CN208527975U - Special-shaped teeth internal screwed copper tube spinning mold - Google Patents
Special-shaped teeth internal screwed copper tube spinning mold Download PDFInfo
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- CN208527975U CN208527975U CN201821239860.0U CN201821239860U CN208527975U CN 208527975 U CN208527975 U CN 208527975U CN 201821239860 U CN201821239860 U CN 201821239860U CN 208527975 U CN208527975 U CN 208527975U
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- spinning apparatus
- copper tube
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Abstract
The utility model provides special-shaped teeth internal screwed copper tube spinning mold, including rotating die sleeve, first spinning apparatus and the second spinning apparatus, die sleeve housing is rotated outside the first spinning apparatus and the second spinning apparatus, first spinning apparatus and the second spinning apparatus and rotation die sleeve coaxial arrangement, first spinning apparatus includes the first spinning ring, second spinning ring and the first steel ball group, symmetrical arcuate furrow is offered on the opposite face of first spinning ring and the second spinning ring, the arcuate furrow of the arcuate furrow of first spinning ring and the second spinning ring is opposite to form semi-circular grooves, the steel ball of first steel ball group is distributed in semi-circular grooves, second spinning apparatus includes third spinning ring, 4th spinning ring and the second steel ball group, it is characterized in that, rotation die sleeve inner wall has an annular convex platform, the boss keeps apart the first spinning apparatus and the second spinning apparatus.Two sets of spinning apparatus are mounted on the same rotating mould and put on by the utility model, and radial position and spinning force of the different spinning apparatus steel balls on spinning ring can be adjusted respectively.
Description
Technical field
The utility model relates to inner screw thread copper pipe processing technique field, especially special-shaped teeth internal screwed copper tube spinning device neck
Domain.
Background technique
Seamless internal thread copper pipe is very widely used in refrigerating field, and air conditioner condensation can be made in seamless internal thread copper pipe
Device, radiator etc., the internal thread structure of copper pipe inner wall are a significant increase the heat exchange surface area of copper pipe inner wall, improve heat exchange
Efficiency.Internal thread machining in seamless internal thread copper pipe generallys use outer mold, the mode of interior die assembly carries out machine-shaping,
Outer mold generallys use (steel ball) spinning machine；Interior mold generally includes travel core, connecting rod, screw thread core print composition, screw thread core print
Thread groove is equipped with above circumference, entire copper pipe moves under the action of traction mechanism, and copper pipe is mobile, passes through screw thread core print and steel ball
Between gap when, the high-speed rotating steel ball of spinning machine to copper pipe outer surface carry out spinning, squeeze copper pipe outer make
Copper pipe inner wall, which extends, enters the interior formation internal screw thread of thread groove of thread core head surface, demoulds after screw thread core print, after sizing
Mould just completes the process of internal screw thread tooth.Specifically, high-speed rotating steel ball needs are outer matches a pair of of spinning ring to fix
Steel ball, spinning ring need to be encased in work head again, and work head connects high-speed motor, to form the high-speed rotating spinning of steel ball
Mechanism.The processing of copper pipe internal screw thread is by the circumferential interior compression steel ball of spinning, and a pair of of spinning ring inside is arc-shaped and steel ball, rotation
Pressure ring is squeezed to steel ball direction, will form a downward pressure to steel ball, the downward pressure of steel ball and steel ball are in spinning
The dynamic lower high speed rotation around copper pipe formed of annulus forms spinning to copper pipe wall, to be pressed into screw thread core print in inside pipe wall
In mold, the processing of interior table groove tooth is formd.The circumferential inside of spinning is squeezed, then steel ball floats downwards, and spinning ring unclamps then steel ball
It will float upwards under copper pipe reaction, so as to form the adjustment of Working position.Therefore the opposite position of spinning ring and steel ball
Setting is the key that form steel ball to be pressed down against power and operating position, needs to constantly regulate in production.In order to further increase copper
The inner wall surface area of pipe, now with a kind of special-shaped teeth internal screwed copper tube, also referred to as two-wire inner screw thread copper pipe, i.e., there are two for copper pipe inner wall
The screw thread (two groups of screw threads, screw thread are different from the angle of axis) that group is interweaved, and the processing for special-shaped teeth internal screwed copper tube,
Two sets of spinning machines and corresponding two external threadings core print are needed, one kind as shown in 106623553 B of Chinese patent literature CN is double
Line forming of internal thread copper pipes device is equipped with step of threads core print, second level screw thread core print, level-one spinning machine, second level spinning machine,
But the document is not explained with regard to the spinning ring of two-stage spinning machine and how adjusting for steel ball relative position.
Utility model content
The purpose of the utility model is to provide a kind of spinning ring positions opposite with steel ball for being conducive to simplify two-stage spinning machine
Set the special-shaped teeth internal screwed copper tube spinning mold of adjustment.
The special-shaped teeth internal screwed copper tube spinning mold of the utility model, including rotation die sleeve, the first spinning apparatus and second
Spinning apparatus rotates die sleeve housing outside the first spinning apparatus and the second spinning apparatus, the first spinning apparatus and the second spinning dress
It sets and includes the first spinning ring, the second spinning ring and the first steel ball group with rotation die sleeve coaxial arrangement, first spinning apparatus,
Symmetrical arcuate furrow, the arcuate furrow of the first spinning ring and are offered on the opposite face of first spinning ring and the second spinning ring
The arcuate furrow of two spinning rings is opposite to form semi-circular grooves, and the steel ball of the first steel ball group is distributed in semi-circular grooves, described
The second spinning apparatus include third spinning ring, the 4th spinning ring and the second steel ball group, third spinning ring and the 4th spinning ring
Symmetrical arcuate furrow is offered on opposite face, the arcuate furrow of third spinning ring and the arcuate furrow of the 4th spinning ring are with respect to shape
At semi-circular grooves, the steel ball of the second steel ball group is distributed in semi-circular grooves, and the axial ends for rotating die sleeve is respectively fixed with
First end cover and second end cover, the inside of the first cover board have the first engaging portion being resisted against on the first spinning apparatus, the second lid
There is the second engaging portion being resisted against on the second spinning apparatus, characterized in that rotation die sleeve inner wall has a convex annular on the inside of plate
Platform, the boss keep apart the first spinning apparatus and the second spinning apparatus.
Above-mentioned special-shaped teeth internal screwed copper tube spinning mold, which is characterized in that the first engaging portion is resisted against the first spinning ring
On, the second engaging portion is resisted against the 4th spinning ring.
Above-mentioned special-shaped teeth internal screwed copper tube spinning mold, which is characterized in that be equipped between first end cover and rotation die sleeve
Gasket.Gasket is added and subtracted between rotation die sleeve and first end cover, can be along rotation axially adjustable (displacement) first end cover of die sleeve, it can
With adjust the first spinning apparatus the first spinning ring, the second spinning ring relative axial position, and then adjust steel ball in spinning ring
Radial position and spinning force in semi-circular grooves.
Above-mentioned special-shaped teeth internal screwed copper tube spinning mold, which is characterized in that be equipped between second end cover and rotation die sleeve
Gasket.Gasket is added and subtracted between rotation die sleeve and second end cover, can be along rotation axially adjustable (displacement) second end cover of die sleeve, it can
With adjust the second spinning apparatus third spinning ring, the 4th spinning ring relative axial position, and then adjust steel ball in spinning ring
Radial position and spinning force in semi-circular grooves.
Above-mentioned special-shaped teeth internal screwed copper tube spinning mold, which is characterized in that first end cover and second end cover pass through fixation
Screw is fixed on rotating mould and puts on.
The utility model has the advantage of rotate the boss design among die sleeve, two sets of rotations can be filled by making to rotate in die sleeve
Pressure device, i.e. the first spinning apparatus and the second spinning apparatus, in addition being located at the first end cover and second end cover at rotation die sleeve both ends
It is respectively acting on the first spinning apparatus and the second spinning apparatus, two sets of spinning apparatus work do not interfere with each other, are advantageously implemented simultaneously
Two sets of spinning apparatus are mounted on the same rotating mould and put on, but the steel ball of different spinning apparatus is in spinning ring semi-circular grooves
Radial position and spinning force can adjust respectively.
Detailed description of the invention
Fig. 1 is the inner screw thread copper pipe processing unit (plant) structure for having used the utility model abnormity teeth internal screwed copper tube spinning mold
Schematic diagram.
Fig. 2 is the rotation die sleeve structure schematic diagram of the utility model abnormity teeth internal screwed copper tube spinning mold.
Fig. 3 is the rotation die sleeve axial end face schematic diagram of the utility model abnormity teeth internal screwed copper tube spinning mold.
Fig. 4 is the first end cover structural schematic diagram of the utility model abnormity teeth internal screwed copper tube spinning mold.
Fig. 5 is the first end cover end view of the utility model abnormity teeth internal screwed copper tube spinning mold.
Fig. 6 is the second end cover structural schematic diagram of the utility model abnormity teeth internal screwed copper tube spinning mold.
Fig. 7 is the second end cover end view of the utility model abnormity teeth internal screwed copper tube spinning mold.
Specific embodiment
When the embodiment of the present invention refers to the ordinal numbers such as " first ", " second ", unless based on context its express really it is suitable
The meaning of sequence, it should be understood that only play differentiation and be used.
In the following, the utility model is described further in conjunction with attached drawing and specific embodiment,
In conjunction with Fig. 1, abnormity teeth internal screwed copper tube spinning mold use provided by the utility model is in internal screw thread copper pipe processing
In device, which includes the traction of the pre- drawing-die 7 of tube reducing for being located at 6 outside of copper pipe, driving copper pipe movement
Mechanism (not shown), copper pipe is interior to be equipped with connecting rod 61, and one end of the connecting rod 61 is equipped with prestretching corresponding with the pre- drawing-die 7 of tube reducing
Core print 71, the connecting rod other end are equipped with step of threads core print 81 and second level screw thread core print 82, the outside of copper pipe and pair of screw thread core print
It should locate to be equipped with special-shaped teeth internal screwed copper tube spinning mold 9.Special-shaped teeth internal screwed copper tube spinning mold, including rotation die sleeve 1, first
Spinning apparatus 2 and the second spinning apparatus 3 rotate die sleeve housing outside the first spinning apparatus and the second spinning apparatus, the first spinning
Device and the second spinning apparatus and rotation die sleeve coaxial arrangement, first spinning apparatus include the first spinning ring 21, second
Symmetrical arcuate furrow is offered on the opposite face of spinning ring 22 and the first steel ball group 23, the first spinning ring and the second spinning ring,
The arcuate furrow of the arcuate furrow of first spinning ring and the second spinning ring is opposite to form semi-circular grooves, the steel ball of the first steel ball group
It is distributed in semi-circular grooves, second spinning apparatus includes third spinning ring 31, the 4th spinning ring 32 and the second steel ball
Symmetrical arcuate furrow, the arc ditch of third spinning ring are offered on the opposite face of group 33, third spinning ring and the 4th spinning ring
The arcuate furrow of slot and the 4th spinning ring is opposite to form semi-circular grooves, and the steel ball of the second steel ball group is distributed in semi-circular grooves
Interior, the axial ends for rotating die sleeve is respectively fixed with the first end cover 4 of annular and the second end cover 5 of annular, in conjunction with Fig. 4, first
The inside of end cap has the first engaging portion 44 for being resisted against on the first spinning ring, in conjunction with Fig. 6, the inside of second end cover have against
In the second engaging portion 53 of the 4th spinning ring, in conjunction with Fig. 2 and Fig. 3, rotating die sleeve inner wall has an annular convex platform 11, which will
First spinning apparatus and the second spinning apparatus are kept apart, and two sets of spinning apparatus work are not interfere with each other.In conjunction with Fig. 1, first end cover
It is equipped with gasket 41 between rotation die sleeve, is equipped with gasket 51 between second end cover and rotation die sleeve.In conjunction with Fig. 2 and Fig. 3 rotating mould
It puts on and is equipped with one group of totally 3 through-hole 13 being axially arranged of totally 3 threaded holes 12 being axially arranged and one group, threaded hole 12, through-hole
13 along rotation die sleeves circumferential direction it is uniformly distributed, first end cover is equipped with one group of totally 3 counterbores 42 corresponding with threaded hole 12 and one group totally 3
A hole 43 corresponding with through-hole 13, each counterbore 42 and through-hole 13 are uniformly distributed along the circumferential direction of first end cover, and second end cover is equipped with one group totally 3
A threaded hole 52 corresponding with through-hole 13, the counterbore 42 that the first fixed screw 14 passes through first end cover are combined with threaded hole 12, will
First end cover is fixed on rotation die sleeve, and the second screw 15 passes through hole 43 and through-hole 13 along first end cover and combined with threaded hole 52, will
Second end cover is fixed on rotation die sleeve, i.e. first end cover 4 and second end cover 5 is fixed by screws in rotating mould and puts on.By
It rotates and adds and subtracts gasket 41 between die sleeve and first end cover, the can be adjusted along rotation axially adjustable (displacement) first end cover 4 of die sleeve
First spinning ring of one spinning apparatus, the second spinning ring relative axial position, and then the steel ball of the first steel ball group is adjusted in spinning
Radial position and spinning force in ring semi-circular grooves；It, can be with by adding and subtracting gasket between rotation die sleeve and second end cover
Along rotation axially adjustable (displacement) first end cover 4 of die sleeve, the adjustment third spinning ring of the second spinning apparatus, the 4th spinning annulate shaft to
Relative position, and then adjust radial position and spinning force of the steel ball of the first steel ball group in spinning ring semi-circular grooves.It is convex
Platform 11, which is advantageously implemented two sets of spinning apparatus and is mounted on the same rotating mould, to be put on, but the steel ball of different spinning apparatus is in spinning ring
Radial position and spinning force in semi-circular grooves can be adjusted respectively, not interfere with each other.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (9)
1. special-shaped teeth internal screwed copper tube spinning mold, including rotation die sleeve (1), the first spinning apparatus (2) and the second spinning apparatus
(3), rotation die sleeve housing is outside the first spinning apparatus and the second spinning apparatus, the first spinning apparatus and the second spinning apparatus and rotation
Revolving die set coaxial arrangement, first spinning apparatus include the first spinning ring (21), the second spinning ring (22) and the first steel ball
Symmetrical arcuate furrow, the arc of the first spinning ring are offered on the opposite face of group (23), the first spinning ring and the second spinning ring
The arcuate furrow of groove and the second spinning ring is opposite to form semi-circular grooves, and the steel ball of the first steel ball group is distributed in semi-circular grooves
Interior, second spinning apparatus includes third spinning ring (31), the 4th spinning ring (32) and the second steel ball group (33), third rotation
Symmetrical arcuate furrow, the arcuate furrow and the 4th spinning of third spinning ring are offered on the opposite face of pressure ring and the 4th spinning ring
The arcuate furrow of ring is opposite to form semi-circular grooves, and the steel ball of the second steel ball group is distributed in semi-circular grooves, rotates die sleeve
Axial ends is respectively fixed with the first cover board (4) and the second cover board (5), and the inside of the first cover board, which has, is resisted against the first spinning dress
The first engaging portion set, the second cover board inside have the second engaging portion being resisted against on the second spinning apparatus, characterized in that rotation
Revolving die set inner wall has an annular convex platform (11), which keeps apart the first spinning apparatus and the second spinning apparatus.
2. abnormity teeth internal screwed copper tube spinning mold according to claim 1, which is characterized in that the first engaging portion is resisted against
On first spinning ring, the second engaging portion is resisted against the 4th spinning ring.
3. abnormity teeth internal screwed copper tube spinning mold according to claim 1 or 2, which is characterized in that the first cover board and rotation
Gasket is equipped between revolving die set.
4. abnormity teeth internal screwed copper tube spinning mold according to claim 1 or 2, which is characterized in that the second cover board and rotation
Gasket is equipped between revolving die set.
5. abnormity teeth internal screwed copper tube spinning mold according to claim 3, which is characterized in that the second cover board and rotating mould
Gasket is equipped between set.
6. abnormity teeth internal screwed copper tube spinning mold according to claim 1 or 2, which is characterized in that the first cover board (4) and
Second cover board (5) is fixed by screws in rotating mould and puts on.
7. abnormity teeth internal screwed copper tube spinning mold according to claim 3, which is characterized in that the first cover board (4) and the
Two cover boards (5) are fixed on rotating mould by fixed screw and put on.
8. abnormity teeth internal screwed copper tube spinning mold according to claim 4, which is characterized in that the first cover board (4) and the
Two cover boards (5) are fixed on rotating mould by fixed screw and put on.
9. abnormity teeth internal screwed copper tube spinning mold according to claim 5, which is characterized in that the first cover board (4) and the
Two cover boards (5) are fixed on rotating mould by fixed screw and put on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821239860.0U CN208527975U (en) | 2018-08-02 | 2018-08-02 | Special-shaped teeth internal screwed copper tube spinning mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821239860.0U CN208527975U (en) | 2018-08-02 | 2018-08-02 | Special-shaped teeth internal screwed copper tube spinning mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208527975U true CN208527975U (en) | 2019-02-22 |
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ID=65386125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821239860.0U Active CN208527975U (en) | 2018-08-02 | 2018-08-02 | Special-shaped teeth internal screwed copper tube spinning mold |
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| Country | Link |
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| CN (1) | CN208527975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838309A (en) * | 2018-08-02 | 2018-11-20 | 海亮奥托铜管（广东）有限公司 | Special-shaped teeth internal screwed copper tube spinning mold |
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2018
- 2018-08-02 CN CN201821239860.0U patent/CN208527975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838309A (en) * | 2018-08-02 | 2018-11-20 | 海亮奥托铜管（广东）有限公司 | Special-shaped teeth internal screwed copper tube spinning mold |
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