Sample crushing device for tabletting method analysis

Through the combined structure of fixed blocks and movable rings and the gear worm transmission system, the problems of material particle size control and crushing and diffusion in existing devices are solved, and an automated and efficient crushing process is realized.

CN223259368UActive Publication Date: 2025-08-22秦皇岛佰工钢铁有限公司
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Patent Information

Application Number
CN202422285051.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-08-22
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

The existing tablet pressing method crushing device needs to control the particle size of the material. Too large particle size will lead to failure of crushing, and the diffusion of the powder requires manual adjustment during the crushing process, which is inconvenient to operate.

Method used

A sample crushing device for tableting method analysis is designed, using a combined structure of fixed blocks and movable rings. Through gears and worm transmission systems, the grinding and crushing of materials between the fixed blocks and movable rings is realized, the applicable particle size range is expanded, and manual adjustment is reduced through the guide structure.

Benefits of technology

It realizes that the material position is not manually adjusted, the applicable particle size range is expanded, and the crushing efficiency and effect are improved.

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Abstract

The utility model relates to the technical field of crushing devices, and discloses a sample crushing device for tabletting analysis. The sample crushing device for tableting analysis comprises a supporting frame, a connecting rod is fixedly installed above the supporting frame, a receiving hopper is fixedly installed at the lower end of the connecting rod, a fixing frame is fixedly installed in the receiving hopper, a fixing block is fixedly installed above the fixing frame, and the fixing block is fixedly installed above the fixing frame. A guide cone is fixedly installed at the top end of the fixing block, a worm is installed at the lower end of a rotating shaft of a smashing motor in a penetrating mode, the worm is driven by the smashing motor to rotate, a worm gear is driven to rotate in the opposite direction, and when materials are located above a smashing roller, the materials can be preliminarily smashed by a crankset of the rotating smashing roller; and after being crushed, the materials fall to the upper part of the guide cone under the action of gravity, and enter the space between the movable ring and the fixed block to be crushed under the guide of the guide cone, so that the applicable particle size range can be expanded.
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Description

Technical Field

[0001] The utility model relates to the technical field of crushing devices, in particular to a sample crushing device for tablet compression analysis. Background Art

[0002] Tableting is a sample preparation technique widely used in chemistry, materials science, and pharmacy, primarily for preparing solid samples for spectroscopic analysis. This method is particularly suitable for solid samples such as powders and crystals. By mixing the sample with an appropriate solid dispersant and pressing it into a thin sheet, it facilitates analysis by infrared spectroscopy, X-ray fluorescence spectroscopy, and other methods. The application of tableting is not limited to laboratory research; it also plays a vital role in industrial production and quality control.

[0003] The existing Chinese utility model patent with reference announcement number CN205517911U discloses a high-efficiency crushing device for tablet medicines using a heavy pressure method. The technical problem to be solved by the present utility model is to provide a high-efficiency crushing device for tablet medicines using a heavy pressure method. In order to solve the above technical problems, the present utility model provides such a high-efficiency crushing device for tablet medicines using a heavy pressure method, comprising a base, a bracket I, a motor I, a sector gear, a slide rail I, a slider, a spring, a rack, a slide rail II, a pressure plate, a cloth bag, a bracket II, an L-shaped bracket, a swing seat I, a swing rod, a pulley, a swing seat II, a cylinder, a connector, a fixed ring, a rope, a briquette, a crushing hopper, a motor II and a crushing roller; the slide rail I, the slide rail II, the bracket I and the bracket II are respectively installed on the base. The utility model first squeezes the medicine by the pressure plate and the briquette by a heavy pressure method, and then crushes the medicine by the crushing roller; the operation is convenient, the medicine can be crushed efficiently, time is saved, and the crushing effect is good.

[0004] Existing tablet-pressing crushing devices need to control the size of objects entering the device. If the particles are too large, they may not be crushed. At the same time, existing tablet-pressing crushing devices generally crush by roller pressing. During the crushing process, this method will diffuse to the outside of the rolling structure, requiring manual adjustment of the material position, which is very inconvenient. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the shortcomings of the existing technology, the utility model provides a sample crushing device for tablet analysis, which has the advantages of a wide applicable particle size range and no need to adjust the material position, thereby solving the above technical problems.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sample crushing device for tablet analysis, comprising: a support frame, a connecting rod fixedly installed on the upper side of the support frame, a receiving bucket fixedly installed on the lower end of the connecting rod, a fixing frame fixedly installed inside the receiving bucket, a fixing block fixedly installed on the upper side of the fixing frame, a guide cone fixedly installed on the top of the fixing block, a bearing fixedly installed inside the receiving bucket, a movable ring fixedly installed inside the bearing, a gear ring fixedly installed on the outer side of the movable ring, a guide ring fixedly installed on the upper end of the movable ring, the connecting rod A crushing tube is fixedly installed on the upper end, a connecting frame is fixedly installed on the front side of the crushing tube, a driving motor is fixedly installed inside the connecting frame, a gear is fixedly installed on the outside of the rotating shaft of the driving motor, a connecting frame is fixedly installed on the top of the crushing tube, a crushing motor is fixedly installed on the left side of the crushing tube, a fixing frame is fixedly installed on the outside of the crushing motor, a worm is fixedly installed on the lower end of the crushing motor, a limiting block is inserted through the outside of the worm, a crushing roller is inserted through the inside of the crushing tube, and worm gears are fixedly installed at both ends of the crushing roller; the receiving bucket can receive the crushed material.

[0009] As the preferred technical solution of the present invention, the top of the support frame is a ring structure, the connecting rod is installed in an "X" shape inside the support frame with the center of the support frame as the reference, and the receiving bucket is fixedly connected to the support frame through the connecting rod; the support frame can support the receiving bucket.

[0010] As an optimal technical solution of the present invention, a tooth-shaped protrusion is provided on the outer side of the fixed block, and the fixed block is a conical structure with a small upper part and a large lower part. The fixed block is fixedly connected to the receiving bucket through a fixed frame, and the height of the movable ring is greater than that of the fixed block. The movable ring is rotatably connected to the receiving bucket through a bearing; the fixed block can grind the material with the movable ring.

[0011] As an optimal technical solution of the present invention, the bearings are symmetrically installed at the upper and lower ends of the movable ring with the center of the movable ring as the reference. The movable ring is rotatably connected to the crushing tube through the upper end bearing, and the inner wall of the movable ring is provided with a toothed protrusion; the bearings can facilitate the rotation of the movable ring.

[0012] As an optimal technical solution of the present invention, the driving motor is fixedly connected to the crushing tube through a connecting frame, the gear and the gear ring are engaged with each other, and the crushing motor is fixedly connected to the crushing tube through a fixed frame; the driving motor can drive the gear to rotate.

[0013] As an optimal technical solution of the present invention, the crushing motor is installed on the left and right sides of the crushing tube in a mirror-symmetrical manner through a fixed frame, and the worm is fixed to the lower end of the rotating shaft of the crushing motor by interlacing. The worm and the limit block form a rotational connection, and one end of the limit block is fixedly connected to the crushing tube; the limit block can limit the position of the worm.

[0014] As an optimal technical solution of the present invention, toothed discs are equidistantly arranged on the outside of the crushing roller, and the crushing rollers are installed on the front and rear sides of the crushing tube in a mirror-symmetrical manner. The crushing rollers and the crushing tube are rotationally connected, the toothed discs between the crushing rollers are staggered left and right, and the worm gear and the worm are engaged with each other; the worm gear can drive the crushing roller to rotate.

[0015] Compared with the prior art, the present invention provides a sample crushing device for tablet analysis, which has the following beneficial effects:

[0016] The movable ring is symmetrically mounted on the upper and lower ends of the movable ring with the center of the movable ring as the reference, and the height of the movable ring is greater than that of the fixed block. The movable ring is rotatably connected to the receiving bucket through the bearing, and the inner wall of the movable ring is provided with a toothed protrusion, and a gear ring is fixedly mounted on the outer side of the movable ring. The gear and the gear ring are meshed with each other. The gear is driven by a driving motor to drive the gear ring to rotate the movable ring to grind the material. After primary crushing, the material will enter the space between the movable ring and the fixed block under the action of gravity and the guidance of the guide ring and the guide cone, and will be crushed as the movable ring rotates. Since the fixed block is a conical structure, the space between the fixed block and the movable ring is annular with a volume that continuously shrinks downward. In this way, during the process of crushing the material, the material will always be located between the fixed block and the movable ring before reaching the particle size requirement, thereby reducing manual adjustment during the crushing process.

[0017] 2. The utility model sets a crushing roller, and a toothed disc is equidistantly arranged on the outside of the crushing roller. The front and rear crushing rollers are installed on the front and rear sides of the crushing tube in a mirror-symmetrical manner. The crushing rollers and the crushing tube are connected in rotation. The toothed discs between the crushing rollers are staggered left and right. Worm gears are fixedly installed at both ends of the crushing rollers. The worm gear and the worm are meshed with each other. The worm is installed at the lower end of the rotating shaft of the crushing motor in an interlaced manner. The worm is driven to rotate by the crushing motor, and the worm gear is driven to rotate in the opposite direction. When the material is above the crushing roller, it will be initially crushed by the toothed disc of the rotating crushing roller. After crushing, the material will fall above the guide cone under the action of gravity, and enter between the movable ring and the fixed block under the guidance of the guide cone for crushing. This method can expand the applicable particle size range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the fixed block of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the drive motor of the utility model;

[0021] Figure 4 This is a schematic diagram of the worm installation structure of the utility model;

[0022] Among them: 1. Support frame; 11. Connecting rod; 12. Receiving bucket; 13. Fixed frame; 14. Fixed block; 15. Guide cone; 16. Bearing; 17. Movable ring; 18. Gear ring; 19. Guide ring; 2. Crushing tube; 21. Connecting frame; 22. Drive motor; 23. Gear; 24. Connecting frame; 25. Crushing motor; 26. Fixed frame; 27. Worm; 28. Limit block; 29. ​​Crushing roller; 210. Worm gear. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] See also Figure 1 - Figure 4In this embodiment, a sample crushing device for tabletting analysis includes: a support frame 1, a connecting rod 11 is fixedly installed on the top of the support frame 1, a receiving bucket 12 is fixedly installed on the lower end of the connecting rod 11, a fixing frame 13 is fixedly installed inside the receiving bucket 12, a fixing block 14 is fixedly installed above the fixing frame 13, a guide cone 15 is fixedly installed on the top of the fixing block 14, a bearing 16 is fixedly installed inside the receiving bucket 12, a movable ring 17 is fixedly installed inside the bearing 16, a gear ring 18 is fixedly installed on the outside of the movable ring 17, and a guide ring 19 is fixedly installed on the upper end of the movable ring 17.

[0027] The top of the support frame 1 is an annular structure. The connecting rod 11 is installed in the interior of the support frame 1 in an "X" shape with the center of the support frame 1 as the reference. The receiving bucket 12 is fixedly connected to the support frame 1 through the connecting rod 11.

[0028] A tooth-shaped protrusion is provided on the outside of the fixed block 14. The fixed block 14 is a conical structure with a small top and a large bottom. The fixed block 14 is fixedly connected to the receiving bucket 12 through the fixing frame 13. The height of the movable ring 17 is greater than the fixed block 14. The movable ring 17 is rotatably connected to the receiving bucket 12 through the bearing 16.

[0029] The bearings 16 are symmetrically installed at the upper and lower ends of the movable ring 17 with the center of the movable ring 17 as the reference. The movable ring 17 is rotatably connected to the crushing tube 2 through the upper end bearing 16. The inner wall of the movable ring 17 is provided with tooth-shaped protrusions.

[0030] Specifically, the support frame 1 can support the receiving bucket 12, the connecting rod 11 can connect the receiving bucket 12 and the crushing tube 2, the receiving bucket 12 can receive the crushed material, the fixed frame 13 can support the fixed block 14, the fixed block 14 can grind the material with the movable ring 17, the guide cone 15 can facilitate the material to enter between the fixed block 14 and the movable ring 17, the bearing 16 can facilitate the rotation of the movable ring 17, the gear ring 18 can drive the movable ring 17 to rotate, and the guide ring 19 can facilitate the material to enter between the movable ring 17 and the fixed block 14.

[0031] The crushing tube 2 is fixedly installed on the upper end of the connecting rod 11, and a connecting frame 21 is fixedly installed on the front side of the crushing tube 2. A driving motor 22 is fixedly installed inside the connecting frame 21, and a gear 23 is fixedly installed on the outside of the rotating shaft of the driving motor 22. A connecting frame 24 is fixedly installed on the top of the crushing tube 2, a crushing motor 25 is fixedly installed on the left side of the crushing tube 2, and a fixing frame 26 is fixedly installed on the outside of the crushing motor 25. A worm 27 is fixedly installed on the lower end of the crushing motor 25, and a limiting block 28 is inserted into the outside of the worm 27. A crushing roller 29 is inserted into the inside of the crushing tube 2, and worm wheels 210 are fixedly installed at both ends of the crushing roller 29.

[0032] The driving motor 22 is fixedly connected to the crushing tube 2 via the connecting frame 21 , the gear 23 is meshed with the gear ring 18 , and the crushing motor 25 is fixedly connected to the crushing tube 2 via the fixing frame 26 .

[0033] The crushing motor 25 is installed on the left and right sides of the crushing tube 2 in a mirror-symmetrical manner through the fixing frame 26. The worm 27 is fixed to the lower end of the rotating shaft of the crushing motor 25 by insertion. The worm 27 and the limit block 28 form a rotational connection, and one end of the limit block 28 is fixedly connected to the crushing tube 2.

[0034] Tooth discs are equidistantly arranged on the outside of the crushing roller 29. The crushing rollers 29 are installed on the front and rear sides of the crushing tube 2 in a mirror-symmetrical manner. The crushing rollers 29 and the crushing tube 2 are rotationally connected. The tooth discs between the crushing rollers 29 are staggered left and right, and the worm wheel 210 and the worm 27 are engaged with each other.

[0035] Specifically, the crushing tube 2 can limit the position of the crushing roller 29, the connecting frame 21 can limit the position of the drive motor 22, the drive motor 22 can drive the gear 23 to rotate, the gear 23 can drive the gear ring 18 to rotate, the connecting frame 24 can facilitate the material to enter between the crushing rollers 29, the crushing motor 25 can drive the worm 27 to rotate, the worm 27 can drive the worm wheel 210 to rotate, the limit block 28 can limit the position of the worm 27, the crushing roller 29 can perform preliminary crushing of the material, and the worm wheel 210 can drive the crushing roller 29 to rotate.

[0036] When in use, a tooth-shaped protrusion is provided on the outside of the fixed block 14. The fixed block 14 is a conical structure with a small upper portion and a large lower portion. The fixed block 14 is fixedly connected to the receiving bucket 12 through the fixed frame 13. At the same time, the bearing 16 is symmetrically installed on the upper and lower ends of the movable ring 17 with the center of the movable ring 17 as the reference. The height of the movable ring 17 is greater than the fixed block 14. The movable ring 17 is rotatably connected to the receiving bucket 12 through the bearing 16. The inner wall of the movable ring 17 is provided with a tooth-shaped protrusion, and a toothed ring is fixedly installed on the outer side of the movable ring 17. 18, the gear 23 and the gear ring 18 are meshed with each other, and the gear 23 is driven by the drive motor 22, which drives the gear ring 18 to rotate the movable ring 17 to grind the material. After the primary crushing, the material will enter the space between the movable ring 17 and the fixed block 14 under the action of gravity and the guidance of the guide ring 19 and the guide cone 15, and will be crushed as the movable ring 17 rotates. Since the fixed block 14 is a conical structure, the space between the fixed block 14 and the movable ring 17 is a ring with a volume that continuously shrinks downwards. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials. The present invention relates to a method for crushing materials.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sample crushing device for tablet analysis, characterized in that: include: A support frame (1) is fixedly installed on the upper part of the support frame (1), a receiving bucket (12) is fixedly installed on the lower end of the connecting rod (11), a fixing frame (13) is fixedly installed inside the receiving bucket (12), a fixing block (14) is fixedly installed above the fixing frame (13), a guide cone (15) is fixedly installed on the top of the fixing block (14), a bearing (16) is fixedly installed inside the receiving bucket (12), a movable ring (17) is fixedly installed inside the bearing (16), a gear ring (18) is fixedly installed on the outer side of the movable ring (17), a guide ring (19) is fixedly installed on the upper end of the movable ring (17), and a crushing tube (2) is fixedly installed on the upper end of the connecting rod (11). A connecting frame (21) is fixedly installed on the front side of the crushing tube (2), a driving motor (22) is fixedly installed inside the connecting frame (21), a gear (23) is fixedly installed on the outer side of the rotating shaft of the driving motor (22), a connecting frame (24) is fixedly installed on the top of the crushing tube (2), a crushing motor (25) is fixedly installed on the left side of the crushing tube (2), a fixing frame (26) is fixedly installed on the outer side of the crushing motor (25), a worm (27) is fixedly installed on the lower end of the crushing motor (25), a limiting block (28) is inserted and installed on the outer side of the worm (27), a crushing roller (29) is inserted and installed inside the crushing tube (2), and worm wheels (210) are fixedly installed on both ends of the crushing roller (29).

2. The sample crushing device for tablet analysis according to claim 1, characterized in that: The top end of the support frame (1) is an annular structure, the connecting rod (11) is installed in an "X" shape inside the support frame (1) with the center of the support frame (1) as a reference, and the receiving bucket (12) is fixedly connected to the support frame (1) via the connecting rod (11).

3. The sample crushing device for tablet analysis according to claim 1, characterized in that: The outer side of the fixed block (14) is provided with a tooth-shaped protrusion. The fixed block (14) is a conical structure with a small upper portion and a large lower portion. The fixed block (14) is fixedly connected to the receiving bucket (12) through a fixed frame (13). The height of the movable ring (17) is greater than that of the fixed block (14). The movable ring (17) is rotatably connected to the receiving bucket (12) through a bearing (16).

4. The sample crushing device for tablet analysis according to claim 1, characterized in that: The bearing (16) is symmetrically mounted on the upper and lower ends of the movable ring (17) with the center of the movable ring (17) as a reference. The movable ring (17) is rotatably connected to the crushing tube (2) through the upper end bearing (16). The inner wall of the movable ring (17) is provided with tooth-shaped protrusions.

5. The sample crushing device for tablet analysis according to claim 1, characterized in that: The driving motor (22) is fixedly connected to the crushing tube (2) via a connecting frame (21), the gear (23) and the gear ring (18) are meshed with each other, and the crushing motor (25) is fixedly connected to the crushing tube (2) via a fixing frame (26).

6. The sample crushing device for tablet analysis according to claim 1, characterized in that: The crushing motor (25) is mounted on the left and right sides of the crushing tube (2) in a mirror-symmetrical manner through a fixing frame (26); the worm (27) is fixed to the lower end of the rotating shaft of the crushing motor (25) in an interlaced manner; the worm (27) is rotationally connected to a limit block (28); and one end of the limit block (28) is fixedly connected to the crushing tube (2).

7. The sample crushing device for tablet analysis according to claim 1, characterized in that: Tooth discs are equidistantly arranged on the outer sides of the crushing rollers (29). The crushing rollers (29) are mounted on the front and rear sides of the crushing tube (2) in a mirror-symmetrical manner. The crushing rollers (29) and the crushing tube (2) are connected in rotation. The tooth discs between the crushing rollers (29) are staggered left and right. The worm wheel (210) and the worm (27) are meshed with each other.

Citation Information

Patent Citations

  • High -efficient reducing mechanism of heavy load formula tablet medicine

    CN205517911U