CN114849870A - Automatic grinding system for energetic samples - Google Patents
Automatic grinding system for energetic samples Download PDFInfo
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- CN114849870A CN114849870A CN202210797127.5A CN202210797127A CN114849870A CN 114849870 A CN114849870 A CN 114849870A CN 202210797127 A CN202210797127 A CN 202210797127A CN 114849870 A CN114849870 A CN 114849870A
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- grinding
- pestle
- mortar
- lifting
- grinding pestle
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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
- B02C19/08—Pestle and mortar
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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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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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)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to an automatic energy-containing sample grinding system which comprises a rack, a grinding device, a grinding pestle lifting device, a grinding pressure adjusting device, a protective device and a cooling device, wherein the protective device comprises an upper protective cover and a lower protective plate, the upper protective cover is provided with a grinding pestle, and the lower protective plate is provided with a mortar; the grinding device is used for rotating the mortar and the grinding pestle to automatically grind the energetic sample; the grinding pestle lifting device is used for lifting the upper protective cover of the protective device so that the grinding pestle arranged on the upper protective cover is far away from or close to the mortar arranged on the lower protective plate of the protective device; the grinding pressure adjusting device is used for adjusting the pressure of the grinding pestle to the mortar; the protective device is used for sealing the mortar and the grinding pestle in the protective cover; the cooling device is used for cooling the energetic sample in the mortar. According to the invention, by arranging the grinding device, the grinding pestle lifting device, the grinding pressure adjusting device and the cooling device, the grinding pressure and temperature can be automatically controlled, and the automatic grinding of the energy-containing sample is realized.
Description
Technical Field
The invention belongs to the field of laboratory sample preparation, and particularly relates to an automatic grinding system for an energy-containing sample.
Background
Some of the samples in laboratory materials research have high energy and are flammable and explosive, and need to be ground to the required particle size (micron size) during use, which requires great care and patience by the operator to avoid the risk of burning or exploding the sample.
The current patent CN 108554583B-an explosion-proof safety grinding device provides a protection structure for protecting operators, and it has the disadvantages that it cannot automatically grind samples, and cannot effectively solve the problems of energy-containing sample loss and equipment damage caused by improper operation (grinding pressure, grinding temperature control).
The present invention has been made in view of the above circumstances.
Disclosure of Invention
The invention aims to provide an automatic grinding system for an energy-containing sample, which can effectively control grinding pressure and grinding temperature so as to avoid the loss of the energy-containing sample and can realize the automatic grinding of the energy-containing sample.
The technical scheme of the invention is as follows: an automatic grinding system for energy-containing samples comprises a rack, a grinding device, a grinding pestle lifting device, a grinding pressure adjusting device, a protecting device and a cooling device, wherein the rack is used for supporting the grinding pestle lifting device, the protecting device and the cooling device;
the protective device comprises an upper protective cover and a lower protective plate, a grinding pestle is arranged on the upper protective cover, and a mortar is arranged on the lower protective plate;
the grinding device is used for rotating the mortar and the grinding pestle to automatically grind the energetic sample;
the grinding pestle lifting device is used for lifting the upper protective cover of the protective device so that the grinding pestle mounted on the upper protective cover is far away from or close to the mortar mounted on the lower protective plate of the protective device;
the grinding pressure adjusting device is used for adjusting the pressure of the grinding pestle to the mortar;
the cooling device is used for cooling the energetic sample in the mortar.
When the grinding device works, the grinding device automatically grinds the energy-containing sample; the grinding pressure adjusting device maintains the grinding pressure of the energy-containing sample in a controllable range, and the cooling device maintains the temperature of the energy-containing sample in the controllable range, so that the energy-containing sample can be automatically ground safely and smoothly.
Further, the upper protective cover is arranged at the lower end of a driving rod of the grinding pestle lifting device, the grinding pestle lifting device is arranged at the upper part of the rack, and the grinding pressure adjusting device is arranged on the grinding pestle;
the lower protection plate is arranged on a slide rail of the rack; a supporting plate of the cooling device is arranged on the lower surface of the mortar, and a circulating liquid path is arranged in the supporting plate;
when the upper protective cover and the lower protective plate are folded together, a closed protective cover is formed.
Furthermore, a rail drawing structure is arranged on the rack, the drawing structure comprises a pair of slide rails of the transverse main body part of the rack and a plurality of slide blocks arranged on the slide rails, the slide blocks are fixed at the bottom of the lower protection plate, and when the lower protection plate is drawn, the back and forth movement of the mortar is realized. This kind of structure is convenient to put into the mortar with the energetic sample that will wait to grind, or is convenient to take out the energetic sample that has ground from the mortar.
Further, the grinding device comprises an explosion-proof speed reduction motor, a mortar, a scraping plate and a grinding pestle, an output shaft of the explosion-proof speed reduction motor is fixedly connected with the center of the bottom of the mortar, the scraping plate and the grinding pestle are arranged on the protective device, when the grinding pestle lifting device descends, the scraping plate is in contact with the side wall of the mortar, and the grinding pestle and the central part of the mortar jointly grind the energetic sample in the mortar; the grinding pestle comprises a lower grinding pestle head and an upper grinding pestle rod.
Further, the grinding pestle lifting device comprises a first lifting driving cylinder and a second lifting driving cylinder which are respectively arranged on the upper parts of the plate walls on two sides of the vertical upright part of the frame, and driving rods of the first lifting driving cylinder and the second lifting driving cylinder are respectively connected with the left side and the right side of the upper part of the upper protective cover of the protective device.
Optionally, the first and second lift drive cylinders are pneumatic and/or hydraulic cylinders.
Further, grinding pressure adjusting device includes mount pad, thrust bearing, pressure sensor, first fixing base, spring, second fixing base, pestle regulating shaft and pressure adjustment motor, and thrust bearing, pressure sensor, first fixing base, spring, second fixing base and the pestle regulating shaft with grinder's grinding pestle pole interference fit are installed according to the order from the top down in proper order to mount pad inside, and the pressure adjustment motor sets up in the top of mount pad outside, the front portion of the motor shaft of pressure adjustment motor is provided with the screw to behind thrust bearing, pressure sensor, first fixing base, the spring, the motor shaft passed through behind thrust bearing, pressure sensor, first fixing base, the spring, the screw is connected with the screw of second fixing base center department. When the pressure adjusting motor rotates, the second fixing seat can move up and down under the limiting of the guide posts on the two sides, so that the spring is extruded or loosened, and the pressure of the grinding pestle head of the grinding device on the mortar is adjusted.
Optionally, the pressure regulating motor is a stepper motor or a servo motor.
Further, protector still includes and lets out the piece of exploding, let and explode the piece setting on the lateral wall of last protection casing.
Furthermore, cooling device includes layer board, hose and circulating pump, be provided with the circulation liquid way on the layer board, the inlet and the liquid outlet on circulation liquid way are connected with the circulating pump through the hose respectively, the circulating pump is used for being connected with the coolant liquid case that sets up in the frame outside.
Further, the cooling device also comprises a temperature sensor, and the temperature sensor is arranged in a gap between a scraper plate and a grinding pestle head of the grinding device. The temperature sensor directly measures the temperature of the sample, and the mortar bowl body is cooled down through the circulating water path, so that the over-high grinding temperature of the sample is prevented.
Preferably, the mortar and grinding pestle head are made of agate. The agate material is not easy to generate static electricity when being rubbed and extruded.
Furthermore, contain ability sample automatic grinding system still includes controlling means, controlling means respectively with grinder, grinding pestle elevating gear, grinding pressure adjusting device, protector and cooling device signal link to each other, can set up grinding pressure, grinding accuse temperature, grinding time through controlling means's operation screen interface to automatically regulated grinds pressure and grinding temperature.
Furthermore, the energy-containing sample automatic grinding system also comprises a manipulator and a conveying belt, and can realize automatic sampling, automatic lofting and automatic grinding operation of samples.
The invention has the beneficial effects that: 1. according to the invention, the grinding device capable of separating the mortar and the grinding pestle lifting device are arranged, so that the automatic grinding of the energy-containing sample can be realized.
2. According to the invention, the grinding pressure and the grinding temperature can be controlled by arranging the grinding pressure adjusting device and the cooling device.
3. The invention adopts a drawing structure, thereby being convenient for taking and placing the mortar and the sample.
4. The grinding pressure adjusting device provided by the invention drives the compression spring through the motor and is matched with the pressure sensor to feed back and accurately control the pressure when a sample is ground.
5. The protection device provided by the invention adopts the upper protection cover and the explosion venting sheet, and can protect pestle heads and mortar accessories when detonation occurs.
6. The temperature sensor in the cooling device can directly measure the temperature of the sample, and the mortar bowl body is cooled by the circulating water channel, so that the overhigh grinding temperature of the sample is prevented.
7. The invention adopts the mortar and the grinding pestle head made of agate materials, thereby avoiding the generation of static electricity during friction and extrusion.
8. According to the invention, by arranging the control device, the grinding pressure, the grinding temperature control and the grinding time can be set through the interface of the operation screen, so that the grinding pressure and the grinding temperature can be automatically adjusted.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an automated energy-containing sample grinding system according to the present invention, wherein the mortar and the grinding pestle are in close proximity.
Fig. 2 is a schematic diagram of the embodiment of fig. 1 with the mortar and pestle in a remote position.
FIG. 3 is a partial schematic view of another angle of the embodiment of FIG. 1.
FIG. 4 is a schematic diagram of a polishing apparatus according to an embodiment of the present invention.
FIG. 5 is a schematic diagram of a grinding pestle lifting device according to an embodiment of the present invention.
FIG. 6 is a schematic diagram of a polishing pressure adjustment apparatus of an embodiment of an automatic polishing system for energetic samples according to the present invention.
FIG. 7 is a schematic diagram of a guard of an embodiment of an automated polishing system for energetic samples according to the present invention.
Fig. 8 is a schematic diagram of a carrier plate according to an embodiment of an automated polishing system for energetic samples, wherein (a) is a top view and (b) is a front view.
FIG. 9 is a process flow diagram of one embodiment of an automated polishing system for energetic samples according to the present invention.
Wherein, 1-a frame, 11-a frame transverse main body part, 111-a slide rail, 112-a slide block, 12-a frame vertical upright part, 2-a grinding device, 21-an explosion-proof speed reducing motor, 22-a mortar, 23-a scraper plate, 24-a grinding pestle, 241-a grinding pestle head, 242-a grinding pestle rod, 25-a double-row bearing, 3-a grinding pestle lifting device, 31-a first lifting driving cylinder, 311-a first driving rod, 32-a second lifting driving cylinder, 321-a second driving rod, 4-a grinding pressure adjusting device, 41-an installation seat, 411-a guide column, 42-a thrust bearing, 43-a pressure sensor, 44-a first fixed seat, 45-a spring, 46-a second fixed seat and 461-a guide groove, 47-pestle adjusting shaft, 471-deep groove ball bearing, 472-clamp spring, 473-needle bearing, 474-sealing cover, 48-pressure adjusting motor, 5-protective device, 51-upper protective cover, 52-lower protective plate, 53-explosion venting sheet, 6-cooling device, 61-supporting plate, 62-hose, 63-circulating pump, 64-temperature sensor, 65-liquid pipe, 611-circulating liquid path, 612-liquid inlet, 613-liquid outlet and 7-operation screen.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention are described in detail below with reference to the accompanying drawings:
in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
As shown in fig. 1-3, the present invention provides an automatic grinding system for energy-containing samples, which includes a frame 1, a grinding device 2, a grinding pestle lifting device 3, a grinding pressure adjusting device 4, a protecting device 5 and a cooling device 6, wherein the frame 1 is used for supporting the grinding pestle lifting device 3, the protecting device 5 and the cooling device 6;
the grinding device 2 is used for rotating the mortar 22 and the grinding pestle 24 to automatically grind the energetic sample;
the grinding pestle lifting device 3 is used for lifting the upper shield 51 of the guard device 5 so that the grinding pestle 24 mounted on the upper shield 51 is far away from or close to the mortar 22 mounted on the lower shield 52 of the guard device 5;
the grinding pressure adjusting device 4 is used for adjusting the pressure of the grinding pestle 24 to the grinding bowl 22;
the guard 5 is used to enclose the mortar 22 and the grinding pestle 24 within a protective enclosure;
the cooling device 6 is used to cool the energetic sample in the mortar 22.
When in work, the grinding device 2 automatically grinds the energy-containing sample; the grinding pressure adjusting device 4 maintains the grinding pressure of the energetic sample in a controllable range, and the cooling device 6 maintains the temperature of the energetic sample in a controllable range, so that the energetic sample can be automatically ground safely and smoothly.
As shown in fig. 1 to 3, the whole frame 1 is L-shaped, and includes a frame transverse main body 11 and a frame vertical upright 12, the frame transverse main body 11 is a U-shaped groove with an open top, the tops of the walls on both sides of the U-shaped groove are respectively provided with a sliding rail 111, each sliding rail 111 is provided with at least one sliding block 112, the two sliding rails 111 are parallel, and the sliding blocks 112 are fixed at the bottom of the protection device 5. The cooperation of the slide rail 111 and the slide block 112 can enable the mortar 22 in the grinding device 2 arranged on the protection device 5 to move left and right, so that the energetic sample to be ground can be conveniently put into the mortar 22, or the ground energetic sample can be conveniently taken out of the mortar 22. The vertical upright part 12 of the frame is an inverted U-shaped groove with an opening at the bottom, and the upper parts of the plate walls at two sides of the inverted U-shaped groove are provided with a grinding pestle lifting device 3 for lifting the grinding pestle 24 of the grinding device 2, the grinding pressure adjusting device 4 and the upper protective cover 51 of the protective device 5.
As shown in fig. 4, the grinding device 2 comprises an explosion-proof speed-reducing motor 21, a mortar 22, a scraping plate 23 and a grinding pestle 24, wherein an output shaft of the explosion-proof speed-reducing motor 21 is fixedly connected with the bottom center of the mortar 22, the scraping plate 23 and the grinding pestle 24 are both arranged on the protection device 5, when the grinding pestle lifting device 3 descends, the scraping plate 23 can be in contact with the side wall of the mortar 22, and the grinding pestle 24 and the central part of the mortar 22 can jointly grind the energetic sample in the mortar 22; the grinding pestle 24 includes a lower grinding pestle head 241 and an upper grinding pestle rod 242.
The mortar 22 and the pestle 24 are made of agate, considering that the agate material is not likely to generate static electricity when rubbed and pressed.
As shown in fig. 5, the grinding pestle lifting and lowering device 3 includes a first lifting and lowering driving cylinder 31 and a second lifting and lowering driving cylinder 32 respectively provided on the upper portions of the plate walls on both sides of the inverted U-shaped groove of the frame vertical upright portion 12, the first lifting and lowering driving cylinder 31 includes a first driving rod 311, the second lifting and lowering driving cylinder 32 includes a second driving rod 321, the first lifting and lowering driving cylinder 31 and the second lifting and lowering driving cylinder 32 are respectively provided on the upper portions of the plate walls on both sides of the frame vertical upright portion 12, their first driving rod 311 and second driving rod 321 extend toward the lower portions of the plate walls on both sides of the inverted U-shaped groove, and the first driving rod 311 and the second driving rod 321 are respectively connected to both left and right sides of the upper portion of the upper guard 51 of the guard 5. Two lift actuating cylinders go up and down in step for go up the protection casing and also follow the lift, driven the grinding pestle that sets up on last protection casing and scrape the flitch also go up and down in step.
The first and second elevation driving cylinders 31 and 32 may be pneumatic and/or hydraulic cylinders.
As shown in fig. 6, the grinding pressure adjusting device 4 includes a mounting seat 41, a thrust bearing 42, a pressure sensor 43, a first fixed seat 44, a spring 45, a second fixed seat 46, a pestle adjusting shaft 47, and a pressure adjusting motor 48.
The mounting seat 41 is a cylindrical container for accommodating other components of the grinding pressure adjusting device 4 except for the pressure adjusting motor 48 and the mounting seat 41 itself, the mounting seat 41 is cylindrical with openings at the upper and lower parts, the upper part of the mounting seat is opened for passing through a motor shaft of the pressure adjusting motor 48, and the lower part of the mounting seat is opened for passing through a pestle adjusting shaft 47; the inside of the mounting seat 41 is formed in a stepped hole shape, and is used for installing a plurality of components of the polishing pressure adjusting device 4.
Inside according to the order from the top down of installing seat 41 installs thrust bearing 42 in proper order, pressure sensor 43, first fixing base 44, spring 45, second fixing base 46 and pestle regulating shaft 47, thrust bearing 42 sets up the top inside installing seat 41, pressure sensor 43 sets up between thrust bearing 42 and first fixing base 44, spring 45 sets up between first fixing base 44 and second fixing base 46, pestle regulating shaft 47 sets up in second fixing base 46 lower part, form the face contact between pestle regulating shaft 47 and the second fixing base 46 the two, can transmit pestle regulating shaft 47 axial grinding pressure.
The outer surface of the second fixing base 46 is provided with a guide slot 461, which constitutes a guide device for the second fixing base 46 to move up and down inside the mounting base 41 together with the guide column 411 arranged inside the mounting base 41. There may be a plurality of guide slots 461 and guide posts 411, preferably 4.
The pestle adjusting shaft 47 is a stepped shaft with a stepped hole arranged inside, and comprises an upper small-diameter section, a middle-diameter section and a lower large-diameter section, wherein the upper small-diameter section is provided with a deep groove ball bearing 471 and is fixed with the deep groove ball bearing 471 through a clamp spring 472; the middle diameter section of the middle part is provided with two needle roller bearings 473 which are far away from each other as far as possible and are sealed in the inner hole of the mounting seat 41 through respective sealing covers 474, and the middle diameter section of the pestle adjusting shaft 47 is in contact with the inner ring of the needle roller bearings 473, so that the pestle adjusting shaft 47 can rotate and move up and down in the mounting seat 41; the large diameter section of the lower part of the protective device extends to the middle opening of the upper protective cover 51 of the protective device 5; the inside of pestle regulating shaft 47 is provided with the shoulder hole, and the major diameter hole of its lower part is used for holding the upper portion of grinding pestle pole 242, and pestle regulating shaft 47 and grinding pestle pole 242 interference fit and fixed through the pin prevent circumferential sliding and axial float between the two.
The pressure adjusting motor 48 is disposed outside the top end of the mounting seat 41, a screw thread is disposed at the front portion of a motor shaft of the pressure adjusting motor, and the motor shaft is connected with a screw hole at the center of the second fixing seat 46 by the screw thread at the front portion after passing through the thrust bearing 42, the pressure sensor 43, the first fixing seat 44 and the spring 45. When the pressure adjusting motor 48 rotates, the second fixing base 46 can move up and down under the limit of the two side guiding posts 461, so as to press or release the spring 45, thereby adjusting the pressure of the grinding pestle head 241 on the mortar 22.
The pressure adjustment motor 48 may be a stepper motor or a servo motor.
As shown in fig. 7, the protection device 5 includes an upper protection cover 51, a lower protection cover 52 and an explosion venting sheet 53, an upper opening for installing the grinding pressure adjusting device 4 is provided at the upper center of the upper protection cover 51, a lower opening for installing the grinding device 2 and the cooling device 6 is provided at the center of the lower protection cover 52, the upper protection cover 51 and the lower protection cover 52 can jointly form a closed protection cover to isolate the mortar 22 from the rest parts, and the explosion venting sheet 53 is provided on the side wall of the upper protection cover 51 and has the function of directional and rapid pressure relief when the energy-containing sample in the protection cover is burnt or exploded, so that pestle and mortar accessories can be protected.
As shown in fig. 1, 3 and 8, the cooling device 6 includes a supporting plate 61, a hose 62, a circulating pump 63 and a temperature sensor 64, the supporting plate 61 is provided with a circulating liquid path 611, a liquid inlet 612 and a liquid outlet 613 of the circulating liquid path 611 are respectively connected with the circulating pump 63 through the hose 62, and the circulating pump 63 is connected with a cooling liquid tank disposed adjacent to the outside of the rack 1; the temperature sensor 64 is disposed in the gap between the scraper plate 23 of the grinding device 2 and the grinding pestle head 241.
As shown in fig. 1, the motor body of the explosion-proof deceleration motor 21 of the grinding device 2 is fixed at the lower portion of the lower protection plate 52 of the protection device 5 through a double-row bearing 25, two liquid pipes 65 are arranged in the motor body of the explosion-proof deceleration motor 21, wherein the upper portion of one liquid pipe 65 is connected with the liquid inlet 612, the lower portion of the other liquid pipe 65 is connected with one hose 62, the upper portion of the other liquid pipe 65 is connected with the liquid outlet 613, and the lower portion of the other liquid pipe 62 is connected with the other hose 62. The arrangement has the advantages that the explosion-proof speed reducing motor 21 has a driving function and a liquid path communicating function, so that the whole structure is compact.
In a preferred embodiment of the present invention, the energy-containing sample automatic grinding system further comprises a control device, the control device is respectively in signal connection with the grinding device 2, the grinding pestle lifting device 3, the grinding pressure adjusting device 4, the protecting device 5 and the cooling device 6, and the grinding pressure, the grinding temperature control and the grinding time can be set through an interface of an operation screen 7 of the control device, so as to automatically adjust the grinding pressure and the grinding temperature.
The whole operation process of one embodiment of the energy-containing sample automatic grinding system is as follows: after the system is started, the system is reset by self-test, the first lifting driving cylinder 31 and the second lifting driving cylinder 32 retract, and the pressure adjusting motor 48 pulls back the second fixed seat 46 (at this time, the spring 45 is in a compressed state, and the pressure display value of the pressure sensor 43 is maximum). The operator touches the operation panel 7 to set the polishing pressure, polishing temperature, and polishing time. The worker pulls out the lower guard plate 52, places the mortar 22 and energetic sample, and pushes in the lower guard plate 52. Clicking a start button in the operation screen 7, enabling the first lifting driving cylinder 31 and the second lifting driving cylinder 32 to act, putting down the upper protective cover 51 to form a closed cavity with the lower protective plate 52, enabling the pressure adjusting motor 48 to rotate to release the second fixed seat 46, enabling the spring 45 to stretch out to transmit pressure to the grinding pestle head 241, and enabling the pressure sensor 43 to feedback control the motor to start and stop in real time according to a set value and rotate forward and backward to reach the set pressure value. After the pressure value reaches a set value, the explosion-proof speed reducing motor 21 is started to drive the mortar 22 to rotate, and the mortar 22 drives the grinding pestle head 241 to rotate and grind the sample. The temperature sensor 64 detects the temperature of the sample, and the circulation pump 63 is started to cool the mortar 22. When the temperature of the sample reaches a set value, the explosion-proof speed reducing motor 21 stops rotating and continues cooling, and after the temperature reaches a safe temperature, the grinding is started again (the pause time does not account for the total grinding time). When the set grinding time is up, the equipment is stopped and the initial state is recovered. And (5) waiting for manually taking the sample away, and starting the next grinding.
Need explore grinding process when carrying out different kinds of sample grinding for the first time, grinding pressure, the too high condition of grinding temperature setting probably appear this moment, the detonation condition probably appears, and at this moment, let out explosion piece 53 and can break release pressure the very first time, avoid damaging pestle head, mortar. The upper protective cover 51 is externally provided with a frame metal plate which is a second-layer protective structure and prevents operators from being injured. The explosion venting sheet 53 is placed on the back of the device, away from the operator.
As shown in fig. 9, the operation process of the automatic grinding system for energy-containing samples according to a preferred embodiment of the present invention further includes a manipulator and a conveyor belt, which can realize automatic sampling, automatic lofting and automatic grinding operations of samples. After the device is started, sensors at all positions of the device are subjected to self-checking, and the driving mechanism is reset. The sensors on the supporting plate detect whether the mortar and the sample exist, and when the mortar and the sample are not detected, the mechanical arm places the mortar and the sample on the supporting plate. When the mortar and the sample are detected, the lifting mechanism is started to move the pestle head downwards, and the pressure adjusting mechanism adjusts according to the set pressure value to enable the grinding pressure to reach the set value. The grinding motor is started, the sample is ground, meanwhile, the temperature sensor and the pressure sensor are used for monitoring in real time, and the cooling device and the pressure adjusting device are controlled to control the grinding temperature and the grinding pressure. And when the set grinding time is reached, stopping the grinding motor to work, and finishing grinding. The lifting mechanism moves back to the initial position, and the mechanical arm takes away the ground sample. The manipulator, the equipment reset waits for the task to be scheduled or executes the scheduled unexecuted task.
When the grinding temperature and the grinding pressure equipment cannot be controlled, a fault signal is output, the equipment stops running, manual intervention is called, and faults are processed.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (10)
1. An automatic energy-containing sample grinding system comprises a rack (1), a grinding device (2), a grinding pestle lifting device (3), a grinding pressure adjusting device (4), a protective device (5) and a cooling device (6), wherein the rack (1) is used for supporting the grinding pestle lifting device (3), the protective device (5) and the cooling device (6); the method is characterized in that:
the protection device (5) comprises an upper protection cover (51) and a lower protection plate (52), a grinding pestle (24) is installed on the upper protection cover (51), and a mortar (22) is installed on the lower protection plate (52);
the grinding device (2) is used for rotating the mortar (22) and the grinding pestle (24) to automatically grind the energetic sample;
the grinding pestle lifting device (3) is used for lifting an upper protective cover (51) of the protective device (5) so that the grinding pestle (24) installed on the upper protective cover (51) is far away from or close to the mortar (22) installed on a lower protective plate (52) of the protective device (5);
the grinding pressure adjusting device (4) is used for adjusting the pressure of the grinding pestle (24) to the mortar (22);
the cooling device (6) is used for cooling the energy-containing sample in the mortar (22).
2. The automated energy-containing sample milling system of claim 1, wherein: the upper protective cover (51) is arranged at the lower ends of a first driving rod (311) and a second driving rod (321) of the grinding pestle lifting device (3), the grinding pestle lifting device (3) is arranged at the upper part of the frame (1), and the grinding pressure adjusting device (4) is arranged on the grinding pestle (24);
the lower protection plate (52) is arranged on a sliding rail (111) of the rack (1); a supporting plate (61) of the cooling device (6) is arranged on the lower surface of the mortar (22), and a circulating liquid path (611) is arranged in the supporting plate (61);
when the upper protective cover (51) and the lower protective cover (52) are folded together, a closed protective cover is formed.
3. The automated energy-containing sample milling system of claim 1, wherein: the mortar grinding machine is characterized in that a rail drawing structure is arranged on the rack (1), the drawing structure comprises a pair of sliding rails (111) of the transverse main body part (11) of the rack and a plurality of sliding blocks (112) arranged on the sliding rails (111), the sliding blocks (112) are fixed at the bottom of the lower protection plate (52), and when the lower protection plate (52) is drawn, the mortar (22) can move back and forth.
4. The automated energy-containing sample milling system of claim 1, wherein: the grinding device (2) comprises an explosion-proof speed-reducing motor (21), a mortar (22), a scraping plate (23) and a grinding pestle (24), an output shaft of the explosion-proof speed-reducing motor (21) is fixedly connected with the center of the bottom of the mortar (22), the scraping plate (23) and the grinding pestle (24) are both arranged on the protective device (5), when the grinding pestle lifting device (3) descends, the scraping plate (23) is in contact with the side wall of the mortar, and the grinding pestle (24) and the center part of the mortar (22) jointly grind the energy-containing sample in the mortar (22); the grinding pestle (24) comprises a grinding pestle head (241) at the lower part and a grinding pestle rod (242) at the upper part.
5. The automated energy-containing sample milling system of claim 1, wherein: the grinding pestle lifting device (3) comprises a first lifting driving cylinder (31) and a second lifting driving cylinder (32), the first lifting driving cylinder and the second lifting driving cylinder are respectively arranged on the upper parts of the plate walls on the two sides of the vertical upright part (12) of the frame, and a first driving rod (311) and a second driving rod (321) of the first lifting driving cylinder and the second lifting driving cylinder are respectively connected with the left side and the right side of the upper part of an upper protective cover (51) of the protective device (5).
6. The automated energy-containing sample milling system of claim 5, wherein: the first lifting driving cylinder (31) and the second lifting driving cylinder (32) are pneumatic cylinders and/or hydraulic cylinders.
7. The automated energy-containing sample milling system of claim 1, wherein: the grinding pressure adjusting device (4) comprises a mounting seat (41), a thrust bearing (42), a pressure sensor (43), a first fixing seat (44), a spring (45), a second fixing seat (46), a pestle adjusting shaft (47) and a pressure adjusting motor (48), wherein the thrust bearing (42), the pressure sensor (43), the first fixing seat (44), the spring (45), the second fixing seat (46) and the pestle adjusting shaft (47) in interference fit with a grinding pestle rod (242) of the grinding device (2) are sequentially mounted inside the mounting seat (41) from top to bottom, the pressure adjusting motor (48) is arranged outside the top end of the mounting seat (41), a screw thread is arranged in the front of a motor shaft of the pressure adjusting motor (48), and the motor shaft penetrates through the thrust bearing (42), the pressure sensor (43), the first fixing seat (44) and the spring (45), is connected with a screw hole at the center of the second fixed seat (46) through the screw thread.
8. The automated energy-containing sample milling system of claim 1, wherein: the protection device (5) further comprises an explosion venting sheet (53), and the explosion venting sheet (53) is arranged on the side wall of the upper protection cover (51).
9. The automated energy-containing sample milling system of any one of claims 1 to 8, wherein: the cooling device (6) comprises a supporting plate (61), a hose (62) and a circulating pump (63), wherein a circulating liquid path (611) is arranged on the supporting plate (61), a liquid inlet (612) and a liquid outlet (613) of the circulating liquid path (611) are respectively connected with the circulating pump (63) through the hose (62), and the circulating pump (63) is used for being connected with a cooling liquid tank arranged outside the rack (1).
10. The automated energy-containing sample milling system of claim 9, wherein: the cooling device (6) further comprises a temperature sensor (64), and the temperature sensor (64) is arranged in a gap between the scraper plate (23) of the grinding device (2) and the grinding pestle head (241).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210797127.5A CN114849870B (en) | 2022-07-08 | 2022-07-08 | Automatic grinding system for energetic samples |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210797127.5A CN114849870B (en) | 2022-07-08 | 2022-07-08 | Automatic grinding system for energetic samples |
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| CN114849870B CN114849870B (en) | 2022-09-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116351512A (en) * | 2023-04-18 | 2023-06-30 | 义乌市森山健康科技产业有限公司 | Dendrobium officinale processing device and processing technology thereof |
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| CN212414589U (en) * | 2020-07-08 | 2021-01-29 | 福建省将乐頨柠生物科技有限公司 | Feed mechanism is used in production of beating tea |
| CN212524274U (en) * | 2020-04-28 | 2021-02-12 | 将乐茜菠蕾生物科技有限公司 | Grinder is used in spices processing |
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| JP2018086613A (en) * | 2016-11-28 | 2018-06-07 | 日陶科学株式会社 | Pestle and crushing device |
| CN211026633U (en) * | 2018-09-05 | 2020-07-17 | 贺州学院 | A grind machine for food nutrition draws |
| CN211329714U (en) * | 2019-09-03 | 2020-08-25 | 长沙华润涂料有限公司 | Water based paint production grinds screening installation with raw materials convenient to wash |
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| CN116351512A (en) * | 2023-04-18 | 2023-06-30 | 义乌市森山健康科技产业有限公司 | Dendrobium officinale processing device and processing technology thereof |
| CN116351512B (en) * | 2023-04-18 | 2024-03-26 | 浙江森宇有限公司 | Dendrobium officinale processing device and processing technology thereof |
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| CN114849870B (en) | 2022-09-20 |
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