CN203484762U - Wire electrode slip prevention device and numerical control wire cut electric discharge machine - Google Patents
Wire electrode slip prevention device and numerical control wire cut electric discharge machine Download PDFInfo
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- CN203484762U CN203484762U CN201320550405.3U CN201320550405U CN203484762U CN 203484762 U CN203484762 U CN 203484762U CN 201320550405 U CN201320550405 U CN 201320550405U CN 203484762 U CN203484762 U CN 203484762U
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- guide wheel
- wire
- slip device
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Abstract
The utility model discloses a wire electrode slip prevention device and a numerical control wire cut electric discharge machine. The wire electrode slip prevention device comprises a location component and a clamp component, wherein the location component and the clamp component are distributed on two sides of a guide wheel, one end of a guide wheel support shaft is connected with the location component in rotation mode, the other end of the guide wheel support shaft is connected with the clamp component in rotation mode, the location component is used to locate the position of the location component relative to the clamp component, and the clamp component is used to clamp the guide wheel and maintains that an interval between the guide wheel and the location component and an interval between the guide wheel and the clamp component are respectively less than the radius of a wire electrode. The numerical control wire cut electric discharge machine comprises a coil holder, a bearing pressure plate and the wire electrode slip prevention device, wherein the bearing pressure plate, the wire electrode slip prevention device and an air cylinder are fixedly connected onto the coil holder. The wire electrode slip prevention device and the numerical control wire cut electric discharge machine can effectively prevent the wire electrode from sliding down from a guide wheel groove.
Description
Technical field
The utility model relates to numerical control device technical field, relates in particular to wire electrode anti-slip device and numerical control electrospark wire-electrode cutting machine.
Background technology
During 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, operator need to process wire hole.
Processing wire hole object is respectively: (1) recessed class part: for guaranteeing the integrality of part, and must processing wire hole before cutting.(2) protruding class part: generally do not need to process wire hole, if but the thickness of part limit number large or cutting when more for reducing part, in cutting, be out of shape, must processing wire hole before cutting.
Wire hole is as the fabrication hole of workpiece processing, be wire electrode with respect to the starting point of workpiece motion s, be 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 guide wheel back shaft, and support guide wheel and rotate), conducting block successively, and through wire hole, be finally back in wire storage cylinder.
Yet when artificial threading operation, the frequent landing guided wheel slot of wire electrode (being the groove on the outer surface of guide wheel), operative employee is not checked through, and workpiece is easy to cut bad, and occurs fracture of wire phenomenon, and the workpiece causing is like this scrapped, and does over again etc. also can to cause the waste of cost.
Utility model content
The purpose of this utility model 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, the technical solution of the utility model is achieved in that
A wire electrode anti-slip device, 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 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 for locating the relative position with described clamp assembly;
Described clamp assembly is used for clamping described guide wheel, and keeps described guide wheel to be all less than respectively the radius of wire electrode with the gap of described positioning component, described clamp assembly.
Correspondingly, the utility model 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, are also provided with bearing block installing hole;
The described clutch shaft bearing seat being 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 utility model embodiment is:
Analyze above-mentioned wire electrode anti-slip device structure known: 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: guide wheel back shaft is used for supporting guide wheel and rotates.Obviously, two axle heads of guide wheel back shaft are rotationally connected with positioning component, clamp assembly respectively, between clamp assembly and positioning component, just guide wheel is clipped in the middle 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) to be all 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 from this gap, not skid off; and then can protect molybdenum filament always in guided wheel slot; the wire electrode anti-slip device that the utility model provides 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.
Accompanying drawing explanation
The assembly structure schematic diagram of the wire electrode anti-slip device that Fig. 1 provides for the utility model embodiment;
The explosive view of the wire electrode anti-slip device that Fig. 2 provides for the utility model embodiment;
The structural representation of wire electrode falling stop valve in the wire electrode anti-slip device that Fig. 3 provides for the utility model embodiment;
The part wiring schematic diagram of control circuit in the wire electrode anti-slip device that Fig. 4 provides for the utility model embodiment;
The structural representation of the numerical control electrospark wire-electrode cutting machine that Fig. 5 provides for the utility model embodiment;
The structural representation of the numerical control electrospark wire-electrode cutting machine middle (center) bearing bearing plate that Fig. 6 provides for the utility model embodiment.
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Referring to Fig. 1, the utility model embodiment 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 of guide wheel back shaft 40 and positioning component 10 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 for locating the relative position with described clamp assembly 20;
Described clamp assembly 20 is for clamping described guide wheel 30, and keeps described guide wheel 30 to be all 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 utility model embodiment relates to can comprise the wire electrode of multiple material, for example: molybdenum filament, copper wire etc., the utility model embodiment repeats no longer one by one to this.
In the utility model embodiment, wire electrode anti-slip device, comprises positioning component and clamp assembly, and positioning component and clamp assembly are distributed in the both sides of guide wheel; Wherein: guide wheel back shaft is used for supporting guide wheel and rotates.Obviously, two axle heads of guide wheel back shaft are rotationally connected with positioning component, clamp assembly respectively, between clamp assembly and positioning component, just guide wheel is clipped in the middle like this, and keeps positioning component to the gap of guide wheel, to be all less than the radius of molybdenum filament 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 from this gap, not skid off; and then can protect molybdenum filament always in guided wheel slot; the wire electrode anti-slip device that the utility model provides 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 utility model all be 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;
On one sidewall of described clutch shaft bearing seat 101, be also provided with locating hole 104.
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 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;
On one sidewall of described wire electrode falling stop valve 204, be also provided with alignment pin (being similar to the structure of thimble) 2041, 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, wire electrode anti-slip device also comprises cylinder;
Described cylinder comprises cylinder body (not shown), piston (not shown) and cylinder piston holder, and one end of described piston connects described cylinder body, and the other end connects described cylinder piston support; Described cylinder is used for by cylinder piston support stretching motion described in piston actuated;
Referring to Fig. 3, on the outer wall of wire electrode falling stop valve 204, be also provided with two screw columns 2042, described screw column 2042 is threaded with described cylinder piston support.
Particularly, clamp assembly adopts cylinder to clamp at the right-hand member of guide wheel back shaft, and the middle part of guide wheel back shaft is provided with guide wheel, and the left end of guide wheel back shaft connects positioning component.In wearing the process of 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 rotate along with guide wheel back shaft certainly like this; just play the effect of one overfill protection; by this shaft end clamping device; can make 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, 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 cylinder described in control break;
Particularly, can manually press button by magnetic valve and realize above-mentioned control, also can realize automatically and controlling by external circuits in addition.Below above-mentioned automatic control section is illustrated:
Preferably, wire electrode anti-slip device also comprises 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.
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 clutch shaft bearing seat, to guarantee not and guide wheel friction, and keeps certain interval, and its gap is less than molybdenum filament radius.With this, reach protection molybdenum filament always in guided wheel slot.For next work period shortens the time, raise the efficiency.
Manual:
Press KS power of electromagnetic valve is supplied and manual bidirectional switch, realize cylinder and move ahead, rear row function, drive wire electrode falling stop valve moves ahead, and (protecting molybdenum filament landing) is rear goes (not protecting molybdenum filament landing), for debugging and special circumstances.
Automatic: KS switch return, in the normal spare time.
Circuit breaker KA describes: wire transporting motor power is supplied with, and wiring is supplied with starting point at wire transporting motor power, and wire transporting motor is not worked, KA normally-closed contact working electrode silk falling stop valve move ahead (landing of protection molybdenum filament); When wire transporting motor is opened, the work of KA adhesive normally opened contact, row after wire electrode falling stop valve, (not protecting molybdenum filament landing).
It should be noted that, described auxiliary reclay is for when controlling wire transporting motor rotation, and air cylinder driven clamp assembly departs 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.By different normally opened contacts and normally-closed contact, realize switching controls, 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 wire storage cylinder stop button.(2) unload silk travelling table, molybdenum filament is parked in to the top in a hole.(3) pull wire electrode head, each guide wheel of solderless wrapped connection, conducting block successively, and through wire hole, be finally back to wire storage cylinder.(4), by 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 utility model embodiment relates to, in existing process of having assisted wire electrode wire in wearing silk operation, has protected wire electrode can from guided wheel slot, not slide out.
The wire electrode anti-slip device that the utility model embodiment relates to can be realized automatic protection functions.Provide with pneumatic actuation mechanical device and assisted the process of wearing silk that realizes, 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, has promoted the operating efficiency that numerical control electric spark cuts.
Correspondingly, referring to Fig. 5 and Fig. 6, the utility model embodiment 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, are also provided with bearing block installing hole 2001;
The described clutch shaft bearing seat being 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 one end of guide wheel back shaft and is also provided with step; The described step being 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 utility model embodiment 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 utility model embodiment relates to can be accomplished environmental protection simultaneously, improve working environment, and 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 utility model embodiment 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 preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
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 for locating the relative position with described clamp assembly;
Described clamp assembly is used for clamping described guide wheel, and keeps described guide wheel to be all 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;
On one sidewall of described clutch shaft bearing seat, be also provided with locating hole.
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;
On one sidewall of described wire electrode falling stop valve, be also provided with alignment pin, 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 that head is the pin of 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 one end of described piston connects described cylinder body, and the other end connects described cylinder piston support; Described cylinder is used for by cylinder piston support stretching motion described in piston actuated;
On the outer wall of described wire electrode falling stop valve, be also provided with two screw columns, 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 cylinder described in control break.
7. wire electrode anti-slip device as claimed in claim 6, is characterized in that,
Also comprise 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 the wire electrode anti-slip device as described in 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, are also provided with bearing block installing hole;
The clutch shaft bearing seat being 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 one end of guide wheel back shaft and is also provided with step; The described step being 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 |
|---|---|---|---|
| CN201320550405.3U CN203484762U (en) | 2013-09-05 | 2013-09-05 | Wire electrode slip prevention device and numerical control wire cut electric discharge machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550405.3U CN203484762U (en) | 2013-09-05 | 2013-09-05 | Wire electrode slip prevention device and numerical control wire cut electric discharge machine |
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| Publication Number | Publication Date |
|---|---|
| CN203484762U true CN203484762U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320550405.3U Expired - Fee Related CN203484762U (en) | 2013-09-05 | 2013-09-05 | Wire electrode slip prevention device and numerical control wire cut electric discharge machine |
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| CN (1) | CN203484762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447645A (en) * | 2013-09-05 | 2013-12-18 | 龙兴贵 | Wire electrode anti-slipping device and numerical control electric spark line cutting machine |
-
2013
- 2013-09-05 CN CN201320550405.3U patent/CN203484762U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447645A (en) * | 2013-09-05 | 2013-12-18 | 龙兴贵 | Wire electrode anti-slipping device and numerical control electric spark line cutting machine |
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Granted publication date: 20140319 Termination date: 20160905 |