CN204036561U - A kind of non-guide essence rushes composite die - Google Patents
A kind of non-guide essence rushes composite die Download PDFInfo
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- CN204036561U CN204036561U CN201420490016.0U CN201420490016U CN204036561U CN 204036561 U CN204036561 U CN 204036561U CN 201420490016 U CN201420490016 U CN 201420490016U CN 204036561 U CN204036561 U CN 204036561U
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- model fixing
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Abstract
A kind of non-guide essence rushes composite die, it comprises upper die and lower die, patrix comprises the punch-die cutting edge be obliquely installed, counterdie comprises punch, punch-die and punch form the cross sectional shape of cyclic sealing gasket jointly, led by punch-die external cylindrical surface and lower fixed seat inner cylinder face premise clearance fit mode, adopt the mode from blanking die side pan feeding in addition.Adopt the utility model, solve the problem that sealing gasket dimensional accuracy is low, edge is jagged of stamping-out; In addition, guide frame of the present utility model is simple, precision is high, and manual or simple and mechanical instrument just can be produced by stamping-out, has saved the cost of plant equipment.
Description
Technical field
The utility model relates to a kind of blanking die, and especially a kind of non-guide essence rushes composite die, belongs to punch press process technical field.
Background technology
Sealing gasket is the conventional spare and accessory parts of plant equipment, the thin plate compacting usually adopting material softer or stamping-out shaping, general production lot is comparatively large, less demanding to profile dimensional accuracy; But for the sealing gasket be applied on accurate mechanical equipment (such as aircraft), because quantity required is little, process equipment according to routine carries out the stamping-out of polytetrafluoroethylene sealing gasket, not only there is the problem that utilization rate of equipment and installations is low, and matching used blanking die complex structure, Mould Machining difficulty is comparatively large, and therefore conventional process equipment is not suitable for the production of small lot, high precision dense packing.
Utility model content
The purpose of this utility model is the drawback for prior art, provide a kind of structure simple, practical, be applicable to small lot, high accuracy stamping-out sealing gasket non-guide essence rush composite die.
Problem described in the utility model solves by with following technical proposals:
A kind of non-guide essence rushes composite die, it comprises upper die and lower die, its special feature is: described counterdie comprises lower model fixing seat, punch, counterdie centring sleeve and bracing ring, described counterdie centring sleeve is between lower model fixing seat and punch, and described punch operative end surface gives prominence to the upper surface of counterdie centring sleeve;
Described patrix comprises model fixing seat, punch-die and discharger, described punch-die is made up of internal mold and external mold and discharging sleeve, described internal mold is fixedly connected with upper model fixing seat with external mold, the excircle of described internal mold end and the inner periphery of external mold end all arrange the cutting edge of projection, the cross section of described projection cutting edge is skewed, the lower surface of described cutting edge inwall and described discharging sleeve surrounds annular recess, described external mold external cylindrical surface and lower model fixing seat inner cylinder face assemble with gap fiting mode, and its fit clearance is not more than 0.015mm.
Above-mentioned non-guide essence rushes composite die, and described upper model fixing seat arranges three groups of fixing holes of radially arranging in the form of a ring, and wherein inside and outside two groups of fixing holes are fixedly connected with by hexagon socket head cap screw with internal mold, external mold respectively.
Above-mentioned non-guide essence rushes composite die, described discharger comprises stripper and distribution, described distribution and described stripper interference fit, described stripper is Circular plate structure, it assembles with gap fiting mode and upper fixed seat, and described distribution contacts through offseting with described discharging sleeve upper surface after the mating holes of one group, the centre that upper fixed seat is arranged.
Above-mentioned non-guide essence rushes composite die, and described die shoe side arranges feeding mouth, and described feeding mouth is radial rectangular through-hole, its width is greater than workpiece size 3mm, it is highly greater than 2 times of thickness of workpiece, along concordant with counterdie centring sleeve upper surface under described feeding mouth, and its radial layout placed in the middle.
Above-mentioned non-guide essence rushes composite die, and described counterdie centring sleeve upper surface arranges annular elastomeric backing strap, and be enclosed within punch external cylindrical surface, its upper surface is concordant with punch upper surface.
Above-mentioned non-guide essence rushes composite die, and described patrix also comprises spacing pad, and described spacing cushion cover to be contained in outside external mold and to fit with upper model fixing seat.
Above-mentioned non-guide essence rushes composite die, and described bracing ring is fixedly connected with lower model fixing seat screw thread.
Above-mentioned non-guide essence rushes composite die, also comprises backing plate, and described backing plate is placed in model fixing seat upper surface.
The utility model, for the stamping-out problem of small lot, high precision dense packing, devises a kind of non-guide essence and rushes composite die.Its ingenious precision-fit guide-localization utilizing external mold and lower model fixing seat, its fit clearance is not more than 0.015mm, and mould structure is simple, flexible to operation, do not limit by place and equipment, substantially increase the dimensional accuracy of blanking part and sealing gasket, tangent plane roughness and perpendicularity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A place partial enlarged drawing of Fig. 1;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of Fig. 1;
Fig. 4 is the front view of upper model fixing seat;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is cutting edge course of work schematic diagram of the present utility model.
In figure, each list of reference numerals is: 1, lower model fixing seat, 2, counterdie centring sleeve, 3, punch, 4, internal mold, 5, external mold, 6, cutting edge, 7, discharging sleeve, 8, promote, 9, the solid plate of discharging, 10, upper model fixing seat, 11, bolt, 12, spacing pad, 13, lastics pad, 14, feeding mouth, 15, bracing ring, 16, backing plate, 17, hexagon socket head cap screw.
Detailed description of the invention
Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model is that a kind of non-guide essence for high accuracy, small lot batch manufacture stamping-out polytetrafluoroethylene (PTFE) plate sealing gasket rushes composite die, it comprises upper die and lower die, special feature is: described counterdie comprises lower model fixing seat, punch, counterdie centring sleeve and bracing ring, described counterdie centring sleeve is between lower model fixing seat and punch, and described punch work cutting edge end face gives prominence to the upper surface of counterdie centring sleeve;
Described patrix comprises model fixing seat, punch-die and discharger, described punch-die is made up of internal mold and external mold and discharging sleeve, described internal mold is fixedly connected with upper model fixing seat with external mold, the excircle of described internal mold end and the inner periphery of external mold end all arrange the cutting edge of projection, the cross section of described projection cutting edge is skewed, and two inclined plane angles are that the lower surface of described cutting edge inwall and described discharging sleeve surrounds annular recess.The accommodation space of this groove is the overall structure of sealing gasket.
The utility model carries out guide-localization by the external cylindrical surface of patrix and lower model fixing seat inner cylinder face as abutment sleeve, and is less than 0.015mm by the fit clearance controlling mould, ensure that axiality and dimensional accuracy; Efficiently solve workpiece deformation large and dimensional accuracy, tangent plane roughness, the technical barrier that perpendicularity is not high.
The utility model also comprises backing plate, is placed in model fixing seat upper surface, and when blanking gasket, backing plate can disperse the local assault power or the chucking power that are applied to blanking die, makes the mean forced of model fixing seat, plays a part to protect mould.
Referring to Fig. 4, Fig. 5, be the structure of upper model fixing seat, overall in flange plate type structure, on it, Middle face is circular pit, and what in this space, arrange cooperation unloads charging tray, and its underpart arranges 3 groups of holes, and middle one group is through hole, promotes and smoothly in the air to pass at this; All the other two groups are countersunk head screwed hole, are fixedly connected with internal mold and the external mold of punch-die respectively.
Referring to Fig. 6, use procedure of the present utility model is: polytetrafluoroethylene (PTFE) plate by part outer measure strip shape, its Breadth Maximum can not exceed feeding mouth width, and its minimum widith can not be less than the outside dimension of sealing gasket; Then by patrix and counterdie matched moulds, workpiece plate first compresses by discharging sleeve, then puts backing plate, manual pressure, also can exert pressure with bench vice clamping, viewed from mould side spacing pad compression very close to each other after, namely stamping-out puts in place, take out patrix, pushing tow stripper, namely workpiece is pushed out.
Claims (8)
1. a non-guide essence rushes composite die, comprise upper die and lower die, it is characterized in that: described counterdie comprises lower model fixing seat (1), punch (3), counterdie centring sleeve (2) and bracing ring (15), described counterdie centring sleeve (2) is between lower model fixing seat (1) and punch (3), and described punch (3) operative end surface gives prominence to the upper surface of counterdie centring sleeve (2);
Described patrix comprises model fixing seat (10), punch-die and discharger, described punch-die is by internal mold (4), external mold (5) and discharging sleeve (7) are formed, described internal mold (4) is fixedly connected with upper model fixing seat (10) with external mold (5), the excircle of described internal mold (4) end and the inner periphery of external mold (5) end all arrange the cutting edge (6) of projection, the cross section of described projection cutting edge (6) is skewed, the lower surface of described cutting edge (6) inwall and described discharging sleeve (7) surrounds annular recess, described external mold (5) external cylindrical surface and lower model fixing seat (1) inner cylinder face assemble with gap fiting mode, its fit clearance is not more than 0.015mm.
2. a kind of non-guide essence as claimed in claim 1 rushes composite die, it is characterized in that: described upper model fixing seat (10) arranges three groups of fixing holes of radially arranging in the form of a ring, wherein inside and outside two groups of fixing holes are fixedly connected with by hexagon socket head cap screw (17) with internal mold (4), external mold (5) respectively.
3. a kind of non-guide essence as claimed in claim 1 or 2 rushes composite die, it is characterized in that: described discharger comprises stripper (9) and promotes (8), described distribution (8) and described stripper (9) interference fit, described stripper (9) is Circular plate structure, it assembles with gap fiting mode and upper model fixing seat (10), and described distribution (8) to offset with described discharging sleeve (7) upper surface through upper one group, the centre mating holes arranged of upper model fixing seat (10) and contacts.
4. a kind of non-guide essence as claimed in claim 3 rushes composite die, it is characterized in that: described lower model fixing seat (1) side arranges feeding mouth (14), described feeding mouth (14) is radial rectangular through-hole, its width is greater than workpiece size 3mm, it is highly greater than 2 times of thickness of workpiece, along concordant with counterdie centring sleeve (2) upper surface under described feeding mouth (14), its radial layout placed in the middle.
5. a kind of non-guide essence as claimed in claim 4 rushes composite die, it is characterized in that: described counterdie centring sleeve (2) upper surface arranges annular elastomeric backing strap (13), and be enclosed within punch (3) external cylindrical surface, its upper surface is concordant with punch (3) upper surface.
6. a kind of non-guide essence as claimed in claim 5 rushes composite die, it is characterized in that: described patrix also comprises spacing pad (12), and described spacing pad (12) is sleeved on external mold (5) outside and fits with upper model fixing seat (10).
7. a kind of non-guide essence as claimed in claim 6 rushes composite die, it is characterized in that: described bracing ring (15) is fixedly connected with lower model fixing seat (1) screw thread.
8. a kind of non-guide essence as claimed in claim 7 rushes composite die, it is characterized in that: also comprise backing plate (16), and described backing plate (16) is placed in model fixing seat (10) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490016.0U CN204036561U (en) | 2014-08-28 | 2014-08-28 | A kind of non-guide essence rushes composite die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420490016.0U CN204036561U (en) | 2014-08-28 | 2014-08-28 | A kind of non-guide essence rushes composite die |
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| Publication Number | Publication Date |
|---|---|
| CN204036561U true CN204036561U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420490016.0U Active CN204036561U (en) | 2014-08-28 | 2014-08-28 | A kind of non-guide essence rushes composite die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426890A (en) * | 2016-11-15 | 2017-02-22 | 苏州亨达尔工业材料有限公司 | Finished product cutter of plastic uptake forming machine |
| CN107053338A (en) * | 2016-08-31 | 2017-08-18 | 中航西安飞行自动控制技术有限公司 | A kind of punching composite die of rubber seal |
-
2014
- 2014-08-28 CN CN201420490016.0U patent/CN204036561U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053338A (en) * | 2016-08-31 | 2017-08-18 | 中航西安飞行自动控制技术有限公司 | A kind of punching composite die of rubber seal |
| CN106426890A (en) * | 2016-11-15 | 2017-02-22 | 苏州亨达尔工业材料有限公司 | Finished product cutter of plastic uptake forming machine |
| CN106426890B (en) * | 2016-11-15 | 2018-12-14 | 苏州亨达尔工业材料有限公司 | The finished product cutter of plastic suction forming apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |