CN207695347U - A kind of special-shaped plug die of novel internal thread forming machine - Google Patents
A kind of special-shaped plug die of novel internal thread forming machine Download PDFInfo
- Publication number
- CN207695347U CN207695347U CN201721747474.8U CN201721747474U CN207695347U CN 207695347 U CN207695347 U CN 207695347U CN 201721747474 U CN201721747474 U CN 201721747474U CN 207695347 U CN207695347 U CN 207695347U
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- China
- Prior art keywords
- mold core
- internal thread
- ellipsoid
- round table
- table surface
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- 238000001125 extrusion Methods 0.000 claims abstract description 13
- 238000004513 sizing Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052802 copper Inorganic materials 0.000 abstract description 17
- 239000010949 copper Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
A kind of special-shaped plug die of novel internal thread forming machine disclosed by the utility model, including mold core and the die sleeve being coated on the mold core peripheral side, the center of the mold core, which is constituted, a sizing squeezing passage, both sides of the face of the sizing squeezing passage axially through the mold core, the sizing squeezing passage includes arcwall face feed zone, round table surface extruded segment, ellipsoid profiled section and round table surface discharging section successively along the direction of extrusion, and the medial surface of the ellipsoid profiled section is a cylindrical surface with certain ovality.The beneficial effects of the utility model are：So that the ovality of copper pipe internal thread product reduces, so that copper pipe internal thread product is intended to round, meet the requirement of product quality, at the same be greatly reduced caused by ovality is overproof rotating curve it is abnormal scrap accounting rate, production efficiency is improved, production cost is reduced.
Description
Technical field
The utility model is related to drawing copper tubes technical field of mold more particularly to a kind of novel internal thread forming machine use
Special-shaped plug die.
Background technology
Currently, the extrusion channel for the plug die that copper pipe internal thread product uses is circle, copper pipe internal thread product is by fixed
It is in rounded shape after the mould of position, enter in charging basket using molding machine V-type disk.This production technology has the following defects at present：When passing through
When plug die copper pipe internal thread product in rounded shape passes through V-type disk, under the action of the V-groove extruding force of V-type disk, it is easy to make
Copper pipe internal thread product becomes ovalisation, to the side such as winding curve, surface quality and winding mass in follow-up winding working procedure
Face can all generate certain influence.According to incompletely statistics, the spiral shell in the copper pipe of rotating curve exception caused by ovality is overproof every year
The accounting of scrapping of line product is up to 10% or more.For this purpose, applicant carried out beneficial exploration and trial, it is above-mentioned to have found solution
The method of problem, technical solution described below generate in this background.
Utility model content
Technical problem to be solved in the utility model：A kind of novel internal thread is provided in view of the deficiencies of the prior art
The special-shaped plug die of molding machine.
Following technical scheme may be used to realize in the technical issues of the utility model is solved：
A kind of special-shaped plug die of novel internal thread forming machine, including mold core and be coated on the mold core peripheral side
Die sleeve, the center of the mold core, which is constituted, a sizing squeezing passage, and the sizing squeezing passage is axially through the mould
The both sides of the face of core, which is characterized in that the sizing squeezing passage includes arcwall face feed zone, round table surface successively along the direction of extrusion
The bore of extruded segment, ellipsoid profiled section and round table surface discharging section, the round table surface extruded segment is gradually reduced along the direction of extrusion
And its input end is connect with the outlet end of the arcwall face feed zone, outlet end and the input end of the ellipsoid profiled section connect
It connects, the medial surface of the ellipsoid profiled section is a cylindrical surface with certain ovality, the bore of the round table surface discharging section
It is gradually expanded along the direction of extrusion and its input end is connect with the outlet end of the ellipsoid profiled section.
In a preferred embodiment of the utility model, connected by the way of hot insert cooperation between the mold core and die sleeve
It connects.
As a result of technical solution as above, the beneficial effects of the utility model are：The opposite sex of the utility model is fixed
The profiled section of the sizing squeezing passage of its mold core is arranged to the cylindrical surface with certain ovality by diameter mould, so that in copper pipe
Screw product has certain ovality in extrusion forming, when the copper pipe internal thread product with certain ovality enters molding machine
When V-type disk, V-type disk corrects the copper pipe internal thread product with certain ovality so that copper pipe internal thread product it is ellipse
Circularity reduces, so that copper pipe internal thread product is intended to round, meets the requirement of product quality, is greatly reduced simultaneously
What rotating curve was abnormal caused by ovality is overproof scraps accounting rate, improves production efficiency, reduces production cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the longitudinal sectional view of the utility model.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1 and Fig. 2, what is provided in figure is a kind of novel internal thread forming machine special-shaped plug die, including mold core
100 and by hot insert coordinate connection type be coated on the die sleeve 200 on 200 peripheral side of mold core.The center of mold core 100
Composition has a sizing squeezing passage 110, both sides of the face of the sizing squeezing passage 110 axially through mold core 100.
Sizing squeezing passage 110 includes arcwall face feed zone 111, round table surface extruded segment 112, ellipse successively along the direction of extrusion
Face profiled section 113 and round table surface discharging section 114, the bore of round table surface extruded segment 112 be gradually reduced along the direction of extrusion and its into
Mouth end is connect with the outlet end of shape face feed zone 111, and outlet end is connect with the input end of ellipsoid profiled section 113, round table surface
The bore of discharging section 114 is gradually expanded along the direction of extrusion and its input end is connect with the outlet end of ellipsoid profiled section 113.It is oval
The medial surface of face profiled section 113 is a cylindrical surface with certain ovality, and the ovality on the cylindrical surface need to be according to the contracting of product
Diameter situation and the extruding force situation of V-type disk etc. will meet the copper pipe internal thread product of extrusion forming because usually determining
Ovality is cancelled under the extruding force effect of V-type disk.When producing copper pipe, pass through the special-shaped plug die drawing of the utility model
Go out to carry the copper pipe of certain ovality, and have a certain degree in V-type disk itself slot, to offset copper pipe by the generation of V-type disk
Ovality.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (2)
1. a kind of special-shaped plug die of novel internal thread forming machine, including mold core and it is coated on the mold core peripheral side
Die sleeve, the center of the mold core, which is constituted, a sizing squeezing passage, and the sizing squeezing passage is axially through the mold core
Both sides of the face, which is characterized in that the sizing squeezing passage along the direction of extrusion successively include arcwall face feed zone, round table surface squeeze
Press section, ellipsoid profiled section and round table surface discharging section, the bore of the round table surface extruded segment be gradually reduced along the direction of extrusion and
Its input end is connect with the outlet end of the arcwall face feed zone, and outlet end and the input end of the ellipsoid profiled section connect
It connects, the medial surface of the ellipsoid profiled section is a cylindrical surface with certain ovality, the bore of the round table surface discharging section
It is gradually expanded along the direction of extrusion and its input end is connect with the outlet end of the ellipsoid profiled section.
2. the special-shaped plug die of novel internal thread forming machine as described in claim 1, which is characterized in that the mold core and mould
It is connected by the way of hot insert cooperation between set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747474.8U CN207695347U (en) | 2017-12-14 | 2017-12-14 | A kind of special-shaped plug die of novel internal thread forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747474.8U CN207695347U (en) | 2017-12-14 | 2017-12-14 | A kind of special-shaped plug die of novel internal thread forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207695347U true CN207695347U (en) | 2018-08-07 |
Family
ID=63026298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721747474.8U Active CN207695347U (en) | 2017-12-14 | 2017-12-14 | A kind of special-shaped plug die of novel internal thread forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207695347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931349A (en) * | 2017-12-14 | 2018-04-20 | 上海龙阳精密复合铜管有限公司 | A kind of special-shaped plug die of new internal thread forming machine |
-
2017
- 2017-12-14 CN CN201721747474.8U patent/CN207695347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931349A (en) * | 2017-12-14 | 2018-04-20 | 上海龙阳精密复合铜管有限公司 | A kind of special-shaped plug die of new internal thread forming machine |
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