CN2700021Y - A pipe expanding machine - Google Patents
A pipe expanding machine Download PDFInfo
- Publication number
- CN2700021Y CN2700021Y CN 200420041335 CN200420041335U CN2700021Y CN 2700021 Y CN2700021 Y CN 2700021Y CN 200420041335 CN200420041335 CN 200420041335 CN 200420041335 U CN200420041335 U CN 200420041335U CN 2700021 Y CN2700021 Y CN 2700021Y
- Authority
- CN
- China
- Prior art keywords
- head
- working machine
- guide rail
- pipe
- expanding
- 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.)
- Expired - Fee Related
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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a pipe expanding machine, comprising a machine body, a guide rail and a working machine head. The working machine head can slide on the guide rail and is provided with a locking clamp which is locked tightly on the guide rail and a header tank arranged below the working machine head; the working machine head includes machine-head stabilizer blades which can slide on the guide rail, the machine-head stabilizer blades is provided with a lower positioning base, and an upper positioning base is arranged above the lower positioning base; the working machine head is also provided with a plugging head which is used to plug the end of the expanded inner pipe, and the interior of the plugging head is provided with a water channel which is communicated with the water outlet of the high-pressure hydraulic pump and enables the high pressure water to enter into the expanded inner pipe; the rear end of the plugging head is provided with a sealing ring. Because the working machine head can slide on the guide rail, the working machine head can conduct expanding joint for the pipe fittings with different length; as a hydraulic-control manner is adopted, the production efficiency is considerably improved; as the hydraulic-control plugging head is adopted, the sealing property of the pipe-expanding operation is improved.
Description
Technical field
The utility model belongs to a kind of hydraulic expanding tube machine that connects by swelling pressure.
Background technology
Present compound radiator has obtained widely to use, and the basic structure of compound radiator is that the metal material with two kinds of unlike materials closely combines, and can guarantee good heat transfer and heat conduction, and weight is light, service life is longer.A kind of expansion tube method is to utilize hydraulic principle, fills into water under high pressure under the prerequisite sealed at both ends by expand tube, closely cooperates thereby utilize water under high pressure to be increased with composite members by the expand tube size, and the mach composite members of hydraulic expanding tube is fitted firmly.But at present used hydraulic expanding tube secret sealing property is bad, reveal easily, and production efficiency is lower.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of electric tube expander that two kinds of different materials is connected by swelling pressure, solves the technological deficiency of the bad and electric tube expander that operating efficiency is lower of sealing property in the prior art.
The purpose of this utility model is achieved in that a kind of electric tube expander comprises body, be arranged at the guide rail on the body, two working machine heads are installed on the described guide rail, working machine head can slide on the guide rail and be provided with the locking device that is locked on the guide rail, be arranged at the header tank of working machine head below, described working machine head comprises the head leg that can slide on guide rail, being equipped with on the head leg can be with the following positioning seat of being located by pipe in expanding, the top of following positioning seat is provided with the last positioning seat that cooperates with following positioning seat, last positioning seat can be moved up and down by first Driven by Hydraulic Cylinder, also be provided with on the described working machine head and be used for shutoff by the block head of bloated inner tube portion, block head is inserted or is extracted by bloated inner tube portion by second Driven by Hydraulic Cylinder, block head inside is provided with the water under high pressure that makes that communicates with the delivery port of high-pressure hydraulic pump and enters by the aquaporin of pipe in expanding, and the rear portion of block head is equipped with sealing ring.
As a kind of improvement, the cross section of described sealing ring is opening surface inner " U " shape of pipe in being expanded, and block head is provided with aquaporin and is communicated with by the inner chamber of tube cavity in expanding and sealing ring.
Owing to adopt above technical scheme, a kind of electric tube expander comprises body, be arranged at the guide rail on the body, two working machine heads are installed on the described guide rail, working machine head can slide on the guide rail and be provided with the locking device that is locked on the guide rail, be arranged at the header tank of working machine head below, described working machine head comprises the head leg that can slide on guide rail, being equipped with on the head leg can be with the following positioning seat of being located by pipe in expanding, the top of following positioning seat is provided with the last positioning seat that cooperates with following positioning seat, last positioning seat can be moved up and down by first Driven by Hydraulic Cylinder, also be provided with on the described working machine head and be used for shutoff by the block head of bloated inner tube portion, block head is inserted or is extracted by bloated inner tube portion by second Driven by Hydraulic Cylinder, block head inside is provided with the water under high pressure that makes that communicates with the delivery port of high-pressure hydraulic pump and enters by the aquaporin of pipe in expanding, and the rear portion of block head is equipped with sealing ring.Because working machine head can slide on guide rail, can carry out expanded joint to the pipe fitting of different length; Owing to adopt hydraulic control mode, production efficiency improved greatly; Owing to adopt the block head of hydraulic control, the sealing of expand tube operation improved.
Description of drawings
Fig. 1 is the structure principle chart of the utility model embodiment.
Fig. 2 is the structure principle chart of the utility model embodiment block head.
The specific embodiment
As accompanying drawing 1, shown in the accompanying drawing 2, a kind of electric tube expander comprises body 1, be arranged at the guide rail 3 on the body 1, two working machine heads 2 are installed on the described guide rail, working machine head 2 can slide on guide rail 3 and be provided with the locking device that is locked on the guide rail, be arranged at the header tank 4 of working machine head 2 belows, described working machine head 2 comprises the head leg 21 that can slide on guide rail 3, being equipped with on the head leg can be with the following positioning seat 22 of being located by pipe in expanding, the top of following positioning seat 22 is provided with the last positioning seat 23 that cooperates with following positioning seat 22, last positioning seat 23 is driven and can be moved up and down by first hydraulic cylinder 27, also be provided with on the described working machine head 2 and be used for shutoff by the block head 24 of bloated inner tube portion, block head 24 is driven by second hydraulic cylinder 25 and inserts or extract by bloated inner tube portion, block head 24 inside are provided with the water under high pressure that makes that communicates with the delivery port of high-pressure hydraulic pump and enter by the aquaporin of pipe in expanding, and the rear portion of block head 24 is equipped with sealing ring 26.The cross section of described sealing ring 26 is opening surface inner " U " shape of pipe in being expanded, and block head 24 is provided with aquaporin and is communicated with by the inner chamber of tube cavity in expanding and sealing ring 26.
During work, at first according to being locked on the guide rail 3 by the relative position of two working machine heads 2 of length adjustment of expand tube spare and with working machine head, pipe and outer tube member connect together and are placed on the following positioning seat 22 of working machine head 2 in will being expanded then, then block head 24 is driven by second hydraulic cylinder 25 and insert by the inner tube portion of expanding, fall the last positioning seat 23 that drives by first hydraulic cylinder 27 again, in being expanded, inject water under high pressure in the pipe through block head 24 by high-pressure hydraulic pump then, the connection that the inner process of pipe block head 24 was provided with in water under high pressure expanded from quilt simultaneously is by inner chamber aquaporin water filling in sealing ring 26 of tube cavity in expanding and sealing ring 26, sealing ring 26 in swelling under the pressure of water under high pressure between by the tube wall and block head 24 of pipe in expanding, thereby reach the purpose of sealing; High-pressure hydraulic pump continues to inject water under high pressure in the pipe in being expanded, and plastic deformation takes place pipe in being expanded under pressure, is fitted in tightly on the endoporus of outer tube member; Close high-pressure hydraulic pump, lift positioning seat 23, extract block head 24, take off pipe fitting, expand tube work is finished.
Claims (2)
1. electric tube expander, comprise body (1), be arranged at the guide rail (3) on the body (1), two working machine heads (2) are installed on the described guide rail, working machine head (2) can slide on guide rail (3) and be provided with the locking device that is locked on the guide rail, be arranged at the header tank (4) of working machine head (2) below, it is characterized in that: described working machine head (2) comprises and can go up the head leg (21) that slides at guide rail (3), being equipped with on the head leg can be with the following positioning seat (22) of being located by pipe in expanding, the top of following positioning seat (22) is provided with the last positioning seat (23) that cooperates with following positioning seat (22), last positioning seat (23) is driven and can be moved up and down by first hydraulic cylinder (27), also be provided with on the described working machine head (2) and be used for shutoff by the block head (24) of bloated inner tube portion, block head (24) is driven by second hydraulic cylinder (25) and inserts or extract by bloated inner tube portion, block head (24) inside is provided with the water under high pressure that makes that communicates with the delivery port of high-pressure hydraulic pump and enters by the aquaporin of pipe in expanding, and the rear portion of block head (24) is equipped with sealing ring (26).
2. a kind of hydraulic expanding tube machine as claimed in claim 1, it is characterized in that: the cross section of described sealing ring (26) is opening surface inner " U " shape of pipe in being expanded, and block head (24) is provided with aquaporin and is communicated with by the inner chamber of tube cavity in expanding and sealing ring (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420041335 CN2700021Y (en) | 2004-06-16 | 2004-06-16 | A pipe expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420041335 CN2700021Y (en) | 2004-06-16 | 2004-06-16 | A pipe expanding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2700021Y true CN2700021Y (en) | 2005-05-18 |
Family
ID=34774582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420041335 Expired - Fee Related CN2700021Y (en) | 2004-06-16 | 2004-06-16 | A pipe expanding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2700021Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335697A (en) * | 2011-07-13 | 2012-02-01 | 中山市奥美森工业技术有限公司 | Copper pipe processing method adopting scanning flaring |
| CN102363186A (en) * | 2011-09-29 | 2012-02-29 | Tcl空调器（武汉）有限公司 | Tube expansion device and method for heat exchanger |
| CN107280047A (en) * | 2017-06-30 | 2017-10-24 | 浙江省德清县鸿利饲料有限公司 | A kind of feed material casting forming machine |
| CN114178417A (en) * | 2021-03-10 | 2022-03-15 | 成都科瑞尔低温设备有限公司 | High-pressure expansion pipe sleeving process, radiating pipe and air-temperature gasifier |
-
2004
- 2004-06-16 CN CN 200420041335 patent/CN2700021Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335697A (en) * | 2011-07-13 | 2012-02-01 | 中山市奥美森工业技术有限公司 | Copper pipe processing method adopting scanning flaring |
| CN102363186A (en) * | 2011-09-29 | 2012-02-29 | Tcl空调器（武汉）有限公司 | Tube expansion device and method for heat exchanger |
| CN107280047A (en) * | 2017-06-30 | 2017-10-24 | 浙江省德清县鸿利饲料有限公司 | A kind of feed material casting forming machine |
| CN114178417A (en) * | 2021-03-10 | 2022-03-15 | 成都科瑞尔低温设备有限公司 | High-pressure expansion pipe sleeving process, radiating pipe and air-temperature gasifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |