Crushing device

The pulverization device addresses excessive sample fragmentation in laboratory grinders by using a cutting mechanism within a cup to achieve controlled sample size reduction, ensuring accurate experimental outcomes and reducing dust and mechanical stress.

CN223096924UActive Publication Date: 2025-07-15JIANGSU AGRI ANIMAL HUSBANDRY VOCATIONAL COLLEGE +1
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Patent Information

Application Number
CN202421890626.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-07-15
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

The existing crusher has too high a degree of crushing the sample. Excessive crushing will affect the experimental results, and there are problems such as dust flying, easy blade stuck, not suitable for long-term work, and difficulty in dealing with soft and sticky samples.

Method used

A crushing device is designed, using a shear driving mechanism to drive the two blades for shearing movement, combined with the rotation of the cup body, to achieve continuous shearing of the sample, reduce the degree of crushing, and adjust the blade position and angle through the clamping mechanism and the rotary driving mechanism to adapt to different sample needs.

Benefits of technology

Effectively reduce the degree of crushing of samples, avoid excessive crushing, reduce dust flying, adapt to materials with low hardness, improve processing efficiency, and reduce operational risks. It is suitable for crushing of materials such as tissues and blades in laboratories.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a crushing device, which relates to the technical field of crushing and comprises a first base and a second base. A hinge part of the scissors is connected to the first base, and two blades of the scissors are arranged on one side of the first base; the shearing driving mechanism is arranged on the first base, the shearing driving mechanism is connected with the two knife handles of the scissors, and the shearing driving mechanism is used for driving the two knife edges to conduct shearing motion; the cup body is rotatably arranged on one side of the first base, the interior of the cup body is used for loading a sample to be crushed, and the two blades can be inserted into the cup body along with the movement of the first base; due to the fact that the crushing degree of the sample is reduced in a shearing mode, the sample can be processed into particles with the small particle size, the sample processing requirement in the experiment process can be met, and the experiment result is prevented from being affected.
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Description

Technical Field

[0001] The utility model belongs to the technical field of crushing, and more specifically, relates to a crushing device. Background Art

[0002] The commonly used portable high-speed crusher in existing laboratories is applicable to industries such as pharmaceuticals, chemicals, and food. It mainly includes a powder tank, a motor, a power supply, and other main structures, and is made of stainless steel. It uses the high-speed relative movement between a movable gear disk and a fixed gear disk to obtain crushing of the material to be crushed through comprehensive actions such as tooth impact, friction, and impact between samples.

[0003] Although the existing crushers can achieve crushing of samples, the mechanical damage degree to the samples is too high, and most of them become powdery. Sometimes in experiments, it is only necessary to reach a smaller particle size, and it is not necessary to reach a powdery state. Excessive crushing sometimes affects the experimental results. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a crushing device in view of the deficiencies of the existing technology, and to solve the problem that the existing crushers have too high a crushing degree on samples, and excessive crushing sometimes affects the experimental results as mentioned in the above background art. The utility model is particularly suitable for shearing and crushing of materials with low hardness such as tissues and leaves in laboratories.

[0005] In order to achieve the above purpose, the utility model provides a crushing device, which includes:

[0006] A first base;

[0007] Scissors, the hinge part of the scissors is connected to the first base, and the two blades of the scissors are arranged on one side of the first base;

[0008] A shearing drive mechanism, the shearing drive mechanism is arranged on the first base, the shearing drive mechanism is connected to the two handles of the scissors, and the shearing drive mechanism is used to drive the two blades to perform a shearing movement;

[0009] A cup body, the cup body is rotatably arranged on one side of the first base, the inside of the cup body is used to load the sample to be crushed, and the two blades can be inserted into the cup body as the first base moves.

[0010] Preferably, the crushing device further includes:

[0011] Two supports, the supports are concave, and the two supports are arranged at intervals;

[0012] A second base, the first base and the second base are respectively rotatably connected inside the two supports, and the cup body is connected to the second base;

[0013] Two rotation drive mechanisms, the two rotation drive mechanisms are respectively connected to the two supports, and the rotation parts of the two rotation drive mechanisms are respectively connected to the rotation parts of the first base and the second base.

[0014] Preferably, the crushing device further includes a linear slide rail, and the support for installing the first base is connected to the slider of the linear slide rail.

[0015] Preferably, the crushing device further includes:

[0016] A clamping mechanism, the clamping mechanism is arranged on one side of the second base, and the clamping mechanism is used for clamping the cup body;

[0017] A first driving motor, the first driving motor is connected to the other side of the second base, and the output end of the first driving motor penetrates through the second base and is connected to the middle part of the clamping mechanism.

[0018] Preferably, the shearing drive mechanism includes:

[0019] A second driving motor, the second driving motor is connected to one side of the first base, and the output end of the second driving motor penetrates through the first base;

[0020] Two shafts, the two shafts penetrate through the first base and are rotatably connected to the first base, and the second driving motor and the two shafts are arranged in a triangular layout;

[0021] Three synchronous pulleys, the three synchronous pulleys are respectively connected to the output end of the second driving motor and one ends of the two shafts;

[0022] A synchronous belt, the synchronous belt is sleeved outside the three synchronous pulleys;

[0023] Two eccentric wheels, the two eccentric wheels are respectively connected to the other ends of the two shafts;

[0024] Two connecting rods, one ends of the two connecting rods are respectively rotatably connected to the eccentric holes of the two eccentric wheels, and the other ends of the two connecting rods are respectively rotatably connected to the two tool holders.

[0025] Preferably, the rotation drive mechanism includes:

[0026] A speed reducer, the output end of the speed reducer is the rotation part;

[0027] A handle, the handle is connected to the input end of the speed reducer.

[0028] Preferably, the clamping mechanism includes:

[0029] A cup holder;

[0030] At least four clamping slats, one ends of the four clamping slats are connected to the outer periphery of the cup holder at intervals, and the cup body is clamped between the four clamping slats.

[0031] Preferably, the scissors include two blade bodies, and the two blade bodies are cross-hinged.

[0032] Preferably, the crushing device further includes a support frame, and the support for mounting the second base and the linear slide rail are both provided on the support frame.

[0033] Preferably, at least two threaded holes are provided at the bottom of the support for mounting the first base, and the crushing device further includes at least two screws, each screw is threadedly connected in one of the threaded holes, and one end of the screw can be abutted against the support frame.

[0034] The present utility model provides a crushing device, and its beneficial effects are as follows: the interior of the cup body of the crushing device is used to load the sample to be crushed, the shearing drive mechanism is used to drive the two blades to perform a shearing motion. When the two blades are inserted into the cup body along with the movement of the first base, and along with the rotation of the cup body, the two blades can continuously shear the sample that is flipped in the cup body. Since the degree of crushing of the sample is reduced by shearing, the sample can be processed into particles with a smaller particle size, meeting the requirements for sample processing during the experiment and avoiding affecting the experimental results.

[0035] Other features and advantages of the present utility model will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] By describing the exemplary embodiments of the present utility model in more detail in conjunction with the drawings, the above and other objects, features and advantages of the present utility model will become more obvious. Among them, in the exemplary embodiments of the present utility model, the same reference numerals generally represent the same components.

[0037] Figure 1 Shows a three-dimensional structural schematic diagram of a crushing device according to an embodiment of the present utility model;

[0038] Figure 2 Shows a three-dimensional structural schematic diagram of the clamping mechanism of a crushing device clamping a cup body according to an embodiment of the present utility model;

[0039] Figure 3 Shows a three-dimensional structural schematic diagram of the clamping mechanism of a crushing device not clamping a cup body according to an embodiment of the present utility model;

[0040] Figure 4 Shows a three-dimensional structural schematic diagram of a screw being locked in a crushing device according to an embodiment of the present utility model;

[0041] Figure 5 Shows a three-dimensional structural schematic diagram of a shear drive mechanism of a crushing device according to an embodiment of the present invention.

[0042] Explanation of reference numerals:

[0043] 1. First base; 2. Scissors; 3. Shear drive mechanism; 31. Second drive motor; 32. Shaft body; 33. Synchronous pulley; 34. Synchronous belt; 35. Eccentric wheel; 36. Connecting rod; 4. Cup body; 5. Support; 6. Second base; 7. Rotary drive mechanism; 71. Reducer; 72. Handle; 8. Linear slide rail; 9. Clamping mechanism; 91. Cup seat; 92. Clamping strip; 10. First drive motor; 11. Support frame; 12. Screw; 13. Computer controller. Detailed implementation manners

[0044] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0045] As Figure 1 and Figure 2 shown, the present invention provides a crushing device, and the crushing device includes:

[0046] First base 1;

[0047] Scissors 2, the hinge part of the scissors 2 is connected to the first base 1, and the two blades of the scissors 2 are arranged on one side of the first base 1;

[0048] Shear drive mechanism 3, the shear drive mechanism 3 is arranged on the first base 1, the shear drive mechanism 3 is connected to the two handles of the scissors 2, and the shear drive mechanism 3 is used to drive the two blades to perform a shearing motion;

[0049] Cup body 4, the cup body 4 is rotatably arranged on one side of the first base 1, the inside of the cup body 4 is used to load the sample to be crushed, and the two blades can be inserted into the cup body 4 as the first base 1 moves.

[0050] Specifically, to solve the problem that the existing crushers overly crush the samples, and excessive crushing sometimes affects the experimental results, the present utility model provides a crushing device. The interior of the cup body 4 of this crushing device is used to load the samples to be crushed. The shearing drive mechanism 3 is used to drive the two blades to perform a shearing motion. When the two blades insert into the cup body 4 along with the movement of the first base 1 and rotate with the cup body 4, the two blades can continuously shear the samples flipped inside the cup body 4. Since the degree of crushing of the samples is reduced by shearing, the samples can be processed into particles with a smaller particle size, meeting the requirements for sample processing during experiments and avoiding affecting the experimental results.

[0051] This crushing device can solve the problems of the existing crushers where the blades are at a distance from the bottom and it is difficult to process small amounts of samples, the problem of a large amount of dust generated after the existing crushers process the samples, and the dust is easily inhaled after opening the lid, causing greater harm to people during long-term operation, the problem that the blades of the existing crushers are easily stuck by hard objects and the motor is easily burned out, the problem that the powder crushed by the existing crushers often gets stuck at the thread of the lid, the problem that the existing crushers are not suitable for continuous long-term operation, the problem that the existing crushers are not easy to process soft and sticky samples, and the problem that the existing crushers need to check in time whether the blade rotating shaft is loose, with a relatively high risk factor.

[0052] Preferably, the crushing device further includes:

[0053] Two supports 5, the supports 5 are concave-shaped, and the two supports 5 are arranged at intervals;

[0054] A second base 6, the first base 1 and the second base 6 are respectively rotatably connected inside the two supports 5, and the cup body 4 is connected to the second base 6;

[0055] Two rotation drive mechanisms 7, the two rotation drive mechanisms 7 are respectively connected to the two supports 5, and the rotating parts of the two rotation drive mechanisms 7 are respectively connected to the rotating parts of the first base 1 and the second base 6.

[0056] Specifically, the two rotation drive mechanisms 7 can respectively drive the first base 1 and the second base 6 to rotate for adjusting the angles of the scissors 2 and the cup body 4.

[0057] Preferably, the crushing device further includes a linear slide rail 8, and the support 5 installing the first base 1 is connected to the slider of the linear slide rail 8.

[0058] Specifically, the support 5 installing the first base 1 can slide on the linear slide rail 8 for adjusting the position of the scissors 2 relative to the cup body 4.

[0059] Preferably, the crushing device further includes:

[0060] The clamping mechanism 9 is provided on one side of the second base 6, and the clamping mechanism 9 is used for clamping the cup body 4;

[0061] The first driving motor 10 is connected to the other side of the second base 6, and the output end of the first driving motor 10 penetrates through the second base 6 and is connected to the middle of the clamping mechanism 9.

[0062] Specifically, the clamping mechanism 9 is used for clamping the cup body 4, and the first driving motor 10 is used for driving the cup body 4 to rotate at a certain speed, so as to realize the turning of the sample in the cup body 4, facilitate the shearing of the sample, and improve the efficiency of sample crushing.

[0063] Such as Figure 3 and Figure 5 As shown, preferably, the shearing drive mechanism includes:

[0064] The second driving motor 31 is connected to one side of the first base 1, and the output end of the second driving motor 31 penetrates through the first base 1;

[0065] Two shafts 32 penetrate through the first base 1 and are rotatably connected to the first base 1, and the second driving motor 31 and the two shafts 32 are arranged in a triangular layout;

[0066] Three synchronous pulleys 33 are respectively connected to the output end of the second driving motor 31 and one end of the two shafts 32;

[0067] The synchronous belt 34 is sleeved outside the three synchronous pulleys 33;

[0068] Two eccentric wheels 35 are respectively connected to the other ends of the two shafts 32;

[0069] Two connecting rods 36, one ends of the two connecting rods 36 are respectively rotatably connected to the eccentric holes of the two eccentric wheels 35, and the other ends of the two connecting rods 36 are respectively rotatably connected to the two knife handles.

[0070] Specifically, the second driving motor 31 can drive the two shafts 32 to rotate under the transmission of the synchronous belt 34 and the three synchronous pulleys 33. The two shafts 32 can respectively drive the two eccentric wheels 35 to rotate. The two eccentric wheels 35 can drive the two knife handles of the scissors 2 to reciprocate under the transmission of the two connecting rods 36, and further can realize driving the two blades to perform a shearing motion.

[0071] Such as Figure 2 As shown, preferably, the rotation drive mechanism includes:

[0072] The speed reducer 71, and the output end of the speed reducer 71 is the rotating part;

[0073] The handle 72 is connected to the input end of the speed reducer 71.

[0074] Specifically, when the two handles 72 are shaken, the first base 1 and the second base 6 can be driven to rotate under the transmission of the speed reducer 71, so as to realize the angle adjustment of the scissors 2 and the cup body 4.

[0075] As Figure 3 shown, preferably, the clamping mechanism includes:

[0076] a cup holder 91;

[0077] at least four clamping strips 92, one ends of the four clamping strips 92 are connected to the outer periphery of the cup holder 91 at intervals, and the cup body 4 is clamped between the four clamping strips 92.

[0078] Specifically, the clamping strips 92 are elastic. The cup body 4 is clamped between the four clamping strips 92, and the cup body 4 can be simply unloaded and cleaned. The scissors 2 are exposed and can be wiped, so the cleaning is relatively easy.

[0079] Preferably, the scissors 2 include two blade bodies, and the two blade bodies are cross-hinged.

[0080] Preferably, the crushing device further includes a support frame 11, and the support 5 for installing the second base 6 and the linear slide rail 8 are both arranged on the support frame 11.

[0081] As Figure 4 shown, preferably, at least two threaded holes are provided at the bottom of the support 5 for installing the first base 1. The crushing device further includes at least two screws 12, and each screw 12 is threadedly connected to a threaded hole, and one end of the screw 12 can be abutted against the support frame 11.

[0082] Specifically, when the support 5 for installing the first base 1 slides to the set position, one end of the screw 12 can be abutted against the support frame 11 to fix the support 5.

[0083] Preferably, the rotation driving mechanism includes a handle 72 or a third driving motor. The handle 72 or the third driving motor is connected to the input end of the speed reducer 71. The linear slide rail 8 can be a linear driving slide rail. The crushing device further includes a computer controller 13. The computer controller 13 is provided with an electronic control screen. The computer controller 13 is electrically connected to the first driving motor 10, the second driving motor 31, the third driving motor and the linear driving slide rail. By operating the electronic control screen, the distance and angle between the cup body 4 and the scissors 2 can be adjusted.

[0084] In summary, when the crushing device of the present utility model is in use, the sample is loaded into the cup body 4, the angles of the cup body 4 and the scissors 2 are adjusted, the blades of the scissors 2 are inserted into the cup body 4, and as the cup body 4 rotates, the two blades continuously shear the sample flipped in the cup body 4. Since the degree of crushing of the sample is reduced by shearing, the sample can be processed into particles with a smaller particle size, meeting the sample processing requirements during the experiment and avoiding affecting the experimental results;

[0085] The blade position of the crushing device is adjustable, and thus samples with a smaller quantity can be processed;

[0086] The crushing device generates less static electricity during use, is not prone to causing dust to fly, and avoids being inhaled in large amounts by the operator;

[0087] The cup body 4 of the crushing device can be simply unloaded and cleaned. The blades are exposed and can be wiped, making the cleaning relatively easy.

[0088] The crushing device can process soft samples, such as fresh leaves required.

[0089] The embodiments of the present utility model have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A crushing device, characterized in that, The crushing device includes: A first base; Scissors, the hinge part of the scissors is connected to the first base, and the two blades of the scissors are arranged on one side of the first base; A shearing drive mechanism, the shearing drive mechanism is arranged on the first base, the shearing drive mechanism is connected to the two handles of the scissors, and the shearing drive mechanism is used to drive the two blades to perform a shearing motion; A cup body, the cup body is rotatably arranged on one side of the first base, the inside of the cup body is used to load the sample to be crushed, and the two blades can be inserted into the cup body as the first base moves.

2. The crushing device according to claim 1, characterized in that, The crushing device further includes: Two supports, the supports are concave in shape, and the two supports are arranged at intervals; A second base, the first base and the second base are respectively rotatably connected inside the two supports, and the cup body is connected to the second base; Two rotation drive mechanisms, the two rotation drive mechanisms are respectively connected to the two supports, and the rotation parts of the two rotation drive mechanisms are respectively connected to the rotation parts of the first base and the second base.

3. A crushing device according to claim 2, characterized in that, The crushing device further includes a linear slide rail, and the support for installing the first base is connected to the slider of the linear slide rail.

4. A crushing device according to claim 2, characterized in that, The crushing device further includes: A clamping mechanism, the clamping mechanism is arranged on one side of the second base, and the clamping mechanism is used to clamp the cup body; A first driving motor, the first driving motor is connected to the other side of the second base, and the output end of the first driving motor penetrates through the second base and is connected to the middle part of the clamping mechanism.

5. A crushing device according to claim 1, characterized in that, The shearing drive mechanism includes: A second driving motor, the second driving motor is connected to one side of the first base, and the output end of the second driving motor penetrates through the first base; Two shafts, the two shafts penetrate through the first base and are rotatably connected to the first base, and the second driving motor and the two shafts are arranged in a triangular layout; Three synchronous pulleys, the three synchronous pulleys are respectively connected to the output end of the second driving motor and one ends of the two shafts; A synchronous belt, the synchronous belt is sleeved outside the three synchronous pulleys; Two eccentric wheels, the two eccentric wheels are respectively connected to the other ends of the two shafts; Two connecting rods, one ends of the two connecting rods are respectively rotatably connected to the eccentric holes of the two eccentric wheels, and the other ends of the two connecting rods are respectively rotatably connected to the two handles.

6. A crushing device according to claim 2, wherein, The rotation drive mechanism includes: A speed reducer, the output end of the speed reducer is the rotation part; A handle, the handle is connected to the input end of the speed reducer.

7. A crushing device according to claim 4, characterized in that, The clamping mechanism includes: A cup seat; At least four clamping slats, one ends of the four clamping slats are connected to the outer periphery of the cup seat at intervals, and the cup body is clamped between the four clamping slats.

8. A crushing device according to claim 1, characterized in that, The scissors include two knife bodies, and the two knife bodies are cross-hinged and connected.

9. A crushing device according to claim 3, characterized in that, The crushing device further includes a support frame, and the support for installing the second base and the linear slide rail are both arranged on the support frame.

10. A crushing device according to claim 9, characterized in that, At least two threaded holes are provided at the bottom of the support for installing the first base, and the crushing device further includes at least two screws, each screw is threadedly connected to one of the threaded holes, and one end of the screw can be pressed against the support frame.