CN114832890A - A grinder for chemical analysis - Google Patents
A grinder for chemical analysis Download PDFInfo
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- CN114832890A CN114832890A CN202210304500.9A CN202210304500A CN114832890A CN 114832890 A CN114832890 A CN 114832890A CN 202210304500 A CN202210304500 A CN 202210304500A CN 114832890 A CN114832890 A CN 114832890A
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- Prior art keywords
- grinding
- screen
- block
- fixedly connected
- chemical analysis
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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
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
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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
- B02C23/08—Separating or sorting of material, associated with crushing or 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
- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A grinding device for chemical analysis comprises a machine body, wherein two feed inlets are formed in the top end of the machine body, a grinding mechanism comprises a grinding body, the grinding body is fixedly installed inside the machine body, a grinding groove is formed in the grinding body, a grinding block is arranged in the middle of the grinding body, the surface of the grinding block is in clearance fit with the wall surface of the grinding groove, a gap between the grinding block and the wall surface of the grinding groove is filled with iron powder, and the particle size of the iron powder is smaller than the width of the gap; a cavity is arranged in the grinding body, a motor is arranged in the cavity, an output shaft of the motor is fixedly connected with a driving rod, the end part of the driving rod is fixedly connected with a driving gear, the end part of the grinding block is vertically and fixedly connected with one end of a driven rod, the other end of the driven rod is fixedly connected with a driven gear, and the driving gear is meshed with the driven gear; the iron plate is arranged in the grinding body and arranged along the wall surface of the grinding groove, and the iron plate is electrically connected with a power supply. The invention aims to retain unscreened samples in the body, and the unscreened samples which are inverted in the body can enter the grinding mechanism again to be ground and then be screened out from the other end.
Description
Technical Field
The invention belongs to the technical field of instrument analysis, and relates to a grinding device for chemical analysis.
Background
The X-ray diffraction is the most effective and widely applied means for chemical analysis, has a very wide application range, has penetrated into physics, chemistry, earth science, material science and various engineering technical sciences, becomes an important experimental method and structural analysis means, and has the advantage of no damage to a sample.
The inorganic synthesis experiment needs to analyze the microstructure of a test product, X-ray diffraction analysis is a preferred analysis method, a sample is ground firstly in the X-ray diffraction analysis experiment, the grinding mode obtained in a laboratory is that a ball mill automatically grinds or manually grinds by using a mortar, the manual grinding by using the mortar is suitable for microanalysis but not suitable for the condition that the number of the samples is large, the manual grinding exceeds ten samples, and the whole grinding process is time-consuming and labor-consuming; the ball mill is adopted for automatic grinding, the time-saving and labor-saving air-person grinding precision is high, but due to the working principle of the ball mill, fragments can be generated by 'steel balls' for grinding, and the fragments can become impurities mixed into a sample and become interference factors of analysis. For X-ray diffraction experiments, there is a need for a suitable milling apparatus that efficiently mills samples without introducing impurities.
Disclosure of Invention
The object of the present invention is to provide a polishing apparatus for chemical analysis that solves the problems set forth in the background art described above.
The technical scheme adopted by the invention is that the grinding device for chemical analysis comprises:
the top end of the machine body is provided with a first feeding hole, and the bottom end of the machine body is provided with a second feeding hole;
the grinding mechanism comprises a grinding body, the grinding body is fixedly arranged in the machine body, a grinding groove is formed in the grinding body, a grinding block is arranged in the middle of the grinding body, the surface of the grinding block is in clearance fit with the wall surface of the grinding groove, a clearance between the grinding block and the grinding groove is filled with iron powder, and the particle size of the iron powder is smaller than the width of the clearance;
a cavity is arranged in the grinding body, a motor is arranged in the cavity, an output shaft of the motor is fixedly connected with a driving rod, the end part of the driving rod is fixedly connected with a driving gear, the end part of the grinding block is vertically and fixedly connected with one end of a driven rod, the other end of the driven rod is fixedly connected with a driven gear, and the driving gear is meshed with the driven gear;
the grinding body and the grinding block are made of agate or ceramic, an iron plate is arranged in the grinding body and arranged along the wall surface of the grinding groove, and the iron plate is electrically connected with a power supply.
The invention is also characterized in that:
the surface of grinding piece is provided with the heliciform sand grip, and the grinding piece sets up for the rhombus structure, and the shape and the grinding piece shape phase-match in grinding the groove.
The inside first screen cloth that is provided with of organism, first screen cloth are located the one side of rinding body, and first screen cloth slope sets up and links, first screen cloth electric connection power for dismantling.
The lateral wall of organism bottom is provided with first sliding door, and first medicine box has been placed to the diapire in the organism, and first medicine box is located first screen cloth below.
The inside second screen cloth that is provided with of organism, second screen cloth are located the opposite side of rinding body, and the slope of second screen cloth sets up and links for dismantling, second screen cloth electric connection power.
The lateral wall on organism top is provided with the second sliding door, and the second medicine box has been placed to the roof in the organism, and the second medicine box is located second screen cloth top.
The grinding body tip is provided with the protective housing, and driven lever and drive lever are located the protective housing.
The invention has the beneficial effects that:
1. according to the invention, the iron powder is used for assisting the sample to be ground, the iron powder particles in the gaps are ground together with the sample, the iron powder particles grind the particle size of the sample to be the same as that of the iron powder particles, an experimenter adds the iron powder with the same particle size as the required particle size of the sample for assistance, the iron plates embedded in the wall surface of the grinding groove adsorb the iron powder, the roughness of the wall surface is increased by the iron powder, and the grinding is finer and more labor-saving.
2. The invention relates to a structure of screening samples symmetrically arranged at two ends of a machine body, and aims to ensure that a sample at one end enters a grinding mechanism to be screened, an unscreened sample stays in the machine body, the unscreened sample enters the grinding mechanism again to be ground and then is screened out from the other end after the machine body is inverted, and the design can be convenient for a laboratory technician to fully grind the sample.
Drawings
FIG. 1 is a schematic view of a polishing apparatus for chemical analysis according to the present invention;
FIG. 2 is a cross-sectional view of an abrasive body of an abrasive apparatus for chemical analysis according to the present invention;
FIG. 3 is a top view of a polishing block of a polishing apparatus for chemical analysis according to the present invention.
In the figure, 1, a machine body, 1-1, a first feeding port, 1-2, a second feeding port, 2, a grinding mechanism, 2-1, a grinding body, 2-2, a grinding block, 2-3, a motor, 2-4, a driving rod, 2-5, a driving gear, 2-6, a driven rod, 2-7, a driven gear, 2-8, an iron plate, 2-2-1, a spiral raised strip, 3, a first screen, 1-3, a first sliding door, 1-4, a second sliding door, 4, a first medicine box, 5, a second screen, 6, a second medicine box, 1-4, a second sliding door and 1-5, a protective shell.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description.
The invention relates to a grinding device for chemical analysis, which comprises a machine body 1, wherein a first feed inlet 1-1 is formed in the top end of the machine body 1, a second feed inlet 1-2 is formed in the bottom end of the machine body 1, and covers are arranged on the first feed inlet 1-1 and the second feed inlet 1-2. The middle part of the machine body is provided with a grinding mechanism 2, the grinding mechanism 2 comprises a grinding body 2-1 and a grinding block 2-2, and the grinding body 2-1 and the grinding block are made of agate or ceramic.
As shown in fig. 2 and 3, a grinding body 2-1 is fixedly installed inside a machine body 1, a grinding groove is formed inside the grinding body 2-1 in the middle of the machine body 1, a grinding block 2-2 is arranged in the middle of the grinding body 2-1, the grinding block 2-2 is in a diamond structure and is integrally in a gyro shape, spiral convex strips 2-2-1 are arranged on the surface of the grinding block 2-2, under the matching action between the spiral convex strips 2-2-1 and the grinding body 2-1, the grinding time of a sample can be prolonged, the grinding fineness is improved, the shape of the grinding groove is matched with the shape of the grinding block 2-2, the surface of the grinding block 2-2 is in clearance fit with the wall surface of the grinding groove, a clearance between the grinding block and the grinding groove is filled with iron powder, the particle size of the iron powder is smaller than the width of the clearance, and the clearance is used for grinding the sample, at the same time, the iron powder particles in the gap are ground together with the sample, the iron powder particles grinding the particle size of the sample to be the same as the particle size of the iron powder particles.
A cavity is arranged in the grinding body 2-1, a motor 2-3 is arranged in the cavity, an output shaft of the motor 2-3 is fixedly connected with a driving rod 2-4, the end part of the driving rod 2-4 is fixedly connected with a driving gear 2-5, the end part of the grinding block 2-2 is vertically and fixedly connected with one end of a driven rod 2-6, the other end of the driven rod 2-6 is fixedly connected with a driven gear 2-7, the driving gear 2-5 is meshed with the driven gear 2-7, a protective shell 1-5 is arranged at the end part of the grinding body 2-1, the driven rod 2-6 and the driving rod 2-4 are positioned in the protective shell 1-5, the two gears are placed in the protective shell 1-5, and sample particles are rolled into a polluted sample by a wall surface.
The iron plates 2-8 are arranged in the grinding body 2-1, the iron plates 2-8 are arranged along the wall surface of the grinding groove, the depth of the iron plates is 1-2 mm from the wall surface, the iron plates 2-8 are electrically connected with a power supply, the iron plates become electromagnets after being powered on and adsorb iron powder in a gap between the iron plates, the iron powder is adsorbed on the wall surface of the grinding groove above the iron plates, and a sample is ground by friction between the wall surface and the iron powder.
The inside first screen cloth 3 that is provided with of organism 1, first screen cloth 3 are located the one side of rinding body 2-1, and first screen cloth 3 slope sets up and for dismantling the link, first screen cloth 3 electric connection power, and the lateral wall of 1 bottom of organism is provided with first sliding door 1-3, and first medicine box 4 has been placed to the diapire in the organism 1, and first medicine box 4 is located first screen cloth 3 below.
The inside second screen cloth 5 that is provided with of organism 1, second screen cloth 5 are located the opposite side of rinding body 2-1, and the slope of second screen cloth 5 sets up and for dismantling the link, and second screen cloth 5 electric connection power, the lateral wall on 1 top of organism are provided with second sliding door 1-4, and second medicine box 6 has been placed to the roof in the organism 1, and second medicine box 6 is located second screen cloth 5 top.
Foretell structure is medicine screening mechanism, the structure of the screening sample of organism both ends symmetry setting, and its purpose is that one end sample gets into to be sieved after grinding, and the sample that is not sieved is detained inside the organism, and the sample of inverting the organism not sieved can get into grinding mechanism 2 again and grind then sieve away from the other end.
The invention relates to a grinding device for chemical analysis, which comprises the following working processes:
opening the lid of first feed inlet, mixing the sample that needs to grind with the iron powder, the mixing ratio is 3 ~ 4: 1, the organism is poured into by first feed inlet to the mixture finishes, the sample slides in the gap of rinding body and abrasive brick, starting power supply, the motor begins work, in driving gear and driven gear's cooperation, the drive lever drives the driven lever initiative, the abrasive brick is at the grinding inslot internal rotation of rinding body, iron plate switch on power supply produces magnetic force and adsorbs the iron powder, the iron powder stops in the gap, the sample rubs with the iron powder emergence, the sample is along the downward landing in gap, qualified sample of particle diameter falls into first medicine box through first screen cloth, open first sliding door, take out first medicine box.
The whole machine body is turned over and turned upside down. And opening the second sliding door, putting the second medicine box into the second sliding door, allowing the sample retained in the machine body to enter the grinding mechanism again for grinding, allowing the sample with qualified particle size to fall into the second medicine box through the second screen, opening the second sliding door, and taking out the first medicine box.
The invention relates to a grinding device for chemical analysis, which has the beneficial effects that:
according to the invention, the iron powder is used for assisting the sample to be ground, the iron powder particles in the gaps are ground together with the sample, the iron powder particles grind the particle size of the sample to be the same as that of the iron powder particles, an experimenter adds the iron powder with the same particle size as the required particle size of the sample for assistance, the iron plates embedded in the wall surface of the grinding groove adsorb the iron powder, the roughness of the wall surface is increased by the iron powder, and the grinding is finer and more labor-saving. The structure of the screening sample that organism both ends symmetry set up, its purpose one end sample gets into to be sieved after grinding, and the sample that is not sieved is detained inside the organism, and the sample of inverting the organism not being sieved can get into again and grind the mechanism and grind then go out from the other end screening, and this design can make things convenient for the laboratory technician to fully grind the sample.
Claims (7)
1. A polishing apparatus for chemical analysis, comprising:
the device comprises a machine body (1), wherein a first feeding hole (1-1) is formed in the top end of the machine body, and a second feeding hole (1-2) is formed in the bottom end of the machine body;
the grinding mechanism (2) comprises a grinding body (2-1), the grinding body (2-1) is fixedly arranged in the machine body (1), a grinding groove is formed in the grinding body (2-1), a grinding block (2-2) is arranged in the middle of the grinding body (2-1), the surface of the grinding block (2-2) is in clearance fit with the wall surface of the grinding groove, a gap between the grinding block and the grinding groove is filled with iron powder, and the particle size of the iron powder is smaller than the width of the gap;
a cavity is arranged in the grinding body (2-1), a motor (2-3) is arranged in the cavity, an output shaft of the motor (2-3) is fixedly connected with a driving rod (2-4), the end part of the driving rod (2-4) is fixedly connected with a driving gear (2-5), the end part of the grinding block (2-2) is vertically and fixedly connected with one end of a driven rod (2-6), the other end of the driven rod (2-6) is fixedly connected with a driven gear (2-7), and the driving gear (2-5) is meshed with the driven gear (2-7);
the grinding body (2-1) and the grinding block (2-2) are made of agate or ceramic, an iron plate (2-8) is arranged inside the grinding body (2-1), the iron plate (2-8) is arranged along the wall surface of the grinding groove, and the iron plate (2-8) is electrically connected with a power supply.
2. The polishing device for chemical analysis according to claim 1, wherein the polishing block (2-2) has spiral raised strips (2-2-1) on its surface, the polishing block (2-2) has a diamond structure, and the shape of the polishing grooves matches the shape of the polishing block (2-2).
3. A grinder assembly for chemical analysis according to claim 2, wherein the body (1) is provided with a first screen (3), the first screen (3) is located at one side of the grinder (2-1), the first screen (3) is disposed obliquely and is detachably connected, and the first screen (3) is electrically connected to a power source.
4. A grinder device for chemical analyses according to claim 3, characterized in that the side wall of the bottom end of the body (1) is provided with a first sliding door (1-3), a first cartridge (4) being placed on the bottom wall inside the body (1), said first cartridge (4) being located below the first screen (3).
5. A mill device for chemical analysis according to claim 3, characterized in that the machine body (1) is provided with a second screen (5) inside, the second screen (5) is located at the other side of the mill body (2-1), the second screen (5) is arranged obliquely and is a detachable link, and the second screen (5) is electrically connected with a power supply.
6. A grinder device for chemical analyses according to claim 4, characterized in that the side walls of the top of the body (1) are provided with second sliding doors (1-4), the top wall of the interior of the body (1) being provided with a second cartridge (6), said second cartridge (6) being located above the second screen (5).
7. A grinding device for chemical analysis according to claim 1, characterized in that the end of the grinding body (2-1) is provided with a protective housing (1-5), and the driven rod (2-6) and the driving rod (2-4) are located in the protective housing (1-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210304500.9A CN114832890A (en) | 2022-03-26 | 2022-03-26 | A grinder for chemical analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210304500.9A CN114832890A (en) | 2022-03-26 | 2022-03-26 | A grinder for chemical analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114832890A true CN114832890A (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210304500.9A Pending CN114832890A (en) | 2022-03-26 | 2022-03-26 | A grinder for chemical analysis |
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| CN (1) | CN114832890A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1026432B (en) * | 1974-02-07 | 1978-09-20 | Raytheon Co | Grinding sewage for chemical analysis - by complementary frusto-conical abrasive surfaces with pores of wide size range |
| CN111037772A (en) * | 2019-12-20 | 2020-04-21 | 金华市大友谊塑粉科技有限公司 | Mould powder stirring firing equipment |
| CN210522595U (en) * | 2019-08-28 | 2020-05-15 | 济南市农产品质量检测中心 | Grinding device |
| CN112024024A (en) * | 2020-09-10 | 2020-12-04 | 中冶京诚工程技术有限公司 | Quick grinding device |
| CN112476064A (en) * | 2019-09-11 | 2021-03-12 | 长春工业大学 | Vibration-assisted magnetic abrasive polishing device and method for microstructure |
| CN112871304A (en) * | 2020-12-31 | 2021-06-01 | 方桓源 | Energy-concerving and environment-protective type rice processing equipment |
| CN213349000U (en) * | 2020-08-20 | 2021-06-04 | 许昌学院 | Grinding device for molecular biology experiments |
| CN114226004A (en) * | 2021-12-21 | 2022-03-25 | 内蒙古工业大学 | Efficient mine mountain stone breaker |
-
2022
- 2022-03-26 CN CN202210304500.9A patent/CN114832890A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1026432B (en) * | 1974-02-07 | 1978-09-20 | Raytheon Co | Grinding sewage for chemical analysis - by complementary frusto-conical abrasive surfaces with pores of wide size range |
| CN210522595U (en) * | 2019-08-28 | 2020-05-15 | 济南市农产品质量检测中心 | Grinding device |
| CN112476064A (en) * | 2019-09-11 | 2021-03-12 | 长春工业大学 | Vibration-assisted magnetic abrasive polishing device and method for microstructure |
| CN111037772A (en) * | 2019-12-20 | 2020-04-21 | 金华市大友谊塑粉科技有限公司 | Mould powder stirring firing equipment |
| CN213349000U (en) * | 2020-08-20 | 2021-06-04 | 许昌学院 | Grinding device for molecular biology experiments |
| CN112024024A (en) * | 2020-09-10 | 2020-12-04 | 中冶京诚工程技术有限公司 | Quick grinding device |
| CN112871304A (en) * | 2020-12-31 | 2021-06-01 | 方桓源 | Energy-concerving and environment-protective type rice processing equipment |
| CN114226004A (en) * | 2021-12-21 | 2022-03-25 | 内蒙古工业大学 | Efficient mine mountain stone breaker |
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