CN113751158A - Material grinding device and grinding method for biological laboratory - Google Patents
Material grinding device and grinding method for biological laboratory Download PDFInfo
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- CN113751158A CN113751158A CN202111058798.1A CN202111058798A CN113751158A CN 113751158 A CN113751158 A CN 113751158A CN 202111058798 A CN202111058798 A CN 202111058798A CN 113751158 A CN113751158 A CN 113751158A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/10—Mills in which a friction block is towed along the surface of a cylindrical or annular member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/16—Mills provided with vibrators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
- B02C19/186—Use of cold or heat for disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
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- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Crushing And Grinding (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a material grinding device and a grinding method for a biological laboratory, and relates to the technical field of grinding of biological materials. The device comprises a liquid nitrogen tank and a dust cover arranged on the liquid nitrogen tank, wherein a bearing component is fixedly connected inside the liquid nitrogen tank, and a grinding component is fixedly connected inside the bearing component; a circular hole is formed in the center of the top of the dust cover, a driving assembly is arranged in the circular hole, and the driving assembly is located right above the grinding assembly; firstly, a grinding groove and a connecting ring connected with the grinding groove are rotationally clamped in a supporting plate, a cover plate is opened by rotating a handle, and a material to be ground is placed in the grinding groove by using tweezers or other test instruments; and starting the stepping motor and the vibrating motor, starting the driving push rod of the cylinder, and driving the blade and the grinding ball to the bottom of the grinding groove to grind the grinding material. According to the invention, the grinding balls rotate under the driving of the stepping motor and vibrate under the driving of the vibration motor, and the grinding balls simultaneously vibrate and rotate, so that the grinding effect is better.
Description
Technical Field
The invention belongs to the technical field of grinding of biological materials, and particularly relates to a material grinding device and a grinding method for a biological laboratory.
Background
Biological laboratory carries out the test place relevant with the biological branch of academic or vocational study, often need grind various biomaterial in the laboratory, then carries out corresponding experiment to multiple material, grinds and need use grinding groove and grinding roller, places the material that needs to grind inside grinding groove, through using grinding roller to extrude the roll in grinding groove inside, grinds the material into required particle size, can test.
The grinding device that uses in the present laboratory is still manual grinding roller and grinding groove, this kind of traditional grinding device is difficult to control the abrasive grain size of abrasive material in the grinding process, and the grinding process is lengthy, some materials that intensity is higher need not grind for a long time, the material that needs to grind in the experimentation is more than one, this kind of traditional mode of grinding and waste time, place one side spare after finishing grinding a material, in the in-process of continuing to grind other materials, the material that grinds the completion exposes in the air, easily receive the pollution of some factors, probably cause certain influence to follow-up experiment, simultaneously, the inside residual material of grinding groove is difficult for clearing up when grinding multiple material, take place cross infection easily when carrying out next material grinding.
The existing grinding device for the biological laboratory has the conditions of poor grinding effect and long grinding time in the grinding process, and the grinding device can not correspondingly protect the grinding material once cross infection occurs when grinding various materials, so that the grinding device and the grinding method for the biological laboratory are provided.
Disclosure of Invention
The invention aims to provide a material grinding device and a grinding method for a biological laboratory, which solve the problems that the existing biological laboratory grinding device has poor grinding effect and long grinding time in the grinding process, and the grinding device can not correspondingly protect the ground materials once cross infection occurs when grinding various materials.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a material grinding device for a biological laboratory, which comprises a liquid nitrogen tank and a dust cover arranged on the liquid nitrogen tank, wherein a bearing component is fixedly connected inside the liquid nitrogen tank, and a grinding component is fixedly connected inside the bearing component; the center of the top of the dust cover is provided with a round hole, a driving assembly is arranged in the round hole and is positioned right above the grinding assembly, and the dust cover is used for preventing the influence of the external environment on the grinding material in the grinding process;
the grinding assembly comprises a grinding groove, a connecting ring, clamping blocks, a supporting plate and a cover plate, wherein the grinding groove is positioned in the liquid nitrogen groove, the connecting ring is fixedly connected to the top of the grinding groove, and four clamping blocks are respectively arrayed on one side of the top of the connecting ring; the grinding device comprises a supporting plate, a grinding groove, a connecting ring, a clamping block and a cover plate, wherein the supporting plate is internally provided with a mounting groove, the four clamping blocks are movably arranged inside the supporting plate, the top of the supporting plate is movably connected with the cover plate, the grinding groove is arranged in an internal arc shape, and a spherical grinding ball is convenient to grind, so that a grinding dead angle is avoided in the grinding process, the connecting ring can be clamped inside the supporting plate through the clamping blocks, and when the grinding groove needs to be cleaned, the connecting ring is rotated to enable the clamping blocks to be separated from the inside of the supporting plate, so that the lower grinding groove is disassembled;
the drive assembly includes push rod, blade, vibrating motor and grinding ball, the push rod sets up inside the dust cover, the side fixedly connected with blade all around of push rod bottom, push rod bottom fixedly connected with vibrating motor, vibrating motor bottom fixedly connected with grinding ball, grinding ball and the inside swing joint of grinding groove, blade are used for tentatively cutting crushing material, make it can be ground better by grinding ball, and grinding ball vibrates simultaneously at rotatory in-process for the grinding effect is better.
Preferably, a mounting hole is formed in one side surface of the liquid nitrogen tank, and a liquid discharge port is fixedly connected inside the mounting hole; and one side surface of the dust cover is hinged with a protective door.
Preferably, two groups of the supporting components are arranged, the two groups of the supporting components are respectively arranged at the central positions of the tops of the two opposite side surfaces of the liquid nitrogen tank, the supporting component comprises an electric lifting rod, a connecting rod, a clamping ring and a supporting strip, the electric lifting rod is fixedly connected to the center of the top of one side surface of the liquid nitrogen tank, one end of a connecting rod is fixedly connected with the top of the electric lifting rod, the other end of the connecting rod is fixedly connected with a clamping ring, the top of the clamping ring is fixedly connected with a bearing strip, the shape of the clamping ring is consistent with that of the bearing strip, the electric lifting rod is used for driving the grinding component to lift, after the grinding is finished, the grinding assembly is lifted to be convenient to take, the grinding groove is driven to be immersed into liquid nitrogen during grinding, so that its cooling, the connecting rod is used for connecting electric lift pole and clamp ring, and the clamp ring plays centre gripping grinding component's effect, and the bearing strip makes centre gripping grinding component's in-process more stable.
Preferably, grinding component still includes round pin axle, handle and business card groove, through round pin axle swing joint between layer board and the apron, apron top central point puts fixedly connected with handle, apron top fixedly connected with business card groove, and the business card groove closes on the handle position, and the handle is used for mentioning whole grinding component, and the business card inslot portion is used for placing grinding material's name or relevant data to take in follow-up.
Preferably, drive assembly still includes step motor and cylinder, step motor fixed connection puts at dust cover top central point, step motor bottom output runs through round hole and cylinder top fixed connection, step motor output and round hole swing joint, the cylinder is located inside the dust cover, and its inside and push rod week side swing joint, and step motor is used for the blade and the grinding ball rotation of drive bottom, and the cylinder passes through drive push rod and adjusts the distance between grinding ball and the grinding groove to can control the granule size that the material ground.
Preferably, the outer diameter of the cross section of the supporting plate is slightly larger than the outer diameter of the cross section of the connecting ring, the bottom of the supporting plate slightly protrudes out of one part of the connecting ring, the bottom of the supporting plate is fixedly connected with the top of the two bearing strips in a clamping manner, the supporting plate is used for driving the whole grinding assembly to be suspended inside the clamping ring, the connecting ring is used for connecting the bottom grinding groove with the supporting plate, and the pin shaft is used for movably connecting the cover plate and the supporting plate, so that the cover plate can rotate at one end of the surface of the supporting plate, and the cover plate is convenient to open and close.
Preferably, the material of grinding groove and abrasive ball all is made for glass, and grinding inslot wall all sets up to the dull polish material with the abrasive ball surface, and the abrasive ball is used for carrying out the vibration grinding to the material, and the grinding groove and the abrasive ball of dull polish glass material make grinding effect better to glass cost is low, can set up the grinding of a plurality of grinding grooves in order to supply different materials, demolishs the grinding groove after grinding and also conveniently washs it, avoids receiving cross infection at other material grinding in-process.
Preferably, the liquid nitrogen tank is inside to its inside liquid nitrogen that pours into through opening the shutter, and the liquid nitrogen tank is used for holding the dress liquid nitrogen, plays the effect for grinding the groove cooling at the in-process that grinds the groove, and the shutter is used for protecting the material that grinds the inslot portion at the grinding in-process and does not receive external environment's pollution, because the home range of grinding ball in grinding inslot portion is in the latter half of grinding the groove, therefore the liquid nitrogen only need cover grinding groove operating position can.
A grinding method for a material grinding apparatus for a biological laboratory, comprising the steps of:
s1, firstly, the grinding groove and a connecting ring connected with the grinding groove are rotationally clamped in the supporting plate, the cover plate is rotated and opened through the handle, and the material to be ground is placed in the grinding groove by using tweezers or other test instruments;
s2, opening a protective door, placing the grinding assembly with the material to be ground between two clamping rings, clamping, filling liquid nitrogen into the liquid nitrogen tank after the grinding assembly is placed stably, and then closing the protective door;
s3, starting a stepping motor and a vibrating motor, driving an air cylinder at the bottom to rotate through the stepping motor, driving a push rod to drive a blade at the bottom and a grinding ball to move to the bottom of a grinding groove under the driving of the air cylinder, adjusting the distance between the grinding ball and the bottom of the grinding groove according to the size of particles to be ground, starting to rotate the blade and the grinding ball, preliminarily crushing the grinding material with larger volume by the blade, forming smaller particles after crushing and gathering at the bottom of the grinding groove, driving the grinding ball to vibrate through the vibrating motor, and grinding the material by the grinding ball in the vibrating process;
s4, after grinding, the air cylinder drives the push rod to lift upwards, the vibration motor continues to drive the grinding ball to vibrate until small particles of the materials attached to the surface of the grinding ball completely fall off, and the stepping motor and the vibration motor stop working;
and S5, driving the grinding tank to rise upwards through the electric lifting rod until the grinding tank is separated from the liquid nitrogen solution, taking out the whole grinding tank and the grinding assembly of the grinding tank, covering the cover plate, placing the grinding tank aside for later use, continuously grinding the next material, repeating the steps S1-S5 until the grinding of all the materials is finished, and opening a liquid discharge port to discharge the liquid nitrogen.
The invention has the following beneficial effects:
1. according to the invention, the connecting ring is arranged on the grinding groove, and the clamping block on the connecting ring is clamped with the supporting plate, when the grinding groove needs to be cleaned, the connecting ring is rotated to separate the supporting plate from the clamping block inside the supporting plate, so that the grinding groove can be detached;
2. according to the invention, the stepping motor is arranged to drive the blade to carry out primary crushing and cutting on the grinding material, so that the grinding material with a larger volume can be accumulated at the bottom of the grinding groove, the grinding ball is convenient to grind the grinding material, the grinding ball is driven by the stepping motor to rotate and simultaneously vibrates under the driving of the vibration motor, and the grinding ball simultaneously vibrates and rotates, so that the grinding effect is better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a material grinding apparatus for a biological laboratory according to the present invention;
FIG. 2 is a schematic view showing an internal structure of a material polishing apparatus for a biological laboratory according to the present invention;
FIG. 3 is a schematic sectional front view of a material grinding apparatus for a biological laboratory according to the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of an open state of a polishing assembly of the material polishing apparatus for a biological laboratory according to the present invention;
FIG. 6 is a schematic view of a closed structure of a grinding assembly of the material grinding apparatus for a biological laboratory according to the present invention;
FIG. 7 is a schematic view of a driving assembly of a material polishing apparatus for a biological laboratory according to the present invention;
FIG. 8 is an enlarged view of the structure of FIG. 7 at B according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a liquid nitrogen tank; 2. a dust cover; 3. a protective door; 4. a liquid discharge port; 5. an electric lifting rod; 6. a connecting rod; 7. a clamping ring; 8. a support strip; 9. a grinding groove; 10. a connecting ring; 11. a clamping block; 12. a support plate; 13. a pin shaft; 14. a cover plate; 15. a handle; 16. a business card slot; 17. a stepping motor; 18. a cylinder; 19. a push rod; 20. a blade; 21. a vibration motor; 22. and (5) grinding the balls.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, the invention relates to a material grinding device for a biological laboratory, comprising a liquid nitrogen tank 1 and a dust cover 2 arranged on the liquid nitrogen tank 1, wherein a bearing component is fixedly connected inside the liquid nitrogen tank 1, and a grinding component is fixedly connected inside the bearing component; the center of the top of the dust cover 2 is provided with a round hole, a driving assembly is arranged in the round hole and is positioned right above the grinding assembly, the dust cover 2 is used for preventing the influence of the external environment on the grinding material in the grinding process, liquid nitrogen is filled into the liquid nitrogen tank 1 by opening the protective door 3, the liquid nitrogen tank 1 is used for containing the liquid nitrogen, the liquid nitrogen plays a role of cooling the grinding tank 9 in the grinding process of the grinding tank 9, the protective door 3 is used for protecting the material in the grinding tank 9 from being polluted by the external environment in the grinding process, and the movable range of the grinding ball 22 in the grinding tank 9 is in the lower half part of the grinding tank 9, so that the liquid nitrogen only needs to cover the working position of the grinding tank 9;
the grinding assembly comprises a grinding groove 9, a connecting ring 10, clamping blocks 11, a supporting plate 12 and a cover plate 14, wherein the grinding groove 9 is positioned in the liquid nitrogen groove 1, the connecting ring 10 is fixedly connected to the top of the grinding groove 9, and four clamping blocks 11 are respectively arrayed on one side of the top of the connecting ring 10; the inner part of the supporting plate 12 is provided with an installation groove, four clamping blocks 11 are movably arranged in the supporting plate 12, the top of the supporting plate 12 is movably connected with a cover plate 14, the grinding groove 9 is arranged in an inner arc shape, so that a spherical grinding ball 22 can be conveniently ground, no grinding dead angle exists in the grinding process, the connecting ring 10 can be clamped in the supporting plate 12 through the clamping blocks 11, when the grinding groove 9 needs to be cleaned, the connecting ring 10 is rotated to enable the clamping blocks 11 to be separated from the inner part of the supporting plate 12, the grinding groove 9 is detached, the grinding groove 9 and the grinding ball 22 are made of glass, the inner wall of the grinding groove 9 and the outer surface of the grinding ball 22 are both made of frosted materials, the grinding ball 22 is used for carrying out vibration grinding on the materials, the grinding groove 9 made of the frosted glass and the grinding ball 22 enable the grinding effect to be better, the manufacturing cost of the glass is low, and a plurality of grinding grooves 9 can be arranged for grinding different materials, the grinding groove 9 is also convenient to clean after being grinded, so that cross infection in the grinding process of other materials is avoided;
the drive assembly includes push rod 19, blade 20, vibrating motor 21 and grinding ball 22, push rod 19 sets up inside dust cover 2, 19 bottom week side fixedly connected with blades 20 of push rod, 19 bottom fixedly connected with vibrating motor 21 of push rod, 21 bottom fixedly connected with grinding ball 22 of vibrating motor, grinding ball 22 and the inside swing joint in grinding groove 9, blade 20 are used for tentatively cutting crushing material, make it can be ground by grinding ball 22 better, and grinding ball 22 vibrates simultaneously at rotatory in-process for the grinding effect is better.
A mounting hole is formed in one side surface of the liquid nitrogen tank 1, and a liquid discharge port 4 is fixedly connected inside the mounting hole; and a protective door 3 is hinged to one side surface of the dust cover 2.
Two groups of the supporting components are respectively arranged at the central positions of the tops of two opposite side surfaces of the liquid nitrogen tank 1, the supporting component comprises an electric lifting rod 5, a connecting rod 6, a clamping ring 7 and a supporting strip 8, the electric lifting rod 5 is fixedly connected to the center of the top of one side surface of the liquid nitrogen tank 1, one end of a connecting rod 6 is fixedly connected with the top of the electric lifting rod 5, the other end of the connecting rod 6 is fixedly connected with a clamping ring 7, the top of the clamping ring 7 is fixedly connected with a bearing strip 8, the clamping ring 7 and the bearing strip 8 have the same shape, the electric lifting rod 5 is used for driving the grinding component to lift, after the grinding is finished, the grinding assembly is lifted to be convenient to take, the grinding groove 9 is driven to be immersed into liquid nitrogen during grinding, so that its cooling, connecting rod 6 is used for connecting electric lift pole 5 and clamp ring 7, and clamp ring 7 plays the effect of centre gripping grinding component, and bearing strip 8 makes the in-process of centre gripping grinding component more stable.
Grinding component still includes round pin axle 13, handle 15 and business card groove 16, through round pin axle 13 swing joint between layer board 12 and the apron 14, 14 top central point of apron puts fixedly connected with handle 15, 14 top fixedly connected with business card groove 16 of apron, and business card groove 16 closes on handle 15 position, and handle 15 is used for mentioning whole grinding component, and the inside name or the relevant data that are used for placing abrasive material in business card groove 16 to follow-up taking.
Drive assembly still includes step motor 17 and cylinder 18, step motor 17 fixed connection is put at 2 top central points of dust cover, step motor 17 bottom output runs through round hole and 18 top fixed connection of cylinder, step motor 17 output and round hole swing joint, cylinder 18 is located inside dust cover 2, and its inside and 19 all sides swing joint of push rod, and step motor 17 is used for the blade 20 and the grinding ball 22 rotation of drive bottom, and cylinder 18 adjusts the distance between grinding ball 22 and the grinding groove 9 through drive push rod 19 to can control the granule size that the material ground.
The outer diameter of the cross section of the supporting plate 12 is slightly larger than the outer diameter of the cross section of the connecting ring 10, the bottom of the supporting plate 12 slightly protrudes out of a part of the connecting ring 10, the bottom of the supporting plate 12 is fixedly connected with the top of the two supporting strips 8 in a clamping mode, the supporting plate 12 is used for driving the whole grinding assembly to be suspended inside the clamping ring 7, the connecting ring 10 is used for connecting the bottom grinding groove 9 with the supporting plate 12, and the pin shaft 13 is used for movably connecting the cover plate 14 with the supporting plate 12, so that the cover plate 14 can rotate at one end of the surface of the supporting plate 12, and the cover plate 14 can be conveniently opened and closed.
A grinding method for a material grinding apparatus for a biological laboratory, comprising the steps of:
s1, firstly, the grinding groove 9 and the connecting ring 10 connected with the grinding groove are rotationally clamped in the supporting plate 12, the cover plate 14 is rotationally opened through the handle 15, and the material to be ground is placed in the grinding groove 9 by using tweezers or other test instruments;
s2, opening the protective door 3, placing the grinding assembly with the material to be ground between the two clamping rings 7 for clamping, filling liquid nitrogen into the liquid nitrogen tank 1 after the grinding assembly is placed stably, and then closing the protective door 3;
s3, starting the stepping motor 17 and the vibration motor 21, driving the air cylinder 18 at the bottom to rotate through the stepping motor 17, driving the push rod 19 to drive the blade 20 and the grinding ball 22 at the bottom to move towards the bottom of the grinding groove 9 under the driving of the air cylinder 18, adjusting the distance between the grinding ball 22 and the bottom of the grinding groove 9 according to the particle size to be ground, starting the rotation of the blade 20 and the grinding ball 22, primarily crushing the grinding material with larger volume by the blade 20, forming smaller particles after crushing and gathering at the bottom of the grinding groove 9, simultaneously driving the vibration of the grinding ball 22 by the vibration motor 21, and grinding the material by the grinding ball 22 in the vibration process;
s4, after grinding, the air cylinder 18 drives the push rod 19 to lift upwards, the vibration motor 21 continues to drive the grinding balls 22 to vibrate until the small particles of the materials attached to the surfaces of the grinding balls 22 completely fall off, and the stepping motor 17 and the vibration motor 21 stop working;
s5, driving the grinding groove 9 to rise upwards through the electric lifting rod 5 until the grinding groove 9 is separated from the liquid nitrogen solution, taking out the whole grinding groove 9 and the grinding assembly, covering the cover plate 14, placing aside for later use, continuously grinding the next material, repeating the steps S1-S5 until the grinding of all the materials is completed, and opening the liquid discharge port 4 to discharge the liquid nitrogen.
When a person uses the grinding device, grinding materials are placed in the grinding groove 9, the grinding groove 9 is installed at the bottom of the supporting plate 12 through the connecting ring 10, the whole grinding assembly is clamped between the clamping rings 7, the stepping motor 17 is started to drive the bottom blade 20 and the grinding balls 22 to rotate after the grinding device is stably placed, according to the particle size of the required grinding materials, the air cylinder 18 drives the push rod 19 to adjust the distance between the grinding balls 22 and the bottom of the grinding groove 9, the blade 20 preliminarily crushes the grinding materials with larger volume in the rotating process, the grinding materials are accumulated at the bottom of the grinding groove 9 after being crushed into smaller particles, the vibration motor 21 drives the grinding balls 22 to vibrate, the grinding balls 22 extrude and grind the grinding materials in the rotating and vibrating process, the push rod 19 drives the grinding balls 22 to ascend for a distance after the grinding is completed, and the grinding balls 22 continuously vibrate and peel off the residual materials attached to the surfaces of the grinding balls 22; after the grinding assembly is taken out, the cover plate 14 is closed, and the grinding groove 9 and the grinding assembly are placed aside for standby; when the grinding groove 9 needs to be cleaned, the connecting ring 10 is detached, and then the grinding groove 9 is cleaned, wherein the model of the electric extension and drop rod 5 is XDHA12-150, the model of the stepping motor 17 is 86GY, the model of the air cylinder 18 is MAL25X25, and the model of the vibration motor 21 is 42BYGH 4818.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A material grinding device for biological laboratory, includes liquid nitrogen groove (1) to and dust cover (2) of setting on liquid nitrogen groove (1), its characterized in that: a bearing component is fixedly connected inside the liquid nitrogen tank (1), and a grinding component is fixedly connected inside the bearing component; a round hole is formed in the center of the top of the dust cover (2), a driving assembly is arranged in the round hole, and the driving assembly is located right above the grinding assembly;
the grinding assembly comprises a grinding groove (9), a connecting ring (10), clamping blocks (11), a supporting plate (12) and a cover plate (14), wherein the grinding groove (9) is located inside the liquid nitrogen groove (1), the connecting ring (10) is fixedly connected to the top of the grinding groove (9), and four clamping blocks (11) are respectively arrayed on one side of the top of the connecting ring (10); an installation groove is formed in the supporting plate (12), the four clamping blocks (11) are movably arranged in the supporting plate (12), and a cover plate (14) is movably connected to the top of the supporting plate (12);
the drive assembly comprises a push rod (19), a blade (20), a vibration motor (21) and grinding balls (22), the push rod (19) is arranged inside the dust cover (2), the blade (20) is fixedly connected to the peripheral side face of the bottom of the push rod (19), the vibration motor (21) is fixedly connected to the bottom of the push rod (19), the grinding balls (22) are fixedly connected to the bottom of the vibration motor (21), and the grinding balls (22) are movably connected with the inner portion of the grinding groove (9).
2. The material grinding device for the biological laboratory according to claim 1, characterized in that a mounting hole is formed on one side surface of the liquid nitrogen tank (1), and a liquid discharge port (4) is fixedly connected inside the mounting hole; one side surface of the dust cover (2) is hinged with a protective door (3).
3. The material grinding device for the biological laboratory is characterized in that two groups of supporting components are arranged, the two groups of supporting components are respectively arranged at the central positions of the tops of two opposite side surfaces of a liquid nitrogen tank (1), each supporting component comprises an electric lifting rod (5), a connecting rod (6), a clamping ring (7) and a supporting strip (8), the electric lifting rods (5) are fixedly connected at the central position of the top of one side surface of the liquid nitrogen tank (1), one end of the connecting rod (6) is fixedly connected to the top of each electric lifting rod (5), the other end of each connecting rod (6) is fixedly connected with the clamping ring (7), the supporting strip (8) is fixedly connected to the top of each clamping ring (7), and the clamping rings (7) are consistent with the supporting strip (8) in shape.
4. The material grinding device for the biological laboratory according to the claim 3, characterized in that the grinding component further comprises a pin shaft (13), a handle (15) and a name card slot (16), the supporting plate (12) is movably connected with the cover plate (14) through the pin shaft (13), the handle (15) is fixedly connected with the center position of the top of the cover plate (14), the name card slot (16) is fixedly connected with the top of the cover plate (14), and the name card slot (16) is adjacent to the handle (15).
5. The material grinding device for the biological laboratory is characterized in that the driving assembly further comprises a stepping motor (17) and a cylinder (18), the stepping motor (17) is fixedly connected to the top center of the dust cover (2), the bottom output end of the stepping motor (17) penetrates through a circular hole to be fixedly connected with the top of the cylinder (18), the output end of the stepping motor (17) is movably connected with the circular hole, and the cylinder (18) is located inside the dust cover (2) and is movably connected with the side face of the push rod (19) in the inner portion.
6. The material grinding device for the biological laboratory according to the claim 5, characterized in that the cross section outer diameter of the supporting plate (12) is slightly larger than the cross section outer diameter of the connecting ring (10), the bottom of the supporting plate (12) slightly protrudes out of a part of the connecting ring (10), and the bottom of the supporting plate (12) is fixedly connected by the top of the two supporting strips (8).
7. The material grinding device for the biological laboratory according to the claim 6 is characterized in that the material of the grinding groove (9) and the grinding ball (22) is made of glass, and the inner wall of the grinding groove (9) and the outer surface of the grinding ball (22) are made of frosted material.
8. The device for grinding materials for biological laboratories according to claim 7, characterized in that the inside of said liquid nitrogen tank (1) is filled with liquid nitrogen by opening a protective door (3).
9. A milling method for a material milling apparatus for a biological laboratory according to any one of claims 1 to 8, comprising the steps of:
s1, firstly, the grinding groove (9) and the connecting ring (10) connected with the grinding groove are rotationally clamped in the supporting plate (12), the cover plate (14) is opened by rotating the handle (15), and the material to be ground is placed in the grinding groove (9) by using tweezers or other test instruments;
s2, opening the protective door (3), placing the grinding assembly with the material to be ground between the two clamping rings (7), clamping, filling liquid nitrogen into the liquid nitrogen tank (1), and then closing the protective door (3);
s3, starting the stepping motor (17) and the vibrating motor (21), starting the driving push rod (19) of the air cylinder (18), and driving the blade (20) and the grinding ball (22) to the bottom of the grinding groove (9) to grind the grinding material;
s4, after grinding, the air cylinder (18) drives the push rod (19) to lift upwards, the vibration motor (21) continues to drive the grinding balls (22) to vibrate until small particles of materials attached to the surfaces of the grinding balls (22) completely fall off, and the stepping motor (17) and the vibration motor (21) are turned off;
s5, controlling the electric lifting rod (5) to drive the grinding groove (9) to lift upwards until the grinding groove (9) is separated from the liquid nitrogen solution, taking out the whole grinding groove (9) and the grinding assembly of the grinding groove, covering the cover plate (14), placing one side for standby, continuously grinding the next material, repeating the steps S1-S5 until the grinding of all the materials is finished, and opening the liquid discharge port (4) to discharge the liquid nitrogen.
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| CN113751158B (en) | 2023-04-25 |
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