CN113427346A - Polishing processing technology for iron casting - Google Patents

Polishing processing technology for iron casting Download PDF

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Publication number
CN113427346A
CN113427346A CN202110798680.6A CN202110798680A CN113427346A CN 113427346 A CN113427346 A CN 113427346A CN 202110798680 A CN202110798680 A CN 202110798680A CN 113427346 A CN113427346 A CN 113427346A
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China
Prior art keywords
polishing
wall
iron
roller
shell
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CN202110798680.6A
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Chinese (zh)
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CN113427346B (en
Inventor
王鹏彧
程刚
王雷
汪存益
胡坤
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Anhui Xinjingjie Automation Technology Co ltd
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Anhui Xinjingjie Automation Technology Co ltd
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Publication of CN113427346A publication Critical patent/CN113427346A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/16Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
    • B03C1/18Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/30Combinations with other devices, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/12Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B51/00Arrangements for automatic control of a series of individual steps in grinding a workpiece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/12Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like

Abstract

The invention relates to the technical field of processing of iron castings, in particular to a polishing processing technology for the iron castings, which comprises a processing base, a sealed upper box body, a control unit, a workbench, a mechanical arm, an iron scrap collecting mechanism, a polishing mechanism and a workpiece fixing clamp, wherein the processing base is provided with a plurality of grooves; a workbench is arranged on the inner wall of the processing base and close to the upper end face of the processing base, a workpiece fixing clamp for placing blanks and a mechanical arm for driving the polishing mechanism to travel are symmetrically arranged on the upper end face of the workbench through bolts, an iron scrap collecting mechanism is connected to one side of the polishing mechanism, a sealed upper box body is arranged on the top of the processing base, two observation windows are symmetrically arranged on one side of the sealed upper box body through hinges, a control unit is arranged on the outer wall of one side of the processing base, and the control unit is electrically connected with the mechanical arm; according to the invention, the iron scrap collecting procedure in the polishing process is effectively improved by combining wind attraction and magnetic attraction, and the polishing machine can be provided with polishing motors with different rotating speeds for use.

Description

Polishing processing technology for iron casting
Technical Field
The invention relates to the technical field of machining of iron castings, in particular to a polishing machining process for the iron castings.
Background
The iron casting is an article cast with molten iron. The quality of iron castings has a great influence on the performance of mechanical products. For example, the wear resistance and dimensional stability of machine tool castings directly affect the accuracy retention life of the machine tool; the sizes of the impeller, the shell and the inner cavity of the hydraulic part of various pumps, the accuracy of molded lines and the surface roughness directly influence the working efficiency of the pump and a hydraulic system, the energy consumption, the development of cavitation erosion and the like; the strength and chilling and shock resistance of copper castings such as a cylinder body, a cylinder cover, a cylinder sleeve, a piston ring, an exhaust pipe and the like of the internal combustion engine directly influence the service life of the engine.
Among the dimensional stability, the most influential is that burrs are easily generated at the joint of a solidified blank and a casting mold during casting of an iron casting after the liquid is solidified. In general, in order to solve the problem of the influence of burrs in subsequent assembly operations, operators need to perform burr polishing and removing treatment on a cast blank. At the present stage, the processing of polishing of burr is generally all to adopt polishing robot to carry out the high efficiency operation, but the end configuration of polishing of general polishing robot in the market is single, and the design of the head of polishing of the simplicity leads to the indisputable flying everywhere of iron that produces in the course of working promptly, easily causes the cavity internal environment of polishing dirty in disorder, and because the iron after polishing cuts the granule very little, operating personnel is not convenient for to cut the centralized processing with the iron that drops and finishes.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a polishing processing technology for iron castings.
The technical scheme adopted by the invention for solving the technical problems is as follows: a polishing process facing to iron castings uses a polishing device facing to iron castings, and the polishing device facing to iron castings comprises a processing base, a sealed upper box body, a control unit, a workbench, a mechanical arm, an iron scrap collecting mechanism, a polishing mechanism and a workpiece fixing clamp, wherein the specific method for polishing the cast iron blank by adopting the polishing device facing to iron castings is as follows:
s1, blank installation: manually opening an observation window on one side of the sealed upper box body and opening the observation window, manually carrying the blank to the upper end of the workpiece fixing clamp, enabling burrs of the blank to face the polishing mechanism, and manually positioning the blank through a positioning clamp plate on the workpiece fixing clamp, namely, completing the installation of the blank;
s2, data input: manually connecting the control unit with an external power supply, starting the control unit, inputting the model of the blank to be polished in the control unit, and inputting the corresponding polishing value into the control unit according to the value of the qualified workpiece;
s3, burr polishing: s2, after the preparation is finished, manually closing the observation window on one side of the sealed upper box body, then controlling the control unit to start, driving the polishing mechanism to enter a working state through the control unit, and polishing the burrs of the blank through the polishing mechanism;
s4, iron cutting collection: when the grinding mechanism works, the iron scrap collecting mechanism is manually controlled to enter a working state through a trigger switch of the control unit, and iron scraps generated by grinding in the step S3 are quantitatively collected through the iron scrap collecting mechanism;
s5, taking materials and cleaning: s3, after the work is finished, manually opening an observation window on one side of the sealed upper box body, then unlocking a positioning clamping plate on the workpiece fixing clamp, taking out the iron casting which is polished, then brushing off the residual iron on the workbench through a brush, and then circularly working according to the sequence of S1-S5 to realize the circular polishing work of the blank;
a workbench is mounted on the inner wall of the processing base and close to the upper end face of the processing base, a workpiece fixing clamp for placing blanks and a mechanical arm for driving the polishing mechanism to travel are symmetrically mounted on the upper end face of the workbench through bolts, an iron scrap collecting mechanism is connected to one side of the polishing mechanism, a sealed upper box body is placed on the top of the processing base, two observation windows are symmetrically mounted on one side of the sealed upper box body through hinges, a control unit is mounted on the outer wall of one side of the processing base, and the control unit is electrically connected with the mechanical arm;
the workstation is the iron plate that a cross-section is the rectangle, and the inside equidistant circular through-hole that is used for clearing up the incomplete iron of cutting of workstation is offered, is provided with the flat board under the workstation, and dull and stereotyped welding is through spot welding the inner wall at processing base all around.
Specifically, grinding machanism includes the drive shell of connecting in arm drive shaft department through bolt fixed connection, and grinding motor is installed through the motor mount in the inside of drive shell, and grinding motor's output shaft's end department installs the connector, and some regions of connector run through in the drive shell and lie in its outside, and the one end of connector is connected with the axle of polishing, and the end department of the axle of polishing installs the head of polishing, and the one end outer wall symmetry embedding that the axle of polishing is close to the connector has drive magnet, and the drive shell lies in one side outer wall of the axle of polishing and installs the connecting block, four the connecting block uses the head of polishing to be the square distribution as the axle center, and the inside central point of connecting block puts and has seted up the connecting hole.
Specifically, the iron cutting collecting mechanism comprises a collecting shell arranged on the side wall of a driving shell through a fixing frame, a first air suction hole and a second air suction hole are respectively arranged on two sides of the interior of the collecting shell, a collecting hole is arranged at the bottom of the collecting shell, a collecting cutting tank is arranged at the lower end of the collecting hole in a threaded fit manner, an air suction fan is arranged on the outer wall of one side, close to the second air suction hole, of the collecting shell through a bolt, a filter screen is arranged on the inner wall of the collecting shell and positioned between the second air suction hole and the collecting hole, a pipeline is arranged on the outer wall of one side, close to the first air suction hole, of the collecting shell, one end of the pipeline bypasses the outer wall of the driving shell and is connected with one side of a connecting block, an air suction shell is arranged on the other side of the connecting block and positioned at the gap between the other connecting block, the connecting block and the air suction shell are fixed through a bolt, and an air suction cavity is arranged in the air suction shell, the air suction cavity is close to the side wall of the inner wall of the driving shell and is provided with a square hole, the square hole and the connecting hole are communicated with each other, and the magnetic suction assembly is arranged inside the air suction cavity.
The magnetic suction assembly comprises a first roller shaft, a second roller shaft, a third roller shaft and a fourth roller shaft which are all mounted on the inner wall of a suction cavity through bearings, the number of the second roller shafts is two, the second roller shafts are horizontally arranged at air inlets, the first roller shafts, the third roller shafts and the fourth roller shafts are arranged at orifices of square holes from left to right, rubber belts are sleeved on the outer walls of the first roller shafts and the second roller shafts, adsorption magnets are embedded into the outer walls of the rubber belts at equal intervals, separation cloth is sleeved on the outer walls of the third roller shafts and the fourth roller shafts, linkage grooves are formed in the upper end face and the lower end face of the separation cloth at equal intervals, built-in linkage grooves sleeved on the outer walls of the adsorption magnets are sleeved on the outer walls of the separation cloth at the surface area of the rubber belts, and linkage tooth grooves are formed in the middle positions of the outer walls of the first.
Specifically, one side of linkage tooth's socket is provided with the linkage board, and linkage board one side comprises smooth surface and drive tooth's socket, and drive tooth's socket and linkage tooth's socket be the cooperation structure, and linkage board opposite side embedding has the balancing weight, and the bottom embedding of linkage board has rectangular magnet, and rectangular magnet inserts in vertical inserted block, and vertical inserted block passes through the bolt fastening at the inner wall of the shell of breathing in, and the shell of breathing in is located vertical inserted block and has seted up the rectangular hole in the position under, and the inner wall adhesion of rectangular hole is by dustproof cloth.
Specifically, the inner structure of first roller, second roller, third roller and fourth roller is the same, and the standing groove has been seted up to the inside of fourth roller, and the equidistant slope of inner wall circumference of standing groove is provided with the division board, forms the drive chamber between double-phase adjacent division board and the standing groove inner wall, has all placed the drive cylinder piece in every drive chamber.
Specifically, diamond particles are electroplated on the outer wall of the polishing head in the circumferential direction, and the edge ends of the diamond particles are back to the outer wall of the polishing head.
The invention has the beneficial effects that:
(1) according to the iron casting-oriented grinding processing technology, the components such as the iron scraps collecting mechanism are arranged, the iron scraps generated in the grinding process are collected in a centralized mode in a mode of combining suction and magnetic force, the collecting efficiency is high, and the collecting process and the grinding process are synchronous, so that the quantity of the iron scraps falling onto a workbench is effectively reduced, and the condition that operators clean the workbench frequently is avoided.
(2) According to the polishing processing technology for the iron casting, the magnetic force absorption device provides driving force by the rotation of the polishing head, the adsorption magnet intermittently moves in the cavity under the condition that like-pole magnets repel each other, and after the adsorption magnet moves to a certain degree, the separation cloth sleeved on the outer surface of the adsorption magnet is separated from the adsorption magnet, so that iron scraps in the area fall off, and the adsorption force and the utilization rate of each adsorption magnet are effectively increased.
(3) According to the iron casting-oriented grinding processing technology, a plurality of placing grooves for placing the driving cylindrical blocks are formed in the components such as the first roller shaft and the second roller shaft which provide the movement motion of the rubber belt and the separating cloth, when the rotating speed of the grinding head is high, the driving cylindrical blocks placed in the placing grooves provide power to drive the rubber belt and the separating cloth to move so as to achieve the iron scraps collecting effect, and the collecting modes of two different modes are high in practicability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a perspective view of the overall structure of the present invention;
FIG. 3 is an overall view of the case of the present invention without the upper seal;
FIG. 4 is a partial cross-sectional view taken along line M-M of FIG. 3 in accordance with the present invention;
FIG. 5 is a perspective view of the magnetic attachment assembly of the present invention;
FIG. 6 is a cross-sectional view taken in the direction N-N of the present invention 5;
FIG. 7 is an enlarged view of a portion of the area A in FIG. 4 according to the present invention.
In the figure: 1. a processing base, 2, a sealed upper box body, 3, a control unit, 4, a workbench, 5, a mechanical arm, 6, an iron scrap collecting mechanism, 7, a polishing mechanism, 8, a workpiece fixing clamp, 71, a driving shell, 72, a motor fixing frame, 73, a polishing motor, 74, a connecting head, 75, a polishing shaft, 76, a driving magnet, 77, a polishing head, 78, a connecting block, 60, a suction cavity, 61, a collecting shell, 62, a suction fan, 63, a filter screen, 64, a collection cutting tank, 66, a pipeline, 67, a suction shell, 68, a magnetic suction component, 69, a square hole, 681, a first roller shaft, 682, a second roller shaft, 683, a third roller shaft, 684, a fourth roller shaft, 685, a rubber belt, 686, a separating cloth, 687, a linkage groove, 688, an adsorption magnet, 689, a linkage groove, 6841, a placing groove, 6842, a partition plate 6843, a driving cylindrical block, 6891, a linkage plate, 6892 and a driving tooth block, 6893. rectangular magnet, 6894, balancing weight, 6895, vertical inserted block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the polishing process for iron castings according to the present invention uses a polishing device for iron castings, which comprises a processing base 1, a sealed upper box 2, a control unit 3, a workbench 4, a mechanical arm 5, an iron scrap collecting mechanism 6, a polishing mechanism 7, and a workpiece fixing clamp 8, and the polishing process for iron castings by using the polishing device for iron castings comprises the following specific steps:
s1, blank installation: manually opening an observation window on one side of the upper sealed box body 2 and opening the observation window, manually carrying the blank to the upper end of the workpiece fixing clamp 8, enabling the burr of the blank to face the polishing mechanism 7, and manually positioning the blank through a positioning clamp plate arranged on the workpiece fixing clamp 8, namely, mounting the blank;
s2, data input: manually connecting the control unit 3 with an external power supply, starting the control unit 3, inputting the model of the blank to be polished in the control unit 3, and inputting the corresponding polishing numerical value into the control unit 3 according to the numerical value of the qualified workpiece;
s3, burr polishing: s2, after the preparation is finished, manually closing the observation window on one side of the upper box body 2, then controlling the control unit 3 to start, driving the polishing mechanism 7 to enter a working state through the control unit 3, and polishing the burrs of the blank through the polishing mechanism 7;
s4, iron cutting collection: when the grinding mechanism 7 works, the iron scrap collecting mechanism 6 is manually controlled to enter a working state through a trigger switch of the control unit 3, and iron scraps generated by grinding in the step S3 are quantitatively collected through the iron scrap collecting mechanism 6;
s5, taking materials and cleaning: s3, after finishing the work, manually opening an observation window on one side of the upper sealed box body 2, then unlocking a positioning clamping plate on the workpiece fixing clamp 8, taking out the iron casting which is polished, brushing off the residual iron scraps on the worktable 4 through a brush, and then circularly working according to the sequence of S1-S5 to realize the circular polishing work of the blank;
the inner wall of the processing base 1 and the position close to the upper end face of the processing base are provided with a workbench 4, the upper end face of the workbench 4 is symmetrically provided with a workpiece fixing clamp 8 for placing blanks and a mechanical arm 5 for driving a grinding mechanism 7 to walk through bolts, one side of the grinding mechanism 7 is connected with an iron cutting collecting mechanism 6, the top of the processing base 1 is provided with a sealed upper box body 2, one side of the sealed upper box body 2 is symmetrically provided with two observation windows through hinges, the outer wall of one side of the processing base 1 is provided with a control unit 3, the control unit 3 is electrically connected with the mechanical arm 5, when the processing base works specifically, blanks to be processed and ground are firstly manually placed at the upper end of the workpiece fixing clamp 8 to be fixed and tightened, then the grinding mechanism 7 and the iron cutting collecting mechanism 6 are controlled by the control unit 3 to enter a working state in sequence, and the burr grinding operation and the iron cutting collecting operation of the blanks are realized through the grinding mechanism 7 and the iron cutting collecting mechanism 6, after the polishing work is finished, the operator opens the observation window on one side of the upper sealed box body 2 and takes out the polished blank piece, so that the whole working process of the invention can be finished;
workstation 4 is the iron plate that a cross-section is the rectangle, and the inside equidistant circular through-hole that is used for clearing up the residual iron and cuts of workstation 4 is offered, be provided with dull and stereotypedly under workstation 4, dull and stereotyped welding all around at the inner wall of processing base 1 through spot welding, the iron that the part was not collected cuts the up end that drops to workstation 4 naturally under the effect of self gravity, follow-up manual work is cut partial iron through the brush and is swept circular through-hole department and can drop to dull and stereotyped, it can to concentrate the collection to cut the iron on the flat board at last.
The polishing mechanism 7 comprises a driving shell 71 fixedly connected to a driving shaft of the mechanical arm 5 through bolts, a polishing motor 73 is installed inside the driving shell 71 through a motor fixing frame 72, a connector 74 is installed at the end of an output shaft of the polishing motor 73, a part of area of the connector 74 penetrates through the driving shell 71 to be located on the outer side of the driving shell, one end of the connector 74 is connected with a polishing shaft 75, a polishing head 77 is installed at the end of the polishing shaft 75, a driving magnet 76 is symmetrically embedded in the outer wall of one end, close to the connector 74, of the polishing shaft 75, a connecting block 78 is installed on the outer wall of one side, located on the polishing shaft 75, of the driving shell 71 through bolts, four connecting blocks 78 are distributed in a square shape by taking the polishing head 77 as an axis, a connecting hole is formed in the center of the inside of each connecting block 78, and when the mechanical arm 5 works specifically, after receiving a work instruction of the control unit 3, on one hand, after receiving the command from the control unit 3, the mechanical arm 5 drives the housing 71 to move according to the command, the movement track is the polishing track required by the blank prepared in advance, therefore, the blank is polished, on the other hand, after receiving the instruction, the polishing motor 73 enters a working state, the polishing motor 73 rotates at a high speed, the output shaft of the polishing motor 73 drives the polishing shaft 75 and the driving magnet 76 to rotate together, thereby driving the polishing head 77 to rotate through the polishing shaft 75, when the polishing head 77 rotating at a high speed contacts with the burrs on the surface of the blank, the raised burrs can be ground flat in a rubbing way, diamond particles are electroplated on the outer wall of the grinding head 77 in the circumferential direction, the edge ends of the diamond particles are back to the outer wall of the polishing head 77, so that the edges of the diamond are in contact with the blank during polishing operation, and the polishing efficiency can be effectively accelerated;
the iron cutting collecting mechanism 6 comprises a collecting shell 61 arranged on the side wall of a driving shell 71 through a fixing frame, a first air suction hole and a second air suction hole are respectively arranged on two sides of the inside of the collecting shell 61, a collecting hole is arranged at the bottom of the collecting shell 61, a collecting cutting tank 64 is arranged at the lower end of the collecting hole through threaded fit, an air suction fan 62 is arranged on the outer wall of one side, close to the second air suction hole, of the collecting shell 61 through bolts, a filter screen 63 is arranged on the inner wall of the collecting shell 61 and positioned between the second air suction hole and the collecting hole, a pipeline 66 is arranged on the outer wall of one side, close to the first air suction hole, of the collecting shell 61, one end of the pipeline 66 is connected with one side of a connecting block 78 by bypassing the outer wall of the driving shell 71, an air suction shell 67 is arranged on the other side of the connecting block 78 and positioned at a gap between the connecting block 78, and the air suction shell 67 is hard smaller than the diameter of a grinding head 77, therefore, the two sides of the polishing head 77 can work normally, the connecting block 78 and the air suction shell 67 are fixed through bolts, the air suction cavity 60 is arranged in the air suction shell 67, the side wall of the inner wall of the air suction cavity 60, which is close to the driving shell 71, is provided with the square hole 69, the square hole 69 is communicated with the connecting hole, the magnetic suction component 68 is arranged in the air suction cavity 60, when the polishing head 77 works specifically, the air suction fan 62 is controlled to enter a working state through a trigger switch on the control unit 3, the air suction fan 62 rotates at a high speed to enable an air inlet of the air suction cavity 60 to generate a large suction force, when the polishing head 77 performs polishing operation, iron scraps generated by polishing are floated towards the air inlet under the action of the polishing head 77, most of the iron scraps passing through the air inlet are sucked into the air suction cavity 60, enter the two square holes 69 along the air suction cavity 60 and then enter the pipeline 66 along the square hole 69, finally, the iron scraps enter the collecting shell 61 through the pipeline 66, and partial large-particle impurities and iron scraps are blocked by the filter screen 63, so that the iron scraps and large-particle impurities are prevented from directly entering the air suction fan 62, the service life of the air suction fan 62 is influenced, after the air suction fan 62 stops working, because the inner wall of the bottom of the collecting shell 61 has a certain inclination angle, the iron scraps gathered on the collecting shell 61 can flow into the collecting and cutting tank 64 under the action of self gravity, and the collecting and cutting tank 64 is made of transparent materials, such as glass products or transparent silica gel products, so that whether the collecting and cutting tank 64 is full can be observed in a visual mode, operators can pour the iron scraps regularly, and a large amount of iron scraps can be effectively prevented from falling to the workbench 4 in the polishing operation process;
the magnetic suction assembly 68 comprises a first roll shaft 681, a second roll shaft 682, a third roll shaft 683 and a fourth roll shaft 684 which are all arranged on the inner wall of the air suction cavity 60 through bearings, the number of the second roll shafts 682 is two, the two second roll shafts 682 are horizontally arranged at an air inlet, the first roll shaft 681, the third roll shaft 683 and the fourth roll shaft 684 are arranged at the hole of the square hole 69 from left to right, rubber belts 685 are sleeved on the outer walls of the first roll shaft 681 and the second roll shaft 682, adsorption magnets 688 are embedded in the outer walls of the rubber belts 685 at equal intervals, separation cloths 686 are sleeved on the outer walls of the rubber belts 685, linkage grooves 687 are formed at equal intervals on the upper end surfaces and the lower end surfaces of the separation cloths 687, the built-in linkage grooves 687 sleeved on the separation cloths 686 in the surface regions of the rubber belts 685 are arranged on the outer walls of the adsorption magnets 688, and linkage grooves 689 are formed in the central positions of the outer walls of the first roll shaft 681, in a specific working condition, when the rotation speed of the grinding motor 73 is relatively slow, the time difference between the driving magnet 76 and the rectangular magnet 6893 after applying force to the rectangular magnet 6893 every circle is larger than the time when the rectangular magnet 6893 reaches the rising threshold value and returns to the initial position again under the action of repulsive force, at this time, the first roller shaft 681 is driven by the linkage plate 6891 to rotate clockwise, when the linkage plate 6891 rises to the highest point, the counterweight 6894 on the linkage plate 6891 drives the linkage plate 6891 to slide downwards, the driving tooth block 6892 at one side of the linkage plate 6891 which slides downwards contacts with the linkage tooth groove 689 again, so that the first roller 681 rotates anticlockwise, that is, the linkage tooth groove 689 and the driving tooth block 6892 are matched and then intermittently move, so that the rubber belt 685 and the separating cloth 686 move in a clearance manner relative to the first roller shaft 681 as a whole, and the rubber belt 685 at the air inlet moves to the square hole 69, so that the phenomenon that excessive iron scraps are concentrated at the air inlet is prevented;
one side of the linkage tooth socket 689 is provided with a linkage plate 6891, one side of the linkage plate 6891 is composed of a smooth surface and a driving tooth block 6892, the driving tooth block 6892 and the linkage tooth socket 689 are of a matched structure, the other side of the linkage plate 6891 is embedded with a balancing weight 6894, a rectangular magnet 6893 is embedded in the bottom of the linkage plate 6891, the rectangular magnet 6893 is inserted into the vertical insertion block 6895, the vertical insertion block 6895 is fixed on the inner wall of the air suction shell 67 through a bolt, a rectangular hole is formed in the air suction shell 67 at the position right below the vertical insertion block 6895, the inner wall of the rectangular hole is adhered with dustproof cloth, during specific work, when the grinding shaft 75 provided with the driving magnet 76 rotates, the symmetrically arranged driving magnet 76 displaces a gap to the position right below the rectangular magnet 6893, and as the driving magnet 76 and the rectangular magnet 6893 are magnets with the same polarity, a certain amount of thrust is applied to the rectangular magnet 6893, so that the rectangular magnet 6893 slides up along the vertical insertion block 6895 under the action of the thrust, thereby driving the linkage plate 6891 to move upwards together through the driving magnet 76, and when the linkage plate 6891 moves, the driving tooth block 6892 at one side of the linkage plate 6891 is engaged with the linkage tooth groove 689, so that the linkage plate 6891 drives the rubber belt 685 and the separating cloth 686 to move, when the iron shavings at the air inlet are not sucked into the collection and cutting tank 64, under the action of the turbulent flow generated by separation and the self-suction force, part of the iron shavings are gathered on the separation cloth 686 under the action of strong suction force, when the separating cloth 686 moves to a certain distance, the separating cloth 686 and the rubber belt 685 move in different ways, the iron-cutting magnetism attracted to the separating cloth 686 by the attracting magnet 688 is relatively reduced along with the increase of the distance between the separating cloth 686 and the rubber belt 685, when the suction force value is smaller than the gravity, burrs adsorbed on the surface of the separating cloth 686 automatically fall off, and the falling iron scraps are sucked away for separation, so that the collection rate is further improved.
The internal structures of the first roller shaft 681, the second roller shaft 682, the third roller shaft 683 and the fourth roller shaft 684 are the same, the inside of the fourth roller shaft 684 is provided with a placement groove 6841, the inner wall of the placement groove 6841 is circumferentially provided with partition plates 6842 at equal intervals in an inclined manner, a driving chamber is formed between the two adjacent partition plates 6842 and the inner wall of the placement groove 6841, and each driving chamber is internally provided with a driving cylindrical block 6843. in the specific work, when the rotating speed of the polishing motor 73 is relatively high, the time difference between each circle of the driving magnet 76 exerting force on the rectangular magnet 6893 and then contacting the rectangular magnet 6893 is smaller than the time when the rectangular magnet 6893 reaches the rising threshold value under the action of repulsive force and then returns to the initial position, the cycle that the polishing motor 73 rotates around the rectangular magnet 6893 is shorter and shorter, at the moment, the linkage 689 is in contact with the smooth surface of the gear groove 6891, and the linkage plate 6891 is relatively difficult to drive the gear groove 689 to rotate for a long time, under the condition, preferably, a placing groove 6841 is formed in the first roller shaft 681, the second roller shaft 682, the third roller shaft 683 and the fourth roller shaft 684, a plurality of driving cylindrical blocks 6843 are placed in each driving chamber, when the driving cylindrical blocks 6843 slide down along the placing groove 6841, the placing groove 6841 receives a vertically downward component force of the driving cylindrical blocks 6843, and the force directly serves as a driving force to drive the first roller shaft 681, the second roller shaft 682, the third roller shaft 683 and the fourth roller shaft 684 to rotate, so that the separation cloth 686 and the rubber belt 685 are driven to move, and the adsorption magnet 688 adsorbed with the iron scraps can separate the iron scraps;
further, can be at the outer wall end of the shell 67 that breathes in the installation module of making a video recording, through the size that the module of making a video recording absorb the burr earlier, carry the size of burr for the control unit 3 through the module of making a video recording, rethread control unit 3 is with signal transmission to grinding motor 73, changes grinding motor 73's real-time current, changes grinding motor 73's rotational speed through real-time current's change, the demand that the different burrs of following formula were polished.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a polishing process technology towards ironcasting, its used one kind towards the polishing device of ironcasting, should include processing base (1), sealed box (2), the control unit (3), workstation (4), arm (5), iron cut and collect mechanism (6), polishing mechanism (7) and work piece mounting fixture (8) on the ironcasting, its characterized in that: the concrete method for polishing the cast iron blank by adopting the polishing device facing the iron casting is as follows:
s1, blank installation: manually opening an observation window on one side of the upper sealed box body (2) and opening the observation window, manually carrying the blank to the upper end of a workpiece fixing clamp (8) to enable burrs of the blank to face a polishing mechanism (7), and manually positioning the blank through a positioning clamp plate on the workpiece fixing clamp (8) to finish the installation of the blank;
s2, data input: manually connecting the control unit (3) with an external power supply, starting the control unit (3), inputting the model of the blank to be polished in the control unit (3), and inputting the corresponding polishing numerical value into the control unit (3) according to the numerical value of the qualified workpiece;
s3, burr polishing: s2, after the preparation is finished, manually closing the observation window on one side of the upper sealed box body (2), then controlling the control unit (3) to start, driving the polishing mechanism (7) to enter a working state through the control unit (3), and polishing the burrs of the blank through the polishing mechanism (7);
s4, iron cutting collection: when the grinding mechanism (7) works, the iron scraps collecting mechanism (6) is manually controlled to enter a working state through a trigger switch of the control unit (3), and iron scraps generated by grinding in the S3 are quantitatively collected through the iron scraps collecting mechanism (6);
s5, taking materials and cleaning: s3, after the work is finished, manually opening an observation window on one side of the sealed upper box body (2), then unlocking a positioning clamping plate on the workpiece fixing clamp (8), taking out the iron casting which is polished, brushing off the residual iron cuttings on the workbench (4) through a brush, and then circularly working according to the sequence of S1-S5 to realize the circular polishing work of the blank;
the machining device comprises a machining base (1), a workbench (4) is arranged on the inner wall of the machining base (1) and close to the upper end face of the machining base, a workpiece fixing clamp (8) for placing blanks and a mechanical arm (5) for driving a grinding mechanism (7) to walk are symmetrically arranged on the upper end face of the workbench (4) through bolts, an iron scrap collecting mechanism (6) is connected to one side of the grinding mechanism (7), a sealed upper box body (2) is placed on the top of the machining base (1), two observation windows are symmetrically arranged on one side of the sealed upper box body (2) through hinges, a control unit (3) is arranged on the outer wall of one side of the machining base (1), and the control unit (3) is electrically connected with the mechanical arm (5);
workstation (4) are the iron plate of a cross-section for the rectangle, and the inside equidistant circular through-hole that is used for clearing up the remaining iron and cuts of workstation (4), are provided with the flat board under workstation (4), and dull and stereotyped welding is through spot welding the inner wall at processing base (1) all around.
2. The grinding process for iron castings according to claim 1, characterized in that: the polishing mechanism (7) comprises a driving shell (71) fixedly connected to a driving shaft of the mechanical arm (5) through bolts, a polishing motor (73) is installed inside the driving shell (71) through a motor fixing frame (72), a connector (74) is installed at the end of an output shaft of the polishing motor (73), and the partly regional running through in drive shell (71) of connector (74) is located its outside, and the one end of connector (74) is connected with grinding shaft (75), and the end department of grinding shaft (75) installs grinding head (77), and the one end outer wall symmetry embedding that grinding shaft (75) are close to connector (74) has drive magnet (76), and drive shell (71) are located one side outer wall of grinding shaft (75) and install connecting block (78), four through the bolt connecting block (78) is used grinding head (77) as the axle center to connecting block (78) are the square distribution, and the inside central point of connecting block (78) puts and has seted up the connecting hole.
3. The grinding machining process for iron castings according to claim 2, characterized in that: the iron cutting collecting mechanism (6) comprises a collecting shell (61) which is arranged on the side wall of a driving shell (71) through a fixing frame, a first air suction hole and a second air suction hole are respectively formed in two sides of the inner portion of the collecting shell (61), a collecting hole is formed in the bottom of the collecting shell (61), a collecting cutting tank (64) is installed at the lower end of the collecting hole in a threaded fit mode, an air suction fan (62) is installed on the outer wall of one side, close to the second air suction hole, of the collecting shell (61) through bolts, a filter screen (63) is arranged on the inner wall of the collecting shell (61) and located between the second air suction hole and the collecting hole, a pipeline (66) is installed on the outer wall of one side, close to the first air suction hole, of the pipeline (66), the outer wall of the driving shell (71) is wound by one end of the pipeline (66) and connected with one side of a connecting block (78), the other side of the connecting block (78) is located on the other side and adjacent to the other side of the connecting block (78), and an air suction shell (67) is installed at a gap between the connecting block (78), and connecting block (78) and inhale through the bolt fastening between shell (67), the inside of inhaling shell (67) is provided with air suction cavity (60), and air suction cavity (60) are close to drive shell (71) inner wall lateral wall and have been seted up square hole (69), and communicate each other between square hole (69) and the connecting hole, and air suction cavity's (60) inside is provided with magnetism and inhales subassembly (68).
4. The grinding machining process for iron castings according to claim 3, characterized in that: magnetism subassembly (68) is inhaled including all installing first roller (681) at air suction cavity (60) inner wall through the bearing, second roller (682), third roller (683) and fourth roller (684), the quantity of second roller (682) is two, and two second roller (682) is horizontal arrangement in air intake department, first roller (681), third roller (683) and fourth roller (684) arrange the drill way department at square hole (69) from the left hand right hand side, first roller (681) and second roller (682) outer wall cup joint rubber belt (685), the equidistant embedding of outer wall of rubber belt (685) has adsorption magnet (688), rubber belt (685), the outer wall cup joint separation cloth (687) of third roller (683) and fourth roller (684), the equidistant linkage groove (687) of upper and lower terminal surface of separation cloth (686) have been seted up, and at the built-in magnet adsorption groove (687) of rubber belt (685) surface region cup joint cloth (686) surface region 688) The outer wall of (681), the outer wall of first roller axle (681) the position in the middle has seted up linkage tooth's socket (689).
5. The grinding process for iron castings according to claim 4, wherein: one side of linkage tooth's socket (689) is provided with linkage plate (6891), linkage plate (6891) one side comprises smooth surface and drive tooth piece (6892), and drive tooth piece (6892) and linkage tooth's socket (689) are the cooperation structure, linkage plate (6891) opposite side embedding has balancing weight (6894), the bottom embedding of linkage plate (6891) has rectangular magnet (6893), rectangular magnet (6893) insert in vertical inserted block (6895), vertical inserted block (6895) pass through the bolt fastening at the inner wall of air suction shell (67), air suction shell (67) are located vertical inserted block (6895) under the position and have seted up the rectangular hole, the inner wall adhesion of rectangular hole is by dustproof cloth.
6. The grinding process for iron castings according to claim 4, wherein: the inner structure of first roller (681), second roller (682), third roller (683) and fourth roller (684) is the same, and standing groove (6841) have been seted up to the inside of fourth roller (684), and the equidistant slope of inner wall circumference of standing groove (6841) is provided with division board (6842), forms the drive chamber between two adjacent division boards (6842) and standing groove (6841) inner wall, has all placed drive cylinder piece (6843) in every drive chamber.
7. The grinding machining process for iron castings according to claim 2, characterized in that: the outer wall of the polishing head (77) is electroplated with diamond particles in the circumferential direction, and the edge ends of the diamond particles are back to the outer wall of the polishing head (77).
CN202110798680.6A 2021-07-15 2021-07-15 Polishing processing technology for iron casting Active CN113427346B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH678292A5 (en) * 1989-03-29 1991-08-30 Werner Lueber
CN107825263A (en) * 2017-11-06 2018-03-23 石家庄铁道大学 Polishing dedusting manipulator and the detection device installation system containing the manipulator
CN111168044A (en) * 2020-01-19 2020-05-19 四川省犍为恒益铝业有限公司 Machining method for oil pipe shell after casting forming
CN111590399A (en) * 2020-05-30 2020-08-28 合肥集知匠心科技发展有限公司 Machining method for gear shaft of transmission accessory of speed reducer
CN111804896A (en) * 2020-07-14 2020-10-23 江苏卓钇智能数控装备有限公司 Automatic finishing device and method for iron casting blank
CN212218052U (en) * 2020-05-07 2020-12-25 漳州市威利钟表有限公司 Precision workpiece grinding lathe
CN112171420A (en) * 2020-10-09 2021-01-05 陈静 Post-treatment process for casting and processing of cylinder cover

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH678292A5 (en) * 1989-03-29 1991-08-30 Werner Lueber
CN107825263A (en) * 2017-11-06 2018-03-23 石家庄铁道大学 Polishing dedusting manipulator and the detection device installation system containing the manipulator
CN111168044A (en) * 2020-01-19 2020-05-19 四川省犍为恒益铝业有限公司 Machining method for oil pipe shell after casting forming
CN212218052U (en) * 2020-05-07 2020-12-25 漳州市威利钟表有限公司 Precision workpiece grinding lathe
CN111590399A (en) * 2020-05-30 2020-08-28 合肥集知匠心科技发展有限公司 Machining method for gear shaft of transmission accessory of speed reducer
CN111804896A (en) * 2020-07-14 2020-10-23 江苏卓钇智能数控装备有限公司 Automatic finishing device and method for iron casting blank
CN112171420A (en) * 2020-10-09 2021-01-05 陈静 Post-treatment process for casting and processing of cylinder cover

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Denomination of invention: A Grinding Process for Cast Iron Parts

Effective date of registration: 20230613

Granted publication date: 20220218

Pledgee: Huaxia Bank Co.,Ltd. Hefei high tech Zone sub branch

Pledgor: ANHUI XINJINGJIE AUTOMATION TECHNOLOGY Co.,Ltd.

Registration number: Y2023980043765