CN104550515A - Pipe expansion device for heat exchanger - Google Patents
Pipe expansion device for heat exchanger Download PDFInfo
- Publication number
- CN104550515A CN104550515A CN201410774582.9A CN201410774582A CN104550515A CN 104550515 A CN104550515 A CN 104550515A CN 201410774582 A CN201410774582 A CN 201410774582A CN 104550515 A CN104550515 A CN 104550515A
- Authority
- CN
- China
- Prior art keywords
- pipe
- expanding device
- heat exchanger
- expand tube
- enlarging
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
- B21D41/026—Enlarging by means of mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a pipe expansion device for a heat exchanger. The pipe expansion device for the heat exchanger comprises four upright posts and a top plate, wherein the top plate is horizontally mounted on the four upright posts; a rotary table is arranged below the top plate; two same fixed bases are symmetrically arranged on the rotary table; each fixed base comprises an inner side plate and an outer side plate; a base is also connected below the inner side plates; clamping grooves are formed in the base; two down-pressing devices are arranged on the top plate; an opening flaring device is arranged below one down-pressing device; the pipe expansion device is arranged below the other down-pressing device. According to the pipe expansion device for the heat exchanger disclosed by the invention, pipe expanding and opening flaring are completed simultaneously by utilizing the same equipment; but a pipe expanding station is different from an opening flaring station, so that the pipe expanding and the opening flaring are realized through the rotary table; therefore, the process is simplified; meanwhile, an expanded pipe and a flared opening can be machined independently; the machining quality is improved; the machining effects of the expanded pipe and the flared opening are relatively good.
Description
Technical field
The present invention relates to air conditioner parts technical field, particularly a kind of pipe-expanding device of heat exchanger.
Background technology
The copper pipe of heat exchanger needs expand tube to realize the compact siro spinning technology between aluminium foil in process of production, also needs copper pipe opening part to carry out enlarging after expand tube, is beneficial to the welded closure of copper pipe.These two operations are synthesized a procedure by the equipment had in prior art have been come, by copper pipe enlarging while expand tube, but because expand tube has respective technical requirement with enlarging, so synthesis procedure two operations can be caused all to complete bad, and by cumbersome for two operation separate operation, wasting manpower and material resources.In expand tube process, the profile design of swollen head is extremely important, reach reasonable expand tube effect, again can not flange, and will prevent expand tube from bouncing back, and the profile design of swollen head has been got well and can have been improved the quality of products.
Summary of the invention
The technical issues that need to address of the present invention are pipe-expanding devices of existing heat exchanger, and expand tube effect is bad, affect the quality of product.
For solving the problems of the technologies described above, the invention provides a kind of pipe-expanding device of heat exchanger, comprise four root posts and top board, roof water safety is contained on four root posts, four root post arranged outside screw threads, the height of adjustable top board, side is provided with turntable under the top plate, described turntable is symmetrically arranged with two identical firm bankings, described firm banking comprises interior plate and outer panel, interior plate is fixing on a spinstand, outer panel and interior plate are rotationally connected, also base is connected with below described interior plate, base arranges draw-in groove, top board is provided with two hold-down devices, expanding device is provided with below a hold-down devices, pipe-expanding device is provided with below another hold-down devices.The pipe-expanding device of heat exchanger of the present invention, utilize same equipment to complete expand tube and enlarging simultaneously, but expand tube and enlarging are arranged on different stations, realized by turntable, both technique is simplified like this, simultaneously can process separately expand tube and enlarging again, improve crudy, expand tube and expanding effect all relatively good.
As a further improvement on the present invention, inside described draw-in groove, cushion is provided with.Inside draw-in groove, be provided with cushion, better can protect the copper pipe crooked position being fixed on its inside, avoid friction to scratch.
Wherein, described pipe-expanding device comprises multiple push rod, multiple push rod upper end connects hold-down devices, swollen head and expand tube guide pad is connected with in each push rod lower end, expand tube guide pad is turbination, described swollen head at least comprises a spheroidal, and the spheroidal diameter of top is greater than the spheroidal diameter of below, and between each spheroidal of expand tube guide pad and swollen head, transition connects; Described expanding device comprises multiple enlarging and bores, and each enlarging is bored and is rotatably connected on below hold-down devices, and each described enlarging is bored bottom and is turbination, and is provided with spiral helicine decorative pattern on obconic excircle.The project organization of pipe-expanding device is swollen head and expand tube guide pad is reasonable, and guide effect is good, simultaneously swollen head spheroidal from small to large to arrange expand tube effective, be insoluble to flange, and copper pipe is progressively out of shape expansion, forming, is not easy retraction; Enlarging is bored bottom and is turbination, and is provided with spiral helicine decorative pattern on obconic excircle, the copper pipe mouth of pipe can be expanded into horn-like, and inwall is printed on spirality decorative pattern, is beneficial to the filling of solder when being welded and fixed.
As the preferred technical solution of the present invention, described swollen head is inverted Pear-Shaped.The swollen alliteration pipe of inverted Pear-Shaped is effective, and processing cost is low.
The pipe-expanding device of heat exchanger of the present invention, integrates expand tube and enlarging, but procedure of processing separately, eliminates the step of upper and lower clamping material, simplify technique, improve the crudy of expand tube and enlarging simultaneously.Pipe-expanding device adopts the swollen head of inverted Pear-Shaped, and processing effect is good, and permanent local efficiency is high, and yield rate is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of base of the present invention;
Fig. 3 is the partial enlarged drawing of Fig. 1;
Wherein, 1-column, 2-top board, 3-turntable, 4-interior plate, 5-outer panel, 6-base, 7-draw-in groove, 8-hold-down devices, 9-cushion, 10-push rod, 11-is swollen head, 12-expand tube guide pad, 13-enlarging is bored.
Detailed description of the invention
The preferred technical solution of the present invention is described in detail below in conjunction with accompanying drawing.
As shown in the figure, the pipe-expanding device of heat exchanger of the present invention, comprise four root posts 1 and top board 2, top board 2 level is arranged on four root posts 1, four root post 1 arranged outside screw threads, the height of adjustable top board 2, turntable 3 is provided with below top board 2, described turntable 3 is symmetrically arranged with two identical firm bankings, described firm banking comprises interior plate 4 and outer panel 5, interior plate 4 is fixed on turntable 3, outer panel 5 and interior plate 4 are rotationally connected, base 6 is also connected with below described interior plate 4, base 6 arranges draw-in groove 7, top board 2 is provided with two hold-down devices 8, expanding device is provided with below a hold-down devices 8, pipe-expanding device is provided with below another hold-down devices, cushion 9 is provided with inside described draw-in groove 7.
Wherein, described pipe-expanding device comprises multiple push rod 10, multiple push rod 10 upper end connects hold-down devices 8, be connected with swollen 11 and expand tube guide pad 12 in each push rod 10 lower end, expand tube guide pad 12 is turbination, and described swollen 11 at least comprises a spheroidal, and the spheroidal diameter of top is greater than the spheroidal diameter of below, between each spheroidal of expand tube guide pad 12 and swollen 11, transition connects, and wherein preferably, described swollen 11 is inverted Pear-Shaped; Described expanding device comprises multiple enlarging and bores 13, and each enlarging is bored 13 and is rotatably connected on below hold-down devices, and each described enlarging is bored 13 bottoms and is turbination, and is provided with spiral helicine decorative pattern on obconic excircle.
The pipe-expanding device of heat exchanger of the present invention, utilize same equipment to complete expand tube and enlarging simultaneously, but expand tube and enlarging are arranged on different stations, realized by turntable, both technique is simplified like this, simultaneously can process separately expand tube and enlarging again, improve crudy, expand tube and expanding effect all relatively good.
Inside draw-in groove, be provided with cushion, better can protect the copper pipe crooked position being fixed on its inside, avoid friction to scratch.
The project organization of pipe-expanding device is swollen head and expand tube guide pad is reasonable, and guide effect is good, simultaneously swollen head spheroidal from small to large to arrange expand tube effective, be insoluble to flange, and copper pipe is progressively out of shape expansion, forming, is not easy retraction; Enlarging is bored bottom and is turbination, and is provided with spiral helicine decorative pattern on obconic excircle, the copper pipe mouth of pipe can be expanded into horn-like, and inwall is printed on spirality decorative pattern, is beneficial to the filling of solder when being welded and fixed.
The swollen alliteration pipe of inverted Pear-Shaped is effective, and processing cost is low.
The pipe-expanding device of heat exchanger of the present invention, first from reaming side by heat exchanger clamping between interior plate and outer panel, copper pipe openend upward, bending section is arranged in the draw-in groove of base, after installation fixes, first heat exchanger rotates to below pipe-expanding device and carries out expand tube by rotation turntable, opposite side clamping another batch of heat exchanger to be processed simultaneously, rotation turntable after expand tube completes, pipe-expanding device carries out expand tube, opposite side expanding device carries out enlarging, blanking is got final product after enlarging completes, and then another batch of heat exchanger to be processed is installed, circulation like this is processed.
The pipe-expanding device of heat exchanger of the present invention, integrates expand tube and enlarging, but procedure of processing separately, eliminates the step of upper and lower clamping material, simplify technique, improve the crudy of expand tube and enlarging simultaneously.Pipe-expanding device adopts the swollen head of inverted Pear-Shaped, and processing effect is good, and permanent local efficiency is high, and yield rate is high.
Claims (5)
1. the pipe-expanding device of a heat exchanger, it is characterized in that: comprise four root posts and top board, roof water safety is contained on four root posts, four root post arranged outside screw threads, the height of adjustable top board, side is provided with turntable under the top plate, described turntable is symmetrically arranged with two identical firm bankings, described firm banking comprises interior plate and outer panel, interior plate is fixing on a spinstand, outer panel and interior plate are rotationally connected, also base is connected with below described interior plate, base arranges draw-in groove, top board is provided with two hold-down devices, expanding device is provided with below a hold-down devices, pipe-expanding device is provided with below another hold-down devices.
2. the pipe-expanding device of heat exchanger as claimed in claim 1, is characterized in that: inside described draw-in groove, be provided with cushion.
3. the pipe-expanding device of heat exchanger as claimed in claim 1, it is characterized in that: described pipe-expanding device comprises multiple push rod, multiple push rod upper end connects hold-down devices, swollen head and expand tube guide pad is connected with in each push rod lower end, expand tube guide pad is turbination, described swollen head at least comprises a spheroidal, and the spheroidal diameter of top is greater than the spheroidal diameter of below, and between each spheroidal of expand tube guide pad and swollen head, transition connects.
4. the pipe-expanding device of heat exchanger as claimed in claim 2, is characterized in that: described swollen head is inverted Pear-Shaped.
5. the pipe-expanding device of heat exchanger as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described expanding device comprises multiple enlarging and bores, each enlarging is bored and is rotatably connected on below hold-down devices, each described enlarging is bored bottom and is turbination, and is provided with spiral helicine decorative pattern on obconic excircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410774582.9A CN104550515B (en) | 2014-12-16 | 2014-12-16 | Pipe expansion device for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410774582.9A CN104550515B (en) | 2014-12-16 | 2014-12-16 | Pipe expansion device for heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104550515A true CN104550515A (en) | 2015-04-29 |
| CN104550515B CN104550515B (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410774582.9A Active CN104550515B (en) | 2014-12-16 | 2014-12-16 | Pipe expansion device for heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN104550515B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097820A (en) * | 2017-12-14 | 2018-06-01 | 浙江高澳卫浴有限公司 | Multiple-way water knockout drun for water tap lifts hole machined equipment and water knockout drum lifting hole forming method |
| CN110523865A (en) * | 2019-07-31 | 2019-12-03 | 宁波精达成形装备股份有限公司 | A kind of automatic horizontal electric tube expander |
| CN110548813A (en) * | 2019-07-31 | 2019-12-10 | 宁波精达成形装备股份有限公司 | Step-by-step flaring mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5220722A (en) * | 1991-12-09 | 1993-06-22 | Burr Oak Tool & Gauge Company | Quick height change adjustment for tube expander |
| CN101462142A (en) * | 2009-01-09 | 2009-06-24 | 海信科龙电器股份有限公司 | Tube expander for heat exchanger |
| CN101947602A (en) * | 2010-09-03 | 2011-01-19 | 中山市奥美森工业有限公司 | Fully-automatic pipe expander |
| CN203695791U (en) * | 2013-11-19 | 2014-07-09 | 江苏裕丰电气有限公司 | Pipe expander |
| CN203711668U (en) * | 2014-02-28 | 2014-07-16 | 宁波德业科技集团有限公司 | Vertical pipe expanding machine |
| CN203764808U (en) * | 2014-03-14 | 2014-08-13 | 泰州市川琦机电制造有限公司 | Vertical pipe expanding device |
| CN204545180U (en) * | 2014-12-16 | 2015-08-12 | 芜湖美威包装品有限公司 | The pipe-expanding device of heat exchanger |
-
2014
- 2014-12-16 CN CN201410774582.9A patent/CN104550515B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5220722A (en) * | 1991-12-09 | 1993-06-22 | Burr Oak Tool & Gauge Company | Quick height change adjustment for tube expander |
| CN101462142A (en) * | 2009-01-09 | 2009-06-24 | 海信科龙电器股份有限公司 | Tube expander for heat exchanger |
| CN101947602A (en) * | 2010-09-03 | 2011-01-19 | 中山市奥美森工业有限公司 | Fully-automatic pipe expander |
| CN203695791U (en) * | 2013-11-19 | 2014-07-09 | 江苏裕丰电气有限公司 | Pipe expander |
| CN203711668U (en) * | 2014-02-28 | 2014-07-16 | 宁波德业科技集团有限公司 | Vertical pipe expanding machine |
| CN203764808U (en) * | 2014-03-14 | 2014-08-13 | 泰州市川琦机电制造有限公司 | Vertical pipe expanding device |
| CN204545180U (en) * | 2014-12-16 | 2015-08-12 | 芜湖美威包装品有限公司 | The pipe-expanding device of heat exchanger |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097820A (en) * | 2017-12-14 | 2018-06-01 | 浙江高澳卫浴有限公司 | Multiple-way water knockout drun for water tap lifts hole machined equipment and water knockout drum lifting hole forming method |
| CN110523865A (en) * | 2019-07-31 | 2019-12-03 | 宁波精达成形装备股份有限公司 | A kind of automatic horizontal electric tube expander |
| CN110548813A (en) * | 2019-07-31 | 2019-12-10 | 宁波精达成形装备股份有限公司 | Step-by-step flaring mechanism |
| CN110548813B (en) * | 2019-07-31 | 2024-04-09 | 宁波精达成形装备股份有限公司 | Step-by-step flaring mechanism |
| CN110523865B (en) * | 2019-07-31 | 2024-04-09 | 宁波精达成形装备股份有限公司 | Automatic horizontal pipe expander |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104550515B (en) | 2017-05-17 |
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