CN113211243B - Automatic sample grinding and polishing machine for metal samples in batches - Google Patents
Automatic sample grinding and polishing machine for metal samples in batches Download PDFInfo
- Publication number
- CN113211243B CN113211243B CN202110389714.6A CN202110389714A CN113211243B CN 113211243 B CN113211243 B CN 113211243B CN 202110389714 A CN202110389714 A CN 202110389714A CN 113211243 B CN113211243 B CN 113211243B
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- waste liquid
- grinding table
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- 238000000227 grinding Methods 0.000 title claims abstract description 112
- 239000002184 metal Substances 0.000 title claims abstract description 17
- 238000005498 polishing Methods 0.000 title claims description 35
- 239000007788 liquid Substances 0.000 claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000002699 waste material Substances 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 24
- 238000011010 flushing procedure Methods 0.000 claims abstract description 16
- 244000137852 Petrea volubilis Species 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000002351 wastewater Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/02—Bench grinders
-
- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- 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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- 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
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/007—Cleaning of grinding wheels
-
- 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
-
- 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
- G01N1/32—Polishing; Etching
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
An automatic batch grinding polisher for metal samples, comprising: the platform comprises a supporting platform, a device supporting frame and a sample grinding table, wherein the sample grinding table is sequentially and fixedly arranged on the supporting platform along an annular track, a sample grinding wheel disc is arranged on the surface of the sample grinding table, and sand paper is covered on the surface of the sample grinding wheel disc; the outer part of the sample grinding table is covered with a protective cover, and the inner wall of the protective cover is provided with a flushing component in a circumferential direction; the sample grabbing unit is arranged at the upper part of the device supporting frame and comprises a transverse moving device and a vertical grabbing device, wherein the transverse moving device comprises a stepping motor, a gear box, a turbine, a worm and a sliding block; the sample moving unit is arranged on the supporting platform, falls outside the annular track and comprises a material moving stepping motor, a rotating wheel, an annular belt and at least one material moving part; the liquid storage tank is arranged at the lower part of the supporting platform, a waste liquid chamber and a water purifying chamber are arranged in the liquid storage tank, and a waste liquid box is detachably arranged on the waste liquid chamber; and the control unit is arranged on the supporting platform and comprises a display screen and control keys. The invention has the beneficial effects that: a very large number of samples can be processed at a time.
Description
Technical Field
The invention belongs to the technical field of metallographic polishing equipment, and particularly relates to an automatic batch grinding and polishing machine for metal samples.
Background
In the process of researching the tissue performance of a material matrix and the surface integrity in the processing process, the material to be observed is required to be cut, an embedded sample for tissue observation is prepared on a metallographic sample embedding machine, then the embedded sample is ground and polished to prepare a metallographic observation sample, and finally performance test and observation are carried out. During this process, grinding and polishing of the metallographic specimen is the most important and difficult to control step, often requiring extensive grinding and repeated observation by experienced preparation personnel.
The existing manual sample grinding and polishing machine generally comprises a motor and a polishing disc, and the polishing disc is driven to rotate by the motor, so that the purpose of polishing is achieved. When the polishing machine is used, a polishing person needs to hold the metallographic specimen by hand, and meanwhile, the metallographic specimen needs to be polished by adding water, so that the polishing machine needs to be close to a water source and needs to be provided with a water adding device. Whereas grinding often requires an operator to manually grind on sandpaper of different grit sizes. As the metallographic sample is generally smaller, the flatness and polishing quality of the polished surface of the metallographic sample are difficult to control in the grinding and polishing processes, and random errors are obvious when a plurality of metallographic samples are manufactured, the consistency of the polished surface is difficult to ensure, and the manufacturing efficiency of the metallographic sample is low. Although an automatic sample grinding machine exists at present, the operation is complex, a person is required to replace different stations for sample pieces at one side, and time cannot be saved for experimental staff. In addition, at present, grinding and polishing are generally arranged on different machine positions, and manual shifting is required, so that the device is extremely inconvenient.
Disclosure of Invention
In order to solve the problems of low metallographic specimen preparation efficiency, manual operation and non-centralized stations in the prior art, the invention provides the automatic batch grinding polisher for the metal specimens, so that the difficult problem in the metallographic specimen preparation process is effectively solved, batch preparation is realized on the premise of ensuring the quality, and the experimental efficiency is improved.
The technical scheme adopted by the invention for achieving the purpose is as follows:
automatic grinding and polishing machine for metal samples in batches, which is characterized by comprising the following components:
The device comprises a platform, a device support frame and a sample grinding table, wherein the device support frame is arranged on the upper part of the support platform in a supporting way, and an annular track is arranged on the support platform and is a closed groove with straight line sections and circular arc sections which are sequentially connected; the sample grinding table is sequentially and fixedly arranged on the supporting platform along the annular track, a sample grinding wheel disc is arranged on the surface of the sample grinding table, and sand paper is covered on the surface of the sample grinding wheel disc; the sample grinding table is provided with a waste liquid outlet which can be communicated with a waste liquid inlet of the liquid storage unit; the outer part of the sample grinding table is covered with a protective cover, a plurality of sets of flushing components are circumferentially arranged on the inner wall of the protective cover, a liquid inlet of each flushing component is communicated with a liquid storage unit, and a liquid outlet of each flushing component is aligned with the sample grinding sand wheel disc;
The sample grabbing unit is arranged at the upper part of the device supporting frame and comprises a transverse moving device and a vertical grabbing device, the transverse moving device comprises a stepping motor, a gear box, a worm wheel, a worm and a sliding block, the stepping motor and the gear box are all arranged on the device supporting frame, the output part of the stepping motor is connected with the input part of the gear box, and the output end of the gear box is provided with the worm wheel; the worm is rotatably installed at the upper part of the device supporting frame and spans the sample grinding table and the sample moving unit, and is meshed with the worm wheel; a sliding block is sleeved outside the worm, and the sliding block is meshed with the worm; the vertical grabbing device comprises a vertical telescopic part and a plurality of sets of grabbing mechanical arms, and the vertical telescopic part is suspended below the sliding block; the grabbing mechanical arm is arranged at the bottom of the vertical telescopic part and used for grabbing a sample;
The sample moving unit is arranged on the supporting platform, falls outside the annular track and comprises a material moving stepping motor, a rotating wheel, an annular belt and at least one material moving part, wherein the material moving stepping motor is arranged in the liquid storage tank; the rotating wheels are rotatably arranged at two ends of the annular track; the rotating wheel is connected with an output shaft of the material moving stepping motor; the annular belt is sleeved between the rotating wheels and used for driving the material moving part to move; the bottom of the material moving part is clamped outside the annular track and is in rolling fit with the groove wall of the annular track; the side wall of the material moving part is contacted with the outer rolling surface of the annular belt;
The liquid storage tank is arranged at the lower part of the supporting platform, a waste liquid chamber and a water purifying chamber are arranged in the liquid storage tank, a waste liquid box is detachably arranged on the waste liquid chamber, the waste liquid box is positioned below the sample grinding table and keeps the top opening of the waste liquid box communicated with the waste liquid outlet of the sample grinding table through a waste water return pipe, the bottom of the waste liquid box is communicated with the water purifying chamber, and a filter screen is arranged at the communicating part; the water purifying chamber is communicated with the liquid inlet of the flushing assembly; the water purifying chamber is communicated with an external water pipe through a pipeline;
The control unit is arranged on the supporting platform and comprises a display screen and control keys, the display screen and the control keys are arranged on the surface of the supporting platform, a controller is arranged in the display screen, a signal input end of the controller is electrically connected with a signal output end of the display screen, and a signal output end of the controller is electrically connected with control ends of the sample grinding table, the sample grabbing unit and the sample moving unit; the power supply end of the controller is electrically connected with an external power supply through a power line; the control key is electrically connected with the control end of the controller.
Further, the equipment support frame is arranged on the support platform along the straight line section of the annular track and comprises a gear box support frame and a motor support frame, wherein the gear support frame is arranged in the middle of the support platform and is positioned in an area surrounded by the annular track, and a gear box is arranged at the top of the gear support frame; the motor support frame is arranged on a support platform outside the annular track, and a stepping motor is arranged in the motor support frame; and a sand paper replacing notch is reserved on one side of the motor support frame, which faces the annular rail.
Further, the flushing assembly comprises a water suction pump, a water inlet pipe and a nozzle, wherein the water suction pump is arranged in the liquid storage tank, and a liquid inlet of the water suction pump is communicated with the water purification chamber; the nozzle ring is arranged on the inner wall of the protective cover, and the liquid inlet of the nozzle ring is communicated with the liquid outlet of the water pump through the water inlet pipe.
Further, the telescopic part comprises a primary hydraulic cylinder, a secondary hydraulic cylinder and a movable plate, wherein the primary hydraulic cylinder is vertically arranged at the bottom of the fixed plate, the telescopic end of the primary hydraulic cylinder is connected with the secondary hydraulic cylinder, and the telescopic end of the secondary hydraulic cylinder is connected with the movable plate.
Further, the grabbing manipulator comprises a vertical telescopic assembly and a grabbing assembly, wherein the vertical telescopic assembly comprises a fixed plate, a three-stage hydraulic cylinder, a supporting rod and a four-stage hydraulic cylinder, the grabbing assembly comprises a rotating frame, a connecting rod, a pull rod, a five-stage hydraulic cylinder, a push plate, a six-stage hydraulic cylinder, clamping and a pressing table, and the fixed plate is connected with the movable plate; the fixed plate is connected with the rotating frame through a supporting rod; the three-stage hydraulic cylinder is vertically arranged below the movable plate, and the four-stage hydraulic cylinder is arranged at the telescopic end of the three-stage hydraulic cylinder; the telescopic end of the four-stage hydraulic cylinder penetrates out of the center of the rotating frame and then is connected with the five-stage hydraulic cylinder; the telescopic end of the five-stage hydraulic cylinder is connected with a push plate; two sides of the rotating frame are respectively hinged with a pair of connecting rods, and the middle part of one connecting rod is hinged with the push plate through a pull rod; the six-stage hydraulic cylinder is vertically arranged in the center of the push plate, and a pressing table is arranged at the telescopic end of the six-stage hydraulic cylinder and used for downwards pressing the sample; the clamping is hinged to the bottom of the connecting rod, so that the clamping is opposite to a jaw for clamping the sample.
Further, the material moving part comprises a moving table, a moving wheel and a sample table, wherein one side of the moving table facing the annular belt is tightly attached to the annular belt, so that the circulating rotation of the material moving part is realized; the bottom of the mobile station is provided with two rows of clamping grooves, the mobile wheels are paired in pairs, the mobile wheels are movably arranged in the clamping grooves at the bottom of the mobile station through springs, a gap for being clamped on the outer wall of the annular track is reserved between the two pairs of mobile wheels, and the rolling surface of each mobile wheel is in contact with the inner wall and the outer wall of the annular track; the sample platform is arranged at the top of the movable platform, and a plurality of sample grooves for inserting samples are formed in the surface of the test platform.
Further, the sample grinding table is divided into a coarse grinding table, a fine grinding table and a polishing table, and the coarse grinding table, the fine grinding table and the polishing table are sequentially arranged along the annular guide rail.
Further, the waste liquid box is a hollow box body with a flat top cone bottom, the top end of the waste liquid box is open, and the cone bottom is clamped into the waste water chamber.
Further, the control key comprises a speed regulating button, a switch and a scram knob.
The invention has the beneficial effects that:
The invention provides a metal sample batch automatic grinding polisher, which can process a great number of samples at one time, and can ensure the same technical quality of the same batch because the samples are operated on the same machine, and meanwhile, the invention combines grinding and polishing, and combines the samples on the same machine, thereby reducing the defect of back and forth switching.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of a sample moving unit according to the present invention;
FIG. 3a is a schematic view of a vertical gripping device of the present invention;
FIG. 3b is a front view of the vertical gripping device of the present invention;
FIG. 4a is a schematic view of a material transfer section according to the present invention;
FIG. 4b is a front view of the transfer section of the present invention;
FIG. 4c is a bottom view of the transfer section of the present invention;
FIG. 4d is a schematic view of the vertical grabbing device according to the present invention and the position of the material moving part when grabbing the sample;
FIG. 5a is a schematic illustration of a gripper arm according to the present invention;
FIG. 5b is a schematic diagram of a second embodiment of a gripper according to the present invention;
FIG. 5c is a front view of the gripper arm of the present invention;
FIG. 5d is a side view of the grasping arm of the invention;
FIG. 5e is a bottom view of the gripper arm of the present invention;
FIG. 6a is a block diagram of a sample grinding table of the present invention;
FIG. 6b is a top view of the sample polishing station of the present invention;
FIG. 6c is a cross-sectional view A-A of FIG. 6 b;
fig. 7a is a schematic diagram showing the connection between the sample polishing table and the liquid storage tank.
FIG. 7b is a schematic view of the positions of the sample polishing table and the liquid storage tank according to the present invention;
FIG. 7c is a schematic view of the interior of the liquid storage tank of the present invention;
FIG. 7d is a top view of the waste cartridge of the present invention;
FIG. 7e is a front view of the waste cartridge of the present invention;
FIG. 7f is a side view of the waste cartridge of the present invention.
Detailed Description
The invention is further described below with reference to the drawings.
Referring to the drawings:
embodiment 1 the automatic batch grinding polisher for metal samples according to the invention comprises:
The device comprises a platform 1, a device support frame 12 and a sample grinding table 13, wherein the device support frame 12 is arranged on the upper part of the support platform 11 in a supporting way, an annular track 111 is arranged on the support platform 11, and the annular track 111 is a closed groove which comprises a straight line section and an arc section which are sequentially connected; the sample grinding table 13 is sequentially and fixedly arranged on the supporting platform 11 along the annular track, a sample grinding wheel disc 14 is arranged on the surface of the sample grinding table 13, and sand paper 15 is covered on the surface of the sample grinding wheel disc 14; the sample grinding table 13 is provided with a waste liquid outlet 141 which can be communicated with a waste liquid inlet of the liquid storage unit; the outer part of the sample grinding table 13 is covered with a protective cover 16, a plurality of sets of flushing components are circumferentially arranged on the inner wall of the protective cover 16, a liquid inlet of each flushing component is communicated with a liquid storage unit, and a liquid outlet of each flushing component is aligned with the sample grinding wheel disk 14;
The sample grabbing unit 2 is arranged at the upper part of the device supporting frame 12 and comprises a transverse moving device 21 and a vertical grabbing device 22, wherein the transverse moving device 21 comprises a stepping motor, a gear box 212, a worm gear, a worm 214 and a sliding block 215, the stepping motor and the gear box 212 are all arranged on the device supporting frame 12, an output part of the stepping motor 221 is connected with an input part of the gear box 212, and a worm gear is assembled at an output end of the gear box 212; the worm 214 is rotatably installed at the upper portion of the device supporting frame 12, and the worm 214 spans the sample grinding table 13 and the sample moving unit and is engaged with the worm wheel for controlling the linear movement of the vertical gripping device; a sliding block 215 is sleeved outside the worm 214, and the sliding block 215 is meshed with the worm 214; the vertical grabbing device 22 comprises a vertical telescopic part 221 and a plurality of sets of grabbing manipulators 222, and the vertical telescopic part 221 is suspended below the sliding block 215; the grabbing mechanical arm 222 is installed at the bottom of the vertical telescopic part 221, and is used for grabbing a sample;
The sample moving unit 3 is arranged on the supporting platform 11, falls outside the annular track 111, and comprises a material moving stepping motor, a rotating wheel 32, an annular belt 33 and at least one material moving part 34, wherein the material moving stepping motor is arranged in the liquid storage tank; the rotating wheels 32 are rotatably installed at both ends of the circular track 111; the rotating wheel 32 is connected with the output shaft of the material moving stepping motor; the annular belt 33 is sleeved between the rotating wheels 32 and used for driving the material moving part to move; the bottom of the material moving part 34 is clamped outside the annular track 111 and is in rolling fit with the groove wall of the annular track 111; the side wall of the material moving part 34 is contacted with the outer rolling surface of the annular belt 33;
The liquid storage tank 4 is arranged at the lower part of the supporting platform 11, a waste liquid chamber and a water purifying chamber are arranged in the liquid storage tank 4, a waste liquid box 41 is detachably arranged on the waste liquid chamber, the waste liquid box 41 is positioned below the sample grinding table 13, the top opening of the waste liquid box 41 is kept to be communicated with the waste liquid outlet of the sample grinding table 13 through a waste water return pipe 411, the bottom of the waste liquid box 41 is communicated with the water purifying chamber 42, and a filter screen 43 is arranged at the communicating position; the water purifying chamber 42 is communicated with the liquid inlet of the flushing assembly; the water purifying chamber 42 is communicated with the external water pipe 7 through a pipeline;
The control unit 5 is arranged on the supporting platform 11 and comprises a display screen 51 and control keys, the display screen 51 and the control keys are arranged on the surface of the supporting platform 11, a controller is arranged in the display screen 51, a signal input end of the controller is electrically connected with a signal output end of the display screen, and a signal output end of the controller is electrically connected with control ends of the sample grinding table, the sample grabbing unit and the sample moving unit; the power supply end of the controller is electrically connected with an external power supply through a power line; the control key is electrically connected with the control end of the controller.
The equipment support frame 12 is arranged and installed on the support platform along the straight line section of the annular track, and comprises a gear box support frame 121 and a motor support frame 122, wherein the gear box support frame 121 is arranged in the middle of the support platform 11 and is positioned in an area surrounded by the annular track 111, and a gear box 212 is installed at the top of the gear box support frame 121; the motor support frame 122 is arranged on the support platform 11 outside the annular track 111, and a stepping motor is arranged in the motor support frame; the motor support 122 leaves a sand paper replacing notch on one side facing the annular rail 111, so that sand paper with different specifications can be replaced conveniently.
The flushing assembly comprises a water suction pump 171, a water inlet pipe 172 and a nozzle 173, wherein the water suction pump 171 is arranged in the liquid storage tank 4, and a liquid inlet of the water suction pump 171 is communicated with the water purifying chamber 42; in the use process, in order to prevent abrasive paper from being worn out during dry grinding, a plurality of nozzles 173 are circumferentially arranged on the inner wall of the protective cover 16 beside the grinding table 13, the liquid inlets of the nozzles 173 are communicated with the liquid outlets of the water suction pump 171 through a water inlet pipe 172, and the water suction pump 171 pumps clean water to promote grinding; the bottom of the sample grinding sand table 14 is provided with a waste liquid outlet 141, and waste water enters the waste water box 41 through a waste water return pipe 411.
The vertical telescopic portion 221 includes a primary hydraulic cylinder 2211, a secondary hydraulic cylinder 2212 and a moving plate 2213, the primary hydraulic cylinder 2211 is vertically installed at the bottom of the slider 215, a telescopic end of the primary hydraulic cylinder 2211 is connected with the secondary hydraulic cylinder 2212, and a telescopic end of the secondary hydraulic cylinder 2213 is connected with the moving plate 2213.
The grabbing mechanical arm 222 includes a vertical telescopic assembly and a grabbing assembly, the vertical telescopic assembly includes a fixed plate 2221, a three-stage hydraulic cylinder 2222, a support bar 2223, and a four-stage hydraulic cylinder 2224, the grabbing assembly includes a rotating frame 2225, a connecting rod 2226, a pull rod 2227, a five-stage hydraulic cylinder 2228, a push plate 2229, a six-stage hydraulic cylinder 2230, a clamping 2232, and a pressing table 2231, and the fixed plate 2221 is connected with the moving plate 2213; the fixed plate 2221 is connected to the rotating frame 2225 through a support bar 2223; the three-stage hydraulic cylinder 2222 is vertically installed below the moving plate 2213, and the telescopic end of the three-stage hydraulic cylinder 2222 is installed with the four-stage hydraulic cylinder 2224; the telescopic end of the four-stage hydraulic cylinder 2224 penetrates out of the center of the rotating frame 2225 and then is connected with the five-stage hydraulic cylinder 2228; the telescopic end of the five-stage hydraulic cylinder 2228 is connected with a push plate 2229; a pair of connecting rods 2226 are hinged to both sides of the rotating frame 2225, and the middle part of the connecting rod 2226 is hinged to the push plate 2229 through a pull rod 2227; the six-stage hydraulic cylinder 2230 is vertically arranged in the center of the push plate 2229, and a compression table 2231 is arranged at the telescopic end of the six-stage hydraulic cylinder 2230 and is used for pressing down a sample; the clamp 2232 is hinged to the bottom of the link 2227 such that the clamp is directly opposite the jaws forming the clamp for gripping the sample.
The vertical telescopic part is provided with vertical moving power by a plurality of hydraulic cylinders, the grabbing manipulator is enabled to be close to the sample downwards, the grabbing manipulator moves downwards when the vertical telescopic part moves to the distance limit, the grabbing manipulator is just located at the proper grabbing position of the sample, the grabbing manipulator is also provided with power by the hydraulic cylinders, and the grabbing manipulator is connected with the hydraulic cylinders of the vertical telescopic part through the hydraulic pipeline. And the grabbing mechanical arm corresponds to each sample, when the samples reach the designated positions, the clamping of the grabbing mechanical arm clamps the samples, the pushing table downwards presses the samples tightly, and the descending distance of the pushing table is set according to system parameters so as to obtain the samples with corresponding roughness.
The material moving part 34 comprises a moving table 341, a moving wheel 342 and a sample table 343, wherein one side of the moving table 341 facing the annular belt 33 is tightly attached to the annular belt 33, so that the circulating rotation of the material moving part is realized; the bottom of the mobile platform 341 is provided with four clamping grooves 3411, the clamping grooves are symmetrically arranged in two rows, the mobile wheels 342 are paired in pairs, the mobile wheels 342 are movably arranged in the clamping grooves at the bottom of the mobile platform 341 through springs 344, a gap for being clamped on the outer wall of the annular track is reserved between the same pair of mobile wheels, and the rolling surface of the mobile wheels 341 is contacted with the inner wall and the outer wall of the annular track 111; the sample stage 343 is mounted on the top of the moving stage 342, the surface of the sample stage 343 is provided with a plurality of sample grooves for inserting samples, and samples 6 to be ground are placed in the sample grooves; in order to realize the annular movement of the rotating wheels, the connecting part of the rotating wheels and the moving table is also provided with springs, and when encountering the annular track, the four rotating wheels can automatically adjust the positions according to the shape of the annular track, so that the transition from the straight line to the circular ring or the transition from the circular ring to the straight line is realized.
The sample grinding table 13 is sequentially divided into a coarse grinding table, a fine grinding table and a polishing table, the coarse grinding table, the fine grinding table and the polishing table are sequentially arranged along the annular guide rail, and sand paper of the sample grinding table is provided with different specifications according to the processing sequence, so that coarse grinding, fine grinding and polishing of a sample are realized; specifically, the specifications of the abrasive paper of the rough grinding table are 80 meshes, 120 meshes, 180 meshes and 280 meshes in sequence; the fine grinding table consists of a plurality of different fine grinding tables; the specification of the sand paper of the fine grinding table is 320 meshes, 400 meshes, 600 meshes and 800 meshes in sequence; the fine grinding table consists of a plurality of different fine grinding tables; the specifications of the sand paper of the fine grinding table are 1000 meshes, 1200 meshes, 1500 meshes, 2000 meshes and 2500 meshes in sequence; the polishing table adopts diamond sand paper, and the polishing table is the last procedure of sample grinding and polishing, and mirror polishing is carried out on the sample from the fine sample grinding table.
The water stored in the water purifying chamber mainly prevents the water supply interruption problem caused by unstable external water pressure; the waste liquid box can carry out precipitation filtration to used waste water, because in the grinding process, the consumption to water is very big, consequently the setting of waste liquid box can the water economy resource, communicate with each other through the filter screen between waste liquid box and the clean water room, used waste water gets into the waste liquid box through the filter screen after precipitating purification in the waste liquid box, realizes the cyclic utilization of water resource, and the waste liquid box is the hollow box body at the end of a flat tip cone, and the top of waste liquid box is uncovered, and the card is gone into at the end of the cone in the waste water room, and the end of the cone is dust impurity deposition area, after using a period of time, unscrews the nut, takes out impurity deposition area, washs again, can realize the cleanness of waste water box.
The waste water box 41 is positioned slightly higher than the clean water chamber 42 to ensure that clean water does not flow back and only filtered water enters the clean water chamber; the bottom of the waste water box is an impurity precipitation zone 411 where impurities can be deposited, facilitating removal of impurities.
The sample grinding wheel disc 14 is provided with a sample grinding driving motor, the sample grinding driving motor is arranged in a motor cavity 142 in the water purifying chamber and isolated from the motor cavity, an output shaft of the sample grinding driving motor is connected with the sample grinding wheel disc, and the rotating speed of the sample grinding driving motor is controlled by adjusting a speed regulating knob.
The control keys include a governor button 52, a switch 53, and a scram knob 54.
A water source switch is arranged on a water pipe connected with the liquid storage tank and an external water source.
The clamping is an arc-shaped block.
Example 2 this example illustrates a metal sample batch automatic grinding polisher of the present invention with cylindrical inserts of dimensions Φ20mm x 15mm.
Referring to the drawings, the automatic batch grinding polisher for metal samples specifically adopts the following steps:
1) Checking the machine, setting parameters, setting the rotating speed of each motor, changing sand paper, and opening a water source switch;
2) The embedded sample is arranged in a sample groove of a material moving device, and the material moving device conveys the sample to a designated initial position;
3) The grabbing mechanical arm grabs the sample, moves to a designated sample grinding table to carry out first-step grinding, and moves to the next sample grinding table after finishing grinding;
4) Sequentially carrying out coarse grinding, fine grinding and fine grinding on the sample;
5) After finishing the polishing step, the polishing material is moved to a polishing table to perform mirror polishing
6) And finally returning to the initial position.
And a sample with corresponding surface roughness is obtained according to the experimental requirement, so that the subsequent experimental operation is facilitated.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, but also equivalent technical means that can be conceived by those skilled in the art according to the inventive concept.
Claims (7)
1. Automatic grinding and polishing machine for metal samples in batches, which is characterized by comprising the following components:
The device comprises a platform, a device support frame and a sample grinding table, wherein the device support frame is arranged on the upper part of the support platform in a supporting way, and an annular track is arranged on the support platform and is a closed groove with straight line sections and circular arc sections which are sequentially connected; the sample grinding table is sequentially and fixedly arranged on the supporting platform along the annular track, a sample grinding wheel disc is arranged on the surface of the sample grinding table, and sand paper is covered on the surface of the sample grinding wheel disc; the sample grinding table is provided with a waste liquid outlet which can be communicated with a waste liquid inlet of the liquid storage tank; the outer part of the sample grinding table is covered with a protective cover, a plurality of sets of flushing components are circumferentially arranged on the inner wall of the protective cover, a liquid inlet of each flushing component is communicated with the liquid storage tank, and a liquid outlet of each flushing component is aligned with the sample grinding sand wheel disc;
The sample grabbing unit is arranged at the upper part of the device supporting frame and comprises a transverse moving device and a vertical grabbing device, the transverse moving device comprises a stepping motor, a gear box, a worm wheel, a worm and a sliding block, the stepping motor and the gear box are all arranged on the device supporting frame, the output part of the stepping motor is connected with the input part of the gear box, and the output end of the gear box is provided with the worm wheel; the worm is rotatably installed at the upper part of the device supporting frame and spans the sample grinding table and the sample moving unit, and is meshed with the worm wheel; a sliding block is sleeved outside the worm, and the sliding block is meshed with the worm; the vertical grabbing device comprises a vertical telescopic part and a plurality of sets of grabbing mechanical arms, and the vertical telescopic part is suspended below the sliding block; the grabbing mechanical arm is arranged at the bottom of the vertical telescopic part and used for grabbing a sample;
The sample moving unit is arranged on the supporting platform, falls outside the annular track and comprises a material moving stepping motor, a rotating wheel, an annular belt and at least one material moving part, wherein the material moving stepping motor is arranged in the liquid storage tank; the rotating wheels are rotatably arranged at two ends of the annular track; the rotating wheel is connected with an output shaft of the material moving stepping motor; the annular belt is sleeved between the rotating wheels and used for driving the material moving part to move; the bottom of the material moving part is clamped outside the annular track and is in rolling fit with the groove wall of the annular track; the side wall of the material moving part is contacted with the outer rolling surface of the annular belt;
The liquid storage tank is arranged at the lower part of the supporting platform, a waste liquid chamber and a water purifying chamber are arranged in the liquid storage tank, a waste liquid box is detachably arranged on the waste liquid chamber, the waste liquid box is positioned below the sample grinding table and keeps the top opening of the waste liquid box communicated with the waste liquid outlet of the sample grinding table through a waste water return pipe, the bottom of the waste liquid box is communicated with the water purifying chamber, and a filter screen is arranged at the communicating part; the water purifying chamber is communicated with the liquid inlet of the flushing assembly; the water purifying chamber is communicated with an external water pipe through a pipeline;
the control unit is arranged on the supporting platform and comprises a display screen and control keys, the display screen and the control keys are arranged on the surface of the supporting platform, a controller is arranged in the display screen, a signal input end of the controller is electrically connected with a signal output end of the display screen, and a signal output end of the controller is electrically connected with control ends of the sample grinding table, the sample grabbing unit and the sample moving unit; the power supply end of the controller is electrically connected with an external power supply through a power line; the control key is electrically connected with the control end of the controller;
The device support frame is arranged on the support platform along the straight line section of the annular track and comprises a gear box support frame and a motor support frame, wherein the gear box support frame is arranged in the middle of the support platform and is positioned in an area surrounded by the annular track, and a gear box is arranged at the top of the gear box support frame; the motor support frame is arranged on a support platform outside the annular track, and a stepping motor is arranged in the motor support frame; a sand paper replacing notch is reserved on one side of the motor support frame facing the annular track;
The sample grinding table is divided into a coarse grinding table, a fine grinding table and a polishing table, and the coarse grinding table, the fine grinding table and the polishing table are sequentially arranged along the annular track.
2. The automatic batch grinding polisher for metal samples as set forth in claim 1, wherein: the flushing assembly comprises a water suction pump, a water inlet pipe and a nozzle, the water suction pump is arranged in the liquid storage tank, and a liquid inlet of the water suction pump is communicated with the water purifying chamber; the nozzle is arranged on the inner wall of the protective cover along the annular direction, and the liquid inlet of the nozzle is communicated with the liquid outlet of the water pump through the water inlet pipe.
3. The automatic batch grinding polisher for metal samples as set forth in claim 1, wherein: the vertical telescopic part comprises a primary hydraulic cylinder, a secondary hydraulic cylinder and a movable plate, wherein the primary hydraulic cylinder is vertically arranged at the bottom of the sliding block, the telescopic end of the primary hydraulic cylinder is connected with the secondary hydraulic cylinder, and the telescopic end of the secondary hydraulic cylinder is connected with the movable plate.
4. A batch automatic grinding polisher for metal samples as defined in claim 3 wherein: the grabbing mechanical arm comprises a vertical telescopic assembly and a grabbing assembly, wherein the vertical telescopic assembly comprises a fixed plate, a three-stage hydraulic cylinder, a supporting rod and a four-stage hydraulic cylinder, the grabbing assembly comprises a rotating frame, a connecting rod, a pull rod, a five-stage hydraulic cylinder, a push plate, a six-stage hydraulic cylinder, a clamping and pressing table, and the fixed plate is connected with the movable plate; the fixed plate is connected with the rotating frame through a supporting rod; the three-stage hydraulic cylinder is vertically arranged below the movable plate, and the four-stage hydraulic cylinder is arranged at the telescopic end of the three-stage hydraulic cylinder; the telescopic end of the four-stage hydraulic cylinder penetrates out of the center of the rotating frame and then is connected with the five-stage hydraulic cylinder; the telescopic end of the five-stage hydraulic cylinder is connected with a push plate; two sides of the rotating frame are respectively hinged with a pair of connecting rods, and the middle part of one connecting rod is hinged with the push plate through a pull rod; the six-stage hydraulic cylinder is vertically arranged in the center of the push plate, and a pressing table is arranged at the telescopic end of the six-stage hydraulic cylinder and used for downwards pressing the sample; the clamping is hinged to the bottom of the connecting rod, so that the clamping is opposite to a jaw for clamping the sample.
5. A batch automatic grinding polisher for metal samples as defined in claim 3 wherein: the material moving part comprises a moving table, a moving wheel and a sample table, wherein one side of the moving table facing the annular belt is tightly attached to the annular belt, so that the circulating rotation of the material moving part is realized; the bottom of the mobile station is provided with two rows of clamping grooves, the mobile wheels are paired in pairs, the mobile wheels are movably arranged in the clamping grooves at the bottom of the mobile station through springs, a gap for being clamped on the outer wall of the annular track is reserved between the two pairs of mobile wheels, and the rolling surface of each mobile wheel is in contact with the inner wall and the outer wall of the annular track; the sample platform is arranged at the top of the movable platform, and a plurality of sample grooves for inserting samples are formed in the surface of the sample platform.
6. The automatic batch grinding polisher for metal samples as set forth in claim 1, wherein: the waste liquid box is a hollow box body with a flat top cone bottom, the top end of the waste liquid box is open, and the cone bottom is clamped into the waste liquid chamber.
7. The automatic batch grinding polisher for metal samples as set forth in claim 1, wherein: the control key comprises a speed regulating button, a switch and a scram knob.
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| CN202110389714.6A CN113211243B (en) | 2021-04-12 | 2021-04-12 | Automatic sample grinding and polishing machine for metal samples in batches |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110389714.6A CN113211243B (en) | 2021-04-12 | 2021-04-12 | Automatic sample grinding and polishing machine for metal samples in batches |
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| CN113211243B true CN113211243B (en) | 2024-06-11 |
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| CN101708590A (en) * | 2009-11-26 | 2010-05-19 | 上海大学 | Automatic grinding and polishing machine of metallographic specimen |
| CN104044059A (en) * | 2014-06-22 | 2014-09-17 | 上海中研仪器制造有限公司 | Intelligent automatic metallographic grinding and polishing machine |
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