Raw material shearing equipment for medicine processing
By installing a rotating support member and a vertical adjustment structure on the shear mixing barrel, combined with a slurry circulation pump, the reverse rotation of the shear mixing barrel is achieved, solving the problem of uneven material dispersion caused by one-way rotation and improving mixing efficiency.
Patent Information
- Application Number
- CN202422408037.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The existing shear stirring device rotates through spiral blades rotating in one direction, resulting in uneven dispersion of materials and low mixing efficiency.
The shear stirring barrel is installed on the rotating support member, and the fixed ring gear is driven to rotate through the vertical adjustment structure and the drive member, so that the shear stirring barrel rotates in the horizontal direction opposite to the shear stirring structure, and combines with the slurry circulation pump to improve mixing uniformity.
It enhances the mixing uniformity between the slurries, improves the shear and stirring operation efficiency, and ensures the uniform dispersion of the drug raw materials.
Smart Images

Figure CN223144561U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pharmaceutical processing, in particular to a raw material shearing device for pharmaceutical processing. Background Technique
[0002] The shearing and stirring of solid pharmaceutical excipients is a common mixing process in the pharmaceutical industry, mainly used to mix solid drugs and excipients (such as fillers, binders, lubricants, etc.) evenly to prepare raw materials for granulation or direct compression. The purpose of shearing and stirring is to fully mix solid drugs and excipients through mechanical force to improve the solubility, dissolution rate and bioavailability of drugs, and at the same time reduce the particle size and particle size distribution of drugs.
[0003] However, the current shearing and stirring device usually rotates a single-direction rotating spiral blade to generate a shearing force. During the stirring process, mainly axial flow is generated, causing the material to move along the rotation direction of the spiral blade. This flow pattern may lead to uneven dispersion of the material during the stirring process and low mixing efficiency. In view of this, in-depth research on the above problems has led to the generation of this case. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a raw material shearing device for pharmaceutical processing, which solves the problems put forward in the background technique.
[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: A raw material shearing device for pharmaceutical processing includes a shearing and stirring barrel and a frame. A vertical frame is arranged on one side of the frame. A vertical adjustment structure is arranged on the vertical frame. A moving seat is arranged at the moving end of the vertical adjustment structure. A shearing and stirring structure is installed on the moving seat. A rotating support member is arranged on the frame. The shearing and stirring barrel is installed on the rotating support member. A fixed gear ring is sleeved outside the shearing and stirring barrel. A driving member is arranged on one side of the fixed gear ring. A driving gear is installed at the output end of the driving member. The driving gear meshes with the fixed gear ring. A conical aggregate hopper is arranged at the lower part of the shearing and stirring barrel. A rotating joint is connected to the lower part of the conical aggregate hopper. One end of the rotating joint is communicated with a slurry circulation pump. The outlet end of the slurry circulation pump is connected with a discharge three-way valve. One outlet of the discharge three-way valve is communicated with a liquid circulation pipe, and the other outlet is connected with a discharge pipe. The outlet end of the liquid circulation pipe faces the upper opening position of the shearing and stirring barrel.
[0006] The above vertical adjustment structure includes a lead screw module and a guiding and limiting member. The lead screw module is arranged vertically in the vertical frame. The guiding and limiting members are symmetrically arranged on both sides of the lead screw module and are respectively assembled and connected with the moving end of the lead screw module and the moving seat.
[0007] The above-mentioned guiding and limiting member includes a guide rail and a guide seat. The guide rail is arranged on the side wall of the vertical frame in the vertical direction. The guide seat is slidably sleeved on the guide rail and is respectively connected to the moving end of the lead screw module and the moving seat.
[0008] The above-mentioned shearing and stirring structure includes a driving member, a stirring shaft and a shearing cutter head. The driving member is arranged on the moving seat. The upper end of the stirring shaft is connected to the output end of the driving member, and the lower end extends into the shearing and stirring barrel. The shearing cutter head is assembled and connected to the lower end of the stirring shaft.
[0009] The above-mentioned driving member includes a driving motor, a reducer, a support and a fixed shaft. The driving motor is arranged on one side of the frame. The input end of the reducer is connected to the output end of the driving motor. The support is arranged on the frame and above the output end of the reducer. The fixed shaft is rotatably arranged in the support and is assembled and connected to the driving gear. The lower end of the fixed shaft is connected to the output end of the reducer.
[0010] The above-mentioned rotating support member includes an annular slide rail, an arc-shaped slider and an annular seat. The annular slide rail is arranged on the frame. The arc-shaped slider is slidably sleeved on the annular slide rail along the annular array. The annular seat is welded to the outer side wall of the shearing and stirring barrel and is assembled and fixed with the arc-shaped slider.
[0011] The utility model provides a raw material shearing device for pharmaceutical processing, which has the following beneficial effects: for the raw material shearing device for pharmaceutical processing, the shearing and stirring barrel is installed on the rotating support member on the frame. The pharmaceutical raw material slurry is injected into the shearing and stirring barrel. The lower part of the shearing and stirring structure on the moving seat is extended into the shearing and stirring barrel by using the vertical adjustment structure, and the slurry is sheared and dispersed by using the shearing and stirring structure. At the same time, the driving member is started, and the driving gear is driven to rotate by the driving member, and the fixed gear ring is driven to rotate, so as to realize the rotational adjustment of the shearing and stirring barrel in the horizontal direction, and make the shearing and stirring barrel rotate in the opposite direction to the shearing and stirring structure in the horizontal direction, further enhancing the mixing uniformity of the slurry in the barrel. During the operation process, the slurry circulation pump is started to pump out the bottom slurry and inject it back into the barrel from above, further improving the dispersibility of the slurry and the shearing and stirring operation efficiency. Description of the Drawings
[0012] Figure 1 It is a three-dimensional structure schematic diagram of the raw material shearing device for pharmaceutical processing described in the utility model.
[0013] Figure 2 It is a front view structure schematic diagram of the raw material shearing device for pharmaceutical processing described in the utility model.
[0014] Figure 3 It is a front view sectional structure schematic diagram of the raw material shearing device for pharmaceutical processing described in the utility model.
[0015] Figure 4 For the present utility model Figure 3 is a partial enlarged structural schematic diagram of position a.
[0016] In the figure: 1. Shearing and stirring barrel; 2. Frame; 3. Upright frame; 4. Moving seat; 5. Fixed gear ring; 6. Driving gear; 7. Conical aggregate hopper; 8. Rotating joint; 9. Slurry circulation pump; 10. Discharge three-way valve; 11. Liquid material circulation pipe; 12. Discharge pipe; 13. Lead screw module; 14. Guide rail; 15. Guide seat; 16. Driving member; 17. Stirring shaft; 18. Shearing cutter head; 19. Driving motor; 20. Reducer; 21. Support; 22. Fixed shaft; 23. Annular slide rail; 24. Arc-shaped slider; 25. Annular seat. Specific embodiments
[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0018] Embodiment: In combination with the attached drawings of the specification Figures 1-4It can be seen that the present application specifically designs a raw material shearing device for pharmaceutical processing, including a shearing and stirring barrel 1 and a frame 2. A vertical frame 3 is provided on one side of the frame 2, and a vertical adjustment structure is provided on the vertical frame 3. A moving seat 4 is provided at the moving end of the vertical adjustment structure, and a shearing and stirring structure is installed on the moving seat 4. A rotating support member is provided on the frame 2, and the shearing and stirring barrel 1 is installed on the rotating support member. A fixed gear ring 5 is sleeved outside the shearing and stirring barrel 1. A driving member is provided on one side of the fixed gear ring 5, and a driving gear 6 is installed at the output end of the driving member. The driving gear 6 meshes with the fixed gear ring 5. A conical collecting hopper 7 is provided at the lower part of the shearing and stirring barrel 1. The lower part of the conical collecting hopper 7 is connected to a rotating joint 8. One end of the rotating joint 8 is communicated with a slurry circulation pump 9. The outlet end of the slurry circulation pump 9 is connected to a discharge three-way valve 10. One outlet of the discharge three-way valve 10 is communicated with a liquid circulation pipe 11, and the other outlet is connected to a discharge pipe 12. The outlet end of the liquid circulation pipe 11 faces the upper opening position of the shearing and stirring barrel 1. The shearing and stirring barrel 1 is installed on the rotating support member on the frame 2. The pharmaceutical raw material slurry is injected into the shearing and stirring barrel 1. The lower part of the shearing and stirring structure on the moving seat 4 is extended into the shearing and stirring barrel 1 by using the vertical adjustment structure, and the slurry is sheared and dispersed by using the shearing and stirring structure. At the same time, the driving member is started, and the driving gear 6 is driven to rotate by the driving member, and the fixed gear ring 5 is driven to rotate, so as to realize the rotation adjustment of the shearing and stirring barrel 1 in the horizontal direction, so that the shearing and stirring barrel 1 rotates in the horizontal direction in the opposite direction to the shearing and stirring structure, further enhancing the mixing uniformity of the slurry in the barrel. During the operation, the slurry circulation pump 9 is started, the bottom slurry is pumped out and reinjected into the barrel from above, further improving the dispersibility of the slurry and the shearing and stirring operation efficiency.
[0019] In the specific implementation process, as a preferred setting, the above-mentioned vertical adjustment structure includes a lead screw module 13 and a guiding and limiting member. The lead screw module 13 is arranged vertically in the vertical frame 3. The guiding and limiting members are symmetrically arranged on both sides of the lead screw module 13 and are respectively assembled and connected with the moving end of the lead screw module 13 and the moving seat 4. The guiding and limiting member includes a guide rail 14 and a guide seat 15. The guide rail 14 is arranged vertically on the side wall of the vertical frame 3. The guide seat 15 is slidably sleeved on the guide rail 14 and is respectively connected with the moving end of the lead screw module 13 and the moving seat 4. The shearing and stirring structure includes a driving member 16, a stirring shaft 17 and a shearing cutter head 18. The driving member 16 is arranged on the moving seat 4. The upper end of the stirring shaft 17 is connected to the output end of the driving member 16, and the lower end extends into the shearing and stirring barrel 1. The shearing cutter head 18 is assembled and connected to the lower end of the stirring shaft 17. When in use, the lead screw module 13 drives the moving seat 4 to slide along the guide rail 14 under the cooperation of the guide seat 15, so as to realize the height adjustment of the moving seat 4 in the vertical direction, and further meet the shearing and stirring operations of liquid materials at different depths, and improve the uniformity of shearing and dispersion of pharmaceutical raw materials.
[0020] In the specific implementation process, as a preferred setting, the above driving member includes a driving motor 19, a speed reducer 20, a support 21 and a fixed shaft 22. The driving motor 19 is arranged on one side of the frame 2. The input end of the speed reducer 20 is connected to the output end of the driving motor 19. The support 21 is arranged on the frame 2 and above the output end of the speed reducer 20. The fixed shaft 22 is rotatably arranged in the support 21 and is assembled and connected with the driving gear 6. The lower end of the fixed shaft 22 is connected to the output end of the speed reducer 20. The rotation support member includes an annular slide rail 23, an arc-shaped slider 24 and an annular seat 25. The annular slide rail 23 is arranged on the frame 2. The arc-shaped slider 24 is slidably sleeved on the annular slide rail 23 along the annular array. The annular seat 25 is welded to the outer wall surface of the shearing and stirring barrel 1 and is assembled and fixed with the arc-shaped slider 24. During use, the rotation adjustment of the fixed shaft 22 is realized through the cooperation of the driving motor 19 and the speed reducer 20. When the fixed shaft 22 rotates, the driving gear 6 thereon is driven to rotate. The rotation of the driving gear 6 drives the fixed gear ring 5 and the shearing and stirring barrel 1 engaged with it to rotate synchronously. The rotation direction of the shearing and stirring barrel 1 is opposite to the shearing and stirring structure direction, which can further improve the impact shearing effect on the raw material slurry. At the same time, the arc-shaped slider 24 arranged at the lower part of the annular seat 25 is slidably matched with the annular slide rail 23, which can further ensure the rotation stability of the shearing and stirring barrel 1 and improve the safety of the overall device operation.
[0021] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A raw material shearing device for pharmaceutical processing, comprising a shearing and stirring barrel and a frame, characterized in that, On one side of the frame, there is an upright frame. A vertical adjustment structure is arranged on the upright frame. A moving seat is arranged at the moving end of the vertical adjustment structure. A shearing and stirring structure is installed on the moving seat. A rotating support member is arranged on the frame. The shearing and stirring barrel is installed on the rotating support member. A fixed gear ring is sleeved outside the shearing and stirring barrel. A driving member is arranged on one side of the fixed gear ring. A driving gear is installed at the output end of the driving member. The driving gear meshes with the fixed gear ring. A conical aggregate hopper is arranged at the lower part of the shearing and stirring barrel. A rotating joint is connected to the lower part of the conical aggregate hopper. One end of the rotating joint is communicated with a slurry circulation pump. The outlet end of the slurry circulation pump is connected to a discharge three-way valve. One outlet of the discharge three-way valve is communicated with a liquid circulation pipe, and the other outlet is connected to a discharge pipe. The outlet end of the liquid circulation pipe faces the upper opening position of the shearing and stirring barrel; The shearing and stirring structure includes a driving member, a stirring shaft and shearing cutter heads. The driving member is arranged on the moving seat. The upper end of the stirring shaft is connected to the output end of the driving member, and the lower end extends into the shearing and stirring barrel. The shearing cutter heads are assembled and connected to the lower end of the stirring shaft.
2. The raw material shearing equipment for pharmaceutical processing according to claim 1, wherein, The vertical adjustment structure includes a lead screw module and a guiding and limiting member. The lead screw module is arranged vertically in the upright frame. The guiding and limiting members are symmetrically arranged on both sides of the lead screw module and are respectively assembled and connected to the moving end of the lead screw module and the moving seat.
3. The raw material shearing equipment for pharmaceutical processing according to claim 2, wherein, The guiding and limiting member includes a guide rail and a guide seat. The guide rail is arranged on the side wall of the upright frame in the vertical direction. The guide seat is slidably sleeved on the guide rail and is respectively connected to the moving end of the lead screw module and the moving seat.
4. A raw material shearing device for pharmaceutical processing according to claim 1, characterized in that, The driving member includes a driving motor, a reducer, a support and a fixed shaft. The driving motor is arranged on one side of the frame. The input end of the reducer is connected to the output end of the driving motor. The support is arranged on the frame and is located above the output end of the reducer. The fixed shaft is rotatably arranged in the support and is assembled and connected to the driving gear. The lower end of the fixed shaft is connected to the output end of the reducer.
5. A raw material shearing device for pharmaceutical processing according to claim 1, characterized in that, The rotating support member includes an annular slide rail, an arc-shaped slider and an annular seat. The annular slide rail is arranged on the frame. The arc-shaped sliders are slidably sleeved on the annular slide rail along the annular array. The annular seat is welded to the outer side wall of the shearing and stirring barrel and is assembled and fixed to the arc-shaped slider.