CN120885786A - A deburring device and method for removing internal burrs from aluminum alloy parts based on electrical discharge machining. - Google Patents

A deburring device and method for removing internal burrs from aluminum alloy parts based on electrical discharge machining.

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Publication number
CN120885786A
CN120885786A CN202511432620.7A CN202511432620A CN120885786A CN 120885786 A CN120885786 A CN 120885786A CN 202511432620 A CN202511432620 A CN 202511432620A CN 120885786 A CN120885786 A CN 120885786A
Authority
CN
China
Prior art keywords
aluminum alloy
working electrode
burrs
tube
piston rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202511432620.7A
Other languages
Chinese (zh)
Other versions
CN120885786B (en
Inventor
廖健
姚春明
刘主民
孙俊
徐红阳
杨军
李嘉辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Yangguang Jianduan Aluminium Industry Co ltd
Original Assignee
Sichuan Yangguang Jianduan Aluminium Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Yangguang Jianduan Aluminium Industry Co ltd filed Critical Sichuan Yangguang Jianduan Aluminium Industry Co ltd
Priority to CN202511432620.7A priority Critical patent/CN120885786B/en
Publication of CN120885786A publication Critical patent/CN120885786A/en
Application granted granted Critical
Publication of CN120885786B publication Critical patent/CN120885786B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/02—Trimming or deburring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/04—Electrodes specially adapted therefor or their manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00—Auxiliary apparatus or details, not otherwise provided for
    • B23H11/003—Mounting of workpieces, e.g. working-tables

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

本发明公开了一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置及方法，本发明涉及利用电火花加工原理去除掉铝合金件内腔中毛刺的技术领域，它包括内部注入有工作液的槽体、设置于槽体上用于定位和周转铝合金件的定位及周转组件，立板的左端面上固设有进给气缸，进给气缸的活塞杆向右贯穿立板，且延伸端上固设有垂向设置的活动板，活动板的上端部顺次固连有横板和齿条，活动板的下端部内固设有一个水平设置的绝缘管C，绝缘管C的右端部固设有一个工作电极C，该工作电极C的左端面上固设有位于绝缘管C内的第三导电柱。本发明的有益效果是：极大减轻工人去除毛刺的工作强度、极大提高去除铝合金件内腔中毛刺效率。

This invention discloses a deburring device and method for removing internal burrs from aluminum alloy parts based on electrical discharge machining (EDM). The invention relates to the technical field of removing burrs from the internal cavities of aluminum alloy parts using the principle of EDM. It includes a tank filled with working fluid, a positioning and turnover assembly mounted on the tank for positioning and rotating the aluminum alloy parts, a feed cylinder fixed to the left end face of a vertical plate, the piston rod of the feed cylinder extending to the right through the vertical plate, and a vertically arranged movable plate fixed to its extended end. A horizontal plate and a rack are sequentially fixed to the upper end of the movable plate, and a horizontally arranged insulating tube C is fixed inside the lower end of the movable plate. A working electrode C is fixed to the right end of the insulating tube C, and a third conductive post located inside the insulating tube C is fixed to the left end face of the working electrode C. The beneficial effects of this invention are: greatly reducing the workload of workers in deburring and greatly improving the efficiency of removing burrs from the internal cavities of aluminum alloy parts.

Description

Deburring device and method for removing burrs in aluminum alloy part based on electric spark machining
Technical Field
The invention relates to the technical field of removing burrs in an inner cavity of an aluminum alloy part by utilizing an electric spark machining principle, in particular to a deburring device and a deburring method for removing burrs in an aluminum alloy part based on electric spark machining.
Background
The structure of the aluminum alloy part formed by a certain extrusion forming machine is shown as a graph 1-2, the structure comprises a transverse aluminum alloy pipe 1, three vertical aluminum alloy pipes 2 are fixedly arranged on the top surface of the transverse aluminum alloy pipe 1 along the length direction of the transverse aluminum alloy pipe, the three vertical aluminum alloy pipes 2 are arranged at intervals, the inner cavities of the three vertical aluminum alloy pipes 2 are communicated with the inner cavities of the transverse aluminum alloy pipe 1, the lengths of the three vertical aluminum alloy pipes 2 are equal to the length of the transverse aluminum alloy pipe 1, and the cross sections of the vertical aluminum alloy pipes 2 are square. The transverse aluminum alloy pipe 1 and the three vertical aluminum alloy pipes 2 of the aluminum alloy piece are mainly used for assembling a cabinet or a case.
After a batch of aluminum alloy parts are produced in a workshop, due to the reasons of extrusion molding technology, a large number of burrs are distributed at four edges of the inner cavity of the transverse aluminum alloy pipe 1 and four edges of the inner cavity of the three vertical aluminum alloy pipes 2 of the aluminum alloy parts, and therefore, the burrs at the four edges of the inner cavities of the transverse aluminum alloy pipe 1 and the vertical aluminum alloy pipes 2 of the aluminum alloy parts are required to be polished in the technology.
Because burrs are distributed in the inner cavities of the transverse aluminum alloy pipe 1 and the vertical aluminum alloy pipe 2 of the aluminum alloy part, the burrs in the inner cavities cannot be polished by adopting a common polisher, and therefore, the burrs at four edges and corners in the inner cavities of the transverse aluminum alloy pipe 1 and the vertical aluminum alloy pipe 2 of the aluminum alloy part can be removed only by adopting an electric spark machining device.
The structure of the electric spark machining device is shown in fig. 3, the electric spark machining device comprises a tank body 3 and working fluid injected into the tank body 3, a plastic base 4 is fixedly arranged in the tank body 3 and positioned on the bottom wall of the tank body 3, a first conductive column 5 is fixedly arranged in the plastic base 4, a support plate 6 is fixedly arranged on the outer wall of the left side of the tank body 3, an insulating tube 7 is penetrated in a through hole of the support plate 6, an annular plate 8 is fixedly arranged on the outer wall of the insulating tube 7, the annular plate 8 is supported on the top surface of the support plate 6, a working electrode 9 is fixedly arranged at the bottom of the insulating tube 7, the cross section of the working electrode 9 is square, and a second conductive column 10 positioned in the insulating tube 7 is fixedly arranged on the top surface of the working electrode 9;
The electric spark machining device further comprises a pulse power supply M11, a first conducting wire 12 and a second conducting wire 13 are connected to the pulse power supply M11, the other end of the first conducting wire 12 penetrates through the bottom wall of the groove body 3 and is connected with the first conductive column 5, and the other end of the second conducting wire 13 penetrates through the top end of the insulating tube 7 and is connected with the second conductive column 10.
The method for removing burrs at four edges and corners in the inner cavities of the transverse aluminum alloy pipe 1 and the three vertical aluminum alloy pipes 2 of the aluminum alloy piece by workers by utilizing the electric spark machining device comprises the following steps:
sa, a worker wears an insulating glove, and then takes out an aluminum alloy part to be deburred as shown in fig. 1-2;
sb, the worker puts the horizontal aluminum alloy pipe 1 of the aluminum alloy part on the top surface of the plastic base 4, as shown in fig. 4, at this time, the bottom surface of the horizontal aluminum alloy pipe 1 contacts with the first conductive column 5, and meanwhile, the working fluid in the tank body 3 enters into the inner cavities of the horizontal aluminum alloy pipe 1 and the three vertical aluminum alloy pipes 2 of the aluminum alloy part;
Sc, workers pull the insulating tube 7 out of the support plate 6 and hold the insulating tube 7 by hand;
Sd, the burrs at four edges and corners in the inner cavity of the first vertical aluminum alloy pipe 2 of the aluminum alloy piece are removed, and the specific operation steps are as follows:
Sd1, workers face the working electrode 9 positioned at the bottom of the insulating tube 7 to the position right above the first vertical aluminum alloy tube 2 of the aluminum alloy piece, as shown in fig. 5;
Sd2, a worker turns on a pulse power supply M11, the pulse power supply M11 powers on the first conductive column 5 through the first lead 12, the first conductive column 5 conducts current to the transverse aluminum alloy tube 1, the transverse aluminum alloy tube 1 conducts current to the three vertical aluminum alloy tubes 2, meanwhile, the pulse power supply M11 powers on the second conductive column 10 through the second lead 13, and the second conductive column 10 transfers current to the working electrode 9;
Sd3, workers move the insulating tube 7 downwards so that the working electrode 9 at the bottom of the insulating tube 7 is initially inserted into the top port of the first vertical aluminum alloy tube 2, as shown in fig. 6, at the moment, pulse electric sparks are sent out at four edges of the working electrode 9, and the pulse electric sparks start to melt burrs at the four edges in the inner cavity of the vertical aluminum alloy tube 2;
Sd4, the worker continues to move the insulating tube 7 downwards, the insulating tube 7 drives the working electrode 9 to move downwards, and the working electrode 9 gradually removes burrs at four edges in the inner cavity of the vertical aluminum alloy tube 2;
Se and workers repeat the operation of the step Sd twice, so that burrs at four edges and corners in the inner cavities of the two other vertical aluminum alloy pipes 2 of the aluminum alloy piece can be removed;
Sf, removing burrs at four edges and corners in an inner cavity of a transverse aluminum alloy pipe 1 of an aluminum alloy part, wherein the specific operation steps are as follows:
sf1, a worker inserts the working electrode 9 into the left port of the transverse aluminum alloy tube 1 preliminarily, as shown in fig. 8, at the moment, pulse electric sparks are sent out at four edges of the working electrode 9, and the pulse electric sparks start to melt burrs at the four edges in the inner cavity of the transverse aluminum alloy tube 1;
When the working electrode 9 moves to the right port of the transverse aluminum alloy pipe 1, as shown in figure 9, burrs at four edges in the inner cavity of the transverse aluminum alloy pipe 1 of an aluminum alloy part can be removed, so that the electric spark machining device is finally used for removing burrs at four edges in the inner cavities of the transverse aluminum alloy pipe 1 of the aluminum alloy part and the three vertical aluminum alloy pipes 2 of the aluminum alloy part;
sg, taking away an aluminum alloy part without burrs, and specifically comprises the following operation steps:
Sg1, the worker turns off the pulse power supply M11 and reinserts the insulating tube 7 into the through hole of the support plate 6 to support the annular plate 8 on the insulating tube 7 on the support plate 6, thereby placing the insulating tube 7;
sg2, the worker takes away the aluminum alloy piece without burrs from the plastic base 4;
Sh and workers repeatedly operate the steps Sb-Sg for a plurality of times, and burrs in the inner cavities of the aluminum alloy parts can be removed.
However, in the electric discharge machining apparatus used in the workshop, burrs at four corners in the inner cavities of the lateral aluminum alloy pipe 1 and the three vertical aluminum alloy pipes 2 of the aluminum alloy piece can be removed, but in actual operation, the following technical drawbacks still occur:
I. In the steps Sd-Se, the insulating tube 7 needs to be moved downwards three times in total to sequentially remove burrs at four edges in the inner cavity of the three vertical aluminum alloy tubes 2 of the aluminum alloy piece through the working electrode 9, and in the step Sf, the insulating tube 7 needs to be moved horizontally once to remove burrs at four edges in the inner cavity of the horizontal aluminum alloy tube 1 of the aluminum alloy piece through the working electrode 9. That is, a total of four processes are required to remove burrs from the inner cavity of one aluminum alloy part, and the deburring takes longer time, thereby reducing the efficiency of deburring from the inner cavity of the aluminum alloy part.
II. In the steps Sd-Sf, workers are required to manually move the insulating tube 7 to remove burrs at four edges in the inner cavities of the transverse aluminum alloy tube 1 and the three vertical aluminum alloy tubes 2 of the aluminum alloy parts, which clearly increases the working strength of the workers for removing the burrs.
Therefore, there is a need for a deburring device and method that greatly reduces the work intensity of workers for deburring and greatly improves the efficiency of deburring the inner cavity of an aluminum alloy part.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a deburring device and a deburring method for removing burrs in an aluminum alloy part based on electric spark machining, which are used for greatly reducing the working strength of deburring by workers and greatly improving the deburring efficiency in the inner cavity of the aluminum alloy part.
The invention aims at realizing the technical scheme that the deburring device for removing burrs in aluminum alloy parts based on electric spark machining comprises a tank body, a positioning and turnover assembly and a plastic positioning seat, wherein working fluid is injected into the tank body, the positioning and turnover assembly is arranged on the tank body and used for positioning and turnover of the aluminum alloy parts, the positioning and turnover assembly comprises a turnover cylinder fixedly arranged on the right side wall of the tank body, a piston rod of the turnover cylinder stretches leftwards into the tank body, a sinking groove is formed in the top surface of the plastic positioning seat, a first conductive column penetrating downwards through the bottom surface of the plastic positioning seat is fixedly arranged at the bottom of the sinking groove, and the top surface of the first conductive column is level with the bottom of the sinking groove;
The right side wall of the groove body is fixedly provided with a connecting frame, the top wall of the connecting frame extends right above the groove body, the bottom surface of the extending end is fixedly provided with a guide post, the guide post is slidably provided with a floating plate, the front end surface of the guide post is rotatably provided with a gear positioned right above the floating plate through a rotating shaft, the front end surface of the gear is fixedly provided with a fixed bar extending downwards in a right-inclined manner, the other end of the fixed bar is hinged with a connecting rod through a pin, and the other end of the connecting rod is hinged on the floating plate;
Three insulating pipes B which are vertically arranged are fixedly arranged in the floating plate at intervals along the length direction of the floating plate, the bottoms of the three insulating pipes B are connected with working electrodes B, and the top surfaces of the three working electrodes B are fixedly provided with second conductive columns positioned in the insulating pipes B;
The left side wall of the groove body is fixedly provided with a vertical plate, the left end face of the vertical plate is fixedly provided with a feeding cylinder, a piston rod of the feeding cylinder penetrates through the vertical plate right, the extending end is fixedly provided with a movable plate which is vertically arranged, the upper end portion of the movable plate is sequentially fixedly provided with a transverse plate and a rack, the rack is meshed with a gear, the lower end portion of the movable plate is internally fixedly provided with an insulating tube C which is horizontally arranged, the right end portion of the insulating tube C is fixedly provided with a working electrode C, and the left end face of the working electrode C is fixedly provided with a third conductive column which is positioned in the insulating tube C.
And a stop valve communicated with the bottom wall of the tank body is fixedly arranged on the bottom wall of the tank body.
The sinking groove is matched with the outer contour of the transverse aluminum alloy pipe of the aluminum alloy piece.
The top surface of the floating plate is fixedly provided with a guide sleeve, and the guide sleeve is arranged on the guide post in a sliding manner.
And a sealing ring is arranged between a piston rod of the turnover cylinder and the right side wall of the groove body.
The deburring device further comprises a pulse power supply P, wherein the pulse power supply P is connected with a first wire and a second wire, the first wire penetrates through the bottom wall of the groove body and is connected with the first conductive column, the tail end of the second wire is connected with three branch wires B in parallel, the three branch wires B penetrate through the top wall of the three insulating tubes B respectively and are connected with the corresponding second conductive columns respectively, the tail end of the second wire is connected with a branch wire C in parallel, and the branch wire C penetrates through the top wall of the insulating tube C and is connected with the third conductive column.
The sealing filling layer is connected between the first lead and the bottom wall of the groove body, the sealing filling layer is connected between the branch line B and the top wall of the insulating tube B, and the sealing filling layer is connected between the branch line C and the top wall of the insulating tube C.
The deburring device further comprises a controller, and the controller is electrically connected with the turnover cylinder, the feeding cylinder and the stop valve through signal wires.
A method for removing burrs in an aluminum alloy part based on electric spark machining, which comprises the following steps:
s1, carrying an insulating glove by a worker, and then taking out an aluminum alloy part to be deburred;
S2, placing the transverse aluminum alloy pipe of the aluminum alloy part into a sinking groove of a plastic positioning seat of the positioning and turnover assembly, wherein the sinking groove is matched with the outer contour of the transverse aluminum alloy pipe of the aluminum alloy part, so that the positioning of the aluminum alloy part is realized;
S3, controlling a piston rod of a turnover cylinder of the positioning and turnover assembly to extend leftwards, driving a plastic positioning seat to move leftwards, driving an aluminum alloy part and a first conductive column to synchronously move leftwards by the plastic positioning seat, and enabling the aluminum alloy part to enter a deburring station after the piston rod of the turnover cylinder extends completely, wherein three vertical aluminum alloy pipes of the aluminum alloy part are respectively positioned right above top ports of three working electrodes B, and simultaneously, left ports of transverse aluminum alloy pipes of the aluminum alloy part are positioned on the right side of a working electrode C;
S4, a worker turns on a pulse power supply P, the pulse power supply P powers on a first conductive column through a first wire, the first conductive column conducts current to the transverse aluminum alloy tubes, and the transverse aluminum alloy tubes conduct current to the three vertical aluminum alloy tubes;
simultaneously, the pulse power supply P electrifies three branch lines B through the second lead, the three branch lines B electrifies three second conductive columns respectively, and the second conductive columns conduct current to the working electrode B;
simultaneously, the pulse power supply P also supplies electricity to one branch line C through the second lead, the branch line C supplies electricity to the third conductive column, and the third conductive column conducts current to the working electrode C;
S5, controlling a piston rod of the feeding cylinder to extend rightwards, wherein the piston rod drives the movable plate to do rectilinear motion rightwards, and the movable plate drives the transverse plate, the rack and the insulating tube C to do rectilinear motion rightwards synchronously, and the insulating tube C drives the working electrode C to move towards the left port direction of the transverse aluminum alloy tube;
Meanwhile, the rack drives the gear to rotate clockwise around the rotating shaft, the gear drives the fixed bar to rotate synchronously, the fixed bar drives the connecting rod to rotate downwards, the connecting rod drives the floating plate to move downwards along the guide post, the floating plate drives the three insulating pipes B to move downwards synchronously, and the insulating pipes B drive the working electrode B to move towards the top end opening direction of the vertical aluminum alloy pipe;
S6, along with the fact that a piston rod of a feeding cylinder continues to extend rightwards, a working electrode C is initially inserted into a left port of a transverse aluminum alloy pipe of an aluminum alloy part, pulse electric sparks are emitted from four edges of the working electrode C to start to melt burrs at the four edges in an inner cavity of the transverse aluminum alloy pipe;
S7, along with the fact that a piston rod of a feeding cylinder continues to extend rightwards, a working electrode C gradually moves rightwards in the transverse aluminum alloy tube, burrs at four edges in the inner cavity of the transverse aluminum alloy tube are gradually removed by the working electrode C in the moving process, meanwhile, burrs at four edges in the inner cavity of the vertical aluminum alloy tube are gradually removed by the working electrode B in the moving process, and the working electrode B is gradually moved downwards in the vertical aluminum alloy tube;
S8, when the piston rod of the feeding cylinder is completely extended, the working electrode C just moves into the right port of the transverse aluminum alloy tube, so that burrs at four edges and corners in the inner cavity of the transverse aluminum alloy tube are thoroughly removed;
Simultaneously, the three working electrodes C respectively and exactly move into the bottom end openings of the three vertical aluminum alloy pipes, so that burrs at four edges and corners in the inner cavities of the three vertical aluminum alloy pipes are thoroughly removed, and all burrs in the first aluminum alloy part are finally removed, and then the aluminum alloy part without burrs in the inner cavity is obtained;
s9, removing the aluminum alloy part without burrs, wherein the specific operation steps are as follows:
S91, a worker turns off the pulse power supply P;
s92, controlling a piston rod of a feeding cylinder to retract leftwards, enabling the piston rod to be brought to a movable plate to do linear motion leftwards, enabling the movable plate to drive a transverse plate, a rack and an insulating tube C to do linear motion leftwards synchronously, and enabling the insulating tube C to drive a working electrode C to gradually withdraw leftwards from an inner cavity of a transverse aluminum alloy tube;
meanwhile, the rack driving gear rotates anticlockwise around the rotating shaft, the driving gear drives the fixed bar and the connecting rod to rotate upwards, the connecting rod drives the floating plate to move upwards along the guide post, the floating plate drives the three insulating pipes B to synchronously upwards, and the insulating pipes B drive the working electrode B to gradually withdraw from the inner cavity of the vertical aluminum alloy pipe upwards;
S93, after the piston rod of the feeding cylinder is completely retracted, the insulating tube C and the working electrode C move to the initial positions, and simultaneously, the three insulating tubes B and the three working electrodes B move to the initial positions;
S94, controlling a piston rod of the turnover cylinder to retract rightwards, wherein the piston rod drives the plastic positioning seat to move rightwards, and the plastic positioning seat drives the aluminum alloy part without burrs to move rightwards;
s10, the worker repeats the operations of the steps S2 to S9 for a plurality of times, and burrs in the inner cavities of the aluminum alloy parts can be removed.
The invention has the advantages of greatly reducing the working strength of workers for removing burrs and greatly improving the efficiency of removing burrs in the inner cavity of the aluminum alloy part.
Drawings
FIG. 1 is a schematic structural view of an aluminum alloy part;
FIG. 2 is a schematic diagram of the main section of FIG. 1;
FIG. 3 is a schematic view of an electric discharge machine according to the prior art;
FIG. 4 is a schematic illustration of a worker laying a transverse aluminum alloy tube of an aluminum alloy piece flat on a top surface of a plastic base;
FIG. 5 is a schematic illustration of a worker directing a working electrode directly over a first vertical aluminum alloy tube of an aluminum alloy article;
FIG. 6 is a schematic illustration of the initial insertion of a working electrode into a top port of a first vertical aluminum alloy tube;
FIG. 7 is a schematic view of the working electrode moving to the bottom end port of the vertical aluminum alloy tube;
FIG. 8 is a schematic illustration of a worker initially inserting a working electrode into a left port of a transverse aluminum alloy tube;
FIG. 9 is a schematic illustration of the working electrode moving to the right port of the transverse aluminum alloy tube;
FIG. 10 is a schematic diagram of the structure of the present invention;
FIG. 11 is a schematic diagram of the main section of FIG. 10;
FIG. 12 is a schematic diagram with pulse power source P, first conductor, second conductor, leg B and leg C of FIG. 11 removed;
FIG. 13 is a schematic view of a positioning and turnaround assembly;
FIG. 14 is a schematic view in elevation of FIG. 13;
FIG. 15 is a schematic view of the connection of the link, guide post, gear, fixed bar and link;
FIG. 16 is a schematic partial cross-sectional view of FIG. 15;
FIG. 17 is a schematic diagram showing the connection of a floating plate, an insulating tube B and a working electrode B;
FIG. 18 is a schematic diagram of the main section of FIG. 17;
fig. 19 is a schematic diagram showing the connection of the feed cylinder, the movable plate, the insulating tube C and the working electrode C;
FIG. 20 is a schematic view in elevation of FIG. 19;
FIG. 21 is a schematic diagram of a positioning of an aluminum alloy member;
FIG. 22 is a schematic view of an aluminum alloy article entering a deburring station;
FIG. 23 is a schematic view of a working electrode C initially inserted into a left port of a transverse aluminum alloy tube of an aluminum alloy member;
FIG. 24 is a schematic view of working electrode C moving into the right port of the transverse aluminum alloy tube;
FIG. 25 is a schematic view of an aluminum alloy part with no burrs removed;
In the figure:
1-a transverse aluminum alloy pipe and 2-a vertical aluminum alloy pipe;
The device comprises a 3-groove body, a 4-plastic base, a 5-first conductive column, a 6-support plate, a 7-insulating tube, an 8-annular plate, a 9-working electrode, a 10-second conductive column, an 11-pulse power supply M, a 12-first lead and a 13-second lead;
14-turnover air cylinders, 15-plastic positioning seats, 16-sinking grooves, 17-connecting frames, 18-guide columns, 19-floating plates, 20-gears, 21-fixed bars, 22-pin shafts, 23-connecting rods, 24-insulating pipes B and 25-working electrodes B;
26-vertical plates, 27-feeding cylinders, 28-movable plates, 29-transverse plates, 30-racks, 31-insulating tubes C, 32-working electrodes C, 33-third conductive columns;
34-guide sleeve, 35-pulse power P, 36-branch B, 37-branch C.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
As shown in fig. 10-20, the deburring device for removing burrs in aluminum alloy parts based on electric spark machining comprises a groove body 3, a positioning and turnover assembly, wherein working fluid is injected into the groove body 3, the positioning and turnover assembly is arranged on the groove body 3 and used for positioning and turnover of the aluminum alloy parts, the positioning and turnover assembly comprises a turnover cylinder 14 fixedly arranged on the right side wall of the groove body 3, a piston rod of the turnover cylinder 14 stretches into the groove body 3 leftwards, a plastic positioning seat 15 is fixedly arranged on an extending end of the turnover cylinder, and a sealing ring is arranged between the piston rod of the turnover cylinder 14 and the right side wall of the groove body 3. The top surface of the plastic positioning seat 15 is provided with a sinking groove 16, the sinking groove 16 is matched with the outer contour of the transverse aluminum alloy pipe 1 of the aluminum alloy piece, the bottom of the sinking groove 16 is fixedly provided with a first conductive column 5 which downwards penetrates through the bottom surface of the plastic positioning seat 15, the top surface of the first conductive column 5 is flush with the bottom of the sinking groove 16, the bottom wall of the groove body 3 is fixedly provided with a stop valve communicated with the bottom surface of the sinking groove 16, and working fluid in the groove body 3 can be discharged by opening the stop valve.
The right side wall of the groove body 3 is fixedly provided with a connecting frame 17, the top wall of the connecting frame 17 extends right above the groove body 3, the bottom surface of the extending end is fixedly provided with a guide post 18, the guide post 18 is provided with a floating plate 19 in a sliding mode, the front end face of the guide post 18 is rotatably provided with a gear 20 positioned right above the floating plate 19 through a rotating shaft, the front end face of the gear 20 is fixedly provided with a fixed bar 21 extending downwards obliquely to the right, the other end of the fixed bar 21 is hinged with a connecting rod 23 through a pin shaft 22, the other end of the connecting rod 23 is hinged to the floating plate 19, the top surface of the floating plate 19 is fixedly provided with a guide sleeve 34, and the guide sleeve 34 is arranged on the guide post 18 in a sliding mode.
The floating plate 19 is internally provided with three insulating pipes B24 which are vertically arranged at intervals along the length direction, the bottoms of the three insulating pipes B24 are respectively connected with a working electrode B25, the size of each working electrode B25 is smaller than that of the inner cavity of the vertical aluminum alloy pipe 2, and the top surfaces of the three working electrodes B25 are respectively fixedly provided with a second conductive column 10 positioned in the insulating pipe B24.
The left side wall of the groove body 3 is fixedly provided with a vertical plate 26, the left end face of the vertical plate 26 is fixedly provided with a feeding cylinder 27, a piston rod of the feeding cylinder 27 penetrates through the vertical plate 26 rightwards, the extending end is fixedly provided with a movable plate 28 which is vertically arranged, the upper end part of the movable plate 28 is sequentially fixedly provided with a transverse plate 29 and a rack 30, the rack 30 is meshed with the gear 20, the lower end part of the movable plate 28 is internally fixedly provided with an insulating tube C31 which is horizontally arranged, the right end part of the insulating tube C31 is fixedly provided with a working electrode C32, the size of the working electrode C32 is smaller than that of the transverse aluminum alloy tube 1, and the left end face of the working electrode C32 is fixedly provided with a third conductive column 33 which is positioned in the insulating tube C31.
The deburring device further comprises a pulse power supply P35, wherein the pulse power supply P35 is connected with a first lead 12 and a second lead 13, the first lead 12 penetrates through the bottom wall of the groove body 3 and is connected with the first conductive column 5, the tail end of the second lead 13 is connected with three branch lines B36 in parallel, the three branch lines B36 penetrate through the top wall of the three insulating tubes B24 respectively and are connected with the corresponding second conductive columns 10 respectively, the tail end of the second lead 13 is connected with a branch line C37 in parallel, and the branch line C37 penetrates through the top wall of the insulating tube C31 and is connected with the third conductive column 33.
A sealing filling layer is connected between the first lead 12 and the bottom wall of the tank body 3, a sealing filling layer is connected between the branch line B36 and the top wall of the insulating tube B24, and a sealing filling layer is connected between the branch line C37 and the top wall of the insulating tube C31.
The deburring device further comprises a controller, wherein the controller is electrically connected with the turnover cylinder 14, the feeding cylinder 27 and the stop valve through signal wires, and workers can control the extension or retraction of piston rods of the turnover cylinder 14 and the feeding cylinder 27 through the controller, so that the operation of the workers is facilitated.
A method for removing burrs in an aluminum alloy part based on electric spark machining, which comprises the following steps:
s1, carrying an insulating glove by a worker, and then taking out an aluminum alloy part to be deburred as shown in the figures 1-2;
s2, placing the transverse aluminum alloy pipe 1 of the aluminum alloy part into a sinking groove 16 of a plastic positioning seat 15 of the positioning and turnover assembly, wherein the sinking groove 16 is matched with the outer contour of the transverse aluminum alloy pipe 1 of the aluminum alloy part, so that the positioning of the aluminum alloy part is realized, as shown in figure 21;
S3, controlling a piston rod of a turnover cylinder 14 of a positioning and turnover assembly to extend leftwards, driving a plastic positioning seat 15 to move leftwards by the piston rod, driving an aluminum alloy piece and a first conductive column 5 to synchronously move leftwards by the plastic positioning seat 15, and enabling the aluminum alloy piece to enter a deburring station after the piston rod of the turnover cylinder 14 extends completely, wherein at the moment, three vertical aluminum alloy pipes 2 of the aluminum alloy piece are respectively positioned right above top ports of three working electrodes B25, and meanwhile, left ports of a transverse aluminum alloy pipe 1 of the aluminum alloy piece are positioned on the right side of a working electrode C32;
S4, a worker turns on a pulse power supply P35, the pulse power supply P35 powers on the first conductive column 5 through the first lead 12, the first conductive column 5 conducts current to the transverse aluminum alloy tube 1, and the transverse aluminum alloy tube 1 conducts current to the three vertical aluminum alloy tubes 2;
simultaneously, the pulse power supply P35 energizes the three branch lines B36 through the second lead 13, the three branch lines B36 respectively energize the three second conductive columns 10, and the second conductive columns 10 conduct current to the working electrode B25;
simultaneously, the pulse power supply P also supplies electricity to one branch line C37 through the second lead wire 13, the branch line C37 supplies electricity to the third conductive column 33, and the third conductive column 33 conducts current to the working electrode C32;
S5, controlling a piston rod of the feeding cylinder 27 to extend rightwards, wherein the piston rod drives the movable plate 28 to do rectilinear motion rightwards, the moving direction of the movable plate 28 is shown by an arrow in FIG. 23, the movable plate 28 drives the transverse plate 29, the rack 30 and the insulating tube C31 to do rectilinear motion rightwards synchronously, and the insulating tube C31 drives the working electrode C32 to move towards the left port direction of the transverse aluminum alloy tube 1;
Simultaneously, the rack 30 drives the gear 20 to rotate clockwise around the rotating shaft, the gear 20 drives the fixed bar 21 to rotate synchronously, the fixed bar 21 drives the connecting rod 23 to rotate downwards, the connecting rod 23 drives the floating plate 19 to move downwards along the guide post 18, the floating plate 19 drives the three insulating pipes B24 to move downwards synchronously, and the insulating pipes B24 drive the working electrode B25 to move towards the top end opening direction of the vertical aluminum alloy pipe 2;
S6, along with the fact that the piston rod of the feeding cylinder 27 continues to extend rightward, the working electrode C32 is initially inserted into the left port of the transverse aluminum alloy tube 1 of the aluminum alloy piece, pulse electric sparks are sent out from four edges of the working electrode C32 to start melting burrs at the four edges in the inner cavity of the transverse aluminum alloy tube 1, meanwhile, the three working electrodes B25 are respectively initially inserted into the top ports of the three vertical aluminum alloy tubes 2 of the aluminum alloy piece, and pulse electric sparks are sent out from the four edges of the working electrode B25 to start melting burrs at the four edges in the inner cavity of the vertical aluminum alloy tube 2, as shown in FIG. 23;
S7, along with the fact that a piston rod of the feeding cylinder 27 continues to extend rightwards, the working electrode C32 gradually moves rightwards in the transverse aluminum alloy tube 1, burrs at four edges in the inner cavity of the transverse aluminum alloy tube 1 are gradually removed by the working electrode C32 in the moving process, meanwhile, burrs at four edges in the inner cavity of the vertical aluminum alloy tube 2 are gradually removed by the working electrode B25 in the moving process, and the burrs at the four edges in the inner cavity of the vertical aluminum alloy tube 2 are gradually removed by the working electrode B25;
s8, after the piston rod of the feeding cylinder 27 is completely extended, the working electrode C32 just moves into the right port of the transverse aluminum alloy tube 1, as shown in FIG. 24, so that burrs at four edges and corners in the inner cavity of the transverse aluminum alloy tube 1 are thoroughly removed;
Simultaneously, the three working electrodes C32 respectively and exactly move into the bottom end ports of the three vertical aluminum alloy pipes 2, as shown in fig. 24, so that burrs at four edges and corners in the inner cavities of the three vertical aluminum alloy pipes 2 are thoroughly removed, and all burrs in the first aluminum alloy piece are finally removed, and then the aluminum alloy piece without burrs in the inner cavity is obtained;
The worker can automatically insert the working electrode C32 into the inner cavity of the transverse aluminum alloy tube 1 of the aluminum alloy piece to remove burrs at four edges in the inner cavity of the transverse aluminum alloy tube 1, and simultaneously, automatically insert the three working electrodes B25 into the inner cavity of the three vertical aluminum alloy tubes 2 of the aluminum alloy piece to remove burrs at four edges in the inner cavity of the three vertical aluminum alloy tubes 2 of the aluminum alloy piece respectively, as known from the steps S2-S8, only by positioning the aluminum alloy piece to be deburred on the plastic positioning seat 15, then controlling the piston rod of the turnover cylinder 14 to extend leftwards so as to enable the aluminum alloy piece to enter the deburring station, and finally controlling the piston rod of the feeding cylinder 27 to extend rightwards.
Therefore, compared with the electric spark machining device shown in fig. 3-9, the deburring device can remove burrs in the inner cavities of the three vertical aluminum alloy pipes 2 and the one horizontal aluminum alloy pipe 1 respectively without manually moving the insulating pipe 7 four times by workers, and can remove all burrs at four edges and corners in the inner cavities of the three vertical aluminum alloy pipes 2 and the one horizontal aluminum alloy pipe 1 of the aluminum alloy part at one time through linkage cooperation of the plastic positioning seat 15, the turnover cylinder 14 and the feeding cylinder 27, so that burrs in the inner cavities of the one aluminum alloy part are removed in a short time, the time for removing all burrs in the aluminum alloy part is greatly shortened, and the efficiency for removing burrs in the inner cavities of the aluminum alloy part is greatly improved.
In addition, the deburring device can automatically move one insulating tube C31 and three insulating tubes B24 by controlling the rightward extension of the piston rod of the feeding cylinder 27, compared with the deburring method shown in fig. 3-9 in a workshop, the deburring device does not need workers to manually move the insulating tube 7, and therefore the deburring working strength of the workers is greatly reduced.
S9, removing the aluminum alloy part without burrs, wherein the specific operation steps are as follows:
s91, a worker turns off the pulse power supply P35;
S92, controlling a piston rod of the feeding cylinder 27 to retract leftwards, enabling the piston rod to be brought to the movable plate 28 to perform linear motion leftwards, enabling the movable plate 28 to drive the transverse plate 29, the rack 30 and the insulating tube C31 to perform linear motion leftwards synchronously, wherein the insulating tube C31 drives the working electrode C32 to gradually withdraw leftwards from the inner cavity of the transverse aluminum alloy tube 1;
Simultaneously, the rack 30 drives the gear 20 to rotate anticlockwise around the rotating shaft, the driving gear 20 drives the fixed bar 21 and the connecting rod 23 to rotate upwards, the connecting rod 23 drives the floating plate 19 to move upwards along the guide post 18, the floating plate 19 drives the three insulating pipes B24 to synchronously upwards, and the insulating pipes B24 drive the working electrode B25 to gradually withdraw from the inner cavity of the vertical aluminum alloy pipe 2 upwards;
S93, when the piston rod of the feeding cylinder 27 is completely retracted, the insulating tube C31 and the working electrode C32 are moved to the initial positions, and at the same time, the three insulating tubes B24 and the three working electrodes B25 are moved to the initial positions;
S94, controlling a piston rod of the turnover cylinder 14 to retract rightwards, wherein the piston rod drives the plastic positioning seat 15 to move rightwards, and the plastic positioning seat 15 drives the aluminum alloy piece without burrs to move rightwards;
s10, the worker repeats the operations of the steps S2 to S9 for a plurality of times, and burrs in the inner cavities of the aluminum alloy parts can be removed.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and the present invention is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1.一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置，其特征在于：它包括内部注入有工作液的槽体（3）、设置于槽体（3）上用于定位和周转铝合金件的定位及周转组件，定位及周转组件包括固设于槽体（3）右侧壁上的周转气缸（14），周转气缸（14）的活塞杆向左伸入于槽体（3）内，且延伸端上固设有塑料定位座（15），塑料定位座（15）的顶表面上开设有沉槽（16），沉槽（16）的槽底固设有向下贯穿塑料定位座（15）底表面的第一导电柱（5），第一导电柱（5）的顶表面与沉槽（16）的槽底相平齐；1. A deburring device for removing internal burrs of aluminum alloy parts based on electrical discharge machining, characterized in that: it includes a tank (3) filled with working fluid, and a positioning and turnover assembly for positioning and turnover of aluminum alloy parts set on the tank (3). The positioning and turnover assembly includes a turnover cylinder (14) fixed on the right side wall of the tank (3). The piston rod of the turnover cylinder (14) extends to the left into the tank (3), and a plastic positioning seat (15) is fixed on the extended end. A sinkhole (16) is opened on the top surface of the plastic positioning seat (15). A first conductive post (5) is fixed at the bottom of the sinkhole (16) and penetrates downward through the bottom surface of the plastic positioning seat (15). The top surface of the first conductive post (5) is flush with the bottom of the sinkhole (16). 所述槽体（3）的右侧壁上固设有连接架（17），连接架（17）的顶壁延伸于槽体（3）的正上方，且延伸端的底表面上固设有导向柱（18），导向柱（18）上滑动安装有浮动板（19），导向柱（18）的前端面上经转轴旋转安装有位于浮动板（19）正上方的齿轮（20），齿轮（20）的前端面上固设有向右倾斜向下延伸的固定条杆（21），固定条杆（21）的另一端经销轴（22）铰接有连杆（23），连杆（23）的另一端铰接于浮动板（19）上；A connecting frame (17) is fixed on the right side wall of the tank (3). The top wall of the connecting frame (17) extends directly above the tank (3), and a guide post (18) is fixed on the bottom surface of the extended end. A floating plate (19) is slidably installed on the guide post (18). A gear (20) located directly above the floating plate (19) is rotatably installed on the front end face of the guide post (18) via a rotating shaft. A fixed bar (21) extending downward to the right is fixed on the front end face of the gear (20). A connecting rod (23) is hinged to the other end of the fixed bar (21) via a pin shaft (22). The other end of the connecting rod (23) is hinged to the floating plate (19). 所述浮动板（19）内且沿其长度方向间隔的固设有三个垂向设置的绝缘管B（24），三个绝缘管B（24）的底部均连接有工作电极B（25），三个工作电极B（25）的顶表面上均固设有位于绝缘管B（24）内的第二导电柱（10）；Three vertically arranged insulating tubes B (24) are fixedly installed in the floating plate (19) at intervals along its length. The bottom of each of the three insulating tubes B (24) is connected to a working electrode B (25). The top surface of each of the three working electrodes B (25) is fixedly provided with a second conductive post (10) located in the insulating tube B (24). 所述槽体（3）的左侧壁上固设有立板（26），立板（26）的左端面上固设有进给气缸（27），进给气缸（27）的活塞杆向右贯穿立板（26），且延伸端上固设有垂向设置的活动板（28），活动板（28）的上端部顺次固连有横板（29）和齿条（30），齿条（30）与齿轮（20）相啮合，活动板（28）的下端部内固设有一个水平设置的绝缘管C（31），绝缘管C（31）的右端部固设有一个工作电极C（32），该工作电极C（32）的左端面上固设有位于绝缘管C（31）内的第三导电柱（33）。A vertical plate (26) is fixed on the left side wall of the tank (3). A feed cylinder (27) is fixed on the left end face of the vertical plate (26). The piston rod of the feed cylinder (27) passes through the vertical plate (26) to the right, and a vertically arranged movable plate (28) is fixed on the extended end. A horizontal plate (29) and a rack (30) are sequentially fixed on the upper end of the movable plate (28). The rack (30) meshes with the gear (20). A horizontally arranged insulating tube C (31) is fixed inside the lower end of the movable plate (28). A working electrode C (32) is fixed on the right end of the insulating tube C (31). A third conductive post (33) located inside the insulating tube C (31) is fixed on the left end face of the working electrode C (32). 2.根据权利要求1所述的一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置，其特征在于：所述槽体（3）的底壁上固设有与其相连通的截止阀。2. The deburring device for removing internal burrs of aluminum alloy parts based on electrical discharge machining according to claim 1, characterized in that: a shut-off valve connected to the bottom wall of the tank (3) is fixedly provided. 3.根据权利要求2所述的一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置，其特征在于：所述沉槽（16）与铝合金件的横向铝合金管（1）的外轮廓相配合。3. The deburring device for removing internal burrs of aluminum alloy parts based on electrical discharge machining according to claim 2, characterized in that: the sink (16) is matched with the outer contour of the transverse aluminum alloy tube (1) of the aluminum alloy part. 4.根据权利要求3所述的一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置，其特征在于：所述浮动板（19）的顶表面上固设有导向套（34），导向套（34）滑动套设于导向柱（18）上。4. The deburring device for removing internal burrs of aluminum alloy parts based on electrical discharge machining according to claim 3, characterized in that: a guide sleeve (34) is fixedly provided on the top surface of the floating plate (19), and the guide sleeve (34) is slidably sleeved on the guide post (18). 5.根据权利要求4所述的一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置，其特征在于：所述周转气缸（14）的活塞杆与槽体（3）的右侧壁之间安装有密封圈。5. The deburring device for removing internal burrs of aluminum alloy parts based on electrical discharge machining according to claim 4, characterized in that: a sealing ring is installed between the piston rod of the rotary cylinder (14) and the right side wall of the groove (3). 6.根据权利要求5所述的一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置，其特征在于：该去毛刺装置还包括脉冲电源P（35），脉冲电源P（35）上连接有第一导线（12）和第二导线（13），第一导线（12）贯穿槽体（3）的底壁且与第一导电柱（5）相连接；第二导线（13）的末端并联有三个支线B（36），三个支线B（36）分别贯穿三个绝缘管B（24）的顶壁，且分别与对应的第二导电柱（10）相连接，第二导线（13）的末端还并联有支线C（37），支线C（37）贯穿绝缘管C（31）的顶壁且与第三导电柱（33）相连接。6. A deburring device for removing internal burrs of aluminum alloy parts based on electrical discharge machining according to claim 5, characterized in that: the deburring device further includes a pulse power supply P (35), a first wire (12) and a second wire (13) connected to the pulse power supply P (35), the first wire (12) penetrates the bottom wall of the groove (3) and is connected to the first conductive post (5); the end of the second wire (13) is connected in parallel with three branch lines B (36), the three branch lines B (36) penetrate the top wall of three insulating tubes B (24) respectively, and are connected to the corresponding second conductive post (10); the end of the second wire (13) is also connected in parallel with a branch line C (37), the branch line C (37) penetrates the top wall of the insulating tube C (31) and is connected to the third conductive post (33). 7.根据权利要求6所述的一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置，其特征在于：所述第一导线（12）与槽体（3）的底壁之间连接有密封填充层，所述支线B（36）与绝缘管B（24）的顶壁之间连接有密封填充层，所述支线C（37）与绝缘管C（31）的顶壁之间连接有密封填充层。7. A deburring device for removing internal burrs of aluminum alloy parts based on electrical discharge machining according to claim 6, characterized in that: a sealing filling layer is connected between the first conductor (12) and the bottom wall of the groove (3), a sealing filling layer is connected between the branch line B (36) and the top wall of the insulating tube B (24), and a sealing filling layer is connected between the branch line C (37) and the top wall of the insulating tube C (31). 8.根据权利要求7所述的一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置，其特征在于：该去毛刺装置还包括控制器，控制器与周转气缸（14）、进给气缸（27）和截止阀经信号线电连接。8. A deburring device for removing internal burrs of aluminum alloy parts based on electrical discharge machining according to claim 7, characterized in that: the deburring device further includes a controller, and the controller is electrically connected to the rotary cylinder (14), the feed cylinder (27) and the shut-off valve via a signal line. 9.一种基于电火花加工的除去铝合金件内毛刺的方法，采用权利要求8所述的一种基于电火花加工的除去铝合金件内毛刺的去毛刺装置，其特征在于：它包括以下步骤：9. A method for removing internal burrs from aluminum alloy parts based on electrical discharge machining, employing the deburring device for removing internal burrs from aluminum alloy parts based on electrical discharge machining as described in claim 8, characterized in that it includes the following steps: S1、工人带上绝缘手套，而后取出一个待去除毛刺的铝合金件；S1. The worker puts on insulated gloves and then takes out an aluminum alloy part that needs to be deburred. S2、将铝合金件的横向铝合金管（1）放入到定位及周转组件的塑料定位座（15）的沉槽（16）内，由于沉槽（16）与铝合金件的横向铝合金管（1）的外轮廓相配合，从而实现了对铝合金件的定位；当定位好铝合金件后，槽体（3）内的工作液进入到铝合金件的横向铝合金管（1）和三个竖向铝合金管（2）的内腔中，工作液将横向铝合金管（1）和竖向铝合金管（2）的内腔填满；S2. Place the horizontal aluminum alloy tube (1) of the aluminum alloy part into the groove (16) of the plastic positioning seat (15) of the positioning and turnover assembly. Since the groove (16) matches the outer contour of the horizontal aluminum alloy tube (1) of the aluminum alloy part, the positioning of the aluminum alloy part is realized. After the aluminum alloy part is positioned, the working fluid in the tank (3) enters the inner cavity of the horizontal aluminum alloy tube (1) and the three vertical aluminum alloy tubes (2) of the aluminum alloy part. The working fluid fills the inner cavity of the horizontal aluminum alloy tube (1) and the vertical aluminum alloy tubes (2). S3、控制定位及周转组件的周转气缸（14）的活塞杆向左伸出，活塞杆带动塑料定位座（15）向左运动，塑料定位座（15）带动铝合金件和第一导电柱（5）同步向左运动，当周转气缸（14）的活塞杆完全伸出后，铝合金件进入到去毛刺工位，此时，铝合金件的三个竖向铝合金管（2）分别处于三个工作电极B（25）顶端口的正上方，同时，铝合金件的横向铝合金管（1）的左端口处于工作电极C（32）的右侧；S3. The piston rod of the turnover cylinder (14) of the control positioning and turnover component extends to the left, and the piston rod drives the plastic positioning seat (15) to move to the left. The plastic positioning seat (15) drives the aluminum alloy part and the first conductive column (5) to move to the left synchronously. When the piston rod of the turnover cylinder (14) is fully extended, the aluminum alloy part enters the deburring station. At this time, the three vertical aluminum alloy tubes (2) of the aluminum alloy part are directly above the top ports of the three working electrodes B (25). At the same time, the left port of the horizontal aluminum alloy tube (1) of the aluminum alloy part is on the right side of the working electrode C (32). S4、工人打开脉冲电源P（35），脉冲电源P（35）经第一导线（12）给第一导电柱（5）通电，第一导电柱（5）将电流传导给横向铝合金管（1），横向铝合金管（1）再将电流传导给三个竖向铝合金管（2）上；S4. The worker turns on the pulse power supply P (35). The pulse power supply P (35) powers the first conductive post (5) through the first wire (12). The first conductive post (5) conducts the current to the horizontal aluminum alloy tube (1). The horizontal aluminum alloy tube (1) then conducts the current to the three vertical aluminum alloy tubes (2). 同时，脉冲电源P（35）经第二导线（13）给三个支线B（36）通电，三个支线B（36）分别给三个第二导电柱（10）通电，第二导电柱（10）再将电流传导给工作电极B（25）；At the same time, the pulse power supply P (35) energizes the three branches B (36) through the second wire (13), and the three branches B (36) energize the three second conductive posts (10) respectively. The second conductive posts (10) then conduct the current to the working electrode B (25). 同时，脉冲电源P还经第二导线（13）给一个支线C（37）通电，支线C（37）给第三导电柱（33）通电，第三导电柱（33）再将电流传导给工作电极C（32）；At the same time, the pulse power supply P also energizes a branch line C (37) through the second wire (13), the branch line C (37) energizes the third conductive post (33), and the third conductive post (33) then conducts the current to the working electrode C (32). S5、控制进给气缸（27）的活塞杆向右伸出，活塞杆带动活动板（28）向右做直线运动，活动板（28）带动横板（29）、齿条（30）和绝缘管C（31）同步向右做直线运动，其中，绝缘管C（31）带动工作电极C（32）朝向横向铝合金管（1）的左端口方向运动；S5. The piston rod of the control feed cylinder (27) extends to the right, and the piston rod drives the movable plate (28) to move to the right in a straight line. The movable plate (28) drives the horizontal plate (29), rack (30) and insulating tube C (31) to move to the right in a straight line in sync. Among them, the insulating tube C (31) drives the working electrode C (32) to move towards the left end of the horizontal aluminum alloy tube (1). 同时，齿条（30）驱动齿轮（20）绕着转轴做顺时针旋转，齿轮（20）带动固定条杆（21）同步旋转，固定条杆（21）带动连杆（23）向下旋转，连杆（23）带动浮动板（19）沿着导向柱（18）向下运动，浮动板（19）带动三个绝缘管B（24）同步向下运动，绝缘管B（24）带动工作电极B（25）朝向竖向铝合金管（2）的顶端口方向运动；At the same time, the rack (30) drives the gear (20) to rotate clockwise around the shaft. The gear (20) drives the fixed bar (21) to rotate synchronously. The fixed bar (21) drives the connecting rod (23) to rotate downward. The connecting rod (23) drives the floating plate (19) to move downward along the guide column (18). The floating plate (19) drives the three insulating tubes B (24) to move downward synchronously. The insulating tubes B (24) drive the working electrode B (25) to move towards the top port of the vertical aluminum alloy tube (2). S6、随着进给气缸（27）的活塞杆继续向右伸出，工作电极C（32）初步的插入到铝合金件的横向铝合金管（1）的左端口内，从工作电极C（32）的四个棱角处发出脉冲电火花开始熔化掉横向铝合金管（1）内腔中四个棱角处的毛刺；同时，三个工作电极B（25）分别初步的插入到铝合金件的三个竖向铝合金管（2）的顶端口内，从工作电极B（25）的四个棱角处发出脉冲电火花开始熔化掉竖向铝合金管（2）内腔中四个棱角处的毛刺；S6. As the piston rod of the feed cylinder (27) continues to extend to the right, the working electrode C (32) is initially inserted into the left port of the horizontal aluminum alloy tube (1) of the aluminum alloy part. Pulsed electric sparks are emitted from the four corners of the working electrode C (32) to begin melting away the burrs at the four corners of the inner cavity of the horizontal aluminum alloy tube (1). At the same time, the three working electrodes B (25) are initially inserted into the top ports of the three vertical aluminum alloy tubes (2) of the aluminum alloy part. Pulsed electric sparks are emitted from the four corners of the working electrode B (25) to begin melting away the burrs at the four corners of the inner cavity of the vertical aluminum alloy tube (2). S7、随着进给气缸（27）的活塞杆继续向右伸出，工作电极C（32）在横向铝合金管（1）内逐渐向右移动，在移动过程中，工作电极C（32）逐渐去除掉横向铝合金管（1）内腔中四个棱角处的毛刺；同时，工作电极B（25）在竖向铝合金管（2）内逐渐向下移动，在移动过程中，工作电极B（25）逐渐去除掉竖向铝合金管（2）内腔中四个棱角处的毛刺；S7. As the piston rod of the feed cylinder (27) continues to extend to the right, the working electrode C (32) gradually moves to the right inside the transverse aluminum alloy tube (1). During the movement, the working electrode C (32) gradually removes the burrs at the four corners of the inner cavity of the transverse aluminum alloy tube (1). At the same time, the working electrode B (25) gradually moves downward inside the vertical aluminum alloy tube (2). During the movement, the working electrode B (25) gradually removes the burrs at the four corners of the inner cavity of the vertical aluminum alloy tube (2). S8、当进给气缸（27）的活塞杆完全伸出后，工作电极C（32）刚好移动到横向铝合金管（1）的右端口内，从而彻底去除掉横向铝合金管（1）内腔中四个棱角处的毛刺；S8. When the piston rod of the feed cylinder (27) is fully extended, the working electrode C (32) moves into the right port of the transverse aluminum alloy tube (1), thereby completely removing the burrs at the four corners of the inner cavity of the transverse aluminum alloy tube (1). 同时，三个工作电极C（32）分别刚好分别移动到三个竖向铝合金管（2）的底端口内，从而彻底去除掉三个竖向铝合金管（2）内腔中四个棱角处的毛刺，从而最终实现了去除掉第一个铝合金件内的所有毛刺，进而得到一个内腔中不带有毛刺的铝合金件；At the same time, the three working electrodes C (32) are moved into the bottom ports of the three vertical aluminum alloy tubes (2) respectively, thereby completely removing the burrs at the four corners of the inner cavity of the three vertical aluminum alloy tubes (2), thus finally removing all the burrs in the first aluminum alloy part, and thus obtaining an aluminum alloy part without burrs in the inner cavity. S9、不带有毛刺的铝合金件的取走，其具体的操作步骤为：S9. The specific steps for removing burr-free aluminum alloy parts are as follows: S91、工人关闭脉冲电源P（35）；S91, the worker turns off the pulse power supply P (35). S92、控制进给气缸（27）的活塞杆向左缩回，活塞杆带到活动板（28）向左做直线运动，活动板（28）带动横板（29）、齿条（30）和绝缘管C（31）同步向左做直线运动，其中，绝缘管C（31）带动工作电极C（32）逐渐向左从横向铝合金管（1）内腔中退出；S92, control the piston rod of the feed cylinder (27) to retract to the left, the piston rod brings the movable plate (28) to move to the left in a straight line, the movable plate (28) drives the horizontal plate (29), rack (30) and insulating tube C (31) to move to the left in a straight line at the same time, wherein the insulating tube C (31) drives the working electrode C (32) to gradually exit from the inner cavity of the horizontal aluminum alloy tube (1) to the left; 同时，齿条（30）驱动齿轮（20）绕着转轴做逆时针旋转，驱动齿轮（20）带动固定条杆（21）和连杆（23）向上旋转，连杆（23）带动浮动板（19）沿着导向柱（18）向上运动，浮动板（19）带动三个绝缘管B（24）同步向上，绝缘管B（24）带动工作电极B（25）向上逐渐从竖向铝合金管（2）的内腔中退出；At the same time, the rack (30) drives the gear (20) to rotate counterclockwise around the shaft. The drive gear (20) drives the fixed bar (21) and the connecting rod (23) to rotate upward. The connecting rod (23) drives the floating plate (19) to move upward along the guide column (18). The floating plate (19) drives the three insulating tubes B (24) to move upward synchronously. The insulating tubes B (24) drive the working electrode B (25) to gradually exit from the inner cavity of the vertical aluminum alloy tube (2). S93、当进给气缸（27）的活塞杆完全缩回后，绝缘管C（31）和工作电极C（32）运动到初始位置，同时，三个绝缘管B（24）和三个工作电极B（25）运动到初始位置；S93. When the piston rod of the feed cylinder (27) is fully retracted, the insulating tube C (31) and the working electrode C (32) move to the initial position. At the same time, the three insulating tubes B (24) and the three working electrodes B (25) move to the initial position. S94、控制周转气缸（14）的活塞杆向右缩回，活塞杆带动塑料定位座（15）向右运动，塑料定位座（15）带动不带有毛刺的铝合金件向右运动；当周转气缸（14）的活塞杆完全缩回后，塑料定位座（15）运动到初始位置，此时，工人即可将不带有毛刺的铝合金件从槽体（3）内取走；S94. Control the piston rod of the turnover cylinder (14) to retract to the right. The piston rod drives the plastic positioning seat (15) to move to the right. The plastic positioning seat (15) drives the burr-free aluminum alloy part to move to the right. When the piston rod of the turnover cylinder (14) is fully retracted, the plastic positioning seat (15) moves to the initial position. At this time, the worker can take the burr-free aluminum alloy part out of the tank (3). S10、工人如此重复步骤S2~S9的操作多次，即可去除掉多个铝合金件内腔中的毛刺。S10. Workers can remove burrs from the inner cavities of multiple aluminum alloy parts by repeating steps S2 to S9 multiple times.
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