CN204996847U - Split type globular mould of spiral spline extruded - Google Patents
Split type globular mould of spiral spline extruded Download PDFInfo
- Publication number
- CN204996847U CN204996847U CN201520772116.7U CN201520772116U CN204996847U CN 204996847 U CN204996847 U CN 204996847U CN 201520772116 U CN201520772116 U CN 201520772116U CN 204996847 U CN204996847 U CN 204996847U
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- Prior art keywords
- spherical
- drift
- mould
- split type
- spline
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Abstract
The utility model provides a split type globular mould of spiral spline extruded, including last membrane module and lower membrane module, it includes upward pressure piece, drift cover, flat -bottom punch and globular spline drift to go up the membrane module, the membrane module includes mold core, lower die sleeve, uide bushing, lower mold core, spherical stripping attachment, first pressure piece and second pressure piece down. Split type globular mould of spiral spline extruded, its simple structure, make current mould standardized, and process cost reduction, field operation is more convenient.
Description
Technical field
The utility model belongs to helical spline extrusion die, is specifically related to the split type spherical mould of helical spline extruding.
Background technology
Existing helical spline extrusion structure is by single direction thrust ball bearing, deep groove ball bearing, flat spline drift, pad, the parts compositions such as drift cover, surrounded by deep groove ball bearing around flat spline drift, the frictional force produced when flat spline drift rotates during in order to reduce to extrude, the length of flat spline drift is generally 150-200mm, deep groove ball bearing operationally rotates, deep groove ball bearing pad separates, in order to avoid impact is rotated, a single direction thrust ball bearing is padded below deep groove ball bearing, above parts are positioned in special drift cover, this structure is comparatively complicated, material cost and the processing cost of spline drift are higher, comparatively difficult during assembling, be difficult to realize to the standardization effort of enterprise, and its punch length is longer, processing charges is high, be generally about 4000.
Utility model content
The technical problems to be solved in the utility model is to provide the split type spherical mould of helical spline extruding, overcomes above-mentioned defect, solves complex structure, the problem such as cost is high, drift is long, processing is inconvenient.
For solving the problems of the technologies described above, the split type spherical mould that the utility model provides helical spline to extrude, comprises upper die component and lower mold assemblies,
Described upper die component comprises pressure block, drift cover, flat-bottom punch and spherical spline drift, described spherical spline drift is arranged on the below of described flat-bottom punch, described drift cover is set in the outside of described flat-bottom punch, described drift cover moves up and down along with described flat-bottom punch, the top of described drift cover and flat-bottom punch is provided with described upper pressure block
Described lower mold assemblies comprises lower mold core, lower die-sleeve, fairlead, spherical stripping attachment, first downforce block and the second downforce block, described lower die-sleeve is set in the outside of described fairlead, the centre of described fairlead is in being hollow-core construction, described hollow-core construction is for holding processed product, the bottom of described hollow-core construction is provided with lower mold core, the upper part of described spherical stripping attachment is inserted in described lower mold core, described first downforce block is set in outside described spherical stripping attachment, described second downforce block is also set in outside described spherical stripping attachment, described first downforce block is arranged on the top of described second downforce block, the internal diameter of described lower mold core is greater than the external diameter of described spherical stripping attachment, the external diameter of described spherical stripping attachment is less than the internal diameter of described first downforce block, described spherical stripping attachment slides up and down in described lower mold core and described first downforce block.
As a kind of preferred version of the split type spherical mould that helical spline described in the utility model extrudes, the length of described flat-bottom punch is 70-90mm.
As a kind of preferred version of the split type spherical mould that helical spline described in the utility model extrudes, the length of described flat-bottom punch is 84mm.
As a kind of preferred version of the split type spherical mould that helical spline described in the utility model extrudes, the length of described spherical spline drift is 60-80mm.
As a kind of preferred version of the split type spherical mould that helical spline described in the utility model extrudes, the length of described spherical spline drift is 70mm.
Compared with prior art, the split type spherical mould of the helical spline that the utility model proposes extruding, its structure is simple, make existing mould standard and processing cost reduces, execute-in-place is more convenient.Concrete, the utility model tool has the following advantages: 1, spherical spline drift, and length is shorter, and processing cost is lower, only needs about 2000, uses ball shape to eliminate use bearing, and its structure is more simple, assembles simpler; 2, during the spherical stripping attachment material returned and drift point cantact, drift can exit smoothly, makes extruding more coherent; 3, flat-bottom punch is when upper punch without the need to changing, and die change hourly velocity is faster, and operating efficiency is improved, and makes mould reach standardization.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.Wherein,
Fig. 1 is the cross-sectional view of the front view of the split type spherical mould of helical spline of the present utility model extruding.
Wherein: 1 be drift cover, 2 be flat-bottom punch, 3 be spherical spline drift, 4 be lower mold core, 5 be lower die-sleeve, 6 be fairlead, 7 for spherical stripping attachment, 8 be the first downforce block, 9 be the second downforce block.
Detailed description of the invention
The split type spherical mould of helical spline extruding described in the utility model, it comprises: upper die component (not shown) and lower mold assemblies (not shown).
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with detailed description of the invention.
First, alleged herein " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the utility model.Different local in this manual " in one embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.
Secondly; the utility model utilizes structural representation etc. to be described in detail; when describing the utility model embodiment in detail; for ease of explanation; represent that the schematic diagram of the split type spherical mould structure of helical spline extruding can be disobeyed general ratio and be made partial enlargement; and described schematic diagram is example, it should not limit the scope of the utility model protection at this.In addition, the three dimensions of length, width and the degree of depth should be comprised in actual fabrication.
Embodiment one
Refer to Fig. 1, Fig. 1 is the cross-sectional view of the front view of the split type spherical mould of helical spline of the present utility model extruding.As shown in Figure 1, the split type spherical mould of described helical spline extruding, it comprises: upper die component and lower mold assemblies.The structure of lower both mask body introductions.
Described upper die component comprises pressure block (not shown), drift cover 1, flat-bottom punch 2 and spherical spline drift 3, described spherical spline drift 3 is arranged on the below of described flat-bottom punch 2, described drift cover 1 is set in the outside of described flat-bottom punch 2, described drift cover 1 moves up and down along with described flat-bottom punch 2, and the top of described drift cover 1 and flat-bottom punch 2 is provided with described upper pressure block.
Described lower mold assemblies comprises lower mold core 4, lower die-sleeve 5, fairlead 6, spherical stripping attachment 7, first downforce block 8 and the second downforce block 9, described lower die-sleeve 5 is set in the outside of described fairlead 6, the centre of described fairlead 6 is in being hollow-core construction (not shown), described hollow-core construction is for holding processed product, the bottom of described hollow-core construction is provided with lower mold core 4, the upper part of described spherical stripping attachment 7 is inserted in described lower mold core 4, described first downforce block 8 is set in outside described spherical stripping attachment 7, described second downforce block 9 is also set in outside described spherical stripping attachment 7, described first downforce block 8 is arranged on the top of described second downforce block 9, the internal diameter of described lower mold core 4 is greater than the external diameter of described spherical stripping attachment 7, the external diameter of described spherical stripping attachment 7 is less than the internal diameter of described first downforce block 8, described spherical stripping attachment 7 slides up and down in described lower mold core 4 and described first downforce block 8.
The length of described flat-bottom punch 2 is 70-90mm, and in one embodiment, the length of described flat-bottom punch 2 is 84mm.
The length of described spherical spline drift 3 is 60-80mm, and in another embodiment, the length of described spherical spline drift 3 is 70mm
Introduce the operation principle of said structure below:
Please continue to refer to Fig. 1, as shown in Figure 1, be original state during extruding on the right side of center line in figure, left side is the state after extruding end of a period, during extruding, flat-bottom punch 2 promotes spherical spline drift 3, described spherical spline drift 3 produces rotary squeezing, do not contact with spherical stripping attachment 7 when being expressed to bottom, extrude rear flat-bottom punch 2 and be retracted into initial extrusion position, described spherical stripping attachment 7 ejects described spherical spline drift 3, now described spherical spline drift 3 produces and rotates, and leaves extruded product smoothly, and this coherent extruding completes.
The parts of the split type spherical mould of above-mentioned helical spline extruding include but not limited to above-mentioned kind.
What the those of ordinary skill in affiliated field should be understood that is, one of feature of the present utility model or object are: the split type spherical mould tool of helical spline extruding described in the utility model has the following advantages: 1, spherical spline drift, length is shorter, processing cost is lower, only need about 2000, use ball shape to eliminate use bearing, its structure is more simple, assembles simpler; 2, during the spherical stripping attachment material returned and drift point cantact, drift can exit smoothly, makes extruding more coherent; 3, flat-bottom punch is when upper punch without the need to changing, and die change hourly velocity is faster, and operating efficiency is improved, and makes mould reach standardization.
It should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. the split type spherical mould of helical spline extruding, is characterized in that: comprise upper die component and lower mold assemblies,
Described upper die component comprises pressure block, drift cover, flat-bottom punch and spherical spline drift, described spherical spline drift is arranged on the below of described flat-bottom punch, described drift cover is set in the outside of described flat-bottom punch, described drift cover moves up and down along with described flat-bottom punch, the top of described drift cover and flat-bottom punch is provided with described upper pressure block
Described lower mold assemblies comprises lower mold core, lower die-sleeve, fairlead, spherical stripping attachment, first downforce block and the second downforce block, described lower die-sleeve is set in the outside of described fairlead, the centre of described fairlead is in being hollow-core construction, described hollow-core construction is for holding processed product, the bottom of described hollow-core construction is provided with lower mold core, the upper part of described spherical stripping attachment is inserted in described lower mold core, described first downforce block is set in outside described spherical stripping attachment, described second downforce block is also set in outside described spherical stripping attachment, described first downforce block is arranged on the top of described second downforce block, the internal diameter of described lower mold core is greater than the external diameter of described spherical stripping attachment, the external diameter of described spherical stripping attachment is less than the internal diameter of described first downforce block, described spherical stripping attachment slides up and down in described lower mold core and described first downforce block.
2. the split type spherical mould of helical spline extruding as claimed in claim 1, is characterized in that: the length of described flat-bottom punch is 70-90mm.
3. the split type spherical mould of helical spline extruding as claimed in claim 2, is characterized in that: the length of described flat-bottom punch is 84mm.
4. the split type spherical mould of helical spline extruding as claimed in claim 1, is characterized in that: the length of described spherical spline drift is 60-80mm.
5. the split type spherical mould of helical spline extruding as claimed in claim 4, is characterized in that: the length of described spherical spline drift is 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520772116.7U CN204996847U (en) | 2015-09-30 | 2015-09-30 | Split type globular mould of spiral spline extruded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520772116.7U CN204996847U (en) | 2015-09-30 | 2015-09-30 | Split type globular mould of spiral spline extruded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204996847U true CN204996847U (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520772116.7U Expired - Fee Related CN204996847U (en) | 2015-09-30 | 2015-09-30 | Split type globular mould of spiral spline extruded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204996847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024807A (en) * | 2020-07-31 | 2020-12-04 | 盐城工学院 | Mould of rotatory extrusion tip shape of control spiral internal spline |
| CN112620376A (en) * | 2020-12-14 | 2021-04-09 | 北方材料科学与工程研究院有限公司 | Self-rotating forward extrusion forming die and method |
-
2015
- 2015-09-30 CN CN201520772116.7U patent/CN204996847U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024807A (en) * | 2020-07-31 | 2020-12-04 | 盐城工学院 | Mould of rotatory extrusion tip shape of control spiral internal spline |
| CN112620376A (en) * | 2020-12-14 | 2021-04-09 | 北方材料科学与工程研究院有限公司 | Self-rotating forward extrusion forming die and method |
| CN112620376B (en) * | 2020-12-14 | 2022-06-28 | 北方材料科学与工程研究院有限公司 | Self-rotation forward extrusion forming die and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20200930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |