CN201157941Y - Liquid storage tank for mixed powder electric spark machining - Google Patents
Liquid storage tank for mixed powder electric spark machining Download PDFInfo
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- CN201157941Y CN201157941Y CNU2008200559595U CN200820055959U CN201157941Y CN 201157941 Y CN201157941 Y CN 201157941Y CN U2008200559595 U CNU2008200559595 U CN U2008200559595U CN 200820055959 U CN200820055959 U CN 200820055959U CN 201157941 Y CN201157941 Y CN 201157941Y
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Abstract
The utility model relates to a liquid reserve tank for mixed powder spark machining, and belongs to the field of non-conventional machining. The liquid reserve tank comprises a tank body, an oil drainage port, a liquid filling pump, a liquid supply pump, an agitator, bottom valves, a rotating joint, a three-way valve, a filtering mesh tank, a hydraulic cyclone, a throttling valve and a liquid separation head, wherein, the bottom valves are arranged at the liquid inlets of the liquid filling pump and the liquid supply pump, the inlet of the three-way valve is connected with the outlet of the liquid supply pump, one outlet of the three-way valve is connected with the inlet of the rotating joint and the outlet of the liquid filling pump, the other outlet of the three-way valve is connected with the hydraulic cyclone, the outlet of the hydraulic cyclone is connected with the throttling valve, the filter mesh tank is positioned on the end cover at the top part of the tank body, the rotating joint is fixed on the end cover of the tank body, and is connected with the liquid separation head, one end of each outlet end is connected with the liquid separation head, and a liquid filling port is arranged on one side of the outlet end. The liquid reserve tank ensures that the powder is uniformly mixed in the working fluid, so as to keep the stability of the mixed powder spark machining.
Description
Technical field
The utility model relates to the device in a kind of special processing technology field, specifically is a kind of mixed powder spark machined liquid reserve tank.
Background technology
Mix the powder spark erosion technique by in the electric spark working solution, adding electroconductive powders such as silicon, aluminium, change the spark discharge state, increased discharging gap, reduced the parasitic capacitance of interpolar to a great extent, the refinement discharge energy, make discharge show even distribution, thereby reduce roughness value that processing shows, improve workpiece surface quality in processing.
One of key technology of mixing the powder spark machined is to guarantee that the powder that is added mixes in working solution, but because the density of powder itself is bigger than the density of working solution, powder precipitates at working liquid container extremely easily, therefore all designed towards the liquid rabbling mechanism in the liquid reserve tank of the powder-mixed dielectric fluid circulatory system, keep working solution to be in continuous flow regime, make powder keep at work suspending.One of other key technology will stop the process residues of larger particles to enter into machining area exactly, because the adding of powder, the filer element type filter type that conventional spark machined is used will be no longer suitable, be necessary for the special filter of powder-mixed dielectric fluid circulation system design.
In order to stop in the working solution thick powder or impurity particle to bring adverse effect to mixing the powder spark machined, the Mitsubishi Electric and the Sha Dike company of Japan, adopt two fuel tanks, one is used for carrying out conventional spark machined specially, and one is used for mixing the powder spark machined specially.Its deficiency is the floor space that has increased lathe, and conventional spark machined and the shared work tank of mixed branch spark machined cause the cross pollution of working solution easily in handoff procedure, also reduced working (machining) efficiency.The working fluid treatment process of Japan Polymide company adopts the on-line filtration of magnetic filter.Its weak point is: can only filter out the processing slag of magnetic, can not onlinely handle for non magnetic processing slag; And can not control the size of powder size diameter in the powder-mixed dielectric fluid; Online disposal ability is not high yet, with the size of disk diameter direct relation is arranged, and this has just limited its continuous service time.
Through the retrieval of prior art document is found, Chinese patent application number: 002042373.8, patent name: a kind of mixed powder spark machined liquid reserve tank.This patent readme is: solution feed pump is installed on the casing top end cover in the liquid reserve tank, bottom half is conical, at the vertex of a cone place drain line and stop valve are arranged, pass the casing center line and be welded in bottom half towards the liquid rabbling mechanism, seal towards liquid rabbling mechanism one end, the other end links to each other with choke valve, its both sides have a plurality of towards the liquid mouth, the powder-mixed dielectric fluid of solution feed pump output is divided into two-way through throttle valve control, one the road mixes the powder spark machined to work tank, another road carries out stirring towards liquid to working solution from the liquid mouth outflow of dashing towards the liquid rabbling mechanism to towards the liquid rabbling mechanism.Its weak point is: (a) since this invention dash center line and welding and the bottom half of liquid rabbling mechanism by casing, just limited the rotation of rabbling mechanism, only depend on towards fluid power the working solution in the liquid reserve tank is stirred, can not well play stirring action to some more serious place of deposition, and the uniformity that stirs also there is certain deficiency; (b) this invention is not carried out ON-LINE SEPARATION to the residue of larger particles in the process, only relies on its natural deposition, still can influence the stability of processing.
The utility model content
The purpose of this utility model is the deficiency that exists at prior art, and a kind of mixed powder spark machined liquid reserve tank is provided, and agitating device that employing machinery-fluid power combines and hydrocyclone are as the ON-LINE SEPARATION of processing slag.The sealing of the port of export one end of agitator, the other end links to each other with screw thread with liquid-dividing head, and the one-sided aperture that has is symmetrical distribution along the axis of casing; Hydrocyclone be a kind ofly utilize that centrifugal force field is separated, classification or concentrated separation equipment.Just belong to the exemplary particles hierarchical application and mix the processing of powder electric spark machining working solution, therefore, be fit to the separation equipment of hydrocyclone as process residues and larger-diameter powder particle.
The utility model is achieved by the following technical solution, the utility model comprises: drain tap, agitator, bottom valve, towards liquid pump, swivel joint, solution feed pump, triple valve, filter net cage, hydrocyclone, choke valve, casing, liquid-dividing head, wherein: be installed on the top end cover of casing towards liquid pump and solution feed pump, inlet place towards liquid pump and solution feed pump is equipped with bottom valve, the import of triple valve links to each other with the port of export of solution feed pump, outlet of triple valve and the import of swivel joint link to each other with outlet towards liquid pump, another outlet of triple valve links to each other with hydrocyclone, the outlet of hydrocyclone links to each other with choke valve, filtering net cage is placed on the top end cover of casing, bottom half is provided with drain tap, swivel joint is fixed on the housing plate, swivel joint links to each other with liquid-dividing head, agitator comprises four ports of export, each port of export one end sealing, the other end links to each other with liquid-dividing head, and a side of the port of export is provided with towards the liquid mouth.
Described hydrocyclone is fixed on the support of casing.
Be provided with first Pressure gauge between described triple valve and the hydrocyclone.
Described triple valve and towards being provided with second Pressure gauge between the liquid pump.
The central axis of described swivel joint and the central axis of casing coincide.
Described liquid-dividing head links to each other by the tapped steel pipe in two ends with swivel joint.
Described towards the liquid mouth, the downward inclination angle of its level is 10 °～15 °.
Described casing, its bottom is provided with castor.
Describedly be centrifugal pump towards liquid pump and solution feed pump.
During the utility model work, powder-mixed dielectric fluid towards liquid pump output arrives four ports of export through Pressure gauge, swivel joint, liquid-dividing head, and dashing liquid mouth high velocity jet and go out on four ports of export drives the agitator rotation, can also stir the powder of bottom half, evenly mix with working solution.The powder-mixed dielectric fluid of solution feed pump output reaches hydrocyclone behind triple valve, Pressure gauge, clean working solution is divided into two-way after hydroclone classification, separation, one the tunnel directly arrives work tank, and the powder-mixed dielectric fluid in the work tank is stirred, and one the tunnel reaches machining area through choke valve.
Compared with prior art, the utility model has the advantages that: adopt hydrocyclone to realize the ultra-fine separation of process residues in the working solution in (1) the utility model, overcome the filter core of conventional spark machined use and the deficiency of magnetic selection method; (2) further improved in the liquid reserve tank towards the liquid stirring system, the alr mode that adopts machinery-fluid power to combine has effectively improved the depositional phenomenon of powder, makes the uniformity of powder obtain improving significantly; (3) can provide fresh uniform powder-mixed dielectric fluid to the working region, by the unlatching of by-pass valve control, the control of dashing oil becomes simply, can regulate the oil pressure that dashes of working region easily; (4) only need to adopt a liquid reserve tank, and can onlinely remove the gred, thick, fine finishining does not need to change working solution, and is simple in structure, with low cost, compares with traditional working liquid container, can reduce cost 60%, and fitting operation is convenient.
Description of drawings
Fig. 1 is the utility model principle assumption diagram;
Fig. 2 is that the utility model is towards liquid rabbling mechanism fundamental diagram;
Fig. 3 is the utility model swivel joint schematic diagram;
Wherein: figure (a) is a sectional view, and figure (b) is a vertical view.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated: present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As Fig. 1,2, shown in 3, present embodiment comprises: drain tap 1, agitator 3, bottom valve 4, towards liquid pump 5, swivel joint 6, solution feed pump 8, triple valve 9, filter net cage 10, hydrocyclone 12, choke valve 13, casing 14, liquid-dividing head 16, wherein: be installed on the top end cover of casing 14 towards liquid pump 5 and solution feed pump 8, inlet place towards liquid pump 5 and solution feed pump 8 is equipped with bottom valve 4, the import of triple valve 9 links to each other with the outlet of solution feed pump 8, outlet of triple valve 9 and the import of swivel joint 6 link to each other with outlet towards liquid pump 5, another outlet of triple valve 9 links to each other with hydrocyclone 12, the outlet of hydrocyclone 12 and choke valve 13 link to each other by pipeline, filtering net cage 10 is placed on the top end cover of casing 14, casing 14 bottoms are provided with drain tap 1, swivel joint 6 is fixed on casing 14 end caps, swivel joint 6 links to each other with liquid-dividing head 16, agitator 3 comprises four ports of export 17, each port of export 17 1 ends sealing, the other end links to each other with liquid-dividing head 16, and a side of the port of export 17 is provided with towards liquid mouth 18.
Described hydrocyclone 12 is fixed on the support of casing 14.
Be provided with first Pressure gauge 11 between one of described triple valve 9 outlet and the hydrocyclone 12.
Outlet of described triple valve 9 and towards being provided with second Pressure gauge 7 between the liquid pump 5.
The central axis of the central axis of described swivel joint 6 and casing 14 coincides.
Described liquid-dividing head 16 links to each other by the tapped steel pipe 15 in two ends with swivel joint 6.
Described casing 14, its diameter are φ 900mm, highly are 650mm.
Described casing 14, its bottom is provided with castor 2.
Describedly be centrifugal pump towards liquid pump 5 and solution feed pump 8, its flow is 40L/min, and maximum working pressure (MWP) is 0.4MPa;
The eddy flow chamber internal diameter of described hydrocyclone 12 is 75mm, and influent stream mouth, overfall internal diameter are 25mm, and the separation accuracy grade is 15 μ m, inlet pressure 0.25～0.32MPa;
Described swivel joint 6 external diameters are 62mm, and inlet is the G1/2 internal thread, and liquid outlet is the G3/4 external screw thread.
Present embodiment work, when the stirring of working solution is carried out in start, open simultaneously towards liquid pump 5 and solution feed pump 8, make triple valve 9 be in the position that the logical A-C of A-B ends, utilize the flow of two pumps like this, working solution is through first Pressure gauge 11, second Pressure gauge 7, swivel joint 6, liquid-dividing head 16 arrives four ports of export 17 of agitator, by penetrating at a high speed towards liquid mouth 18, drive agitator 3 rotations that are connected by screw thread with liquid-dividing head 16, swivel joint 6 and the liquid-dividing head 16 that links to each other by the tapped steel pipe 15 in two ends with it also and then rotate, can stir the powder of casing 14 bottoms, evenly mix with working solution, for guaranteeing that 3 pairs of bottom halves of agitator have higher scouring capability, should tilt 10 °～15 ° downwards towards liquid mouth 18 levels.
To be mixed evenly after, make triple valve 9 be in the position that the logical A-B of A-C ends, and the size that can regulate port regulates the inlet pressure of hydrocyclone 12, make it in the duty of the best, have only towards 5 stirring actions of liquid pump this moment.After having the working solution process hydrocyclone 12 of processing slag, because the classification centrifugation of hydrocyclone 12, the processing slag comes out from the underflow opening of hydrocyclone 12, and behind the net cage 10, clean working solution returns in the casing 14 after filtration.The direct working solution that comes out from hydrocyclone 12 overfalls, be exactly that concentration is not uniformly with the powder-mixed dielectric fluid of processing slag, a part stirs by the powder-mixed dielectric fluid that dashes in 18 pairs of work tanks of liquid mouth of agitator 3, prevents the precipitation of powder in work tank; A part is washed by the machining area of 13 pairs of workpiece of choke valve, not only can wash out the residue of finished surface but also can provide fresh working solution to machining area, by the hydraulic coupling of dashing that the unlatching size of control valve can be regulated the workpiece working region easily, reach the desirable liquid effect of dashing.
When carrying out conventional electrical spark working man-hour, do not open towards liquid pump 5 and stir, only open solution feed pump 8, can make that powder concn is in very low level in the working solution of outflow.Still can filter out thick processing slag in the working solution by hydrocyclone 12 this moment, and all processing slags all in filtering net cage 10, can once clean after processing, filter capacity strong and also clean convenient.Open drain tap 1 and can change working solution easily.The installation of castor 2 can move to suitable position to this liquid reserve tank easily, has saved manpower.
Present embodiment starts when stirring simultaneously at solution feed pump with towards liquid pump, powder is mixed in working solution, the no powder precipitation in liquid reserve tank bottom, the residue that no longer contains the coarsegrain diameter in the working solution after hydrocyclone filters, this benefits to keeping mixed powder stability of EDM, raising crudy, compare with traditional working liquid container simultaneously, can reduce cost 60%, and fitting operation is convenient.
Claims (9)
1, a kind of mixed powder spark machined liquid reserve tank, comprise: casing, drain tap, towards liquid pump, solution feed pump, it is characterized in that, also comprise: agitator, bottom valve, swivel joint, triple valve, filter net cage, hydrocyclone, choke valve, liquid-dividing head, wherein: be installed on the top end cover of casing towards liquid pump and solution feed pump, inlet place towards liquid pump and solution feed pump is equipped with bottom valve, the import of triple valve links to each other with the feed flow delivery side of pump, outlet of triple valve and the import of swivel joint link to each other with outlet towards liquid pump, another outlet of triple valve links to each other with hydrocyclone, the outlet of hydrocyclone links to each other with choke valve, filtering net cage is placed on the top end cover of casing, bottom half is provided with drain tap, and swivel joint is fixed on the housing plate, and swivel joint links to each other with liquid-dividing head, agitator comprises four ports of export, each port of export one end sealing, the other end links to each other with liquid-dividing head, and a side of the port of export is provided with towards the liquid mouth.
2, mixed powder spark machined liquid reserve tank according to claim 1 is characterized in that, is provided with first Pressure gauge between described triple valve and the hydrocyclone.
3, mixed powder spark machined liquid reserve tank according to claim 1 and 2 is characterized in that, described triple valve and towards being provided with second Pressure gauge between the liquid pump.
4, mixed powder spark machined liquid reserve tank according to claim 1 is characterized in that the central axis of described swivel joint and the central axis of casing coincide.
5, according to claim 1 or 4 described mixed powder spark machined liquid reserve tanks, it is characterized in that, described casing, its bottom is provided with castor.
6, mixed powder spark machined liquid reserve tank according to claim 1 is characterized in that, described liquid-dividing head links to each other by the tapped steel pipe in two ends with swivel joint.
7, mixed powder spark machined liquid reserve tank according to claim 1 is characterized in that, describedly is centrifugal pump towards liquid pump and solution feed pump.
8, mixed powder spark machined liquid reserve tank according to claim 1 is characterized in that, and is described towards the liquid mouth, and the downward inclination angle of its level is 10 °～15 °.
9, mixed powder spark machined liquid reserve tank according to claim 1 is characterized in that described hydrocyclone is fixed on the support of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200559595U CN201157941Y (en) | 2008-03-06 | 2008-03-06 | Liquid storage tank for mixed powder electric spark machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200559595U CN201157941Y (en) | 2008-03-06 | 2008-03-06 | Liquid storage tank for mixed powder electric spark machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201157941Y true CN201157941Y (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200559595U Expired - Fee Related CN201157941Y (en) | 2008-03-06 | 2008-03-06 | Liquid storage tank for mixed powder electric spark machining |
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| Country | Link |
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| CN (1) | CN201157941Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829818A (en) * | 2010-04-14 | 2010-09-15 | 东莞盈拓科技实业有限公司 | Fluid storage tank for automatically switching machining fluids |
| CN108340031A (en) * | 2018-04-27 | 2018-07-31 | 南通国盛智能科技集团股份有限公司 | A kind of multi-shaft interlocked spark-erosion sinking machine of precision |
| CN111761150A (en) * | 2020-08-13 | 2020-10-13 | 江苏江航智飞机发动机部件研究院有限公司 | Workbench of electric spark cutting machine tool |
-
2008
- 2008-03-06 CN CNU2008200559595U patent/CN201157941Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829818A (en) * | 2010-04-14 | 2010-09-15 | 东莞盈拓科技实业有限公司 | Fluid storage tank for automatically switching machining fluids |
| CN108340031A (en) * | 2018-04-27 | 2018-07-31 | 南通国盛智能科技集团股份有限公司 | A kind of multi-shaft interlocked spark-erosion sinking machine of precision |
| CN111761150A (en) * | 2020-08-13 | 2020-10-13 | 江苏江航智飞机发动机部件研究院有限公司 | Workbench of electric spark cutting machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 Termination date: 20160306 |