Laboratory universal grinder

Abstract

A universal pulverizer for laboratory use, wherein the body of the pulverizer is a hollow structure with an open top, the pulverizing bin is detachably connected to the open top of the body, a screen is provided at the bottom of the pulverizing bin, a first blade is fixedly connected to the motor shaft and rotates with the motor shaft, a second blade is provided on the inner wall of the pulverizing bin and is located above the first blade, a discharging bin is provided in the body and is located below the screen to guide the pulverized material falling off the screen out of the body, a crushing component is detachably connected to the top of the pulverizing bin, a roller spacing adjustment handle is connected to the crushing roller and adjusts the spacing between the crushing rollers, a top cover is openably covered on the top of the crushing bin, and an exhaust hole is provided through the top cover. The universal pulverizer improves the crushing effect of the pulverizer, improves the crushing efficiency, and reduces waiting time and blade wear.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory pulverization, in particular to a universal pulverizer for laboratories. Background Art

[0002] Laboratories often need to crush a lot of materials. Small universal crushers are suitable for food, mining, medicine and health, and can crush grains, medicines, minerals and ores. The crushing bin capacity of traditional universal crushers is limited. When there are more materials to crush, the crushing time is long. There is only one set of two-blade blades, the crushing effect is poor, and the blades will break when the crushed materials are hard, so the blades need to be replaced frequently.

[0003] The above information disclosed in the background technology section is only used to enhance the understanding of the background of the present invention and therefore may contain information that does not constitute the prior art known to ordinary technicians in this field. Utility Model Content

[0004] The utility model aims to provide a universal pulverizer for laboratory use, which improves the crushing effect of the pulverizer, increases the crushing efficiency, and reduces the waiting time and blade wear.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The utility model is a universal pulverizer for laboratory use, comprising:

[0007] The body is a hollow structure with an open top.

[0008] The base is located at the bottom of the body.

[0009] a motor, which is disposed in the body and supported by the base,

[0010] A crushing bin is detachably connected to the top opening of the machine body, and a screen is provided at the bottom of the crushing bin.

[0011] The motor shaft has one end connected to the motor in the machine body and the other end extending upward through the screen in the crushing bin.

[0012] The first blade is fixedly connected to the motor shaft and rotates with the rotation of the motor shaft.

[0013] The second blade is arranged on the inner wall of the crushing bin and is located above the first blade.

[0014] A discharge bin is disposed in the machine body and below the screen to discharge the crushed material falling off the screen out of the machine body.

[0015] A crushing component, which is detachably connected to the top of the crushing bin, comprises:

[0016] A crushing bin, which is detachably connected to the crushing bin,

[0017] A set of crushing rollers, which are movably arranged in the crushing chamber,

[0018] A crushing roller motor, which drives the crushing roller,

[0019] A roller spacing adjustment handle, which connects the crushing rollers and adjusts the spacing between the crushing rollers,

[0020] A feed inlet is provided in the crushing bin and above the set of crushing rollers,

[0021] A top cover is openably and closably arranged on the top of the crushing bin,

[0022] An exhaust hole is provided through the top cover.

[0023] In the universal pulverizer for laboratory use, the first blade is an S-shaped four-leaf blade, and the edge of the blade is provided with saw teeth.

[0024] In the universal pulverizer for laboratory use, the S-shaped four-leaf blade has a thickness of 3.1-3.3 mm, a blade angle of 53-56°, a back curvature of 47-49°, and a blade curvature of 75-77°.

[0025] In the universal pulverizer for laboratory use, the first blade is a centrally symmetrical structure.

[0026] In the universal pulverizer for laboratory use, the second blade is a triangular blade.

[0027] In the universal pulverizer for laboratory use, the thickness of the triangular blade is 2.5-2.8 mm.

[0028] In the universal pulverizer for laboratory use, the pulverizing chamber and the machine body, the pulverizing chamber and the crushing chamber, and the crushing chamber and the top cover are fixed respectively by buckles.

[0029] In the universal pulverizer for laboratory use, the screen is detachably connected to the pulverizing bin, and the screen has a mesh size of 20-1000.

[0030] In the universal pulverizer for laboratory use, the feed inlet is located above the gap between a group of crushing rollers.

[0031] In the universal pulverizer for laboratory use, the universal pulverizer for laboratory use has a central symmetrical structure.

[0032] In the above technical scheme, the utility model provides a universal grinder for laboratory use, which has the following beneficial effects: the crushing components of the universal grinder for laboratory use can adjust the gap according to different materials and particle size requirements, quickly crush the material blocks into small particles, improve the crushing efficiency, and reduce the blade wear; the bottom of the crushing bin is provided with a screen and a discharge bin, and the materials that meet the particle size requirements during the crushing process can be quickly discharged through the screen and the discharge bin, reducing the waiting time during crushing; the crushing components, the top cover and the crushing bin are connected by snap buckles, and the top cover is a flat-top design with a sealing ring, which can ensure the purity of the material and the fixation of the top cover. After crushing, it can be quickly replaced with the top cover to facilitate subsequent material crushing; the top cover is provided with an exhaust hole, and the exhaust hole can be opened after crushing to accelerate the cooling and exhaust of the crushing bin, thereby reducing the waiting time after crushing; the crushing blade adopts an S-shaped four-leaf blade with serrations and a triangular blade on the side wall of the crushing bin, which can increase the contact area of ​​the material, accelerate the circulation of the material during crushing, quickly crush the input material blocks, improve the crushing effect, and reduce the crushing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0034] Figure 1 It is a schematic diagram of the structure of a universal pulverizer for laboratory use according to the utility model.

[0035] Figure 2 It is a front view schematic diagram of the universal pulverizer for laboratory use of the utility model.

[0036] Figure 3 It is a schematic top view of the crushing components of the universal crusher for laboratory use of the utility model.

[0037] Figure 4 It is a top view schematic diagram of a pulverizing chamber of the universal pulverizer for laboratory use of the utility model. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0040] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0045] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0046] like Figure 1-4 As shown, in one embodiment, a universal pulverizer for laboratory use of the utility model comprises:

[0047] The body 1 is a hollow structure with an open top.

[0048] The base 2 is arranged at the bottom of the body 1.

[0049] The motor 3 is arranged in the body 1 and supported by the base 2.

[0050] The crushing bin 5 is detachably connected to the top opening of the machine body 1, and a screen 7 is provided at the bottom of the crushing bin 5.

[0051] The motor shaft 6 has one end connected to the motor 3 in the machine body 1 and the other end extending upward through the screen 7 in the crushing chamber 5.

[0052] The first blade 8 is fixedly connected to the motor shaft 6 and rotates with the motor shaft 6.

[0053] The second blade 9 is arranged on the inner wall of the crushing chamber 5 and is located above the first blade 8.

[0054] The discharge bin 4 is arranged in the machine body 1 and below the screen 7 to discharge the crushed materials falling through the screen 7 out of the machine body 1.

[0055] A crushing component, which is detachably connected to the top of the crushing bin 5, comprises:

[0056] A crushing chamber, which is detachably connected to the crushing chamber 5,

[0057] A set of crushing rollers 13, which are movably arranged in the crushing chamber,

[0058] A crushing roller motor 14, which is connected to the crushing roller 13,

[0059] The roller spacing adjustment handle 12 is connected to the crushing rollers 13 and adjusts the spacing between the crushing rollers 13.

[0060] A feed inlet 11 is provided in the crushing chamber and above the group of crushing rollers 13,

[0061] A top cover 16 is provided on the top of the crushing chamber in an openable and closable manner.

[0062] An exhaust hole 17 is formed through the top cover 16 .

[0063] In the preferred embodiment of the universal pulverizer for laboratory use, the first blade 8 is an S-shaped four-leaf blade, and its edge is provided with serrations.

[0064] In the preferred embodiment of the universal pulverizer for laboratory use, the thickness of the S-shaped four-leaf blade is 3.1-3.3 mm, the blade angle is 53-56°, the back curvature is 47-49°, and the blade curvature is 75-77°.

[0065] In the preferred embodiment of the universal pulverizer for laboratory use, the first blade 8 is a centrally symmetrical structure.

[0066] In the preferred embodiment of the universal pulverizer for laboratory use, the second blade 9 is a triangular blade.

[0067] In a preferred embodiment of the universal laboratory grinder, the thickness of the triangular blade is 2.5-2.8 mm.

[0068] In the preferred embodiment of the universal pulverizer for laboratory use, the pulverizing chamber 5 and the machine body 1 , the pulverizing chamber 5 and the crushing chamber, and the crushing chamber and the top cover 16 are fixed by buckles 10 respectively.

[0069] In a preferred embodiment of the universal pulverizer for laboratory use, the screen 7 is detachably connected to the pulverizing bin 5, and the screen 7 has a mesh size of 20-1000.

[0070] In a preferred embodiment of the universal pulverizer for laboratory use, the feed inlet 11 is located above the gap between a group of crushing rollers 13 .

[0071] In a preferred embodiment of the universal pulverizer for laboratory use, the universal pulverizer for laboratory use has a centrally symmetrical structure.

[0072] In one embodiment, the upper part of the crushing bin 5 is a crushing component. Before crushing the material, the spacing of the crushing rollers 13 can be adjusted according to the material type and particle size requirements. Then the material block is put into the feed port 11. The block material will be crushed into small particles and then enter the crushing bin 5 for crushing, so as to avoid the blade being damaged due to the hardness of the material block during crushing. At the same time, directly crushing the small particle material can also improve the crushing effect and reduce the crushing time; the bottom of the crushing bin 5 is provided with a replaceable mesh screen 7 and a discharge bin 4. When crushing, the material that meets the particle size requirements can be discharged through the screen 7 and the discharge bin 4, so as to reduce the waiting time during crushing, and the reduction of the material in the crushing bin 5 can increase the material circulation efficiency and improve the crushing effect; the crushing bin 5 is connected and fixed with the crushing component and the top cover 16 by the buckle 10. After the material block is crushed, it can be quickly replaced with the top cover 16 for crushing, and at the same time, the sealing of the crushing bin 5 and the purity of the crushed material can be ensured; the S-shaped four-leaf blade increases the material contact area, improves the crushing effect, reduces the crushing time, and improves the crushing efficiency; the second blade 9 on the side wall of the crushing bin 5 is a triangular blade, which can be combined with the lower S-shaped four-leaf blade to improve the crushing effect. The crushing bin, pulverizing bin 5, discharge bin 4 and screen 7 are made of food grade 305 stainless steel. The crushing bin has a capacity of 500 ml. The motor shaft 6 and the blade in the crushing bin 5 are fixed by fastening screws. When crushing, the motor shaft 6 drives the blade to rotate rapidly to crush the material. After the material is crushed, it is discharged from the 4 outlets of the discharge bin.

[0073] The crushing roller 13, the first and second blades are made of martensitic stainless steel, the thickness of the triangular blade is 2.5-2.8mm, the thickness of the serrated S-shaped four-leaf blade is 3.1-3.3mm, the blade angle is 53-56°, the back curvature is 47-49°, and the blade curvature is 75-77°. The blade is fixed in the crushing bin 5 by fastening screws, which is convenient for disassembly and cleaning. When the universal crusher is running, adjust the gap of the crushing roller 13 according to the requirements of the crushed material and particle size, and select a suitable screen 7 of 20-1000 mesh to install at the bottom of the crushing bin 5; pour the material block from the feed port 11, and the material amount shall not exceed two-thirds of the capacity of the crushing bin 5. After the loading is completed, open the buckle 10 and replace the top cover 16; place the receiving tray at the outlet of the discharge bin 4, plug in the power supply, turn on the switch, the crushing time is generally 3-5min, the longer the crushing time, the smaller the particle size after crushing. When the particle size requirement is high, it can be crushed for multiple times in a short time; when the rolling sound of the crushing bin 5 is relatively uniform, it means that the crushing is completed; open the exhaust port to accelerate the cooling and exhaust of the crushing bin 5. Open the buckle 10 and remove the top cover 16. Use a brush to sweep the residual material in the crushing bin 5, hold the body 1 and tilt it to pour the material into the collection tray; after the equipment is used, clean the equipment.

[0074] In one embodiment, the crushing roller motor 14 drives a pair of crushing rollers 13 to rotate in opposite directions via a transmission belt 15 at the same time.

[0075] In one embodiment, the laboratory universal pulverizer comprises a body 1, the bottom of the body is a base 2, there is an upwardly mounted motor 3 inside the body, the side of the body is a discharge bin 4, the upper part is a crushing bin 5, a motor shaft 6 is installed inside the crushing bin, a screen 7 is provided at the bottom of the crushing bin, an S-shaped four-leaf blade is installed on the motor shaft, a triangular blade is installed on the inner wall of the crushing bin, a buckle 10 connected to the crushing component / top cover is provided on the outer wall of the crushing bin, and the crushing component / top cover is provided above the crushing bin, and the crushing component is provided with a feed port 11, a roller spacing adjustment handle 12, a group of crushing rollers 13, a crushing roller motor 14 and a transmission belt 15, a top cover 16, and an exhaust hole 17. The laboratory universal pulverizer can quickly crush material blocks into small particles, improve crushing efficiency, and reduce blade wear; the bottom of the crushing bin is provided with a screen and a discharge bin, and materials that meet the particle size requirements during the crushing process can be quickly discharged through the screen and the discharge bin, reducing the waiting time during crushing. The top cover is a flat-top design with a sealing ring, which can ensure the purity of the material and the fixation of the top cover through a snap connection; the top cover is equipped with an exhaust hole, which can be opened after crushing to speed up the cooling and exhaust of the crushing bin and reduce the waiting time after crushing; the crushing blade adopts an "S"-shaped four-leaf blade and a triangular blade double-layer blade setting, which can increase the material contact area, accelerate the material circulation during crushing, quickly crush the input material blocks, improve the crushing effect, and reduce the crushing time.

[0076] Finally, it should be noted that the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present application.

[0077] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A universal pulverizer for laboratory use, characterized in that: These include, The body is a hollow structure with an open top. The base is located at the bottom of the machine body. a motor, which is disposed in the body and supported by the base, A crushing bin is detachably connected to the top opening of the machine body, and a screen is provided at the bottom of the crushing bin. The motor shaft has one end connected to the motor in the machine body and the other end extending upward through the screen in the crushing bin. The first blade is fixedly connected to the motor shaft and rotates with the rotation of the motor shaft. The second blade is arranged on the inner wall of the crushing bin and is located above the first blade. A discharge bin is disposed in the machine body and below the screen to discharge the crushed material falling off the screen out of the machine body. A crushing component, which is detachably connected to the top of the crushing bin, comprises: A crushing bin, which is detachably connected to the crushing bin, A set of crushing rollers, which are movably arranged in the crushing chamber, A crushing roller motor, which drives the crushing roller, A roller spacing adjustment handle, which connects the crushing rollers and adjusts the spacing between the crushing rollers, A feed inlet is provided in the crushing bin and above the set of crushing rollers, A top cover is openably and closably arranged on the top of the crushing bin, An exhaust hole is provided through the top cover.

2. A universal laboratory pulverizer according to claim 1, characterized in that: The first blade is an S-shaped four-leaf blade, and a sawtooth is arranged on the edge of the blade.

3. A universal laboratory pulverizer according to claim 2, characterized in that: The thickness of the S-type four-leaf blade is 3.1-3.3mm, the blade angle is 53-56°, the back curvature is 47-49°, and the blade curvature is 75-77°.

4. A universal laboratory grinder according to claim 1, characterized in that: The first blade has a central symmetrical structure.

5. A universal laboratory pulverizer according to claim 1, characterized in that: The second blade is a triangular blade.

6. A universal laboratory pulverizer according to claim 5, characterized in that: The thickness of the triangular blade is 2.5-2.8mm.

7. A universal laboratory pulverizer according to claim 1, characterized in that: The crushing bin and the machine body, the crushing bin and the crushing bin, and the crushing bin and the top cover are fixed respectively by buckles.

8. A universal laboratory pulverizer according to claim 1, characterized in that: The screen is detachably connected to the crushing bin, and the screen has a mesh size of 20-1000.

9. A universal laboratory pulverizer according to claim 1, characterized in that: The feed opening is located above the gap between a set of crushing rollers.

10. A universal laboratory pulverizer according to claim 1, characterized in that: The laboratory universal pulverizer has a central symmetrical structure.

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