CN107336426A - A kind of new PVDF bend pipes core rod - Google Patents
A kind of new PVDF bend pipes core rod Download PDFInfo
- Publication number
- CN107336426A CN107336426A CN201710689812.5A CN201710689812A CN107336426A CN 107336426 A CN107336426 A CN 107336426A CN 201710689812 A CN201710689812 A CN 201710689812A CN 107336426 A CN107336426 A CN 107336426A
- Authority
- CN
- China
- Prior art keywords
- core rod
- ball
- pvdf
- bend pipes
- support base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Laminated Bodies (AREA)
Abstract
A kind of new PVDF bend pipes core rod, it includes core rod, described core rod one end is connected with bearing, support meanss are provided with the seat end surface, the support meanss include multiple rolling-ball units being sequentially connected, and are hinged between the multiple rolling-ball unit, and the rolling-ball unit includes ball, support base, the support base is arranged at ball left and right ends, and both are connected by rotating shaft.It is an object of the invention to provide a kind of new PVDF bend pipes core rod, it is easily drawn out after the completion of bend pipe, is not easy scratch PVDF inside pipe walls, improves production efficiency and quality.
Description
Technical field
The invention belongs to PVDF pipe manufacture fields, specially a kind of new PVDF bend pipes core rod.
Background technology
PVDF pipes are widely used in various industrial equipments, building and electric equipment；Moved towards according to pipeline, arrangement requirement
Deng PVDF pipes must be bent to suitable angle.Then known bend pipe process will for bend pipe core rod is penetrated in PVDF pipes
PVDF manage and bend pipe core rod preheats simultaneously, after the completion of preheating, by PVDF pipes together with bend pipe core rod be fitted into bend pipe mould with
Bend pipe is completed, to ensure that the PVDF pipes ovality after bend pipe is not exceeded；Bend pipe core rod is extracted out from PVDF pipes after the completion of bend pipe.
Conventional bend pipe core rod using high-temperature steam flexible pipe, be provided with high-temperature steam flexible pipe metal bellow with
High-temperature steam flexible pipe and PVDF pipes are supported, prevents from deforming.The costly of this bend pipe core rod, service life are short, are not easy to purchase, curved
It is not easy from PVDF pipes to extract bend pipe core rod out after the completion of pipe, reduces production efficiency；And easily will in bend pipe core rod extraction
PVDF inside pipe wall scratches, cause to produce bad.
The content of the invention
The purpose of the present invention is to be directed to problem above, there is provided a kind of new PVDF bend pipes core rod, is easy to take out after forming elbow
Go out, be not easy scratch PVDF inside pipe walls, improve production efficiency and quality, reduce cost.
To realize object above, the technical solution adopted by the present invention is：It includes core rod（1）, the core rod（1）One
End is connected with bearing（2）, the other end is provided with gripping handle（19）；The core rod（1）And bearing（2）Pref. cylindrical, institute
State bearing（2）Support meanss are provided with end face, the support meanss include multiple rolling-ball units being sequentially connected（3）, it is described
Multiple rolling-ball units（3）Between be hinged；The rolling-ball unit（3）Stretch into PVDF pipes, the rolling-ball unit（3）Including rolling
Pearl（4）, support base（5）, the ball（4）Diameter be more than core rod（1）And bearing（2）Diameter, the support base（5）If
It is placed in ball（4）Left and right ends, both pass through rotating shaft（6）Connection.
Further, the support base（5）Connecting rod is provided with outer face（7）, the connecting rod（7）Branch is stretched out in one end
Support seat（5）, the connecting rod（7）Pass through bearing pin（8）With front rolling-ball unit（3）Support base（5）It is flexibly connected, connected rolling
Pearl unit（3）Bearing pin can be surrounded（8）Rotate.
Further, the ball（4）Two are arranged at intervals with up and down, upper and lower two balls（4）The distance of outer face is big
In core rod（1）And bearing（2）Diameter.
Further, the ball（4）For taper roller, the ball（4）The diameter of both ends annulus is less than middle circle
Diameter.
Further, it is raising service life, the core rod（1）, bearing（2）It is preferably stainless using high temperature resistant material
Steel.
Further, the support base（5）Outboard end and connecting rod（7）The groove being engaged is provided with medial extremity（9）.
Further, the core rod（1）On be provided with external screw thread（10）, the core rod（1）On be threaded with gear
Plate（11）.
Further, in order to accurately know distance that core rod is stretched into PVDF pipes, the core rod（1）On be provided with quarter
Spend line.
Further, the support base（5）Including fixed seat（12）And sliding seat（13）, the sliding seat（13）It is arranged at
Fixed seat（12）Both ends, the sliding seat（13）On be provided with for fixed rotating shaft（6）Mounting hole（14）, the sliding seat
（13）Side is provided with adjustable plate（15）, the both ends sliding seat（13）On adjustable plate（15）Stacked on top is set, described solid
Reservation（12）Medial extremity is provided with stopper slot（16）, the adjustable plate（15）Stretch into stopper slot（16）It is interior, the adjustable plate（15）On
It is provided with the through hole of strip（17）, the through hole（17）Interior pass through has for lock adjustment plate（15）Regulating bolt（18）,
The regulating bolt（18）Screw rod end be fixed on fixed seat（12）On.
Beneficial effects of the present invention：High-temperature steam flexible pipe is substituted using the rolling-ball unit of flexible connection to prop up PVDF pipes
Support, substitutes existing sliding friction so that be easy to draw it out after forming elbow and be not easy in scratch PVDF pipes by rolling friction
Wall, improve production efficiency and quality；Using rolling-ball unit, its service life length, entreprise cost is saved.
1st, PVDF pipes are supported using multiple rolling-ball units, and the ball in rolling-ball unit is taper roller, can be more preferable
Offer inwall support, ensure PVDF pipe it is curved after ovality it is not exceeded.
2nd, sliding seat can stretch out according to PVDF pipes diameter of inner pipe, with the distance between two balls of regulation, improve curved
The applicability of pipe die core.
3rd, baffle plate and can clearly know what rolling-ball unit stretched into being rotated in core rod and up and down by graduation mark
Depth in PVDF pipes.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present invention.
Fig. 2 is rolling-ball unit connection diagram.
Fig. 3 is rolling-ball unit structural representation.
Fig. 4 is support base inner face structural representation.
Label character is expressed as described in figure：1st, core rod；2nd, bearing；3rd, rolling-ball unit；4th, ball；5th, support base；6、
Rotating shaft；7th, connecting rod；8th, bearing pin；9th, groove；10th, external screw thread；11st, baffle plate；12nd, fixed seat；13rd, sliding seat；14th, mounting hole；
15th, adjustable plate；16th, stopper slot；17th, through hole；18th, regulating bolt；19th, gripping handle.
Embodiment
In order that those skilled in the art more fully understand technical scheme, the present invention is entered below in conjunction with the accompanying drawings
Row is described in detail, and the description of this part is only exemplary and explanatory, should not there is any limitation to protection scope of the present invention
Effect.
As Figure 1-Figure 4, concrete structure of the invention is：It includes core rod 1, and described one end of core rod 1 is connected with
Bearing 2, the other end are provided with gripping handle 19；Support meanss are provided with the end face of bearing 2, the support meanss include more
The individual rolling-ball unit 3 being sequentially connected, it is hinged between the multiple rolling-ball unit 3；The rolling-ball unit 3 includes ball 4, branch
Seat 5 is supportted, the support base 5 is arranged at the left and right ends of ball 4, and both are connected by rotating shaft 6.
Preferably, connecting rod 7 is provided with the support base 5, the connecting rod 7 passes through bearing pin 8 and front rolling-ball unit
Support base 5 be flexibly connected.
Preferably, the ball is arranged at intervals with two about 4.
Preferably, the ball 4 is taper roller, and the diameter of the both ends annulus of ball 4 is less than the diameter of middle circle.
Preferably, the core rod 1, bearing 2 are stainless steel.
Preferably, it is provided with the groove 9 being engaged on the outboard end of support base 5 and the medial extremity of connecting rod 7.
Preferably, external screw thread 10 is provided with the core rod 1, baffle plate 11 is threaded with the core rod 1.
Preferably, it is provided with graduation mark in the core rod 1.
Preferably, the support base 5 includes fixed seat 12 and sliding seat 13, and the sliding seat 13 is arranged at 12 liang of fixed seat
Hold, the mounting hole 14 for fixed rotating shaft 6 is provided with the sliding seat 13, the side of sliding seat 13 is provided with adjustable plate
15, the stacked on top of adjustable plate 15 on the both ends sliding seat 13 is set, and the medial extremity of fixed seat 12 is provided with stopper slot 16, institute
State adjustable plate 15 to stretch into stopper slot 16, the through hole 17 of strip is provided with the adjustable plate 15, is passed through in the through hole 17
There is the regulating bolt 18 for lock adjustment plate 15, the screw rod end of the regulating bolt 18 is fixed in fixed seat 12.
During specific works：The quantity of adjustment rolling-ball unit 3 as requested, whole rolling-ball unit 3 is pushed into PVDF pipes, up and down
The cambered surface of the ball 4 at both ends matches with PVDF inside pipe wall shapes, and grips gripping handle 19 and adjust core rod 1, makes ball 4
PVDF pipes, which can be supported, to be prevented from deforming；After forming elbow, rolling-ball unit 3 is extracted out.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so which key element process, method, article or equipment including a series of elements not only include, and
And also include the other element being not expressly set out, or also include for this process, method, article or equipment institute inherently
Key element.
Specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example
It is only intended to help the method and its core concept for understanding the present invention.Described above is only the preferred embodiment of the present invention, should
When pointing out due to the finiteness of literal expression, and unlimited concrete structure objectively be present, for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined by rights；These improve retouching, change or combination, or the not improved structure by invention
Think and technical scheme directly applies to other occasions, be regarded as protection scope of the present invention.
Claims (9)
1. a kind of new PVDF bend pipes core rod, it is characterised in that it includes core rod（1）, the core rod（1）One end is connected with
Bearing（2）, the other end is provided with gripping handle（19）；The bearing（2）Support meanss, the support meanss are provided with end face
Including multiple rolling-ball units being sequentially connected（3）, the multiple rolling-ball unit（3）Between be hinged；The rolling-ball unit（3）
Including ball（4）, support base（5）, the support base（5）It is arranged at ball（4）Left and right ends, both pass through rotating shaft（6）Connection.
A kind of 2. new PVDF bend pipes core rod according to claim 1, it is characterised in that the support base（5）Upper setting
There is connecting rod（7）, the connecting rod（7）Pass through bearing pin（8）With the support base of front rolling-ball unit（5）It is flexibly connected.
A kind of 3. new PVDF bend pipes core rod according to claim 1, it is characterised in that the ball（4）Between the upper and lower every
It is provided with two.
A kind of 4. new PVDF bend pipes core rod according to claim 1, it is characterised in that the ball（4）Rolled for taper
Pearl, the ball（4）The diameter of both ends annulus is less than the diameter of middle circle.
A kind of 5. new PVDF bend pipes core rod according to claim 1, it is characterised in that the core rod（1）, bearing
（2）For stainless steel.
A kind of 6. new PVDF bend pipes core rod according to claim 1, it is characterised in that the support base（5）Outboard end
And connecting rod（7）The groove being engaged is provided with medial extremity（9）.
A kind of 7. new PVDF bend pipes core rod according to claim 1, it is characterised in that the core rod（1）Upper setting
There is external screw thread（10）, the core rod（1）On be threaded with baffle plate（11）.
A kind of 8. new PVDF bend pipes core rod according to claim 1, it is characterised in that the core rod（1）Upper setting
There is graduation mark.
A kind of 9. new PVDF bend pipes core rod according to claim 1, it is characterised in that the support base（5）Including solid
Reservation（12）And sliding seat（13）, the sliding seat（13）It is arranged at fixed seat（12）Both ends, the sliding seat（13）Upper setting
Have and be used for fixed rotating shaft（6）Mounting hole（14）, the sliding seat（13）Side is provided with adjustable plate（15）, the both ends are slided
Seat（13）On adjustable plate（15）Stacked on top is set, the fixed seat（12）Medial extremity is provided with stopper slot（16）, the regulation
Plate（15）Stretch into stopper slot（16）It is interior, the adjustable plate（15）On be provided with the through hole of strip（17）, the through hole（17）It is interior
It is used for lock adjustment plate through having（15）Regulating bolt（18）, the regulating bolt（18）Screw rod end be fixed on fixed seat
（12）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689812.5A CN107336426B (en) | 2017-08-14 | 2017-08-14 | PVDF return bend mold core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689812.5A CN107336426B (en) | 2017-08-14 | 2017-08-14 | PVDF return bend mold core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107336426A true CN107336426A (en) | 2017-11-10 |
| CN107336426B CN107336426B (en) | 2023-02-28 |
Family
ID=60217739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710689812.5A Active CN107336426B (en) | 2017-08-14 | 2017-08-14 | PVDF return bend mold core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107336426B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB735214A (en) * | 1953-07-14 | 1955-08-17 | Frank Charles Tomlins | Improvements in or relating to mandrels for use in bending hollow tubular articles, such as electromagnetic wave guides |
| GB1043896A (en) * | 1963-08-22 | 1966-09-28 | H & H Engineering Company | Improvements in tube bending mandrel |
| US5351517A (en) * | 1991-12-10 | 1994-10-04 | Spaeth Walter | Method of, and a machine for, stretching and bending a profiled length of material |
| US20040244453A1 (en) * | 2001-05-21 | 2004-12-09 | Peter Schule | Device and method for bending profiles |
| CN101903115A (en) * | 2007-12-21 | 2010-12-01 | 乌尔可公司 | Method for lining a pipe or elbow |
| KR101255487B1 (en) * | 2012-03-27 | 2013-04-16 | 경일대학교산학협력단 | Two-roller type mandrel for bending of pipes with symmetrical cross section |
| CN207156449U (en) * | 2017-08-14 | 2018-03-30 | 岳阳高澜节能装备制造有限公司 | A kind of new PVDF bend pipes core rod |
-
2017
- 2017-08-14 CN CN201710689812.5A patent/CN107336426B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB735214A (en) * | 1953-07-14 | 1955-08-17 | Frank Charles Tomlins | Improvements in or relating to mandrels for use in bending hollow tubular articles, such as electromagnetic wave guides |
| GB1043896A (en) * | 1963-08-22 | 1966-09-28 | H & H Engineering Company | Improvements in tube bending mandrel |
| US5351517A (en) * | 1991-12-10 | 1994-10-04 | Spaeth Walter | Method of, and a machine for, stretching and bending a profiled length of material |
| US20040244453A1 (en) * | 2001-05-21 | 2004-12-09 | Peter Schule | Device and method for bending profiles |
| CN101903115A (en) * | 2007-12-21 | 2010-12-01 | 乌尔可公司 | Method for lining a pipe or elbow |
| KR101255487B1 (en) * | 2012-03-27 | 2013-04-16 | 경일대학교산학협력단 | Two-roller type mandrel for bending of pipes with symmetrical cross section |
| CN207156449U (en) * | 2017-08-14 | 2018-03-30 | 岳阳高澜节能装备制造有限公司 | A kind of new PVDF bend pipes core rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107336426B (en) | 2023-02-28 |
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