CN113369394A - Horizontal type pipe expander with efficient cooling mechanism - Google Patents

Horizontal type pipe expander with efficient cooling mechanism Download PDF

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Publication number
CN113369394A
CN113369394A CN202110554704.3A CN202110554704A CN113369394A CN 113369394 A CN113369394 A CN 113369394A CN 202110554704 A CN202110554704 A CN 202110554704A CN 113369394 A CN113369394 A CN 113369394A
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CN
China
Prior art keywords
pipe
limiting part
fixedly connected
efficient cooling
cooling mechanism
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.)
Pending
Application number
CN202110554704.3A
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Chinese (zh)
Inventor
郭高山
何云峰
刘志刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinxiang Bowei Machinery Co ltd
Original Assignee
Xinxiang Bowei Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xinxiang Bowei Machinery Co ltd filed Critical Xinxiang Bowei Machinery Co ltd
Priority to CN202110554704.3A priority Critical patent/CN113369394A/en
Publication of CN113369394A publication Critical patent/CN113369394A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00Application of procedures in order to alter the diameter of tube ends
    • B21D41/02Enlarging
    • B21D41/026Enlarging by means of mandrels
    • B21D41/028Enlarging by means of mandrels expandable mandrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/16Heating or cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

The invention discloses a horizontal pipe expander with an efficient cooling mechanism, which comprises pipe expander driving equipment, a first limiting part and a main body, wherein a cooling structure is arranged at the top end inside the main body, an air outlet is uniformly and fixedly connected to one side of the top end of the main body, one end of one side of the top of the main body is fixedly connected with the first limiting part, the top end of the first limiting part is movably hinged with a second limiting part, reserved grooves are uniformly formed in one ends of the first limiting part and the second limiting part, a rubber pad is fixedly connected to one end of each reserved groove, and fixing structures are arranged on two sides of one end of the first limiting part. According to the invention, the pipe expanding pieces are uniformly arranged on one side of the pipe expanding driving device, the pipe expanding driving device is started to drive the pipe expanding pieces to extend out and go deep into the pipeline, the supporting balls retract inwards, the pipe expanding pieces are driven to expand outwards under the action of the reserved openings, and the pipe expanding pieces are used for expanding the pipeline, so that the pipe expanding is more stable.

Description

Horizontal type pipe expander with efficient cooling mechanism
Technical Field
The invention relates to the technical field of pipe expanders, in particular to a horizontal pipe expander with a high-efficiency cooling mechanism.
Background
The pipe expander expands two ends of a pipe fitting through the pipe expander, so that the inner machines at the two ends of the pipe fitting are larger than the original inner diameter of the pipe fitting, wherein the vertical pipe expander is also one of the pipe expanders, the vertical pipe expander is a machine which stands a plurality of groups of pipe fittings and expands the pipes simultaneously, and pipes are expanded, so that the pipes can be conveniently connected;
traditional electric tube expander carries on spacingly owing to be not convenient for to the pipeline, and electric tube expander is in the course of the work owing to be not convenient for carry on spacingly to the pipeline, is not convenient for adjust the length of expand tube, and is not convenient for fix the pipeline, can lead to the pipeline harm, influences the pipe-line use, can cause the waste simultaneously.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a horizontal pipe expander with an efficient cooling mechanism, which is used for solving the defect that the existing pipe expander is inconvenient to limit a pipeline.
Disclosure of the invention
In order to solve the technical problems, the invention provides the following technical scheme: a horizontal pipe expander with an efficient cooling mechanism comprises pipe expander driving equipment, a first limiting piece and a main body, wherein a cooling structure is arranged at the top end inside the main body, one side of the top end of the main body is uniformly and fixedly connected with an air outlet, and one end of one side of the top of the main body is fixedly connected with the first limiting piece;
the top end of the first limiting part is movably hinged with a second limiting part, one ends of the first limiting part and the second limiting part are uniformly provided with reserved grooves, one ends of the reserved grooves are fixedly connected with rubber pads, two sides of one end of the first limiting part are provided with fixing structures, each fixing structure comprises a first fixing seat, a fixing mechanism, a fixing ring and a second fixing seat, the fixing mechanisms are fixedly connected to two sides of one end of the second limiting part, and the other side of the top end of the main body is provided with a tube expansion driving device;
one side of the expanding pipe driving device is uniformly provided with expanding pipe fittings, both ends of each expanding pipe fitting are provided with reserved openings, and supporting balls are arranged inside the expanding pipe fittings.
Preferably, the pipe expanding pieces are distributed on the pipe expanding driving device at equal intervals, and a sliding structure is formed between the pipe expanding pieces and the pipe expanding driving device.
Preferably, cooling structure is including casing, support frame, connecting pipe, air intake, fan and condenser pipe, casing fixed connection is on the inside top of main part, the equal fixedly connected with connecting pipe in top of casing one side, and the connecting pipe all is linked together with the one end of air outlet, the bottom of casing evenly is provided with the air intake, the inside top fixedly connected with support frame of casing, and the inside fixedly connected with condenser pipe of support frame, the inside bottom fixedly connected with fan of casing.
Preferably, the condenser pipe is fixed by the support frame and is arranged in a snake shape.
Preferably, the air inlets are distributed at equal intervals, and the air inlets are symmetrically distributed about a vertical center line of the shell.
Preferably, a rotating structure is formed between the second limiting part and the first limiting part, and the preformed groove are matched with each other.
Preferably, the first fixing base of the equal fixedly connected with in one end of fixed structure, the equal fixed connection of second fixing base is in the both sides of first locating part one end, solid fixed ring is all installed to the one end of second fixing base.
Preferably, the first fixing seats are symmetrically distributed about a vertical center line of the second limiting member, and a clamping structure is formed between the fixing ring and the first fixing seat.
Preferably, the reserved opening is used for dividing the pipe expanding piece, and the supporting ball is supported in the pipe expanding piece.
(III) advantageous effects
The invention provides a pipe expander convenient for limiting a pipeline, which has the advantages that: the reserved grooves are uniformly formed in one ends of the first limiting part and the second limiting part, the pipeline is sequentially placed in the reserved grooves, the second limiting part is closed, the fixing ring is rotated upwards and hung on the first fixing seat, then the fixing ring is pressed downwards, the second limiting part and the first limiting part are fixed in a closed mode, the pipeline is limited and fixed, the rubber pad buffers the pipeline, the pipeline is prevented from being damaged, pipe expanding work can be accurately carried out, and working efficiency is improved;
the fan is fixedly connected to the bottom end inside the shell, the connecting pipe is started to absorb external air through the air inlet, the condensing pipe cools the air, the reduced air is output through the air outlet under the connection of the connecting pipe, and the pipe expanding part is cooled, so that the working efficiency is improved conveniently;
the expansion pipe fitting is evenly installed on one side of the expansion pipe driving device, the expansion pipe driving device starts the driving expansion pipe fitting to stretch out, the expansion pipe driving device goes deep into the inside of the pipeline, the supporting balls retract inwards, the expansion pipe fitting is driven to expand outwards under the action of the reserved opening, the expansion pipe fitting is utilized to expand the pipeline, and the expansion pipe is enabled to be more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of a first position-limiting member according to the present invention;
FIG. 3 is a schematic structural view of the shell in front view;
FIG. 4 is an enlarged schematic view of the position A of the jigsaw puzzle 1 of the present invention;
fig. 5 is a partial perspective view of the pipe expansion member of the present invention.
The reference numerals in the figures illustrate:
1. a tube expansion drive device; 2. expanding the pipe fitting; 3. an air outlet; 4. a first limit piece; 5. a cooling structure; 501. a housing; 502. a support frame; 503. a connecting pipe; 504. an air inlet; 505. a fan; 506. a condenser tube; 6. a main body; 7. a second limiting member; 8. reserving a groove; 9. a fixed structure; 901. a first fixed seat; 902. a fixed structure; 903. a fixing ring; 904. a second fixed seat; 10. a rubber pad; 11. a support ball; 12. and reserving the port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the horizontal pipe expander with a high-efficiency cooling mechanism provided by the invention comprises a pipe expander driving device 1, a first limiting member 4 and a main body 6, wherein a cooling structure 5 is arranged at the top end inside the main body 6, the cooling structure 5 comprises a shell 501, a supporting frame 502, a connecting pipe 503, an air inlet 504, a fan 505 and a condenser pipe 506, the shell 501 is fixedly connected to the top end inside the main body 6, the top end of one side of the shell 501 is fixedly connected with the connecting pipe 503, the connecting pipe 503 is communicated with one end of an air outlet 3, the bottom end of the shell 501 is uniformly provided with the air inlet 504, the top end inside the shell 501 is fixedly connected with the supporting frame 502, the inside of the supporting frame 502 is fixedly connected with the condenser pipe 506, the bottom end inside the shell 501 is fixedly connected with the fan 505, and the model of the fan 505 can be ASD-a 2;
the support frame 502 fixes the condensation pipe 506, and the condensation pipe 506 is arranged in a snake shape, so that the contact area with air is increased;
the air inlets 504 are distributed at equal intervals, the air inlets 504 are symmetrically distributed about the vertical center line of the shell 501, air inlet is more uniform, after pipe expansion work is finished, the pipe expansion part 2 is separated from the pipeline, the pipeline can generate heat, the connecting pipe 503 is started to absorb external air through the air inlets 504, the condensing pipe 506 cools the air, the reduced air is output through the air outlets 3 under the connection of the connecting pipe 503, the pipe expansion part is cooled, and after cooling is finished, the pipeline is taken out;
one side of the top end of the main body 6 is uniformly and fixedly connected with an air outlet 3, and one end of one side of the top of the main body 6 is fixedly connected with a first limiting piece 4;
the top end of the first limiting piece 4 is movably hinged with a second limiting piece 7, a rotating structure is formed between the second limiting piece 7 and the first limiting piece 4, and the preformed groove 8 are matched with each other, so that the pipeline is fixed conveniently;
one end of each of the first limiting part 4 and the second limiting part 7 is uniformly provided with a preformed groove 8, one end of each of the preformed grooves 8 is fixedly connected with a rubber pad 10, two sides of one end of each of the first limiting part 4 are provided with fixing structures 9, each of the fixing structures 9 comprises a first fixing seat 901, a fixing structure 902, a fixing ring 903 and a second fixing seat 904, each of the fixing structures 902 is fixedly connected to two sides of one end of each of the second limiting parts 7, one end of each of the fixing structures 902 is fixedly connected with the first fixing seat 901, each of the second fixing seats 904 is fixedly connected to two sides of one end of each of the first limiting parts 4, and one end of each of the second fixing seats 904 is provided with the fixing ring 903;
the first fixing seat 901 is symmetrically distributed about a vertical center line of the second limiting member 7, a clamping structure is formed between the fixing ring 903 and the first fixing seat 901, the disassembly and the fixation are convenient, the pipeline is sequentially placed inside the preformed groove 8, the second limiting member 7 is closed, the fixing ring 903 is rotated upwards, the fixing ring 903 is hung on the first fixing seat 901, the fixing ring 903 is pressed downwards, the second limiting member 7 and the first limiting member 4 are closed and fixed, and the pipeline is limited and fixed;
the other side of the top end of the main body 6 is provided with a tube expansion driving device 1 for driving the device;
one side of the tube expansion driving device 1 is uniformly provided with tube expansion pieces 2, two ends of each tube expansion piece 2 are provided with reserved openings 12, the reserved openings 12 divide the tube expansion pieces 2, and the support balls 11 are supported inside the tube expansion pieces 2;
the pipe fitting 2 that expands is equidistant distribution on expand tube drive device 1, constitute sliding structure between expand tube 2 and the expand tube drive device 1, the inside of the pipe fitting 2 that expands of control of being convenient for all installs supporting ball 11, with the fixed back of accomplishing of pipeline, the start work, expand tube drive device 1 starts drive expand tube 2 and stretches out, go deep into the inside of pipeline, supporting ball 11 inwards contracts, under the effect of reserving mouthful 12, drive expand tube 2 and outwards expand, utilize expand tube 2 to carry out the expand tube to the pipeline.
The working principle is as follows: when the device is used, a power supply is externally connected, firstly, pipelines are sequentially placed inside the preformed groove 8, the second limiting piece 7 is closed, the fixing ring 903 is rotated upwards, the fixing ring 903 is hung on the first fixing seat 901, the fixing ring 903 is pressed downwards, the second limiting piece 7 and the first limiting piece 4 are closed and fixed, and the pipelines are limited and fixed;
secondly, after the pipeline is fixed, the pipeline begins to work, the expansion driving device 1 is started to drive the expansion pipe fitting 2 to stretch out and penetrate into the pipeline, the supporting balls 11 retract inwards, the expansion pipe fitting 2 is driven to expand outwards under the action of the reserved opening 12, and the expansion pipe fitting 2 is used for expanding the pipeline;
finally, after the expand tube work, expand tube spare 2 and pipeline separation, the pipeline can generate heat, and connecting pipe 503 starts to absorb outside air through air intake 504, and condenser pipe 506 cools down the air, and the air that reduces is exported through air outlet 3 under connecting pipe 503's connection, cools down the expand tube position, after the cooling, takes out the pipeline.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. The utility model provides a horizontal electric tube expander of horizontal type with high-efficient cooling body, includes expand tube drive device (1), first locating part (4) and main part (6), its characterized in that: a cooling structure (5) is arranged at the top end inside the main body (6), an air outlet (3) is uniformly and fixedly connected to one side of the top end of the main body (6), and a first limiting part (4) is fixedly connected to one end of one side of the top of the main body (6);
the top end of the first limiting part (4) is movably hinged with a second limiting part (7), one ends of the first limiting part (4) and the second limiting part (7) are uniformly provided with a preformed groove (8), one end of the preformed groove (8) is fixedly connected with a rubber pad (10), two sides of one end of the first limiting part (4) are respectively provided with a fixed structure (9), each fixed structure (9) comprises a first fixed seat (901), a fixed structure (902), a fixed ring (903) and a second fixed seat (904), each fixed structure (902) is fixedly connected to two sides of one end of the second limiting part (7), and the other side of the top end of the main body (6) is provided with an expanding tube driving device (1);
one side of expand tube drive device (1) evenly installs expand tube spare (2), and the both ends of expand tube spare (2) all are provided with reserve mouth (12), support ball (11) are all installed to the inside of expand tube spare (2).
2. The horizontal pipe expander with the efficient cooling mechanism as claimed in claim 1, wherein: the expansion pipe fitting (2) is distributed on the expansion pipe driving device (1) at equal intervals, and a sliding structure is formed between the expansion pipe fitting (2) and the expansion pipe driving device (1).
3. The horizontal pipe expander with the efficient cooling mechanism as claimed in claim 1, wherein: cooling structure (5) is including casing (501), support frame (502), connecting pipe (503), air intake (504), fan (505) and condenser pipe (506), casing (501) fixed connection is on the inside top of main part (6), the equal fixedly connected with connecting pipe (503) in top of casing (501) one side, and connecting pipe (503) all are linked together with the one end of air outlet (3), the bottom of casing (501) evenly is provided with air intake (504), the inside top fixedly connected with support frame (502) of casing (501), and the inside fixedly connected with condenser pipe (506) of support frame (502), the inside bottom fixedly connected with fan (505) of casing (501).
4. The horizontal pipe expander with the efficient cooling mechanism as claimed in claim 3, wherein: the support frame (502) fixes the condensation pipe (506), and the condensation pipe (506) is arranged in a snake shape.
5. The horizontal pipe expander with the efficient cooling mechanism as claimed in claim 3, wherein: the air inlets (504) are distributed at equal intervals, and the air inlets (504) are symmetrically distributed relative to the vertical center line of the shell (501).
6. The horizontal pipe expander with the efficient cooling mechanism as claimed in claim 1, wherein: and a rotating structure is formed between the second limiting part (7) and the first limiting part (4), and the preformed groove (8) is matched with the preformed groove (8).
7. The horizontal pipe expander with the efficient cooling mechanism as claimed in claim 1, wherein: the fixing structure is characterized in that one end of the fixing structure (902) is fixedly connected with a first fixing seat (901), the second fixing seat (904) is fixedly connected to two sides of one end of the first limiting part (4), and one end of the second fixing seat (904) is provided with a fixing ring (903).
8. The horizontal pipe expander with the efficient cooling mechanism as claimed in claim 1, wherein: the first fixing seat (901) is symmetrically distributed about a vertical center line of the second limiting piece (7), and a clamping structure is formed between the fixing ring (903) and the first fixing seat (901).
9. The horizontal pipe expander with the efficient cooling mechanism as claimed in claim 1, wherein: the reserved opening (12) divides the tube expanding piece (2), and the supporting ball (11) is supported in the tube expanding piece (2).
CN202110554704.3A 2021-05-21 2021-05-21 Horizontal type pipe expander with efficient cooling mechanism Pending CN113369394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110554704.3A CN113369394A (en) 2021-05-21 2021-05-21 Horizontal type pipe expander with efficient cooling mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110554704.3A CN113369394A (en) 2021-05-21 2021-05-21 Horizontal type pipe expander with efficient cooling mechanism

Publications (1)

Publication Number Publication Date
CN113369394A true CN113369394A (en) 2021-09-10

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CN202110554704.3A Pending CN113369394A (en) 2021-05-21 2021-05-21 Horizontal type pipe expander with efficient cooling mechanism

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Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0284773A2 (en) * 1987-02-26 1988-10-05 Erich Büchele Apparatus for enlarging tube ends
KR100871437B1 (en) * 2007-12-18 2008-12-03 노영주 Pipe expander
DE202012104513U1 (en) * 2012-11-21 2012-12-04 Jun Fan Chen Rohraufweitgerät
CN202963256U (en) * 2012-12-18 2013-06-05 葛建锋 Pipe expander
KR20140055597A (en) * 2012-10-31 2014-05-09 이종태 Coupling pipe forming apparatus and the method thereof
CN205020663U (en) * 2015-08-18 2016-02-10 湖州琪宇汽车零部件有限公司 Blast pipe pipe -expanding machine cooling device
CN205032591U (en) * 2015-09-14 2016-02-17 天津商业大学 Practical expander head
CN205074441U (en) * 2015-10-21 2016-03-09 洛阳隆华传热节能股份有限公司 A expand tube device for condenser tube bank elliptical tube
CN205085301U (en) * 2015-10-13 2016-03-16 浙江诚康钢管有限公司 A mechanical hole enlargement device for steel pipe
WO2017158635A1 (en) * 2016-03-14 2017-09-21 川崎重工業株式会社 Tube diameter expanding method and molding apparatus
CN206763774U (en) * 2017-05-12 2017-12-19 任丘市力洋压缩机制造有限公司 Compressor oil pipe electric tube expander
CN109647997A (en) * 2018-12-21 2019-04-19 芜湖汉峰科技有限公司 A kind of automatic expanding device of steel pipe
CN209935712U (en) * 2019-03-20 2020-01-14 宁波精达成形装备股份有限公司 Expansion head mechanism of pipe expander
CN210754753U (en) * 2019-08-04 2020-06-16 江苏富厚电气有限公司 Air conditioner heat dissipation fin copper pipe expander
CN111438284A (en) * 2020-04-30 2020-07-24 中山联塑华通钢塑管有限公司 Hydraulic pipe expanding device
CN211726989U (en) * 2020-01-22 2020-10-23 唐山市丰南区众鑫铝业有限公司 Aluminum profile cooling device
CN111842675A (en) * 2020-08-04 2020-10-30 马鞍山楚锐科技信息咨询有限公司 Pressure expanding equipment for stainless steel seamless steel tube
CN111872246A (en) * 2020-07-11 2020-11-03 青海民族大学 Pipe expanding device and method for heat transfer pipe

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0284773A2 (en) * 1987-02-26 1988-10-05 Erich Büchele Apparatus for enlarging tube ends
KR100871437B1 (en) * 2007-12-18 2008-12-03 노영주 Pipe expander
KR20140055597A (en) * 2012-10-31 2014-05-09 이종태 Coupling pipe forming apparatus and the method thereof
DE202012104513U1 (en) * 2012-11-21 2012-12-04 Jun Fan Chen Rohraufweitgerät
CN202963256U (en) * 2012-12-18 2013-06-05 葛建锋 Pipe expander
CN205020663U (en) * 2015-08-18 2016-02-10 湖州琪宇汽车零部件有限公司 Blast pipe pipe -expanding machine cooling device
CN205032591U (en) * 2015-09-14 2016-02-17 天津商业大学 Practical expander head
CN205085301U (en) * 2015-10-13 2016-03-16 浙江诚康钢管有限公司 A mechanical hole enlargement device for steel pipe
CN205074441U (en) * 2015-10-21 2016-03-09 洛阳隆华传热节能股份有限公司 A expand tube device for condenser tube bank elliptical tube
WO2017158635A1 (en) * 2016-03-14 2017-09-21 川崎重工業株式会社 Tube diameter expanding method and molding apparatus
CN206763774U (en) * 2017-05-12 2017-12-19 任丘市力洋压缩机制造有限公司 Compressor oil pipe electric tube expander
CN109647997A (en) * 2018-12-21 2019-04-19 芜湖汉峰科技有限公司 A kind of automatic expanding device of steel pipe
CN209935712U (en) * 2019-03-20 2020-01-14 宁波精达成形装备股份有限公司 Expansion head mechanism of pipe expander
CN210754753U (en) * 2019-08-04 2020-06-16 江苏富厚电气有限公司 Air conditioner heat dissipation fin copper pipe expander
CN211726989U (en) * 2020-01-22 2020-10-23 唐山市丰南区众鑫铝业有限公司 Aluminum profile cooling device
CN111438284A (en) * 2020-04-30 2020-07-24 中山联塑华通钢塑管有限公司 Hydraulic pipe expanding device
CN111872246A (en) * 2020-07-11 2020-11-03 青海民族大学 Pipe expanding device and method for heat transfer pipe
CN111842675A (en) * 2020-08-04 2020-10-30 马鞍山楚锐科技信息咨询有限公司 Pressure expanding equipment for stainless steel seamless steel tube

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