Allopurinol bulk drug mixing device

By using reinforced electrical insulation rubber sheets to prevent dispersion in the allopurinol raw material mixing device, the problems of stability of the mixing device and inconvenience in replacing the stirring blades were solved, and the stirring shaft was efficiently disassembled and cleaned, improving mixing efficiency and convenience.

CN224057265UActive Publication Date: 2026-03-31HUANGSHI PHARMA CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing allopurinol raw material mixing device is not stable enough when lifting the container, which can easily lead to uneven force distribution, and the stirring blades are inconvenient to replace.

Method used

The device employs reinforced electrical insulation rubber sheets to prevent dispersion. A screw and motor drive the cover plate to move downwards, achieving a sealed connection of the stirring shaft. The transmission rod drives the stirring shaft to rotate, and positioning clamps fix the position of the mixing tank, facilitating the disassembly and cleaning of the stirring shaft.

Benefits of technology

It improves the stability and convenience of the mixing device, enables efficient disassembly and cleaning of the stirring shaft, saves energy and facilitates the replacement of the stirring blades.

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Abstract

The utility model discloses an allopurinol bulk drug mixing device which comprises a fixed base, a sliding rail is fixed on the inner side of the fixed base, the top of the sliding rail is connected with a movable base in a sliding mode, four sets of supporting sliding rods are fixed on the top of the fixed base, a lead screw is arranged between every two sets of supporting sliding rods, and the lead screw is connected with the movable base in a sliding mode. A first motor is installed at the top of the lead screw, a cross beam is fixed to the top of the supporting sliding rod, and the first motor is arranged in the cross beam. The first motor is started to drive the lead screw to rotate to drive the cover plate to move downwards, and the connecting plate on the inner side of the cover plate drives the stirring shaft to move downwards to enter the mixing tank; along with downward movement of the cover plate, a sealing ring can be in contact sealing with the mixing tank, then a second motor is started to drive a stirring shaft to rotate through a transmission rod, and raw materials in the mixing tank are mixed, so that the stirring shaft and the stirring blades are moved, more energy is saved, and the stirring shaft and the stirring blades can be replaced more conveniently.
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Description

Technical Field

[0001] This utility model relates to the field of allopurinol production technology, specifically to an allopurinol raw material mixing device. Background Technology

[0002] A purine active pharmaceutical ingredient (API) mixing device is a specialized piece of equipment used to uniformly mix purine API with excipients. It is usually equipped with a stirring rod or a stirring paddle, which stirs the materials in the container by rotation to achieve uniform mixing. The purine API mixing device may also include other auxiliary equipment, such as a sealing cap, temperature sensor, heating device, etc., to improve mixing efficiency and product quality.

[0003] A search revealed that Chinese patent document CN211537345U discloses an allopurinol raw material mixing device. This device uses a lifting mechanism to raise the mixing container to an upper mixing area, simultaneously sealing the mixing and stirring device. The stirring device's transmission mechanism causes two mixing rods to rotate in opposite directions to achieve mixing. However, the following issues remain:

[0004] When using the above-mentioned allopurinol raw material mixing device, the lifting device does not lift the mixing container stably enough. When the container is filled with raw material, it is heavy and the force is uneven when it is not placed in the center, which can easily lead to failure. In addition, it is inconvenient to replace and clean the stirring blades. Summary of the Invention

[0005] The purpose of this invention is to provide an allopurinol raw material mixing device to solve the problems of the allopurinol raw material mixing device mentioned in the background art, which cannot conveniently remove and transfer all the steamed products at once, and the spacing between each tray is not easy to adjust freely.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a reinforced electrical insulation board for preventing dispersion, comprising a fixed base, a slide rail fixed to the inner side of the fixed base, a movable base slidably connected to the top of the slide rail, four sets of support slide rods fixed to the top of the fixed base, a lead screw between two sets of support slide rods, a first motor mounted on the top of the lead screw, a crossbeam fixed to the top of the support slide rods, and the first motor located inside the crossbeam, a mixing tank mounted on the top of the movable base, positioning clamps symmetrically arranged on both sides of the bottom of the mixing tank, and a cylinder mounted on one side of the positioning clamp, the cylinder being fixedly connected to the movable base;

[0007] The mixing tank is provided with a plate-shaped cover plate on top. The cover plate is fixed with brackets at both ends near the lead screw. A stirring shaft is rotatably connected inside the mixing tank. Stirring blades are provided on the outside of the stirring shaft. A transmission rod is slidably connected to the top of the stirring shaft. A second motor is installed on the transmission rod near the top of the crossbeam, and the second motor is located inside the crossbeam.

[0008] Preferably, there are two sets of lead screws and first motors, and the rotational speeds of the two sets of lead screws and first motors are in the same direction, and the thread directions of the two sets of lead screws are in the same direction.

[0009] Preferably, a rectangular connecting plate is engaged with the inner side of the cover plate near the stirring shaft, and two sets of connecting plates are provided. A corresponding groove is provided at the connection between the cover plate and the connecting plate, and the area of ​​the groove of the cover plate is twice the area of ​​the connecting plate.

[0010] Preferably, four sets of first connecting buckles are fixed on the top surface of the cover plate near the connecting plate, and a second connecting buckle is slidably connected inside each set of first connecting buckles, and a positioning bolt is threadedly connected to the top of the second connecting buckle.

[0011] Preferably, a sealing ring is provided at the connection between the bottom of the cover plate and the mixing tank.

[0012] Preferably, a first sliding hole is provided at the connection between the bracket and the supporting slide rod, and the first sliding hole is slidably connected to the supporting slide rod; a second sliding hole is provided at the connection between the middle of the bracket and the lead screw, and the second sliding hole is threadedly connected to the lead screw.

[0013] Preferably, the cross-section of the second connecting buckle is set as a "U" shape, and the second connecting buckle is perpendicular to the first connecting buckle in the horizontal direction, and the top of the positioning bolt penetrates through the top of the first connecting buckle.

[0014] Preferably, the end of the stirring shaft near the cover plate is rotatably connected to the connecting plate, the height of the connecting plate is lower than the top surface height of the stirring shaft, and two sets of positioning frames are fixed at both ends of the top of the connecting plate.

[0015] Preferably, each of the two sets of positioning frames of the connecting plate has two sets of first connecting buckles and second connecting buckles distributed at both ends, and the second connecting buckles are inserted into the two sets of positioning frames of the connecting plate, and the distance between the two ends of the second connecting buckle is consistent with the distance between the two sets of positioning frames.

[0016] Preferably, the transmission rod has a cross-section of a "+" shape, and a transmission groove is provided at the connection between the transmission rod and the stirring shaft. The cross-sectional shape and size of the transmission groove are consistent with the shape and size of the transmission rod. The transmission rod and the stirring shaft are slidably connected through the transmission groove, and the length of the transmission rod is greater than the length of the stirring shaft.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. By starting the first motor, the lead screw rotates and moves the cover plate downward, causing the connecting plate on the inner side of the cover plate to move the stirring shaft downward and into the interior of the mixing tank. As the cover plate moves downward, the sealing ring can contact and seal with the mixing tank. Then, the second motor is started and drives the stirring shaft to rotate through the transmission rod to mix the raw materials inside the mixing tank. This method of moving the stirring shaft and stirring blades is more energy-efficient and makes it easier to replace the stirring shaft and stirring blades.

[0019] 2. The positioning clamps, driven by the cylinder, allow for the adjustment and fixation of the mixing tank's position, securing it in the center of the movable base.

[0020] 3. By rotating the positioning bolt, the second connecting buckle on the first connecting buckle is moved. After the second connecting buckle is separated from the positioning frame of the connecting plate, the fixing of the connecting plate can be released. Then, it can be slid down to separate the stirring shaft from the transmission rod. The stirring shaft can be disassembled for cleaning and replacement. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0022] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0023] Figure 3 This is a schematic diagram of the side structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the cover plate and connecting plate structure in this utility model;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the cover plate in this utility model;

[0026] Figure 6 This is a schematic diagram of the cross-sectional structure of the stirring shaft in this utility model.

[0027] In the diagram: 1. Fixed base; 101. Slide rail; 102. Supporting slide rod; 103. Crossbeam; 104. Lead screw; 105. First motor; 2. Movable base; 201. Positioning clamp; 202. Cylinder; 3. Cover plate; 301. Bracket; 302. First sliding hole; 303. Second sliding hole; 304. Sealing ring; 305. First connecting buckle; 306. Second connecting buckle; 307. Positioning bolt; 4. Mixing tank; 5. Stirring shaft; 501. Stirring blade; 502. Connecting plate; 503. Positioning frame; 504. Transmission groove; 6. Transmission rod; 601. Second motor. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0029] Example 1, please refer to Figure 1-6 This utility model provides an allopurinol raw material mixing device, including a fixed base 1, a slide rail 101, a supporting slide rod 102, a crossbeam 103, a lead screw 104, a first motor 105, a movable base 2, a positioning clamp 201, a cylinder 202, a cover plate 3, a bracket 301, a first sliding hole 302, a second sliding hole 303, a sealing ring 304, a first connecting buckle 305, a second connecting buckle 306, a positioning bolt 307, a mixing tank 4, a stirring shaft 5, a stirring blade 501, a connecting plate 502, a positioning frame 503, a transmission groove 504, and a transmission rod 6. The second motor 601 has a slide rail 101 fixed on the inner side of the fixed base 1. The top of the slide rail 101 is slidably connected to the movable base 2. The top of the fixed base 1 has four sets of support slide rods 102. A lead screw 104 is provided between two sets of support slide rods 102. There are two sets of lead screws 104 and the first motor 105. The rotational speed directions of the two sets of lead screws 104 and the first motor 105 are the same, and the thread directions of the two sets of lead screws 104 are the same. This allows the brackets 301 at both ends of the cover plate 3 to move up and down synchronously, making it easy to change the height of the cover plate 3.

[0030] Specifically, such as Figure 2 and Figure 3 As shown, a first motor 105 is installed on the top of the lead screw 104, a crossbeam 103 is fixed on the top of the support slide rod 102, and the first motor 105 is located inside the crossbeam 103. A mixing tank 4 is installed on the top of the movable base 2, and positioning clamps 201 are symmetrically arranged on both sides of the bottom of the mixing tank 4. A cylinder 202 is installed on one side of the positioning clamp 201, and the cylinder 202 is fixedly connected to the movable base 2.

[0031] Specifically, such as Figure 2 and Figure 4 As shown, the top of the mixing tank 4 is provided with a plate-shaped cover plate 3. A rectangular connecting plate 502 is engaged with the inner side of the cover plate 3 near the stirring shaft 5. There are two sets of connecting plates 502. The connection between the cover plate 3 and the connecting plate 502 is provided with a corresponding groove. The area of ​​the groove of the cover plate 3 is twice the area of ​​the connecting plate 502. In this way, the cover plate 3 can be connected to the stirring shaft 5 inside through the connecting plate 502, which also facilitates the disassembly and assembly of the stirring shaft 5.

[0032] Specifically, such as Figure 4 and Figure 5As shown, four sets of first connecting buckles 305 are fixed on the top surface of the cover plate 3 near the connecting plate 502, and a second connecting buckle 306 is slidably connected inside each set of first connecting buckles 305. The top of the second connecting buckle 306 is threaded with a positioning bolt 307. Rotating the positioning bolt 307 can fix the position of the second connecting buckle 306 and the first connecting buckle 305, which makes it easy to insert the second connecting buckle 306 into the interior of the positioning frame 503 and fix it, making it convenient for the cover plate 3 and the connecting plate 502 to be combined and fixed.

[0033] Specifically, such as Figure 4 and Figure 5 As shown, the cross-section of the second connecting buckle 306 is set as a "U" shaped structure, and the second connecting buckle 306 and the first connecting buckle 305 are vertically distributed in the horizontal direction. The top of the positioning bolt 307 penetrates the top of the first connecting buckle 305, so that the second connecting buckle 306 can be connected and combined with the positioning frames 503 at both ends of the connecting plate 502 at the same time.

[0034] Specifically, such as Figure 2 and Figure 3 As shown, a sealing ring 304 is provided at the connection between the bottom of the cover plate 3 and the mixing tank 4 to increase the sealing of the connection between the cover plate 3 and the mixing tank 4 when the cover plate 3 falls down.

[0035] Specifically, such as Figure 2 and Figure 3 As shown, brackets 301 are fixed at both ends of the cover plate 3 near the lead screw 104. A first sliding hole 302 is provided at the connection between the bracket 301 and the support slide rod 102, and the first sliding hole 302 is slidably connected to the support slide rod 102. A second sliding hole 303 is provided at the connection between the middle of the bracket 301 and the lead screw 104, and the second sliding hole 303 is threadedly connected to the lead screw 104, so that the bracket 301 can move on the support slide rod 102 when the lead screw 104 rotates.

[0036] Example 2, specifically, as follows Figure 2 , Figure 4 and Figure 6 As shown, a stirring shaft 5 is rotatably connected inside the mixing tank 4. The end of the stirring shaft 5 near the cover plate 3 is rotatably connected to the connecting plate 502. The height of the connecting plate 502 is lower than the height of the top surface of the stirring shaft 5. Two sets of positioning frames 503 are fixed at both ends of the top of the connecting plate 502. The connecting plate 502 facilitates the installation and assembly of the stirring shaft 5. Then, the positioning frames 503 can be connected to the second connecting buckle 306 of the cover plate 3 for installation and fixation, which facilitates the installation and fixation of the stirring shaft 5.

[0037] Specifically, such as Figure 4 and Figure 5As shown, each set of connecting plates 502 has two sets of first connecting buckles 305 and second connecting buckles 306 distributed at both ends of the two sets of positioning frames 503 respectively. The second connecting buckles 306 are inserted and connected to the two sets of positioning frames 503 of the connecting plate 502. The distance between the two ends of the second connecting buckles 306 is consistent with the distance between the two sets of positioning frames 503, which makes the installation and fixation of the connecting plate 502 more stable.

[0038] Specifically, such as Figure 5 and Figure 6 As shown, a stirring blade 501 is provided on the outer side of the stirring shaft 5, and a transmission rod 6 is slidably connected to the top of the stirring shaft 5. The cross-section of the transmission rod 6 is a "+" shaped structure, and a transmission groove 504 is provided at the connection between the transmission rod 6 and the stirring shaft 5. The cross-sectional shape and size of the transmission groove 504 are consistent with the shape and size of the transmission rod 6. The transmission rod 6 and the stirring shaft 5 are slidably connected through the transmission groove 504. The length of the transmission rod 6 is greater than the length of the stirring shaft 5, which facilitates the rotation of the transmission rod 6 to drive the stirring shaft 5 to rotate. The sliding between the transmission rod 6 and the stirring shaft 5 facilitates the up and down movement of the stirring shaft 5 and also facilitates the disassembly and replacement of the stirring shaft 5. A second motor 601 is installed on the top of the transmission rod 6 near the crossbeam 103, and the second motor 601 is located inside the crossbeam 103.

[0039] In this embodiment of the application, the position of the mixing tank 4 can be adjusted and fixed by the positioning clamp 201 driven by the cylinder 202, fixing the mixing tank 4 in the middle of the movable base 2. Then, the first motor 105 can be started, which can drive the lead screw 104 to rotate. When the lead screw 104 rotates, the cover plate 3 can be moved downward by the bracket 301. At this time, the stirring shaft 5 can be moved downward by the connecting plate 502 on the inner side of the cover plate 3. In this way, the stirring shaft 5 and the stirring blades 501 on the side can enter the interior of the mixing tank 4. As the cover plate 3 moves downward, the sealing ring 304 can contact and seal with the mixing tank 4. Then, the second motor 601 is started, which can drive the transmission rod 6 to rotate, which in turn drives the stirring shaft 5 to rotate, mixing the raw materials inside the mixing tank 4.

[0040] After mixing is complete, the first motor 105 can be started to rotate in reverse, which will move the stirring shaft 5 and stirring blade 501 upwards. This will remove the stirring shaft 5 and stirring blade 501 from the mixing tank 4. Then, the movable base 2 can be moved via the slide rail 101 to move the mixing tank 4. When it is necessary to disassemble the stirring shaft 5 and stirring blade 501, the positioning bolt 307 can be rotated. After rotating the positioning bolt 307, the second connecting buckle 306 on the first connecting buckle 305 can be moved. After the second connecting buckle 306 is separated from the positioning frame 503 of the connecting plate 502, the fixing of the connecting plate 502 can be released. Then, it can be slid downwards to separate the stirring shaft 5 from the transmission rod 6. The stirring shaft 5 can then be disassembled for cleaning and replacement. The replacement of the stirring shaft 5 and stirring blade 501 is more energy-efficient and convenient. This completes the use of the allopurinol raw material mixing device. It should be noted that this utility model is an allopurinol raw material mixing device, and all components are general standard parts or parts known to those skilled in the art. Its structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. In the idle areas of this device, all the aforementioned electrical components (referring to power elements, electrical components, and the compatible monitoring computer and power supply) are connected by wires. The specific connection method should refer to the working principle described above, where the electrical connections between the various electrical components are completed in sequence. The detailed connection method is a technology known in the art.

[0041] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An allopurinol bulk drug mixing device comprising a fixed base (1), characterized in that: The inner side of the fixed base (1) is fixed with a slide rail (101), the top of the slide rail (101) is slidably connected with a movable base (2), the top of the fixed base (1) is fixed with four groups of support slide poles (102), two groups of the support slide poles (102) are provided with a lead screw (104), the top of the lead screw (104) is provided with a first motor (105), the top of the support slide pole (102) is fixed with a cross beam (103), and the first motor (105) is arranged in the inside of the cross beam (103), the top of the movable base (2) is provided with a mixing tank (4), the bottom of the mixing tank (4) is symmetrically provided with a positioning clamp block (201) on both sides, and a gas cylinder (202) is arranged on one side of the positioning clamp block (201), and the gas cylinder (202) is fixedly connected with the movable base (2); The top of the mixing tank (4) is provided with a cover plate (3) of a plate structure, the two ends of the cover plate (3) near the lead screw (104) are fixedly connected with a support (301), the inside of the mixing tank (4) is rotatably connected with a stirring shaft (5), the outside of the stirring shaft (5) is provided with a stirring blade (501), the top of the stirring shaft (5) is slidably connected with a transmission rod (6), the top of the transmission rod (6) near the cross beam (103) is provided with a second motor (601), and the second motor (601) is arranged in the inside of the cross beam (103).

2. The allopurinol bulk drug mixing apparatus of claim 1, wherein: The lead screw (104) and the first motor (105) are provided with two groups, the rotating speed directions of the two groups of lead screw (104) and the first motor (105) are consistent, and the thread directions of the two groups of lead screw (104) are consistent.

3. The allopurinol bulk drug mixing apparatus of claim 1, wherein: The inside of the cover plate (3) near the stirring shaft (5) is hingedly connected with a connecting plate (502) of a rectangular structure, the cover plate (3) is provided with two groups of connecting plates (502), and corresponding grooves are formed in the connecting portions of the cover plate (3) and the connecting plate (502), the area of the groove of the cover plate (3) is twice the area of the connecting plate (502).

4. The allopurinol bulk drug mixing apparatus of claim 1, wherein: The top of the cover plate (3) near the connecting plate (502) is fixedly connected with four groups of first connecting buckles (305), a second connecting buckle (306) is slidably connected in the inside of each group of first connecting buckles (305), and a positioning bolt (307) is threadedly connected to the top of the second connecting buckle (306).

5. The allopurinol bulk drug mixing apparatus of claim 1, wherein: A sealing ring (304) is arranged at the connecting portion of the bottom of the cover plate (3) and the mixing tank (4).

6. The allopurinol bulk drug mixing apparatus of claim 1, wherein: First sliding holes (302) are formed in the connecting portions of the support (301) and the support slide pole (102), the support slide pole (102) is slidably connected with the first sliding hole (302), second sliding holes (303) are formed in the connecting portions of the middle of the support (301) and the lead screw (104), and the lead screw (104) is threadedly connected with the second sliding hole (303).

7. The allopurinol bulk drug mixing apparatus of claim 4, wherein: The cross section of the second connecting buckle (306) is arranged in a "U" type structure, the second connecting buckle (306) and the first connecting buckle (305) are vertically distributed in the horizontal direction, and the top end of the positioning bolt (307) penetrates the top of the first connecting buckle (305).

8. The allopurinol bulk drug mixing apparatus of claim 1, wherein: The stirring shaft (5) is rotatably connected to the connecting plate (502) at one end near the cover plate (3). The height of the connecting plate (502) is lower than the height of the top surface of the stirring shaft (5). Two sets of positioning frames (503) are fixed at both ends of the top of the connecting plate (502).

9. The allopurinol bulk drug mixing apparatus of claim 3, wherein: Each of the two sets of positioning frames (503) of the connecting plate (502) has two sets of first connecting buckles (305) and second connecting buckles (306) respectively distributed at both ends. The second connecting buckles (306) are inserted and connected to the two sets of positioning frames (503) of the connecting plate (502), and the distance between the two ends of the second connecting buckle (306) is consistent with the distance between the two sets of positioning frames (503).

10. The allopurinol bulk drug mixing apparatus of claim 1, wherein: The transmission rod (6) has a cross-section in the shape of a "+", and a transmission groove (504) is provided at the connection between the transmission rod (6) and the stirring shaft (5). The cross-sectional shape and size of the transmission groove (504) are consistent with the shape and size of the transmission rod (6). The transmission rod (6) and the stirring shaft (5) are slidably connected through the transmission groove (504). The length of the transmission rod (6) is greater than the length of the stirring shaft (5).

Citation Information

Patent Citations

  • Allopurinol bulk drug mixing device

    CN211537345U