CN204276699U - Expand tube mouth expander and expand tube pipe-expanding machine - Google Patents
Expand tube mouth expander and expand tube pipe-expanding machine Download PDFInfo
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- CN204276699U CN204276699U CN201420674315.XU CN201420674315U CN204276699U CN 204276699 U CN204276699 U CN 204276699U CN 201420674315 U CN201420674315 U CN 201420674315U CN 204276699 U CN204276699 U CN 204276699U
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- Prior art keywords
- connecting rod
- protective sleeve
- expand tube
- enlarging
- thread structure
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- 241000973497 Siphonognathus argyrophanes Species 0.000 title claims abstract description 48
- 230000001681 protective effect Effects 0.000 claims abstract description 61
- 230000006978 adaptation Effects 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052802 copper Inorganic materials 0.000 abstract description 16
- 239000010949 copper Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 12
- 238000005336 cracking Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a kind of expand tube mouth expander, described expand tube mouth expander comprises protective sleeve, enlarging part and connecting rod; Described enlarging part is located at one end of described connecting rod, and removably connects with described connecting rod; Described protective sleeve is socketed on described connecting rod, and described enlarging part is all or part of is placed in described protective sleeve, has for treating the gap that flared pipe fitting inserts between the inwall of described protective sleeve and described enlarging part.The invention also discloses a kind of expand tube pipe-expanding machine.The utility model is preset value by protective sleeve and the enlarging part bell-mouthed maximum outside diameter of copper pipe in restriction enlarging technique that cooperatively interacts, and prevents the problem of horn mouth cracking in enlarging technique, improves the yields of Product processing.
Description
Technical field
The utility model relates to air-conditioner field, particularly relates to expand tube mouth expander and expand tube pipe-expanding machine.
Background technology
In domestic air conditioner field, in order to improve the performance of air-conditioner, generally adopt finned heat exchanger.Finned heat exchanger inside is provided with copper pipe, and wherein one technique of air-conditioner processing needs to carry out enlarging to finned heat exchanger copper pipe, makes it formation one horn mouth.In prior art, because finned heat exchanger copper pipe is when carrying out enlarging, the mouth of pipe, owing to not being subject to the restriction of enlarging size, therefore easily producing cracking when enlarging, thus causes product rejection.
Foregoing only understands the technical solution of the utility model for auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
Main purpose of the present utility model is to provide a kind of expand tube mouth expander and expand tube pipe-expanding machine, is intended to the problem preventing horn mouth cracking in enlarging technique, improves the yields of Product processing.
To achieve these goals, the utility model provides a kind of expand tube mouth expander, comprises protective sleeve, enlarging part and connecting rod; Described enlarging part is located at one end of described connecting rod, and removably connects with described connecting rod; Described protective sleeve is socketed on described connecting rod, and described enlarging part is all or part of is placed in described protective sleeve, has for treating the gap that flared pipe fitting inserts between the inwall of described protective sleeve and described enlarging part.
Preferably, described protective sleeve is arranged in a tubular form, and described protective sleeve inwall is provided with female thread structure, and one end that described connecting rod is connected with described enlarging part is provided with the external thread structure with the female thread structure adaptation of described protective sleeve; Described protective sleeve is threaded with described connecting rod.
Preferably, the outer wall of described protective sleeve is provided with tight lock part, and described tight lock part outer wall is polygon along described protective sleeve radial section.
Preferably, described enlarging part comprises integrated enlarging bar and fixed bar, described fixed bar and described connecting rod removably connect, described enlarging bar is interval with the first expansion mouth, the second expansion mouth and the 3rd expansion mouth to the other end, to treat flared pipe fitting flare formation successively successively from the one end away from described fixed bar.
Preferably, described fixed bar is provided with external thread structure away from one end of described enlarging bar, and one end that described connecting rod is connected with described enlarging part is provided with the female thread structure with the external thread structure adaptation of described fixed bar; Described fixed bar is threaded with described connecting rod.
Preferably, described enlarging part adopts alloy to make.
Preferably, described expand tube mouth expander also comprises nut, and described nut inwall is provided with female thread structure, and the other end that described connecting rod is relative with one end that described enlarging part connects is provided with the external thread structure with the female thread structure adaptation of described nut; Described nut is threaded with described connecting rod.
In addition, for achieving the above object, the utility model also provides a kind of expand tube pipe-expanding machine, and described expand tube pipe-expanding machine comprises this expand tube mouth expander, and described expand tube mouth expander comprises protective sleeve, enlarging part and connecting rod; Described enlarging part is located at one end of described connecting rod, and removably connects with described connecting rod; Described protective sleeve is socketed on described connecting rod, and described enlarging part is all or part of is placed in described protective sleeve, has for treating the gap that flared pipe fitting inserts between the inwall of described protective sleeve and described enlarging part.
The utility model embodiment is by being socketed on described connecting rod by protective sleeve, and described enlarging part is all or part of is placed in described protective sleeve, have for treating the gap that flared pipe fitting inserts between the inwall of described protective sleeve and described enlarging part, described protective sleeve and described enlarging part cooperatively interact and limit bell-mouthed maximum outside diameter in enlarging technique is preset value; Thus prevent the problem treating that the flared pipe fitting mouth of pipe ftractures, improve the yields of Product processing.In addition, owing to adopting split-type structural, in use procedure, any one parts damages of expand tube mouth expander can be changed separately, and relative to prior art, integrated expand tube mouth expander any part needs entirety to scrap after damaging; Enlarging part adopts the alloy material of high strength to make, and the life-span can reach 2 years (old mouth expander is only 3 months service life), makes the spare part expense of new expand tube mouth expander to reduce half.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of the utility model expand tube mouth expander one embodiment;
Fig. 2 is the cross-sectional view along A-A in Fig. 1;
Fig. 3 is the structural representation of the utility model expand tube mouth expander one embodiment enlarging part.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of expand tube mouth expander, and referring to figs. 1 through Fig. 3, in one embodiment, this expand tube mouth expander comprises protective sleeve 10, enlarging part 20 and connecting rod 30; Described enlarging part 20 is located at one end of described connecting rod 30, and removably connects with described connecting rod 30; Described protective sleeve 10 is socketed on described connecting rod 30, and described enlarging part 20 is all or part of is placed in described protective sleeve 10, has for treating the gap that flared pipe fitting inserts between the inwall of described protective sleeve 10 and described enlarging part 20.
The expand tube mouth expander that the utility model provides is applied in the middle of expand tube pipe-expanding machine, and under the driving of expand tube pipe-expanding machine internal drive, expand tube mouth expander is automatically treated flared pipe fitting and carried out enlarging.Such as this expand tube pipe-expanding machine can carry out enlarging to the copper pipe that air-conditioner finned heat exchanger inside is arranged, and following examples are described for the expand tube mouth expander be applied to the inner copper pipe arranged of air-conditioner finned heat exchanger carries out enlarging.Concrete, length and the shape of above-mentioned connecting rod 30 all can be arranged according to actual needs, are not further limited at this.The shape of above-mentioned enlarging part 20 can be arranged according to actual needs, namely sets according to the internal-and external diameter for the treatment of flared copper tube and the bell-mouthed shape that need be formed.Profile, the internal-and external diameter of above-mentioned protective sleeve 10 all can be arranged according to actual needs, namely set according to the internal-and external diameter for the treatment of flared copper tube and the bell-mouthed shape that need be formed.
Be understandable that, when manufacturing, each parts of above-mentioned expand tube mouth expander manufacture respectively and form, and obtain described expand tube mouth expander by assembling.
The utility model embodiment is by being socketed on described connecting rod 30 by protective sleeve 10, and described enlarging part 20 is all or part of is placed in described protective sleeve 10, have for treating the gap that flared pipe fitting inserts between the inwall of described protective sleeve 10 and described enlarging part 20, described protective sleeve 10 and described enlarging part 20 cooperatively interact and limit bell-mouthed maximum outside diameter in enlarging technique is preset value; Thus prevent the problem treating that the flared pipe fitting mouth of pipe ftractures, improve the yields of Product processing.In addition, owing to adopting split-type structural, in use procedure, any one parts damages of expand tube mouth expander can be changed separately, and relative to prior art, integrated expand tube mouth expander any part needs entirety to scrap after damaging.
Further, described protective sleeve 10 is arranged in a tubular form, and described protective sleeve 10 inwall is provided with female thread structure, and one end that described connecting rod 30 is connected with described enlarging part 20 is provided with the external thread structure with the female thread structure adaptation of described protective sleeve 10; Described protective sleeve 10 is threaded with described connecting rod 30.
In the present embodiment, particularly, for coordinating described enlarging part 20 to limit, above-mentioned protective sleeve 10 treats that the internal diameter of the bell-mouthed one end of flared copper tube is arranged according to actual needs, such as, when the copper pipe that to need external diameter be 7mm carries out enlarging, for coordinating described enlarging part 20 to limit, described protective sleeve 10 treats that the internal diameter of the bell-mouthed one end of flared copper tube is set to 18.4mm, inwall and the described enlarging part 20 of described protective sleeve 10 cooperatively interact, the external diameter of the horn mouth external diameter maximum formed when flared copper tube enlarging is made to equal the internal diameter of protective sleeve 10, stop the problem of horn mouth cracking in enlarging technique.The other end of described protective sleeve 10 is provided with the first female thread structure, one end that described connecting rod 30 is connected with described enlarging part 20 is provided with the first external thread structure with the first female thread structure adaptation of described protective sleeve 10, and described protective sleeve 10 is threaded with described connecting rod 30; By this thread connecting mode, when described protective sleeve 10 normally can not realize its function, directly existing protective sleeve 10 can be replaced with new protective sleeve 10, guarantee that whole expand tube mouth expander normally uses.
Further, based on above-described embodiment, in the present embodiment, the outer wall of above-mentioned protective sleeve 10 is provided with tight lock part 101, and described tight lock part 101 outer wall is polygon along described protective sleeve 10 radial section.
Above-mentioned tight lock part 101 outer wall is polygon along described protective sleeve 10 radial section, and described polygon can be arranged according to actual needs, does not limit further at this.Such as, in the present embodiment, described tight lock part 101 is regular hexagon along described protective sleeve 10 radial section, and this structure makes described protective sleeve 10 to remove and install easily; And this structure can compatible existing frock, therefore, adopts the tight lock part 101 of this structure that the packaging efficiency of described expand tube mouth expander can be made higher.
Further, described enlarging part 20 comprises integrated enlarging bar 201 and fixed bar 202, described fixed bar 202 removably connects with described connecting rod 30, described enlarging bar 201 is interval with the first expansion mouth 2011, second expansion mouth 2012 and the 3rd expansion mouth 2013 to the other end, to treat flared pipe fitting flare formation successively successively from the one end away from described fixed bar 202.
In the present embodiment, above-mentioned first expansion mouth 2011, second expansion mouth 2012 and the 3rd expansion mouth 2013 are all in truncated cone-shaped.Particularly, the external diameter of described first expansion mouth 2011, second expansion mouth 2012 and the 3rd expansion mouth 2013 is arranged according to actual needs.Such as, when the copper pipe that to need external diameter be 7mm carries out enlarging, the minimum outer diameter of described first expansion mouth 2011 is set to 2.2mm, and maximum outside diameter is set to 6.6mm; The minimum outer diameter of described second expansion mouth 2012 is set to 6.6mm, and maximum outside diameter is set to 7.2mm; The minimum outer diameter of described 3rd expansion mouth 2013 is set to 7.2mm, and maximum outside diameter is set to 8.5mm.Described first expansion mouth 2011, second expansion mouth 2012 and the 3rd enlarging 2013 are spaced successively, and to be also provided with external diameter between described first expansion mouth 2011 and the second expansion mouth 2012 be 6.6mm length is first straight length of 2.67mm; Also to be provided with external diameter between described second expansion mouth 2012 and the 3rd expansion mouth 2013 be 7.2mm length is second straight length of 5mm; Also to be provided with external diameter between described 3rd flared section 2013 and described fixed bar 202 be 8.5mm length is the 3rd straight length of 2.1mm.By this spaced multiple expansion mouth successively, treat flared copper tube enlarging successively, make horn mouth shaping gradually, reduce the probability of horn mouth cracking.The outer wall of described fixed bar 202 is provided with the second external thread structure, one end that described connecting rod 30 is connected with described enlarging part 20 is provided with the second female thread structure with the external thread structure adaptation of described fixed bar 202, and described fixed bar 202 is threaded with described connecting rod 30; Due to described enlarging bar 201 and fixed bar 202 for integral type structure and described fixed bar 202 be threaded with described connecting rod 30, when described enlarging part 20 normally can not realize its function, directly existing enlarging part 20 can be replaced with new enlarging part 20, guarantee that whole expand tube mouth expander normally uses.
Further, based on above-described embodiment, in the present embodiment, above-mentioned fixed bar 202 outer wall is provided with external thread structure, and one end that described connecting rod 30 is connected with described enlarging part 20 is provided with the female thread structure with the external thread structure adaptation of described fixed bar 202; Described fixed bar 202 is threaded with described connecting rod 30.
Particularly, described fixed bar 202 outer wall is provided with the second external thread structure, one end that described connecting rod 30 is connected with described enlarging part 20 is provided with the second female thread structure with the second external thread structure adaptation of described fixed bar 202, and described fixed bar 202 is threaded with described connecting rod 30; Due to described enlarging bar 201 and fixed bar 202 for integral type structure and described fixed bar 202 be threaded with described connecting rod 30, when described enlarging part 20 normally can not realize its function, directly existing enlarging part 20 can be replaced with new enlarging part 20, guarantee that whole expand tube mouth expander normally uses.
Further, described enlarging part 20 adopts alloy to make.
In the present embodiment, described enlarging part 20 is made of one piece, in enlarging technique for adopting YG20 wolfram steel material, described enlarging part 20 is the parts directly contacted with copper pipe, its wearing and tearing are maximum, and adopt the enlarging part 20 that YG20 wolfram steel is made of one piece, its life-span reaches 2 years.Even if when described enlarging part 20 can not continue to use due to serious wear, because described enlarging part 20 adopts thread connecting mode to be connected with described connecting rod 30, can directly change enlarging part 20 and without integral replacing expand tube mouth expander, reduce its spare parts cost.
Further, described expand tube mouth expander also comprises nut 40, and described nut 40 inwall is provided with female thread structure, and the other end that described connecting rod 30 is relative with one end that described enlarging part 20 connects is provided with the external thread structure with the female thread structure adaptation of described nut 40; Described nut 40 is threaded with described connecting rod 30.
In the present embodiment, the inwall of described nut 40 is provided with the 3rd female thread structure, and the other end that described connecting rod 30 is relative with one end that described enlarging part 20 connects is provided with the 3rd external thread structure with the 3rd female thread structure adaptation of described nut 40; Described nut 40 is threaded with described connecting rod 30; After described expand tube mouth expander is assembled, the other end being provided with one end of enlarging part 20 relative at expand tube mouth expander installs described nut 40, then the one end described expand tube mouth expander being provided with described nut 40 is placed in the accommodating hole of expand tube pipe-expanding machine drive unit, under the driving of drive unit, expand tube mouth expander is automatically treated flared copper tube and is carried out enlarging, greatly improves the efficiency of enlarging technique.Because described nut 40 and described connecting rod 30 are for being threaded, when described connecting rod 30 normally can not realize its function, directly existing connecting rod 30 can be replaced with new connecting rod 30, guaranteeing that whole expand tube mouth expander normally uses.
The utility model also provides a kind of expand tube pipe-expanding machine, and this expand tube pipe-expanding machine comprises described expand tube mouth expander, and the structure of this expand tube mouth expander can refer to above-described embodiment, does not repeat them here.Naturally, the expand tube pipe-expanding machine due to the present embodiment have employed the technical scheme of above-mentioned expand tube mouth expander, and therefore this expand tube pipe-expanding machine has all beneficial effects of above-mentioned expand tube mouth expander.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. an expand tube mouth expander, is characterized in that, comprises protective sleeve, enlarging part and connecting rod; Described enlarging part is located at one end of described connecting rod, and removably connects with described connecting rod; Described protective sleeve is socketed on described connecting rod, and described enlarging part is all or part of is placed in described protective sleeve, has for treating the gap that flared pipe fitting inserts between the inwall of described protective sleeve and described enlarging part.
2. expand tube mouth expander as claimed in claim 1, it is characterized in that, described protective sleeve is arranged in a tubular form, and described protective sleeve inwall is provided with female thread structure, and one end that described connecting rod is connected with described enlarging part is provided with the external thread structure with the female thread structure adaptation of described protective sleeve; Described protective sleeve is threaded with described connecting rod.
3. expand tube mouth expander as claimed in claim 2, it is characterized in that, the outer wall of described protective sleeve is provided with tight lock part, and described tight lock part outer wall is polygon along described protective sleeve radial section.
4. expand tube mouth expander as claimed in claim 1, it is characterized in that, described enlarging part comprises integrated enlarging bar and fixed bar, described fixed bar and described connecting rod removably connect, described enlarging bar is interval with the first expansion mouth, the second expansion mouth and the 3rd expansion mouth to the other end, to treat flared pipe fitting flare formation successively successively from the one end away from described fixed bar.
5. expand tube mouth expander as claimed in claim 4, it is characterized in that, the outer wall of described fixed bar is provided with external thread structure, and one end that described connecting rod is connected with described enlarging part is provided with the female thread structure with the external thread structure adaptation of described fixed bar; Described fixed bar is threaded with described connecting rod.
6. the expand tube mouth expander as described in any one of claim 4 or 5, is characterized in that, described enlarging part adopts alloy to make.
7. expand tube mouth expander as claimed in claim 1, it is characterized in that, described expand tube mouth expander also comprises nut, described nut inwall is provided with female thread structure, and the other end that described connecting rod is relative with one end that described enlarging part connects is provided with the external thread structure with the female thread structure adaptation of described nut; Described nut is threaded with described connecting rod.
8. an expand tube pipe-expanding machine, is characterized in that, comprises the expand tube mouth expander according to any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674315.XU CN204276699U (en) | 2014-11-12 | 2014-11-12 | Expand tube mouth expander and expand tube pipe-expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674315.XU CN204276699U (en) | 2014-11-12 | 2014-11-12 | Expand tube mouth expander and expand tube pipe-expanding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204276699U true CN204276699U (en) | 2015-04-22 |
Family
ID=52859897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420674315.XU Expired - Fee Related CN204276699U (en) | 2014-11-12 | 2014-11-12 | Expand tube mouth expander and expand tube pipe-expanding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204276699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033080A (en) * | 2015-05-29 | 2015-11-11 | 中山市特克精密机械有限公司 | Pipe expander and operating method thereof |
| CN113210512A (en) * | 2021-05-25 | 2021-08-06 | 云南云霖金属制品有限责任公司 | Full-automatic flaring production device and production method for steel pipe and flaring die |
-
2014
- 2014-11-12 CN CN201420674315.XU patent/CN204276699U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033080A (en) * | 2015-05-29 | 2015-11-11 | 中山市特克精密机械有限公司 | Pipe expander and operating method thereof |
| CN113210512A (en) * | 2021-05-25 | 2021-08-06 | 云南云霖金属制品有限责任公司 | Full-automatic flaring production device and production method for steel pipe and flaring die |
| CN113210512B (en) * | 2021-05-25 | 2022-11-01 | 云南云霖金属制品有限责任公司 | Production method of full-automatic flaring production device for steel pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20201112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |