CN102248076B - Deburring die for numerical control turret punch press - Google Patents
Deburring die for numerical control turret punch press Download PDFInfo
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- CN102248076B CN102248076B CN 201110157484 CN201110157484A CN102248076B CN 102248076 B CN102248076 B CN 102248076B CN 201110157484 CN201110157484 CN 201110157484 CN 201110157484 A CN201110157484 A CN 201110157484A CN 102248076 B CN102248076 B CN 102248076B
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Abstract
The invention relates to a deburring die for a numerical control turret punch press. The die comprises an upper die and a lower die, wherein an upper die rod is in a stepped cylinder shape with a small upper part and a large lower part; the middle part of the upper die rod is provided with a conical surface for connecting the upper part with the lower part in a transition mode; a die nut, an upper die spring and a spring seat are sleeved on the upper part of the upper die rod from top to bottom in turn; the die nut is screwed at the upper end of the upper die rod and presses the upper die spring; the lower end of the upper die spring is supported on a convex ring of the spring seat; the lower end face of the spring seat is supported on the conical surface on the middle part of the upper die rod; the lower side of the convex ring of the spring seat is supported on a flange at the upper port of a guide sleeve; the lower part of the upper die rod is inserted into the guide sleeve and can move up and down along an inner hole of the guide sleeve; an upper ball is embedded in the center of the lower end face of the guide sleeve; the lower die comprises a lower die seat and a lower ball; the lower ball is embedded in the center of the upper end face of the lower die seat; and the upper ball and the lower ball are positioned on the axes of the upper die and the lower die. The die has a high deburring speed, does not generate iron scrap or dust, and can walk along any edge of a punched hole.
Description
Technical field
The present invention relates to a kind of deburring die for numerical control turret punch press, belong to the numerical control machine tool technique field.
Background technology
NC turret punch machine is as cold machining machine tool, mainly carry out the work such as punching, moulding, side cut, little bending, tapping of sheet metal component, owing to must leave between upper/lower die with thickness of slab and a certain proportion of gap be arranged to guarantee that patrix withdraws from from sheet material, so the burr of certain altitude is arranged around the sheet material following table face after the punching.Some need to be removed the burr on punching limit the demanding operating mode of sheet material crudy, and way is with polishing machine burr to be ground off after sheet material processing usually.
There is following weak point in the way that grinds off burr with polishing machine: (1) is compared with punching, and the size of rubbing head is too large, causes rubbing head actual area that is ground to when sanding is stung larger, and the polishing vestige of namely leaving over is larger, has affected the surface quality of sheet material; (2) manually-operated is difficult to unification, and the surface quality after the polishing is inconsistent; There are a large amount of iron filings and frosted powder to produce when (3) sanding is stung, are unfavorable for the healthy of operative employee and affect environmental quality.
Summary of the invention
The object of the invention is to, overcome problems of the prior art, a kind of deburring die for numerical control turret punch press is provided, need not grinding burr can be removed, the iron-free crumbs powder produces.
For solving above technical problem, deburring die for numerical control turret punch press provided by the present invention comprises the upper die and lower die that have an axis; Described patrix comprises tringle, patrix spring, mould nut, spring base and guide pin bushing, and it is cylindric that described upper tringle is presented little lower large ladder, and the middle part of described upper tringle is provided with the taper seat that the upper and lower transition is connected; Described mould nut, patrix spring and spring base are sleeved on the top of described upper tringle from top to bottom successively, described mould nut is screwed in the upper end of described upper tringle with described patrix spring compression, the lower end of described patrix spring is supported on the flange collar of described spring base, the lower surface of described spring base is supported on the taper seat at described upper tringle middle part, and the supported underneath of described spring base flange collar is on the upper port flange of described guide pin bushing; The bottom of described upper tringle is inserted in the described guide pin bushing and can moves up and down along the guide pin bushing endoporus, and the center, lower surface of described guide pin bushing is embedded with ball; Described counterdie comprises die shoe and lower ball, and described lower ball is inlaid in the center, upper surface of described die shoe, and described upper ball and lower ball all are positioned on the axis of described upper die and lower die.
With respect to prior art, the present invention has obtained following beneficial effect: after punching plates is complete, patrix is installed on the mould support spring of upper capstan head respective mode position of NC turret punch machine, the mould support spring housing is in the periphery of guide pin bushing and be supported on below the flange of guide pin bushing upper port; On the other hand counterdie is installed on the corresponding mould with patrix of the lower capstan head position, lower ball is pressed on the lower limb line of punching plates, and upper ball is aimed at the top edge line of punching plates and remained on the same axis line with lower ball; Attacking head hits also depresses the mould nut, because the tension force of patrix spring is much larger than the mould support spring, so the mould support spring is compressed, and patrix integral body moves down; When upper ball was pressed on the top edge line of punching plates, upper ball, guide pin bushing and spring base stopped, and mould nut and upper tringle are pushed down by attacking head and continued to move down, and the patrix spring is compressed, when the patrix spring be compressed into a certain amount of after attacking head keep stopping; Sheet material lower surface punching burrs on edges is because the compression stress of patrix spring, pushed by lower ball, micro-chamfering appears in bore edges, sheet material is dragged by digital controlled rotary turret puncher pincer clamp, along punching edge orbiting motion, upper ball and lower ball just continue extruding with the burr at punching edge, after the burr at whole punchings edge all pushed end, attacking head lifted, and the patrix spring discharges decrement, upper tringle and guide pin bushing relative sliding, the mould nut moves up with upper tringle, until the conical surface of spring base lower port stops when contacting with the conical surface at upper tringle middle part, patrix is under the elastic force effect of mould support spring, return to original state, wait for entering next time working cycles.Use this Burr removal mold, can automatically realize deburring function, speed is fast, difficulty action accomplishment is good, does not produce the iron filings dust, can be along punching any edge walking, the hole shape no requirement (NR) liquidates, when being carried out deburring, different-thickness sheet material do not need to regulate the attacking head stop position, because the patrix spring has corresponding decrement to different thicknesss of slab, easy to use.
As improvement of the present invention, the upper port inwall of described guide pin bushing is provided with interior seal groove, and the periphery of described spring base and the corresponding position of described interior seal groove are provided with the external seal groove, are embedded with O type circle in described interior seal groove and the described external seal groove.O type circle can prevent that tringle from freely skidding off from guide pin bushing, during dismounting, need to pull out upper tringle with certain strength, forces the distortion of O type circle to come off from the groove of guide pin bushing, upper tringle could be extracted from guide pin bushing.
As preferred version of the present invention, described patrix spring is cylindrical spring.The warp tension ratio of cylindrical spring is larger, so that ball acts on the pressure at punching edge is also larger, burr is removed more thorough.
As preferred version of the present invention, the lower circumference of described upper tringle is provided with oil groove.Pass into lubricating oil in the oil groove, can make the more freely motion in guide pin bushing of patrix bar, reduce wearing and tearing.
Description of drawings
Fig. 1 is the front view of deburring die for numerical control turret punch press of the present invention.
Fig. 2 is the three-dimensional exploded view of deburring die for numerical control turret punch press of the present invention.
Among the figure: 1. the mould nut, 2. the patrix spring, 3. go up tringle, 3a. oil groove, 4. spring base, 5.O type circle, 6. guide pin bushing, 7. go up ball, 8. play ball, 9. die shoe.
The specific embodiment
As shown in Figures 1 and 2, deburring die for numerical control turret punch press of the present invention comprises the upper die and lower die that have an axis; Patrix comprises tringle 3, patrix spring 2, mould nut 1, spring base 4 and guide pin bushing 6, and it is cylindric that upper tringle 3 is up-small and down-big ladder, and the middle part of upper tringle 3 is provided with the taper seat that the upper and lower transition is connected; Mould nut 1, patrix spring 2 and spring base 4 are sleeved on the top of tringle 3 from top to bottom successively, the upper end that mould nut 1 is screwed in tringle 3 compresses patrix spring 2, the lower end of patrix spring 2 is supported on the flange collar of spring base 4, the lower surface of spring base 4 is supported on the taper seat at tringle 3 middle parts, and the supported underneath of spring base flange collar is on the upper port flange of guide pin bushing 6; The bottom of upper tringle 3 is inserted in the guide pin bushing 6 and can moves up and down along the guide pin bushing endoporus, and the center, lower surface of guide pin bushing 6 is embedded with ball 7; Counterdie comprises die shoe 9 and lower ball 8, and lower ball 8 is inlaid in the center, upper surface of die shoe 9.Upper ball 7 all is positioned on the axis of upper die and lower die with lower ball 8, all can only roll in the ball bowl, but can not drop out.
The upper port inwall of guide pin bushing 6 is provided with interior seal groove, and the periphery of spring base 4 and the corresponding position of interior seal groove are provided with the external seal groove, are embedded with O type circle 5 in interior seal groove and the external seal groove.O type circle 5 can prevent that tringle 3 from freely skidding off from guide pin bushing 6, during dismounting, need to pull out upper tringle 3 with certain strength, forces 5 distortion of O type circle to come off from the groove of guide pin bushing 6, upper tringle 3 could be extracted from guide pin bushing 6.
The patrix spring 2 preferred cylindrical springs that adopt, the lower circumference of upper tringle 3 is provided with oil groove 3a, passes into lubricating oil among the oil groove 3a, in order to make tringle 3 more freely motion in guide pin bushing 6, reduces wearing and tearing.
After punching plates is complete, patrix is installed on the mould support spring of upper capstan head respective mode position of NC turret punch machine, the mould support spring housing is in the periphery of guide pin bushing 6 and be supported on below the flange of guide pin bushing upper port; On the other hand counterdie is installed on the corresponding mould with patrix of the lower capstan head position, lower ball 8 is pressed on the lower limb line of punching plates, and upper ball 7 is aimed at the top edge line of punching plates and remained on the same axis line with lower ball 8.
Attacking head hits also depresses mould nut 1, because the tension force of patrix spring 2 is much larger than the mould support spring, so the mould support spring is compressed, and patrix integral body moves down; When upper ball 7 is pressed on the top edge line of punching plates, upper ball 7, guide pin bushing 6 and spring base 4 stop, mould nut 1 and upper tringle 3 are pushed down by attacking head and are continued to move down, and patrix spring 2 is compressed, when patrix spring 2 be compressed into a certain amount of after attacking head keep stopping.
Sheet material lower surface punching burrs on edges is because the compression stress of patrix spring 2, by lower ball 8 extruding, micro-chamfering appears in bore edges, and sheet material is dragged by digital controlled rotary turret puncher pincer clamp, along punching edge orbiting motion, upper ball 7 and lower ball 8 just continue extruding with the burr at punching edge; After the burr at whole punchings edge all pushes end, attacking head lifts, patrix spring 2 discharges decrement, upper tringle 3 and guide pin bushing 6 relative slidings, mould nut 1 moves up with upper tringle 3, until the conical surface of spring base 4 lower port stops when contacting with the conical surface at upper tringle 3 middle parts, patrix is under the elastic force effect of mould support spring, return to original state, wait for entering next time working cycles.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (4)
1. a deburring die for numerical control turret punch press is characterized in that: comprise the upper die and lower die that have an axis; Described patrix comprises tringle, patrix spring, mould nut, spring base and guide pin bushing, and it is cylindric that described upper tringle is presented little lower large ladder, and the middle part of described upper tringle is provided with the taper seat that the upper and lower transition is connected; Described mould nut, patrix spring and spring base are sleeved on the top of described upper tringle from top to bottom successively, described mould nut is screwed in the upper end of described upper tringle with described patrix spring compression, the lower end of described patrix spring is supported on the flange collar of described spring base, the lower surface of described spring base is supported on the taper seat at described upper tringle middle part, and the supported underneath of described spring base flange collar is on the upper port flange of described guide pin bushing; The bottom of described upper tringle is inserted in the described guide pin bushing and can moves up and down along the guide pin bushing endoporus, and the center, lower surface of described guide pin bushing is embedded with ball; Described counterdie comprises die shoe and lower ball, and described lower ball is inlaid in the center, upper surface of described die shoe, and described upper ball and lower ball all are positioned on the axis of described upper die and lower die.
2. deburring die for numerical control turret punch press according to claim 1, it is characterized in that: the upper port inwall of described guide pin bushing is provided with interior seal groove, the periphery of described spring base and the corresponding position of described interior seal groove are provided with the external seal groove, are embedded with O type circle in described interior seal groove and the described external seal groove.
3. deburring die for numerical control turret punch press according to claim 1 and 2, it is characterized in that: described patrix spring is cylindrical spring.
4. deburring die for numerical control turret punch press according to claim 1, it is characterized in that: the lower circumference of described upper tringle is provided with oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110157484 CN102248076B (en) | 2011-06-13 | 2011-06-13 | Deburring die for numerical control turret punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110157484 CN102248076B (en) | 2011-06-13 | 2011-06-13 | Deburring die for numerical control turret punch press |
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| Publication Number | Publication Date |
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| CN102248076A CN102248076A (en) | 2011-11-23 |
| CN102248076B true CN102248076B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110157484 Active CN102248076B (en) | 2011-06-13 | 2011-06-13 | Deburring die for numerical control turret punch press |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489611B (en) * | 2011-12-15 | 2013-11-06 | 扬州恒德模具有限公司 | Mold for removing burrs on edge of plate on numerical control punching machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3803449B2 (en) * | 1997-03-24 | 2006-08-02 | 株式会社アマダ | Die device for punching |
| CN2449832Y (en) * | 2000-10-08 | 2001-09-26 | 王国策 | Improved perforating die of cloth band perforating machine |
| CN201120738Y (en) * | 2007-11-16 | 2008-09-24 | 广州市启泰模具工业有限公司 | Upper mould beating end composite set for numerical control press mold |
| CN201493393U (en) * | 2009-08-31 | 2010-06-02 | 扬州恒德模具有限公司 | Rib rolling mould |
| CN201524727U (en) * | 2009-09-15 | 2010-07-14 | 李智勇 | Numerical control turret punching die |
| CN201669337U (en) * | 2010-05-10 | 2010-12-15 | 李智勇 | Digital turret punch die |
| CN202129357U (en) * | 2011-06-13 | 2012-02-01 | 江苏金方圆数控机床有限公司 | Deburring die for a numerical control turrent punch press |
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| CN102248076A (en) | 2011-11-23 |
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