CN209062300U - A kind of Wire EDM second-level tension control device - Google Patents
A kind of Wire EDM second-level tension control device Download PDFInfo
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- CN209062300U CN209062300U CN201821767280.9U CN201821767280U CN209062300U CN 209062300 U CN209062300 U CN 209062300U CN 201821767280 U CN201821767280 U CN 201821767280U CN 209062300 U CN209062300 U CN 209062300U
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Abstract
The utility model relates to a kind of Wire EDM second-level tension control devices, wire storage cylinder including being sequentially connected in series and constituting closure wire transporting circuit, weight tensile members, First Line arm and the second line arm, the First Line arm and the second line arm configuration are identical, and it is symmetrically disposed on the both ends of the weight tensile members, the identical first spring tension component of structure and second spring tensile members are respectively equipped on the First Line arm and the second line arm, the First Line arm is connect by the first spring tension component with the weight tensile members, the second line arm is connect by second spring tensile members with the weight tensile members.Compared with prior art, the utility model has many advantages, such as no screws loosing at single side, processing quality and precision height and wire electrode long service life.
Description
Technical field
The utility model relates to Wire-cut Electrical Discharge Machining apparatus fields, more particularly, to a kind of Wire EDM second level
Tenslator.
Background technique
In high speed to-and-fro thread feed electric spark line cutting processing, on the one hand, wire electrode is in the high temperature shape of spark discharge
State, the extension that can be heated, loss attenuate, so continuity of the wire electrode with process time, can extend and become loose；Another party
Face, wire electrode carry out positive and negative rotation wire under wire storage cylinder drive, and into after processing after a period of time, wire electrode will be gradually in steel wire storage
Occur the tight phenomenon in one end pine one end on cylinder, is commonly called as " screws loosing at single side " phenomenon, and the tension of wire electrode is to influence wire electrode space
The problem of one key factor of position, tension variation, affects the stability of machine tooling performance to a certain extent.
Currently, it is domestic have for the wire electrode constant tensile control mechanism of high speed to-and-fro thread feed electric spark wire-electrode cutting machine it is more
Kind, mostly with unilateral Weight type constant tension mechanism, the two-way constant tensile control mechanism of Weight type and spring constant tension mechanism etc., still
These types of wire electrode constant tensile control mechanism all has certain defect.Deficiency existing for unilateral Weight type constant tension mechanism is single
Side is tensioned wire electrode, and movement wire system has moment impact load in forward and reverse switching, and tension is uneven, to generate screws loosing at single side
Failure or fracture of wire influence cut quality, and tension mechanism stroke is shorter, and it is more to shut down number of resets.The two-way identical tension of Weight type
Two tensioning guide wheels of mechanism can solve screws loosing at single side problem in symmetrical, it can be achieved that bilateral be tensioned simultaneously up and down；But by
Machine tool structure limitation, installation dimension is bigger than normal, and versatility is not strong, and there are still moment impact loads in forward and reverse switching for movement wire system
Lotus, guide wheel quantity is more, wire electrode quick abrasion, and processing and manufacturing is more demanding, and auxiliary link is more, and the cost is relatively high.Spring
Constant tensile control mechanism applicability is wide, it can be achieved that bilateral while tensioning function.However spring energy-storage stroke is small, due to tensile energy
From the elastic force of spring, by the combined influence for using time and environmental factor, the elastic deformation amount of spring and yield force also with
Change, the tensile force of generation is uneven, occurs that unusual fluctuation is unstable or moment trapping phenomena so as to cause tensioning sliding block, draws
Send out screws loosing at single side；In addition, tensioning suspension support of the sliding block by guide rod in mechanism is also easy to produce when sliding block is moved to left end
It shakes or swings, tensioning wheel is caused to be beated, to folded silk failure occur.
Utility model content
The purpose of this utility model is exactly to provide a kind of wire electric discharge to overcome the problems of the above-mentioned prior art
Cut second-level tension control device.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of Wire EDM second-level tension control device, including being sequentially connected in series and constituting closure wire transporting circuit
Wire storage cylinder, weight tensile members, First Line arm and the second line arm, the First Line arm and the second line arm configuration are identical, and symmetrical
The both ends of the weight tensile members are set to, identical first bullet of structure is respectively equipped on the First Line arm and the second line arm
Spring tensile members and second spring tensile members, the First Line arm pass through the first spring tension component and the weight
The connection of power component, the second line arm are connect by second spring tensile members with the weight tensile members.
Preferably, the first spring tension component include spring assembly bottom plate, hold-down support, guide rod, extension spring,
Mobile sliding block, the first tensioning guide wheel, latch hook and compressed spring, the guide rod are fixed on spring assembly bottom plate by hold-down support
Top, the extension spring and compressed spring cover at the both ends of guide rod, and the mobile sliding block is set on guide rod and difference
It is connect with extension spring and compressed spring, the latch hook is set to the side of mobile sliding block, for that will move sliding block and guide rod
Locking, first tensioning wheel are set on mobile sliding block, pass through respectively with weight tensile members and First Line arm at work
Wire electrode series connection.
Preferably, capstan is additionally provided on the First Line arm, the capstan and the first spring tension component distinguish position
In the both ends of First Line arm, at work, the capstan passes through electrode with the first spring tension component and the second line arm respectively
Silk series connection.
Preferably, the capstan and the first tensioning guide wheel are set in same horizontal line.
Preferably, the weight tensile members include the second tensioning guide wheel, fixed pin, mobile support plate, slide rail, lead
Rail sliding block and weight unit, the slide rail are set between First Line arm and the second line arm, and respectively with First Line arm and
Second line arm is parallel, and the guide rail slide block is set on slide rail, and both ends are connect with fixed pin and weight unit respectively, described
Mobile support plate is connect by guide rail slide block with slide rail, and the quantity of the second tensioning guide wheel is two, is symmetrically disposed on
The both ends of mobile support plate, are connected with wire storage cylinder, First Line arm and the second line arm by wire electrode respectively at work.
Preferably, the weight unit includes fixed pulley, rope and weight, the first end and movement support plate of the rope
Connection, second end connect around fixed pulley with weight.
Preferably, the moving range of the weight is 0~300mm.
Preferably, the slide rail includes linear motor rolling guide or linear motion guide.
Preferably, the shape of the slide rail includes rectangle, triangle, swallow-tail form or cylinder.
Preferably, displacement distance scope of the guide rail slide block on slide rail is 0~300mm.
Compared with prior art, the utility model has the advantage that
1) the utility model proposes Wire EDM second-level tension control device, using spring tension component to electrode
Silk carries out microcosmic regulation, eliminates the moment impact load generated when the forward and reverse switching of wire electrode；Using weight tensile members to electricity
Polar filament carries out macro adjustments and controls, realizes identical tension and the stable operation of wire electrode, effectively overcomes spring constant tensile control mechanism row
Wire transporting wild effect caused by journey is short, spring force changes guarantees fortune so that spring effective elasticity deformation range is controlled
Silk is stablized, and the service life of wire electrode is increased；Overall structure is easy simultaneously, and processing and manufacturing difficulty is small, and counterweight is constant, opens to stablizing
Power has certain effect, and at low cost, is easily installed, operation and maintenance.
2) spring tensile members can be used as a separate feature production, form auxiliary products and standard accessory, knot
Structure is simple and compact, and versatility and interchangeability are strong, and applicability is wide, convenient for installation and maintenance, can use individually or in groups, realizes bilateral same
When tensioning function.
3) guiding parts of weight tensile members uses linear motor rolling guide, and reaction sensitivity is high, and frictional resistance is small,
Linear motion property and dynamic response are good, two second tensioning guide wheels in upper and lower symmetrical, it can be achieved that bilateral be tensioned simultaneously, counterweight
Constant, tension stability, environmental impact factor is few, solves the problems, such as screws loosing at single side, can satisfy Wire EDM and repeatedly cuts
The consistency of workpiece.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model Wire EDM second-level tension control device；
Wherein, 1 is wire storage cylinder, and 2 be spring assembly bottom plate, and 3 be guide rod, and 4 be hold-down support, and 5 be extension spring, and 6 are
Mobile sliding block, 7 be the first tensioning guide wheel, and 8 be latch hook, and 9 be compressed spring, and 10 be wire electrode, and 11 be First Line arm, and 12 be leading
Wheel, 13 be the second line arm, and 14 be the second tensioning guide wheel, and 15 be fixed pin, and 16 be mobile support plate, and 17 be slide rail, and 18 are
Fixed pulley, 19 be rope, and 20 be weight, and 21 be guide rail slide block.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
As shown in Figure 1, for a kind of Wire EDM second-level tension control device that the present embodiment proposes, including successively go here and there
Connection connects wire storage cylinder 1, weight tensile members, First Line arm 11 and the second line arm 13 for simultaneously constituting closure wire transporting circuit, and described the
One line arm 11 is identical with 13 structure of the second line arm, and is symmetrically disposed on the both ends of the weight tensile members, 11 He of First Line arm
The identical first spring tension component of structure and second spring tensile members are respectively equipped on second line arm 13, First Line arm 11 is logical
It crosses the first spring tension component to connect with weight tensile members, the second line arm 13 passes through second spring tensile members and weight tension
Component connection.
Wherein, the first spring tension component includes spring assembly bottom plate 2, hold-down support 4, guide rod 3, extension spring 5, moves
Movable slider 6, first is tensioned guide wheel 7, latch hook 8 and compressed spring 9, and guide rod 3 is fixed on spring assembly bottom plate by hold-down support 4
2 tops, extension spring 5 and 9 sets of the compressed spring both ends in guide rod 3, mobile sliding block 6 be set on guide rod 3 and respectively with
Extension spring 5 and compressed spring 9 connect, and latch hook 8 is set to the side of mobile sliding block 6, for that will move sliding block 6 and guide rod 3
Locking, the first tensioning wheel are set on mobile sliding block 6, pass through electricity with weight tensile members and First Line arm 11 respectively at work
Polar filament 10 is connected.Capstan 12 is additionally provided on First Line arm 11, capstan 12 and the first spring tension component are located at first
The both ends of line arm 11, at work, capstan 12 pass through wire electrode 10 with the first spring tension component and the second line arm 13 respectively
Series connection, similarly, also is provided with corresponding capstan 12, as can be seen from the figure at the symmetric position of the second line arm 13.The present embodiment
In, in order to guarantee the stability of work, capstan 12 and the first tensioning guide wheel 7 are set in same horizontal line.
And weight tensile members include the second tensioning guide wheel 14, fixed pin 15, mobile support plate 16, slide rail 17, lead
Rail sliding block 21 and weight unit, slide rail 17 are set between First Line arm 11 and the second line arm 13, and respectively with First Line
Arm 11 is parallel with the second line arm 13, and guide rail slide block 21 is set on slide rail 17, both ends respectively with fixed pin 15 and weight list
Member connection, mobile support plate 16 are connect by guide rail slide block 21 with slide rail 17, and the quantity of the second tensioning guide wheel 14 is two,
The both ends of mobile support plate 16 are symmetrically disposed on, are passed through respectively with wire storage cylinder 1, First Line arm 11 and the second line arm 13 at work
Wire electrode 10 is connected.Weight unit includes fixed pulley 18, rope 19 and weight 20, the first end and movement support plate 16 of rope 19
Connection, second end connect around fixed pulley 18 with weight 20.At work, weight 20 is vertical under the effect of gravity by rope 19
Mobile, moving range is 0~300mm, therefore guide rail slide block 21 is driven to slide on slide rail 17, sliding scale is also 0~
300mm.17 type of slide rail in the present embodiment mainly includes linear motor rolling guide or linear motion guide, is slided simultaneously
The shape of dynamic guide rail 17 mainly includes rectangle, triangle, swallow-tail form or cylinder, and the type and shape of slide rail 17 are not limited to
In above-mentioned several, in application process, selected according to the actual situation.
Based on above structure, in the present embodiment, the working principle and process of Wire EDM second-level tension control device be such as
Under: the mobile sliding block 6 on the spring tension component on First Line arm 11 and the second line arm 13 is moved to the direction of compressed spring 9
It is dynamic, and extension spring 5 is stretched and compressed spring 9 is compressed, mobile sliding block 6 is fixed on guide rod 3 not using latch hook 8 at this time
It is dynamic, so that tension spring 5 and pressure spring 9 are in energy storage state；Mobile support plate 16 in weight tensile members is placed in slide rail 17
Left end is fixed using fixed pin 15, and weight 20 is in outstanding close to fixed pulley 18 under the draw of rope 19 at this time
Empty hang.Then, the wire electrode 10 on wire storage cylinder 1 is carried out wearing silk operation, wire electrode 10 successively bypasses weight tension group
Second tensioning guide wheel 14 of 16 upper end of part support plate, belong on First Line arm 11 first tensioning guide wheel 7 of spring tension component with
And belong to spring tension component on the capstan 12 on First Line arm 11, the capstan 12 on the second line arm 13 and the second line arm 13
First tensioning guide wheel 7, finally around 16 lower end of weight tensile members support plate second tensioning guide wheel 14 return to wire storage cylinder 1
On, ultimately form the movement wire system of a closure.It, first will be on First Line arm 11 and the second line arm 13 in movement wire system work
Latch hook 8 on spring tension component is unlocked, and the energy of release spring storage, mobile sliding block 6 is in extension spring 5 and compression bullet
The pulling force of spring 9 and push back under the action of power that right-to-left is mobile, realize movement wire system it is primary it is microcosmic walk thread tension regulation；Again will
Fixed pin 15 on weight tensile members is pushed aside, so that mobile support plate 16 is under the induced effect of rope 19 and weight 20 from left
It moves right, the second tensioning guide wheel 14 moved in support plate 16 at this time can be to the tensile force of wire electrode 10 1 to the right, simultaneously
Also the pressure of spring tension component one to the right can be given by wire electrode 10, promotes 5 He of extension spring on spring tension component
Compressed spring 9 in effective regime of elastic deformation, i.e., carries out secondary macroscopical tension regulation to movement wire system always.When above
After Job readiness is good, booting wire transporting starts to process, and in the reciprocal wire transporting process of high speed, spring tension component can be eliminated
The moment impact load generated when movement wire system is in forward and reverse switching guarantees to stablize fortune when the forward and reverse switching of movement wire system
Silk；The two-way weight tension part of longer moving distance, two tensioning guide wheels are in symmetrical, it can be achieved that bilateral open simultaneously up and down
Tightly, counterweight is constant, and tension stability, environmental impact factor is few, solves the problems, such as screws loosing at single side, while can satisfy wire electric discharge and cutting
Cut the consistency of repeatedly cutting workpiece.
Above embodiments are only to illustrate the utility model and not limit technical solution described in the utility model, show
So, the utility model specific implementation is not subject to the restrictions described above.As long as use the utility model method concept and
The improvement for the various unsubstantialities that technical solution carries out；Or it is not improved, by the above-mentioned conception and technical scheme of the utility model
Other occasions are directly applied to, both are within the protection scope of the present invention.
Claims (10)
1. a kind of Wire EDM second-level tension control device, which is characterized in that including being sequentially connected in series and constituting closure
Wire storage cylinder, weight tensile members, First Line arm and the second line arm in wire transporting circuit, the First Line arm and the second line arm configuration phase
Together, and the both ends of the weight tensile members are symmetrically disposed on, are respectively equipped with structure phase on the First Line arm and the second line arm
With the first spring tension component and second spring tensile members, the First Line arm by the first spring tension component with
The weight tensile members connection, the second line arm are connect by second spring tensile members with the weight tensile members.
2. a kind of Wire EDM second-level tension control device according to claim 1, which is characterized in that described first
Spring tension component include spring assembly bottom plate, hold-down support, guide rod, extension spring, mobile sliding block, the first tensioning guide wheel,
Latch hook and compressed spring, the guide rod are fixed on above spring assembly bottom plate by hold-down support, the extension spring and pressure
At the both ends of guide rod, the mobile sliding block is set on guide rod and connects respectively with extension spring and compressed spring contracting spring pocket
It connects, the latch hook is set to the side of mobile sliding block, and for that will move sliding block and guiding rod locking, the first tensioning guide wheel is set
It is placed on mobile sliding block, is connected respectively with weight tensile members and First Line arm by wire electrode at work.
3. a kind of Wire EDM second-level tension control device according to claim 2, which is characterized in that described first
Capstan is additionally provided on line arm, the capstan and the first spring tension component are located at the both ends of First Line arm, are working
When, the capstan is connected with the first spring tension component and the second line arm by wire electrode respectively.
4. a kind of Wire EDM second-level tension control device according to claim 3, which is characterized in that described leading
Wheel is set in same horizontal line with the first tensioning guide wheel.
5. a kind of Wire EDM second-level tension control device according to claim 1, which is characterized in that the weight
Tensile members include the second tensioning guide wheel, fixed pin, mobile support plate, slide rail, guide rail slide block and weight unit, the cunning
Dynamic guide rail is set between First Line arm and the second line arm, and parallel with First Line arm and the second line arm respectively, and the guide rail is sliding
Block is set on slide rail, and both ends are connect with fixed pin and weight unit respectively, and the mobile support plate passes through guide rail slide block
It is connect with slide rail, the quantity of the second tensioning guide wheel is two, is symmetrically disposed on the both ends of mobile support plate, is working
When connected respectively with wire storage cylinder, First Line arm and the second line arm by wire electrode.
6. a kind of Wire EDM second-level tension control device according to claim 5, which is characterized in that the weight
Unit includes fixed pulley, rope and weight, and the first end of the rope connect with mobile support plate, second end around fixed pulley and
Weight connection.
7. a kind of Wire EDM second-level tension control device according to claim 6, which is characterized in that the weight
Moving range be 0~300mm.
8. a kind of Wire EDM second-level tension control device according to claim 5, which is characterized in that the sliding
Guide rail includes linear motor rolling guide or linear motion guide.
9. a kind of Wire EDM second-level tension control device according to claim 5, which is characterized in that the sliding
The shape of guide rail includes rectangle, triangle, swallow-tail form or cylinder.
10. a kind of Wire EDM second-level tension control device according to claim 5, which is characterized in that described to lead
Displacement distance scope of the rail sliding block on slide rail is 0~300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767280.9U CN209062300U (en) | 2018-10-30 | 2018-10-30 | A kind of Wire EDM second-level tension control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767280.9U CN209062300U (en) | 2018-10-30 | 2018-10-30 | A kind of Wire EDM second-level tension control device |
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| CN209062300U true CN209062300U (en) | 2019-07-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128409A (en) * | 2018-10-30 | 2019-01-04 | 南京航空航天大学无锡研究院 | A kind of Wire EDM second-level tension control device |
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2018
- 2018-10-30 CN CN201821767280.9U patent/CN209062300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128409A (en) * | 2018-10-30 | 2019-01-04 | 南京航空航天大学无锡研究院 | A kind of Wire EDM second-level tension control device |
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