CN102327977A - Multi-punching-head punching structure - Google Patents
Multi-punching-head punching structure Download PDFInfo
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- CN102327977A CN102327977A CN201110191638A CN201110191638A CN102327977A CN 102327977 A CN102327977 A CN 102327977A CN 201110191638 A CN201110191638 A CN 201110191638A CN 201110191638 A CN201110191638 A CN 201110191638A CN 102327977 A CN102327977 A CN 102327977A
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Abstract
The invention discloses a multi-punching-head punching structure, which comprises an upper template and a lower template for fixing a punching workpiece, wherein the upper template is provided with a plurality of different punching head groups for punching the punching workpiece fixed by the lower template; each punching head group comprises more than one punching head; punching heads belonging to the same punching head group have the same free stroke; punching heads of different punching head groups have different free strokes; and each free stroke refers to the vertical distance between a start point where punching of a punching head blade is started and an end point where the punching head blade is contacted with the punching workpiece fixed by the lower template. The invention has the advantages that: the punching heads of different punching head groups have inconsistent contact time with the punching workpiece, so that load provided by the tonnage of punching equipment in which the structure is used is concentrated on one or more punching heads which are contacted with the punching workpiece at a certain moment instead of being dispersed on all punching heads, and relatively large punching load required by punching can be provided even by smaller tonnage.
Description
Technical field
The present invention relates to a kind of structure of diel, relate generally to a kind of many drifts punching structure.
Background technology
Punch process is a kind of means of Metal Forming commonly used, and it mainly gives drift by means of equipment certain impulse force makes the cutting edge of drift contact with stamped workpieces, makes it that corresponding plastic deformation take place, thereby reaches the purpose of processing.In existing punch process; When the horizontal plane of stamped workpieces is carried out punching and trimming; Generally all adopt the identical many drift processing of cutting edge height; So the cutting edge of a plurality of drifts contacts with the horizontal plane of stamped workpieces simultaneously, and the punching press load that provide through the pressing equipment tonnage this moment is by average each drift cutting edge that is distributed in.When needing the comparatively thick and heavy stamped workpieces of punching press, in order can just to need to use the large-tonnage pressing equipment for each drift provide sufficient punching press load, and the large-tonnage pressing equipment often cost is higher, increased the financial burden of enterprise undoubtedly.
Summary of the invention
For solving the deficiency of prior art, the object of the present invention is to provide a kind of many drifts punching structure that can effectively reduce the pressing equipment tonnage.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Many drifts punching structure; Comprise cope match-plate pattern and the lower bolster that is used for fixing stamped workpieces; It is characterized in that; Above-mentioned cope match-plate pattern is provided with a plurality of different drift groups of carrying out punching press to the fixing stamped workpieces of lower bolster of being used for, and each above-mentioned drift group comprises more than one drift, and the free stroke of drift that belongs to above-mentioned same drift group is identical; The drift of different above-mentioned drift groups has different free strokes, and above-mentioned free stroke is the drift cutting edge to begin to be stamped into starting point, to be the vertical range that terminal point was passed through to touch the stamped workpieces that above-mentioned cope match-plate pattern fixed.
Aforesaid many drifts punching structure; It is characterized in that; Also comprise the stripper plate with above-mentioned lower bolster matching and fixing stamped workpieces that is used for that is arranged between above-mentioned cope match-plate pattern and the lower bolster; The lower surface of above-mentioned stripper plate and the upper surface of above-mentioned lower bolster are horizontal plane, and the position of the corresponding above-mentioned drift of above-mentioned stripper plate is provided with the through hole that supplies above-mentioned drift to pass through; The cutting edge of the drift of different above-mentioned drift groups is positioned on the different horizontal face.
Aforesaid many drifts punching structure is characterized in that, above-mentioned cope match-plate pattern also is provided with and is used for the chock that contacts with above-mentioned stripper plate.
Aforesaid many drifts punching structure is characterized in that, two adjacent above-mentioned drifts belong to different above-mentioned drift groups.
Aforesaid many drifts punching structure is characterized in that, above-mentioned each drift group only has a drift.
Usefulness of the present invention is: the time that the drift of different drift groups contacts with stamped workpieces is inconsistent; So using the load that tonnage provided of the pressing equipment of this structure is not to be dispersed on all drifts; But a certain moment concentrate on one or several drift that contacts with stamped workpieces, even less like this tonnage also can provide the big relatively punching press load that can satisfy the punching press needs.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment of many drifts punching structure of the present invention;
Fig. 2 is the structural representation of drift among the embodiment shown in Figure 1.
The implication of Reference numeral among the figure: 1, cope match-plate pattern, 2, stamped workpieces, 3, lower bolster, 4, drift, 4a, cutting edge, 5, stripper plate, 6, through hole, 7, chock,
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done concrete introduction.
Fig. 1 is the structural representation of a preferred embodiment of many drifts punching structure of the present invention; Fig. 2 is the structural representation of drift among the embodiment shown in Figure 1.
Below be example with the technical scheme shown in Fig. 1, the present invention is done detailed explanation.
As shown in Figure 1; Many drifts punching structure of the present invention comprises: cope match-plate pattern 1 and the lower bolster 3 that is used for fixing stamped workpieces 2; It is characterized in that; Cope match-plate pattern 1 is provided with a plurality of different drift groups of carrying out punching press to lower bolster 3 fixing stamped workpieces 2 of being used for, and the drift group of each comprises more than one drift 4, and the free stroke of drift 4 that belongs to same drift group is identical; The drift of different drift groups has different free strokes, and free stroke is that the cutting edge 4a of drift is to begin to be stamped into starting point, to be the vertical range that terminal point was passed through to touch the stamped workpieces 2 that cope match-plate pattern fixed.
As shown in Figure 2, the cutting edge 4a of drift 4 is meant that drift 4 touches the part of stamped workpieces 2 at first when punching press.The essence implication of above-mentioned free stroke just is meant the cutting edge 4a of drift 4 after the beginning punching press, and during to contact stamped workpieces 2, this section that is passed through do not have the vertical range of resistance.Different free stroke explanations; The time that the drift 4 of different drift groups contacts with stamped workpieces 2 is inconsistent; So using the load that tonnage provided of the pressing equipment of this structure is not to be dispersed on all drifts 4; But a certain moment concentrate on one or several drift 4 that contacts with stamped workpieces 2, even less like this tonnage also can provide the big relatively load that can satisfy the punching press needs.Pass through or half dash when passing through when the drift 4 of at first contact dashes stamped workpieces 2, drift 4 suffered resistances obtain discharging or part discharges, the drift 4 of other back contacts can when contact, obtain enough big load again.
As shown in Figure 1; As a kind of preferred version; Many drifts punching structure of the present invention also comprises: be arranged on the stripper plate 5 with lower bolster 3 matching and fixing stamped workpieces 2 that is used between cope match-plate pattern 1 and the lower bolster 3; The upper surface of the lower surface of stripper plate 5 and lower bolster 3 is a horizontal plane, and the position of stripper plate 5 corresponding drifts 4 is provided with the through hole 6 that supplies drift 4 to pass through; The cutting edge 4a of the drift 4 of different drift groups is positioned on the different horizontal face.
The foregoing description; Be in order to process the stamped workpieces of slab construction; So fixedly the lower surface of the stripper plate 5 of stamped workpieces 2 and the upper surface of lower bolster 3 all are horizontal planes to be used for clamping; So, as long as the cutting edge 4a of the drift 4 of different drift groups on the different horizontal face, just can realize the free stroke difference of the drift 4 of foregoing different drift groups.
As a kind of preferred version, two adjacent above-mentioned drifts belong to different above-mentioned drift groups.The purpose of doing like this is, for the drift 4 that guarantees different drift groups load change when the punching press is tending towards on average, not on the same group the drift 4 that promptly in the adjacent time period, comes in contact with stamped workpieces 2 in succession in addition is tending towards in the space disperseing.
As a kind of preferred version, cope match-plate pattern 1 also is provided with and is used for the chock 7 that contacts with above-mentioned stripper plate 5, and the effect of chock 7 is after accomplishing the punching press action, in time to stop the downward action of drift 4 and cope match-plate pattern 1.
As preferred version in, as shown in Figure 1, each drift group only has a drift 4.
The foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in protection scope of the present invention.
Claims (5)
1. many drifts punching structure; Comprise cope match-plate pattern and the lower bolster that is used for fixing stamped workpieces; It is characterized in that; Above-mentioned cope match-plate pattern is provided with a plurality of different drift groups of carrying out punching press to the fixing stamped workpieces of lower bolster of being used for, and each above-mentioned drift group comprises more than one drift, and the free stroke of drift that belongs to above-mentioned same drift group is identical; The drift of different above-mentioned drift groups has different free strokes, and above-mentioned free stroke is the drift cutting edge to begin to be stamped into starting point, to be the vertical range that terminal point was passed through to touch the stamped workpieces that above-mentioned cope match-plate pattern fixed.
2. many drifts punching structure according to claim 1; It is characterized in that; Also comprise the stripper plate with above-mentioned lower bolster matching and fixing stamped workpieces that is used for that is arranged between above-mentioned cope match-plate pattern and the lower bolster; The lower surface of above-mentioned stripper plate and the upper surface of above-mentioned lower bolster are horizontal plane, and the position of the corresponding above-mentioned drift of above-mentioned stripper plate is provided with the through hole that supplies above-mentioned drift to pass through; The cutting edge of the drift of different above-mentioned drift groups is positioned on the different horizontal face.
3. many drifts punching structure according to claim 2 is characterized in that, above-mentioned cope match-plate pattern also is provided with and is used for the chock that contacts with above-mentioned stripper plate.
4. many drifts punching structure according to claim 1 and 2 is characterized in that, two adjacent above-mentioned drifts belong to different above-mentioned drift groups.
5. many drifts punching structure according to claim 4 is characterized in that, above-mentioned each drift group only has a drift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110191638A CN102327977A (en) | 2011-07-08 | 2011-07-08 | Multi-punching-head punching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110191638A CN102327977A (en) | 2011-07-08 | 2011-07-08 | Multi-punching-head punching structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102327977A true CN102327977A (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110191638A Pending CN102327977A (en) | 2011-07-08 | 2011-07-08 | Multi-punching-head punching structure |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256979A (en) * | 1999-12-17 | 2000-06-21 | 清华大学 | Design method for multi former block single-process continuous cutting die |
| WO2006001329A1 (en) * | 2004-06-25 | 2006-01-05 | Amada Company, Limited | Punch mold |
| CN201644622U (en) * | 2010-03-05 | 2010-11-24 | 宁波沪甬电力器材股份有限公司 | Multi-punch head die for punch press |
| CN202146948U (en) * | 2011-07-08 | 2012-02-22 | 昆山飞宇精密模具有限公司 | Punching structure with multiple punching heads |
-
2011
- 2011-07-08 CN CN201110191638A patent/CN102327977A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1256979A (en) * | 1999-12-17 | 2000-06-21 | 清华大学 | Design method for multi former block single-process continuous cutting die |
| WO2006001329A1 (en) * | 2004-06-25 | 2006-01-05 | Amada Company, Limited | Punch mold |
| CN201644622U (en) * | 2010-03-05 | 2010-11-24 | 宁波沪甬电力器材股份有限公司 | Multi-punch head die for punch press |
| CN202146948U (en) * | 2011-07-08 | 2012-02-22 | 昆山飞宇精密模具有限公司 | Punching structure with multiple punching heads |
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Application publication date: 20120125 |