Chemical experiment medicine grinding, screening and drying device and method
By designing a chemical experimental drug grinding screening and drying device, the central gear drive grinding roller and swing screening mechanism can achieve efficient grinding and screening, combined with rolling gear flip drying, the low grinding efficiency and numerous equipment of traditional Chinese medicines in the existing technology are solved. The problem of improving grinding consistency and drying effect.
Patent Information
- Application Number
- CN202411427560.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-01-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the prior art, the grinding process of chemical experimental drugs is low, the manpower grinding effect is poor, the repeatability is poor, and multiple equipment needs to be screened and dried after grinding, which is labor-consuming and inconvenient.
Design a chemical experimental drug grinding screening and drying device, including a built-in grinding, screening and drying mechanism for chemical drug boxes, and uses a central gear to drive the grinding roller for grinding. The screening mechanism is screened through a swing bracket, and the drying mechanism is passed through Rolling gears and chutes flip to dry, avoiding direct heating to prevent crystallization.
It realizes efficient grinding and screening, improves the consistency of drug crushing and screening efficiency, avoids crystallization during drying, simplifies equipment operation, and reduces labor intensity.
Smart Images
Figure CN119281450A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of medicine grinding, screening and drying devices, and in particular relates to a chemical experiment medicine grinding, screening and drying device and method. Background Art
[0002] Instruments used in chemical experiments are called chemical instruments. They can measure materials or react with them. They are mainly divided into measuring instruments and reaction instruments. Instruments are combined in a specific way to form a device to achieve the experimental purpose. Common chemical instruments are divided into two categories: simple instruments and complex instruments.
[0003] In the current pharmaceutical grinding and production process in ordinary colleges and universities, the grinding work is still done by manpower. Not only is the grinding effect poor, but the ground particles are of different sizes and have poor repeatability. The grinding is done by manpower to crush and grind, and pressure is applied to the pestle cylinder. This type of grinding is inefficient and consumes a lot of physical strength of the workers. Sometimes the medicine is too hard and cannot even be completed by manpower. At the same time, after grinding, another set of equipment is used to screen and another set of equipment is used to dry. This is troublesome and laborious. In view of this, the present invention is proposed. Summary of the Invention
[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a chemical laboratory drug grinding, screening and drying device and method that can overcome the above problems or at least partially solve the above problems.
[0005] To solve the above technical problems, the present invention adopts a technical solution with the following basic concept: a chemical laboratory reagent grinding, screening and drying device and method, comprising a chemical reagent box, a handle button fixedly mounted on the top of the chemical reagent box, a cover plate fixedly connected to the bottom of the handle button, a grinding mechanism and a drying mechanism disposed inside the chemical reagent box, and a screening mechanism disposed on the periphery of the chemical reagent box; wherein the cover plate further comprises a support and shock-absorbing spring to support the chemical reagent box and prevent deformation of the chemical reagent box; a first sub-screening layer for collecting chemicals to be ground; a second sub-screening layer for collecting and screening the chemicals ground by the first sub-screening layer; sub-screening holes for conveying chemicals on the first and second sub-screening layers to the next layer; a squeezing plate for squeezing chemicals inside the first sub-screening layer; a collection layer for centrally collecting chemicals screened by the first and second sub-screening layers; an observation chamber disposed at the bottom of the chemical reagent box; an observation hole for observing the drying status of the chemicals inside the chemical reagent box; and a collection hole for drying the chemicals screened by the first and second sub-screening layers and entering the observation chamber through the collection hole.
[0006] Furthermore, the grinding mechanism includes: a central gear, which is rotated by the power set inside the chemical box; three groups of driven gears are set on the periphery of the central gear and are rotated by the power provided by the central gear; a fixed shaft, which is fixedly connected to the center of the driven gear; a triangular bracket, which is fixedly connected to the fixed shaft on the driven gear; and a grinding roller, which squeezes the extrusion plate and is fixedly connected to the triangular bracket.
[0007] Furthermore, the drying mechanism includes: a triangular base, which is fixedly connected to the bottom of the chemical box and has a triangular shape; a triangular slide, which is opened inside the triangular base and has a triangular shape; a rolling gear, which is slidably connected inside the triangular slide, and three groups are arranged on the triangular base; a drying trough, which is arranged on the top of the rolling gear, and the drying trough can be directly observed through the observation hole, and the collecting hole and the drying trough are connected to each other; and the material of the drying trough is high-temperature resistant glass; a drying shaft gear, which provides a heat source for the drying mechanism and engages the rolling gear at the same time; a circular slide, which engages with the rolling gear and surrounds the periphery of the drying shaft gear; a limiting plate, which is arranged inside the triangular slide; a limit spring, one end of the limit spring is fixedly connected to the limiting plate, and the end of the limit spring away from the limiting plate is fixedly connected to the triangular base.
[0008] Furthermore, the screening mechanism includes: a support plate, which is fixedly connected to the chemical box; a support frame, which provides stability for the screening mechanism; a central axis, which provides power for the screening mechanism; an eccentric gravity block, which swings back and forth on the central axis, and the eccentric gravity block is made of heavy metal; a connecting shaft, which fixes the three groups of support frames arranged on the support plate to each other; a swinging bracket, which strikes the first sub-screening layer and the second sub-screening layer; and a synchronous bracket, which fixes the three groups of swinging brackets to each other.
[0009] Furthermore, a chemical experiment drug grinding, screening and drying device, the grinding, screening and drying method comprises the following steps: S1: grinding; The chemicals are lifted up through the handle button on the chemical box, and the handle button drives the cover to open, and then the chemicals are placed between the extrusion plate and the chemical box. When the cover is closed, the power supply inside the chemical box starts to start, and the central gear starts to rotate, driving the three sets of driven gears set on the periphery to rotate. The driven gear drives the fixed shaft and the central gear outside the triangular bracket to rotate. The triangular bracket also drives the grinding roller to squeeze the extrusion plate, and the extrusion plate squeezes the chemicals. After the three sets of grinding rollers fully contact the extrusion plate, the grinding roller continues to roll and squeeze the extrusion plate under the continued rotation of the central gear. While the chemicals continue to shrink, the grinding roller continues to squeeze the extrusion plate until the chemicals are crushed and pass through the sub-sieve holes to reach the first sub-sieve layer, thereby achieving the goal of grinding the chemicals.
[0010] Furthermore, the grinding, screening and drying method further comprises the following steps: S2: screening; After the ground chemicals reach the first sub-screening layer, the central shaft starts to rotate, and at the same time drives the swing bracket and the eccentric gravity block to rotate. When the eccentric gravity block rotates, the screening mechanism as a whole shakes due to the eccentricity of gravity. Due to the connection between the support bracket and the first sub-screening layer and the second sub-screening layer, the first sub-screening layer and the second sub-screening layer are driven to shake as a whole. Under the action of the synchronous bracket, the three groups of swing brackets swing at the same time, which has the effect of hitting the first sub-screening layer and the second sub-screening layer, and the smaller chemical particles on the first sub-screening layer pass through the sub-screening holes to the surface of the second sub-screening layer, and the smaller qualified chemicals on the second sub-screening layer pass through the sub-screening holes to the collecting layer. At the same time, due to the support shock-absorbing springs arranged on the chemical box, the first sub-screening layer and the second sub-screening layer can be restored to their positions after each shake, thereby achieving the purpose of screening the chemicals.
[0011] Furthermore, the grinding, screening and drying method further comprises the following steps: S3: drying; When the chemicals reach the collection layer, they pass through the collection holes and reach the inside of the drying trough. The drying shaft gear starts to rotate and dissipate heat, driving the three sets of rolling gears arranged on the periphery to slide in the triangular chute arranged on the triangular base. After one end of the rolling gear contacts the limiting plate next to the limit spring, the limiting plate at the other end begins to tilt up, pushing the rolling gear at the other end onto the circular chute, so that the drying trough is continuously flipped and dried in the triangular chute and the circular chute, effectively avoiding the effect of direct heating and drying that is easy to crystallize. The user can observe the drying status of the chemicals inside through the observation hole.
[0012] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: while the chemicals are continuously shrinking, the grinding roller continues to squeeze the extrusion plate until the chemicals are crushed and pass through the sub-sieve holes to reach the first sub-sieve layer, thereby achieving the effect of grinding the chemicals.
[0013] Smaller qualified chemicals on the second sub-screen layer pass through the sub-screen holes and reach the collection layer. At the same time, due to the support and shock-absorbing springs set on the chemical box, the first sub-screen layer and the second sub-screen layer can be restored to their positions after each shaking, thereby achieving the effect of effective screening of chemicals.
[0014] The rolling gear at the other end is pushed onto the circular chute, causing the drying trough to continuously flip and dry in the triangular chute and the circular chute, effectively avoiding the crystallization caused by direct heating and drying. Users can observe the drying effect of the chemicals inside through the observation hole.
[0015] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In the attached figure: Figure 1 This is a front view schematic diagram of a chemical experiment drug grinding, screening and drying device and method proposed by the present invention; Figure 2 This is a schematic top view of the structure of a chemical experiment drug grinding, screening and drying device and method proposed by the present invention; Figure 3 This is a schematic cross-sectional view of a chemical experiment drug grinding, screening and drying device and method proposed by the present invention; Figure 4 This is a schematic structural diagram of the grinding mechanism and its connections in a chemical laboratory drug grinding, screening and drying device and method proposed by the present invention; Figure 5 This is a structural diagram of the drying mechanism and its connection with the grinding mechanism and its observation chamber in a chemical experiment drug grinding, screening and drying device and method proposed by the present invention; Figure 6 This is a structural diagram of the drying mechanism and its connections in a chemical laboratory drug grinding, screening and drying device and method proposed by the present invention; Figure 7 The present invention proposes a chemical experiment drug grinding, screening and drying device and method Figure 6 A is an enlarged schematic diagram of the structure; Figure 8 This is a structural schematic diagram of the screening mechanism and its connections in a chemical laboratory drug grinding, screening and drying device and method proposed by the present invention.
[0017] In the figure: 1. Chemical box; 2. Hand button; 3. Cover plate; 31. Support shock-absorbing spring; 32. First sub-screening layer; 33. Second sub-screening layer; 34. Sub-screening hole; 35. Extrusion plate; 36. Collecting layer; 37. Observation chamber; 38. Observation hole; 39. Collecting hole; 4. Grinding mechanism; 41. Center gear; 42. Driven gear; 43. Fixed shaft; 44. Triangular bracket; 45. Grinding roller; 5. Drying mechanism; 51. Triangular base; 52. Triangular chute; 53. Rolling gear; 54. Drying trough; 55. Drying shaft gear; 56. Circular chute; 57. Limiting plate; 58. Limiting spring; 6. Screening mechanism; 61. Support plate; 62. Support frame; 63. Center shaft; 64. Eccentric gravity block; 65. Connecting shaft; 66. Swinging bracket; 67. Synchronous bracket. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention. Example 1:
[0019] Reference Figure 1-Figure 3 In one embodiment, a chemical experiment drug grinding, screening and drying device and method includes a chemical drug box 1, a portable button 2 is fixedly installed on the top of the chemical drug box 1, and a cover plate 3 is fixedly connected to the bottom of the portable button 2. A grinding mechanism 4 and a drying mechanism 5 are provided inside the chemical drug box 1, and a screening mechanism 6 is provided on the periphery of the chemical drug box 1; wherein the cover plate 3 also includes: a support shock-absorbing spring 31, which supports the chemical drug box 1 and prevents the chemical drug box 1 from deformation; a first sub-screening layer 32, which collects the chemicals to be ground; a second sub-screening layer 33, which collects the chemicals ground by the first sub-screening layer 32 The chemicals are collected and screened again; the sub-screen holes 34 transport the chemicals on the first sub-screen layer 32 and the second sub-screen layer 33 to the next layer; the extrusion plate 35 squeezes the chemicals inside the first sub-screen layer 32; the collection layer 36 collects the chemicals screened by the first sub-screen layer 32 and the second sub-screen layer 33; the observation chamber 37 is set at the bottom of the chemical box 1; the observation hole 38 is used to observe the drying status of the internal chemicals; the collection hole 39 is used to dry the chemicals after screening the first sub-screen layer 32 and the second sub-screen layer 33 through the collection hole 39 to the inside of the observation chamber 37.
[0020] Reference Figure 1-Figure 4 In one embodiment, a chemical laboratory drug grinding, screening and drying device and method includes: a central gear 41, which is rotated by the power set inside the chemical box 1; three groups of driven gears 42 are set on the periphery of the central gear 41 and are rotated by the power provided by the central gear 41; a fixed shaft 43 is fixedly connected to the center of the driven gear 42; a triangular bracket 44 is fixedly connected to the fixed shaft 43 on the driven gear 42; a grinding roller 45 squeezes the extrusion plate 35 and is fixedly connected to the triangular bracket 44.
[0021] The chemicals are lifted by the hand button 2 provided on the chemical box 1, and the hand button 2 drives the cover 3 to open, and then the chemicals are placed between the extrusion plate 35 and the chemical box 1. When the cover 3 is closed, the power supply inside the chemical box 1 starts to start, and the central gear 41 starts to rotate to drive the three sets of driven gears 42 provided on the periphery to rotate. The driven gears 42 drive the fixed shaft 43 and the central gear 41 outside the triangular bracket 44 to rotate. The triangular bracket 44 also drives the grinding roller 45 to squeeze the extrusion plate 35, and the extrusion plate 35 squeezes the chemicals. After the three sets of grinding rollers 45 fully contact the extrusion plate 35, the grinding roller 45 continues to roll and squeeze the extrusion plate 35 under the continued rotation of the central gear 41. As the chemicals continue to shrink, the grinding roller 45 continues to squeeze the extrusion plate 35 until the chemicals are crushed and pass through the sub-sieve holes 34 to reach the first sub-sieve layer 32, thereby achieving the effect of grinding the chemicals.
[0022] Reference Figure 1-Figure 7 In one embodiment, a chemical laboratory drug grinding, screening and drying device and method includes: a triangular base 51, which is fixedly connected to the bottom of the chemical box 1 and has a triangular shape; a triangular chute 52, which is opened inside the triangular base 51 and has a triangular shape; a rolling gear 53, which is slidably connected inside the triangular chute 52, and three groups of rolling gears 53 are provided on the triangular base 51; a drying trough 54, which is provided on the top of the rolling gear 53 and can be directly observed through the observation hole 38, and the collection hole 39 is connected to the drying trough 54; and the material of the drying trough 54 is high-temperature resistant glass; a drying shaft gear 55, which provides a heat source for the drying mechanism 5 while meshing with the rolling gear 53; a circular chute 56, which is meshed with the rolling gear 53 and surrounds the periphery of the drying shaft gear 55; a limiting plate 57, which is provided inside the triangular chute 52; a limit spring 58, one end of the limit spring 58 is fixedly connected to the limiting plate 57, and the end of the limit spring 58 away from the limiting plate 57 is fixedly connected to the triangular base 51.
[0023] After the ground chemicals reach the first sub-screen layer 32, the central shaft 63 starts to rotate, simultaneously driving the swing bracket 66 and the eccentric gravity block 64 to rotate. As the eccentric gravity block 64 rotates, the screening mechanism 6 as a whole shakes due to the eccentricity of gravity. Due to the connection between the support bracket 62 and the first sub-screen layer 32 and the second sub-screen layer 33, the first and second sub-screen layers 32 and 33 shake as a whole. Under the action of the synchronization bracket 67, the three sets of swing brackets 66 swing simultaneously, striking the first and second sub-screen layers 32 and 33. Smaller chemical particles on the first sub-screen layer 32 pass through the sub-screen holes 34 and reach the surface of the second sub-screen layer 33. Smaller qualified chemical particles on the second sub-screen layer 33 pass through the sub-screen holes 34 and reach the collection layer 36. At the same time, due to the support and shock-absorbing spring 31 provided on the chemical box 1, the first and second sub-screen layers 32 and 33 can be restored to their original positions after each shake, thereby achieving the effect of effectively screening the chemicals.
[0024] Reference Figures 1-8 In one embodiment, a chemical experimental drug grinding, screening and drying device and method include: a support plate 61, the support plate 61 is fixedly connected to the chemical drug box 1; a support frame 62, which provides stability for the screening mechanism 6; a central shaft 63, which provides power to the screening mechanism 6; an eccentric gravity block 64, which swings back and forth on the central shaft 63, and the eccentric gravity block 64 is made of heavy metal; a connecting shaft 65, which fixes the three groups of support frames 62 set on the support plate 61 to each other; a swing bracket 66, which strikes the first sub-screening layer 32 and the second sub-screening layer 33; and a synchronous bracket 67, which fixes the three groups of swing brackets 66 to each other.
[0025] After the chemicals reaching the collection layer 36 pass through the collection hole 39 and reach the inside of the drying tank 54, the drying shaft gear 55 starts to rotate and dissipate heat, driving the three sets of rolling gears 53 arranged on the periphery to slide in the triangular slide 52 set on the triangular base 51. After one end of the rolling gear 53 contacts the limiting plate 57 near the limit spring 58, the limiting plate 57 at the other end begins to tilt, pushing the rolling gear 53 at the other end onto the circular slide 56, so that the drying tank 54 is continuously flipped and dried in the triangular slide 52 and the circular slide 56, effectively avoiding the effect of direct heating and drying that is easy to crystallize. The user can observe the drying effect of the internal chemicals through the observation hole 38. Example 2:
[0026] Reference Figures 1-8 A chemical experiment drug grinding, screening and drying device and method is basically the same as Example 1, and further: S1: grinding; The chemicals are lifted by the hand button 2 provided on the chemical box 1, and the hand button 2 drives the cover 3 to open, and then the chemicals are placed between the extrusion plate 35 and the chemical box 1. When the cover 3 is closed, the power supply inside the chemical box 1 starts to start, and the central gear 41 starts to rotate to drive the three sets of driven gears 42 provided on the periphery to rotate. The driven gears 42 drive the fixed shaft 43 and the central gear 41 outside the triangular bracket 44 to rotate. The triangular bracket 44 also drives the grinding roller 45 to squeeze the extrusion plate 35, and the extrusion plate 35 squeezes the chemicals. After the three sets of grinding rollers 45 fully contact the extrusion plate 35, the grinding roller 45 continues to roll and squeeze the extrusion plate 35 under the continued rotation of the central gear 41. As the chemicals continue to shrink, the grinding roller 45 continues to squeeze the extrusion plate 35 until the chemicals are crushed and pass through the sub-sieve holes 34 to reach the first sub-sieve layer 32, thereby achieving the effect of grinding the chemicals.
[0027] S2: screening; After the ground chemicals reach the first sub-screen layer 32, the central shaft 63 starts to rotate, simultaneously driving the swing bracket 66 and the eccentric gravity block 64 to rotate. As the eccentric gravity block 64 rotates, the screening mechanism 6 as a whole shakes due to the eccentricity of gravity. Due to the connection between the support bracket 62 and the first sub-screen layer 32 and the second sub-screen layer 33, the first and second sub-screen layers 32 and 33 shake as a whole. Under the action of the synchronization bracket 67, the three sets of swing brackets 66 swing simultaneously, striking the first and second sub-screen layers 32 and 33. Smaller chemical particles on the first sub-screen layer 32 pass through the sub-screen holes 34 and reach the surface of the second sub-screen layer 33. Smaller qualified chemical particles on the second sub-screen layer 33 pass through the sub-screen holes 34 and reach the collection layer 36. At the same time, due to the support and shock-absorbing spring 31 provided on the chemical box 1, the first and second sub-screen layers 32 and 33 can be restored to their original positions after each shake, thereby achieving the effect of effectively screening the chemicals.
[0028] S3: drying; After the chemicals reaching the collection layer 36 pass through the collection hole 39 and reach the inside of the drying tank 54, the drying shaft gear 55 starts to rotate and dissipate heat, driving the three sets of rolling gears 53 arranged on the periphery to slide in the triangular slide 52 set on the triangular base 51. After one end of the rolling gear 53 contacts the limiting plate 57 near the limit spring 58, the limiting plate 57 at the other end begins to tilt, pushing the rolling gear 53 at the other end onto the circular slide 56, so that the drying tank 54 is continuously flipped and dried in the triangular slide 52 and the circular slide 56, effectively avoiding the effect of direct heating and drying that is easy to crystallize. The user can observe the drying effect of the internal chemicals through the observation hole 38.
[0029] In the present invention, while the chemicals are continuously reduced, the grinding roller 45 continues to squeeze the extrusion plate 35 until the chemicals are crushed and pass through the sub-sieve holes 34 to reach the first sub-sieve layer 32, thereby achieving the effect of grinding the chemicals.
[0030] Smaller qualified chemicals on the second sub-screen layer 33 pass through the sub-screen holes 34 and reach the collection layer 36. At the same time, due to the support shock-absorbing spring 31 provided on the chemical box 1, the first sub-screen layer 32 and the second sub-screen layer 33 can be restored to their positions after each shaking, thereby achieving the effect of effectively screening the chemicals.
[0031] The rolling gear 53 at the other end is pushed onto the circular chute 56, so that the drying tank 54 is continuously turned and dried in the triangular chute 52 and the circular chute 56, effectively avoiding the effect of direct heating and drying that is easy to crystallize. The user can observe the drying effect of the chemicals inside through the observation hole 38.
[0032] The above description is merely a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as above with the preferred embodiment, it is not intended to limit the present invention.
Claims
1. A chemical experiment drug grinding, screening and drying device, characterized in that: The chemical box (1) comprises a hand-held button (2) fixedly mounted on the top of the chemical box (1), a cover plate (3) fixedly connected to the bottom of the hand-held button (2), a grinding mechanism (4) and a drying mechanism (5) arranged inside the chemical box (1), and a screening mechanism (6) arranged on the periphery of the chemical box (1); The cover plate (3) further comprises: A support damping spring (31) supports the chemical box (1) and prevents the chemical box (1) from deforming; The first sub-screen layer (32) collects chemicals to be ground; The second sub-screening layer (33) collects and screens the chemicals ground in the first sub-screening layer (32) again; The sub-screen holes (34) are used to transport the chemicals on the first sub-screen layer (32) and the second sub-screen layer (33) to the next layer; An extrusion plate (35) is used to extrude the chemicals inside the first sub-screen layer (32); A collecting layer (36) for centrally collecting the chemicals screened by the first sub-screening layer (32) and the second sub-screening layer (33); An observation chamber (37) is arranged at the bottom of the chemical box (1); Observation hole (38) for observing the drying status of internal chemicals; The collecting hole (39) allows the chemicals screened by the first sub-screen layer (32) and the second sub-screen layer (33) to pass through the collecting hole (39) and reach the interior of the observation chamber (37) for drying.
2. A chemical experiment drug grinding, screening and drying device according to claim 1, characterized in that: The grinding mechanism (4) comprises: A central gear (41) is rotated by a power provided inside the chemical box (1); Three groups of driven gears (42) are arranged on the periphery of the central gear (41) and are rotated by the power provided by the central gear (41); A fixed shaft (43) fixedly connected to the center of the driven gear (42); A triangular bracket (44) fixedly connected to the fixed shaft (43) on the driven gear (42); The grinding roller (45) extrude the extrusion plate (35) and is fixedly connected to the triangular bracket (44).
3. A chemical experiment drug grinding, screening and drying device according to claim 1, characterized in that: The drying mechanism (5) comprises: A triangular base (51) is fixedly connected to the bottom of the chemical box (1) and has a triangular shape; A triangular chute (52) is provided inside the triangular base (51) and has a triangular shape; Rolling gears (53) are slidably connected inside the triangular slide groove (52), and three groups of rolling gears (53) are arranged on the triangular base (51); A drying tank (54) is arranged on the top of the rolling gear (53), and the drying tank (54) can be directly observed through the observation hole (38), and the collection hole (39) and the drying tank (54) are connected to each other; and the material of the drying tank (54) is high temperature resistant glass; A drying shaft gear (55) provides a heat source for the drying mechanism (5) and simultaneously performs meshing motion on the rolling gear (53); A circular slide groove (56) meshingly connected with the rolling gear (53) and surrounding the periphery of the drying shaft gear (55); A limiting plate (57) is arranged inside the triangular slide groove (52); A limit spring (58), one end of the limit spring (58) being fixedly connected to the limit plate (57), and one end of the limit spring (58) being away from the limit plate (57) being fixedly connected to the triangular base (51).
4. The chemical experiment drug grinding, screening and drying device according to claim 1 is characterized in that: The screening mechanism (6) comprises: A support plate (61), the support plate (61) being fixedly connected to the chemical box (1); A support frame (62) providing stability for the screening mechanism (6); A central shaft (63) for providing power to the screening mechanism (6); The eccentric gravity block (64) swings back and forth on the central axis (63), and the eccentric gravity block (64) is made of heavy metal; A connecting shaft (65) is used to mutually and fixedly connect the three groups of support frames (62) provided on the support plate (61); Swinging the bracket (66) to strike the first sub-screen layer (32) and the second sub-screen layer (33); The synchronous bracket (67) is used to mutually and fixedly connect the three groups of swing brackets (66).
5. A method for grinding, screening and drying chemical experimental drugs, applied to a chemical experimental drug grinding, screening and drying device as claimed in any one of claims 1 to 4, characterized in that: The grinding, screening and drying method comprises the following steps: S1: grinding; The chemical is lifted up by pressing the hand button (2) provided on the chemical box (1), and the hand button (2) drives the cover (3) to open. Then, the chemical is placed between the extrusion plate (35) and the chemical box (1), and the cover (3) is closed. At this time, the power supply inside the chemical box (1) starts to start, and the central gear (41) starts to rotate, driving the three sets of driven gears (42) provided on the periphery to rotate. The driven gears (42) drive the fixed shaft (43) and the central gear (41) on the periphery of the triangular bracket (44) to rotate. The triangular bracket (44) ) and drives the grinding roller (45) to extrude the extrusion plate (35), and the extrusion plate (35) extrude the chemical. After the three groups of grinding rollers (45) fully contact the extrusion plate (35), the grinding roller (45) continues to roll and extrude the extrusion plate (35) under the continuous rotation of the central gear (41). While the chemical is continuously reduced, the grinding roller (45) continues to extrude the extrusion plate (35) until the chemical is crushed and passes through the sub-sieve holes (34) to reach the first sub-sieve layer (32), thereby achieving the grinding of the chemical.
6. A method for grinding, screening and drying chemical experimental drugs according to claim 5, characterized in that: The grinding, screening and drying method further comprises the following steps: S2: screening; After the ground chemical reaches the first sub-screen layer (32), the central shaft (63) starts to rotate, and at the same time drives the swing bracket (66) and the eccentric gravity block (64) to rotate. When the eccentric gravity block (64) rotates, the sieving mechanism (6) as a whole shakes due to the eccentricity of gravity. Due to the connection between the support frame (62) and the first sub-screen layer (32) and the second sub-screen layer (33), the first sub-screen layer (32) and the second sub-screen layer (33) shake as a whole. Under the action of the synchronous bracket (67), the swing bracket (66) and the three sets of swing brackets ( 66) is swung at the same time to strike the first sub-screen layer (32) and the second sub-screen layer (33), so that smaller chemical particles on the first sub-screen layer (32) pass through the sub-screen holes (34) to reach the surface of the second sub-screen layer (33), and smaller qualified chemicals on the second sub-screen layer (33) pass through the sub-screen holes (34) to reach the collection layer (36). At the same time, due to the support shock-absorbing spring (31) provided on the chemical box (1), the first sub-screen layer (32) and the second sub-screen layer (33) can be restored to their positions after each shaking, thereby achieving the purpose of screening the chemicals.
7. A method for grinding, screening and drying chemical experimental drugs according to claim 5, characterized in that: The grinding, screening and drying method further comprises the following steps: S3: drying; When the chemicals reaching the collection layer (36) pass through the collection hole (39) and reach the inside of the drying trough (54), the drying shaft gear (55) starts to rotate and dissipate heat, driving the three sets of rolling gears (53) arranged on the periphery to slide in the triangular slide groove (52) arranged on the triangular base (51). After one end of the rolling gear (53) contacts the limiting plate (57) next to the limit spring (58), the limiting plate (57) at the other end starts to tilt up, pushing the rolling gear (53) at the other end onto the circular slide groove (56), so that the drying trough (54) is continuously turned over and dried in the triangular slide groove (52) and the circular slide groove (56), effectively avoiding the effect of direct heating drying that is easy to crystallize. The user can observe the drying state of the chemicals inside through the observation hole (38).