuum emulsifying and stirring apparatus for preparing skincare products according to claim 4, characterized in that: The stirring device (5) includes a stirring ring (501) movably installed on the inner wall of the mixing cylinder (201). A plurality of stirring rods (502) are fixedly provided on one side of the stirring ring (501). A plurality of stirring blades (503) are provided on the side of the stirring rods (502). A stirring toothed ring (504) is movably provided at one end of the stirring ring (501). A stirring gear (505) is meshed with the inner wall of the stirring toothed ring (504). The stirring gear (505) meshes with the shearing gear (306). A connecting rod (506) is fixedly provided at one end of the axis of the stirring gear (505). The connecting rod (506) is fixedly connected to the stirring ring (501).

7. The vacuum emulsifying and stirring apparatus for preparing skincare products according to claim 6, characterized in that: The shearing gear (306), the rotating gear (407), and the stirring gear (505) have different numbers and sizes of teeth.

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