CN103447645A - Wire electrode anti-slipping device and numerical control electric spark line cutting machine - Google Patents
Wire electrode anti-slipping device and numerical control electric spark line cutting machine Download PDFInfo
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- CN103447645A CN103447645A CN2013103991251A CN201310399125A CN103447645A CN 103447645 A CN103447645 A CN 103447645A CN 2013103991251 A CN2013103991251 A CN 2013103991251A CN 201310399125 A CN201310399125 A CN 201310399125A CN 103447645 A CN103447645 A CN 103447645A
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Abstract
The invention discloses a wire electrode anti-slipping device and a numerical control electric spark line cutting machine, wherein the wire electrode anti-slipping device comprises a positioning assembly and a clamping assembly, the positioning assembly and the clamping assembly are distributed at the two sides of a guide wheel, one end of a guide wheel support shaft is rotationally connected with a positioning assembly, the other end of the guide wheel support shaft is rotationally connected with the clamping assembly, the positioning assembly is used for positioning the relative position with the clamping assembly, the clamping assembly is used for tightly clamping the guide wheel, and in addition, the gaps among the guide wheel and the positioning assembly as well as the guide wheel and the clamping assembly are respectively maintained to be smaller than the radius of the wire electrode. The numerical control electric spark line cutting machine comprises a wire frame, a bearing pressure bearing plate and the wire electrode anti-slipping device. The bearing pressure bearing plate, the wire electrode anti-slipping device and an air cylinder are fixedly connected onto the wire frame. The wire electrode anti-slipping device and the wire electrode anti-slipping device provided by the invention can effectively prevent wire electrodes from slipping from a guide wheel groove.
Description
Technical field
The present invention relates to the numerical control device technical field, relate in particular to wire electrode anti-slip device and numerical control electrospark wire-electrode cutting machine.
Background technology
During the line cutting processing, wearing silk is a basic operation technology, in the process of hole, need to repeatedly repeat to wear silk especially.
Usually, in order to meet following process requirements, the operator need to process wire hole.
Processing wire hole purpose is respectively: (1) recessed class part: for guaranteeing the integrality of part, and must the processing wire hole before cutting.(2) protruding class part: generally do not need to process wire hole, if but the thickness of part is large or limit number cutting when more, for reducing part, in cutting, be out of shape, and must the processing wire hole before cutting.
Wire hole, as the fabrication hole of workpiece processing, is the starting point of wire electrode with respect to workpiece motion s, is also the start position that program is carried out simultaneously.When carrying out operation, concise and to the point step is as follows: pull wire electrode (for example: molybdenum filament) head, each guide wheel of solderless wrapped connection (passed by the guide wheel back shaft, and support guide wheel and rotate), conducting block successively, and, through wire hole, finally be back in wire storage cylinder.
Yet when the artificial threading operation, the frequent landing guided wheel slot of wire electrode (being the groove on the outer surface of guide wheel), the operative employee is not checked through, and workpiece is easy to cut bad, and the fracture of wire phenomenon occurs, and the workpiece caused is like this scrapped, and does over again etc. also can to cause the waste of cost.
Summary of the invention
The object of the present invention is to provide a kind of wire electrode anti-slip device and numerical control electrospark wire-electrode cutting machine, to address the above problem.
In order to achieve the above object, technical scheme of the present invention is achieved in that
A kind of wire electrode anti-slip device, comprise positioning component and clamp assembly, and described positioning component and clamp assembly are distributed in the both sides of guide wheel;
One end and the positioning component of described guide wheel back shaft are rotationally connected, and the other end and the clamp assembly of described guide wheel back shaft are rotationally connected;
Described positioning component is the relative position with described clamp assembly for location;
Described clamp assembly is used for clamping described guide wheel, and keeps described guide wheel all to be less than respectively the radius of wire electrode with the gap of described positioning component, described clamp assembly.
Correspondingly, the present invention also provides a kind of numerical control electrospark wire-electrode cutting machine, comprises coil holder, bearing bearing plate and above-mentioned wire electrode anti-slip device;
Described bearing bearing plate, described wire electrode anti-slip device are fixedly connected on described coil holder, on described bearing bearing plate, also are provided with the bearing block installing hole;
The described clutch shaft bearing seat be arranged on described wire electrode anti-slip device is fixed in the bearing block installing hole on described bearing bearing plate.
Compared with prior art, the advantage of the embodiment of the present invention is:
Analyze above-mentioned wire electrode anti-slip device structure known: the wire electrode anti-slip device, comprise positioning component and clamp assembly, positioning component and clamp assembly are distributed in the both sides of guide wheel; Wherein: the guide wheel back shaft rotates for supporting guide wheel.Obviously, two axle heads of guide wheel back shaft are rotationally connected with positioning component, clamp assembly respectively, just guide wheel is clipped in the middle between clamp assembly and positioning component like this, and keeps the gap of positioning component to the gap of guide wheel and clamp assembly to guide wheel (for example: radius molybdenum filament) all to be less than wire electrode by clamp assembly.Due to this clearance distance can ensure guide wheel not can with positioning component, clamp assembly friction; also can protect molybdenum filament can not skid off from this gap; and then can protect molybdenum filament always in guided wheel slot; wire electrode anti-slip device provided by the invention like this can be by the clearance distance of matched in clearance; ensure that molybdenum filament can landing not go out the guided wheel slot on guide wheel in wearing silk or moving back a process; thereby overcome in prior art after molybdenum filament landing guided wheel slot, workpiece easily cuts the problems such as bad and fracture of wire.Be provided with like this numerical control electrospark wire-electrode cutting machine of above-mentioned wire electrode anti-slip device, also can ensure that wire electrode can landing not go out the guided wheel slot on guide wheel in wearing silk or moving back a process.
The accompanying drawing explanation
The assembly structure schematic diagram of the wire electrode anti-slip device that Fig. 1 provides for the embodiment of the present invention;
The explosive view of the wire electrode anti-slip device that Fig. 2 provides for the embodiment of the present invention;
The structural representation of wire electrode falling stop valve in the wire electrode anti-slip device that Fig. 3 provides for the embodiment of the present invention;
The part wiring schematic diagram of control circuit in the wire electrode anti-slip device that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the numerical control electrospark wire-electrode cutting machine that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the numerical control electrospark wire-electrode cutting machine middle (center) bearing bearing plate that Fig. 6 provides for the embodiment of the present invention.
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings the present invention is described in further detail.
Referring to Fig. 1, the embodiment of the present invention provides a kind of wire electrode anti-slip device, comprises positioning component 10 and clamp assembly 20, and described positioning component 10 and clamp assembly 20 are distributed in the both sides of guide wheel 30;
One end and the positioning component 10 of guide wheel back shaft 40 are rotationally connected, and the other end of described guide wheel back shaft 40 and clamp assembly 20 are rotationally connected;
Described positioning component 10 is the relative position with described clamp assembly 20 for location;
Described clamp assembly 20 is for clamping described guide wheel 30, and keeps described guide wheel 30 all to be less than respectively the radius of wire electrode with the gap of described positioning component 10, described clamp assembly 20.
It should be noted that, the wire electrode that the embodiment of the present invention relates to can comprise the wire electrode of multiple material, for example: molybdenum filament, copper wire etc., the embodiment of the present invention repeats no longer one by one to this.
In embodiments of the present invention, the wire electrode anti-slip device, comprise positioning component and clamp assembly, and positioning component and clamp assembly are distributed in the both sides of guide wheel; Wherein: the guide wheel back shaft rotates for supporting guide wheel.Obviously, two axle heads of guide wheel back shaft are rotationally connected with positioning component, clamp assembly respectively, just guide wheel is clipped in the middle between clamp assembly and positioning component like this, and keeps positioning component all to be less than the radius of molybdenum filament to the gap of guide wheel to gap and the clamp assembly of guide wheel by clamp assembly.Due to this clearance distance can ensure guide wheel not can with positioning component, clamp assembly friction; also can protect molybdenum filament can not skid off from this gap; and then can protect molybdenum filament always in guided wheel slot; wire electrode anti-slip device provided by the invention like this can be by the clearance distance of matched in clearance; ensure that molybdenum filament can landing not go out the guided wheel slot on guide wheel in wearing silk or moving back a process; thereby overcome in prior art after molybdenum filament landing guided wheel slot, workpiece easily cuts the problems such as bad and fracture of wire.
The present invention all should give protection for all concrete structures of containing above-mentioned technical characterictic that belongs to.
Below the concrete structure of above-mentioned wire electrode anti-slip device is described in further details:
Preferably, referring to Fig. 2, described location group 10 comprises clutch shaft bearing seat 101, clutch shaft bearing 102 and the first tight hook bolt 103, wherein:
The inside of described clutch shaft bearing seat 101 is provided with screwed hole 1011, bearing mounting hole 1012 and back shaft installing hole 1013 successively; The described first tight hook bolt 103 is fixed in the screwed hole 1011 of described clutch shaft bearing seat, described clutch shaft bearing 102 is arranged in the bearing mounting hole 1012 of clutch shaft bearing seat 101, and the back shaft installing hole 1013 of described clutch shaft bearing seat 101 coordinates with described guide wheel back shaft 40;
Also be provided with locating hole 104 on one sidewall of described clutch shaft bearing seat 101.
Preferably,
Described clamp assembly 20 comprises second bearing block 201, the second bearing the 202, second tight hook bolt 203 and wire electrode falling stop valves 204, wherein:
The inside of described the second bearing block 201 is provided with screwed hole, bearing mounting hole and back shaft installing hole (above-mentioned pore structure is similar to the clutch shaft bearing seat) successively; The described second tight hook bolt 203 is fixed in the screwed hole of described the second bearing block 201, and described the second bearing 202 is arranged in the bearing mounting hole of the second bearing block 201, and the back shaft installing hole of described the second bearing block 201 coordinates with described guide wheel back shaft 40;
Described wire electrode falling stop valve 204 is socketed on the outer wall of described the second bearing block 201;
Also be provided with alignment pin (being similar to the structure of thimble) 2041 on one sidewall of described wire electrode falling stop valve 204, described alignment pin 2041 coordinates with described locating hole 104.
Described locating hole 104 is taper, the pin that described alignment pin 2041 is taper for head.
Preferably, the wire electrode anti-slip device also comprises cylinder;
Described cylinder comprises cylinder body (not shown), piston (not shown) and cylinder piston holder, and an end of described piston connects described cylinder body, and the other end connects described cylinder piston support; Described cylinder is for passing through the described cylinder piston support of piston actuated stretching motion;
Referring to Fig. 3, also be provided with two screw columns 2042 on the outer wall of wire electrode falling stop valve 204, described screw column 2042 is threaded with described cylinder piston support.
Particularly, clamp assembly adopts cylinder to be clamped at the right-hand member of guide wheel back shaft, and the middle part of guide wheel back shaft is equipped with guide wheel, and the left end of guide wheel back shaft connects positioning component.In the process of wearing silk, alignment pin and locating hole are remaining matched in clearance, and guarantee that this gap is less than the radius of wire electrode, ensure that wire electrode can not skid off from guided wheel slot, because the positioning component of both sides and clamp assembly will retrain the motion of wire electrode, ensure that wire electrode is clipped in the middle by the modular construction of both sides all the time.Alignment pin on clutch shaft bearing seat and wire electrode falling stop valve can not rotated along with the guide wheel back shaft certainly like this; just play the effect of one overfill protection; by this shaft end clamping device; can make the guide wheel back shaft keep stable rotation, more can not be out of shape because of the effect of load and gravity.
Further, referring to Fig. 4, the wire electrode anti-slip device also comprises control circuit 60 and tracheae 70;
Described control circuit 60 comprises power of electromagnetic valve 601, hand switch 602, electromagnetic valve body 603, and described power of electromagnetic valve 601 is connected with hand switch 602, electromagnetic valve body 603 respectively and formed a subcircuits;
Described electromagnetic valve body 603 is communicated with described cylinder body by tracheae 70, and described electromagnetic valve body is for the direction of motion of the described cylinder piston support on the described cylinder of control break;
Particularly, can manually press button by magnetic valve and realize above-mentioned control, also can realize automatically controlling by external circuits in addition.Below above-mentioned automatic control section is illustrated:
Preferably, the wire electrode anti-slip device also comprises the wire transporting motor;
Described control circuit 60 also comprises auxiliary reclay; Described auxiliary reclay is connected with described electromagnetic valve body 603 and wire transporting motor respectively and is formed another two subcircuits.
The specific works principle: promote wire electrode falling stop valve by cylinder and move ahead, the front end conical dowel pin of wire electrode falling stop valve imports the taper locating hole on the clutch shaft bearing seat, to guarantee not and the guide wheel friction, and keeps certain interval, and its gap is less than the molybdenum filament radius.Reach the protection molybdenum filament always in guided wheel slot with this.For next work period shortens the time, raise the efficiency.
Manually:
Press KS power of electromagnetic valve is supplied and the manual bidirectional switch, realize that cylinder moves ahead, rear row function, drive wire electrode falling stop valve moves ahead, and (protecting the molybdenum filament landing) is rear goes (not protecting the molybdenum filament landing), for debugging and special circumstances.
Automatically: KS switch return, in the normal spare time.
Circuit breaker KA describes: the wire transporting motor power is supplied with, and wiring is supplied with starting point at the wire transporting motor power, and the wire transporting motor is not worked, KA normally-closed contact working electrode silk falling stop valve move ahead (landing of protection molybdenum filament); When the wire transporting motor is opened, the work of KA adhesive normally opened contact, row after wire electrode falling stop valve, (not protecting the molybdenum filament landing).
It should be noted that, described auxiliary reclay is for when controlling the wire transporting motor rotation, and the air cylinder driven clamp assembly breaks away from positioning component; When control wire transporting motor shuts down, control cylinder drives clamp assembly clamping and positioning assembly.
Auxiliary reclay (intermediate relay) (being GB electrical symbol KA): for relay protection and automatic control system, to increase quantity and the capacity of contact.It is for transmitting M signal at control circuit.Structure and the principle of analyzing auxiliary reclay are known, its use be all auxiliary contact.Realize switching controls by different normally opened contacts and normally-closed contact, so just can realize above-mentioned control.
In sum, above-mentioned wire electrode anti-slip device is set forth and is comprised control section and operating part from mechanical configuration aspects; Described operating part comprises positioning component and clamp assembly; Described control section comprises control circuit and cylinder.
It should be noted that, wear thread step explanation and a demonstration: (1), when wire storage cylinder runs to limit on the right-right-hand limit, presses the wire storage cylinder stop button.(2) unload silk travelling table, molybdenum filament is parked in to the top in a hole.(3) pull the wire electrode head, each guide wheel of solderless wrapped connection, conducting block successively, and, through wire hole, finally be back to wire storage cylinder.(4), by the wire electrode tension, be fixed on afterwards silk cylinder trip bolt place.(5) cut unnecessary silk head.
The wire electrode anti-slip device that the embodiment of the present invention relates to, in existing process of having assisted the wire electrode wire in wearing silk operation, has protected wire electrode can not slide out from guided wheel slot.
The wire electrode anti-slip device that the embodiment of the present invention relates to can be realized automatic protection functions.Provide with the pneumatic actuation mechanical device and assisted the process that realizes wearing silk, molybdenum filament remains on a kind of device of guided wheel slot always, therefore avoided because of doing over again that the phenomenons such as fracture of wire produce, heavy fresh processed problem, and then a lot of unnecessary workloads have been reduced, cost, promoted the operating efficiency that numerical control electric spark cuts.
Correspondingly, referring to Fig. 5 and Fig. 6, the embodiment of the present invention also provides a kind of numerical control electrospark wire-electrode cutting machine, comprises coil holder 100, bearing bearing plate 200 and above-mentioned wire electrode anti-slip device;
Described bearing bearing plate 200, described wire electrode anti-slip device (comprising cylinder 500) are fixedly connected on described coil holder 100, on described bearing bearing plate 200, also are provided with bearing block installing hole 2001;
The described clutch shaft bearing seat be arranged on described wire electrode anti-slip device is fixed in the bearing block installing hole 2001 on described bearing bearing plate 200.
Preferably,
Described clutch shaft bearing seat is rotatably connected on the outer wall of an end of guide wheel back shaft and also is provided with step; The described step be arranged on described clutch shaft bearing seat coordinates with described bearing block installing hole.
Preferably, numerical control electrospark wire-electrode cutting machine also comprises bucker;
Described bucker is surrounded and forms successively by three side plates, and described bucker is for surrounding the outer surface of described numerical control electrospark wire-electrode cutting machine.
Take technique as basis, can change existing machine tool structure, reach largeizationr of efficiency, operate more laborsaving, simple.
The bucker that the embodiment of the present invention relates to can prevent that cooling fluid (such as saponification working solution or plasma water etc.) from splashing everywhere, bad recycling, the bucker that the embodiment of the present invention relates to can be accomplished environmental protection simultaneously, improve working environment, and the wire electrode anti-slip device uses, simple to operate, easily train very soon on duty.
Generally speaking, wire electrode anti-slip device and numerical control electrospark wire-electrode cutting machine that the embodiment of the present invention relates to, ensured and worn a stability of process molybdenum filament, solved that existing wire cutting machine is time-consuming, effort, inefficient problem, changed the working environment of wire cutting machine tool simultaneously.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a wire electrode anti-slip device, is characterized in that, comprises positioning component and clamp assembly, and described positioning component and clamp assembly are distributed in the both sides of guide wheel;
One end and the positioning component of guide wheel back shaft are rotationally connected, and the other end and the clamp assembly of described guide wheel back shaft are rotationally connected;
Described positioning component is the relative position with described clamp assembly for location;
Described clamp assembly is used for clamping described guide wheel, and keeps described guide wheel all to be less than respectively the radius of wire electrode with the gap of described positioning component, described clamp assembly.
2. wire electrode anti-slip device as claimed in claim 1, is characterized in that,
Described positioning component comprises clutch shaft bearing seat, clutch shaft bearing and the first tight hook bolt, wherein:
The inside of described clutch shaft bearing seat is provided with screwed hole, bearing mounting hole and back shaft installing hole successively; The described first tight hook bolt is fixed in the screwed hole of described clutch shaft bearing seat, and described clutch shaft bearing is arranged in the bearing mounting hole of clutch shaft bearing seat, and the back shaft installing hole of described clutch shaft bearing seat coordinates with described guide wheel back shaft;
Also be provided with locating hole on one sidewall of described clutch shaft bearing seat.
3. wire electrode anti-slip device as claimed in claim 2, is characterized in that,
Described clamp assembly comprises the second bearing block, the second bearing, the second tight hook bolt and wire electrode falling stop valve, wherein:
The inside of described the second bearing block is provided with screwed hole, bearing mounting hole and back shaft installing hole successively; The described second tight hook bolt is fixed in the screwed hole of described the second bearing block, and described the second bearing is arranged in the bearing mounting hole of the second bearing block, and the back shaft installing hole of described the second bearing block coordinates with described guide wheel back shaft;
Described wire electrode falling stop valve pocket is connected on the outer wall of described the second bearing block;
Also be provided with alignment pin on one sidewall of described wire electrode falling stop valve, described alignment pin coordinates with described locating hole.
4. wire electrode anti-slip device as claimed in claim 3, is characterized in that,
Described locating hole is taper, and described alignment pin is the pin that head is taper.
5. wire electrode anti-slip device as claimed in claim 3, is characterized in that,
Also comprise cylinder;
Described cylinder comprises cylinder body, piston and cylinder piston holder, and an end of described piston connects described cylinder body, and the other end connects described cylinder piston support; Described cylinder is for passing through the described cylinder piston support of piston actuated stretching motion;
Also be provided with two screw columns on the outer wall of described wire electrode falling stop valve, described screw column is threaded with described cylinder piston support.
6. wire electrode anti-slip device as claimed in claim 5, is characterized in that,
Also comprise control circuit and tracheae;
Described control circuit comprises power of electromagnetic valve, hand switch, electromagnetic valve body, and described power of electromagnetic valve is connected with hand switch, electromagnetic valve body respectively and formed a subcircuits;
Described electromagnetic valve body is communicated with described cylinder body by tracheae, and described electromagnetic valve body is for the direction of motion of the described cylinder piston support on the described cylinder of control break.
7. wire electrode anti-slip device as claimed in claim 6, is characterized in that,
Also comprise the wire transporting motor;
Described control circuit also comprises auxiliary reclay; Described auxiliary reclay is connected with described electromagnetic valve body and wire transporting motor respectively and is formed another two subcircuits.
8. a numerical control electrospark wire-electrode cutting machine, is characterized in that, comprises coil holder, bearing bearing plate and wire electrode anti-slip device as described as claim 2-7 any one;
Described bearing bearing plate, described wire electrode anti-slip device are fixedly connected on described coil holder, on described bearing bearing plate, also are provided with the bearing block installing hole;
The clutch shaft bearing seat be arranged on described wire electrode anti-slip device is fixed in the bearing block installing hole on described bearing bearing plate.
9. numerical control electrospark wire-electrode cutting machine as claimed in claim 8, is characterized in that,
Described clutch shaft bearing seat is rotatably connected on the outer wall of an end of guide wheel back shaft and also is provided with step; The described step be arranged on described clutch shaft bearing seat coordinates with described bearing block installing hole.
10. numerical control electrospark wire-electrode cutting machine as claimed in claim 8, is characterized in that,
Also comprise bucker;
Described bucker is surrounded and forms successively by three side plates, and described bucker is for surrounding the outer surface of described numerical control electrospark wire-electrode cutting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399125.1A CN103447645B (en) | 2013-09-05 | 2013-09-05 | Wire electrode anti-slip device and numerical control electrospark wire-electrode cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399125.1A CN103447645B (en) | 2013-09-05 | 2013-09-05 | Wire electrode anti-slip device and numerical control electrospark wire-electrode cutting machine |
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| Publication Number | Publication Date |
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| CN103447645A true CN103447645A (en) | 2013-12-18 |
| CN103447645B CN103447645B (en) | 2017-03-15 |
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| CN201310399125.1A Expired - Fee Related CN103447645B (en) | 2013-09-05 | 2013-09-05 | Wire electrode anti-slip device and numerical control electrospark wire-electrode cutting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106392225A (en) * | 2016-11-15 | 2017-02-15 | 泰州机数控机床有限公司 | Numerical control electric spark line cutting machine with front-arrangement wire conveying cylinder and wire penetrating and returning method |
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| JPH05212673A (en) * | 1991-12-18 | 1993-08-24 | Riide:Kk | Electro-discharge machining method of super abrasive grain grinding wheel and device thereof |
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| CN106392225A (en) * | 2016-11-15 | 2017-02-15 | 泰州机数控机床有限公司 | Numerical control electric spark line cutting machine with front-arrangement wire conveying cylinder and wire penetrating and returning method |
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| CN103447645B (en) | 2017-03-15 |
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Effective date of registration: 20160512 Address after: 225500 Jiangyan Town, Jiangsu District, the town of industrial concentration area Applicant after: Taizhou CNC Machine Tool Co., Ltd. Address before: 621115, Sichuan Province three sets of county view town square village square five group 10 Applicant before: Long Xinggui |
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