CN109940097A - Hollow type nozzle constriction device - Google Patents
Hollow type nozzle constriction device Download PDFInfo
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- CN109940097A CN109940097A CN201910358665.2A CN201910358665A CN109940097A CN 109940097 A CN109940097 A CN 109940097A CN 201910358665 A CN201910358665 A CN 201910358665A CN 109940097 A CN109940097 A CN 109940097A
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- main body
- monomer
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- driving head
- draw
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- 239000000178 monomer Substances 0.000 claims abstract description 82
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 239000011324 bead Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 14
- 230000014759 maintenance of location Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002893 slag Substances 0.000 abstract description 8
- 238000009825 accumulation Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 206010039509 Scab Diseases 0.000 description 7
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241000222712 Kinetoplastida Species 0.000 description 1
- 240000006909 Tilia x europaea Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The present invention relates to a kind of hollow type nozzle constriction devices, the device includes fixing seat, the driving body and pipe-reduction mold being mounted on inside fixing seat, the fixing seat includes columnar main body, and it is separately fixed at the guide flange and Seal end plate at main body both ends, the driving body includes the driving head of leading portion cylindrical shape and the sliding tail of back segment cylindrical shape, the pipe-reduction mold include N number of fan shape and have interior, the draw monomer of outer two arc surfaces, each draw monomer includes mold base monomer and has the mold monomers for the draw, pass through spring supporting between draw monomer, guide flange is fixed in main body by the way that bolt sleeve is sleeved, the region of a circle hollow out is formed between it, convenient for dropping out for the casts such as slag crust when the draw, prevent accumulation in the device, different mold monomers can be selected according to the size of caliber simultaneously.
Description
Technical field
The present invention relates to the technical field of pipe fitting process equipment, in particular to a kind of hollow type nozzle constriction device.
Background technique
Nozzle constriction device is the head section of machine for shrinking, is the key that complete nozzle to shrink executing agency, nozzle is received
Compression apparatus is that the uniform external diameter of one end of steel pipe is reduced certain length, for the connection or other forms between plurality of sections of steel pipes
Connection, since the size of the steel pipe used under different situations is not quite similar, this just needs different nozzle constriction devices therewith
It is corresponding, therefore this kind of nozzle constriction device acts on single bad adaptability, and increases equipment cost, meanwhile, it is in the prior art
Nozzle constriction device external structure is an annular entirety, and inside is the execution unit of draw mouth, this results in it carrying out
The wastes such as the slag crust that steel pipe head falls off when nozzle is shunk can not drop out nozzle constriction device in time, use one particularly with those
The old steel pipe of section time, the surface of such steel pipe can accumulate the building wastes such as some cement and limes cleared up not in time, long-term tired
As the corrosion of steel pipe will be solidificated in the surface of steel pipe after product, it is difficult to clear up, when carrying out such steel pipe throat, will necessarily produce
Raw more slag crusts, the slag crust to fall off discharge constriction device, slag crust will can not be accumulated in nozzle constriction device in time again
It is interior, it seriously affects the normal use of device or even is not available, increase cost of equipment maintenance, reduce the efficiency of processing, because
This needs technically to break through existing nozzle constriction device.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes hollow type nozzle constriction device.
Particular content is as follows: hollow type nozzle constriction device, which includes fixing seat, the drive that is mounted on inside fixing seat
Kinetoplast and pipe-reduction mold, it is characterized in that:
The fixing seat includes columnar main body and the guide flange and Seal end plate for being separately fixed at main body both ends,
The guide flange passes through its edge and the bolt being uniformly distributed along the circumference is fixed on the outer end face of main body, the bolt water
Flat to be screwed on the outer end face of main body through guide flange, the both ends that sleeve and the sleeve are set on every bolt are propped up respectively
Support on the end face of guide flange and main body, the guide flange be it is circular and concentric with main body, guide flange
Inner peripheral surface is equipped with the guiding surface for the cone expanded inwardly, and the Seal end plate is circular and is coaxially fixed on
On the inner face of main body, the inner periphery diameter of Seal end plate is less than the inner periphery diameter of main body；
The driving body includes the driving head of leading portion cylindrical shape and the sliding tail of back segment cylindrical shape, the driving head coaxial sleeve
In main body and form axial sliding pair, it is protruding and form sliding that the sliding tail coaxially passes through Seal end plate
Pair, the outer circumference surface for sliding tail are overlapped with the inner peripheral surface of Seal end plate, on the inner peripheral surface of the outer end of driving head be equipped with to
The driving inclined-plane of the cone of outside expansion, the driving inclined-plane are corresponding identical as above-mentioned guiding surface；
The pipe-reduction mold includes draw monomer N number of fan shape and with inside and outside two arc surfaces, and each monomer is homogeneous
With and corresponding central angle be 360 °/N, be equipped on the outer circumference surface at each draw monomer both ends and shrink outward respectively
The sliding bevel of cone, N number of draw monomer splices with one heart to be mounted between driving head and guide flange, two adjacent contractings
By tangential spring supporting between the corresponding side of pipe monomer, the both ends of the spring are separately fixed at corresponding two draws
In fixing groove on the side of monomer, which is cylindrical and matches with spring that draw monomer is both supported upon by spring
On driving head and guide flange, two sliding bevels on each draw monomer match weight with guiding surface and driving inclined-plane respectively
Merging forms sliding pair.
Preferably, the inner peripheral surface of the main body outer end is equipped with the limit convex of the annular projected radially inwards for one week
Rise, the outer circumference surface of the driving head is overlapped with the inner peripheral surface of retention bead, the outer end of driving head across retention bead to
Outer stretching is equipped with one week radially cricoid positioning protrusion outstanding, the positioning on the outer circumference surface of driving head inner end
Protrusion is overlapped with the inner peripheral surface of main body, and the hydraulic fluid chamber of annular and sealing is equipped between the retention bead and positioning protrusion
First is equipped with the hydraulic fluid chamber second of annular and sealing between positioning protrusion and Seal end plate.
Preferably, between the retention bead and driving head, between positioning protrusion and main body, Seal end plate and sliding tail
The sealing ring of corresponding abutting is equipped between main body.
Preferably, the main body is equipped with radially perforative oilhole first and oilhole second, oilhole first and oilhole second point
It is not connected to hydraulic fluid chamber first and hydraulic fluid chamber second.
Preferably, the draw monomer includes mold base monomer and mold monomers, the mold base monomer be with
The fan shape that inside and outside two arc surfaces and central angle are 360 °/N, the sliding bevel are located at the external arc of mold base monomer
The both ends in face, the fixing groove are located on the two sides of mold base monomer, are all provided on the inner arc surface of each mold base monomer
There is the sliding rail of axially mounted dove-tail form, each mold base monomer passes through sliding rail and is fixed with matching mold monomers, should
Mold monomers are the fan shape with inside and outside two arc surfaces.
Preferably, the circle that the driving head and sliding tail are connected through a screw thread, and contact between driving head and sliding tail
Circumferential surface is equipped with one week sealing ring being close to.
Preferably, the quantity N of the mold base monomer is not less than eight.
Advantageous effects of the invention:
The present invention is a kind of hollow type nozzle constriction device, which includes fixing seat, the driving body that is mounted on inside fixing seat
And pipe-reduction mold, the fixing seat include columnar main body and the guide flange for being separately fixed at main body both ends and close
End-blocking plate, the driving body include the driving head of leading portion cylindrical shape and the sliding tail of back segment cylindrical shape, the pipe-reduction mold
Draw monomer including N number of fan shape and with inside and outside two arc surfaces, each draw monomer include mold base monomer and have
For the mold monomers of the draw, pass through spring supporting between draw monomer, guide flange is fixed on by the way that bolt sleeve is sleeved
In main body, between form the region of a circle hollow out, can be by between mold base monomer convenient for casts such as slag crusts when the draw
Gap and the region of hollow out drop out, and prevent accumulation in the device, avoid the use for influencing entire reducing device, while being capable of basis
Different mold monomers are selected and replaced to the size of caliber, enables the steel pipe of the nozzle constriction device suitable for multiple sizes.
Detailed description of the invention
Fig. 1 is hollow type nozzle constriction device schematic perspective view；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the schematic diagram of the section structure in the direction A-A in Fig. 2；
Fig. 4 is the schematic diagram of the section structure in the direction B-B in Fig. 3；
Fig. 5 is the schematic perspective view of the mold base monomer in Fig. 4；
Fig. 6 is the schematic perspective view of mold base monomer (ipsilateral to be equipped with two fixing grooves)；
In figure: 11. main bodys, 12. guide flanges, 13. sleeves, 14. Seal end plates, 15. guiding surfaces, the limit in 16. main bodys
Position protrusion, 17. oilhole first, 18. oilhole second, 19. bolts, 21. driving heads, 22. sliding tails, 23. driving inclined-planes, 24. driving heads
On positioning protrusion, 25. hydraulic fluid chamber first, 26. hydraulic fluid chamber second, 31. mold base monomers, 32. mold monomers, 33. slidings it is oblique
Face, 34. fixing grooves, 35. springs, 36. sliding rails, 4. sealing rings.
Specific embodiment
Embodiment one, referring to Fig. 1-6, hollow type nozzle constriction device, which includes fixing seat, is mounted in fixing seat
The driving body and pipe-reduction mold in portion；
The fixing seat includes columnar main body and the guide flange and Seal end plate for being separately fixed at main body both ends,
The guide flange passes through its edge and the bolt being uniformly distributed along the circumference is fixed on the outer end face of main body, the bolt water
Flat to be screwed on the outer end face of main body through guide flange, the both ends that sleeve and the sleeve are set on every bolt are propped up respectively
Support is on the end face of guide flange and main body, since guide flange is fixed in main body by the way that bolt sleeve is sleeved, it
Between form the region of a circle hollow out, in the draw, the casts such as slag crust can be by the area in gap and hollow out between mold base monomer
Domain drops out, and prevents accumulation in the device, which is circular and, the inner periphery of guide flange concentric with main body
Face is equipped with the guiding surface for the cone expanded inwardly, and the Seal end plate is circular and is coaxially fixed on main body
On inner face, the inner periphery diameter of Seal end plate is less than the inner periphery diameter of main body；
The driving body includes the driving head of leading portion cylindrical shape and the sliding tail of back segment cylindrical shape, the driving head coaxial sleeve
In main body and form axial sliding pair, it is protruding and form sliding that the sliding tail coaxially passes through Seal end plate
Pair, the outer circumference surface for sliding tail are overlapped with the inner peripheral surface of Seal end plate, on the inner peripheral surface of the outer end of driving head be equipped with to
The driving inclined-plane of the cone of outside expansion, the driving inclined-plane are corresponding identical as above-mentioned guiding surface；
The pipe-reduction mold includes draw monomer N number of fan shape and with inside and outside two arc surfaces, and each monomer is homogeneous
With and corresponding central angle be 360 °/N, be equipped on the outer circumference surface at each draw monomer both ends and shrink outward respectively
The sliding bevel of cone, N number of draw monomer splices with one heart to be mounted between driving head and guide flange, two adjacent contractings
By tangential spring supporting between the corresponding side of pipe monomer, the both ends of the spring are separately fixed at corresponding two draws
In fixing groove on the side of monomer, which is cylindrical and matches with spring that draw monomer is both supported upon by spring
On driving head and guide flange, two sliding bevels on each draw monomer match weight with guiding surface and driving inclined-plane respectively
Merging forms sliding pair.
The inner peripheral surface of the main body outer end is equipped with the retention bead of the annular projected radially inwards for one week, described
The outer circumference surface of driving head is overlapped with the inner peripheral surface of retention bead, and the outer end of driving head is protruding across retention bead,
The outer circumference surface of driving head inner end is equipped with one week radially cricoid positioning protrusion outstanding, the positioning protrusion and main body
Inner peripheral surface be overlapped, between the retention bead and positioning protrusion be equipped with annular and sealing hydraulic fluid chamber first, convex
Play the hydraulic fluid chamber second that annular and sealing are equipped between Seal end plate.
Between the retention bead and driving head, between positioning protrusion and main body, Seal end plate and sliding tail and main body
Between be equipped with the sealing ring of corresponding abutting, prevent oil liquid channelling.
The main body is equipped with radially perforative oilhole first and oilhole second, oilhole first and oilhole second respectively with it is hydraulic
Oil pocket first is connected to hydraulic fluid chamber second, and the movement of driving head is pushed by injection hydraulic oil.
The draw monomer includes mold base monomer and mold monomers, and the mold base monomer is with inside and outside two
The fan shape that a arc surface and central angle are 360 °/N, the sliding bevel are located at the two of the exterior arc surface of mold base monomer
End, the fixing groove is located on the two sides of mold base monomer, can also be set between mold base monomer as needed two and with
Upper spring, thus on the same side of corresponding mold base monomer just be equipped at least two fixing grooves, each mold base monomer it is interior
Be equipped with the sliding rail of axially mounted dove-tail form on arc surface, each mold base monomer pass through sliding rail be fixed with it is matching
Mold monomers, which is the fan shape with inside and outside two arc surfaces, corresponding according to that can select between steel pipe
Mold monomers make entire pipe reduction device can adapt to the steel pipe of a certain range diameter.
It is set on the periphery that the driving head and sliding tail is connected through a screw thread, and contacts between driving head and sliding tail
There is one week sealing ring being close to, prevents hydraulic oil channelling.
The quantity N of the mold base monomer is not less than eight, is retracted nozzle more uniform.Of the invention used
Journey and principle:
The size selection of the steel pipe of necking as needed corresponds to mold monomers and correspondence is mounted on mold base monomer, respectively will be oily
Hole first and oilhole second correspondence turn on oil pump, need to shrink nozzle correspondence for steel pipe and extend into the center of pipe-reduction mold, lead to
It crosses oil pump and injects hydraulic oil in hydraulic fluid chamber through oilhole second to push driving body to the movement of pipe-reduction mold direction, and pass through drive
Dynamic inclined-plane and guiding surface is opposite with the sliding bevel on mold base monomer slides, so by each mold base monomer at the same by
Gradually to central reduction, and then necking is carried out to the nozzle of steel pipe, since guide flange is fixed on master by the way that bolt sleeve is sleeved
On body, between form the region of a circle hollow out, in the draw, the casts such as slag crust can be by the gap between mold base monomer
And the region of hollow out drops out, and prevents accumulation in the device, avoids the use for influencing entire reducing device, while can be according to caliber
Size select and replace different mold monomers, enable the steel pipe of the nozzle constriction device suitable for multiple sizes.
Claims (7)
1. hollow type nozzle constriction device, which includes fixing seat, the driving body and pipe-reduction mold that are mounted on inside fixing seat,
It is characterized in that:
The fixing seat includes columnar main body and the guide flange and Seal end plate for being separately fixed at main body both ends,
The guide flange passes through its edge and the bolt being uniformly distributed along the circumference is fixed on the outer end face of main body, the bolt water
Flat to be screwed on the outer end face of main body through guide flange, the both ends that sleeve and the sleeve are set on every bolt are propped up respectively
Support on the end face of guide flange and main body, the guide flange be it is circular and concentric with main body, guide flange
Inner peripheral surface is equipped with the guiding surface for the cone expanded inwardly, and the Seal end plate is circular and is coaxially fixed on
On the inner face of main body, the inner periphery diameter of Seal end plate is less than the inner periphery diameter of main body；
The driving body includes the driving head of leading portion cylindrical shape and the sliding tail of back segment cylindrical shape, the driving head coaxial sleeve
In main body and form axial sliding pair, it is protruding and form sliding that the sliding tail coaxially passes through Seal end plate
Pair, the outer circumference surface for sliding tail are overlapped with the inner peripheral surface of Seal end plate, on the inner peripheral surface of the outer end of driving head be equipped with to
The driving inclined-plane of the cone of outside expansion, the driving inclined-plane are corresponding identical as above-mentioned guiding surface；
The pipe-reduction mold includes draw monomer N number of fan shape and with inside and outside two arc surfaces, and each monomer is homogeneous
With and corresponding central angle be 360 °/N, be equipped on the outer circumference surface at each draw monomer both ends and shrink outward respectively
The sliding bevel of cone, N number of draw monomer splices with one heart to be mounted between driving head and guide flange, two adjacent contractings
By tangential spring supporting between the corresponding side of pipe monomer, the both ends of the spring are separately fixed at corresponding two draws
In fixing groove on the side of monomer, which is cylindrical and matches with spring that draw monomer is both supported upon by spring
On driving head and guide flange, two sliding bevels on each draw monomer match weight with guiding surface and driving inclined-plane respectively
Merging forms sliding pair.
2. hollow type nozzle constriction device according to claim 1, it is characterized in that: the inner peripheral surface of the main body outer end
The retention bead of the annular projected radially inwards equipped with one week, the outer circumference surface of the driving head and the inner circle of retention bead
Circumferential surface is overlapped, and the outer end of driving head is protruding across retention bead, and one week edge is equipped on the outer circumference surface of driving head inner end
The cricoid positioning protrusion projected radially outwardly, the positioning protrusion are overlapped with the inner peripheral surface of main body, the retention bead and
It is equipped with the hydraulic fluid chamber first of annular and sealing between positioning protrusion, is equipped between positioning protrusion and Seal end plate annular and sealing
Hydraulic fluid chamber second.
3. hollow type nozzle constriction device according to claim 2, it is characterized in that: the retention bead and driving head it
Between, between positioning protrusion and main body, Seal end plate between sliding tail and main body be equipped with the corresponding sealing ring being close to.
4. hollow type nozzle constriction device according to claim 1-3, it is characterized in that: the main body is equipped with
Radially perforative oilhole first and oilhole second, oilhole first and oilhole second are connected to hydraulic fluid chamber first and hydraulic fluid chamber second respectively.
5. hollow type nozzle constriction device according to claim 1, it is characterized in that: the draw monomer includes mold base
Monomer and mold monomers, the mold base monomer are the fan shape that with inside and outside two arc surfaces and central angle is 360 °/N,
The sliding bevel is located at the both ends of the exterior arc surface of mold base monomer, and the fixing groove is located at the two sides of mold base monomer
On face, the sliding rail of axially mounted dove-tail form is equipped on the inner arc surface of each mold base monomer, each mold base monomer is equal
Matching mold monomers are fixed with by sliding rail, which is the fan shape with inside and outside two arc surfaces.
6. hollow type nozzle constriction device according to claim 1, it is characterized in that: the driving head and sliding tail pass through
The periphery for being threadedly coupled, and contacting between driving head and sliding tail is equipped with one week sealing ring being close to.
7. hollow type nozzle constriction device according to claim 1, it is characterized in that: the quantity N of the mold base monomer
Not less than eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358665.2A CN109940097B (en) | 2019-04-30 | 2019-04-30 | Hollow pipe orifice shrinking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358665.2A CN109940097B (en) | 2019-04-30 | 2019-04-30 | Hollow pipe orifice shrinking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109940097A true CN109940097A (en) | 2019-06-28 |
| CN109940097B CN109940097B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910358665.2A Active CN109940097B (en) | 2019-04-30 | 2019-04-30 | Hollow pipe orifice shrinking device |
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| Country | Link |
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| CN (1) | CN109940097B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544858A (en) * | 2019-09-25 | 2019-12-06 | 南安市耶郞新材料科技有限公司 | Compression-cracking-preventing necking machine for head of clamping plate type male shell |
| CN111331046A (en) * | 2020-03-19 | 2020-06-26 | 浙江锐程机械制造有限公司 | Die holder uniform distribution method, die holder uniform distribution mechanism and double-conical-channel buckling press |
| CN111570643A (en) * | 2020-05-26 | 2020-08-25 | 成都佰缇丽贸易有限公司 | Necking machine |
| CN112122472A (en) * | 2020-06-28 | 2020-12-25 | 浙江赛格园林机械有限公司 | Pipe reducing device of pipe reducing machine |
| CN112845912A (en) * | 2021-01-26 | 2021-05-28 | 秦皇岛开发区海岸机械制造有限公司 | Three-way catalytic purifier closing-in sizing device and method |
| CN113366977A (en) * | 2021-06-02 | 2021-09-10 | 山东永丰液压机械有限公司 | Light straw bundling and ring-collecting machine and using method thereof |
| CN113600630A (en) * | 2021-08-09 | 2021-11-05 | 西北工业大学 | Drawing method of pipe |
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| CN209849699U (en) * | 2019-04-30 | 2019-12-27 | 河南时捷机械设备有限公司 | Hollow pipe orifice shrinking device |
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| EP0043593A1 (en) * | 1980-07-09 | 1982-01-13 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Device for joining two flanges |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544858A (en) * | 2019-09-25 | 2019-12-06 | 南安市耶郞新材料科技有限公司 | Compression-cracking-preventing necking machine for head of clamping plate type male shell |
| CN111331046A (en) * | 2020-03-19 | 2020-06-26 | 浙江锐程机械制造有限公司 | Die holder uniform distribution method, die holder uniform distribution mechanism and double-conical-channel buckling press |
| CN111570643A (en) * | 2020-05-26 | 2020-08-25 | 成都佰缇丽贸易有限公司 | Necking machine |
| CN112122472A (en) * | 2020-06-28 | 2020-12-25 | 浙江赛格园林机械有限公司 | Pipe reducing device of pipe reducing machine |
| CN112845912A (en) * | 2021-01-26 | 2021-05-28 | 秦皇岛开发区海岸机械制造有限公司 | Three-way catalytic purifier closing-in sizing device and method |
| CN113366977A (en) * | 2021-06-02 | 2021-09-10 | 山东永丰液压机械有限公司 | Light straw bundling and ring-collecting machine and using method thereof |
| CN113600630A (en) * | 2021-08-09 | 2021-11-05 | 西北工业大学 | Drawing method of pipe |
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| Publication number | Publication date |
|---|---|
| CN109940097B (en) | 2024-01-26 |
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