CN104785650B - Expanding mechanism of expanding machine - Google Patents
Expanding mechanism of expanding machine Download PDFInfo
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- CN104785650B CN104785650B CN201510196008.4A CN201510196008A CN104785650B CN 104785650 B CN104785650 B CN 104785650B CN 201510196008 A CN201510196008 A CN 201510196008A CN 104785650 B CN104785650 B CN 104785650B
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- Prior art keywords
- expansion
- guide plate
- expanding
- lifting guide
- die head
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention relates to an expanding mechanism of an expanding machine. The expanding mechanism of the expanding machine comprises a base frame, an adjusting component and an expanding component. The base frame is of a frame structure, and two height adjusting guide grooves are formed in the two side edges of the base frame respectively and arranged oppositely. The adjusting component comprises a hydraulic lifting machine, a lifting guide plate and a rotating motor, wherein the lifting guide plate is fixed between the two height adjusting guide grooves in a sliding mode, the height of the lifting guide plate is smaller than the length of the height adjusting guide grooves, the hydraulic lifting machine is fixed to the top end of the base frame, a hydraulic rod of the hydraulic lifting machine is fixedly connected with a lifting guide plate and wrapped by a stretching protection sleeve, the rotating motor is fixed to the outer side face of the lifting guide plate, and a rotating rod of the rotating motor penetrates through the lifting guide plate and is connected with the expanding component. Various parameters in the expanding process can be flexibly adjusted, adaptability is high, stress is stable, and the forming pressure and the welding stress of steel tubes can be effectively eliminated.
Description
Technical field
The present invention relates to steel pipe processing and process field of mechanical technique, specifically a kind of expanding mechanism of expanding machine.
Background technology
Longitudinal submerged arc welded pipe requires to eliminate briquetting pressure and the welding stress of steel pipe, using expanding in process
Method can effectively eliminate briquetting pressure and the welding stress of steel pipe, also carried out integer to longitudinal submerged arc welded pipe simultaneously.
Expanding machine is to eliminate steel pipe forming pressure and welding stress in a kind of production process for UOE
Plant equipment, expanding machine at this stage, it is mainly used in making the pipe end shape of two steel pipes to be welded identical with girth, for example,
Wherein one steel pipe, because of compressive deformation in transport, is included its pipe end to the pipe end with another steel pipe to be welded with expanding machine
Unanimously, afterwards, you can will be integral for two steel-pipe weldings, the machinery expanding unit of most domestic be all that expanding oil cylinder is fixing high
The form of degree, the height of expanding oil cylinder is fixed, thus expand arm height also fixing so that needing when producing different size steel pipe to make
Carry out expanding after steel pipe being lifted with Long travel oil cylinder mechanism again.When particularly producing small dimension steel pipe, Long travel oil cylinder mechanism
The height highest of lifting, thus easily causing the waste of operating time, and steel pipe seam also easily offsets.
Content of the invention
The technical problem to be solved is to provide a kind of expanding mechanism of expanding machine, can flexibly adjust expanding
During various parameters, strong adaptability, stability under loading, can effectively eliminate steel pipe forming pressure and welding stress.
For solving above-mentioned technical problem, the technical scheme is that
A kind of expanding mechanism of expanding machine, including pedestal, adjustment part and expanding part, described pedestal is frame structure,
One altitude mixture control gathering sill is respectively equipped with pedestal two side, described altitude mixture control gathering sill is oppositely arranged, described adjustment portion
Part includes hydraulic lifter, lifting guide plate and electric rotating machine, and described lifting guide plate is slidably fixed on two altitude mixture control and leads
To between groove, the height of described lifting guide plate is less than the length of altitude mixture control gathering sill, and described hydraulic lifter is fixed on pedestal
Top, the hydraulic stem of hydraulic lifter is fixedly connected with lifting guide plate, the flexible shield of one layer of hydraulic stem outer cladding of hydraulic lifter
Set, described electric rotating machine is fixed on the lateral surface of lifting guide plate, and the swingle of electric rotating machine passes through lifting guide plate and enlarged portion
Part is connected；
Described expanding part includes outer expansion disk, intramedullary expansion disk and piston die head assembly, described outer expansion disk and intramedullary expansion
Disk is dodecagon structure, connects into an entirety, intramedullary expansion disk by bracing frame between outer expansion disk and intramedullary expansion disk
It is fixedly connected with the swingle of electric rotating machine, outer expansion disk is in the 12 expansion gathering sills that are uniformly provided with of diversity, described
Each expansion gathering sill be provided with a piston die head assembly, described piston die head assembly include expand guide plate, expansion die head and
Drawback cylinder, expansion die head is mutually perpendicular to fix with expansion guide plate, and described expansion guide plate is slidably fixed on expansion gathering sill
On, described drawback cylinder is fixed in the cavity formed between intramedullary expansion disk and outer expansion disk, the expansion link of drawback cylinder and expansion
Sheet guide plate is fixedly connected.
A kind of expanding mechanism of above-mentioned expanding machine, wherein, the quantity of described expansion die head is 12, and expansion die head is arc
Spend the arc-shaped structure for 30 °, 12 expansion die heads form a complete circular configuration.
The invention has the benefit that
1. the present invention can flexibly adjust expanding during various parameters, strong adaptability, stability under loading, Neng Gouyou
Effect eliminates steel pipe forming pressure and welding stress.
2. the present invention by the hydraulic lifter of adjustment part and lifting guide plate regulating piston die head assembly with treat expanding
Horizontal range between steel pipe, makes both be in same level, and electric rotating machine can make piston die head assembly be rotated,
Easy to operate, adapt to the steel pipe of various models, adjust more accurate.
3. the piston component of expanding part of the present invention can be adjusted flexibly according to the caliber of steel pipe, and 12 radians are
The expansion die head of 30 ° of arc-shaped structure, can make up a complete circular ring structure, increases the stability of steel pipe stress,
Significantly more efficient elimination steel pipe forming pressure and welding stress.
Brief description
Fig. 1 is the side view of the present invention.
Fig. 2 is the left view of the present invention.
Fig. 3 is inventive piston die head assembly assumption diagram.
Specific embodiment
A kind of expanding mechanism of expanding machine as shown in the figure, including pedestal 1, adjustment part 2 and expanding part 3, described pedestal 1
For frame structure, 1 liang of side of pedestal is respectively equipped with an altitude mixture control gathering sill 4, described altitude mixture control gathering sill 4 sets relatively
Put, described adjustment part 2 includes hydraulic lifter 5, lifting guide plate 6 and electric rotating machine 7, described lifting guide plate 6 is slidably solid
It is scheduled between two altitude mixture control gathering sills 4, the height of described lifting guide plate 6 is less than the length of altitude mixture control gathering sill 4, described
Hydraulic lifter 5 is fixed on pedestal 1 top, and the hydraulic stem 8 of hydraulic lifter 5 is fixedly connected with lifting guide plate 6, hydraulic lifter
Hydraulic stem one layer of retractable guard 9 of 8 outer cladding, described electric rotating machine 7 be fixed on lifting guide plate 6 lateral surface on, electric rotating machine 7
Swingle 10 pass through lifting guide plate 6 be connected with expanding part 3；
Described expanding part 3 includes outer expansion disk 11, intramedullary expansion disk 12 and piston die head assembly 13, described outer expansion disk 11
It is dodecagon structure with intramedullary expansion disk 12, between outer expansion disk 11 and intramedullary expansion disk 12, connect into one by bracing frame 19
Individual entirety, intramedullary expansion disk 12 is fixedly connected with the swingle 10 of electric rotating machine, outer expansion disk 11 is in being uniformly provided with of diversity
12 expansion gathering sills 14, each expansion gathering sill 14 described is provided with a piston die head assembly 13, described piston die head
Assembly 13 includes expanding guide plate 15, expansion die head 16 and drawback cylinder 17, and expansion die head 16 and expansion guide plate 15 are mutually perpendicular to solid
Fixed, the quantity of described expansion die head 16 is 12, the arc-shaped structure that expansion die head 16 is 30 ° for radian a, 12 expansions
Die head 16 forms a complete circular configuration, and described expansion guide plate 15 is slidably fixed on expansion gathering sill 14, described
Drawback cylinder 17 is fixed in the cavity formed between intramedullary expansion disk 12 and outer expansion disk 11, the expansion link of drawback cylinder 17 18 with
Expansion guide plate 15 is fixedly connected.
The present invention can flexibly adjust expanding during various parameters, strong adaptability, stability under loading, can effectively disappear
Except steel pipe forming pressure and welding stress.
The present invention passes through the hydraulic lifter of adjustment part and lifts guide plate regulating piston die head assembly and treat expanding steel
Horizontal range between pipe, makes both be in same level, and electric rotating machine can make piston die head assembly be rotated, behaviour
Facilitate, adapt to the steel pipe of various models, adjust more accurate.
The piston component of expanding part can be adjusted flexibly according to the caliber of steel pipe, and 12 radians are 30 ° of circular arc
The expansion die head of shape structure, can make up a complete circular ring structure, increases the stability of steel pipe stress, significantly more efficient
Eliminate steel pipe forming pressure and welding stress.
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In, therefore, the present invention is not limited by the present embodiment, and the technical scheme that any employing equivalence replacement obtains all is protected in the present invention
In the range of.
Claims (2)
1. a kind of expanding mechanism of expanding machine, it is characterized by, including pedestal, adjustment part and expanding part, described pedestal is frame
Frame structure, pedestal two side is respectively equipped with an altitude mixture control gathering sill, described altitude mixture control gathering sill is oppositely arranged, described
Adjustment part includes hydraulic lifter, lifting guide plate and electric rotating machine, and described lifting guide plate is slidably fixed on two height
Adjust between gathering sill, the height of described lifting guide plate is less than the length of altitude mixture control gathering sill, and described hydraulic lifter is fixed
On pedestal top, the hydraulic stem of hydraulic lifter is fixedly connected with lifting guide plate, one layer of the hydraulic stem outer cladding of hydraulic lifter
Retractable guard, described electric rotating machine is fixed on the lateral surface of lifting guide plate, the swingle of electric rotating machine pass through lifting guide plate with
Expanding part is connected；
Described expanding part includes outer expansion disk, intramedullary expansion disk and piston die head assembly, and described outer expansion disk is equal with intramedullary expansion disk
For dodecagon structure, between outer expansion disk and intramedullary expansion disk, an entirety, intramedullary expansion disk and rotation are connected into by bracing frame
The swingle of rotating motor is fixedly connected, outer expansion disk is in diversity be uniformly provided with 12 expansion gathering sills, described each
Expansion gathering sill is provided with a piston die head assembly, and described piston die head assembly includes expanding guide plate, expansion die head and reset
Oil cylinder, expansion die head is mutually perpendicular to fix with expansion guide plate, and described expansion guide plate is slidably fixed on expansion gathering sill, institute
State drawback cylinder be fixed between intramedullary expansion disk and outer expansion disk formed cavity in, the expansion link of drawback cylinder with expansion guide plate
It is fixedly connected.
2. a kind of expanding mechanism of expanding machine as claimed in claim 1, it is characterized by, the quantity of described expansion die head is 12
Individual, the arc-shaped structure that expansion die head is 30 ° for radian, 12 expansion die heads form a complete circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196008.4A CN104785650B (en) | 2015-04-23 | 2015-04-23 | Expanding mechanism of expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196008.4A CN104785650B (en) | 2015-04-23 | 2015-04-23 | Expanding mechanism of expanding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104785650A CN104785650A (en) | 2015-07-22 |
| CN104785650B true CN104785650B (en) | 2017-01-25 |
Family
ID=53551087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510196008.4A Active CN104785650B (en) | 2015-04-23 | 2015-04-23 | Expanding mechanism of expanding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104785650B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107973A (en) * | 2015-09-28 | 2015-12-02 | 苏州洛特兰新材料科技有限公司 | Tube expander |
| CN106077319B (en) * | 2016-08-23 | 2018-11-16 | 楼尚精密机械（上海）有限公司 | A kind of rotary pipe-expanding machine |
| CN106584877B (en) * | 2016-12-09 | 2023-05-30 | 重庆寅悦恒工贸有限公司 | Pipe fitting centering mechanism for vehicle |
| CN106825273B (en) * | 2017-01-10 | 2018-12-28 | 中国重型机械研究院股份公司 | A kind of full circle expander |
| CN108672575A (en) * | 2018-06-04 | 2018-10-19 | 常州大学 | A kind of more specification shaping mechanisms of integral type pipe expander |
| CN117920875A (en) * | 2024-03-21 | 2024-04-26 | 山东沃亚森曼机械科技有限公司 | Lever type steel pipe end expanding machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3583200A (en) * | 1969-05-19 | 1971-06-08 | Grotnes Machine Works Inc | Expanding head and improved seal therefor |
| JPS59501197A (en) * | 1982-07-01 | 1984-07-12 | ラスト パテント マニフアクテユア−ズ プロプライエタリ− リミテツド | tube expander |
| CN202143924U (en) * | 2011-06-10 | 2012-02-15 | 青岛昊坤机械制造有限公司 | Expanding mill at end of steel pipe |
| DE202012100361U1 (en) * | 2012-02-03 | 2013-05-06 | Rehau Ag + Co. | Expansion head for expansion tools and this comprehensive expansion tool |
| CN203235845U (en) * | 2013-03-21 | 2013-10-16 | 镇江市恒源汽车零部件有限公司 | Expanding rounder |
| CN203541313U (en) * | 2013-09-30 | 2014-04-16 | 番禺珠江钢管有限公司 | Height regulation device for expanding machine |
| CN204735639U (en) * | 2015-04-23 | 2015-11-04 | 江苏振光电力设备制造有限公司 | Expansion mechanism of expanding machine |
-
2015
- 2015-04-23 CN CN201510196008.4A patent/CN104785650B/en active Active
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| Publication number | Publication date |
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| CN104785650A (en) | 2015-07-22 |
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