CN105562455B - A kind of one of pressure rolling of convergent belt bare copper flat wire, finishing, annealing process and equipment - Google Patents
A kind of one of pressure rolling of convergent belt bare copper flat wire, finishing, annealing process and equipment Download PDFInfo
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- CN105562455B CN105562455B CN201610096218.0A CN201610096218A CN105562455B CN 105562455 B CN105562455 B CN 105562455B CN 201610096218 A CN201610096218 A CN 201610096218A CN 105562455 B CN105562455 B CN 105562455B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
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Abstract
The invention discloses a kind of one of pressure rolling of convergent belt bare copper flat wire, finishing, annealing process, include the following steps, one of pressure rolling, trimming die, compression, conduction, annealing steps；The technique only needs pressure rolling coordination of processes trimming die together by one of pressure rolling, trimming die, compression, conduction, annealing steps, you can completes convergent belt pressure rolling processing, and surface Glabrous pierces, quality is significantly improved.
Description
Technical field
The present invention relates to metal processing sectors, especially for the pressure rolling of convergent belt bare copper flat wire, finishing, annealing process and
Its equipment.
Background technology
Convergent belt is a kind of welding, generally as exposed conductive component, on insulant, collects electricity from power supply
Stream, then electric current is dispensed to output feeder, for be connected with each other the cell piece being cascaded each before, it is usually applied to
In photovoltaic industry.General convergent belt is process for naked copper material, and common production technology is round tetra- pressure rolling processes of copper material Xian Jing
Molding, re-annealing are softened.In practice, it has been found that common production technology has following shortcoming：1) every one of pressure rolling work
Sequence respectively needs a main motor, causes energy consumption excessively high；2) it in the production of four pressing and rolling process, is advised in starting up speed and busbar
In the case of lattice are constant, the tension counterweight before and after the calendering of Simultaneous Stabilization four is also needed, and to match first, second, third and fourth in order
Deviation before and after road pressure rolling between tension counterweight can just stably produce a kind of specification copper strips, four pressing and rolling process control points
It is more, once wherein counterweight deviation changes between one of pressure rolling tension counterweight or Dao Yu roads, the copper strips rule produced
Lattice will change.It, can be under four certain pressure rolling tension counterweight states for example, same round wires specification Ф 3.4mm
Pressure rolling copper band specification is width 8X thickness 0.3mm；But once the tension counterweight in four pressure rollings varies slightly, the copper strips that pressure rolling goes out
Specification is possible to big, the Huo Zhe little thicker 0.3mm than wide 8X.3) sectional area after tetra- pressur rolling formings of wire rod Jing Gong, with respect to
The circle copper material sectional area deviation started together before pressure rolling is larger；4) after four pressure rollings the width direction both sides of flat wire if any depositing
In burr, then directly softened by direct current annealing, two burrs can not still remove；5) product size after four pressure rollings
Precision is unstable, and thickness fluctuation range is ± 0.005mm, width dimensions fluctuation range ± 0.05mm.Referring for example to patent
Number it is 201310297693.0《A kind of manufacturing technology of copper strip for photovoltaic solar device》, it is mentioned that repeatedly pressure rolling, annealing with
Obtain soft state finished product copper strips, complex steps.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of one of pressure rolling of convergent belt bare copper flat wire, finishing, annealing
Processes and apparatus.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of one of pressure rolling of convergent belt bare copper flat wire, finishing, annealing process, it is characterised in that include the following steps：
1) one of pressure rolling, copper material carry out disposable pressure rolling by rolling module and are processed into flat wire；
2) trimming die, copper material pass through the finishing mold with finishing hole, coordinate the drawing of driving wheel, by copper material width direction
Side burrL strikes off, and copper material both sides finishing Glabrous thorn is smooth by the copper material thickness direction two sides finishing for being pressed into flat wire simultaneously
It is smooth；
3) it compresses, copper material compresses compacting by traction wheel apparatus；
4) conductive, copper material passes through anode annealing wheel, annealing chamber and the cathode annealing wheel of electrification；
5) it anneals, copper material passes through annealing water tank, drying module to complete annealing steps.
As a preference, copper material passes through finishing mold and infiltrates and completes to draw in wire drawing coolant in the step 2)
Pull out process.
A kind of convergent belt bare copper flat wire process equipment from left to right includes rolling module, annealing chamber, annealing water tank successively
With drying module, repair module and traction wheel apparatus are provided between the rolling module and annealing chamber, wherein the restriking dies
Block includes finishing mold, and the middle of the repair module is provided with mold mounting hole, and the both ends of the annealing chamber are set respectively
There are anode annealing wheel and cathode annealing wheel.
As a preference, the repair module includes cooling spray, finishing diaphragm capsule, the finishing mold and cooling
Nozzle is located in finishing diaphragm capsule.
As a preference, the output terminal of the finishing diaphragm capsule is provided with blow-dry device, the side of the blow-dry device
Air inlet is provided with, the equipped at outlet port of the blow-dry device is provided with plug mouth.
As a preference, the traction wheel apparatus include the wide wheel of traction, with the wide pinch roller be close to and more of taking turns of traction
Slot branching wheel, the pinch roller are connected with pinch roller telescoping cylinder.
As a preference, the output of the rolling module is provided with laser diameter measuring instrument and thickness measuring guide wheel group
Caliper regulating mechanism.
As a preference, there are two the pressure rolling outlets of horizontal distribution for setting between the rolling module and repair module
Guide wheel, the pressure rolling outlet guide wheel lower section are provided with the adjustable pressure rolling outlet loosening and tightening wheel in position, the pressure rolling outlet guide wheel connection
There is lifting polished rod, there are two the trimmed lines of vertical distribution by setting at repair module side for the top of pressure rolling outlet guide wheel
Guide wheel
As a preference, be provided between the traction wheel apparatus and annealing chamber line up three of triangular shape it is annealed
Wire carrier, wherein being connected with annealed line regulating mechanism by the annealed wire carrier at rolling module side.
As a preference, overflow area and wire drawing coolant storage area are disposed in the finishing diaphragm capsule, it is described
The output of mold mounting hole is provided with drying return water box (59).
The beneficial effects of the invention are as follows：The technique is by one of pressure rolling, trimming die, compression, conduction, annealing steps, only
Need pressure rolling coordination of processes trimming die together, you can complete convergent belt pressure rolling processing, and surface Glabrous pierces, quality has
It is apparent to improve.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the present invention；
Fig. 2 is the structural exploded view of rolling module part in the present invention.
Specific embodiment
A kind of one of pressure rolling of convergent belt bare copper flat wire, finishing, annealing process, include the following steps：
1) one of pressure rolling, copper material 11 carry out disposable pressure rolling by rolling module 1 and are processed into flat wire；
2) trimming die, copper material 11 pass through the finishing mold with finishing hole, coordinate the drawing of driving wheel, by 11 width of copper material
Direction Side burrL strikes off, the 11 thickness direction two sides of copper material that finishing Glabrous thorn in 11 both sides of copper material will be pressed into flat wire simultaneously
It modifies smooth；
3) it compresses, copper material 11 compresses compacting by traction wheel apparatus；
4) conductive, copper material 11 passes through anode annealing wheel 21, annealing chamber 2 and the cathode annealing wheel 22 of electrification；
5) it anneals, copper material 11 passes through annealing water tank 3, drying module 4 to complete annealing steps.
Finishing mold is passed through as preference, in the step 2 and is infiltrated and completes drawing procedure in wire drawing coolant.Just
Copper wheel can be used in pole annealing wheel 21 and cathode annealing wheel 22, and the purpose for importing electric current is to make to move back with anode annealing wheel 21, cathode
The electrification fever of copper materials 11 of 22 contact of fire wheel, own temperature reach sufficient temp, such as recrystallization annealing occurs for 500 DEG C of whens.
It is with reference to the accompanying drawings and embodiments, right in order to which the object, technical solution and advantage for making the application are more clearly understood
The present invention is further elaborated.For the thorough explanation present invention, some certain details can be related in following description
Section.And in these specific details, of the invention then can may still realize, i.e., technical staff's use in fields is herein
These descriptions and the others skilled in the art that state into fields effectively introduce their work essence.In addition it needs
Bright, word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to the direction in attached drawing,
Word " interior " and " outer " are referred respectively to towards or away from the direction of particular elements geometric center, and related technical personnel are to above-mentioned
Direction make it is simple, do not need to creative adjustment and should not be construed as technology other than the application protection domain.It should be appreciated that herein
Described specific embodiment is only used to explain the application, is not used to limit real protection scope.And it is to avoid confusion this
The purpose of invention due to well known copper material, has cut the technologies such as material it will be understood that therefore they are not described in detail.Ginseng
According to Fig. 1, Fig. 2, a kind of convergent belt bare copper flat wire process equipment from left to right includes rolling module 1, annealing chamber 2, annealing successively
Water tank 3 and drying module 4, repair module 5 and traction wheel apparatus 6 are provided between the rolling module 1 and annealing chamber 2, wherein
The repair module 5 includes finishing mold, and the middle of the repair module 5 is provided with mold mounting hole 52, the annealing chamber 2
Both ends be respectively arranged with anode annealing wheel 21 and cathode annealing wheel 22.Rolling module 1 is used to disposably press copper material 11
It rolls and is processed into flat wire.The copper material 11 for being pressed into flat wire passes through the finishing mold of repair module 5, by modifying the finishing hole of mold copper
The burr on 11 surface of material strikes off and modifies smooth.The finishing mold of repair module 5 is a replaceable, independent mold, is
It is customized according to specific flat wire specification, it is tightly attached in mold mounting hole 52 and works.Copper material 11 by finishing trimming die it
Afterwards, direct current is imported by the copper wheel of contact positive and negative electrode, cooperation annealing water tank 3 realizes online annealing, reaches and eliminate the production of pressure rolling process
The purpose of raw internal stress.Module 4 is dried up to dry up the coolant on 11 surface of copper material.
Other embodiment, with reference to a kind of convergent belt bare copper flat wire process equipment of Fig. 1, Fig. 2, wherein referred to herein
" embodiment " refers to may be included in a particular feature, structure, or characteristic at least one realization method of the application.In this specification
" in the embodiment " that middle different places occur not refers both to same embodiment, nor individual or selective with other realities
Apply the mutually exclusive embodiment of example.Embodiment includes from left to right having rolling module 1, annealing chamber 2, annealing water tank 3 successively and blow
Dry module 4, is provided with repair module 5 and traction wheel apparatus 6, wherein the restriking dies between the rolling module 1 and annealing chamber 2
Block 5 includes finishing mold, and the middle of the repair module 5 is provided with mold mounting hole 52, the both ends difference of the annealing chamber 2
It is provided with anode annealing wheel 21 and cathode annealing wheel 22.The repair module 5 includes cooling spray, finishing diaphragm capsule 53, described
It modifies mold and cooling spray is located in finishing diaphragm capsule 53, equipped with wire drawing coolant nozzle in finishing diaphragm capsule 53, be responsible for toward finishing
Mold sprays coolant, plays the role of cooling cleaning flat wire surface.The output terminal of the finishing diaphragm capsule 53 is provided with blow-dry device
54, the side of the blow-dry device 54 is provided with air inlet 55, and the equipped at outlet port of the blow-dry device 54 is provided with plug mouth 56, when
When compressed gas enters 54 inside of blow-dry device, gas only can blow to inlet along the tip direction of plug mouth 56, thus
Inlet forms the effect of air knife, the wire drawing coolant of 11 remained on surface of copper material can be blown off, that is, play the role of drainage, protects
Card coolant is dried in time, ensures subsequent annealing effect.Overflow area 57 is disposed in the finishing diaphragm capsule 53 and is drawn
Silk coolant storage area 58, the output of the mold mounting hole 52 are provided with drying return water box 59.In dressing process, draw
Silk coolant overflows to overflow area 57, then be back to water tank from the pipeline below overflow area 57 from wire drawing coolant storage area 58,
After wire drawing coolant is back to water tank, and wire drawing coolant storage area 58 is extracted by water pump, by water pump to be extracted into wire drawing cold when liquid
But liquid storage area 58 fills up and keeps highest liquid level, and the liquid being higher by will overflow to overflow area 57.Wire drawing coolant storage area
58 when wire drawing liquid fills up, and copper material 11 is made to have enough coolants to be cooled down always during being drawn.Wire drawing coolant
Pipeline is arranged below in storage area 58, when needing to clean wire drawing coolant storage area 58, can open valve, make liquid
It is discharged at the pipeline below wire drawing coolant storage area 58.Copper material 11 is modified by the drawing of wire drawing coolant storage area 58
Process comes out, and the blow-dry device 54 for running past exit dries up, and the wire drawing liquid of copper material remained on surface is blown to drying return water box
59, and pass through the pipeline dried up below return water box 59 and be back to water tank.This design can keep wire drawing coolant sufficient and can
Recycling cycle.
Other embodiment with reference to a kind of convergent belt bare copper flat wire process equipment of Fig. 1, Fig. 2, from left to right includes successively
There are rolling module 1, annealing chamber 2, annealing water tank 3 and drying module 4, finishing is provided between the rolling module 1 and annealing chamber 2
Module 5 and traction wheel apparatus 6, wherein the repair module 5 includes finishing mold, the middle of the repair module 5 is provided with
Mold mounting hole 52, the both ends of the annealing chamber 2 are respectively arranged with anode annealing wheel 21 and cathode annealing wheel 22.The traction wheel
Device 6 includes the wide wheel 61 of traction, the pinch rollers 62 being close to the wide wheel 61 of traction and multiple-grooved branching wheel 63, the pinch roller 62 and is connected with
Pinch roller telescoping cylinder 64, wherein pinch roller telescoping cylinder 64 can control pinch roller 62 flexible and then make 6 pressing force of traction wheel apparatus adjustable.Institute
It states and three annealed wire carriers 9 for lining up triangular shape is provided between traction wheel apparatus 6 and annealing chamber 2, wherein by rolling module 1
Annealed wire carrier 9 at side is connected with annealed line regulating mechanism 91, plays the effect for tensing copper material 11.In addition, annealing
The length that copper material 11 between anode annealing wheel 21 and the wide wheel 61 of traction is adjusted in line regulating mechanism 91 is crossed, because this section of copper material 11 has
Electric current passes through, and has certain temperature, but temperature cannot be too high, otherwise can surface oxidation.If there is oxidative phenomena it is necessary to passing through
The length of copper material 11 between long anode annealing wheel 21 and the wide wheel 61 of traction is adjusted, ensures that it is not aoxidized.
Other embodiment with reference to a kind of convergent belt bare copper flat wire process equipment of Fig. 1, Fig. 2, from left to right includes successively
There are rolling module 1, annealing chamber 2, annealing water tank 3 and drying module 4, finishing is provided between the rolling module 1 and annealing chamber 2
Module 5 and traction wheel apparatus 6, wherein the repair module 5 includes finishing mold, the middle of the repair module 5 is provided with
Mold mounting hole 52, the both ends of the annealing chamber 2 are respectively arranged with anode annealing wheel 21 and cathode annealing wheel 22.The pressure rolling mould
The output of block 1 is provided with the caliper regulating mechanism 7 with laser diameter measuring instrument 71 and thickness measuring guide wheel group 72, thickness measuring guide wheel group 72
The effect to 11 tension of copper material can be played.The left and right thickness measuring guide wheel group 72 of rolling module 1 assists 1 pressure rolling of rolling module work, just
It can make sectional area of the copper material 11 after one of pressur rolling forming of rolling module 1, with respect to the circle copper material sectional area deviation before pressure rolling
It is small.Laser diameter measuring instrument 71 is then pressed into 11 width of copper material of flat wire to be further ensured that pressure rolling effect for on-line checking.The pressure
Rolling setting between module 1 and repair module 5, there are two the pressure rolling outlet guide wheel 8 of horizontal distribution, 8 lower sections of pressure rolling outlet guide wheel
The adjustable pressure rolling outlet loosening and tightening wheel 81 in position is provided with, pressure rolling outlet guide wheel 8 is connected with lifting polished rod 82, and the pressure rolling goes out
The top of mouth guide wheel 8, there are two the trimmed wire carrier 83 of vertical distribution, coordinates rolling module by setting at 5 side of repair module
1 tenses copper material 11.
According to above-mentioned principle, the present invention can also carry out the above embodiment appropriate change and modification.Therefore, this hair
It is bright to be not limited to specific embodiment disclosed and described above, some modifications and changes of the present invention should also be as to fall into this
In the scope of the claims of invention.
Claims (8)
1. a kind of one of pressure rolling of convergent belt bare copper flat wire, finishing, annealing process, the technique are added by a kind of convergent belt bare copper flat wire
Construction equipment is completed, and process equipment from left to right includes rolling module (1), annealing chamber (2), annealing water tank (3) and drying successively
Module (4) is provided with repair module (5) and traction wheel apparatus (6), wherein institute between the rolling module (1) and annealing chamber (2)
It states repair module (5) and includes finishing mold, the middle of the repair module (5) is provided with mold mounting hole (52), described to move back
The both ends of fiery room (2) are respectively arranged with anode annealing wheel (21) and cathode annealing wheel (22), and the repair module (5) includes cold
But nozzle, finishing diaphragm capsule (53), the finishing mold and cooling spray are located in finishing diaphragm capsule (53), it is characterised in that including with
Lower step：
1) one of pressure rolling, copper material (11) carry out disposable pressure rolling by rolling module (1) and are processed into flat wire；
2) trimming die, copper material (11) coordinate the drawing of driving wheel across the finishing mold with finishing hole, and copper material (11) is across repairing
Reshaping die and infiltrate complete drawing procedure in wire drawing coolant, copper material (11) width direction Side burrL is struck off, copper material
Both sides finishing Glabrous thorn is smooth by copper material (11) the thickness direction two sides finishing for being pressed into flat wire simultaneously；
3) it compresses, copper material (11) is compressed by traction wheel apparatus and is compacted；
4) conductive, copper material (11) is across the anode annealing wheel (21) of electrification, annealing chamber (2) and cathode annealing wheel (22)；
5) it anneals, copper material (11) completes annealing steps across annealing water tank (3), drying module (4).
2. a kind of convergent belt bare copper flat wire process equipment from left to right includes rolling module (1), annealing chamber (2), annealing successively
Water tank (3) and drying module (4), it is characterised in that：Repair module is provided between the rolling module (1) and annealing chamber (2)
(5) and traction wheel apparatus (6), wherein the repair module (5) includes finishing mold, the middle of the repair module (5)
Mold mounting hole (52) is provided with, the both ends of the annealing chamber (2) are respectively arranged with anode annealing wheel (21) and cathode annealing wheel
(22), the repair module (5) includes cooling spray, finishing diaphragm capsule (53), and the finishing mold and cooling spray, which are located at, to be repaiied
In mould preparation box (53).
3. a kind of convergent belt bare copper flat wire process equipment according to claim 2, it is characterised in that：The finishing diaphragm capsule
(53) output terminal is provided with blow-dry device (54), and the side of the blow-dry device (54) is provided with air inlet (55), the drying
The equipped at outlet port of device (54) is provided with plug mouth (56).
4. a kind of convergent belt bare copper flat wire process equipment according to claim 2, it is characterised in that：The traction wheel apparatus
(6) include the wide wheel (61) of traction, the pinch roller (62) being close to the wide wheel (61) of traction and multiple-grooved branching wheel (63), the pinch roller
(62) it is connected with pinch roller telescoping cylinder (64).
5. a kind of convergent belt bare copper flat wire process equipment according to claim 2, it is characterised in that：The rolling module
(1) output is provided with the caliper regulating mechanism (7) with laser diameter measuring instrument (71) and thickness measuring guide wheel group (72).
6. a kind of convergent belt bare copper flat wire process equipment according to claim 2, it is characterised in that：The rolling module
(1) pressure rolling of horizontal distribution exports guide wheel (8) there are two settings between repair module (5), and the pressure rolling is exported under guide wheel (8)
Side is provided with the adjustable pressure rolling outlet loosening and tightening wheel (81) in position, and the pressure rolling outlet guide wheel (8) is connected with lifting polished rod (82), institute
The top of pressure rolling outlet guide wheel (8) is stated by setting the trimmed wire carrier there are two vertical distribution at repair module (5) side
(83)
7. a kind of convergent belt bare copper flat wire process equipment according to claim 2, it is characterised in that：The traction wheel apparatus
(6) three annealed wire carriers (9) for lining up triangular shape are provided between annealing chamber (2), wherein by rolling module (1) side
The annealed wire carrier (9) at place is connected with annealed line regulating mechanism (91).
8. a kind of convergent belt bare copper flat wire process equipment according to claim 3, it is characterised in that：The finishing diaphragm capsule
(53) overflow area (57) and wire drawing coolant storage area (58), the output of the mold mounting hole (52) are disposed in
It is provided with drying return water box (59).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096218.0A CN105562455B (en) | 2016-02-22 | 2016-02-22 | A kind of one of pressure rolling of convergent belt bare copper flat wire, finishing, annealing process and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610096218.0A CN105562455B (en) | 2016-02-22 | 2016-02-22 | A kind of one of pressure rolling of convergent belt bare copper flat wire, finishing, annealing process and equipment |
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| CN105562455A CN105562455A (en) | 2016-05-11 |
| CN105562455B true CN105562455B (en) | 2018-06-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180182B (en) * | 2016-08-29 | 2017-12-08 | 江苏优轧机械有限公司 | A kind of convergent belt rolling equipment |
| CN108213105B (en) * | 2016-12-21 | 2019-12-10 | 绍兴锐创金属材料有限公司 | production line production process of special copper flat belt for photovoltaic solder strip bus bar |
| CN111203452B (en) * | 2020-01-21 | 2021-12-17 | 西安理工大学 | Novel photovoltaic solder strip preparation device and preparation method thereof |
| CN114226480B (en) * | 2021-11-27 | 2023-10-24 | 杭州普天乐电缆有限公司 | Wire drawing machine for cable copper wires |
| CN116587490A (en) * | 2023-07-18 | 2023-08-15 | 常州恒丰特导股份有限公司 | Clamping mechanism for flat wire production and clamping method thereof |
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| CN205551119U (en) * | 2016-02-22 | 2016-09-07 | 深圳市科谱森精密技术有限公司 | Converge and take naked flat copper wire processing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH1161276A (en) * | 1997-08-11 | 1999-03-05 | Chugai Ro Co Ltd | Vertical type continuous annealing furnace for metallic strip |
| KR100575145B1 (en) * | 2005-11-29 | 2006-04-28 | 주식회사 월드비씨 | Rolling mill for copper wire |
| CN201376190Y (en) * | 2009-03-25 | 2010-01-06 | 芜湖楚江合金铜材有限公司 | Copper alloy flat wire forming equipment |
| CN102189148B (en) * | 2011-03-09 | 2012-10-03 | 张家港市棋瑞德机械制造有限公司 | Forming device for flat metal wire rod |
| CN102952936B (en) * | 2012-11-13 | 2014-04-02 | 深圳市科谱森精密机械有限公司 | Super-soft bare copper strip annealing system |
| CN105057347B (en) * | 2015-08-26 | 2017-05-03 | 江苏高和智能装备股份有限公司 | Intelligent embossing solder strip manufacturing unit |
| CN204926902U (en) * | 2015-09-12 | 2015-12-30 | 东莞市诚业机械科技有限公司 | Automatic rolling equipment of flexible flat cable flat type copper wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205551119U (en) * | 2016-02-22 | 2016-09-07 | 深圳市科谱森精密技术有限公司 | Converge and take naked flat copper wire processing equipment |
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