CN107999590B - Forming device and forming method for guide cable roller - Google Patents
Forming device and forming method for guide cable roller Download PDFInfo
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- CN107999590B CN107999590B CN201711172695.1A CN201711172695A CN107999590B CN 107999590 B CN107999590 B CN 107999590B CN 201711172695 A CN201711172695 A CN 201711172695A CN 107999590 B CN107999590 B CN 107999590B
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
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Abstract
The invention discloses a guide cable roller forming device which comprises a heating device, a conveying device and a press, wherein the heating device heats round seamless steel pipes, the round seamless steel pipes are conveyed into the press through the conveying device, the press comprises a lower-layer working platform, a middle-layer working platform and an upper-layer working platform, the upper-layer working platform is connected with the lower-layer working platform through a stand column, the middle-layer working platform is connected with the upper-layer working platform through a hydraulic cylinder, the middle-layer working platform is connected with the stand column through a bearing, a roller forming die is placed on the lower-layer working platform, and the round seamless steel pipes heated on the roller forming die are formed by pressing through the middle-layer working platform. According to the forming device for the guide cable roller, disclosed by the invention, the two ends of the round seamless steel pipe are heated respectively and then formed by the profiling, so that the working environment is improved greatly, the operation is simple as a whole set of forming system, and the production efficiency is high.
Description
Technical Field
The invention relates to a device and a method for forming a guide cable roller, and belongs to the technical field of product forming.
Background
A special piece for mooring when a mooring rope guiding roller type ship is stopped is positioned at the bow, the stern and the side of the ship. The existing cable guiding rollers are divided into three types according to the roller types: cast steel type guide cable roller, steel plate type guide cable roller and seamless steel pipe pressing type guide cable roller; the roller in the cast steel type cable guide roller is a steel casting, and has heavy weight and more materials and energy consumed in manufacturing.
The Chinese patent application publication 200720033192 discloses a steel plate type guide cable roller, wherein the roller material is simply made of steel plate, the weight of the roller is reduced by 60 percent compared with the roller made of cast steel, and the manufacturing consumption of materials and energy is less; however, the roller of the steel plate type cable guiding roller is formed by welding steel plates, and the accuracy and the strength of the roller are reduced due to welding deformation and stress caused by the welding.
The Chinese patent application publication CN201020230167.4 discloses a seamless steel pipe pressing type guide cable roller, wherein the roller is simply referred to as seamless steel pipe pressing forming, the precision and strength of the guide cable roller are improved, the service life is prolonged, but the equipment and the forming method required by the seamless steel pipe pressing forming are not referred to, and the production problem of the pressing guide cable roller is not solved. Therefore, in order to solve the production problem of the guide cable roller, a high-efficiency and convenient production device and a production method are needed to be found.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the forming device and the forming method for the guide cable roller, which are used for respectively heating the two ends of the round seamless steel pipe and then profiling to form, so that the working environment is clean and sanitary, and meanwhile, the operation is simple as a whole set of forming system, and the production efficiency is high.
The technical scheme is as follows: in order to solve the technical problems, the cable guiding roller forming device comprises a heating system conveying device and a press, wherein the heating device heats round seamless steel pipes, the round seamless steel pipes are conveyed into the press through the conveying device, the press comprises a lower-layer working platform, a middle-layer working platform and an upper-layer working platform, the upper-layer working platform is connected with the lower-layer working platform through a stand column, the middle-layer working platform is connected with the upper-layer working platform through a hydraulic cylinder, the middle-layer working platform is connected with the stand column through a bearing, a roller forming die is placed on the lower-layer working platform, and the round seamless steel pipes heated on the roller forming die are formed by pressing the middle-layer working platform.
Preferably, the heating device is a supersonic frequency heating device, comprising a supersonic frequency induction heating device and a heating support frame, wherein the supersonic frequency induction heating device comprises a supersonic frequency induction heating device body and a heating coil, the heating support frame comprises a vertical frame, a cylinder and a roller tray, the cylinder is arranged on the vertical frame and connected with the roller tray, a heating coil of the supersonic frequency induction heating device is arranged on the upper part of the vertical frame, the heating coil is connected with the supersonic frequency induction heating device body, a round seamless steel tube is placed on the roller tray, and the round seamless steel tube is lifted into the heating coil to be heated by the cylinder.
Preferably, the transporting device is a transfer robot.
Preferably, a plurality of first T-shaped grooves are formed in the upper surface of the lower-layer working platform.
Preferably, a plurality of second T-shaped grooves are formed in the lower surface of the middle-layer working platform.
A forming method of a cable guide roller forming device comprises the following steps:
The roller forming process is generally divided into three steps: the method comprises the steps of (a) semi-forming the small end of the roller, (b) fully forming the small end of the roller and (c) forming the large end of the roller.
The step (a) specifically comprises: the heating device, the conveying device, the press and the roller forming die are all ready,
Installing an initial shape-preserving die on the upper surface of a lower working platform of a press machine through T-shaped screws, and placing an annular die above the initial shape-preserving die;
(ii) placing the circular seamless steel tube on a roller tray of a heating support frame, and simultaneously passing through a heating coil, wherein a lifting cylinder adjusts the height of the circular seamless steel tube so that the coil surrounds the upper half part of the circular seamless steel tube; starting the ultrasonic induction heating equipment, heating the round seamless steel tube, stopping heating when the round seamless steel tube is heated to a preset temperature, and contracting the cylinder to separate the round seamless steel tube from the heating coil;
(iii) transporting the heated round seamless steel pipe by a transporting device, and placing the round seamless steel pipe inside the installed annular mold and the initial protecting mold;
(iv) placing the first small end forming die inside the round seamless steel pipe through a conveying device;
(v) starting the press, operating the hydraulic cylinder, pushing the middle layer working platform to descend until the middle layer working platform is in contact with the surface of the first small end forming die, continuing to descend a little, applying pretightening force to the first small end forming die, checking the inclination of the first small end forming die, leveling through re-placing if the inclination is obvious, continuously pushing the middle layer working platform to press the first small end forming die by the hydraulic cylinder if the inclination is not obvious, until the middle layer working platform is completely formed at the stage, keeping the pressure for a period of time after the forming, retracting the hydraulic cylinder to drive the middle layer working platform to ascend until the middle layer working platform is completely separated from the first small end forming die, taking down the first small end forming die through the conveying device, and entering the step (b).
Step (b) after repeating steps (i), (ii) and (iii) in step (a), placing a second small end forming die on the upper part of the roller subjected to step (a) by a conveying device; replacing the first small end forming die in the step (v) in the step (a) with a second small end forming die, repeating the step (v) until the small end of the roller is completely formed, respectively removing the second small end forming die, the initial shape-preserving die, the annular die and the semi-forming roller after forming, and entering the step (c);
Step (c) includes ① installing a small end protection die on the upper surface of a lower working platform of the press through T-shaped screws; ② Placing the small end of the semi-formed roller on a roller tray of a heating support frame, passing through a heating coil at the same time, and repeating the step (a) and the step (ii); ③ The transport device carries the heated semi-forming roller and places the semi-forming roller in the small-end protection die which is already installed; ④ Placing the large end forming die inside the semi-forming roller through a conveying device; ⑤ And (3) replacing the first small end forming die in the step (v) in the step (a) with a large end forming die, repeating the step (v) until the large end of the roller is fully formed, respectively removing the large end forming die, the small end forming die and the roller after forming, and forming the next new roller.
The beneficial effects are that: according to the forming device for the guide cable roller, through heating the two ends of the round seamless steel pipe respectively and then profiling, the working environment is greatly improved, and meanwhile, the forming device is used as a whole set of forming system, is simple to operate and has high production efficiency; in addition, the quality of the formed product is good, the defects of uneven outer surfaces of the traditional casting rollers and the defects of welding deformation and stress concentration of the steel plate type welding rollers are avoided, and the formed product is more attractive while the requirement on the forming quality is met.
Drawings
Fig. 1 is a schematic structural view of a roller forming apparatus.
Fig. 2 is a schematic view of the semi-forming structure of the small end of the roller.
Fig. 3 is a cross-sectional view of a roller tip half-form.
Fig. 4 is a schematic view of a fully formed structure of the small end of the roller.
Fig. 5 is a cross-sectional view of the roller tip fully formed.
Fig. 6 is a schematic structural view of the roller large end molding.
Fig. 7 is a cross-sectional view of the roller large end molding.
Fig. 8 is a schematic structural view of the roller after molding.
Fig. 9 is a cross-sectional view of the roller after molding.
In the figure, a 1-heating device, a 1.1-ultrasonic induction heating equipment, a 1.11-ultrasonic induction heating equipment body, a 1.12-heating coil, a 1.2-heating support frame, a 1.21-vertical frame, a 1.22-cylinder, a 1.23-roller tray, a 2-transfer robot, a 3-press, a 3.1-lower working platform, a 3.2-middle working platform, a 3.3-linear bearing, a 3.4-upright post, a 3.5-upper working platform, a 4-roller forming die, a 4.1-roller, a 4.2-initial shape-keeping die, a 4.3-annular die, a 4.4-first small end forming die, a 4.5-second small end forming die, a 4.6 small end shape-keeping die and a 4.7-large end forming die.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 9, the roller forming apparatus of the present invention includes: heating device 1, transfer robot 2, press 3 and gyro wheel forming die 4, transfer robot 2 is traditional transport goods manipulator. The heating device 1 is a supersonic frequency heating device, and comprises a supersonic frequency induction heating device 1.1 and a heating support frame 1.2, wherein the supersonic frequency induction heating device 1.1 is standard equipment, the supersonic frequency heating device comprises a supersonic frequency induction heating device body 1.11 and a heating coil 1.12, the heating support frame 1.2 comprises a vertical frame 1.21, a cylinder 1.22 and a roller tray 1.23, the vertical frame 1.21 is a welding part and is formed by welding steel plates and I-shaped steel plates respectively, the bottoms of the vertical frame are I-shaped, threaded holes are machined in the center of the vertical frame, two standing I-shaped steel plates are welded between the two standing I-shaped steel plates, and threaded holes are respectively machined in the two thin steel plates. The air cylinder 1.22 is a standard component and is arranged between the I-shaped center at the bottom of the vertical frame 1.21 and two thin steel plates and fixedly connected through screws. The roller tray 1.23 is a flat plate, and is provided with a threaded hole in the middle and connected with the cylinder rod. The heating coil 1.12 is a matching device of the ultrasonic induction heating equipment 1.1, is arranged on the upper half part of the vertical frame and is electrically connected with the ultrasonic induction heating equipment body 1.11.
In the invention, the press machine 3 is a traditional hydraulic drive large-tonnage press machine and is divided into an upper working platform, a middle working platform and a lower working platform, a T-shaped groove is formed in the upper surface of the lower working platform 3.1, a T-shaped groove is formed in the lower surface of the middle working platform 3.2, the upper working platform 3.5 and the lower working platform 3.1 are connected through four upright posts 3.3, the middle working platform 3.2 is connected with the four upright posts 3.4 in a matched manner through four linear bearings 3.3, a hydraulic cylinder 3.6 is arranged between the upper working platform 3.5 and the middle working platform 3.2, and the middle working platform 3.2 can be driven to move up and down through the expansion and the contraction of the hydraulic cylinder 3.6.
In the present invention, the roller forming mold 4 includes a roller 4.1, an initial protecting mold 4.2, an annular mold 4.3, a first small end forming mold 4.4, a second small end forming mold 4.5, a small end protecting mold 4.6 and a large end forming mold 4.7. The roller 4.1 is divided into several states, the initial state is a section of round seamless steel pipe, the final shape is dumbbell-shaped, the big end is open, the small end is folded, and different forming dies are respectively used from blanking to forming. The initial protection die 4.2 is in a cuboid shape, a round through hole is formed in the middle of the initial protection die, the round hole is slightly larger than the outer diameter of the roller blank, and a threaded hole is formed in the periphery of the round hole on the upper surface; the annular die 4.3 is annular, and a threaded hole is formed in the upper surface of the annular die; the first small end forming die 4.4 is in a stepped shaft shape, the shaft shoulder is in arc transition, the transition arc size and the shaft diameter size are matched with the actual required forming size of the roller 4.1, the die is hollow, and a threaded hole is formed in the end face of the large end of the die; the second small end forming die 4.5 is conical, the inside of the second small end forming die is provided with a stepped hole, the size of the large hole is matched with the actual required forming size of the roller 4.1, a handle is welded in the small hole, and a threaded hole is machined on the flange surface of the large end of the second small end forming die; the small-end shape-preserving mold 4.6 comprises two same small-end semi-preserving molds 4.61, the small-end shape-preserving molds 4.6 spliced by the small-end semi-preserving molds 4.61 are cuboid, the middle is provided with a hollow boss, the whole middle is provided with a circular through hole, the size of the circular hole is matched with the actual needed forming size of the roller 4.1, screw holes are formed around the circular hole on the upper surface, grooves are formed on two sides of the circular hole, two side lugs are welded on each small-end semi-preserving mold 4.61, threaded through holes are formed on each small-end semi-preserving mold, and the two small-end semi-preserving molds 4.61 are connected through screws; the big end forming die 4.7 is similar to the first small end forming die 4.4 in shape, and the specific size is matched with the actual needed forming size of the roller 4.1.
In the invention, the initial protection mould 4.2, the annular mould 4.3, the first small end forming mould 4.4, the second small end forming mould 4.5, the small end protection mould 4.6 and the large end forming mould 4.7 can be made into different specifications according to the sizes of different rollers 4.1.
The technical scheme adopted by the roller forming method is further described:
The roller forming process is generally divided into three steps: the method comprises the steps of (a) semi-forming the small end of the roller, (b) fully forming the small end of the roller and (c) forming the large end of the roller.
The step (a) specifically comprises: the heating device 1, the transfer robot 2, the press 3 and the roller forming mold 4 are all ready. Mounting an initial shape-retaining die 4.2 on the upper surface of a lower working platform 3.1 of a press machine 3 through T-shaped screws, and placing an annular die 4.3 above the initial shape-retaining die 4.2; (ii) placing the circular seamless steel tube on a roller tray 1.23 of a heating support frame 1.2 while passing through a heating coil 1.24, and adjusting the height of the circular seamless steel tube by a lifting cylinder 1.22 so that the coil surrounds the upper half of the circular seamless steel tube; starting the ultrasonic induction heating equipment 1.1, heating the round seamless steel tube, stopping heating when the round seamless steel tube is heated to a preset temperature, and contracting the air cylinder 1.22 to separate the round seamless steel tube from the heating coil 1.12; (iii) the transfer robot 2 transfers the heated round seamless steel pipe to be placed inside the installed annular mold 4.3 and the initial protection mold 4.2; (iv) placing the first small end forming die 4.4 inside the round seamless steel pipe by the transfer robot 2; (v) starting the press 3, operating the hydraulic cylinder 3.6, pushing the middle working platform 3.2 to descend until the middle working platform is in surface contact with the first small end forming die 4.4, continuing to descend a little by a middle working platform 3.2, applying pretightening force to the first small end forming die 4.4, checking the inclination of the first small end forming die 4.4, if the inclination is obvious, leveling through relocation, if the inclination is not obvious, continuously pushing the middle working platform 3.2 to press the first small end forming die 4.4 by the hydraulic cylinder 3.6 until the middle working platform is completely formed at the stage, keeping the pressure for a period of time after the forming, retracting the hydraulic cylinder 3.6, driving the middle working platform 3.2 to ascend until the middle working platform is completely separated from the first small end forming die 4.4, taking down the first small end forming die 4.4 through the transfer robot 2, and entering the step (b).
Step (b) is started on the basis of the steps (i), (ii) and (iii) in the step (a), and a second small-end forming die 4.5 is placed on the upper part of the roller 4.1 after the step (a) through a carrying robot 2; and (3) replacing the first small end forming die 4.4 in the step (v) in the step (a) with a second small end forming die 4.5, and repeating the step (v) until the full forming of the small end of the roller 4.1 is completed. After molding, the second small end molding die 4.5, the initial protecting die 4.2, the annular die 4.3 and the semi-molding roller 4.1 are all disassembled respectively, and the step (c) is carried out.
Step (c) comprises ①, installing a small end shape-retaining die 4.6 on the upper surface of a lower working platform 3.1 of the press through T-shaped screws; ② Placing the small end of the semi-forming roller 4.1 on a roller tray 1.23 of a heating support frame 1.2, simultaneously passing through a heating coil 1.24, and repeating the step (ii) in the step (a); ③ The carrying robot 2 carries the heated semi-forming roller 4.1 and places the semi-forming roller in the small-end conformal mold 4.6; ④ The large end forming die 4.7 is placed inside the semi-forming roller 4.1 through the carrying robot 2; ⑤ And (3) replacing the first small end forming die 4.4 in the step (v) in the step (a) with a large end forming die 4.7, and repeating the step (v) until the full forming of the large end of the roller 4.1 is completed.
After molding, the large end molding die 4.7, the small end molding die 4.6 and the roller 4.1 are all disassembled respectively, and the next new roller is molded.
Claims (2)
1. The utility model provides a cable guide gyro wheel forming device which characterized in that: the device comprises a heating device, a conveying device and a press, wherein the heating device heats round seamless steel pipes, the round seamless steel pipes are conveyed into the press through the conveying device, the press comprises a lower-layer working platform, a middle-layer working platform and an upper-layer working platform, the upper-layer working platform and the lower-layer working platform are connected through a stand column, the middle-layer working platform is connected with the upper-layer working platform through a hydraulic cylinder, the middle-layer working platform is connected with the stand column through a bearing, a roller forming die is placed on the lower-layer working platform, the roller forming die is used for hot press forming of the round seamless steel pipes after being heated on the roller forming die through the middle-layer working platform, the heating device is a super-audio heating device, the heating device comprises a super-audio induction heating device body and a heating coil, the heating support frame comprises a stand, a cylinder and a roller tray, the cylinder is mounted on the stand column, the cylinder is connected with the roller tray, the heating coil of the super-audio induction heating device is mounted on the upper part of the stand column, the round seamless steel pipes are placed on the roller tray, the round seamless steel pipes are placed into the upper-layer working platform through the cylinder, a plurality of first grooves are formed in the upper surface of the T-layer working platform, and a plurality of first grooves are formed in the upper surface of the T-layer working platform are formed in the upper surface;
the forming method of the cable guide roller forming device comprises the following steps:
The roller forming process is generally divided into three steps: the method comprises the steps of (a) semi-forming small ends of rollers, (b) fully forming small ends of rollers and (c) forming large ends of rollers;
the step (a) specifically comprises: the heating device, the conveying device, the press and the roller forming die are all ready,
Installing an initial shape-preserving die on the upper surface of a lower working platform of a press machine through T-shaped screws, and placing an annular die above the initial shape-preserving die;
(ii) placing the circular seamless steel tube on a roller tray of a heating support frame, and simultaneously passing through a heating coil, wherein a lifting cylinder adjusts the height of the circular seamless steel tube so that the coil surrounds the upper half part of the circular seamless steel tube; starting the ultrasonic induction heating equipment, heating the round seamless steel tube, stopping heating when the round seamless steel tube is heated to a preset temperature, and contracting the cylinder to separate the round seamless steel tube from the heating coil;
(iii) transporting the heated round seamless steel pipe by a transporting device, and placing the round seamless steel pipe inside the installed annular mold and the initial protecting mold;
(iv) placing the first small end forming die inside the round seamless steel pipe through a conveying device;
(v) starting a press, working a hydraulic cylinder, pushing a middle layer working platform to descend until the middle layer working platform is in contact with the surface of a first small end forming die, continuing to descend a little, applying a pretightening force to the first small end forming die, checking the inclination of the first small end forming die, leveling through relocation if the inclination is obvious, continuously pushing the middle layer working platform to press the first small end forming die by the hydraulic cylinder if the inclination is not obvious, keeping the pressure for a period of time after the forming is completed at the stage, retracting the hydraulic cylinder to drive the middle layer working platform to ascend until the middle layer working platform is completely separated from the first small end forming die, taking down the first small end forming die through a conveying device, and entering the step (b);
Step (b) after repeating steps (i), (ii) and (iii) in step (a), placing a second small end forming die on the upper part of the roller subjected to step (a) by a conveying device; replacing the first small end forming die in the step (v) in the step (a) with a second small end forming die, repeating the step (v) until the small end of the roller is completely formed, respectively removing the second small end forming die, the initial shape-preserving die, the annular die and the semi-forming roller after forming, and entering the step (c);
Step (c) includes ① installing a small end protection die on the upper surface of a lower working platform of the press through T-shaped screws; ② Placing the small end of the semi-formed roller on a roller tray of a heating support frame, passing through a heating coil at the same time, and repeating the step (a) and the step (ii); ③ The transport device carries the heated semi-forming roller and places the semi-forming roller in the small-end protection die which is already installed; ④ Placing the large end forming die inside the semi-forming roller through a conveying device; ⑤ And (3) replacing the first small end forming die in the step (v) in the step (a) with a large end forming die, repeating the step (v) until the large end of the roller is fully formed, respectively removing the large end forming die, the small end forming die and the roller after forming, and forming the next new roller.
2. A godet roller forming device according to claim 1, characterized in that: the conveying device is a transfer robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711172695.1A CN107999590B (en) | 2017-11-22 | 2017-11-22 | Forming device and forming method for guide cable roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711172695.1A CN107999590B (en) | 2017-11-22 | 2017-11-22 | Forming device and forming method for guide cable roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107999590A CN107999590A (en) | 2018-05-08 |
| CN107999590B true CN107999590B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711172695.1A Active CN107999590B (en) | 2017-11-22 | 2017-11-22 | Forming device and forming method for guide cable roller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1510353A (en) * | 1974-07-18 | 1978-05-10 | Pirelli | Presses for curing rubber articles |
| US4413496A (en) * | 1979-01-12 | 1983-11-08 | Diemer Donald J | Method of making flanged track tractor roller for off-highway equipment |
| CN1721097A (en) * | 2005-05-24 | 2006-01-18 | 刁义元 | Steel plate roller hot-pressing process |
| CN201002706Y (en) * | 2007-01-05 | 2008-01-09 | 江阴市黄山船舶配件有限公司 | Steel plate type guide rope roller |
| CN201694360U (en) * | 2010-06-21 | 2011-01-05 | 姜堰市中源船舶机械制造有限公司 | Guide cable roller pressed by adopting seamless steel pipes |
| WO2017167147A1 (en) * | 2016-03-28 | 2017-10-05 | 苏州普热斯勒先进成型技术有限公司 | Heating equipment for use in hot forming process, and hot forming production line |
| CN206644951U (en) * | 2017-04-12 | 2017-11-17 | 舟山永航船舶设计有限公司 | A kind of fairlead |
| CN207533747U (en) * | 2017-11-22 | 2018-06-26 | 江苏三科精工机械有限公司 | Fairlead molding machine |
-
2017
- 2017-11-22 CN CN201711172695.1A patent/CN107999590B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1510353A (en) * | 1974-07-18 | 1978-05-10 | Pirelli | Presses for curing rubber articles |
| US4413496A (en) * | 1979-01-12 | 1983-11-08 | Diemer Donald J | Method of making flanged track tractor roller for off-highway equipment |
| CN1721097A (en) * | 2005-05-24 | 2006-01-18 | 刁义元 | Steel plate roller hot-pressing process |
| CN201002706Y (en) * | 2007-01-05 | 2008-01-09 | 江阴市黄山船舶配件有限公司 | Steel plate type guide rope roller |
| CN201694360U (en) * | 2010-06-21 | 2011-01-05 | 姜堰市中源船舶机械制造有限公司 | Guide cable roller pressed by adopting seamless steel pipes |
| WO2017167147A1 (en) * | 2016-03-28 | 2017-10-05 | 苏州普热斯勒先进成型技术有限公司 | Heating equipment for use in hot forming process, and hot forming production line |
| CN206644951U (en) * | 2017-04-12 | 2017-11-17 | 舟山永航船舶设计有限公司 | A kind of fairlead |
| CN207533747U (en) * | 2017-11-22 | 2018-06-26 | 江苏三科精工机械有限公司 | Fairlead molding machine |
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| Publication number | Publication date |
|---|---|
| CN107999590A (en) | 2018-05-08 |
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