CN2291246Y - Electrode wire oscillating controller for wire-cutting machine - Google Patents
Electrode wire oscillating controller for wire-cutting machine Download PDFInfo
- Publication number
- CN2291246Y CN2291246Y CN 96230821 CN96230821U CN2291246Y CN 2291246 Y CN2291246 Y CN 2291246Y CN 96230821 CN96230821 CN 96230821 CN 96230821 U CN96230821 U CN 96230821U CN 2291246 Y CN2291246 Y CN 2291246Y
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- wire
- electrode
- cutting machine
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- control apparatus
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Abstract
The utility model relates to an electrode wire oscillating controller for a wire cutting machine, which is characterized in that a cylindrical detection block (1) is arranged inside a hole groove of a support frame (2) and keeps a movable fit state with the support frame (2); one end is provided with a constant pressure spring (3), and the end surface of the other end is provided with a wire groove matched with the size of an electrode wire. A positioning screw (4) extends to the notch of the detection block (1) from the side part of the support frame (2) for adjusting the extending quantity of displacement. The components are fixed between a thread rolling cylinder of the machine and a thread frame of the machine and tightly contacts the electrode wire. The oscillation phenomenon of the electrode wire caused by the relaxation because of the natural prolongation can be overcome. The device has the advantages of simple structure, high safety and reliability, high precision for metallic work pieces, and good processing stability of the machine.
Description
The utility model belongs to the galvanic corrosion manufacture field of metal, refers in particular to a kind of control device that suppresses the electrode wire of wire-cutting machine tools vibration.
In metal electric spark cutting processing, adopt the wire cutting machine tool of reciprocation cycle formula wire electrode wire cutting metal, the vibration and the skew of normal generating electrodes silk influence workpiece precision and processing stability.Recently, Xi'an Communications University has proposed " electrode wire of wire-cutting machine tools vibration control method and device (patent publication No.: CN1099322A) " and has solved this problem, it is characterized in that: by with the silk detector that shakes of the light press contacts of wire electrode, in picking up, the low frequency silk information of shaking, be sent to control module and carry out information processing, the actuator of feeding is returned in the control information that obtains, actuator still with light press contacts mode to wire electrode apply one with the silk shake the anti-phase active force of detector suppress the silk shake.Undeniable, this patented technology is shaken to the inhibition silk at the wire electrode initial stage of using and is truly had certain effect, but, along with the passing of process time, wire electrode nature elongation will increase gradually, cause that wire electrode is loose, cause the vibration of wire electrode wide cut, influence the workpiece precision, must often manually adjust, suppress to shake the silk effect otherwise lose; Simultaneously, by the silk wire electrode tension increment that detector and actuator cause the light press contacts of wire electrode (although be no more than original wire electrode tension 10%) that shakes, to cause the shift phenomenon of wire electrode in the processing district, influence the workpiece precision: in addition, this Patent equipment, complex structure, sensitivity requires than higher, shake detector and actuator of silk is in frequent duty, and cost is higher.
The purpose of this utility model just provides a kind of electrode wire of wire-cutting machine tools vibration control apparatus, it is characterized in that: support 2 has the cross hole slot that two cylindricality hole slots build up; The cylindricality that end face has a wire casing detects piece 1 packs in the support 2 cross hole slots, and both one-tenth are state movingly; The constant force spring 3 that is fixed in the support 2 cross hole slots compresses the other end that detects piece 1; Location sieve silk 4 in the hole, support 2 sidepiece garden stretches into the indent that cylindricality detects piece 1, and control detects the displacement elongation of piece 1, and said modules is fixed on the wire cutting machine tool, and the detection piece 1 that has wire casing withstands wire electrode, constitutes the utility model.
Cylindricality detects piece 1 end face wire casing, and its size and wire electrode match; Detect piece 1 one sides and be spill, notch length L=20-80mm regulates the displacement elongation that detects piece 1; Detect piece 1 material selection carbide alloy.
Constant force spring 3 is flat roll-shape, and its tension force is the 0.7-1.0 of the tension force of wire electrode own a little less than the tension force of wire electrode own.Spring tension is too small, does not have to suppress wire electrode because of the loose vibration that causes; Too big, easily cause the wire electrode fracture.
The wire electrode vibration control apparatus is fixed between wire cutting machine tool curled hair tube and the guide frame, can make that the wire electrode tension increment in the metal processing district goes to zero between guide frame, and the wire electrode skew goes to zero, and improves processing stability.
Compared with prior art, the present invention has following advantage:
1, simple in structure, easy to make.
2, reliable, handling safety.
3, machining accuracy height, good stability.
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is an electrode wire of wire-cutting machine tools vibration control apparatus schematic diagram
Fig. 2 is that the utility model is at the upper schematic diagram of putting of wire cutting machine tool
Fig. 3 is fracture of wire testing circuit figure
Embodiment:
Certain factory original DK type electric spark linear cutting machine; be used for the nib processing of cold drawn die hard; its 200 meters of formula wire electrode length overall of moving in circles; wire electrode diameter 0.12mm; tension force 6-10 newton own, line cutting speed 9-10 meter per second, on average about 1mm/ hour of natural percentage elongation; in one week (40 hours); wire electrode extends naturally and reaches about 40mm, must often shut down to adjust and tighten wire electrode, even so; also the loose wire electrode that causes of Chang Fashengyin wire electrode vibrates and shift phenomenon; influence the workpiece precision, job insecurity, in addition; because wire electrode also has working life; statistics shows approximately between 40-80 hour, so after the wire electrode long-term work, fracture of wire takes place certainly; cause the processing stand coordinate to lose, wire electrode confuses phenomenon.Implement the utility model, line is added cutting mill bed electrode silk vibration detection device to be fixed between original lathe curled hair tube and the guide frame and (to see Fig. 2, B point position), a control device structure (see figure 1) of shaking is as follows: support 2 centers have a cross slotted eye, it is made up of two cylindricality slotted eyes (6 * 6,2 * 8); 6 * 6 cylindricality carbide alloy detection piece 1 is packed in interior 6 * 6 cylindricality slotted eyes of support 2 cross slotted eyes, the two is state movingly, detect piece 1 one end faces and have a wide 1mm, dark 2mm wire casing and wire electrode coincide, detect piece 1 one sides and be spill, recess length L=40mm, sieve silk 4 in the hole, garden, support 2 side stretch into the indent that detects piece 1, and it is 40mm that control detects piece 1 maximum displacement; Tension force is that 5-8 newton's constant voltage end spring 3 is fixed in interior 2 * 8 slotted eyes of support 2 cross slotted eyes, the two size coupling, and spring 3 compresses detection piece 1 and closely contacts with wire electrode.During work, growth along with wire electrode nature elongation, the displacement elongation that detects piece 1 under the effect of constant force spring 3 increases gradually, the maximum displacement elongation reaches 40mm, can guarantee wire cutting machine tool in continuous operation 40 hours (at this moment, wire electrode nature elongation maximum is no more than 40mm), do not need artificial adjustment, make wire electrode be in tensioned state all the time, overcome wire electrode and extended the loose wide cut vibration that causes that causes naturally because of it, vibration produces damping action to wire electrode together to detect piece 1 and work metal, has reduced amplitude, thereby has suppressed the vibration of wire electrode effectively, need not to do any workman adjusts, the processing metal surface smoothing, workpiece precision height, good operating stability.
After considering the long-term use of wire electrode; the fracture of wire phenomenon will take place; a fracture of wire can be set on wire cutting machine tool detect the holding circuit (see figure 3); advancing electricity point A is fixed on the wire electrode; collection point B is fixed on and detects on the piece 1; add an insulating pad 5 between a control device and the wire cutting machine tool shaking; when fracture of wire takes place when; 2 of A, B then cut-off; auxiliary reclay JT switch discharges at once; and turned off in synchronization wire motor, Oil pump electrical machinery, high frequency electric source etc. detect all power supplys in loop, have kept all data of fracture of wire point, and wire electrode can not confuse yet.
Claims (7)
1, a kind of electrode wire of wire-cutting machine tools vibration control apparatus, it is characterized in that: support (2) has the cross hole slot that two cylindricality hole slots are overlapped into: the cylindricality that end face has a wire casing detects piece (1) packs in support (2) the cross hole slot, and the two becomes state movingly; Be fixed on the other end of the interior constant force spring (3) of support (2) cross hole slot at detection piece (1): the location sieve silk (4) in the hole, support (2) sidepiece garden stretches into the indent that detects piece (1), and control detects the displacement elongation of piece (1); Said modules is fixed on the wire cutting machine tool, detects piece (1) and withstands wire electrode, constitutes the utility model.
2, according to claim 1 described a kind of electrode wire of wire-cutting machine tools control device that shakes, it is characterized in that: constant force spring (3) tension force is a little less than the tension force of wire electrode own, and its scope is the 0.7-1.0 of the tension force of wire electrode own.
3, according to claim 1 described a kind of electrode wire of wire-cutting machine tools vibration control apparatus, it is characterized in that: detect piece (1) end face wire casing size and wire electrode size and match.
4, according to claim 1 or claim 3 described a kind of electrode wire of wire-cutting machine tools vibration control apparatus, it is characterized in that: cylindricality detects the wide 1mm of piece (1) end face wire casing size, dark 2mm.
5, according to claim 1 or claim 3 described a kind of electrode wire of wire-cutting machine tools vibration control apparatus, it is characterized in that: cylindricality detects piece (1) one side and is spill, concave indentation length 20-80mm.
6, according to claim 1 or claim 3 described a kind of electrode wire of wire-cutting machine tools vibration control apparatus, it is characterized in that: detect piece (1) material and select carbide alloy for use.
7, according to claim 1 described a kind of electrode wire of wire-cutting machine tools vibration control apparatus, it is characterized in that: the wire electrode vibration control apparatus places between wire cutting machine tool curled hair tube and the guide frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96230821 CN2291246Y (en) | 1996-10-04 | 1996-10-04 | Electrode wire oscillating controller for wire-cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96230821 CN2291246Y (en) | 1996-10-04 | 1996-10-04 | Electrode wire oscillating controller for wire-cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2291246Y true CN2291246Y (en) | 1998-09-16 |
Family
ID=33908153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96230821 Expired - Lifetime CN2291246Y (en) | 1996-10-04 | 1996-10-04 | Electrode wire oscillating controller for wire-cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2291246Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804626A (en) * | 2010-03-30 | 2010-08-18 | 奇瑞汽车股份有限公司 | Automatic speed changing box clutch assembly gripping tool and special detection tool thereof |
| CN104874877A (en) * | 2015-05-15 | 2015-09-02 | 苏州智凯数控技术有限公司 | Automatic reversing control method for wire feeding of linear cutting machine |
| CN116275329A (en) * | 2023-03-29 | 2023-06-23 | 南通大学 | Wire-cut electric discharge machining quality on-line monitoring and evaluating system and method |
-
1996
- 1996-10-04 CN CN 96230821 patent/CN2291246Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804626A (en) * | 2010-03-30 | 2010-08-18 | 奇瑞汽车股份有限公司 | Automatic speed changing box clutch assembly gripping tool and special detection tool thereof |
| CN104874877A (en) * | 2015-05-15 | 2015-09-02 | 苏州智凯数控技术有限公司 | Automatic reversing control method for wire feeding of linear cutting machine |
| CN116275329A (en) * | 2023-03-29 | 2023-06-23 | 南通大学 | Wire-cut electric discharge machining quality on-line monitoring and evaluating system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |