CN203804036U - Blanking trimming die for car body covering part - Google Patents

Blanking trimming die for car body covering part Download PDF

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Publication number
CN203804036U
CN203804036U CN201420081927.8U CN201420081927U CN203804036U CN 203804036 U CN203804036 U CN 203804036U CN 201420081927 U CN201420081927 U CN 201420081927U CN 203804036 U CN203804036 U CN 203804036U
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China
Prior art keywords
die
trimming
deburring
cutting knife
nitrogen spring
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CN201420081927.8U
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Chinese (zh)
Inventor
魏国哲
常新
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Abstract

The utility model provides a blanking trimming die for a car body covering part, and aims at solving the problems of high manufacturing cost and poor working stability of the existing blanking trimming die for the car body covering part. The blanking trimming die comprises a trimming concave die assembly, a trimming convex die assembly and a scrap cutter; the trimming concave die assembly comprises a trimming concave die body, a nitrogen spring and a floating cutter, wherein the trimming concave die body and the nitrogen spring are both mounted on an upper die seat; a concave die trimming blade is arranged at the inner side of the bottom surface of the trimming concave die body; the nitrogen spring is assembled to the floating cutter. The blanking trimming die is characterized in that the trimming concave die body is of an integrated structure and provided with a cavity in which the floating cutter moves up and down; the cavity is internally sleeved with the floating cutter. With the adoption of the blanking trimming die for the car body covering part, the tool blanking trimming precision is improved, the product appearance quality is ensured, and the manufacturing cost is also decreased.

Description

A kind of automobile body covering piece stamping-out Trimming Die
Technical field
The utility model relates to a kind of stamping-out Trimming Die, and especially a kind of stamping-out Trimming Die that is applicable to automobile body covering piece, belongs to metallic plate punching technical field.
Background technology
In automobile body covering piece Sheet Metal Forming Technology flow process, stamping-out deburring is to affect one of critical process of product exterior quality, particularly for large-scale coverings such as engine compartment cover, ceiling cover plates, because the waste material size producing after its deburring is larger, for guaranteeing deburring waste material, can successfully from stamping-out lathe, discharge, avoid product surface to cause scuffing, need to when carrying out stamping-out deburring, waste material be punched to some sections.
The deburring die of existing automobile body covering piece stamping-out Trimming Die is Split type structure, the unsteady cutting knife of splicing between two adjacent deburring dies, and utilize one of them deburring die spacing to the cutting knife that floats, to limit the stroke of the cutting knife that floats.This Trimming Die drives the cutting knife that floats to move by upper bolster, nitrogen spring, and the cutting knife that makes to float first coordinates with the deburring punch being fixed on die shoe the continuous stamping deburring realizing workpiece, and then has coordinated waste material rupturing operation with scrap cutter.Because this unsteady cutting knife assembling mode need be after deburring die splicing assembling, processing is the unsteady cutting knife mounting groove of coupling mutually, has improved Trimming Die to the requirement of machining accuracy and manufacturing cost; The deburring die of Split type structure is affected by assembly precision simultaneously, has the problem of stamping-out less stable; When the cutting knife that floats is keeped in repair, must first dismantle and there is the deburring die of position-limiting action in addition, increase the difficulty of floating tooling dismounting.
Utility model content
The purpose of this utility model is the drawback for prior art, provide a kind of simple in structure, be convenient to detachable maintaining, can improve workpiece stamping-out deburring precision, guarantee product appearance quality, can reduce again the automobile body covering piece stamping-out Trimming Die of self manufacturing cost.
Problem described in the utility model realizes with following technical proposals:
A kind of automobile body covering piece stamping-out Trimming Die, it comprises deburring die assembly, deburring punch assemblies and scrap cutter, described deburring die assembly comprises deburring die body, nitrogen spring and unsteady cutting knife, described deburring die body and nitrogen spring are installed on upper bolster, inner side, bottom surface at deburring die body arranges die trimming edge, described nitrogen spring and unsteady cutting knife are equipped, its special feature is: described deburring die body is monolithic construction, it is provided with for the up and down cavity of cutting knife that floats, described unsteady cutting knife is sleeved in described cavity.
Above-mentioned automobile body covering piece stamping-out Trimming Die, described cavity is inner side unenclosed construction, side opening position arranges limited block within it.
Above-mentioned automobile body covering piece stamping-out Trimming Die, described unsteady cutting knife is rectangular structure, the fixing assembling in its end face and nitrogen spring lower surface, in its inner side, bottom surface, the cutting knife trimming edge that floats is set, the guide runner mating with described limited block is set on side within it, in other three sides, guide plate is all set.
Above-mentioned automobile body covering piece stamping-out Trimming Die, described nitrogen spring is when non-compressed state, and the unsteady cutting knife trimming edge that unsteady cutting knife is in its lower section installed is concordant with the die trimming edge of deburring die body.
Above-mentioned automobile body covering piece stamping-out Trimming Die, described deburring punch assemblies is fixed on die shoe, at it, with the periphery position that deburring die assembly coordinates, punch trimming edge is set.
Above-mentioned automobile body covering piece stamping-out Trimming Die, described scrap cutter is fixed on die shoe, waste material is set in its side and cuts off cutting edge.
The utility model is when carrying out workpiece stamping-out deburring operation, first deburring die body, nitrogen spring and unsteady cutting knife are descending with upper bolster, by the die trimming edge of deburring die,, the punch trimming edge of float cutting knife trimming edge and deburring punch coordinates, workpiece border waste material is cut off; Then upper bolster continues descending, compressed nitrogen spring after scrap cutter upper surface contacts with unsteady cutting knife, the cutting knife that floats moves upward under guide plate, guide runner, limited block guide effect in deburring die cavity, until the waste material of deburring die and waste knife cuts off cutting edge, coordinate waste material cut-out, complete workpiece stamping-out deburring operation.Because the utility model adopts integrally-built deburring die, workpiece stamping-out deburring precision is improved, stamping-out process stability strengthens, the life-span of having improved unsteady cutting knife; The utility model arranges limited block at the cavity opening of deburring die body simultaneously, the restriction of realization to the cutting knife stroke that floats, therefore when the cutting knife that floats is keeped in repair, by dismounting limited block, get final product the cutting knife that will float and dismantle, reduced the difficulty of floating tooling dismounting.In a word, the utility model not only improved the deburring of workpiece stamping-out precision, guaranteed product appearance quality, and reduced self manufacturing cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the utility model assembly structure schematic diagram;
Fig. 2 is the blast structural representation of Fig. 1;
Fig. 3 is deburring die modular construction schematic diagram;
Fig. 4 is nitrogen spring and unsteady cutter structure schematic diagram;
Fig. 5 is deburring die body construction schematic diagram;
Fig. 6 is deburring punch assemblies structural representation;
Fig. 7 is scrap cutter structural representation;
Fig. 8 is that the utility model is in workpiece stamping-out deburring view;
Fig. 9 is that the utility model is in waste material dissengaged positions schematic diagram;
Figure 10 is the rearview of Fig. 9.
In figure, each list of reference numerals is: 1, deburring die assembly, 1-1, nitrogen spring, 1-2, deburring die body, 1-2-1, die trimming edge, 1-2-2, cavity, 1-3, unsteady cutting knife, 1-3-1, guide plate, 1-3-2, back skating groove, 1-3-3, the cutting knife trimming edge that floats, 1-4, limited block, 2, deburring punch assemblies, 2-1, punch trimming edge, 3, scrap cutter, 3-1, waste material cut off cutting edge.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 5, the utility model comprises deburring die assembly 1, deburring punch assemblies 2 and scrap cutter 3, described deburring die assembly 1 comprises deburring die body 1-2, nitrogen spring 1-1 and unsteady cutting knife 1-3, described deburring die body 1-2 and nitrogen spring 1-1 are installed on upper bolster, inner side, bottom surface at deburring die body 1-2 arranges die trimming edge 1-2-1, described nitrogen spring 1-1 and unsteady cutting knife 1-3 are equipped, its special feature is: described deburring die body 1-2 is monolithic construction, it is provided with for the up and down cavity 1-2-2 of cutting knife 1-3 that floats, described unsteady cutting knife 1-3 is sleeved in described cavity 1-2-2, described cavity 1-2-2 is inner side unenclosed construction, and side opening position arranges limited block 1-4 within it.
Referring to Fig. 4, unsteady cutting knife 1-3 of the present utility model is rectangular structure, the fixing assembling in its end face and nitrogen spring 1-1 lower surface, in its inner side, bottom surface, the cutting knife trimming edge 1-3-3 that floats is set, the guide runner 1-3-2 mating with described limited block is set on side within it, in other three sides, guide plate 1-3-1 is all set.
Referring to Fig. 5, nitrogen spring 1-1 of the present utility model is when non-compressed state, and the unsteady cutting knife trimming edge 1-3-1 installing is in its lower section concordant with the die trimming edge 1-2-1 of deburring die body 1-2.
Referring to Fig. 6, deburring punch assemblies 2 of the present utility model is fixed on die shoe, and the periphery position coordinating with deburring die assembly 1 at it arranges punch trimming edge 2-1.
Referring to Fig. 7, scrap cutter 3 of the present utility model is fixed on die shoe, waste material is set in its side and cuts off cutting edge 3-1.
Referring to Fig. 8~Figure 10, the utility model is when carrying out workpiece stamping-out deburring operation, first deburring die body 1-2, nitrogen spring 1-1 and unsteady cutting knife 1-3 are descending with upper bolster, the die trimming edge 1-2-1 of deburring die body 1-2 and the punch trimming edge 2-1 of deburring punch assemblies 2 contact, the cutting knife 1-3 that now floats passes to nitrogen spring 1-1 by workpiece reaction force, reaction force while being greater than workpiece deburring due to the initial pressure that it is fixed that nitrogen spring is established 1-1, nitrogen spring 1-1 is in non-compressed state, the unsteady cutting knife trimming edge 1-3-3 installing is in its lower section concordant with the die trimming edge 1-2-1 of deburring die body 1-2, upper bolster continues descending, and the punch trimming edge 2-1 of the die trimming edge 1-2-1 of deburring die body 1-2, float cutting knife trimming edge 1-3-3 and deburring punch assemblies 2 coordinates, and workpiece border waste material is cut off, along with upper bolster continues descending, the cutting knife 1-3 that floats is withstood in scrap cutter 3 upper surfaces, the cutting knife 1-3 that floats starts compressed nitrogen spring 1-1, the cutting knife 1-3 that floats moves upward under guide plate 1-3-1, guide runner 1-3-2 and limited block 1-3-3 guide effect in the cavity 1-2-2 of deburring die body 1-2, until the waste material of deburring die body 1-2 and scrap cutter 3 cuts off cutting edge 3-1, coordinate waste material cut-out, so far complete workpiece stamping-out deburring operation.

Claims (6)

1. an automobile body covering piece stamping-out Trimming Die, it comprises deburring die assembly (1), deburring punch assemblies (2) and scrap cutter (3), described deburring die assembly (1) comprises deburring die body (1-2), nitrogen spring (1-1) and unsteady cutting knife (1-3), described deburring die body (1-2) and nitrogen spring (1-1) are installed on upper bolster, inner side, bottom surface at deburring die body (1-2) arranges die trimming edge (1-2-1), described nitrogen spring (1-1) is equipped with unsteady cutting knife (1-3), it is characterized in that, described deburring die body (1-2) is monolithic construction, it is provided with for the up and down cavity (1-2-2) of cutting knife (1-3) that floats, described unsteady cutting knife (1-3) is sleeved in described cavity (1-2-2).
2. a kind of automobile body covering piece stamping-out Trimming Die according to claim 1, is characterized in that, described cavity (1-2-2) is inner side unenclosed construction, and side opening position arranges limited block (1-4) within it.
3. a kind of automobile body covering piece stamping-out Trimming Die according to claim 2, it is characterized in that, described unsteady cutting knife (1-3) is rectangular structure, the fixing assembling in its end face and nitrogen spring (1-1) lower surface, in its inner side, bottom surface, the cutting knife trimming edge (1-3-3) that floats is set, the guide runner (1-3-2) mating with described limited block is set on side within it, in other three sides, guide plate (1-3-1) is all set.
4. a kind of automobile body covering piece stamping-out Trimming Die according to claim 3, it is characterized in that, described nitrogen spring (1-1) is when non-compressed state, and the unsteady cutting knife trimming edge (1-3-1) of installing is in its lower section concordant with the die trimming edge (1-2-1) of deburring die body (1-2).
5. a kind of automobile body covering piece stamping-out Trimming Die according to claim 3, is characterized in that, described deburring punch assemblies (2) is fixed on die shoe, and the periphery position coordinating with deburring die assembly (1) at it arranges punch trimming edge (2-1).
6. a kind of automobile body covering piece stamping-out Trimming Die according to claim 3, is characterized in that, described scrap cutter (3) is fixed on die shoe, waste material is set in its side and cuts off cutting edge (3-1).
CN201420081927.8U 2014-02-26 2014-02-26 Blanking trimming die for car body covering part Active CN203804036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420081927.8U CN203804036U (en) 2014-02-26 2014-02-26 Blanking trimming die for car body covering part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420081927.8U CN203804036U (en) 2014-02-26 2014-02-26 Blanking trimming die for car body covering part

Publications (1)

Publication Number Publication Date
CN203804036U true CN203804036U (en) 2014-09-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104874668A (en) * 2015-06-08 2015-09-02 上海凌云汽车模具有限公司 Punching and trimming die
CN104959449A (en) * 2015-07-16 2015-10-07 昆山达亚汽车零部件有限公司 Trimming die for automobile stand column

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104874668A (en) * 2015-06-08 2015-09-02 上海凌云汽车模具有限公司 Punching and trimming die
CN104959449A (en) * 2015-07-16 2015-10-07 昆山达亚汽车零部件有限公司 Trimming die for automobile stand column

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