CN206794961U - A kind of die cavity electrolytic machining device - Google Patents
A kind of die cavity electrolytic machining device Download PDFInfo
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- CN206794961U CN206794961U CN201720486478.9U CN201720486478U CN206794961U CN 206794961 U CN206794961 U CN 206794961U CN 201720486478 U CN201720486478 U CN 201720486478U CN 206794961 U CN206794961 U CN 206794961U
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- collets
- cathode sheets
- upper strata
- die cavity
- processing
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Abstract
The utility model provides a kind of die cavity electrolytic machining device, and outer cover sealing is located in workpieces processing, and electrolyte flows into from the top of outer cover, and the roughing hole flowed through in workpieces processing is flowed out from the outlet of shield base；The cathode sheets of upper strata collets and sheet, which cooperate, fixes, and electrolyte flows through performs etching processing to workpieces processing between cathode sheets and workpieces processing.Feed arrangement is fixedly connected on upper strata collets, and feed arrangement drives the cathode sheets of upper strata collets and sheet to be moved along its axis to the roughing hole in workpieces processing, etches die cavity holes.As a result of the negative electrode processing mode of sheet, the bottom surface of cathode sheets contacts with workpieces processing, etches cavity, and with the propulsion of processing, the influence of the sides of cathode sheets to workpieces processing can be neglected.It further, since the top of cathode sheets is upper strata collets, therefore will not react with workpieces processing, only be reacted by the cathode sheets of sheet, no matter which position is cathode sheets be worked into, and flow field remains stable.
Description
Technical field
Machining technology field is the utility model is related to, further relates to a kind of die cavity electrolytic machining device.
Background technology
In recent years, it is machined towards the direction complicated, difficulty is big and develops, the required precision of part is high, material hard
Degree is high, and for the die cavity of some integrated members, the processing accessibility in type face is very poor, and thin-wall member is more, using routine
Machining mode is easily deformed.Electrolyzed Processing is not limited by rapidoprint mechanical property itself, available for processed complex type
The part in face；And the efficiency high processed, the surface quality of workpiece is good, can obtain relatively low rough surface value.In electrolytic process
In, negative electrode is not lost in theory, can be long-term use of.Therefore Numeric Control Technology and electrochemical Machining Technology are be combined with each other, can be with
Avoid the appearance of machining deformation.
In electrochemical machining process, the flow field of electrolyte be directly connected to the height of Electrolyzed Processing precision, surface quality it is good
It is bad, or even determine that Electrolyzed Processing can be stablized and carry out.Rational flow Field Design is the smooth basis of Electrolyzed Processing.
The liquid form of electrolyte refer to electrolyte flow direction processing gap, flow through and flow out process gap flow path,
The geometric description of flow direction.According to the difference of electrolyte flow form, Electrolyzed Processing is divided into lateral flow and forward flow, footpath
It is divided into two kinds of orthoflow and reflux formula again to flowing, therefore electrolyte flow form can be divided into lateral flow type, orthoflow and reflux formula three
Kind.
As shown in Figure 1A to Fig. 1 C, lateral flow type, the schematic diagram of three kinds of Electrolyzed Processings of orthoflow and reflux formula are represented respectively, its
In 01 be tool cathode, 02 is workpiece anode, and arrow represents the flow direction of electrolyte.The electrolyte of lateral flow type is from tool cathode
Side flow to opposite side, workpiece anode is performed etching, the cross-sectional area of lateral flow type processing gap inner flow passage is along electrolyte
Flow direction is held essentially constant, and is adapted to blade processing, if being used for processing cavity, electrolyte easily flows out processing from the gap of side
Region, with the increase of processing concentration, this trend increases therewith, causes bottom surface processing gap electrolyte inside deficiency, easily occurs
Short circuit；And lateral flow type jig Design is complicated.The electrolyte of orthoflow flows downward from the tool cathode of centre insertion, and passes through
Gap between workpiece anode is spread to surrounding, and orthoflow jig Design is simple to manufacture, but machining accuracy is low.Reflux formula
Electrolyte and orthoflow electrolyte flow are in opposite direction, and the gap being electrolysed between tool cathode and workpiece anode flows up,
And flowed out from the passage among tool cathode, using reflux formula processing cavity, although Flow Field Distribution controllability is good, fixture is set
Meter manufacture is complicated, is not suitable for the roughing of die cavity.
Therefore, a kind of electrolytic machining device that retrofit is carried out to rough machined die cavity how is designed, is to need at present
The technical problem of solution.
Utility model content
The utility model provides a kind of die cavity electrolytic machining device, can carry out fine design to rough machined die cavity,
The flow field of process electrolyte is always consistent, and concrete scheme is as follows：
A kind of die cavity electrolytic machining device, including：
Sealing is located at the outer cover in workpieces processing, and electrolyte flows into from the top of the outer cover, flows through the processing work
Flowed out from the outlet of the shield base in roughing hole on part；
The cathode sheets for fixed upper strata collets and the sheet of cooperating；
The feed arrangement of the upper strata collets is fixedly connected on, the feed arrangement drives the upper strata collets and institute
The cathode sheets for stating sheet move to the roughing hole in the workpieces processing.
Alternatively, in addition to the upper strata collets lower floor's collets of fixed setting are coordinated, the cathode sheets clamp
Between the upper strata collets and lower floor's collets；The upper strata collets and the appearance and size phase of the cathode sheets
Together, lower floor's collets are identical with the profile of the cathode sheets, and size is less than the cathode sheets.
Alternatively, the outer cover includes upper shell and lower house, and the upper shell is the housing of bottom insertion, and top opens up
The inlet entered for electrolyte, the lower house is plate-like, and going out for electrolyte outflow is opened up on the lower house
Liquid mouth.
Alternatively, the feed arrangement includes the connecting pole being threadedly coupled with the upper strata collets, and the connecting pole leads to
The power set for crossing top drive vertical motion；The top surface center of the upper shell is opened up for stretching into the logical of the connecting pole
Hole.
Alternatively, the connecting pole is threadedly coupled the upper strata collets and lower floor's collets, the connecting pole energy
Enough conductions simultaneously contact with the cathode sheets.
Alternatively, the upper surface of the lower house is provided for supporting the support block of the workpieces processing.
Alternatively, the fixing bolts of the upper strata collets and lower floor's collets, the fixed spiral shell are connected in addition to
Bolt is arranged at the both sides of the connecting pole.
The utility model provides a kind of die cavity electrolytic machining device, including outer cover, upper strata collets, cathode sheets, feeding dress
The structure such as put；Outer cover sealing is located in workpieces processing, electrolyte is play a part of to be oriented to, electrolyte flows from the top of outer cover
Enter, the roughing hole flowed through in workpieces processing is flowed out from the outlet of shield base；The cathode sheets of upper strata collets and sheet are mutual
Coordinate and fix, the shape of cathode sheets is identical with shape of through holes to be processed, and electrolyte is flowed through between cathode sheets and workpieces processing
Processing is performed etching to workpieces processing.Feed arrangement is fixedly connected on upper strata collets, feed arrangement drive upper strata collets and
The cathode sheets of sheet move along its axis to the roughing hole in workpieces processing, etch die cavity holes.
As a result of the negative electrode processing mode of sheet, the bottom surface of cathode sheets contacts with workpieces processing, etches cavity, with
The propulsion of processing, the influence of the sides of cathode sheets to workpieces processing can be neglected, relative to traditional processing mode, negative electrode
Side will not to processing interfere, can to rough machined die cavity carry out fine design.Further, since cathode sheets is upper
Side be upper strata collets, therefore will not be reacted with workpieces processing, only by the cathode sheets reaction of sheet, therefore no matter cathode sheets
Which position is worked into, flow field remains stable.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Figure 1A is the schematic diagram of lateral flow type Electrolyzed Processing；
Figure 1B is the schematic diagram of orthoflow Electrolyzed Processing；
Fig. 1 C are the schematic diagram of reflux formula Electrolyzed Processing；
Fig. 2A is the explosive view of die cavity electrolytic machining device provided by the utility model；
Fig. 2 B are the overall structure figure of die cavity electrolytic machining device provided by the utility model；
Fig. 3 A are that the application die cavity electrolytic machining device is starting the electrolyte flow field state schematic diagram of processing；
Fig. 3 B are the electrolyte flow field state schematic diagram in the application die cavity electrolytic machining device process；
Fig. 4 is the longitudinal profile structure diagram of the application die cavity electrolytic machining device.
Including：
Outer cover 1, upper shell 11, lower house 12, inlet 13, liquid outlet 14, support block 15, workpieces processing 2, feed arrangement
3rd, upper strata collets 4, lower floor's collets 5, cathode sheets 6, fixing bolt 7.
Embodiment
Core of the present utility model is to provide a kind of die cavity electrolytic machining device, rough machined die cavity can carried out smart
Refinement processing, the flow field of process electrolyte are always consistent.
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with accompanying drawing and
Specific embodiment, explanation is described in detail to the die cavity electrolytic machining device of the application.
As shown in Figure 2 A and 2 B, the explosive view of die cavity electrolytic machining device respectively provided by the utility model and assembling
The overall structure figure of completion.The device includes the structures, wherein outer cover such as outer cover 1, upper strata collets 4, cathode sheets 6, feed arrangement 3
1 sealing is located in workpieces processing 2, for spacing and guiding electrolyte, the passage of flowing is provided for electrolyte, prevents electrolyte
Arbitrarily flowing, electrolyte flow into from the top of outer cover 1, flow through the roughing hole in workpieces processing 2, then going out from the bottom of outer cover 1
Mouth outflow；Cathode sheets 6 are set in the outer cover 1, and cathode sheets 6 and upper strata collets 4 interfix cooperation, and cathode sheets 6 are located at upper strata
The lower surface of collets 4, in processing, cathode sheets 6 are close to workpieces processing 2, and electrolyte is between cathode sheets 6 and workpieces processing 2
Flowed through in gap, cathode sheets 6 connect the negative pole of power supply, and cell reaction occurs with workpieces processing 2 when electrolyte flows through, will process work
Unnecessary partial electrolyte on part 2, the direction of motion of cathode sheets 6 is vertical with its plate face, therefore the cavity cross section etched and the moon
The profile of pole piece 6 is identical；The shape of cathode sheets 6 manufactures according to cavity geometry to be processed.
Feed arrangement 3 is fixedly connected on upper strata collets 4, drives upper strata collets 4 to move.Feed arrangement 3 during work
The cathode sheets 6 of upper strata collets 4 and sheet are driven synchronously to move downward, the direction of motion and the roughing hole in workpieces processing 2
It is axially identical, certainly, cathode sheets 6 can be made to make the movement of particular path if necessary.
Negative electrode is in the form of a column in traditional processing mode, except electrolysis occurs for bottom surface, the side wall of cathode column also can with
The cavity wall of processing interacts, so as to influence the precision of cavity；The negative electrode of column is with the increase meeting of cavity depth
Change the flow field state of electrolyte, can also influence the precision of processing.Cathode sheets 6 provided herein are flake, are being processed
When by bottom surface contact generation electrolysis with workpieces processing 2, etch cavity, with the intensification of process chamber, cathode sheets 6 are to
The influence of processed part can be neglected；And the processed part of cavity is close to upper strata insulating trip 4, therefore will not send out
Raw cell reaction.
As shown in Figure 3 A and Figure 3 B, respectively the application die cavity electrolytic machining device is in processing and process is started
Electrolyte flow field state schematic diagram.Electrolyte flows from the top down, and the top of cathode sheets is upper strata collets, not with processing work
Part reacts, and is only reacted by the cathode sheets of sheet, therefore no matter which position is cathode sheets be worked into, and flow field remains steady
It is fixed, fine design is carried out to rough machined die cavity.
As shown in figure 4, be the longitudinal profile structure diagram of the application die cavity electrolytic machining device, the die cavity Electrolyzed Processing of the application
Device also includes the lower floor's collets 5 for coordinating fixed setting with upper strata collets 4, and cathode sheets 6 are clipped on upper strata collets 4 with
Between layer collets 5.Upper strata collets 4 are identical with the profile and size of cathode sheets 6, and cathode sheets 6 are played a supportive role, avoided
Cathode sheets 6 deform during moving down, and lower floor's collets 5 are identical with the profile of cathode sheets 6, and size is less than cathode sheets 6, negative electrode
Expose to participate in cell reaction at the edge of piece 6.The size of lower floor's collets 5 should be slightly less than the size in roughing hole, make cathode sheets
Edge of the EDGE CONTACT of lower surface to roughing hole in workpieces processing 2.
Preferably, the outer cover 1 in the application includes upper shell 11 and lower house 12, and upper shell 11 is the housing of bottom insertion
Structure, the cavity of inner hollow is surrounded by side and top surface, and bottom coordinates clamping sealing with lower house 12.On the top of upper shell 11
Portion opens up inlet 13, and two inlets 13 are set in accompanying drawing, the space entered for electrolyte inside upper shell 11, lower house
12 is plate-like, and the liquid outlet 14 for electrolyte outflow is opened up on lower house 12.In order to prevent electrolyte from flowing everywhere, accompanying drawing
Shown in structure sealing is contacted with workpieces processing 2 for the inwall of upper shell 11, electrolyte is only capable of flowing downward out from roughing hole,
Certainly, if the volume of workpieces processing is larger, or shape matching is complicated, can be close to upper shell 11 and lower house 12 respectively
The upper and lower surface of workpieces processing, and keep sealing.Upper shell 11 and the shape of lower house 12 and the form fit system of workpieces processing
Make, ensure the sealed connection with workpieces processing.
Feed arrangement 3 includes the connecting pole being threadedly coupled with upper strata collets 4, and external screw thread is set in the bottom of connecting pole,
It can be inserted into the screwed hole that upper strata collets 4 open up, the top of connecting pole sets power set, is acted by power set band
Vertical motion, power set are not shown in the accompanying drawings.The through hole for stretching into connecting pole is opened up in the top surface center of upper shell 11,
Power set are located at outside upper shell 11.
Further, connecting pole threaded connection upper strata collets 4 and lower floor's collets 5, that is to say, that upper strata collets 4
On screw thread also penetrate setting, and corresponding position is also provided with screwed hole on lower floor's collets 5 and cathode sheets 6, connection
The stud of column bottom sequentially passes through upper strata collets 4, cathode sheets 6 and lower floor's collets 5, and three is connected simultaneously；Connecting pole by
Conductive material is made, and cathode sheets 6 are connected to the negative electrode of power supply by connecting pole.
For the ease of electrolyte flow, it is provided for supporting the support block 15 of workpieces processing 2 in the upper surface of lower house 12,
Support block 15 is in strip, and respectively positioned at the both sides in roughing hole, workpieces processing 2 is propped, and is made under workpieces processing 2 and lower section
Certain gap is formed between housing 12, avoids the motion to cathode sheets 6 and lower floor's collets 5 from interfering.Liquid outlet 14
In the underface in roughing hole, the liquid flowed down can discharge directly down.
The utility model also includes the fixing bolt 7 of connection upper strata collets 4 and lower floor's collets 5, and fixing bolt 7 is set
In the both sides of connecting pole, upper strata collets 4 are fixedly connected with lower floor collets 5, pass through being total to for fixing bolt 7 and connecting pole
Same-action, upper strata collets 4 and lower floor's collets 5 are more closely attached fixation.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice, can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (7)
- A kind of 1. die cavity electrolytic machining device, it is characterised in that including：Sealing is located at the outer cover (1) in workpieces processing (2), and electrolyte flows into from the top of the outer cover (1), flows through described add Flowed out from the outlet of the outer cover (1) bottom in roughing hole on work workpiece (2)；The cathode sheets (6) for fixed upper strata collets (4) and the sheet of cooperating；The feed arrangement (3) of the upper strata collets (4) is fixedly connected on, the feed arrangement (3) drives the upper strata insulation The cathode sheets (6) of block (4) and the sheet move to the roughing hole in the workpieces processing (2).
- 2. die cavity electrolytic machining device according to claim 1, it is characterised in that also include and the upper strata collets (4) lower floor's collets (5) of fixed setting are coordinated, the cathode sheets (6) are clipped on the upper strata collets (4) and the lower floor Between collets (5)；The upper strata collets (4) are identical with the appearance and size of the cathode sheets (6), lower floor's collets (5) identical with the profile of the cathode sheets (6), size is less than the cathode sheets (6).
- 3. die cavity electrolytic machining device according to claim 2, it is characterised in that the outer cover (1) includes upper shell (11) and lower house (12), the upper shell (11) are the housing of bottom insertion, and top opens up the feed liquor entered for electrolyte Mouth (13), the lower house (12) is plate-like, and the liquid outlet (14) for electrolyte outflow is opened up on the lower house (12).
- 4. die cavity electrolytic machining device according to claim 3, it is characterised in that the feed arrangement (3) includes and institute The connecting pole of upper strata collets (4) threaded connection is stated, the connecting pole drives vertically movable by the power set at top；It is described The top surface center of upper shell (11) opens up the through hole for stretching into the connecting pole.
- 5. die cavity electrolytic machining device according to claim 4, it is characterised in that on the connecting pole threaded connection is described Layer collets (4) and lower floor's collets (5), the connecting pole can be conductive and contacted with the cathode sheets.
- 6. die cavity electrolytic machining device according to claim 5, it is characterised in that the upper surface of the lower house (12) is set Put the support block (15) for supporting the workpieces processing (2).
- 7. die cavity electrolytic machining device according to claim 6, it is characterised in that also include connecting the upper strata collets (4) and lower floor's collets (5) fixing bolt (7), the fixing bolt (7) is arranged at the both sides of the connecting pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486478.9U CN206794961U (en) | 2017-05-03 | 2017-05-03 | A kind of die cavity electrolytic machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486478.9U CN206794961U (en) | 2017-05-03 | 2017-05-03 | A kind of die cavity electrolytic machining device |
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| Publication Number | Publication Date |
|---|---|
| CN206794961U true CN206794961U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720486478.9U Withdrawn - After Issue CN206794961U (en) | 2017-05-03 | 2017-05-03 | A kind of die cavity electrolytic machining device |
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| CN (1) | CN206794961U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925850A (en) * | 2017-05-03 | 2017-07-07 | 广东工业大学 | A kind of die cavity electrolytic machining device |
| CN111037013A (en) * | 2019-12-06 | 2020-04-21 | 西安铂力特增材技术股份有限公司 | Electrolytic machining device for internal hole structure part |
| CN112091338A (en) * | 2020-08-26 | 2020-12-18 | 南京航空航天大学 | Combined type electrochemical machining tool cathode and method for improving flatness of machined bottom surface |
-
2017
- 2017-05-03 CN CN201720486478.9U patent/CN206794961U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925850A (en) * | 2017-05-03 | 2017-07-07 | 广东工业大学 | A kind of die cavity electrolytic machining device |
| CN106925850B (en) * | 2017-05-03 | 2019-01-01 | 广东工业大学 | A kind of type chamber electrolytic machining device |
| CN111037013A (en) * | 2019-12-06 | 2020-04-21 | 西安铂力特增材技术股份有限公司 | Electrolytic machining device for internal hole structure part |
| CN112091338A (en) * | 2020-08-26 | 2020-12-18 | 南京航空航天大学 | Combined type electrochemical machining tool cathode and method for improving flatness of machined bottom surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171226 Effective date of abandoning: 20190101 |