CN107159759B - Pipe bending machine - Google Patents
Pipe bending machine Download PDFInfo
- Publication number
- CN107159759B CN107159759B CN201710568212.3A CN201710568212A CN107159759B CN 107159759 B CN107159759 B CN 107159759B CN 201710568212 A CN201710568212 A CN 201710568212A CN 107159759 B CN107159759 B CN 107159759B
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- CN
- China
- Prior art keywords
- pipe
- clamp
- frame
- feeding
- driving
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Classifications
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- 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
-
- 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
- B21D43/00—Feeding, 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
- B21D43/003—Positioning devices
-
- 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
- B21D43/00—Feeding, 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
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- 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
- B21D43/00—Feeding, 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/16—Advancing work in relation to the stroke of the die or tool by gravity, e.g. chutes
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/162—Heating equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a pipe bending machine, which comprises a frame, a feeding mechanism and a pipe bending mechanism, wherein the feeding mechanism and the pipe bending mechanism are arranged on the frame in sequence along the feeding direction; the feeding mechanism comprises a heating assembly and a feeding assembly, wherein the heating assembly comprises a first supporting frame, a heating groove arranged on the first supporting frame and a heating unit suspended above the heating groove; the feeding assembly comprises a second supporting frame, a translation assembly for driving the second supporting frame to move along the feeding direction and a lifting assembly for driving the second supporting frame to move along the vertical direction; the pipe bending mechanism comprises a first clamp, a second clamp and a pipe bending die arranged between the first clamp and the second clamp. According to the pipe bending machine, through the arrangement of the heating component, the pipe can be heated and softened, and is easier to bend; meanwhile, the first support frame and the second support frame are matched with each other to continuously process the pipe, so that the production efficiency is improved; the first clamp and the second clamp are matched with the pipe bending die, so that the surface of the produced pipe bending is smooth and flat, and the quality is good.
Description
Technical Field
The invention relates to a pipe bending machine.
Background
The traditional pipe bending machine mostly adopts manual pulling to realize the return bend, not only wastes time and energy, and inefficiency, and the department of buckling of back pipe fitting is uneven, probably appears the crackle even, and return bend surface quality is poor, influences the use of return bend.
Disclosure of Invention
The invention aims to provide a pipe bending machine which is convenient to operate and high in production efficiency, and the surface of the manufactured bent pipe is smooth and flat.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the pipe bending machine is used for bending pipes and comprises a frame, a feeding assembly and a discharging assembly which are arranged on the frame, and a feeding mechanism and a pipe bending mechanism which are arranged on the frame in sequence along the feeding direction;
the feeding mechanism comprises a heating assembly and a feeding assembly, wherein the heating assembly comprises a first supporting frame, a heating groove arranged on the first supporting frame and a heating unit suspended above the heating groove; the feeding assembly comprises a second supporting frame for placing the pipe, a translation assembly for driving the second supporting frame to move along the feeding direction and a lifting assembly for driving the second supporting frame to move along the vertical direction;
the pipe bending mechanism comprises a first clamp used for clamping one end of the pipe, a second clamp used for clamping the other end of the pipe and a pipe bending die arranged between the first clamp and the second clamp.
Preferably, the number of the heating grooves is two, and the two heating grooves are sequentially arranged at intervals along the feeding direction.
Preferably, a rotating member for driving the pipe to rotate around the axis line of the pipe is arranged in the heating groove.
Preferably, the first supporting frame is further provided with a preparation groove for placing a pipe to be processed, and the preparation groove and the heating groove are sequentially arranged at intervals along the feeding direction.
Preferably, at least two feeding grooves for placing the pipes are arranged on the second supporting frame at intervals along the feeding direction.
Preferably, the pipe bending machine further comprises a first translation mechanism arranged on the frame and used for driving the first clamp to move along the horizontal direction, a second translation mechanism arranged on the frame and used for driving the second clamp to move along the horizontal direction, a first rotation mechanism arranged on the frame and used for driving the first clamp to rotate in a vertical plane, and a second rotation mechanism arranged on the frame and used for driving the second clamp to rotate in the vertical plane.
Preferably, the pipe bending die comprises an arc-shaped pipe bending upper die and an arc-shaped pipe bending lower die which can move along the vertical direction, and the pipe bending upper die is arranged above the pipe bending lower die.
Preferably, the pipe bender further comprises a first mandrel arranged on the frame and used for flaring one end of the pipe, and a second mandrel arranged on the frame and used for flaring the other end of the pipe.
More preferably, the pipe bender further comprises a first drive assembly for driving the first mandrel to move in a horizontal direction and a second drive assembly for driving the second mandrel to move in a horizontal direction.
More preferably, the pipe bender further comprises a first air pipe arranged in the first core die and used for introducing compressed air into the pipe, and a second air pipe arranged in the second core die and used for introducing compressed air into the pipe.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the pipe bending machine, through the arrangement of the heating component, the pipe can be heated and softened, and is easier to bend; meanwhile, the first support frame and the second support frame are matched with each other to continuously process the pipe, so that the production efficiency is improved; the first clamp and the second clamp are matched with the pipe bending die, so that the surface of the produced pipe bending is smooth and flat, and the quality is good.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic cross-sectional structure of the invention perpendicular to the feeding direction.
Wherein: 1. a frame; 2. a feed assembly; 3. a discharge assembly; 4. a first support frame; 5. a heating tank; 6. a heating unit; 7. a second support frame; 8. a translation assembly; 9. a lifting assembly; 10. a first clamp; 11. a second clamp; 12. a rotating member; 13. a preparation groove; 14. a feed chute; 15. a first translation mechanism; 16. a second translation mechanism; 17. a first rotation mechanism; 18. a second rotation mechanism; 19. bending the upper die; 20. a lower die of the bent pipe; 21. a first mandrel; 22. a second core die; 23. a first drive assembly; 24. a second drive assembly; 25. a first gas pipe; 26. and a second gas pipe.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, the pipe bender is used for bending pipes and comprises a frame 1, a feeding assembly 2 and a discharging assembly 3 which are arranged on the frame 1, and a feeding mechanism and a pipe bending mechanism which are arranged on the frame 1 and sequentially arranged along the feeding direction.
In this embodiment, the feeding assembly 2 is inclined, and the pipe is placed in the feeding assembly 2 by tilting down along the feeding direction, and can roll into the feeding mechanism by itself under the action of gravity. The discharging assembly 3 comprises a discharging motor, a chain wheel, a discharging cylinder and a discharging manipulator, after the pipe bending is completed, the discharging cylinder is started, the discharging manipulator is driven to hold up the pipe fitting, and meanwhile, the discharging motor is started, and the chain wheel are driven to drive, so that the pipe fitting is sent out.
The feeding mechanism comprises a heating assembly and a feeding assembly, wherein the heating assembly comprises a first supporting frame 4, a heating groove 5 arranged on the first supporting frame 4 and a heating unit 6 suspended above the heating groove 5; the feeding assembly comprises a second supporting frame 7 for placing the pipe, a translation assembly 8 for driving the second supporting frame 7 to move along the feeding direction and a lifting assembly 9 for driving the second supporting frame 7 to move along the vertical direction.
In this embodiment, the first support frame 4 and the second support frame 7 are arranged at intervals side by side perpendicular to the feeding direction, and the second support frame 7 can move along the feeding direction and the vertical direction. After the pipe enters the feeding mechanism, the second supporting frame 7 supports the pipe and sends the pipe to the heating groove 5, and the heating unit 6 is suspended above the heating groove 5 and used for heating the pipe so as to bend the pipe more easily. The heating unit 6 is a heating oven. The heating tank 5 is internally provided with a rotating piece 12 for driving the pipe to rotate around the axial lead of the pipe. Here, the rotating member 12 is a rotating tube, and the tube is driven by the rotating tube to rotate, so that the tube is heated uniformly and is more convenient to bend. Here, there are two heating tanks 5, and the two heating tanks 5 are arranged at intervals in the feeding direction in order. Two heating tanks 5 are arranged, so that two pipes can be heated simultaneously, and the waiting time is shortened by two times of heating, so that the efficiency is greatly improved.
In this embodiment, the heating assembly further includes a preparation groove 13 disposed on the first supporting frame 4 for placing the pipe to be processed, the preparation groove 13 is used for temporarily placing the pipe to be processed fed from the feeding assembly 2, and the preparation groove 13 and the heating groove 5 are sequentially disposed at intervals along the feeding direction. The preparation groove 13 is disposed at the forefront end of the feeding direction, and is used for temporarily placing the pipe to be processed, and waiting for the heating of the pipe in the heating groove 5. At least two feeding grooves 14 for placing pipes are arranged on the second supporting frame 7 at intervals along the feeding direction. Here, there are three feed tanks 14, two heating tanks 5, the interval between each feed tank 14 is the same as the interval between the preparation tank 13 and the heating tank 5 and the interval between the two heating tanks 5, and in operation, the three feed tanks 14 respectively hold up the pipes in the preparation tank 13 and the two heating tanks 5 to the corresponding next stations.
The pipe bending mechanism comprises a first clamp 10 for clamping one end of a pipe, a second clamp 11 for clamping the other end of the pipe, and a pipe bending die arranged between the first clamp 10 and the second clamp 11. The device also comprises a first translation mechanism 15 arranged on the frame 1 and used for driving the first clamp 10 to move along the horizontal direction, a second translation mechanism 16 arranged on the frame 1 and used for driving the second clamp 11 to move along the horizontal direction, a first rotation mechanism 17 arranged on the frame 1 and used for driving the first clamp 10 to rotate in a vertical plane, and a second rotation mechanism 18 arranged on the frame 1 and used for driving the second clamp 11 to rotate in the vertical plane.
In this embodiment, the first clamp 10 and the second clamp 11 are respectively disposed at two sides of the feeding direction, and are used for clamping and fixing two ends of the pipe, and when the pipe enters the pipe bending mechanism, the first clamp 10 and the second clamp 11 approach the pipe and clamp the two ends of the pipe. Here, the first translation mechanism 15 includes a first translation cylinder and a first translation die carrier, the second translation mechanism 16 includes a second translation cylinder and a second translation die carrier, the first translation cylinder drives the first translation die carrier, the first translation die carrier drives the first clamp 10 to approach the pipe, the second translation cylinder drives the second translation die carrier, the second translation die carrier drives the second clamp 11 to approach the pipe, and when reaching a specified length, the first clamp 10 and the second clamp 11 clamp two ends of the pipe respectively.
After the first clamp 10 and the second clamp 11 clamp the pipe, the first rotation mechanism 17 and the second rotation mechanism 18 start to operate. The first rotating mechanism 17 comprises a first rotating cylinder and a first rotating die frame, the second rotating mechanism 18 comprises a second rotating cylinder and a second rotating die frame, the first rotating cylinder drives the first rotating die frame, the first rotating die frame drives the first clamp 10 to rotate along the vertical direction, the second rotating cylinder drives the second rotating die frame, and the second rotating die frame drives the second clamp 11 to rotate along the vertical direction, so that the pipe is preliminarily bent.
The pipe bending die comprises an arc-shaped pipe bending upper die 19 and an arc-shaped pipe bending lower die 20 which can move along the vertical direction, and the pipe bending upper die 19 is arranged above the pipe bending lower die 20. The opening directions of the arc openings of the upper die 19 and the lower die 20 are the same. The upper die 19 and the lower die 20 can be matched and clamped together. After the first clamp 10 and the second clamp 11 bend the pipe into a rough shape, the pipe bending die is closed, and the pipe bending die is used for avoiding the breakage of the pipe and the unevenness of the surface of the pipe. The pipe can be completely wrapped by the pipe bending die, and the danger caused by outwards popping of the pipe due to stress is avoided. Meanwhile, the pipe bending machine further comprises a driving oil cylinder which is arranged on the frame and used for driving the upper pipe bending die 19 and the lower pipe bending die 20 to move along the vertical direction.
The pipe bender further comprises a first mandrel 21 arranged on the frame 1 and used for flaring one end of the pipe, a second mandrel 22 arranged on the frame 1 and used for flaring the other end of the pipe, a first driving component 23 used for driving the first mandrel 21 to move in the horizontal direction, and a second driving component 24 used for driving the second mandrel 22 to move in the horizontal direction. The first core die 21 and the second core die 22 function to expand the nozzles at both ends of the pipe material so that the produced bent pipe can be connected with other pipe materials.
Meanwhile, the pipe bender further comprises a first air pipe 25 which is arranged in the first core die 21 and used for introducing compressed air into the pipe, and a second air pipe 26 which is arranged in the second core die 22 and used for introducing compressed air into the pipe. The compressed air is introduced into the pipe to blow and shape the pipe, so that the inner surface of the pipe is smooth.
The working procedure of this embodiment is specifically described below: the pipe is put into the feeding component 2, the pipe is sequentially rolled into the feeding mechanism under the action of gravity, the pipe is waiting to be processed in the preparation groove 13, then the second supporting frame 7 supports the pipe and is conveyed into the heating groove 5, the heating unit 6 is started, the rotating piece 12 drives the pipe to rotate and heat, when the temperature reaches the set temperature, the second supporting frame 7 supports the pipe again and conveys the pipe into the next heating groove 5 to continue heating, after heating is completed, the second supporting frame 7 supports the pipe and conveys the pipe into the pipe bending mechanism, then the first clamp 10 and the second clamp 11 clamp two ends of the pipe respectively, the first core mold 21 and the second core mold 22 support the pipe openings at two ends of the pipe, flaring is carried out on the two ends of the pipe, the first gas pipe 25 and the second gas pipe 26 are blown, then the first clamp 10 and the second clamp 11 rotate in a vertical plane, the pipe is initially bent, then the pipe bending mold is closed, and the pipe is bent is completed, and the discharging component 3 sends the processed pipe out.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a bending machine for buckle tubular product, includes frame (1), locates feeding subassembly (2) and ejection of compact subassembly (3) on frame (1), its characterized in that: the feeding mechanism and the pipe bending mechanism are sequentially arranged on the frame (1) along the feeding direction;
the feeding mechanism comprises a heating assembly and a feeding assembly, wherein the heating assembly comprises a first supporting frame (4), a heating groove (5) arranged on the first supporting frame (4) and a heating unit (6) suspended above the heating groove (5); the feeding assembly comprises a second supporting frame (7) for placing the pipe, a translation assembly (8) for driving the second supporting frame (7) to move along the feeding direction and a lifting assembly (9) for driving the second supporting frame (7) to move along the vertical direction;
the pipe bending mechanism comprises a first clamp (10) used for clamping one end of the pipe, a second clamp (11) used for clamping the other end of the pipe and a pipe bending die arranged between the first clamp (10) and the second clamp (11);
a rotating piece (12) for driving the pipe to rotate around the axis of the pipe is arranged in the heating groove (5);
a preparation groove (13) for placing a pipe to be processed is further formed in the first supporting frame (4), and the preparation groove (13) and the heating groove (5) are sequentially arranged at intervals along the feeding direction;
the pipe bending machine further comprises a first translation mechanism (15) arranged on the frame (1) and used for driving the first clamp (10) to move in the horizontal direction, a second translation mechanism (16) arranged on the frame (1) and used for driving the second clamp (11) to move in the horizontal direction, a first rotation mechanism (17) arranged on the frame (1) and used for driving the first clamp (10) to rotate in a vertical plane, and a second rotation mechanism (18) arranged on the frame (1) and used for driving the second clamp (11) to rotate in the vertical plane;
the pipe bending machine further comprises a first core die (21) arranged on the frame (1) and used for flaring one end of the pipe, and a second core die (22) arranged on the frame (1) and used for flaring the other end of the pipe;
the pipe bending machine further comprises a first air pipe (25) which is arranged in the first core die (21) and used for introducing compressed air into the pipe, and a second air pipe (26) which is arranged in the second core die (22) and used for introducing compressed air into the pipe.
2. A pipe bender according to claim 1, wherein: the two heating tanks (5) are sequentially arranged at intervals along the feeding direction.
3. A pipe bender according to claim 1, wherein: at least two feeding grooves (14) for placing the pipes are arranged on the second supporting frame (7) at intervals along the feeding direction.
4. A pipe bender according to claim 1, wherein: the pipe bending die comprises an arc-shaped pipe bending upper die (19) and a pipe bending lower die (20) which can move along the vertical direction, and the pipe bending upper die (19) is arranged above the pipe bending lower die (20).
5. A pipe bender according to claim 1, wherein: the pipe bending machine further comprises a first driving assembly (23) for driving the first mandrel (21) to move in the horizontal direction and a second driving assembly (24) for driving the second mandrel (22) to move in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568212.3A CN107159759B (en) | 2017-07-13 | 2017-07-13 | Pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568212.3A CN107159759B (en) | 2017-07-13 | 2017-07-13 | Pipe bending machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107159759A CN107159759A (en) | 2017-09-15 |
| CN107159759B true CN107159759B (en) | 2023-06-02 |
Family
ID=59823956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710568212.3A Active CN107159759B (en) | 2017-07-13 | 2017-07-13 | Pipe bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107159759B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983866A (en) * | 2018-01-25 | 2018-05-04 | 张家港市宇昇机械有限公司 | A kind of clamping device for bending machine |
| CN108080519A (en) * | 2018-01-25 | 2018-05-29 | 张家港市宇昇机械有限公司 | A kind of heating arrangements for bending machine |
| CN108555164B (en) * | 2018-01-25 | 2024-02-23 | 张家港市宇昇机械有限公司 | Flaring device for pipe bending machine |
| CN108246913B (en) * | 2018-01-25 | 2023-06-27 | 张家港市宇昇机械有限公司 | Pipe bending machine |
| CN110116154B (en) * | 2018-02-05 | 2024-02-27 | 海盐县铭新机械有限公司 | Full-automatic pipe bending machine |
| CN109228280A (en) * | 2018-09-30 | 2019-01-18 | 江苏煜宇塑料机械科技有限公司 | Bending machine is used in a kind of processing of tubing elbow |
| CN109772975B (en) * | 2019-01-31 | 2023-05-12 | 远大可建科技有限公司 | Pipe flanging equipment and pipe flanging method |
| CN110355231A (en) * | 2019-08-20 | 2019-10-22 | 肇庆市端州区一创机电设备有限公司 | Annealing bend pipe punching press all-in-one machine |
| CN112091114B (en) * | 2020-11-10 | 2021-02-02 | 烟台职业学院 | Bending machine for manufacturing automobile top luggage rack |
| CN113426906B (en) * | 2021-05-26 | 2023-04-07 | 吉安市盛泰金属制品有限公司 | Intelligent processing machine for metal copper pipe fittings of automobile air conditioning system |
| CN114147103B (en) * | 2021-10-14 | 2023-11-14 | 芜湖市通达锅炉有限公司 | Automatic moulding equipment of assembly line processing boiler pipeline connection pipe fitting appearance |
| CN114570846B (en) * | 2022-04-28 | 2022-07-15 | 南通海洲紧固件制造有限公司 | Pipe sheet bolt forming device that buckles |
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| CN102875012A (en) * | 2012-10-10 | 2013-01-16 | 临安钱氏照明电器有限公司 | Energy-saving type improved method for heating apparatus of disc automatic pipebender |
| CN104098256A (en) * | 2013-04-02 | 2014-10-15 | 江苏省勇仕照明有限公司 | Heating device for lamp tube bending machine |
| CN105522021A (en) * | 2016-01-29 | 2016-04-27 | 张家港兴宇机械制造有限公司 | Double-headed pipe bending machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201038124Y (en) * | 2007-04-13 | 2008-03-19 | 潘昌贵 | Pipe bending device of energy-saving tube spiral pipe bender |
| CN101185949A (en) * | 2007-12-20 | 2008-05-28 | 上海交通大学 | Method for using numerically-controlled pipe bender to process heating constant temperature bending pipe |
| CN201598231U (en) * | 2009-12-20 | 2010-10-06 | 浙江山蒲照明电器有限公司 | Light tube heating device of an annular light tube bending machine |
| CN102875012A (en) * | 2012-10-10 | 2013-01-16 | 临安钱氏照明电器有限公司 | Energy-saving type improved method for heating apparatus of disc automatic pipebender |
| CN104098256A (en) * | 2013-04-02 | 2014-10-15 | 江苏省勇仕照明有限公司 | Heating device for lamp tube bending machine |
| CN105522021A (en) * | 2016-01-29 | 2016-04-27 | 张家港兴宇机械制造有限公司 | Double-headed pipe bending machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107159759A (en) | 2017-09-15 |
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