CN201270367Y - Hot-melting device for tinned copper conductor - Google Patents

Hot-melting device for tinned copper conductor Download PDF

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Publication number
CN201270367Y
CN201270367Y CNU2008201862975U CN200820186297U CN201270367Y CN 201270367 Y CN201270367 Y CN 201270367Y CN U2008201862975 U CNU2008201862975 U CN U2008201862975U CN 200820186297 U CN200820186297 U CN 200820186297U CN 201270367 Y CN201270367 Y CN 201270367Y
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China
Prior art keywords
bottom electrode
electrode
tin
partition
hot melting
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Expired - Lifetime
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CNU2008201862975U
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Chinese (zh)
Inventor
林海如
李志君
姜学丰
陈幼明
曹建洪
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SHANGHAI FEILO AUTOMOTIVE CONTROLLERS CO Ltd
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Suzhou Fl Dai Ichi Automotive Controllers Co ltd
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Abstract

The utility model discloses a tin-plated copper wire hot melt device, the device have with the corresponding processing appearance chamber of the predetermined processing shape of work piece, processing appearance chamber constitute by spacer and electrode, the electrode include with the fixed bottom electrode that sets up of device's base and relative the bottom electrode can open and shut the last electrode of setting, work as last electrode relative the bottom electrode when closed, last electrode, bottom electrode and the spacer form the closed shape on the extending direction of perpendicular to work piece. Compared with the prior art, the utility model have following advantage: the device realizes the hot welding process of the tinned copper wire, and has the advantages of simple structure, high processing precision and suitability for mass production.

Description

Tin-coated copper lead hot melting and connecting device
Technical field
The utility model relates to a kind of tin-coated copper lead hot melting and connecting device, belongs to the thermo forming field of zinc-plated soft copper lead.
Background technology
Will with diameter phi 0.16mm the circular inner wire formed of totally 28 tin-coated copper leads (referring to accompanying drawing 1, the sectional area of this inner wire is 0.5mm 2) be processed into the rectangle inner wire that the cross section is 0.6mm * 1mm (referring to accompanying drawing 2), rectangle inner wire after the welding will guarantee dimensional accuracy (required precision: W=0.6mm ± 0.08mm, H=1mm ± 0.1mm, the hole is less than 2, burr<0.1mm), and must guarantee tin coating fusing and welding mutually on each root copper cash in the tin-coated copper lead fusion process, but the copper cash fusing can not be melt into copper billet, be convenient on this conductor, carry out subsequent point and weld various electronic devices and components processing.Still there is not at present the thermal welding technology that a kind of hot melting and connecting device can satisfy the tin-coated copper lead well.
Summary of the invention
The utility model purpose is exactly the thermal welding isolated plant that a kind of tin-coated copper lead is provided in order to overcome the deficiencies in the prior art, its common zinc-plated soft copper bundle conductor that cross sectional shape is different (for example circular), be processed into the reservation shape (for example rectangle) of the mutual welding of conductor, realized its key technology: guarantee work piece consistency and the requirement of producing quality stability by batch, for the various electronic devices and components processing of spot welding on this conductor create conditions.
For achieving the above object, the technical solution adopted in the utility model is: a kind of tin-coated copper lead hot melting and connecting device, this device has and the corresponding processing cavity volume of the predetermined machining shape of work piece, described processing cavity volume is made up of partition and electrode, described electrode comprises the top electrode of the setting that the bottom electrode that fixedly installs with the base of this device and relative described bottom electrode can foldings, when the described relatively bottom electrode of described top electrode is closed, described top electrode, bottom electrode and described partition form on perpendicular to the bearing of trend of work piece close-shaped.
Described top electrode and described bottom electrode are oppositely arranged.
Described partition comprise the middle partition that fixedly installs with described bottom electrode and with the movable mutually side partition that is provided with of described bottom electrode, and this device also comprises and being used in the thermal welding process the locking device of described side partition with the bottom electrode applying.As a kind of more preferred mode, described hot melting and connecting device comprises symmetrically arranged two groups of described processing cavity volumes, the described middle partition of a slice that is plugged in described bottom electrode middle part is divided into two bottom electrodes corresponding with above-mentioned two processing cavity volumes with described bottom electrode and adds the Ministry of worker, two described side partitions are symmetricly set on the both sides of described bottom electrode, and described locking device is two covers that are symmetricly set on described bottom electrode both sides.
Described locking device comprises that the slide slide block away from described bottom electrode one side that is provided with and is located at described side partition, being used for of being connected with described top electrode of described relatively bottom electrode can promote the wedge that described slide block, side partition, bottom electrode are fitted successively when the relative described bottom electrode closure of described top electrode.
The material of described partition is an aluminium oxide ceramics.
Described top electrode and bottom electrode are tungsten electrode.
Also be provided with pad between described bottom electrode and the described base, the material of described pad is a brass.
Because technique scheme utilization, the utility model compared with prior art has following advantage: this device has been realized the thermal welding technology of tin-coated copper lead, and device has simple in structurely, and the machining accuracy height is suitable for the advantage of volume production.
Description of drawings
Fig. 1 is a shape before work piece (heart yearn) thermal welding;
Fig. 2 is a shape after work piece (heart yearn) thermal welding;
Fig. 3 is this tin-coated copper lead hot melting and connecting device stereogram, and wherein movable patrix is in closure state;
Fig. 4 is this tin-coated copper lead hot melting and connecting device front view, and wherein movable patrix is in open mode;
Fig. 5 is this device thermal welding procedure chart, and wherein movable patrix is in open mode;
Fig. 6 is this device thermal welding procedure chart, and wherein movable patrix is in closure state;
Wherein, 1, movable patrix, 2, die shank, 3, slide, 4, top electrode fastening block, 5, top electrode, 6, the side partition, 7, bottom electrode, 8, middle partition, 9, base, 10, insulated ring, 11, wedge, 12, work piece, 13, wedge block, 14, slide block, 15, pin, 16, lower module, 17, pad, 18, bottom plate.
Embodiment
[device explanation of the present utility model]:
Referring to Fig. 3, Fig. 4, the tin-coated copper lead hot melting and connecting device that the utility model is related is from top to bottom successively: movable patrix 1, the top electrode 5 of fixedlying connected with described movable patrix 1, the bottom electrode 7 that is oppositely arranged with described top electrode 5, the lower module 16 that fixedly installs with described bottom electrode 7, the base 9 that fixedly installs with described bottom electrode 7 and lower module 16, the bottom plate 18 that fixedly installs with described base 9.
The middle part of described bottom electrode 7 is fixedly plugged with partition 8 in a slice, partition 8 is divided into two bottom electrodes with bottom electrode 7 symmetries and adds the Ministry of worker in described, the both sides of described bottom electrode 7 are symmetrically arranged with a slice side partition 6 separately, described top electrode 5 also has and adds the corresponding top electrode of the Ministry of worker with described two bottom electrodes 7 and add the Ministry of worker, form two processing cavity volumes thus, each described processing cavity volume all is to be added by top electrode that the Ministry of worker, side partition 6, bottom electrode add the Ministry of worker, middle partition 8 surrounds.
Described top electrode 5 can be along with described relatively bottom electrode 7 foldings of described movable patrix 1, when work piece 12 is positioned at above-mentioned processing cavity volume and is about to begin thermal welding, top electrode 5 relative bottom electrode 7 closures, then process cavity volume form on perpendicular to the bearing of trend of work piece 12 close-shaped, the shape of work piece 12 is played effect of contraction, after work piece 12 is finished thermal welding, top electrode 5 relative bottom electrodes 7 are opened, then process cavity volume and form opening, make that work piece 12 can the demoulding.
The demoulding of work piece 12 for convenience, described side partition 6 and described bottom electrode 7 movable settings, and this tin-coated copper lead hot melting and connecting device also comprises and is used for the locking device of described side partition 6 and bottom electrode 7 being fitted in the thermal welding process.Described locking device comprises the slide block 14 away from described bottom electrode 7 one sides, the wedge 11 that is connected with described top electrode 5 that are slidingly arranged on the described lower module 16 and are positioned at described side partition 6, be fixedly installed on and be used for the wedge block 13 that the insertion of described wedge 11 play the guiding role when closed along with top electrode 5 when described wedge 11 on the described lower module 16.
Referring to Fig. 6, when the described relatively bottom electrode of described top electrode 57 is closed, described wedge 11 pushes against on described slide block 14, and the coupling mechanism force of wedge 11 promotes described slide block 14 close described side partitions 6 and pushes against on described side partition 6, and then make described side partition 6 push against on described bottom electrode 7, thereby make the processing cavity volume play strong restriction to the shape of work piece 12.
Referring to Fig. 5, when the described relatively bottom electrode 7 of described top electrode 5 is opened, described wedge 11 separates with described slide block 14, the coupling mechanism force of wedge 11 obtains discharging, be in loose relaxed state between described slide block 14, side partition 6, the bottom electrode 7, then work piece 12 during the demoulding, does not have any resistance from the processing cavity volume, can deviate from easily.
The material of described side partition 6, middle partition 8 is aluminium oxide ceramics, and it has high temperature resistant, high rigidity, wear-resistant, corrosion-resistant, low-expansion coefficient, high thermal conductivity and the good characteristics of chemically stable.Utilize these good characteristics of aluminium oxide ceramics, make its middle partition 8 and two side partition 6 in device as top electrode 5, bottom electrode 7, can guarantee the machining accuracy of work piece 12, in addition, the material heat-proof quality is good, process highly polishedly, can satisfy the high requirement of work piece precision, guaranteed the enforcement of producing in batches.
Described top electrode 5 and bottom electrode 7 are tungsten electrode, it has, and density is big, fusing point is high (reaching 3380 ℃), hardness is big, heat conduction, conduct electricity very well, excellent specific property such as heat-resisting, wear-resisting, corrosion-resistant, stable chemical performance.As a kind of resistance welding electrode material, its softening temperature has good electrical conductivity and resistance to wear up to 900 ℃, long service life, and can not produce electrode and work piece clings phenomenon.Facts have proved through producing in enormous quantities to use, the work piece steady quality, performance is good.
For prevent top electrode 5, bottom electrode 7 in edm because of the galvano-cautery effect, cause that base 9 corrodes rapidly, reduce the device precision, influence the work piece consistency, also be provided with pad 17 between described bottom electrode 7 and the described base 9, the material of described pad 17 is a brass.This pad 17 also makes this device be easy to control work piece 12 dimensional accuracies and is convenient to device maintenance, maintenance, makes this device can adapt to a large amount of needs of producing.
[operating process of the present utility model]:
This tin-coated copper lead hot melting and connecting device is installed on the special digital controlling resistance bonding machine, be used for the zinc-plated soft copper lead of various different sizes is carried out special requirement processing, because the hot melting and connecting device structure of advanced design, selected suitable electrode and heat-barrier material, this hot melting and connecting device energy is quick, high texture is finished lead heart yearn (work piece) processing tasks.
Before using this device, the resistance welder control system is set technological parameter on request, and connect vacuum compression pump tracheae and circulating cooling water pipe, begin operation then:
(a) at first, referring to Fig. 5, top electrode 5 relative bottom electrodes 7 are opened, be in relaxed state between slide block 14, side partition 6, the bottom electrode 7, on the bottom electrode 7 between side partition 6, the middle partition 8, put into the work piece with circular cross-section 12 as shown in Figure 1, connect the device power supply (DPS) switch, adjust warm-up time and preheat curent, top electrode 5 and bottom electrode 7 are carried out preheating;
(b) secondly, the tin coating fusion for the treatment of zinc-plated copper conductor is after beginning between adjacent two leads is inter-adhesive, make top electrode 5 relative bottom electrode 7 closures, wedge 11 promotes slide block 14 near side partition 6, and then make side partition 6 push against side at bottom electrode 7, work piece 12 is clamped by top electrode 5, middle partition 8, bottom electrode 7, side partition 6, referring to Fig. 6, then top electrode 5 and bottom electrode 7 are passed to predetermined electric current, adjust the pressure of processing environment, after stipulated time, work piece 12 has obtained rectangle cross section shown in Figure 2;
(c) top electrode 5 relative bottom electrodes 7 are opened, and wedge 11 leaves slide block 14, is in relaxed state again between slide block 14, side partition 6, the bottom electrode 7, with the work piece 12 unresisted demouldings.
In order to ensure the real adhesion of work piece, we have adopted above-mentioned two sections electric current weldings again on processing technology, make equipment divide two sections output currents, electric current (less) is earlier with the coating fusion for the first time, electric current just welds workpiece for the second time, guarantee that like this work piece welds, with the improvement of getting back of the adhesion phenomenon of electrode.
Through experiment, the conductor that this device processes has width, highly meets the requirements, and does not substantially have burr, does not have The advantage in cave.

Claims (8)

1, a kind of tin-coated copper lead hot melting and connecting device, it is characterized in that: this device has the corresponding processing cavity volume of predetermined machining shape with work piece (12), described processing cavity volume is made up of partition and electrode, described electrode comprises the top electrode (5) of the setting that the bottom electrode (7) that fixedly installs with the base (9) of this device and relative described bottom electrode (7) can foldings, when the described relatively bottom electrode of described top electrode (5) (7) is closed, described top electrode (5), bottom electrode (7) and described partition form on perpendicular to the bearing of trend of work piece (12) close-shaped.
2, tin-coated copper lead hot melting and connecting device according to claim 1 is characterized in that: described top electrode (5) is oppositely arranged with described bottom electrode (7).
3, tin-coated copper lead hot melting and connecting device according to claim 1, it is characterized in that: described partition comprise the middle partition (8) that fixedly installs with described bottom electrode (7) and with the movable mutually side partition (6) that is provided with of described bottom electrode (7), and this device also comprises and is used for the locking device of described side partition (6) and bottom electrode (7) being fitted in the thermal welding process.
4, tin-coated copper lead hot melting and connecting device according to claim 3, it is characterized in that: described hot melting and connecting device comprises symmetrically arranged two groups of described processing cavity volumes, the described middle partition (8) of a slice that is plugged in described bottom electrode (7) middle part is divided into two bottom electrodes corresponding with above-mentioned two processing cavity volumes with described bottom electrode (7) and adds the Ministry of worker, two described side partitions (6) are symmetricly set on the both sides of described bottom electrode (7), and described locking device is for being symmetricly set on two covers of described bottom electrode (7) both sides.
5, according to claim 3 or 4 described tin-coated copper lead hot melting and connecting devices, it is characterized in that: described locking device comprises that described relatively bottom electrode (7) slide to be provided with and to be located at the slide block (14) away from described bottom electrode (7) one sides of described side partition (6), being used for of being connected with described top electrode (5) and can promote the wedge (11) that described slide block (14), side partition (6), bottom electrode (7) are fitted successively when the relative described bottom electrode of described top electrode (5) (7) closure.
6, tin-coated copper lead hot melting and connecting device according to claim 1, it is characterized in that: the material of described partition is an aluminium oxide ceramics.
7, tin-coated copper lead hot melting and connecting device according to claim 1 is characterized in that: described top electrode (5) and bottom electrode (7) are tungsten electrode.
8, tin-coated copper lead hot melting and connecting device according to claim 1 is characterized in that: also be provided with pad (17) between described bottom electrode (7) and the described base (9), the material of described pad (17) is a brass.
CNU2008201862975U 2008-10-16 2008-10-16 Hot-melting device for tinned copper conductor Expired - Lifetime CN201270367Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201862975U CN201270367Y (en) 2008-10-16 2008-10-16 Hot-melting device for tinned copper conductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201862975U CN201270367Y (en) 2008-10-16 2008-10-16 Hot-melting device for tinned copper conductor

Publications (1)

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CN201270367Y true CN201270367Y (en) 2009-07-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107946861A (en) * 2017-11-27 2018-04-20 广东华士科技股份有限公司 Copper wire welding shear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107946861A (en) * 2017-11-27 2018-04-20 广东华士科技股份有限公司 Copper wire welding shear

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHANGHAI FEI LE VEHICLE CONTROL SYSTEM CO., LTD.

Free format text: FORMER OWNER: SUZHOU FEILE VEHICLE CONTROL SYSTEM CO., LTD.

Effective date: 20090904

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20090904

Address after: Shanghai Jiading District Huangdu Industrial Park Xie Road No. 1288, zip code: 201804

Co-patentee after: Feile Co., Ltd., Shanghai

Patentee after: Shanghai flicer Auto Control System Co., Ltd.

Co-patentee after: Suzhou FL Dai-ichi Automotive Controllers Co., Ltd.

Address before: No. 217, Jiangsu, FenHu road Wujiang postcode: 215211

Patentee before: Suzhou FL Dai-ichi Automotive Controllers Co., Ltd.

ASS Succession or assignment of patent right

Owner name: FEILE CO., LTD., SHANGHAI

Free format text: FORMER OWNER: FEILE CO., LTD., SHANGHAI SUZHOU FL DAI-ICHI AUTOMOTIVE CONTROLLERS CO., LTD.

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 201804 NO.1288, XIECHUN ROAD, HUANGDU INDUSTRIAL PARK, JIADING DISTRICT, SHANGHAI TO: 201401 ZHANFA ROAD, FENGXIAN DISTRICT, SHANGHAI

TR01 Transfer of patent right

Effective date of registration: 20101116

Address after: 201401, Shanghai, Fengxian District Exhibition Road

Co-patentee after: Feile Co., Ltd., Shanghai

Patentee after: Shanghai Feilo Automotive Controllers Co., Ltd.

Address before: 201804 Shanghai city Jiading District Huangdu Industrial Park Road No. 1288 Xie

Co-patentee before: Feile Co., Ltd., Shanghai

Patentee before: Shanghai Feilo Automotive Controllers Co., Ltd.

Co-patentee before: Suzhou FL Dai-ichi Automotive Controllers Co., Ltd.

C56 Change in the name or address of the patentee
CP02 Change in the address of a patent holder

Address after: 201401 No. 389, FA FA Road, Shanghai, Fengxian District

Co-patentee after: Feile Co., Ltd., Shanghai

Patentee after: Shanghai Feilo Automotive Controllers Co., Ltd.

Address before: 201401, Shanghai, Fengxian District Exhibition Road

Co-patentee before: Feile Co., Ltd., Shanghai

Patentee before: Shanghai Feilo Automotive Controllers Co., Ltd.

ASS Succession or assignment of patent right

Free format text: FORMER OWNER: FEILE CO., LTD., SHANGHAI

Effective date: 20130621

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130621

Address after: 201401 No. 389, FA FA Road, Shanghai, Fengxian District

Patentee after: Shanghai Feilo Automotive Controllers Co., Ltd.

Address before: 201401 No. 389, FA FA Road, Shanghai, Fengxian District

Patentee before: Shanghai Feilo Automotive Controllers Co., Ltd.

Patentee before: Feile Co., Ltd., Shanghai

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20090708