Screening and stirring device for pharmacy
By introducing gears and motor-driven crushing rollers and cams to the pharmaceutical screen stirring device, the problem of drug accumulation caused by screen fixation settings is solved, and the efficiency of drug screening is significantly improved and blocked.
Patent Information
- Application Number
- CN202420107122.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-16
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-01-16
AI Technical Summary
In the existing pharmaceutical sieve stirring device, the screen fixing arrangement causes the unfinished drug raw materials to easily accumulate, affecting the screening efficiency.
A screening stirring device with crushing rollers driven by gears and motors and bumpy screens is designed. The crushing rollers are driven by gears and the screens are bumped up and down with cams and wear-resistant blocks, increasing screening efficiency and preventing clogging.
It effectively improves the screening efficiency of drug raw materials, prevents the incompletely crushed raw materials from blocking the screen, and significantly improves the screening efficiency of the device.
Smart Images
Figure CN222267240U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of drug production, in particular to a sieving and stirring device for pharmaceutical use. Background Art
[0002] Solid drug preparations account for about 70% to 80% of pharmaceutical products. The dosage forms containing solid drugs include powders, granules, capsules, tablets, powder injections, suspensions, etc. The unit operations involved include crushing, grading, mixing, granulation, drying, tableting, packaging, transportation, storage, etc. Most solid preparations require particle processing during the preparation process to improve the powder properties to meet the requirements of product quality and powder operation. Solid drug preparation products are often mixed with multiple ingredients, such as compound preparations or added pharmaceutical excipients.
[0003] Although the existing pharmaceutical screening and stirring devices can integrate the two processes of crushing and screening, saving a lot of processing time, in actual use, the screening screens in the existing pharmaceutical screening and stirring devices are mostly fixedly arranged under the crushing device without any vibration devices. Therefore, if a large amount of crushed pharmaceutical raw materials or incompletely crushed pharmaceutical raw materials fall onto the screen, they are very likely to stay on the screen and cause accumulation, which greatly affects the screening of pharmaceutical raw materials.
[0004] For example, the existing Chinese patent publication number is: CN212396910U, a screening, crushing and stirring device for pharmaceutical preparation, comprising a crushing and stirring barrel and a motor, wherein a partition with a plurality of screening holes evenly arranged is provided inside the crushing and stirring barrel, and the partition separates the crushing and stirring barrel into a crushing and stirring chamber and a screening chamber, and a motor frame is installed on the top surface of the crushing and stirring barrel, and a motor with a motor shaft is installed on the motor frame.
[0005] It can be seen that the patent documents cited above also have the same problem. Although the above-mentioned device can integrate the screening, crushing, stirring and screening into one device when used, which is easy to operate, simple to use, time-saving and labor-saving, the screen in the device is fixed, so if the pharmaceutical raw materials that are not completely crushed fall onto its surface, the screen will be blocked. If used for a long time, it will cause the accumulation of pharmaceutical raw materials, making it impossible to screen the pharmaceutical raw materials normally. Utility Model Content
[0006] The utility model aims to provide a sieving and stirring device for pharmaceutical use to solve the problems raised in the background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sieving and stirring device based on pharmaceutical use, comprising a box body for installing the sieving and stirring device based on pharmaceutical use, the top surface of the box body is fixedly connected with a feed port, and a crushing roller is symmetrically rotatably connected to the upper part of the interior of the box body, one end of the two crushing rollers rotates and extends to the outside of the box body and is fixedly sleeved with gears, and the two gears are meshed with each other, and one of the gears is fixedly connected to a first motor, and strip holes and slide grooves are respectively provided on opposite sides of the interior of the box body, a screen is obliquely and slidably connected to the interior of the box body, sliders are respectively fixedly connected to the two sides of the screen, and the two sliders are respectively slidably connected to the inside of the strip holes and the slide grooves, and a second motor is fixedly installed on one side of the outer wall of the box body, and the rotating shaft of the second motor rotates and extends to the interior of the box body and is fixedly sleeved with a cam, and the lower end of the screen is fixedly connected to a wear-resistant block, and the side wall of the cam slidably fits the lower end of the wear-resistant block.
[0008] Preferably, the lower ends of the two sliding blocks are fixedly connected with telescopic rods, and a limiting cylinder is slidably sleeved on the rod wall of the telescopic rod.
[0009] Preferably, a spring is fixedly connected inside the limiting cylinder, and the top surface of the spring is fixedly connected to the lower end of the telescopic rod.
[0010] Preferably, the inner wall of the limiting cylinder is symmetrically provided with limiting grooves, and the side walls of the telescopic rod are symmetrically fixedly connected with limiting blocks.
[0011] Preferably, the two limiting blocks on the side wall of the telescopic rod are slidably connected to the inside of the two limiting grooves respectively.
[0012] Preferably, a collection box is fixedly connected to the side wall of the box body, and the collection box is sleeved on the strip-shaped hole.
[0013] Preferably, a rectangular hole is opened on the side wall of the collection box, and a collection frame is slidably connected in the rectangular hole.
[0014] Preferably, a guide plate is fixedly connected to one side of the screen close to the strip-shaped holes, and one side of the guide plate extends to the interior of the collection box.
[0015] Compared with the prior art, the technical effects and advantages of the utility model are as follows:
[0016] The sieving and stirring device based on pharmaceutical use first starts the first motor to drive one of the gears to rotate through the first motor, thereby driving the two meshing gears to rotate, and then the two grinding rollers are driven to rotate relative to each other through the two gears at the same time, and then the pharmaceutical raw materials to be processed are passed into the box through the feed port, and the raw materials are crushed by the two grinding rollers, and then the crushed raw materials will directly fall onto the surface of the screen below the box, and then the second motor is started to drive the cam fixedly sleeved at the end of its rotating shaft to rotate, and then the wear-resistant block and the screen are pushed upward by the rotation of the cam, and when the cam pushes the screen to the highest point, the screen will move downward with gravity as the cam continues to rotate, so as to drive the screen to bump up and down continuously with the continuous rotation of the cam, thereby accelerating the screening efficiency of the pharmaceutical raw materials and preventing the incompletely crushed raw materials from clogging the screen. Compared with the prior art, the device can effectively accelerate the rapid screening of the crushed pharmaceutical raw materials, thereby greatly improving the screening efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 It is a three-dimensional cross-sectional view of the box body in the utility model;
[0020] Figure 3 This is a schematic diagram of the position of the cam in the box in the utility model;
[0021] Figure 4 This is a schematic diagram of the connection of the cam, wear-resistant block and screen in the utility model;
[0022] Figure 5 It is a planar cross-sectional view of the limiting cylinder in the utility model.
[0023] Description of reference numerals:
[0024] In the figure: 1. box body; 2. feed port; 3. crushing roller; 4. gear; 5. first motor; 6. slide slot; 7. slider; 8. screen; 9. strip holes; 10. collection frame; 11. second motor; 12. cam; 13. wear-resistant block; 14. telescopic rod; 15. limit cylinder; 16. spring; 17. limit block; 18. rectangular hole; 19. collection box; 20. guide plate. DETAILED DESCRIPTION
[0025] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.
[0026] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.
[0027] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.
[0028] like Figures 1 to 5 The sieving and stirring device for pharmaceutical use shown in the figure comprises a box body 1 for mounting the sieving and stirring device for pharmaceutical use, a feed port 2 is fixedly connected to the top surface of the box body 1, crushing rollers 3 are symmetrically rotatably connected to the upper part of the interior of the box body 1, one end of the two crushing rollers 3 rotates and extends to the outside of the box body 1 and is fixedly sleeved with gears 4, and the two gears 4 are meshed with each other, and a first motor 5 is fixedly connected to one of the gears 4, and strip holes 9 and slide grooves 6 are respectively provided on opposite sides of the interior of the box body 1, a screen 8 is obliquely slidably connected to the interior of the box body 1, and sliders 7 are respectively fixedly connected to the two sides of the screen 8, and the two sliders 7 are respectively slidably connected to the inside of the strip holes 9 and the slide grooves 6, and a second motor 11 is fixedly installed on one side of the outer wall of the box body 1, and the rotating shaft of the second motor 11 rotates and extends to the interior of the box body 1 and is fixed A cam 12 is sleeved, and a wear-resistant block 13 is fixedly connected to the lower end of the screen 8. The side wall of the cam 12 slides and fits in the lower end of the wear-resistant block 13. The lower ends of the two sliders 7 are fixedly connected to a telescopic rod 14. A limiting cylinder 15 is slidably sleeved on the rod wall of the telescopic rod 14. The interior of the limiting cylinder 15 is fixedly connected with a spring 16, and the top surface of the spring 16 is fixedly connected to the lower end of the telescopic rod 14. Thanks to the arrangement of the telescopic rod 14, the limiting cylinder 15 and the spring 16 under the sliders 7 on both sides of the screen 8, when the screen 8 moves upward under the push of the cam 12, the telescopic rod 14 will stretch the spring 16. When the screen 8 loses the thrust of the cam 12, the spring 16 will pull the telescopic rod 14 and the screen 8 to return to their initial state, thereby further making the wear-resistant block 13 and the cam 12 fit together at all times.
[0029] The inner wall of the limiting cylinder 15 is symmetrically provided with limiting grooves, and the side wall of the telescopic rod 14 is symmetrically fixedly connected with limiting blocks 17. The two limiting blocks 17 on the side wall of the telescopic rod 14 are respectively slidably connected to the inside of the two limiting grooves, and the limiting blocks 17 can effectively limit the sliding direction of the telescopic rod 14.
[0030] A collecting box 19 is fixedly connected to the side wall of the box body 1, and the collecting box 19 is sleeved on the strip hole 9. A rectangular hole 18 is opened on the side wall of the collecting box 19, and a collecting frame 10 is slidably connected in the rectangular hole 18. A guide plate 20 is fixedly connected to the side of the screen 8 close to the strip hole 9, and one side of the guide plate 20 extends to the interior of the collecting box 19.
[0031] How it works
[0032] When the pharmaceutical screening and stirring device is used, the first motor 5 is first started, and one of the gears 4 is driven to rotate by the first motor 5, thereby driving the two meshing gears 4 to rotate, and then the two grinding rollers 3 inside the box body 1 are driven to rotate relative to each other through the two gears 4 at the same time, and then the pharmaceutical raw materials to be processed are introduced into the box body 1 through the feed port 2 on the top surface of the box body 1, and the raw materials are ground by the two grinding rollers 3, and then the ground raw materials will directly fall onto the surface of the screen 8 at the bottom of the box body 1, and at this time, the second motor 11 is started and the cam 12 fixedly sleeved at the end of its rotating shaft is driven to rotate by the second motor 11, and then the wear-resistant block 13 and the screen 8 slidably connected thereto are pushed upward by the rotation of the cam 12. When the wheel 12 pushes the screen 8 to the highest point, as the cam 12 continues to rotate, the screen 8 will move downward with gravity, and as the cam 12 continues to rotate, the screen 8 will be driven to bump up and down continuously. At the same time, thanks to the setting of the telescopic rod 14, the limit cylinder 15 and the spring 16 under the slider 7 on both sides of the screen 8, when the screen 8 moves upward under the push of the cam 12, the telescopic rod 14 will stretch the spring 16. When the screen 8 loses the thrust of the cam 12, the spring 16 will pull the telescopic rod 14 and the screen 8 to return to the initial state, thereby further making the wear-resistant block 13 and the cam 12 fit together at all times, thereby accelerating the screening efficiency of pharmaceutical raw materials and preventing incompletely crushed raw materials from clogging the screen 8.
[0033] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A sieving and stirring device for pharmaceutical use, comprising a housing (1) for mounting the sieving and stirring device for pharmaceutical use, characterized in that: The top surface of the box body (1) is fixedly connected to a feed port (2), the upper part of the interior of the box body (1) is symmetrically rotatably connected to crushing rollers (3), one end of the two crushing rollers (3) is rotatably extended to the outside of the box body (1) and is fixedly sleeved with gears (4), and the two gears (4) are meshed with each other, one of the gears (4) is fixedly connected to a first motor (5), the interior of the box body (1) is provided with strip holes (9) and slide grooves (6) on opposite sides, and the interior of the box body (1) is obliquely slidably connected to A screen (8), wherein two sides of the screen (8) are respectively fixedly connected with sliders (7), and the two sliders (7) are respectively slidably connected to the inside of the strip hole (9) and the slide groove (6), and a second motor (11) is fixedly installed on one side of the outer wall of the box body (1), and the rotating shaft of the second motor (11) rotates and extends to the inside of the box body (1) and is fixedly sleeved with a cam (12), and the lower end of the screen (8) is fixedly connected with a wear-resistant block (13), and the side wall of the cam (12) is slidably fitted to the lower end of the wear-resistant block (13).
2. A sieving and stirring device for pharmaceutical use according to claim 1, characterized in that: The lower ends of the two sliding blocks (7) are fixedly connected to a telescopic rod (14), and a limiting cylinder (15) is slidably sleeved on the rod wall of the telescopic rod (14).
3. A sieving and stirring device for pharmaceutical use according to claim 2, characterized in that: A spring (16) is fixedly connected to the interior of the limiting cylinder (15), and the top surface of the spring (16) is fixedly connected to the lower end of the telescopic rod (14).
4. A sieving and stirring device for pharmaceutical use according to claim 3, characterized in that: The inner wall of the limiting cylinder (15) is symmetrically provided with limiting grooves, and the side wall of the telescopic rod (14) is symmetrically fixedly connected with a limiting block (17).
5. A sieving and stirring device for pharmaceutical use according to claim 4, characterized in that: The two limiting blocks (17) on the side wall of the telescopic rod (14) are respectively slidably connected to the inside of the two limiting grooves.
6. A sieving and stirring device for pharmaceutical use according to claim 1, characterized in that: A collecting box (19) is fixedly connected to the side wall of the box body (1), and the collecting box (19) is sleeved on the strip-shaped hole (9).
7. A sieving and stirring device for pharmaceutical use according to claim 6, characterized in that: A rectangular hole (18) is provided on the side wall of the collection box (19), and a collection frame (10) is slidably connected in the rectangular hole (18).
8. A sieving and stirring device for pharmaceutical use according to claim 1, characterized in that: A guide plate (20) is fixedly connected to one side of the screen (8) close to the strip-shaped holes (9), and one side of the guide plate (20) extends to the interior of the collection box (19).