Laboratory grinding instrument

Abstract

The utility model discloses a laboratory grinding instrument which comprises a machine body, a grinding bowl is arranged in the machine body, the grinding bowl comprises a first grinding section, a second grinding section is arranged at the bottom end of the first grinding section, a grinding shaft is arranged in the grinding bowl, and a rotation driving structure matched with the grinding shaft is arranged on the machine body. A grinding seat matched with the first grinding section is arranged on the grinding shaft, a grinding rod matched with the second grinding section is arranged on the grinding shaft, a grinding cavity is formed between the grinding rod and an inner cavity of the second grinding section, the caliber of the grinding cavity is gradually reduced from top to bottom, and smashing teeth are arranged between the grinding seat and the first grinding section in a matched mode. The bottom end of the second grinding section is communicated with a discharging pipe, a first sealing cover is arranged at the tail end of the discharging pipe, and a spiral discharging structure is arranged in the discharging pipe. According to the device, experimental materials can be smashed in advance during grinding, the smashing efficiency and effect are improved, meanwhile, the ground experimental materials can be directly discharged, and the user friendliness is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grinder, more particularly, it relates to a laboratory grinder. BACKGROUND

[0002] The experimental grinder is a kind of laboratory equipment, mainly used to grind solid sample into powder or small particle, so as to carry out further analysis and research;

[0003] The existing laboratory grinder is mainly placed in the grinding bowl inside the grinder, and the cover plate is buckled after grinding operation, and the cover plate is opened after grinding is completed, then the grinding bowl inside the grinder is taken out, the grinding material channel needs to be opened and closed repeatedly in the whole process, and the user-friendly degree is poor.

[0004] In addition, the existing laboratory grinder is mostly directly implanted into the grinding bowl when grinding experimental materials, and the grinding of experimental materials is realized by the cooperation of grinding bowl and grinding pestle, but many experimental materials are in block or large particle state, direct grinding can easily lead to poor grinding uniformity of experimental materials, and the grinding operation degree of grinding fineness cannot be classified according to the grinding progress, which affects the grinding effect and efficiency. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the problems in the prior art, the utility model provides a laboratory grinder to solve the technical problems of the laboratory grinder in the prior art mentioned in the background.

[0007] (II) technical scheme

[0008] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0009] A kind of laboratory grinder, including machine body, the machine body is internally provided with grinding bowl, the grinding bowl includes first grinding section, the bottom of the first grinding section is provided with second grinding section, the grinding bowl is internally provided with grinding shaft, the machine body is provided with rotation drive structure on cooperation grinding shaft, the grinding shaft is provided with grinding seat on cooperation first grinding section, and grinding rod is provided with cooperation second grinding section, and the grinding rod and the inner cavity of second grinding section form grinding cavity, the caliber of the grinding cavity gradually decreases from top to bottom, the grinding seat and first grinding section are provided with comminuting tooth in cooperation, the bottom of the second grinding section is communicated and provided with discharge pipe, the tail end of the discharge pipe is provided with first sealing cover, and internally provided with spiral discharge structure.

[0010] The utility model further sets up, spiral material discharging structure includes spiral material discharging axle, spiral material discharging axle rotates and is installed in the material discharging pipe through bearing, the inside setting of machine body has material discharging motor, transmission connects between material discharging motor and spiral material discharging axle, starts material discharging motor, can control spiral material discharging axle rotation through material discharging motor, opens first sealing cover, so that the experimental powder after grinding can directly discharge through material discharging pipe, reduces the process that experimental personnel repeatedly opens the grinder, improves user friendly degree.

[0011] The utility model further sets up, rotating drive structure includes drive motor, drive motor sets up above the machine body, and transmission connects between the grinding axle, can realize the rotation drive of grinding axle through drive motor.

[0012] The utility model further sets up, the top of machine body is provided with mounting seat, grinding axle rotates and is installed on mounting seat through ball bearing, mounting seat is provided with electric cylinder between machine body, grinding axle is connected with machine body through linear bearing, starts electric cylinder, can control the elevation of mounting seat through electric, can drive drive motor and the elevation adjustment of grinding axle through the elevation of mounting seat, can control the adjustment of grinding seat and grinding bar in grinding bowl interior through the elevation adjustment of grinding axle, thereby realizes the adjustment of grinding cavity grinding caliber, realizes the flexible adjustment of grinding precision, so as to need to carry out flexible adjustment for different material grinding.

[0013] The utility model further sets up, be provided with the protective cover on mounting seat, the protective cover is covered in the outside of drive motor, and the inside of protective cover is provided with first sound absorption noise reduction layer, can improve the sound absorption noise reduction effect of drive motor when operating through the cooperation of protective cover and first sound absorption noise reduction layer.

[0014] The utility model further sets up, the top of machine body is communicated with the inner chamber of grinding bowl and is provided with feed inlet, second sealing cover is provided at feed inlet, realizes the closure of feed inlet through second sealing cover, through feed inlet, the experimental material to be ground is implanted in the inner chamber of grinding bowl.

[0015] The utility model further sets up, the inside of machine body is provided with second sound absorption noise reduction layer, sound absorption noise reduction hole is all seted up on first sound absorption noise reduction layer and second sound absorption noise reduction layer, sound absorption noise reduction hole is non straight line type setting, second sound absorption noise reduction layer can strengthen the sound absorption noise reduction effect of machine body when operating, can guarantee the heat dissipation effect of drive motor and material discharging motor when operating through the setting of sound absorption noise reduction hole, simultaneously, the non straight line shape setting can change direction constantly in the process that sound transmits outward, thereby realizes the effective absorption of noise, improves the effect of reducing noise.

[0016] The utility model further sets up, the inside top of machine body is provided with the pipe of blowing, the air inlet end of pipe of blowing is provided with air pump outside machine body, a plurality of high pressure nozzles are uniformly provided on pipe of blowing, start air pump, can convey airflow to pipe of blowing through air pump, and the high pressure nozzles on pipe of blowing blow outward, like this, can clean the experimental powder material remaining in the grinding bowl, improve the cleaning convenience of grinding instrument after use, and the inner wall of grinding bowl and the outer wall of grinding seat and grinding rod in the utility model are preferably provided with carbide coating, which has good wear resistance and adhesion resistance.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a laboratory grinding instrument, has the following beneficial effects:

[0019] 1、 the utility model discloses a first grinding section is set up on the grinding bowl, and is provided with a grinding seat in cooperation with the first grinding section, and a crushing tooth is arranged between the grinding seat and the first grinding section, which rotates relative to the crushing tooth in the first grinding section, so that the crushing tooth on the grinding seat can crush the experimental material in the grinding bowl, facilitating subsequent grinding operation and improving grinding efficiency.

[0020] 2、 the utility model discloses a second grinding section is set up on the grinding bowl, and is provided with a grinding rod in cooperation with the second grinding section, and the caliber of the grinding cavity formed between the grinding rod and the second grinding section gradually decreases from top to bottom, so that the experimental material after the above-mentioned crushing can fall under the action of its own gravity and enter the interior of the grinding cavity, and the grinding rod rotates simultaneously during the rotation of the grinding shaft, so that the grinding of the material in the grinding cavity is realized. Since the caliber of the grinding cavity gradually decreases, the falling of the material in the grinding cavity can be controlled, and the material that does not meet the conditions is intercepted in the grinding cavity for repeated grinding until the particle size gradually decreases, and the material can be gradually transported downward and further ground more finely during the downward transport, so that the efficiency and precision of the laboratory material during grinding can be improved.

[0021] 3、 the utility model discloses a discharge pipe is arranged at the bottom end of the second grinding section, and a spiral discharge structure is arranged in the discharge pipe, so that the experimental powder material after sufficient grinding can fall into the discharge pipe, the discharge motor is started, the spiral discharge shaft is controlled to rotate through the discharge motor, the first sealing cover is opened, and the experimental powder material after grinding can be directly discharged through the discharge pipe, reducing the process of repeatedly opening the grinding instrument by the experimental personnel and improving the user friendliness. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of a laboratory grinding instrument in the utility model Figure 1 ;

[0023] Figure 2 It is the whole internal structure section view schematic diagram of the utility model;

[0024] Figure 3 It is the connecting structure section view schematic diagram between the grinding bowl, the grinding seat and the grinding rod in the utility model;

[0025] Figure 4 It is the internal structure section view schematic diagram of the discharge pipe in the utility model;

[0026] Figure 5 It is the local connecting structure section view schematic diagram between the protective cover and the first sound absorption and noise reduction layer in the utility model.

[0027] In the drawing: 1, machine body;2, grinding bowl;3, first grinding section;4, second grinding section;5, grinding shaft;6, grinding seat;7, grinding rod;8, grinding cavity;9, crushing tooth;10, discharge pipe;11, first sealing cover;12, spiral discharge shaft;13, discharge motor;14, driving motor;15, mounting seat;16, electric cylinder;17, protective cover;18, first sound absorption and noise reduction layer;19, feed inlet;20, second sealing cover;21, second sound absorption and noise reduction layer;22, heat dissipation and sound absorption hole;23, blowing pipe;24, air pump;25, high-pressure spray head. DETAILED DESCRIPTION

[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0030] In the present application, unless otherwise specified, the orientation such as "up, down" is generally with respect to the direction shown in the drawing, or with respect to the vertical, perpendicular or gravity direction. Similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawing; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above orientation words are not used to limit the present application.

[0031] Please refer to Figures 1-5The utility model provides a laboratory grinding instrument, including the body 1, be internally provided with the grinding bowl 2 in the body 1, the grinding bowl 2 includes the first grinding section 3, the bottom of first grinding section 3 is provided with the second grinding section 4, the grinding shaft 5 is provided inside the grinding bowl 2, and the rotation drive structure is provided with the cooperation grinding shaft 5 on the body 1, and the grinding seat 6 is provided with the cooperation first grinding section 3 on the grinding shaft 5, and the grinding rod 7 is provided with the cooperation second grinding section 4, and the grinding cavity 8 is formed between the grinding rod 7 and the inner chamber of second grinding section 4, and the caliber of grinding cavity 8 gradually decreases from top to bottom,

[0032] The utility model discloses a laboratory grinding instrument, including the body 1, be internally provided with the grinding bowl 2 in the body 1, the grinding bowl 2 includes the first grinding section 3, the bottom of first grinding section 3 is provided with the second grinding section 4, the grinding shaft 5 is provided inside the grinding bowl 2, and the rotation drive structure is provided with the cooperation grinding shaft 5 on the body 1, and the grinding seat 6 is provided with the cooperation first grinding section 3 on the grinding shaft 5, and the grinding rod 7 is provided with the cooperation second grinding section 4, and the grinding cavity 8 is formed between the grinding rod 7 and the inner chamber of second grinding section 4, and the caliber of grinding cavity 8 gradually decreases from top to bottom,

[0033] The utility model discloses a laboratory grinding instrument, including the body 1, be internally provided with the grinding bowl 2 in the body 1, the grinding bowl 2 includes the first grinding section 3, the bottom of first grinding section 3 is provided with the second grinding section 4, the grinding shaft 5 is provided inside the grinding bowl 2, and the rotation drive structure is provided with the cooperation grinding shaft 5 on the body 1, and the grinding seat 6 is provided with the cooperation first grinding section 3 on the grinding shaft 5, and the grinding rod 7 is provided with the cooperation second grinding section 4, and the grinding cavity 8 is formed between the grinding rod 7 and the inner chamber of second grinding section 4, and the caliber of grinding cavity 8 gradually decreases from top to bottom,

[0034] The utility model discloses a laboratory grinding instrument, including the body 1, be internally provided with the grinding bowl 2 in the body 1, the grinding bowl 2 includes the first grinding section 3, the bottom of first grinding section 3 is provided with the second grinding section 4, the grinding shaft 5 is provided inside the grinding bowl 2, and the rotation drive structure is provided with the cooperation grinding shaft 5 on the body 1, and the grinding seat 6 is provided with the cooperation first grinding section 3 on the grinding shaft 5, and the grinding rod 7 is provided with the cooperation second grinding section 4, and the grinding cavity 8 is formed between the grinding rod 7 and the inner chamber of second grinding section 4, and the caliber of grinding cavity 8 gradually decreases from top to bottom,

[0035] The spiral discharging structure comprises a spiral discharging shaft 12, which is rotatably installed in the discharging pipe 10 through a bearing. The machine body 1 is internally provided with a discharging motor 13, which is in transmission connection with the spiral discharging shaft 12. The discharging motor 13 can be started to control the rotation of the spiral discharging shaft 12. The first sealing cover 11 is opened, so that the experimental powder after grinding can be directly discharged through the discharging pipe 10, reducing the process of repeatedly opening the grinding instrument by the experimental personnel and improving the user friendliness.

[0036] Please refer to Figures 1-5 As an embodiment of the rotary driving structure, the rotary driving structure comprises a driving motor 14, which is arranged above the machine body 1 and in transmission connection with the grinding shaft 5. The driving motor 14 can realize the rotary driving of the grinding shaft 5.

[0037] Please refer to Figures 1-5 As an embodiment of the machine body 1, the top end of the machine body 1 is provided with a mounting seat 15, the grinding shaft 5 is rotatably installed on the mounting seat 15 through a ball bearing, and an electric cylinder 16 is arranged between the mounting seat 15 and the machine body 1. The grinding shaft 5 is connected with the machine body 1 through a linear bearing. The electric cylinder 16 can be started to control the lifting of the mounting seat 15. The lifting of the mounting seat 15 can drive the lifting adjustment of the driving motor 14 and the grinding shaft 5. The lifting adjustment of the grinding shaft 5 can control the adjustment of the grinding seat 6 and the grinding rod 7 in the grinding bowl 2, so as to realize the adjustment of the grinding caliber of the grinding cavity 8 and the flexible adjustment of the grinding precision, so as to flexibly adjust the grinding requirement for different materials.

[0038] Please refer to Figures 1-5 As an embodiment of the mounting seat 15, the mounting seat 15 is provided with a protective cover 17, which is sleeved outside the driving motor 14 and internally provided with a first sound-absorbing and noise-reducing layer 18. The cooperation of the protective cover 17 and the first sound-absorbing and noise-reducing layer 18 can improve the sound-absorbing and noise-reducing effect of the driving motor 14 during operation.

[0039] Please refer to Figures 1-5 As an embodiment of the machine body 1, the top end of the machine body 1 is provided with a feeding port 19 communicating with the inner cavity of the grinding bowl 2. The feeding port 19 is provided with a second sealing cover 20, which realizes the closure of the feeding port 19. The experimental material to be ground can be implanted into the inner cavity of the grinding bowl 2 through the feeding port 19.

[0040] Please refer to Figures 1-5As an embodiment of the body 1: the inside of the body 1 is provided with a second sound-absorbing noise reduction layer 21, and the first sound-absorbing noise reduction layer 18 and the second sound-absorbing noise reduction layer 21 are provided with sound-absorbing holes 22, and the sound-absorbing holes 22 are arranged in a non-linear shape. The second sound-absorbing noise reduction layer 21 can enhance the sound-absorbing noise reduction effect of the body 1 during operation. The sound-absorbing holes 22 can ensure the heat dissipation effect of the driving motor 14 and the discharging motor 13 during operation. At the same time, the non-linear shape can change the direction during the sound transmission outward, thereby realizing effective absorption of noise and improving the noise reduction effect.

[0041] Please refer to Figures 1-5 As an embodiment of the body 1: the inside of the body 1 is provided with a second sound-absorbing noise reduction layer 21, and the first sound-absorbing noise reduction layer 18 and the second sound-absorbing noise reduction layer 21 are provided with sound-absorbing holes 22, and the sound-absorbing holes 22 are arranged in a non-linear shape. The second sound-absorbing noise reduction layer 21 can enhance the sound-absorbing noise reduction effect of the body 1 during operation. The sound-absorbing holes 22 can ensure the heat dissipation effect of the driving motor 14 and the discharging motor 13 during operation. At the same time, the non-linear shape can change the direction during the sound transmission outward, thereby realizing effective absorption of noise and improving the noise reduction effect.

[0042] In summary:

[0043] The utility model discloses a first grinding section 3 is arranged on the grinding bowl 2, and the grinding seat 6 is arranged in cooperation with the first grinding section 3, and the mutual cooperation of the crushing tooth 9 is arranged between the grinding seat 6 and the first grinding section 3, so that, in use, the experimental material to be ground is put into the cavity of the grinding bowl 2 from the feed inlet 19, the driving motor 14 is started, the driving motor 14 can control the grinding shaft 5 to drive the grinding seat 6 to rotate, so that the crushing tooth 9 on the grinding seat 6 rotates relative to the crushing tooth 9 in the first grinding section 3, thereby the experimental material in the grinding bowl 2 can be crushed, so that the subsequent grinding operation is facilitated, and the grinding efficiency is improved.

[0044] The utility model discloses a grinding bowl 2 is provided with the second grinding section 4, and is provided with the grinding stick 7 in cooperation with the second grinding section 4, and the caliber of the grinding cavity 8 formed between the grinding stick 7 and the second grinding section 4 gradually reduces from top to bottom, so that the experimental material after the above-mentioned occlusal crushing will descend under the action of gravity and enter the inside of the grinding cavity 8, and the grinding shaft 5 will drive the grinding stick 7 to rotate in the rotating process, thereby realizing the grinding of the material in the grinding cavity 8, and since the caliber of the grinding cavity 8 gradually reduces, the descent of the material in the grinding cavity 8 can be controlled, the material that does not meet the condition is intercepted in the grinding cavity 8 and repeatedly grinds until the particle size gradually reduces, and can gradually descend and convey, and is further grinded more finely in the process of descending and conveying, thereby improving the efficiency and precision of the laboratory material during grinding.

[0045] The utility model discloses a grinding bowl 2 is provided with the second grinding section 4, and is provided with the grinding stick 7 in cooperation with the second grinding section 4, and the caliber of the grinding cavity 8 formed between the grinding stick 7 and the second grinding section 4 gradually reduces from top to bottom, so that the experimental material after the above-mentioned occlusal crushing will descend under the action of gravity and enter the inside of the grinding cavity 8, and the grinding shaft 5 will drive the grinding stick 7 to rotate in the rotating process, thereby realizing the grinding of the material in the grinding cavity 8, and since the caliber of the grinding cavity 8 gradually reduces, the descent of the material in the grinding cavity 8 can be controlled, the material that does not meet the condition is intercepted in the grinding cavity 8 and repeatedly grinds until the particle size gradually reduces, and can gradually descend and convey, and is further grinded more finely in the process of descending and conveying, thereby improving the efficiency and precision of the laboratory material during grinding.

[0046] In all the above-mentioned solutions, the connection between two components can be selected according to actual conditions, such as welding, bolt and nut cooperation connection, bolt or screw connection, or other known connection methods, which will not be described here. In the above, when fixed connection is involved, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

[0047] In all the above-mentioned solutions, the electrical element operation is controlled by the controller, and the control principle and circuit connection of the controller are known and mature technology, which will not be described here.

[0048] In all the above-mentioned solutions, the motor can be matched with a speed reducer if necessary. The connection structure and working principle between the motor and the speed reducer are known technology, which will not be described here.

[0049] In all the above-mentioned schemes, the solar panel is connected to the battery, and the necessary accessories such as the inverter, the battery charging controller, the cable and the fuse, and the support, etc. are matched. The control principle and the line connection are all known and mature technologies, and the electrical connection relationship and the specific circuit structure are not described here.

Claims

1. A laboratory grinder, comprising a body (1), wherein a grinding bowl (2) is disposed inside the body (1), characterized in that: The grinding bowl (2) includes a first grinding section (3), and a second grinding section (4) is provided at the bottom end of the first grinding section (3). A grinding shaft (5) is provided inside the grinding bowl (2). A rotation drive structure is provided on the machine body (1) in conjunction with the grinding shaft (5). A grinding seat (6) is provided on the grinding shaft (5) in conjunction with the first grinding section (3), and a grinding rod (7) is provided in conjunction with the second grinding section (4). A grinding cavity (8) is formed between the grinding rod (7) and the inner cavity of the second grinding section (4). The diameter of the grinding cavity (8) gradually decreases from top to bottom. Crushing teeth (9) are provided between the grinding seat (6) and the first grinding section (3). A discharge pipe (10) is connected to the bottom end of the second grinding section (4). A first sealing cap (11) is provided at the tail end of the discharge pipe (10), and a spiral discharge structure is provided inside.

2. A laboratory grinder according to claim 1, characterized in that: The spiral discharge structure includes a spiral discharge shaft (12), which is rotatably installed in the discharge pipe (10) through a bearing. A discharge motor (13) is provided inside the machine body (1), and the discharge motor (13) is connected to the spiral discharge shaft (12) through transmission.

3. A laboratory grinder according to claim 1, characterized in that: The rotation drive structure includes a drive motor (14), which is located above the machine body (1) and is connected to the grinding shaft (5) for transmission.

4. A laboratory grinder according to claim 3, characterized in that: The top of the machine body (1) is provided with a mounting base (15), the grinding shaft (5) is rotatably mounted on the mounting base (15) by ball bearings, an electric cylinder (16) is provided between the mounting base (15) and the machine body (1), and the grinding shaft (5) is connected to the machine body by a linear bearing.

5. A laboratory grinder according to claim 4, characterized in that: The mounting base (15) is provided with a protective cover (17), which is sleeved on the outside of the drive motor (14), and a first sound-absorbing and noise-reducing layer (18) is provided inside the protective cover (17).

6. A laboratory grinder according to any one of claims 1-5, characterized in that: The top of the machine body (1) is connected to the inner cavity of the grinding bowl (2) and a feed inlet (19) is provided. A second sealing cover (20) is provided at the feed inlet (19).

7. A laboratory grinder according to claim 5, characterized in that: The body (1) is provided with a second sound-absorbing and noise-reducing layer (21). The first sound-absorbing and noise-reducing layer (18) and the second sound-absorbing and noise-reducing layer (21) are provided with heat dissipation and sound-absorbing holes (22). The heat dissipation and sound-absorbing holes (22) are non-linear.

8. A laboratory grinder according to claim 1, characterized in that: The top of the inner part of the body (1) is provided with a blow pipe (23), and the air inlet end of the blow pipe (23) extends to the outside of the body (1) and is provided with an air pump (24). Multiple high-pressure nozzles (25) are evenly arranged on the blow pipe (23).

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