CN203737882U - Non-flaring full-pull type pipe expanding mechanism - Google Patents
Non-flaring full-pull type pipe expanding mechanism Download PDFInfo
- Publication number
- CN203737882U CN203737882U CN201420137413.XU CN201420137413U CN203737882U CN 203737882 U CN203737882 U CN 203737882U CN 201420137413 U CN201420137413 U CN 201420137413U CN 203737882 U CN203737882 U CN 203737882U
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- CN
- China
- Prior art keywords
- radiator
- expanding mechanism
- crossbeam
- enlarging
- collet
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a pipe expanding mechanism, in particular to a non-flaring full-pull type pipe expanding mechanism to solve the problems that an existing pipe expanding device can damage a radiator fin, the deformation of a radiator is large, working procedures are complex and materials are wasted. A pressing plate, a left stop sheet, a beam and an unlocking plate are fixedly connected, the pressing plate, the left stop sheet, the beam, the unlocking plate and a right baffle are provided with coaxial through holes, an elastic chuck is arranged in the through holes, the elastic chuck and the unlocking plate are tightened tightly through the pressing plate, the left end of a metal pipe of the radiator is clamped in the elastic chuck, the right side of a fin of the radiator is provided with the right baffle, the fin of the radiator abuts against the right baffle, the right end of the metal pipe of the radiator penetrates through the through hole in the right baffle, an expansion rod penetrates through the metal pipe of the radiator from right to left, and the left end of the expansion rod penetrates through the through hole in the pressing plate to be connected with the expansion head. The pipe expanding mechanism is used for radiator pipe expanding.
Description
Technical field
The utility model relates to a kind of tube expanding mechanism, is specifically related to a kind of complete pull-up tube expanding mechanism without enlarging, belongs to air conditioner refrigerating technical field.
Background technology
Along with rise in price and the country requirement to air-conditioning efficiency of metal material, heat exchanger in process of production, need to be closely linked metal tube and suit fin thereon, can ensure good heat conductivility, and weight is lighter, service life is longer.The expansion tube method that people adopt at present has manual and automatic two kinds.Manual expansion tube method is that the expander roll with swollen ball is inserted and treats to swell in swollen type pipe, then extract expander roll out, this method is because aim at expander roll to treat swollen type pipe by artificial experience, and slightly deviation just needs again to aim at expand tube, thereby labour intensity is large and production efficiency is lower.Automatically the fast Functionality, quality and appealing design of speed of production, is applicable to producing in enormous quantities.
But there is following defect in existing tube expanding mechanism:
1, need to make fixture fixed heat sink, fixture can cause damage to heat radiator fin;
2, in swollen type process, metal tube is in tension state, and radiator distortion is large;
3, in swollen type process, will carry out enlarging at metal tube end, completing swollen type need cut off flared part, and operation is numerous and diverse, has reduced operating efficiency, and labour intensity is large, has caused the waste of material simultaneously;
4, in swollen type process, metal tube Length Contraction rate is large, and Length Contraction rate is generally 3%, waste material.
Utility model content
The above-mentioned defect that the utility model exists in order to solve existing tube expanding mechanism, and then a kind of complete pull-up tube expanding mechanism without enlarging is provided.
Technical solution adopted in the utility model is:
A kind of complete pull-up tube expanding mechanism without enlarging described in the utility model comprises left catch, swollen head, collet, pressure strip, crossbeam, unlocking board, right baffle plate and expander roll,
Described pressure strip, left catch, crossbeam, unlocking board and right baffle plate are arranged side by side from left to right, pressure strip, left catch, crossbeam is fixedly connected with unlocking board, described pressure strip, left catch, crossbeam, unlocking board and right baffle plate are provided with coaxial via hole, collet is arranged in via hole, and the larger diameter end of collet is positioned at the via hole of left catch and crossbeam, the smaller diameter end of collet is positioned at the via hole of crossbeam, collet tightens by pressure strip and unlocking board, the left end of the metal tube of radiator is clamped in collet, the fin right side of radiator is provided with right baffle plate, the fin of radiator and right baffle plate against, the right-hand member of the metal tube of radiator is through the via hole on right baffle plate, expander roll passes the metal tube of radiator from right to left, the left end of expander roll is connected with swollen head after passing the via hole on pressure strip.
Preferred: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises oiliness sponge, and oiliness sponge is arranged in the metal tube of radiator, expander roll passes the metal tube of radiator from right to left, and oiliness sponge is ejected to a kind of complete pull-up tube expanding mechanism without enlarging.So arrange, advance from right to left expander roll, expander roll is released the oiliness sponge that is arranged in metal tube, realizes double action clean, lubricated metal inside pipe wall.
Preferred: described collet is made one by half section, a left side with right half section, left half section is truncated cone-shaped structure, right half section is cylindrical structural, half section, a described left side cuts out multiple elongated gaps, each elongated gap is all offered along the generatrix direction of truncated cone-shaped structure, multiple elongated gap annular arrays are on the circumference of truncated cone-shaped structure, and the aperture of truncated cone-shaped structure is less than the aperture of the fin of radiator.
Preferred: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises connection top board and connecting bottom board, the upper end of described pressure strip and unlocking board connects by being connected top board, the lower end of pressure strip and unlocking board is connected by connecting bottom board, connect between top board and crossbeam and leave space, between connecting bottom board and crossbeam, leave space.So setting, is convenient to pressure strip and unlocking board is synchronized with the movement, and structure is more stable.
Preferred: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises sleeve pipe, and the endoporus of described sleeve pipe is unthreaded hole, on the outer wall of sleeve pipe, is processed with screw thread, and sleeve pipe is threaded with the via hole on crossbeam, and collar supports is between collet and unlocking board.So arrange, prevent collet left and right play.
Preferred: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises base, on the lower surface of described crossbeam and the lower surface of right baffle plate, base is installed.More reasonable structure is so set.
The utility model compared with prior art has following effect:
1, in expand tube process by swollen metal tube and expander roll all in tension state, thereby radiator distortion is little, need not make fixture fixed heat sink, both can obtain higher machining accuracy.Because the heat radiator fin without clamp pressing fragility just can not damage, simple to operate can ensure parts quality.
2, owing to adopting collet to firmly grasp metal tube, need not expand pipe end, also just omit Pipe Cutting manufacturing procedure, thereby improved efficiency, reduce labour intensity and material consumption.
3, due to metal tube bearing tension, the pipe length shrinkage factor of expand tube operation reduces greatly, is down to 2 ‰ by original 3%.Greatly save material.
Brief description of the drawings
Fig. 1 is a kind of structure chart of the complete pull-up tube expanding mechanism without enlarging;
Fig. 2 is the structure chart of collet;
Fig. 3 is the left view of Fig. 2;
In figure: 1 is left catch, 2 is oiliness sponge, and 3 is swollen head, 4 is collet, and 5 is pressure strip, and 6 for connecting top board, 7 is crossbeam, and 8 is unlocking board, and 9 is connecting bottom board, 10 is the fin of radiator, 11 metal tubes that are radiator, and 12 is dividing plate, 13 is right baffle plate, 14 is expander roll, and 15 is sleeve pipe, and 16 is base.
Detailed description of the invention
Elaborate with reference to the accompanying drawings the utility model preferred embodiment below.
Detailed description of the invention: a kind of complete pull-up tube expanding mechanism without enlarging of present embodiment comprises left catch 1, swollen 3, collet 4, pressure strip 5, crossbeam 7, unlocking board 8, right baffle plate 13 and expander roll 14, described pressure strip 5, left catch 1, crossbeam 7, unlocking board 8 and right baffle plate 13 are arranged side by side from left to right, pressure strip 5, left catch 1, crossbeam 7 and unlocking board 8 are bolted to connection, described pressure strip 5, left catch 1, crossbeam 7, unlocking board 8 and right baffle plate 13 are provided with coaxial via hole, collet 4 is arranged in via hole, and the larger diameter end of collet 4 is positioned at the via hole of left catch 1 and crossbeam 7, the smaller diameter end of collet 4 is positioned at the via hole of crossbeam 7, collet 4 tightens by pressure strip 5 and unlocking board 8, the left end of the metal tube 11 of radiator is clamped in collet 4, fin 10 right sides of radiator are provided with right baffle plate 13, the fin 10 of radiator and right baffle plate 13 against, between the fin 10 of radiator and right baffle plate 13, dividing plate 12 can be set, prevent fin and right baffle plate directly against, cause fin or the damage of right baffle plate, the right-hand member of the metal tube 11 of radiator is through the via hole on right baffle plate 13, oiliness sponge 2 is arranged in the metal tube 11 of radiator, expander roll 14 passes the metal tube 11 of radiator from right to left, and oiliness sponge 2 is ejected to a kind of complete pull-up tube expanding mechanism without enlarging, the left end of expander roll 14 is connected with swollen 3 after passing the via hole on pressure strip 5, expander roll 14 is released the oiliness sponge that is arranged in metal tube, realizes double action clean, lubricated metal inside pipe wall.
Further: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises connection top board 6 and connecting bottom board 9, the upper end of described pressure strip 5 and unlocking board 8 connects by being connected top board 6, the lower end of pressure strip 5 and unlocking board 8 is connected by connecting bottom board 9, connect between top board 6 and crossbeam 7 and leave space, between connecting bottom board 9 and crossbeam 7, leave space.So setting, is convenient to pressure strip 5 and unlocking board 8 is synchronized with the movement, and structure is more stable.
Further: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises sleeve pipe 15, the endoporus of described sleeve pipe 15 is unthreaded hole, on the outer wall of sleeve pipe 15, be processed with screw thread, sleeve pipe 15 is threaded with the via hole on crossbeam 7, and sleeve pipe 15 is supported between collet 4 and unlocking board 8.So arrange, prevent collet left and right play.
Further: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises base 16, on the lower surface of the lower surface of described crossbeam 7 and right baffle plate 13, base 16 is installed.More reasonable structure is so set.
Further: described collet 4 is made one by half section, a left side with right half section, left half section is truncated cone-shaped structure, right half section is cylindrical structural, half section, a described left side cuts out multiple elongated gaps, each elongated gap is all offered along the generatrix direction of truncated cone-shaped structure, multiple elongated gap annular arrays are on the circumference of truncated cone-shaped structure, and the aperture of truncated cone-shaped structure is less than the aperture of the fin 10 of radiator.
Operation principle:
The metal tube of radiator 11 is inserted to collet 4, by pressure strip 5, collet 4 is tightened, machine and advance from right to left expander roll 14, the oiliness sponge 2 of the metal tube 11 that is arranged in radiator is released; Double action clean, lubricated metal inside pipe wall that this operation has realized; Install swollen 3, pull from left to right expander roll 14, because collet 4 internal diameters are less than fin aperture, so the tension force of the metal tube 11 of radiator in collet 4 is greater than the tension force in fin hole, so the metal tube 11 of radiator can be stuck in chuck and can not come off in the process of swelling fin; The metal tube 11 of radiator can unidirectional contraction also leave gradually right baffle plate in swelling process.Leave completely for swollen 3 after the metal tube 11 of radiator, can unclamp pressure strip, the unlocking board being connected with it is moved to the left, and collet is released to internal diameter Peng is swollen to be separated with metal tube, shifts out crossbeam, and radiator expand tube finishes.
Present embodiment is the exemplary illustration to this patent just, does not limit its protection domain, and those skilled in the art can also change its part, as long as no the Spirit Essence that exceeds this patent, all in the protection domain of this patent.
Claims (6)
1. without a complete pull-up tube expanding mechanism for enlarging, comprise swollen head (3) and expander roll (14), it is characterized in that: also comprise left catch (1), collet (4), pressure strip (5), crossbeam (7), unlocking board (8) and right baffle plate (13), described pressure strip (5), left catch (1), crossbeam (7), unlocking board (8) and right baffle plate (13) are arranged side by side from left to right, pressure strip (5), left catch (1), crossbeam (7) is fixedly connected with unlocking board (8), described pressure strip (5), left catch (1), crossbeam (7), unlocking board (8) and right baffle plate (13) are provided with coaxial via hole, collet (4) is arranged in via hole, and the larger diameter end of collet (4) is positioned at the via hole of left catch (1) and crossbeam (7), the smaller diameter end of collet (4) is positioned at the via hole of crossbeam (7), collet (4) tightens by pressure strip (5) and unlocking board (8), the left end of the metal tube (11) of radiator is clamped in collet (4), fin (10) right side of radiator is provided with right baffle plate (13), the fin (10) of radiator and right baffle plate (13) against, the right-hand member of the metal tube (11) of radiator is through the via hole on right baffle plate (13), expander roll (14) passes the metal tube (11) of radiator from right to left, the left end of expander roll (14) is connected with swollen head (3) after passing the via hole on pressure strip (5).
2. a kind of complete pull-up tube expanding mechanism without enlarging according to claim 1, it is characterized in that: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises oiliness sponge (2), oiliness sponge (2) is arranged in the metal tube (11) of radiator, expander roll (14) passes the metal tube (11) of radiator from right to left, and oiliness sponge (2) is ejected to a kind of complete pull-up tube expanding mechanism without enlarging.
3. a kind of complete pull-up tube expanding mechanism without enlarging according to claim 1 and 2, it is characterized in that: described collet (4) is made one by half section, a left side with right half section, left half section is truncated cone-shaped structure, right half section is cylindrical structural, half section, a described left side cuts out multiple elongated gaps, each elongated gap is all offered along the generatrix direction of truncated cone-shaped structure, and multiple elongated gap annular arrays are on the circumference of truncated cone-shaped structure, and the aperture of truncated cone-shaped structure is less than the aperture of the fin of radiator (10).
4. a kind of complete pull-up tube expanding mechanism without enlarging according to claim 3, it is characterized in that: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises connection top board (6) and connecting bottom board (9), the upper end of described pressure strip (5) and unlocking board (8) connects by being connected top board (6), the lower end of pressure strip (5) and unlocking board (8) is connected by connecting bottom board (9), connect between top board (6) and crossbeam (7) and leave space, between connecting bottom board (9) and crossbeam (7), leave space.
5. a kind of complete pull-up tube expanding mechanism without enlarging according to claim 4, it is characterized in that: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises sleeve pipe (15), the endoporus of described sleeve pipe (15) is unthreaded hole, on the outer wall of sleeve pipe (15), be processed with screw thread, sleeve pipe (15) is threaded with the via hole on crossbeam (7), and sleeve pipe (15) is supported between collet (4) and unlocking board (8).
6. a kind of complete pull-up tube expanding mechanism without enlarging according to claim 5, it is characterized in that: described a kind of complete pull-up tube expanding mechanism without enlarging also comprises base (16), on the lower surface of the lower surface of described crossbeam (7) and right baffle plate (13), base (16) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420137413.XU CN203737882U (en) | 2014-03-25 | 2014-03-25 | Non-flaring full-pull type pipe expanding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420137413.XU CN203737882U (en) | 2014-03-25 | 2014-03-25 | Non-flaring full-pull type pipe expanding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203737882U true CN203737882U (en) | 2014-07-30 |
Family
ID=51337746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420137413.XU Withdrawn - After Issue CN203737882U (en) | 2014-03-25 | 2014-03-25 | Non-flaring full-pull type pipe expanding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203737882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846367A (en) * | 2014-03-25 | 2014-06-11 | 哈尔滨宏力机器制造有限公司 | Full-pull type tube expansion mechanism without flaring |
-
2014
- 2014-03-25 CN CN201420137413.XU patent/CN203737882U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846367A (en) * | 2014-03-25 | 2014-06-11 | 哈尔滨宏力机器制造有限公司 | Full-pull type tube expansion mechanism without flaring |
| CN103846367B (en) * | 2014-03-25 | 2015-09-02 | 哈尔滨宏力机器制造有限公司 | Without the complete pull-up tube expanding mechanism of enlarging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20150902 |
|
| RGAV | Abandon patent right to avoid regrant |