CN109318080B - Automatic preparation method of cutting metallographic specimen - Google Patents
Automatic preparation method of cutting metallographic specimen Download PDFInfo
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- CN109318080B CN109318080B CN201811128185.9A CN201811128185A CN109318080B CN 109318080 B CN109318080 B CN 109318080B CN 201811128185 A CN201811128185 A CN 201811128185A CN 109318080 B CN109318080 B CN 109318080B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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Abstract
The invention provides an automatic preparation method of a cutting metallographic specimen, which relates to an automatic preparation device of a cutting metallographic specimen, and comprises a base, a machine body, a workbench, a raw material pool, a stirring mechanism, a manipulator actuating mechanism and a cross sliding table; the method comprises the following steps: firstly, filling a curing agent, clear water and acrylic powder into a raw material pool, flowing into a stirring mechanism in proportion, uniformly stirring, and then flowing a solution into a cylindrical mold of a workbench; and then, inserting the cutting scraps into the cylindrical die by the first mechanical finger, after cooling and forming, pushing by the electric push rod to support out the metallographic specimen, grabbing the metallographic specimen by the second mechanical finger, and respectively polishing, etching and cleaning the metallographic specimen in a polishing area, an etching area and a cleaning area, and placing the prepared metallographic specimen in a specimen storage area. The invention can ensure the efficiency and the quality of the finished piece, reduce the interference of external factors on the production process, improve the economic benefit and reduce the labor intensity of workers.
Description
Technical Field
The invention relates to the technical field of preparation of a cutting metallographic specimen, in particular to an automatic preparation method of a cutting metallographic specimen.
Background
Metallographic examination is an important test method in modern material technology and science, and is widely applied to various industrial outputs and scientific research works. The quality of the raw material structure and the product in the production process is inspected at the present stage, and the failure analysis of the workpiece, the quality inspection of the product and the like mainly depend on the observation of a metallographic structure. Therefore, the metallographic preparation process is particularly important for detecting raw materials. Generally, the following processes are indispensable links for metallographic specimen preparation: sampling, mounting, lapping (rough and finish), polishing and etching. Since any misoperation may affect the subsequent process and in extreme cases may cause false organization and draw wrong conclusions, we are required to carefully perform each operation strictly according to the operation requirements. At present, almost all metallographic test pieces are prepared by manpower, so the preparation quality of metallographic test pieces is closely related to the sample preparation capacity of preparation workers, and the production labor intensity is high, the production efficiency is low, and the inevitable danger exists, so the development trend of production automation cannot be met.
Disclosure of Invention
The invention provides an automatic preparation method of a chip metallographic specimen, which solves the problems of low production efficiency, high labor intensity, high cost, high quality of finished specimens interfered by external factors and the like in the preparation process of the traditional artificial metallographic specimen.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an automatic preparation method of a chip metallographic specimen is characterized by comprising the following steps: the method relates to an automatic preparation device for a chip metallographic specimen, which comprises a machine base, a machine body, a workbench, a raw material pool, a stirring mechanism, a manipulator actuating mechanism and a cross sliding table, wherein the machine body and the workbench are fixedly connected above the machine base; the raw material pool is divided into three rectangular grooves; the stirring mechanism comprises a stirring tank, a guide pipe controlled by a hydraulic electromagnetic valve, a stirring blade and a fifth motor; the working table comprises an embedding area, a cutting chip storage area, a test piece storage area, a polishing area, an etching area and a cleaning area, wherein the embedding area is provided with a circular mold hole turntable structure, the circular mold hole turntable structure is provided with a circular turntable and an electric push rod, a circular slice is arranged in a cylindrical mold, and the polishing area is used for fixing water sand paper with different models; the manipulator actuating mechanism comprises a first mechanical finger and a second mechanical finger; the cross sliding table comprises two assemblies which are crossed in a cross manner, namely a first assembly and a second assembly, wherein the first assembly and the second assembly respectively comprise a first motor and a second motor; the polishing area is provided with a rotatable circular polishing table and a fourth motor; the method specifically comprises the following steps:
when a metallographic test piece is prepared, firstly, respectively filling a curing agent, clear water and acrylic powder into three rectangular grooves of a raw material pool, controlling a hydraulic solenoid valve of a guide pipe, enabling the curing agent, the clear water and the acrylic powder to flow into a stirring tank according to corresponding proportions, driving a stirring blade to rotate by a fifth motor, uniformly stirring a solution in the stirring tank, and enabling the solution to flow into a cylindrical die of a workbench along with the guide pipe;
then, a first mechanical finger and a second mechanical finger start to work under the driving of a first motor and a second motor respectively, the first mechanical finger vertically inserts the chips in the chip storage area into a cylindrical mold filled with a solution, a circular turntable rotates after cooling forming, an electric push rod pushes a circular slice to support out a formed metallographic test piece, then the second mechanical finger grabs the metallographic test piece to be ground in a grinding area, the second mechanical finger rotates 90 degrees when each piece of waterproof abrasive paper with different precision is replaced, the metallographic test piece is ground uniformly, the second mechanical finger grabs the metallographic test piece to be stopped on the upper surface of the polishing area after grinding is finished, and the circular polishing table rotates along with a fourth motor to polish the metallographic test piece;
finally, a second mechanical finger grabs the test piece and respectively extends into the etching area and the cleaning area, and etching and cleaning treatment are carried out on the metallographic test piece; and after all the procedures are finished, placing the prepared metallographic test piece in a test piece storage area.
Preferably, the raw material pool is arranged on the side wall of the machine body, the stirring mechanism is positioned right below the raw material pool, the stirring mechanism is provided with an inlet and an outlet, the inlet is communicated with the raw material pool, and the outlet is communicated with the workbench; the cross sliding table is fixed at the top end of the machine body; the top of the manipulator actuating mechanism is connected with the cross sliding table and can move horizontally along with the movement of the cross sliding table.
Preferably, a first cantilever beam and a second cantilever beam are arranged on the side wall of the machine body, the first cantilever beam and the second cantilever beam are fixed on the side wall of the machine body through a tripod, and the raw material pool and the stirring mechanism are respectively fixed on the first cantilever beam and the second cantilever beam through bolt connection; the stirring mechanism further comprises a connecting shaft, a speed reducer and a flange plate; the stirring tank is fixed on the second cantilever beam, the solution in the raw material pool flows into an inlet of the stirring tank through a guide pipe, and an outlet of the stirring tank is connected with the guide pipe controlled by the hydraulic electromagnetic valve through a flange plate, so that the solution flows to the workbench; the speed reducer is fixed above the first cantilever beam, the fifth motor, the speed reducer and the connecting shaft are sequentially connected, the lowest end of the connecting shaft fixes the stirring blades through screws, and the stirring blades are located in the center of the stirring groove.
Preferably, a conduit controlled by a hydraulic solenoid valve is respectively arranged right below each rectangular groove for allowing the solution to flow out, and the proportion of each raw material component required by the solution preparation can be accurately controlled through the hydraulic solenoid valve.
Preferably, the embedding area is positioned at one end of the workbench, the etching area and the cleaning area are longitudinally arranged at the other end of the workbench in parallel, the polishing area and the polishing area are positioned in the middle of the workbench and are sequentially arranged from the embedding area at one end of the workbench to the other end of the workbench, the cutting scrap storage area and the test piece storage area are positioned between the embedding area and the polishing area, the cutting scrap storage area is used for storing cutting scraps, and the test piece storage area is used for storing a metallographic test piece; the embedding area is provided with a circular mould hole turntable structure, the circular mould hole turntable structure is provided with a circular turntable, a cylindrical mould capable of containing solution is annularly arranged in the circular turntable, a circular slice is arranged in the cylindrical mould, the diameter of the slice is equal to that of the cylindrical mould, the circular turntable is connected with a first central shaft through a key, the first central shaft is connected with a third motor fixed below the base, one side of the third motor is provided with an electric push rod fixed on the base, the electric push rod is positioned right below the cylindrical mould, the bottom of the cylindrical mould is provided with a hole, the aperture of the hole is slightly larger than the diameter of the electric push rod, and the electric push rod is used for jacking; the polishing area is provided with four rectangular grooves, and different types of waterproof abrasive paper are fixed on the grooves respectively; the polishing area is provided with a rotatable circular polishing table embedded in the workbench, the circular polishing table is connected with a second central shaft through a key, and the second central shaft is connected with a fourth motor fixed below the machine base; the etching area and the cleaning area are respectively used for etching and cleaning the metallographic test piece; the etching area and the cleaning area are both grooves.
Preferably, the first assembly includes a first coupling, a first lead screw, a first sliding table and a first frame in addition to the first motor, and the second assembly includes a second coupling, a second lead screw, a second sliding table and a second frame in addition to the second motor; the first motor is connected with the first coupler and fixed at one end of the first rack, the first lead screw penetrates through the first sliding table to be installed in the first rack, and meanwhile one end of the first lead screw is connected with the first coupler; the second motor is connected with the second coupler and fixed at one end of the second rack, the second lead screw penetrates through the second sliding table to be installed in the second rack, and meanwhile one end of the second lead screw is connected with the second coupler; the first sliding table and the second rack are fixed through bolts to form a cross sliding table, and the cross sliding table is fixed to the top end of the machine body through the first rack.
Preferably, the top of the manipulator actuating mechanism is connected with the cross sliding table through a triangular iron frame, and the manipulator actuating mechanism comprises a junction box, a large arm, a rotary hydraulic cylinder, a finger rotating disc and two hydraulic cylinders besides a first mechanical finger and a second mechanical finger; a junction box for placing a power supply line is fixedly connected to the cross sliding table through a triangular iron frame, a large arm is fixed below the junction box, an oil through hole, a large arm piston and a spring are formed in the large arm, and the large arm piston can be pushed to compress the spring to move downwards when oil is communicated, so that a manipulator actuating mechanism is driven to move up and down; the bottom of the large-arm piston is a square body and is fixedly connected with the top of a rotary hydraulic cylinder through a bolt, an oil inlet, an oil outlet, a rotary blade and a rotary shaft are arranged in the rotary hydraulic cylinder, the rotary blade is fixedly connected with the rotary shaft, and the rotary blade drives the rotary shaft to rotate together during working; the finger rotary disk is fixed at the bottom of a rotary shaft in the rotary hydraulic cylinder and rotates along with the rotary shaft, the two hydraulic cylinders are uniformly distributed below the finger rotary disk at 180 degrees and are fixed with the finger rotary disk through screws, the first mechanical finger and the second mechanical finger are respectively connected with the two hydraulic cylinders through slidable pins, the hydraulic cylinders control the opening and closing of the first mechanical finger and the second mechanical finger through the sliding of the pushing pins during working, the first mechanical finger is used for grabbing cuttings, and the second mechanical finger is used for grabbing metallographic test pieces.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the traditional process of manually preparing the metallographic specimen by cutting, the method for automatically preparing the metallographic specimen by cutting adopts the cross sliding table to drive the mechanical arm to move, the mechanical arm and the workbench are matched with each other to complete the whole preparation process, and the stable and efficient movement of the mechanical arm can ensure the efficiency and quality of a finished piece.
2. According to the automatic preparation method of the chip metallographic specimen, provided by the invention, the traditional manual preparation process is influenced by energy, physical strength and environment, and the interference of external factors on the production process can be greatly reduced by adopting an automatic device, so that the production period of parts is shortened.
3. The automatic preparation method of the cutting metallographic specimen provided by the invention can reduce the production area, reduce the rejection rate, reduce the number of direct production workers, improve the labor productivity and further improve the economic benefit. Meanwhile, the labor intensity of workers is reduced to a great extent, and finally, the automation and the unmanned production of the metallographic test piece are realized.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front cross-sectional view of an automatic preparation device for a cutting metallographic specimen, which is related by the invention;
FIG. 2 is a top view of the table of the present invention;
FIG. 3 is a front cross-sectional view of the large arm of the present invention;
FIG. 4 is a front cross-sectional view of the rotary fluid cylinder of the present invention;
FIG. 5 is a bottom view of the cross slide of the present invention;
FIG. 6 is a top view of the feed tank of the present invention;
FIG. 7 is a partial cross-sectional view of a first robot finger of the present invention;
FIG. 8 is a partial cross-sectional view of a second robot finger of the present invention;
fig. 9 is a partial cross-sectional view of a circular mold bore turntable of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
With reference to fig. 1-9, the method for automatically preparing a cutting metallographic specimen provided by this embodiment relates to an automatic preparation apparatus for a cutting metallographic specimen, which includes a machine base 1, a machine body 2, a workbench, a raw material pool 13, a stirring mechanism, a manipulator actuator, and a cross sliding table; the machine base 1 is connected with the machine body 2 through bolts, and the machine body 2 is positioned above the machine base 1; the workbench is fixed on the machine base 1; a first cantilever beam 9 and a second cantilever beam 5 are arranged on the side wall of the machine body 2, the first cantilever beam 9 is fixed on the side wall of the machine body 2 through a tripod 10, and a raw material pool 13 is fixed above the first cantilever beam 9 through bolts; rabbling mechanism passes through second cantilever beam 5 to be fixed under raw materials pond 13, and rabbling mechanism's entry and raw materials pond 13 intercommunication, the workstation is access to in rabbling mechanism's the export, specifically is: the raw material pool 13 is connected with the stirring tank 4 arranged in the stirring mechanism through a conduit 8, and the solution in the raw material pool 13 flows into the stirring tank 4 of the stirring mechanism through the conduit 8; the stirring tank 4 is fixed on the second cantilever beam 5, and the outlet of the stirring tank 4 is connected with the conduit 3 controlled by the hydraulic solenoid valve through a flange plate 44.
The cross sliding table is fixed at the top end of the machine body 2; the top of the manipulator actuating mechanism is connected with the cross sliding table through a triangular iron frame 19 and can move horizontally along with the movement of the cross sliding table.
The workbench comprises an embedding area 41, a chip storage area 35, a test piece storage area 36, a polishing area 34, a polishing area 33, an etching area 28 and a cleaning area 29, five processes of embedding, polishing, etching and cleaning can be completed on the workbench, the chip storage area 35 is used for storing chips, and the test piece storage area 36 is used for storing a metallographic test piece; the mosaic area 41 is positioned at one end of the workbench, the etching area 28 and the cleaning area 29 are longitudinally and parallelly positioned at the other end of the workbench, the polishing area 34 and the polishing area 33 are positioned in the middle of the workbench and are sequentially arranged from the mosaic area 41 at one end of the workbench to the other end of the workbench, and the chip storage area 35 and the test piece storage area 36 are positioned between the mosaic area 41 and the polishing area 34; the embedding area 41 is provided with a circular mould hole turntable structure, the circular mould hole turntable structure is provided with a circular turntable 41, a circle of cylindrical moulds 43 capable of containing solution is arranged in the circular turntable 41, each cylindrical mould 43 has a drawing angle of 1 degree for conveniently taking out a test piece, a circular slice 42 is arranged in each cylindrical mould 43, the diameter of the slice 42 is equal to that of the cylindrical mould 43, liquid is prevented from flowing out of a hole below the cylindrical mould 43, the circular turntable 41 is connected with a first central shaft 40 through a key, the first central shaft 40 is connected with a third motor 39 fixed below the machine base 1, one side of the third motor 39 is provided with an electric push rod 37 fixed on the machine base 1, the electric push rod 37 is positioned right below the cylindrical mould 43, the electric push rod 37 is used for jacking the slice 42, the bottom of the cylindrical mould 43 is provided with a hole, and the diameter of the electric push rod, so that the electric push rod 37 can eject the solidified test piece together with the sheet 42; the polishing area 34 is provided with four rectangular grooves for fixing different types of waterproof abrasive paper respectively; the polishing area 33 is provided with a rotatable circular polishing table embedded in the workbench, the circular polishing table is connected with a second central shaft 32 through a key, and the second central shaft 32 is connected with a fourth motor 31 fixed below the machine base 1; the etching area 28 and the cleaning area 29 are both circular grooves and are respectively used for etching and cleaning the metallographic test piece.
The raw material pool 13 is divided into three rectangular grooves, a guide pipe 8 controlled by a hydraulic electromagnetic valve is respectively arranged under each rectangular groove for solution to flow out, and the proportion of each raw material component required by the prepared solution can be accurately controlled through the hydraulic electromagnetic valve.
The stirring mechanism comprises a stirring tank 4, a conduit 3 controlled by a hydraulic electromagnetic valve, a stirring blade 6, a fifth motor 12, a connecting shaft 7, a speed reducer 11 and a flange plate 44; the stirring tank 4 is fixed on the second cantilever beam 5, the solution in the raw material pool 13 flows into the inlet of the stirring tank 4 through the conduit 3, the outlet of the stirring tank 4 is connected with the conduit 3 controlled by the hydraulic electromagnetic valve through a flange plate, and the solution flows to the workbench; the speed reducer 11 is fixed above the first cantilever beam 9, the fifth motor 12, the speed reducer 11 and the connecting shaft 7 are sequentially connected, the lowest end of the connecting shaft 7 fixes the stirring blade 6 through a screw, and the stirring blade 6 is located in the center of the stirring groove 4.
The crossed sliding table comprises two crossed assemblies, namely a first assembly and a second assembly, wherein the first assembly comprises a first motor 14, a first coupler 15, a first lead screw 16, a first sliding table 17 and a first rack 18, and the second assembly comprises a second motor 45, a second coupler 46, a second lead screw 48, a second sliding table 49 and a second rack 47; the first motor 14 is connected with the first coupler 15 and fixed at one end of the first frame 18, the first lead screw 16 passes through the first sliding table 17 and is installed in the first frame 18, and meanwhile, one end of the first lead screw 16 is connected with the first coupler 15; the second motor 45 is connected with the second coupling 46 and fixed at one end of the second frame 47, a second lead screw 48 passes through a second sliding table 49 and is installed in the second frame 47, and one end of the second lead screw 48 is connected with the second coupling 46; the first sliding table 17 and the second frame 47 are fixed by bolts to form a cross sliding table, and the cross sliding table is fixed at the top end of the machine body 2 by the first frame 18.
The manipulator actuating mechanism comprises a junction box 20, a large arm 21, a rotary hydraulic cylinder 22, a finger rotating disc 23, two hydraulic cylinders 24, a first mechanical finger 26 and a second mechanical finger 27;
a junction box 20 for placing a power supply line is fixedly connected to the cross sliding table through a triangular iron frame 19, a large arm 21 is fixed below the junction box 20, an oil through hole 50, a large arm piston 51 and a spring 52 are arranged in the large arm 21, and the large arm piston 51 can be pushed to compress the spring 52 to move downwards when oil is communicated, so that a manipulator is driven to move up and down; the bottom of the large-arm piston 51 is square and is fixedly connected with the top of the rotary hydraulic cylinder 22 through a bolt, an oil inlet 53, an oil outlet 54, a rotary blade 55 and a rotary shaft 56 are arranged in the rotary hydraulic cylinder 22, the rotary blade 55 is fixedly connected with the rotary shaft 56, and the rotary blade 55 drives the rotary shaft 56 to rotate together when the large-arm piston works; the finger rotating disc 23 is fixed at the bottom of a rotating shaft 56 in the rotating hydraulic cylinder 22 and rotates together with the rotating shaft 56, the two hydraulic cylinders 24 are uniformly distributed below the finger rotating disc 23 in an angle of 180 degrees and are fixed with the finger rotating disc 23 through screws, the first mechanical finger 26 and the second mechanical finger 27 are respectively connected with the two hydraulic cylinders 24 through a slidable pin 25, the hydraulic cylinders 24 control the opening and closing of the first mechanical finger 26 and the second mechanical finger 27 through the sliding of the pushing pin 25 during work, the first mechanical finger 26 is used for grabbing chips, and the second mechanical finger 27 is used for grabbing metallographic samples.
The method specifically comprises the following steps: when preparing a metallographic specimen, firstly respectively filling a curing agent, clear water and acrylic powder into three rectangular grooves of a raw material pool 13, controlling the curing agent, the clear water and the acrylic powder according to corresponding proportions by a hydraulic electromagnetic valve, enabling the curing agent, the clear water and the acrylic powder to flow into a stirring tank 4, enabling a fifth motor 12 to drive a stirring blade 6 to rotate at the moment, uniformly stirring a solution in the stirring tank 4, enabling the solution to flow into a cylindrical mold 43 of a workbench along with a conduit 3, enabling a first mechanical finger 26 and a second mechanical finger 27 to start working under the driving of a first motor 14 and a second motor 45 respectively, enabling the first mechanical finger 26 to vertically insert cuttings in a cuttings storage area 35 into the cylindrical mold 43 filled with the solution, enabling a circular turntable 41 to rotate after cooling and forming, enabling an electric push rod 37 to push a circular thin sheet 42 to lift out the formed metallographic specimen, and enabling the second mechanical finger 27 to grab the metallographic specimen in a polishing area 34, and every trade the water sand paper second mechanical finger 27 of different precision and all will rotate 90, make the metallographic specimen polish evenly, after polishing, mechanical finger 27 snatchs the upper surface that the metallographic specimen stagnated in polishing district 33, and circular polishing platform is rotatory along with fourth motor 31 this moment, carries out polishing treatment to the metallographic specimen, and finally, second mechanical finger 27 snatchs the metallographic specimen and stretches into respectively and place in the beaker in erosion district 28 and cleaning zone 29, carries out erosion and cleaning treatment to the metallographic specimen respectively. And after all the procedures are finished, placing the prepared metallographic specimen in the specimen storage area 36.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the traditional process of manually preparing the metallographic specimen by cutting, the method for automatically preparing the metallographic specimen by cutting adopts the cross sliding table to drive the mechanical arm to move, the mechanical arm and the workbench are matched with each other to complete the whole preparation process, and the stable and efficient movement of the mechanical arm can ensure the efficiency and quality of a finished piece.
2. According to the automatic preparation method of the chip metallographic specimen, provided by the invention, the traditional manual preparation process is influenced by energy, physical strength and environment, and the interference of external factors on the production process can be greatly reduced by adopting an automatic device, so that the production period of parts is shortened.
3. The automatic preparation method of the cutting metallographic specimen provided by the invention can reduce the production area, reduce the rejection rate, reduce the number of direct production workers, improve the labor productivity and further improve the economic benefit. Meanwhile, the labor intensity of workers is reduced to a great extent, and finally, the automation and the unmanned production of the metallographic test piece are realized.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (7)
1. An automatic preparation method of a chip metallographic specimen is characterized by comprising the following steps: the method relates to an automatic preparation device for a chip metallographic specimen, which comprises a machine base, a machine body, a workbench, a raw material pool, a stirring mechanism, a manipulator actuating mechanism and a cross sliding table, wherein the machine body and the workbench are fixedly connected above the machine base; the raw material pool is divided into three rectangular grooves; the stirring mechanism comprises a stirring tank, a guide pipe controlled by a hydraulic electromagnetic valve, a stirring blade and a fifth motor; the working table comprises an embedding area, a cutting chip storage area, a test piece storage area, a polishing area, an etching area and a cleaning area, wherein the embedding area is provided with a circular mold hole turntable structure, the circular mold hole turntable structure is provided with a circular turntable and an electric push rod, a circular slice is arranged in a cylindrical mold, and the polishing area is used for fixing water sand paper with different models; the manipulator actuating mechanism comprises a first mechanical finger and a second mechanical finger; the cross sliding table comprises two assemblies which are crossed in a cross manner, namely a first assembly and a second assembly, wherein the first assembly and the second assembly respectively comprise a first motor and a second motor; the polishing area is provided with a rotatable circular polishing table and a fourth motor; the method specifically comprises the following steps:
when a metallographic test piece is prepared, firstly, respectively filling a curing agent, clear water and acrylic powder into three rectangular grooves of a raw material pool, controlling a hydraulic solenoid valve of a guide pipe, enabling the curing agent, the clear water and the acrylic powder to flow into a stirring tank according to corresponding proportions, driving a stirring blade to rotate by a fifth motor, uniformly stirring a solution in the stirring tank, and enabling the solution to flow into a cylindrical die of a workbench along with the guide pipe;
then, a first mechanical finger and a second mechanical finger start to work under the driving of a first motor and a second motor respectively, the first mechanical finger vertically inserts the chips in the chip storage area into a cylindrical mold filled with a solution, a circular turntable rotates after cooling forming, an electric push rod pushes a circular slice to support out a formed metallographic test piece, then the second mechanical finger grabs the metallographic test piece to be ground in a grinding area, the second mechanical finger rotates 90 degrees when each piece of waterproof abrasive paper with different precision is replaced, the metallographic test piece is ground uniformly, the second mechanical finger grabs the metallographic test piece to be stopped on the upper surface of the polishing area after grinding is finished, and the circular polishing table rotates along with a fourth motor to polish the metallographic test piece;
finally, a second mechanical finger grabs the test piece and respectively extends into the etching area and the cleaning area, and etching and cleaning treatment are carried out on the metallographic test piece; and after all the procedures are finished, placing the prepared metallographic test piece in a test piece storage area.
2. The automatic preparation method of the chip metallographic specimen according to claim 1, characterized by comprising the following steps: the raw material pool is arranged on the side wall of the machine body, the stirring mechanism is positioned right below the raw material pool, the stirring mechanism is provided with an inlet and an outlet, the inlet is communicated with the raw material pool, and the outlet is communicated with the workbench; the cross sliding table is fixed at the top end of the machine body; the top of the manipulator actuating mechanism is connected with the cross sliding table and can move horizontally along with the movement of the cross sliding table.
3. The automatic preparation method of the chip metallographic specimen according to claim 1, characterized by comprising the following steps: the side wall of the machine body is provided with a first cantilever beam and a second cantilever beam, the first cantilever beam and the second cantilever beam are fixed on the side wall of the machine body through a tripod, and the raw material pool and the stirring mechanism are respectively fixed on the first cantilever beam and the second cantilever beam through bolt connection; the stirring mechanism further comprises a connecting shaft, a speed reducer and a flange plate; the stirring tank is fixed on the second cantilever beam, the solution in the raw material pool flows into an inlet of the stirring tank through a guide pipe, and an outlet of the stirring tank is connected with the guide pipe controlled by the hydraulic electromagnetic valve through a flange plate, so that the solution flows to the workbench; the speed reducer is fixed above the first cantilever beam, the fifth motor, the speed reducer and the connecting shaft are sequentially connected, the lowest end of the connecting shaft fixes the stirring blades through screws, and the stirring blades are located in the center of the stirring groove.
4. The automatic preparation method of the chip metallographic specimen according to claim 1, characterized by comprising the following steps: and guide pipes controlled by hydraulic electromagnetic valves are respectively arranged under each rectangular groove for allowing the solution to flow out, and the proportion of each raw material component required by the prepared solution can be accurately controlled through the hydraulic electromagnetic valves.
5. The automatic preparation method of the chip metallographic specimen according to claim 1, characterized by comprising the following steps: the embedded area is positioned at one end of the workbench, the etching area and the cleaning area are longitudinally arranged at the other end of the workbench in parallel, the polishing area and the polishing area are positioned in the middle of the workbench and are sequentially arranged from the embedded area at one end of the workbench to the other end of the workbench, the cutting scrap storage area and the test piece storage area are positioned between the embedded area and the polishing area, the cutting scrap storage area is used for storing cutting scraps, and the test piece storage area is used for storing a metallographic test piece; the embedding area is provided with a circular mould hole turntable structure, the circular mould hole turntable structure is provided with a circular turntable, a cylindrical mould capable of containing solution is annularly arranged in the circular turntable, a circular slice is arranged in the cylindrical mould, the diameter of the slice is equal to that of the cylindrical mould, the circular turntable is connected with a first central shaft through a key, the first central shaft is connected with a third motor fixed below the base, one side of the third motor is provided with an electric push rod fixed on the base, the electric push rod is positioned right below the cylindrical mould, the bottom of the cylindrical mould is provided with a hole, the aperture of the hole is slightly larger than the diameter of the electric push rod, and the electric push rod is used for jacking; the polishing area is provided with four rectangular grooves, and different types of waterproof abrasive paper are fixed on the grooves respectively; the polishing area is provided with a rotatable circular polishing table embedded in the workbench, the circular polishing table is connected with a second central shaft through a key, and the second central shaft is connected with a fourth motor fixed below the machine base; the etching area and the cleaning area are respectively used for etching and cleaning the metallographic test piece; the etching area and the cleaning area are both grooves.
6. The automatic preparation method of the chip metallographic specimen according to claim 1, characterized by comprising the following steps: the first assembly comprises a first coupler, a first lead screw, a first sliding table and a first rack besides a first motor, and the second assembly comprises a second coupler, a second lead screw, a second sliding table and a second rack except a second motor; the first motor is connected with the first coupler and fixed at one end of the first rack, the first lead screw penetrates through the first sliding table to be installed in the first rack, and meanwhile one end of the first lead screw is connected with the first coupler; the second motor is connected with the second coupler and fixed at one end of the second rack, the second lead screw penetrates through the second sliding table to be installed in the second rack, and meanwhile one end of the second lead screw is connected with the second coupler; the first sliding table and the second rack are fixed through bolts to form a cross sliding table, and the cross sliding table is fixed to the top end of the machine body through the first rack.
7. The automatic preparation method of the chip metallographic specimen according to claim 1, characterized by comprising the following steps: the top of the manipulator actuating mechanism is connected with the cross sliding table through a triangular iron frame, and the manipulator actuating mechanism comprises a junction box, a large arm, a rotary hydraulic cylinder, a finger rotating disc and two hydraulic cylinders besides a first mechanical finger and a second mechanical finger; a junction box for placing a power supply line is fixedly connected to the cross sliding table through a triangular iron frame, a large arm is fixed below the junction box, an oil through hole, a large arm piston and a spring are formed in the large arm, and the large arm piston can be pushed to compress the spring to move downwards when oil is communicated, so that a manipulator actuating mechanism is driven to move up and down; the bottom of the large-arm piston is a square body and is fixedly connected with the top of a rotary hydraulic cylinder through a bolt, an oil inlet, an oil outlet, a rotary blade and a rotary shaft are arranged in the rotary hydraulic cylinder, the rotary blade is fixedly connected with the rotary shaft, and the rotary blade drives the rotary shaft to rotate together during working; the finger rotary disk is fixed at the bottom of a rotary shaft in the rotary hydraulic cylinder and rotates along with the rotary shaft, the two hydraulic cylinders are uniformly distributed below the finger rotary disk at 180 degrees and are fixed with the finger rotary disk through screws, the first mechanical finger and the second mechanical finger are respectively connected with the two hydraulic cylinders through slidable pins, the hydraulic cylinders control the opening and closing of the first mechanical finger and the second mechanical finger through the sliding of the pushing pins during working, the first mechanical finger is used for grabbing cuttings, and the second mechanical finger is used for grabbing metallographic test pieces.
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| CN114714198B (en) * | 2022-06-08 | 2022-08-12 | 常熟常春汽车零部件有限公司 | Polishing and cleaning equipment for burrs and impurities of automotive plastic interior trim parts |
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| CN101319974B (en) * | 2008-07-18 | 2010-08-25 | 昆明理工大学 | Method for preparing aluminum/lead system laminar composite material metallic phase example and display organization |
| CN102607916A (en) * | 2012-03-12 | 2012-07-25 | 苏州协鑫工业应用研究院有限公司 | Preparation method of silicon chip metallographic specimen |
| CN104330294B (en) * | 2014-10-28 | 2016-10-19 | 山东科技大学 | A kind of metallographic specimen preparing instrument |
| CN105547783B (en) * | 2015-12-30 | 2020-03-20 | 北京钢研高纳科技股份有限公司 | Sample inlaying method for metallographic sample |
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| CN106564150A (en) * | 2016-11-08 | 2017-04-19 | 惠州市锦恒工业模具设计合伙企业(普通合伙) | Production mould for plastic zippers |
| CN106872251A (en) * | 2016-12-24 | 2017-06-20 | 李月巧 | A kind of cold edge agent of metallographic specimen Fast Mosaic |
| CN107160418A (en) * | 2017-06-01 | 2017-09-15 | 江苏汉峰数控科技有限公司 | A kind of double pawl catching robot arms of dual rotary |
| CN207170927U (en) * | 2017-09-13 | 2018-04-03 | 江西万泰铝业有限公司 | A kind of aluminium ingot demoulding device |
| CN108020453B (en) * | 2017-12-31 | 2023-08-22 | 江苏科泰检测技术服务有限公司 | Metallographic detection automatic sample preparation device |
| CN108406817A (en) * | 2018-04-28 | 2018-08-17 | 上海发那科机器人有限公司 | A kind of knuckle grasp handling robot both hands jaw arrangement |
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