CN112719489A - Wire tensioning device special for linear cutting machine and linear cutting machine - Google Patents
Wire tensioning device special for linear cutting machine and linear cutting machine Download PDFInfo
- Publication number
- CN112719489A CN112719489A CN202011463942.5A CN202011463942A CN112719489A CN 112719489 A CN112719489 A CN 112719489A CN 202011463942 A CN202011463942 A CN 202011463942A CN 112719489 A CN112719489 A CN 112719489A
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- wire
- supporting seat
- sliding support
- cutting machine
- tensioning device
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- 238000005520 cutting process Methods 0.000 title claims abstract description 51
- 238000009763 wire-cut EDM Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract description 9
- 238000003860 storage Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
- B23H7/104—Wire tension control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Wire Processing (AREA)
Abstract
The invention provides a wire tensioning device special for a linear cutting machine and the linear cutting machine, wherein the wire tensioning device comprises: the supporting seat is fixed on a wire frame of the wire cutting machine tool; the sliding support is positioned below the supporting seat and can be assembled on the supporting seat in a vertically sliding mode relative to the supporting seat; and the guide wheel is assembled on the sliding support and moves up and down relative to the supporting seat along with the sliding support. The special wire tensioning device is better matched with a machine tool by improving the supporting seat on the special wire tensioning device, so that the constant tension of the molybdenum wire cutting wire is ensured; the special wire tensioning device for the automatic wire tensioning of the wire cutting machine tool is simple in structure and convenient to operate, and improves the cutting efficiency.
Description
Technical Field
The invention relates to the technical field of automatic wire tightening connecting devices of linear cutting machines, in particular to a special wire tightening device for a linear cutting machine and the linear cutting machine comprising the same.
Background
The linear cutting machine is divided into a fast wire-moving cutting machine, a medium wire-moving cutting machine and a slow wire-moving cutting machine according to the wire-moving mode. The fast wire-moving linear cutting machine tool is an original electric spark wire-moving cutting machining mode in China, is widely applied in China, adopts a reciprocating circulating wire-moving mode, has the main advantages of high production efficiency and low machining cost, but has some problems, and the accuracy and the roughness of machined parts are lower because the machine tool has high wire-moving speed and easily causes the problems of electrode wire loosening, wire breaking and the like.
The existing wire tensioning device on the market is provided with a weight type, a spring type and the like, the existing wire tensioning device of the DK7763 wire cutting machine is of the weight type, the tightness of a wire electrode is controlled by manually adding and subtracting a gravity block, the tension of the wire electrode cannot be constant due to the fact that the manually adding and subtracting the gravity block, the wire electrode is prone to being broken, the machining precision is poor and the like, the spring type wire tensioning device can well achieve the tension of the wire electrode to be constant and stable, but the spring type wire tensioning device sold on the market cannot be matched with the DK7763 wire cutting machine, and cannot be installed on the DK7763 wire cutting machine.
Disclosure of Invention
The invention provides a wire tensioning device special for a linear cutting machine and the linear cutting machine, which solve the technical problems that the conventional wire tensioning device of the DK7763 linear cutting machine is of a heavy hammer type, the tightness of a wire electrode is controlled by manually adding and subtracting a gravity block, the wire electrode is easy to break, the machining precision is poor and the like because the tension of the wire electrode cannot be constant by manually adding and subtracting the gravity block, and also solve the technical problems that spring type wire tensioning devices sold in the market cannot be matched with the DK7763 linear cutting machine and cannot be installed on the DK7763 linear cutting machine.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a special tight silk device of wire cut electrical discharge machining bed, includes:
the supporting seat is fixed on a wire frame of the wire cutting machine tool;
the sliding support is positioned below the supporting seat and can be assembled on the supporting seat in a vertically sliding mode relative to the supporting seat;
and the guide wheel is assembled on the sliding support and moves up and down relative to the supporting seat along with the sliding support.
In some of these embodiments, further comprising:
the two cylindrical step slide bars respectively penetrate through the through holes of the supporting seat correspondingly and are fixed on the bottom surface of the supporting seat;
and one end of the guide rod is fixed on the sliding support, the other end of the guide rod penetrates through a guide through hole formed in the bottom surface of the supporting seat, and the guide rod moves up and down along the guide through hole along with the sliding support.
In some of these embodiments, further comprising:
and the two upper springs are sleeved on the two cylindrical step sliding rods respectively and are positioned above the sliding support.
In some of these embodiments, further comprising: and the two lower springs are sleeved on the two cylindrical step slide bars respectively, are positioned below the sliding support and are provided with step stops at the bottoms of the two cylindrical step slide bars.
In some embodiments, the front surface of the supporting seat is in a U-shaped structure, and the U-shaped groove forms an avoidance space for the guide rod to move up and down.
In some embodiments, a buffer pad is further sleeved on two circular step sliding rods located between the sliding support and the lower spring.
The present invention also provides a wire cut electrical discharge machining apparatus comprising: bed body, silk frame still include: a dedicated filament tensioning device, said dedicated filament tensioning device further comprising:
the supporting seat is fixed on the wire frame;
the sliding support is positioned below the supporting seat and can be assembled on the supporting seat in a vertically sliding mode relative to the supporting seat;
and the guide wheel is assembled on the sliding support and moves up and down relative to the supporting seat along with the sliding support.
In some of these embodiments, further comprising:
the two cylindrical step slide bars respectively correspond to the through holes penetrating through the sliding support, are fixed on the bottom surface of the supporting seat and are positioned between the two upright posts of the wire frame;
and one end of the guide rod is fixed on the sliding support, the other end of the guide rod penetrates through a guide through hole formed in the bottom surface of the supporting seat, and the guide rod moves up and down along the guide through hole along with the sliding support.
In some of these embodiments, further comprising:
the two upper springs are sleeved on the two cylindrical step sliding rods respectively and are positioned above the sliding support;
the two lower springs are respectively sleeved on the two cylindrical step slide bars, are positioned below the sliding support and are stopped by the steps at the bottoms of the two cylindrical step slide bars;
and the two buffer gaskets are sleeved on the circular step slide rod and are positioned between the sliding support and the lower spring.
In some of these embodiments, further comprising: the front surface of the supporting seat is of a U-shaped structure, and the U-shaped groove forms an avoidance space for the guide rod to move up and down; and two side edges of the U-shaped groove are respectively matched with the two upright posts of the wire frame for fixation.
Compared with the prior art, the invention has the advantages and positive effects that:
the special wire tensioning device provided by the invention has the advantages that the supporting seat on the special wire tensioning device is improved, so that the special wire tensioning device is better matched with a machine tool, and the constant tension of a molybdenum wire cutting line is ensured; the special wire tensioning device for the automatic wire tensioning of the wire cutting machine tool is simple in structure and convenient to operate, and improves the cutting efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a wire tensioning device special for a linear cutting machine according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram illustrating an installation state of a wire tensioning device dedicated for a wire cutting machine according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a U-shaped supporting seat in the wire tensioning device for the wire cutting machine tool according to the embodiment of FIG. 1;
FIG. 4 is a schematic structural diagram illustrating an operating state of a wire cutting machine including the wire tensioning device of FIG. 1 according to an embodiment of the present invention;
wherein:
1. a special wire tightening device; 11. a supporting seat; 111. a through hole; 112. a guide through hole; 12. a sliding support; 13. a guide wheel; 14. a cylindrical step slide bar; 141. a step stop; 142. a cushion pad; 15. a guide bar; 16. an upper spring; 17. a lower spring; 113. a U-shaped groove; 2. a wire frame; 21. fastening screws; 22. a screw washer; 23. a first guide wheel; 24. a second guide wheel; 25. A third guide wheel; 26. a fourth guide wheel; 27. a fifth guide wheel; 28. a sixth guide wheel; 29. A wire guide tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The embodiment of the application provides a special tight silk device 1 of wire cut electrical discharge machining bed, includes: a support 11 fixed on the wire frame 2 of the linear cutting machine; the sliding support 12 is positioned below the supporting seat 11 and can be assembled on the supporting seat 11 in a vertically sliding manner relative to the supporting seat 11; and the guide wheel 13 is assembled on the sliding support 12 and moves up and down along with the sliding support 12 relative to the supporting seat 11.
Wherein, special tight silk device still includes: two cylindrical step sliding rods 14 respectively and correspondingly penetrate through the through holes 111 of the supporting seat 11 and are fixed on the bottom surface of the supporting seat 11; and one end of a guide rod 15 is fixed on the sliding support 12, the other end of the guide rod 15 passes through a guide through hole 112 arranged on the bottom surface of the supporting seat 11, and the guide rod 15 moves up and down along the guide through hole 112 along with the sliding support 12.
Wherein, special tight silk device still includes still that: and two upper springs 16 respectively sleeved on the two cylindrical step sliding rods 14 and positioned above the sliding support 12. And the two lower springs 17 are respectively sleeved on the two cylindrical step slide bars 14, are positioned below the sliding support 12, and are provided with step stops 141 at the bottoms of the two cylindrical step slide bars 14.
Specifically, the front surface of the supporting seat 11 is of a U-shaped structure, and the U-shaped groove 113 forms an avoidance space for the guide rod 15 to move up and down; a buffer pad 142 is further sleeved on the two circular step sliding rods 14 between the sliding support 12 and the lower spring 17.
The special wire tensioning device provided by the embodiment has the advantages that the supporting seat on the special wire tensioning device is improved to be better matched with a machine tool, so that the constant tension of the molybdenum wire cutting wire is ensured; the special wire tensioning device for the automatic wire tensioning of the wire cutting machine tool is simple in structure and convenient to operate, and improves the cutting efficiency.
Another embodiment of the present application provides a wire cut electrical discharge machining tool, including: bed body, silk frame 2, special tight silk device 1 is installed on the silk frame 2 of wire cut electrical discharge machining bed, is fixed in special tight silk device 1 on lathe silk frame 2 through tight silk ware fastening screw 21 and screw gasket 22, and wherein special tight silk device 1 further includes: a support 11 fixed on the frame 2; the sliding support 12 is positioned below the supporting seat 11 and can be assembled on the supporting seat 11 in a vertically sliding manner relative to the supporting seat 11; and the guide wheel 13 is assembled on the sliding support 12 and moves up and down along with the sliding support 12 relative to the supporting seat 11.
Wherein, this special tight silk device still includes:
two cylindrical step sliding rods 14 respectively and correspondingly penetrate through the through holes 111 of the supporting seat 11, are fixed on the bottom surface of the supporting seat 11, and are positioned between the two upright posts of the wire frame 2; a guide rod 15, one end of which is fixed on the sliding support 12, the other end of which passes through a guide through hole 112 arranged on the bottom surface of the supporting seat 11, the guide rod 15 moves up and down along the guide through hole 112 along with the sliding support 12,
further still include: two upper springs 16 respectively sleeved on the two cylindrical step slide bars 14 and located above the sliding support 12; the two lower springs 17 are respectively sleeved on the two cylindrical step slide bars 14, are positioned below the sliding support 12, and are stopped by the step 141 at the bottom of the two cylindrical step slide bars 14; two buffer pads 142, which are sleeved on the circular step slide bar 14 and are positioned between the slide support 12 and the lower spring 17; the front surface of the supporting seat 11 is in a U-shaped structure, and the U-shaped groove 113 forms an avoiding space for the guide rod 15 to move up and down; two side edges of the U-shaped groove 113 are respectively matched with two upright posts of the wire frame 2 for fixation.
Another embodiment of the present application provides a wire cut electrical discharge machining bed, further including: a filament storage barrel 3; a plurality of guide wheels; the molybdenum wire 4 is drawn out from the wire storage barrel 3, bypasses the guide wheel and is finally wound into the wire storage barrel 3.
The operation method of the wire cutting machine tool provided with the special wire tightening device 1 provided by the embodiment comprises the following steps:
before the linear cutting machine is started, an operator pulls the molybdenum wire 4 out of the wire storage barrel 3, bypasses the first guide wheel 23 and the second guide wheel 24 and continues to bypass the guide wheel 13 arranged on the sliding support 12 of the special wire tightening device 1;
the molybdenum wire 4 is wound back to the third guide wheel 25 on the machine tool wire frame 2 again, wound around the fourth guide wheel 26 and the fifth guide wheel 27, passes through a wire penetrating hole of the workpiece 51 on the linear cutting machine tool workbench 5, and is wound around the sixth guide wheel 28 in the wire guide pipe 29 of the linear cutting machine tool again and finally is wound into the wire storage barrel 3;
after the linear cutting machine is started, the wire storage barrel 3 reciprocates at a high speed in the process of cutting a workpiece, when the molybdenum wire 4 is loosened, the upper spring 16 in the special wire tightening device 1 extends to drive the guide wheel 13 on the sliding support 12 to move downwards to tighten the molybdenum wire 4, and vice versa, so that the molybdenum wire 4 keeps constant tension.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (10)
1. The utility model provides a special tight silk device of wire cut electrical discharge machining bed which characterized in that: the method comprises the following steps:
the supporting seat is fixed on a wire frame of the wire cutting machine tool;
the sliding support is positioned below the supporting seat and can be assembled on the supporting seat in a vertically sliding mode relative to the supporting seat;
and the guide wheel is assembled on the sliding support and moves up and down relative to the supporting seat along with the sliding support.
2. The special wire tensioning device for the wire cutting machine according to claim 1, characterized by further comprising:
the two cylindrical step slide bars respectively penetrate through the through holes of the supporting seat correspondingly and are fixed on the bottom surface of the supporting seat;
and one end of the guide rod is fixed on the sliding support, the other end of the guide rod penetrates through a guide through hole formed in the bottom surface of the supporting seat, and the guide rod moves up and down along the guide through hole along with the sliding support.
3. The special wire tensioning device for the wire cutting machine according to claim 2, characterized by further comprising:
and the two upper springs are sleeved on the two cylindrical step sliding rods respectively and are positioned above the sliding support.
4. The special wire tensioning device for the wire cutting machine according to claim 3, characterized by further comprising: and the two lower springs are sleeved on the two cylindrical step slide bars respectively, are positioned below the sliding support and are provided with step stops at the bottoms of the two cylindrical step slide bars.
5. The special wire tensioning device for the wire cutting machine according to claim 2, characterized by further comprising: the front surface of the supporting seat is of a U-shaped structure, and the U-shaped groove forms an avoiding space for the guide rod to move up and down.
6. The special wire tensioning device according to claim 5, wherein: and buffer gaskets are further sleeved on the two circular step sliding rods positioned between the sliding support and the lower spring.
7. A kind of linear cutting machine, characterized by: the method comprises the following steps: bed body, silk frame, its characterized in that includes: a dedicated filament tensioning device, said dedicated filament tensioning device further comprising:
the supporting seat is fixed on the wire frame;
the sliding support is positioned below the supporting seat and can be assembled on the supporting seat in a vertically sliding mode relative to the supporting seat;
and the guide wheel is assembled on the sliding support and moves up and down relative to the supporting seat along with the sliding support.
8. The wire electric discharge machine according to claim 7, characterized by further comprising:
the two cylindrical step slide bars respectively correspond to the through holes penetrating through the sliding support, are fixed on the bottom surface of the supporting seat and are positioned between the two upright posts of the wire frame;
and one end of the guide rod is fixed on the sliding support, the other end of the guide rod penetrates through a guide through hole formed in the bottom surface of the supporting seat, and the guide rod moves up and down along the guide through hole along with the sliding support.
9. The wire electric discharge machine according to claim 8, characterized by further comprising:
the two upper springs are sleeved on the two cylindrical step sliding rods respectively and are positioned above the sliding support;
the two lower springs are respectively sleeved on the two cylindrical step slide bars, are positioned below the sliding support and are stopped by the steps at the bottoms of the two cylindrical step slide bars;
and the two buffer gaskets are sleeved on the circular step slide rod and are positioned between the sliding support and the lower spring.
10. The wire electric discharge machine according to claim 8, characterized by further comprising: the front surface of the supporting seat is of a U-shaped structure, and the U-shaped groove forms an avoidance space for the guide rod to move up and down; and two side edges of the U-shaped groove are respectively matched with the two upright posts of the wire frame for fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463942.5A CN112719489B (en) | 2020-12-11 | 2020-12-11 | Wire tightening device special for wire cutting machine tool and wire cutting machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463942.5A CN112719489B (en) | 2020-12-11 | 2020-12-11 | Wire tightening device special for wire cutting machine tool and wire cutting machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112719489A true CN112719489A (en) | 2021-04-30 |
| CN112719489B CN112719489B (en) | 2024-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011463942.5A Active CN112719489B (en) | 2020-12-11 | 2020-12-11 | Wire tightening device special for wire cutting machine tool and wire cutting machine tool |
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| CN (1) | CN112719489B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203254023U (en) * | 2013-01-30 | 2013-10-30 | 南通伊阳精密机械有限公司 | Tension adjustable devices of linear cutting machine |
| CN205218239U (en) * | 2015-11-12 | 2016-05-11 | 东莞精诚数控科技有限公司 | Wire cut electrical discharge machining of automatic tight silk device in area |
| CN206047280U (en) * | 2016-08-31 | 2017-03-29 | 苏州万立精密机械有限公司 | A kind of novel high-precision spark cutting machine |
| CN106624227A (en) * | 2017-03-14 | 2017-05-10 | 常迎斌 | Physical self-weight wire tightener of linear cutting machine tool |
| CN110181133A (en) * | 2019-06-21 | 2019-08-30 | 安阳市泰瑞机械加工有限责任公司 | A kind of automatic tensioning mechanism of wire cutting machine |
| CN211438472U (en) * | 2019-11-06 | 2020-09-08 | 浙江能兴电气科技有限公司 | Molybdenum wire tension adjusting device of wire cut electrical discharge machine |
| CN211991307U (en) * | 2020-04-22 | 2020-11-24 | 利科机电设备(深圳)有限公司 | High-stability wire feeding device of linear cutting machine |
-
2020
- 2020-12-11 CN CN202011463942.5A patent/CN112719489B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203254023U (en) * | 2013-01-30 | 2013-10-30 | 南通伊阳精密机械有限公司 | Tension adjustable devices of linear cutting machine |
| CN205218239U (en) * | 2015-11-12 | 2016-05-11 | 东莞精诚数控科技有限公司 | Wire cut electrical discharge machining of automatic tight silk device in area |
| CN206047280U (en) * | 2016-08-31 | 2017-03-29 | 苏州万立精密机械有限公司 | A kind of novel high-precision spark cutting machine |
| CN106624227A (en) * | 2017-03-14 | 2017-05-10 | 常迎斌 | Physical self-weight wire tightener of linear cutting machine tool |
| CN110181133A (en) * | 2019-06-21 | 2019-08-30 | 安阳市泰瑞机械加工有限责任公司 | A kind of automatic tensioning mechanism of wire cutting machine |
| CN211438472U (en) * | 2019-11-06 | 2020-09-08 | 浙江能兴电气科技有限公司 | Molybdenum wire tension adjusting device of wire cut electrical discharge machine |
| CN211991307U (en) * | 2020-04-22 | 2020-11-24 | 利科机电设备(深圳)有限公司 | High-stability wire feeding device of linear cutting machine |
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| CN112719489B (en) | 2024-09-24 |
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