A raw material grinder for cosmetic production

By introducing a separation cylinder and a reflux mechanism into the grinding equipment, the size of the ground raw materials is ensured to be consistent, which solves the problem of inconsistent raw material size in existing equipment, improves the subsequent extraction efficiency, and enhances the operational stability and safety of the equipment through cleaning, crushing and dust prevention mechanisms.

CN115672489BActive Publication Date: 2025-11-14JIANGSU XINXI HEALTH TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202211413614.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-11
Publication Date
2025-11-14
Estimated Expiration
2042-11-11

AI Technical Summary

Technical Problem

Existing grinding equipment cannot effectively screen the ground raw materials to ensure they are of uniform size, resulting in the discharge of some oversized materials, which affects subsequent extraction work.

Method used

The system employs components such as a dustproof bottom cylinder, a support frame, a feed hopper, a separation cylinder, crushing and grinding wheels, and a grinding frame. Combined with a drive mechanism and a reflux mechanism, it ensures that after the ground raw material passes through the discharge hole of the separation cylinder, any excessively large raw material is returned for further grinding until it reaches a uniform size.

Benefits of technology

It ensures that the raw materials are of uniform size after grinding, avoiding affecting subsequent extraction work. The cleaning mechanism prevents the discharge hole from becoming blocked, the crushing mechanism prevents the raw materials from being too large and affecting efficiency, the guiding mechanism prevents sticking, and the dust prevention mechanism prevents dust from being raised.

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Abstract

This invention relates to a grinding mill, and more particularly to a raw material grinding mill for cosmetic production. There is a need to design a raw material grinding mill for cosmetic production that ensures the ground raw materials are of uniform size and does not affect subsequent extraction processes. A raw material grinding mill for cosmetic production includes a dustproof bottom cylinder, a supporting frame, a feed hopper, and a separating vertical cylinder. The supporting frame is fixedly connected to the lower part of the outer wall of the dustproof bottom cylinder, and the feed hopper is connected to the upper right side of the dustproof bottom cylinder. The separating vertical cylinder is fixedly connected inside the dustproof bottom cylinder and communicates with the feed hopper. In this invention, an appropriate amount of raw material is poured into the separating vertical cylinder through the feed hopper. A servo motor is started, and the crushing and grinding wheel rotates forward in conjunction with the grinding frame to grind the raw material. Qualified raw material fragments are discharged through the discharge hole of the separating vertical cylinder, while unqualified raw material fragments are discharged through the guide tube into the conveying vertical pipe for re-grinding. This ensures that the ground raw materials are of uniform size and do not affect subsequent extraction processes.
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Description

Technical Field

[0001] This invention relates to a grinding mill, and more particularly to a raw material grinding mill for cosmetic production. Background Technology

[0002] Cosmetic raw materials are diverse in type and properties. Extracting active ingredients from plants is a common step in cosmetic processing. To ensure a high extraction rate, cosmetic raw materials often need to be pulverized before extraction.

[0003] Chinese patent CN206535596U discloses a grinding device, including a mounting frame, a collection frame, a motor, a rotating shaft, a cam, a connecting rod, a grinding box, a feed hopper, a filter screen, a first protrusion, a spring, a push plate, a push rod, and a roller. The collection frame is placed on the bottom left side of the mounting frame, and the motor is located on the bottom right side. A rotating shaft is located at the top center of the motor, and a cam is located at the top of the shaft. A connecting rod is located on the lower left wall of the mounting frame, and the grinding box is located at the right end of the connecting rod. The feed hopper is located on the top left side of the grinding box. Although this patent can grind raw materials, the resulting pulverized material is of varying sizes, making effective screening impossible. This results in some oversized material being discharged, affecting subsequent extraction processes.

[0004] Based on the deficiencies in the aforementioned patents, we propose a raw material grinder for cosmetic production that can ensure the uniform size of the ground raw materials and will not affect subsequent extraction processes. Summary of the Invention

[0005] To overcome the shortcomings of the aforementioned patents, where the raw materials after grinding are of varying sizes, making effective screening impossible and causing some oversized materials to be discharged, thus affecting subsequent extraction work, this invention provides a raw material grinder for cosmetic production that ensures that the ground raw materials are of the same size and does not affect subsequent extraction work.

[0006] The technical solution is as follows:

[0007] A raw material grinder for cosmetic production includes a dustproof bottom cylinder, a support frame, a feed hopper, a separating cylinder, a crushing and grinding wheel, and a grinding frame. The support frame is fixed to the lower part of the outer wall of the dustproof bottom cylinder, and the feed hopper is connected to the upper right side of the dustproof bottom cylinder. The separating cylinder is fixed inside the dustproof bottom cylinder and communicates with the feed hopper. The lower part of the separating cylinder has a discharge hole spaced apart. The upper part of the separating cylinder is fixed to the grinding frame. The crushing and grinding wheel for grinding raw materials is rotatably arranged inside the grinding frame. The grinding machine also includes a drive mechanism and a reflux mechanism. The dustproof bottom cylinder is provided with a drive mechanism for driving the crushing and grinding wheel to rotate, and a reflux mechanism is provided between the drive mechanism and the separating cylinder for re-refluxing excessively large raw materials for further grinding.

[0008] As a further preferred option, it also includes anti-slip rubber blocks, with four anti-slip rubber blocks fixedly attached at intervals to the bottom of the support frame.

[0009] As a further preferred embodiment, the drive mechanism includes a servo motor, a drive shaft, a drive gear, a driven gear, a transmission shaft, and a conveying screw plate. The servo motor is fixedly connected to the top left side of the dustproof bottom cylinder. The output shaft of the servo motor is connected to the drive shaft. The drive gear is fixedly connected to the upper part of the drive shaft. The transmission shaft is rotatably provided in the middle of the upper part of the separation cylinder. The transmission shaft is fixedly connected to the crushing and grinding wheel. The driven gear is fixedly connected to the upper part of the transmission shaft. The driven gear meshes with the drive gear. The conveying screw plate is fixedly connected to the middle of the bottom of the crushing and grinding wheel. The conveying screw plate is located inside the separation cylinder.

[0010] As a further preferred embodiment, the reflux mechanism includes a material conveying riser, a material conveying screw, and a material guiding square tube. The material conveying riser is connected to the front left side of the dustproof bottom cylinder. The material conveying screw is rotatably installed inside the material conveying riser. The material conveying screw is driven by a synchronous belt assembly to the drive shaft. The material conveying riser is connected to the separation cylinder by a material guiding square tube.

[0011] As a further preferred embodiment, a cleaning mechanism for cleaning the discharge hole of the separation cylinder is also included. The cleaning mechanism includes a positioning cam, a slotted base, a transmission rod, a positioning gear, an internal gear ring, a positioning plate, a cleaning plate, and a buffer spring. The lower part of the drive shaft is fixedly connected to the positioning cam, and a sliding shaft is fixedly connected to the positioning cam. The transmission rod is rotatably provided in the upper middle part of the left wall inside the dustproof bottom cylinder. The upper part of the transmission rod is fixedly connected to the slotted base, which is sleeved on the sliding shaft of the positioning cam. The lower part of the transmission rod is fixedly connected to the positioning gear. The upper part of the dustproof bottom cylinder is rotatably provided with an internal gear ring, which meshes with the positioning gear. The bottom of the internal gear ring is fixedly connected to a positioning plate at intervals. The positioning plates are slidably provided with cleaning plates for cleaning the discharge hole of the separation cylinder. A buffer spring connects the cleaning plate and the positioning plate.

[0012] As a further preferred embodiment, it also includes a crushing mechanism for preliminary crushing of the raw materials. The crushing mechanism includes a limit baffle, a positioning disc, a limit base frame, a crushing cutter, a first return spring, a return guide, a second return spring, and a sleeve. The limit baffle is fixedly connected to the upper part of the separation cylinder, and the limit base frame is also fixedly connected to the upper part of the separation cylinder. The limit base frame is located below the limit baffle. The return guide is slidably provided on the limit base frame. The positioning disc is fixedly connected to the top of the return guide frame. The second return spring is evenly spaced between the limit base frame and the return guide frame. The crushing cutter for preliminary crushing of the raw materials is slidably provided on the positioning disc. The first return spring is connected between the crushing cutter and the positioning disc. The sleeve is fixedly connected to the upper part of the transmission shaft. The outer side of the sleeve has a cam groove. The positioning disc and the cam groove of the sleeve are in sliding engagement.

[0013] As a further preferred embodiment, it also includes a material guiding mechanism to prevent raw materials from sticking to the inner wall of the separation cylinder. The material guiding mechanism includes a limit guide, a material guiding scraper, and a positioning spring. The limit guide is fixed to the bottom end of the transmission shaft. The material guiding scraper is slidably provided on the limit guide to prevent raw materials from sticking to the inner wall of the separation cylinder. Positioning springs are symmetrically connected between the material guiding scraper and the limit guide.

[0014] As a further preferred embodiment, it also includes a dustproof mechanism to prevent dust from being raised. The dustproof mechanism includes a fixed frame and a dust cover. The fixed frame is connected to the bottom of the dustproof bottom cylinder, and the dust cover is connected to the fixed frame to prevent dust from being raised.

[0015] Beneficial effects:

[0016] 1. Pour an appropriate amount of raw material into the separation cylinder through the feed hopper, start the servo motor, and the crushing and grinding wheel rotates in the forward direction to grind the raw material in conjunction with the grinding and grinding frame. Qualified raw material fragments are discharged through the discharge hole of the separation cylinder, while unqualified raw material fragments are discharged into the conveying pipe through the guide square tube and returned to be ground again. In this way, it can be ensured that the size of the ground raw material is consistent and will not affect the subsequent extraction work.

[0017] 2. Under the action of the cleaning mechanism, the positioning plate rotates in both directions, which in turn drives the cleaning plate to rotate in both directions. The rotation of the cleaning plate cleans the discharge hole of the separation cylinder, thus avoiding blockage of the discharge hole of the separation cylinder and affecting the discharge effect.

[0018] 3. Under the action of the crushing mechanism, the positioning disc moves up and down, driving the crushing cutter to move up and down. The up and down movement of the crushing cutter, together with the limiting baffle, crushes the raw material, thus avoiding the low grinding efficiency caused by the excessive volume of the raw material. Attached Figure Description

[0019] Figure 1 This is a first-view three-dimensional structural diagram of the present invention.

[0020] Figure 2 This is a second-view three-dimensional structural diagram of the present invention.

[0021] Figure 3 This is a schematic diagram of a partial cross-sectional structure of the first embodiment of the present invention.

[0022] Figure 4 This is a schematic diagram of a second partial cross-sectional structure of the present invention.

[0023] Figure 5 This is a partial cross-sectional view of the driving mechanism of the present invention.

[0024] Figure 6 This is a partial cross-sectional view of the reflux mechanism of the present invention.

[0025] Figure 7 This is a schematic diagram of the third partial cross-sectional structure of the present invention.

[0026] Figure 8 This is a partial cross-sectional view of the first type of cleaning mechanism of the present invention.

[0027] Figure 9 This is a schematic cross-sectional view of the second type of cleaning mechanism of the present invention.

[0028] Figure 10 This is a partial cross-sectional view of the first type of crushing mechanism of the present invention.

[0029] Figure 11 This is a schematic diagram of a second partial cross-sectional structure of the crushing mechanism of the present invention.

[0030] Figure 12 This is a cross-sectional view of the third part of the crushing mechanism of the present invention.

[0031] Figure 13 This is a schematic diagram of the fourth partial cross-sectional structure of the present invention.

[0032] Figure 14 This is a partial cross-sectional view of the material guiding mechanism of the present invention.

[0033] Figure 15 This is a partial cross-sectional view of the dustproof mechanism of the present invention.

[0034] The diagram is labeled as follows: 1-Dustproof bottom cylinder, 2-Supporting base frame, 21-Anti-slip rubber block, 3-Feed hopper, 4-Separation vertical cylinder, 5-Crushing and rolling wheel, 6-Rolling frame, 7-Drive mechanism, 71-Servo motor, 72-Drive shaft, 73-Drive gear, 74-Driven gear, 75-Transmission vertical shaft, 76-Conveying screw plate, 8-Return mechanism, 81-Conveying vertical pipe, 82-Conveying screw rod, 83-Guide square tube, 9-Cleaning mechanism, 91-Positioning cam, 92-Slotted base, 93-Transmission short rod, 94- Positioning gear, 95-Internal gear ring, 96-Positioning plate, 97-Cleaning plate, 98-Buffer spring, 10-Crushing mechanism, 101-Limiting baffle, 102-Positioning disc, 103-Limiting base frame, 104-Crushing cutter, 105-First reset spring, 106-Reset guide frame, 107-Second reset spring, 108-Sleeve, 11-Guiding mechanism, 111-Limiting guide frame, 112-Guiding scraper, 113-Positioning spring, 12-Dustproof mechanism, 121-Fixing frame, 122-Dustproof cover. Detailed Implementation

[0035] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but this does not limit the scope of protection and application of the present invention.

[0036] Example 1

[0037] A raw material grinder for cosmetic production, such as Figures 1-6 As shown, the device includes a dustproof bottom cylinder 1, a support frame 2, anti-slip rubber blocks 21, a feed hopper 3, a separation cylinder 4, a crushing and grinding wheel 5, a grinding frame 6, a drive mechanism 7, and a return mechanism 8. The support frame 2 is fixedly connected to the lower part of the outer wall of the dustproof bottom cylinder 1. Four anti-slip rubber blocks 21 are fixedly connected at intervals at the bottom of the support frame 2. The feed hopper 3 is connected to the upper right side of the dustproof bottom cylinder 1. The separation cylinder 4 is fixedly connected inside the dustproof bottom cylinder 1 and is connected to the feed hopper 3. The lower part of the separation cylinder 4 has a discharge hole spaced apart. The grinding frame 6 is fixedly connected to the upper part of the separation cylinder 4. The crushing and grinding wheel 5 is rotatably installed inside the grinding frame 6. The crushing and grinding wheel 5 can grind the raw materials. The drive mechanism 7 is provided on the dustproof bottom cylinder 1. The drive mechanism 7 can provide power to drive the crushing and grinding wheel 5 to rotate. The return mechanism 8 is provided between the drive mechanism 7 and the separation cylinder 4. The return mechanism 8 can realize the return of excessive raw materials for re-grinding.

[0038] like Figure 3 and Figure 5 As shown, the drive mechanism 7 includes a servo motor 71, a drive shaft 72, a drive gear 73, a driven gear 74, a transmission shaft 75, and a conveying screw plate 76. The servo motor 71 is fixedly connected to the top left side of the dustproof bottom cylinder 1. The output shaft of the servo motor 71 is connected to the drive shaft 72. The drive gear 73 is fixedly connected to the upper part of the drive shaft 72. The transmission shaft 75 is rotatably provided in the middle of the upper part of the separation cylinder 4. The transmission shaft 75 is fixedly connected to the crushing and grinding wheel 5. The driven gear 74 is fixedly connected to the upper part of the transmission shaft 75. The driven gear 74 meshes with the drive gear 73. The conveying screw plate 76 is fixedly connected to the middle of the bottom of the crushing and grinding wheel 5. The conveying screw plate 76 is located inside the separation cylinder 4.

[0039] like Figure 3 and Figure 6 As shown, the reflux mechanism 8 includes a material conveying riser 81, a material conveying screw 82, and a material guiding square tube 83. The material conveying riser 81 is connected to the front left side of the dustproof bottom cylinder 1. The upper part of the material conveying riser 81 is connected to the upper part of the separation cylinder 4. The material conveying screw 82 is rotatably installed inside the material conveying riser 81. The material conveying screw 82 is driven by the drive shaft 72 through a synchronous belt assembly. The lower part of the material conveying riser 81 is connected to the bottom of the separation cylinder 4 through the material guiding square tube 83.

[0040] First, the operator places the collection container directly below the dustproof bottom cylinder 1. Then, an appropriate amount of raw material is poured into the separation cylinder 4 through the feed hopper 3. The servo motor 71 is started, and the drive shaft 72 rotates in reverse, driving the drive gear 73 in reverse. The drive gear 73 rotates in reverse, driving the driven gear 74 in reverse. The driven gear 74 rotates in the forward direction, driving the transmission shaft 75 in the forward direction. The transmission shaft 75 rotates in the forward direction, driving the crushing and grinding wheel 5 in the forward direction. The crushing and grinding wheel 5 moves the raw material outward, and the raw material contacts the grinding frame 6. The crushing and grinding wheel 5, in conjunction with the grinding frame 6, grinds the raw material. The ground fragments move downward onto the conveying screw plate 76. The transmission shaft 75 rotates in the forward direction, driving the conveying screw plate 76 in the forward direction. The conveying screw plate 76 moves the raw material fragments downward. After the qualified raw material fragments are discharged through the discharge hole of the separation cylinder 4, they fall into the collection container. The unqualified raw material fragments are discharged into the conveying vertical pipe 81 through the guide square pipe 83. At the same time, the drive shaft 72 drives the conveying screw 82 to reverse through the synchronous belt drive. The reverse rotation of the conveying screw 82 drives the unqualified raw material fragments back to the upper part of the separation cylinder 4 to be ground again. This process is repeated to continuously grind the raw materials, so that the ground raw materials are of uniform size and do not affect the subsequent extraction. After all the raw materials are ground, the servo motor 71 is turned off, the drive shaft 72 stops driving the driven gear 74 to reverse through the drive gear 73, the crushing and grinding wheel 5 also stops rotating forward, and the conveying screw 82 also stops reversing. Then the collection container can be picked up for further processing.

[0041] Example 2

[0042] Based on Example 1, such as Figures 7-9 As shown, it also includes a cleaning mechanism 9, which includes a positioning cam 91, a slotted base 92, a transmission rod 93, a positioning gear 94, an internal gear ring 95, a positioning plate 96, a cleaning plate 97, and a buffer spring 98. The lower part of the drive shaft 72 is fixedly connected to the positioning cam 91, and a sliding shaft is fixedly connected to the positioning cam 91. The transmission rod 93 is rotatably provided in the upper middle part of the left wall of the dustproof bottom cylinder 1, and the upper part of the transmission rod 93 is fixedly connected to the slotted base 92. 92 is fitted onto the sliding shaft of the positioning cam 91. The lower part of the transmission short rod 93 is fixedly connected to the positioning gear 94. The upper part of the dustproof bottom cylinder 1 is provided with an internal gear ring 95 that rotates. The internal gear ring 95 meshes with the positioning gear 94. The bottom of the internal gear ring 95 is fixedly connected with a positioning plate 96 at intervals. The positioning plate 96 is provided with a cleaning plate 97 that slides on it. The cleaning plate 97 can clean the discharge hole of the separation cylinder 4. A buffer spring 98 is connected between the cleaning plate 97 and the positioning plate 96.

[0043] like Figure 7 , Figure 10 , Figure 11 and Figure 12As shown, it also includes a crushing mechanism 10, which includes a limit baffle 101, a positioning disc 102, a limit base frame 103, a crushing cutter 104, a first reset spring 105, a reset guide frame 106, a second reset spring 107, and a sleeve 108. The limit baffle 101 is fixedly connected to the upper part of the separation cylinder 4, and the limit base frame 103 is also fixedly connected to the upper part of the separation cylinder 4. The limit base frame 103 is located below the limit baffle 101, and the reset guide frame 106 is slidably provided on the limit base frame 103. A positioning disc 102 is fixedly connected to the top of the 06. A second reset spring 107 is evenly spaced between the limiting base frame 103 and the reset guide frame 106. A crushing cutter 104 is slidably provided on the positioning disc 102 at intervals. The crushing cutter 104 can achieve preliminary crushing of raw materials. A first reset spring 105 is connected between the crushing cutter 104 and the positioning disc 102. A sleeve 108 is fixedly connected to the upper part of the transmission vertical shaft 75. A cam groove is opened on the outer side of the sleeve 108. The positioning disc 102 and the cam groove of the sleeve 108 slide in cooperation.

[0044] When the servo motor 71 is working, the drive shaft 72 reverses, causing the positioning cam 91 to reverse. The reversing of the positioning cam 91 causes the slotted base 92 to swing back and forth. The swinging of the slotted base 92 causes the transmission rod 93 to rotate in both directions. The rotation of the transmission rod 93 in both directions causes the positioning gear 94 to rotate in both directions. The rotation of the positioning gear 94 in both directions causes the internal gear ring 95 to rotate in both directions. The rotation of the internal gear ring 95 in both directions causes the positioning plate 96 to rotate in both directions. The rotation of the positioning plate 96 in both directions causes the cleaning plate 97 to rotate in both directions. The rotation of the cleaning plate 97 in both directions cleans the discharge hole of the separating cylinder 4, preventing the discharge hole of the separating cylinder 4 from being blocked and affecting the discharge effect. The buffer spring 98 plays a buffering role. After all the raw materials are ground, the servo motor 71 is turned off, and the drive shaft 72 stops swinging back and forth through the positioning cam 91. The cleaning plate 97 also stops rotating in both directions. In this way, the discharge hole of the separating cylinder 4 is prevented from being blocked and affecting the discharge effect.

[0045] First, the operator pours an appropriate amount of raw material into the positioning disc 102 through the feed hopper 3. When the servo motor 71 is working, the transmission shaft 75 rotates forward, driving the sleeve 108 to rotate forward. The forward rotation of the sleeve 108 drives the positioning disc 102 to move up and down through the cam groove. The second return spring 107 acts as a buffer. The up and down movement of the positioning disc 102 drives the crushing cutter 104 to move up and down. The up and down movement of the crushing cutter 104, in conjunction with the limit baffle 101, crushes the raw material. The first return spring 105 acts as a buffer. After all the raw material is ground, the servo motor 71 is turned off, the transmission shaft 75 stops driving the positioning disc 102 to move up and down through the sleeve 108, and the crushing cutter 104 also stops moving up and down. In this way, the raw material volume is avoided from being too large and affecting the grinding efficiency.

[0046] Example 3

[0047] Based on Examples 1 and 2, such as Figure 13 and Figure 14 As shown, it also includes a material guiding mechanism 11, which includes a limiting guide frame 111, a material guiding scraper 112 and a positioning spring 113. The bottom end of the transmission vertical shaft 75 is fixed to the limiting guide frame 111. The limiting guide frame 112 is slidably provided on the limiting guide frame 111. The material guiding scraper 112 can prevent the raw material from sticking to the inner wall of the separation vertical cylinder 4. The positioning spring 113 is symmetrically connected between the material guiding scraper 112 and the limiting guide frame 111.

[0048] like Figure 13 and Figure 15 As shown, it also includes a dustproof mechanism 12, which includes a fixed frame 121 and a dust cover 122. The bottom of the dustproof bottom cylinder 1 is connected to the fixed frame 121, and the fixed frame 121 is connected to the dust cover 122. The dust cover 122 can prevent dust from being raised when discharging materials.

[0049] When the servo motor 71 is working, the transmission shaft 75 rotates forward, driving the limit guide 111 to rotate forward. The limit guide 111 rotates forward, driving the guide scraper 112 to rotate forward. The guide scraper 112 rotates forward to clean the inner wall of the separation cylinder 4, thereby preventing unqualified raw materials from adhering to the inner wall of the separation cylinder 4 and affecting the reflux effect. In this way, it is convenient to clean the inner wall of the separation cylinder 4.

[0050] First, the operator places the collection container directly under the dust cover 122. After the raw material is ground, the raw material fragments are discharged through the discharge hole of the separation cylinder 4 and fall into the collection container. The dust raised by the dust cover 122 blocks the dust, thus preventing the dust from affecting the surrounding environment.

[0051] The technical principles of the embodiments of the present invention have been described above with reference to specific examples. These descriptions are merely for explaining the principles of the embodiments of the present invention and should not be construed as limiting the scope of protection of the embodiments of the present invention in any way. Based on the explanation herein, those skilled in the art can conceive of other specific embodiments of the present invention without creative effort, and these embodiments will all fall within the scope of protection of the embodiments of the present invention.

Claims

1. A raw material grinder for cosmetic production, comprising a dustproof bottom cylinder (1), a supporting base frame (2), a feeding hopper (3), a separating vertical cylinder (4), a crushing and grinding wheel (5), and a grinding frame (6), wherein the supporting base frame (2) is fixedly connected to the lower part of the outer wall of the dustproof bottom cylinder (1), the feeding hopper (3) is connected to the upper right side of the dustproof bottom cylinder (1), the separating vertical cylinder (4) is fixedly connected inside the dustproof bottom cylinder (1), the separating vertical cylinder (4) is connected to the feeding hopper (3), the lower part of the separating vertical cylinder (4) has a discharge hole spaced apart, the upper part of the separating vertical cylinder (4) is fixedly connected to the grinding frame (6), and the grinding frame (6) is rotatably provided with a crushing and grinding wheel (5) for grinding raw materials, characterized in that, It also includes a drive mechanism (7) and a reflux mechanism (8). The dustproof bottom cylinder (1) is provided with a drive mechanism (7) for driving the crushing and grinding wheel (5) to rotate. A reflux mechanism (8) for refluxing excessive raw materials for re-grinding is provided between the drive mechanism (7) and the separation cylinder (4). The drive mechanism (7) includes a servo motor (71), a drive shaft (72), a drive gear (73), a driven gear (74), a transmission shaft (75), and a conveying screw plate (76). The servo motor (71) is fixedly connected to the top left side of the dustproof bottom cylinder (1). The output shaft of the servo motor (71) is connected to the drive shaft (72). The drive gear (73) is fixedly connected to the upper part of the drive shaft (72). The transmission shaft (75) is rotatably provided in the middle of the upper part of the separation cylinder (4). The transmission shaft (75) is fixedly connected to the crushing and grinding wheel (5). The driven gear (74) is fixedly connected to the upper part of the transmission shaft (75). The driven gear (74) meshes with the drive gear (73). The conveying screw plate (76) is fixedly connected to the middle of the bottom of the crushing and grinding wheel (5). The conveying screw plate (76) is located inside the separation cylinder (4). The return mechanism (8) includes a material conveying riser (81), a material conveying screw (82), and a material guiding square tube (83). The material conveying riser (81) is connected to the front left side of the dustproof bottom cylinder (1). The material conveying screw (82) is rotatably installed inside the material conveying riser (81). The material conveying screw (82) is driven by a synchronous belt assembly to the drive shaft (72). The material conveying riser (81) is connected to the separation riser (4) by the material guiding square tube (83). It also includes a cleaning mechanism (9) for cleaning the discharge hole of the separation cylinder (4). The cleaning mechanism (9) includes a positioning cam (91), a slotted base (92), a transmission rod (93), a positioning gear (94), an internal gear ring (95), a positioning plate (96), a cleaning plate (97), and a buffer spring (98). The lower part of the drive shaft (72) is fixedly connected to the positioning cam (91), and a sliding shaft is fixedly connected to the positioning cam (91). The upper part of the left wall of the dustproof bottom cylinder (1) is rotatably provided with a transmission rod (93), and a slotted part is fixedly connected to the upper part of the transmission rod (93). The base (92) is fitted onto the sliding shaft of the positioning cam (91). The lower part of the transmission rod (93) is fixedly connected to the positioning gear (94). The upper part of the dustproof bottom cylinder (1) is provided with an internal gear ring (95) that rotates. The internal gear ring (95) meshes with the positioning gear (94). The bottom of the internal gear ring (95) is fixedly connected with a positioning plate (96) at intervals. The positioning plate (96) is provided with a cleaning brush plate (97) for cleaning the discharge hole of the separation cylinder (4). A buffer spring (98) is connected between the cleaning brush plate (97) and the positioning plate (96).

2. The raw material grinder for cosmetic production according to claim 1, characterized in that, It also includes anti-slip rubber blocks (21), and four anti-slip rubber blocks (21) are fixedly attached to the bottom of the support frame (2) at intervals.

3. The raw material grinder for cosmetic production according to claim 1, characterized in that, It also includes a crushing mechanism (10) for preliminary crushing of raw materials. The crushing mechanism (10) includes a limit baffle (101), a positioning disc (102), a limit base frame (103), a crushing cutter (104), a first reset spring (105), a reset guide frame (106), a second reset spring (107), and a sleeve (108). The limit baffle (101) is fixedly connected to the upper part of the separation cylinder (4), and the limit base frame (103) is also fixedly connected to the upper part of the separation cylinder (4). The limit base frame (103) is located below the limit baffle (101), and the reset guide frame is slidably provided on the limit base frame (103). (106) A positioning disc (102) is fixedly connected to the top of the reset guide (106). A second reset spring (107) is evenly spaced between the limiting base (103) and the reset guide (106). A rolling cutter (104) for preliminary crushing of raw materials is provided on the positioning disc (102) at intervals. A first reset spring (105) is connected between the rolling cutter (104) and the positioning disc (102). A sleeve (108) is fixedly connected to the upper part of the transmission shaft (75). A cam groove is opened on the outer side of the sleeve (108). The cam groove of the positioning disc (102) and the sleeve (108) slide together.

4. A raw material grinder for cosmetic production according to claim 3, characterized in that, It also includes a material guiding mechanism (11) for preventing raw materials from sticking to the inner wall of the separation cylinder (4). The material guiding mechanism (11) includes a limit guide (111), a material guiding scraper (112) and a positioning spring (113). The bottom end of the transmission shaft (75) is fixed to the limit guide (111). The limit guide (111) is slidably provided with a material guiding scraper (112) for preventing raw materials from sticking to the inner wall of the separation cylinder (4). The material guiding scraper (112) and the limit guide (111) are symmetrically connected with positioning springs (113) at the top and bottom.

5. A raw material grinder for cosmetic production according to claim 4, characterized in that, It also includes a dustproof mechanism (12) for preventing dust from being raised. The dustproof mechanism (12) includes a fixed frame (121) and a dust cover (122). The bottom of the dustproof bottom cylinder (1) is connected to the fixed frame (121), and the fixed frame (121) is connected to the dust cover (122) for preventing dust from being raised.

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