CN86100365B - Rolling machines for tapering screw-threads of tubes - Google Patents
Rolling machines for tapering screw-threads of tubes Download PDFInfo
- Publication number
- CN86100365B CN86100365B CN86100365A CN86100365A CN86100365B CN 86100365 B CN86100365 B CN 86100365B CN 86100365 A CN86100365 A CN 86100365A CN 86100365 A CN86100365 A CN 86100365A CN 86100365 B CN86100365 B CN 86100365B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- film
- bobbin drum
- films
- thread
- 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.)
- Expired
Links
- 238000005096 rolling process Methods 0.000 title claims description 26
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 229920003002 synthetic resin Polymers 0.000 abstract 3
- 239000000057 synthetic resin Substances 0.000 abstract 3
- 230000003449 preventive effect Effects 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000004745 nonwoven fabric Substances 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H9/00—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
- B21H9/02—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass for screw-rolling machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
To prevent the tension of a thread at a picking point onto a hose from scattering greatly, and to prevent the thread from being broken, by attaching ballooning preventive films securely to the inner circumferential surface of a bobbin drum with one end of each film along the axis of the bobbin drum. Two ballooning preventive films 16 are attached to the inner circumferential surface of a bobbin drum 25 at one end opposite to the side where a thread is reeled out with each film along the axis of the bobbin drum 25. The films 16 are positioned diametrically of the bobbin drum 25. Examples of the film 16 are synthetic resin films, nonwoven fabrics, paper, or the like that does not stick to the thread and has enough flexibility, with preference given to synthetic resin film of PE, or PP. The method of securing the films 16 uses thermal fusing, adhesives, holding plates, or other means and are selected, depending on the material. The film 16 has a thickness of 10-100mum if the film 16 is made of a synthetic resin, the height (h) is to be approximately equal to the height of the bobbin drum 25, and the width (b) is to be about 1/2 of the inner diameter of the bobbin drum 25.
Description
The present invention relates to scribe pipe on gas pipe, pipe joint etc. and moves back the rolling machine for tapping tube that pulls out screw thread.
The gas pipe that has earlier, pipe joint shown in the 1st figure like that, being carved with pipe on the peristome a1 of body one end moves back and pulls out screw thread b, such moving back pulled out screw thread and cut screw thread with screw die, not only make the wall thickness reduction of the peristome a1 of above-mentioned body a one end, and because the tissue of material is the cause that is cut, the active strength of threaded portion also incurs loss.
On the other hand, screw thread is pulled out in moving back of body a shown in the 2nd figure and the 3rd figure, pipe moves back that to pull out screw thread b produced by the rolling die of screw thread roll mill, it is not that cutting is made that this pipe moves back the threaded portion of pulling out screw thread b, but with the rolling die extrusion molding, so do not damage the tissue of material, therefore the active strength of above-mentioned threaded portion is not suffered a loss, but the rolling machine for tapping tube that has earlier is by the maintaining body that keeps the rolling mould, carrying out interlock with link mechanism and cam mechanism constitutes, it pushes three rolling dies to workpiece simultaneously with a cam, and cam must be changed because of different workpiece, so complex structure, size is also big, three rolling dies are pressed into towards the axis direction of workpiece simultaneously, and tubular workpieces is damaged by pressure, more can not process the light wall pipe screw thread.Therefore not only part count is many, and complex structure, and assembling is adjusted and the mainteinance repair trouble, and simultaneously, the whole maximization of device makes also difficulty of operation, and more because weight is big, the scene that move on to the installing pipeline is gone to use just very difficult.
The objective of the invention is in order to overcome above-mentioned difficulties, provide a kind of suitable simple to operateization small-sized lightness, rolled threaded of moving, can come the pipes of rolling different sizes move back the rolling machine for tapping tube that pulls out screw thread with the rolling die of various exchanges.
The present invention is fixing annular supporting member in a side of housing, on this annular supporting member, adorning rotatable parts securely, at least adorning 3 mould support plates with bearing pin on the above-mentioned annular supporting member, one end of these film tool support plates does not have the rolling die that can freely load and unload, one side of above-mentioned each mould support plate or above-mentioned rotatable parts, in the two above either party, be provided with cam portion, among both either party of above-mentioned each mould support plate or above-mentioned rotatable parts is provided with the roller that contacts with above-mentioned cam portion.
Below the illustrated embodiment of the present invention is described.
Fig. 1 to Fig. 3 is used for illustrating that pipe moves back the figure that pulls out screw thread,
Fig. 4 is to use the side (along the A-A line of Fig. 5) of the broken section of rolling machine for tapping tube of the present invention,
Fig. 5 is the same front elevation,
Fig. 6 and Fig. 7 are the figure that shows other embodiments of the invention,
In the 4th figure and the 5th figure, the 1st, the housing of platform dish type, fixing the annular supporting member 2 of circular plate type on one side (front) 1a of this housing 1, on this annular supporting member 2, adorning rotatable parts 4 with handle 3, can freely rotate, but can not fall out, and, on the outer peripheral portion in the front of above-mentioned annular supporting member 2 (reference the 5th figure), at least be provided with the guide hole 5 of 3 circular arcs, facing to these guide holes 5, on above-mentioned rotatable parts 4, be implanted with the bearing pin 7 of the band roller 6 that passes guide hole 5.In addition, facing to closely being close to of above-mentioned each guide hole 5, on the front of above-mentioned annular supporting member 2, have at least 3 mould support plates 8 to be adhered to by fulcrum 9 dresses, can freely rotate along the axle center, on the end of these mould support plates 8, be provided with through hole 10, facing to these through holes 10, on above-mentioned annular supporting member 2, also be provided with through hole (three places) 11() with reference to the 4th figure.In addition, on the outer peripheral edges of above-mentioned each mould support plate 8, be formed with cam portion 8a, on these cam portions 8a, above-mentioned each roller abuts against, and can move along axis direction.
On the one hand, in the front of above-mentioned each mould support plate 8, shown in the 4th figure like that, each compacting part 12 is by each isolated part 13 and the 14 dress sets of each screw, facing to above-mentioned each through hole 10, on above-mentioned each compacting part 12, each splined shaft free to rotate 15 is housed.In addition, on each splined shaft 15 between above-mentioned each mould support plate 8 and above-mentioned each compacting part 12, can adorn to form with freely loading and unloading and move back the spiral plate 16 that pulls out usefulness, for example, the mould 17 during with the screw roller, the spiral plate 16 that pulls out usefulness is moved back in cushion block 18 and formation.
In addition, be connected with each universal joint 20 of each power transmission shaft 19 in the end of above-mentioned each splined shaft 15, be connected with each driven gear (3) 22 on each universal joint 21 of these power transmission shaft 19 other end settings.In addition, these driven gears 22 are contained on the backboard 1b of above-mentioned housing 1 with bearing pin, and these driven gears 22 and the driving gear 23 that is contained on the above-mentioned backboard 1b with bearing pin mesh.And, on the gyroaxis 23a of this driving gear 23, drive 24 being housed, this drive 24 is connected with the output shaft 26a of motor 26 on being contained in above-mentioned housing 1 by belt 25.
Therefore, earlier wanting the rolling workpiece W that pulls out screw thread that moves back shown in the 5th figure, to insert like that by above-mentioned each rolling mould 17 circumjacent insertion section.
On the other hand, above-mentioned motor 26 is started, by each power transmission shaft 19 each rolling mould 17 and workpiece W are rotated together, handle 3 rotates simultaneously.Also just rotate with the rotatable parts 4 of these handle 3 one.Like this, each roller 6 of these rotatable parts 4 promotes each cam part 8a along each guide hole 5, and the outer peripheral face roof pressure of each rolling mould 17 of each mould support plate 8 of these cam part 8a to above-mentioned workpiece W, rolling moving back pulled out screw thread.
In addition, the rolling mould 17 of each of the above embodiments has illustrated relevant use thread roller and each spiral plate 16, but in the scope that does not change main idea of the present invention, also can freely change design, uses each the rolling mould 17 that forms the spirality screw.
Below, in the additional embodiments of the present invention shown in the 6th figure, on each mould support plate 8 with bearing pin adorning each roller 6 ', each cam portion 8a ' of these rollers 6 ' contact is formed on the inner peripheral of above-mentioned rotatable parts 4, and is identical with the structure of the above embodiments.
Then, among another embodiment shown in the 7th figure, each cam portion 8a of each mould support plate 8 and each cam part 27 that is contained on the annular supporting member 2 contact the device that formation can be rotated simultaneously.
Among aforesaid the present invention, on a side 1a of housing 1, installing annular supporting member 2, adorning the rotatable parts 4 that can not fall on this annular supporting member 2, on above-mentioned annular supporting member 2, adorning 3 mould support plates 8 with bearing pin at least, one end of these mould support plates 8 can be equipped with each rolling mould 17 with freely loading and unloading, one side of above-mentioned each mould support plate 8 or above-mentioned rotatable parts 4 among both either party above, be formed with each cam portion 8a, 8a ', above-mentioned each mould support plate 8 or rotatable parts 4 above either party, are provided with and above-mentioned cam portion 8a among both, contacted each roller 6 of 8a ', 6a ' makes the whole small-sized lightness of device, is convenient to relocate to the scene of installing pipeline, and it is easy to operate, in addition, can change each rolling mould 17, can be freely rolling the pipes of different sizes move back and pull out screw thread.
Claims (1)
1, a kind of rolling machine for tapping tube, it is characterized by, on its housing one side, installing annular supporting member, the rotatable parts that can not fall are housed on this annular supporting member, on above-mentioned annular supporting member, adorning at least 3 mould support plates with bearing pin, one end of these mould support plates is provided with removably each rolling mould, one side of above-mentioned each mould support plate or above-mentioned rotatable parts are formed with cam portion on either party among both, and either party is provided with the roller that contacts with above-mentioned each cam portion among both for above-mentioned each mould support plate or above-mentioned rotatable parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18181/1985 | 1985-02-12 | ||
| JP1985018181U JPH0451004Y2 (en) | 1985-02-12 | 1985-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86100365A CN86100365A (en) | 1986-08-13 |
| CN86100365B true CN86100365B (en) | 1988-11-23 |
Family
ID=11964441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86100365A Expired CN86100365B (en) | 1985-02-12 | 1986-02-07 | Rolling machines for tapering screw-threads of tubes |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0451004Y2 (en) |
| KR (1) | KR900002191B1 (en) |
| CN (1) | CN86100365B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH580462A5 (en) * | 1974-08-06 | 1976-10-15 | Habegger Harold |
-
1985
- 1985-02-12 JP JP1985018181U patent/JPH0451004Y2/ja not_active Expired
-
1986
- 1986-02-06 KR KR1019860000838A patent/KR900002191B1/en not_active IP Right Cessation
- 1986-02-07 CN CN86100365A patent/CN86100365B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61138442U (en) | 1986-08-28 |
| KR860006301A (en) | 1986-09-09 |
| CN86100365A (en) | 1986-08-13 |
| JPH0451004Y2 (en) | 1992-12-01 |
| KR900002191B1 (en) | 1990-04-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CI01 | Publication of corrected invention patent application |
Correct: The Japanese City Jade county in the town of toda down 2 chome 14 No. 29 False: Japan Saitama City Heda 2 chome Ting 14 No. 29 Number: 13 Page: 9 Volume: 2 |
|
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ERR | Gazette correction |
Free format text: CORRECT FROM: NO. 29, FAN, 14, DINGMU, 2, ZHONGTING, HUTIAN CITY, RIBENQIYU COUNTY TO: NO. 29, FAN,14, DINGMU, 2, ZHONGTING, HUTIAN CITY, RIBENKUAYU COUNTY |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |