CN103240538A - Butt-welding terminal for wire harness connection and preparing method of butt-welding terminal - Google Patents

Butt-welding terminal for wire harness connection and preparing method of butt-welding terminal Download PDF

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Publication number
CN103240538A
CN103240538A CN2013100881921A CN201310088192A CN103240538A CN 103240538 A CN103240538 A CN 103240538A CN 2013100881921 A CN2013100881921 A CN 2013100881921A CN 201310088192 A CN201310088192 A CN 201310088192A CN 103240538 A CN103240538 A CN 103240538A
Authority
CN
China
Prior art keywords
terminal
wire harness
butt
copper sheet
butt welding
Prior art date
Application number
CN2013100881921A
Other languages
Chinese (zh)
Inventor
李世田
Original Assignee
上海术荣电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海术荣电子有限公司 filed Critical 上海术荣电子有限公司
Priority to CN2013100881921A priority Critical patent/CN103240538A/en
Publication of CN103240538A publication Critical patent/CN103240538A/en

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Abstract

The invention discloses a butt-welding terminal for wire harness connection and a preparing method of a butt-welding terminal. The butt-welding terminal comprises a copper sheet terminal, wherein the copper sheet terminal is connected with the tail end of a wire harness via a wire buckle, and a tin layer which is 0-5um in thickness is plated on the copper sheet terminal which is 0.18-0.22mm in thickness. Since the tin layer is directly plated on the copper sheet terminal and the thickness of the tin layer is controlled, a nickel base layer is omitted, the butt-joint terminal is enabled to be prone to welding, firmness of the butt-joint terminal connection is guaranteed, and welding efficiency and welding quality can be greatly improved.

Description

Be used for butt welding terminal of wire harness connection and preparation method thereof
Technical field
The present invention relates to a kind of solder terminal and preparation method thereof, relate in particular to a kind of butt welding terminal that connects for wire harness and preparation method thereof.
Background technology
Electric resistance welding is divided into following dissimilar according to the form difference of joint: the butt welding (being commonly called as butt-joint) when having spot welding (welding position is the point that certain diameter is arranged), seam weldering (be commonly called as roll welding, the welding position is wire) and cross section to be more or less the same.Spot welding and the seam weldering sheet member (shell workpiece) that are used for, butt-joint is used for excellent class workpiece (for example cutlery, building iron etc.) more more.
Butt-joint is that the high-temperature electric arc that utilizes positive and negative polarities to produce when instantaneous short circuit comes scolder and the materials to be welded on the consumable electrode, reaches the purpose that makes their combinations.The structure of electric welding machine is very simple, is exactly a powerful transformer in simple terms, and the 220V alternating current is become low-voltage, and the power supply of big electric current can be also can exchanging of direct current.On the relative chuck of work package, engage two ends and push against mutually, make a large amount of electric currents guide on the work package through chuck, produce high temperature by contact-making surface, metal imposes suitable pressure again and presses the two ends extruding is engaged in the mobile terminal when arriving plastic state.
But what the end of existing fast wiring connected employing is that electric wire and copper sheet directly weld (original welding), causes when manufacturing, and work difficulty is big, and efficient is low.Whenever do a product and need 7-9 second, per hour be 400-500.In addition, the molten point of the nickel of existing butt welding terminal is high, and electric current is worn not thoroughly during butt-joint, and it is not firm to cause butt-joint to connect easily, occurs coming off.
Summary of the invention
Technical problem to be solved by this invention provides a kind of butt welding terminal that connects for wire harness and preparation method thereof, is easy to welding and guarantees be connected firmly, and can improve welding efficiency greatly and improve welding quality.
The present invention solves the problems of the technologies described above the technical scheme that adopts to provide a kind of butt welding terminal for the wire harness connection, comprise the copper sheet terminal, wherein, described copper sheet terminal links to each other by the end of cableties and wire harness, be coated with the tin layer on the described copper sheet terminal, the thickness of described copper sheet terminal is 0.18~0.22mm, and the thickness of described tin layer is 0~5um.
Above-mentioned be used for the butt welding terminal that wire harness connects, wherein, described copper sheet terminal be shaped as circular ring type or U-shaped.
The above-mentioned butt welding terminal that is used for the wire harness connection, wherein, the material of described copper sheet terminal is phosphor bronze.
The present invention also provides a kind of above-mentioned preparation method who is used for the butt welding terminal that wire harness connects for solving the problems of the technologies described above, and wherein, comprising the steps: a) to select for use the copper strip is the terminal sheet material; B) adopt mist tin mode to electroplate after the electroplating bath pickling copper strip, the thickness of electrotinning layer is 0~5um; C) with sabot after the copper strip punch forming after zinc-plated.
The preparation method of the above-mentioned butt welding terminal that is used for the wire harness connection, wherein, the ratio of described copper strip is 3: 1.
The preparation method of the above-mentioned butt welding terminal that is used for the wire harness connection, wherein, the material of described copper strip is phosphor bronze, Vickers hardness is 190~210HV.
The preparation method of the above-mentioned butt welding terminal that is used for the wire harness connection, wherein, the volume of electroplating bath is 450 liters in the described step b), pickle comprises following component in the described electroplating bath:
The preparation method of the above-mentioned butt welding terminal that is used for the wire harness connection, wherein, electroplating temperature is 45~60 ℃ in the described step b).
The present invention contrasts prior art following beneficial effect: butt welding terminal that connects for wire harness provided by the invention and preparation method thereof, by on the copper sheet terminal, directly being coated with the tin layer and controlling tin thickness, avoid beating at the bottom of the nickel, thereby make that the butt-joint terminal is easy to welding and guarantees be connected firmly, can improve welding efficiency greatly and improve welding quality.
Description of drawings
Fig. 1 is used for the butt welding terminal structure schematic diagram that wire harness connects for the present invention;
Fig. 2 is the generalized section along A-A line among Fig. 1;
Fig. 3 is the generalized section along B-B line among Fig. 1;
Fig. 4 is used for the butt welding terminal side structural representation that wire harness connects for the present invention;
Fig. 5 be butt welding terminal provided by the invention with wire harness punching press fixedly connected schematic diagram;
Fig. 6 is material belt type butt welding terminal structure schematic diagram provided by the invention.
Among the figure:
1 copper sheet terminal, 2 tin layers, 3 cableties
4 wire harness
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is used for the butt welding terminal structure schematic diagram that wire harness connects for the present invention; Fig. 4 is used for the butt welding terminal side structural representation that wire harness connects for the present invention; Fig. 5 be butt welding terminal provided by the invention with wire harness punching press fixedly connected schematic diagram.
See also Fig. 1, Fig. 4 and Fig. 5, the butt welding terminal that connects for wire harness provided by the invention comprises copper sheet terminal 1, wherein, described copper sheet terminal 1 links to each other by the end of cableties 3 and wire harness 4, be coated with tin layer 2 on the described copper sheet terminal 1, the thickness of described copper sheet terminal 1 is 0.18~0.22mm, and the thickness of described tin layer 2 is 0~5um, as shown in Figures 2 and 3.
Butt welding terminal for the wire harness connection provided by the invention, wherein, the shape of described copper sheet terminal 1 can be circular ring type or U-shaped; The material of described copper sheet terminal 1 is preferably phosphor bronze, and Vickers hardness is 190~210HV.
The present invention also provides a kind of above-mentioned preparation method who is used for the butt welding terminal that wire harness connects, and wherein, comprises the steps:
A) selecting the copper strip for use is the terminal sheet material;
B) adopt mist tin mode to electroplate after the electroplating bath pickling copper strip, the thickness of electrotinning layer is 0~5um; Electroplating temperature is preferably 45~60 ℃, and when the volume of the electroplating bath of selecting for use was 450 liters, pickling comprised following component night in the described electroplating bath:
Pyrovinic acid 150~200L is preferably 175L;
Tin methane sulfonate 50~80Kg is preferably 65Kg;
Mist tin wetting agent 15~50ml is preferably 30ml
The brilliant thin agent 5~15ml of mist tin is preferably 7ml;
Mist tin stabilizing agent 2~10ml is preferably 5ml.
C) with sabot after the copper strip punch forming after zinc-plated; The ratio of described copper strip is preferably 3: 1, as Fig. 6 institute not.
In sum, butt welding terminal that connects for wire harness provided by the invention and preparation method thereof, by on copper sheet terminal 1, directly being coated with tin layer 2 and controlling tin thickness, need not beat at the bottom of the nickel, thereby make that the butt-joint terminal is easy to welding and guarantees be connected firmly, can improve welding efficiency greatly and improve welding quality.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.

Claims (7)

1. one kind is used for the butt welding terminal that wire harness connects, comprise copper sheet terminal (1), it is characterized in that, described copper sheet terminal (1) links to each other by the end of cableties (3) and wire harness (4), be coated with tin layer (2) on the described copper sheet terminal (1), the thickness of described copper sheet terminal (1) is 0.18~0.22mm, and the thickness of described tin layer (2) is 0~5um.
2. the butt welding terminal that connects for wire harness as claimed in claim 1 is characterized in that, described copper sheet terminal (1) be shaped as circular ring type or U-shaped.
3. the butt welding terminal for the wire harness connection as claimed in claim 1 or 2 is characterized in that the material of described copper sheet terminal (1) is phosphor bronze.
4. the preparation method of a butt welding terminal that connects for wire harness as claimed in claim 1 is characterized in that, comprises the steps:
A) selecting the copper strip for use is the terminal sheet material;
B) adopt mist tin mode to electroplate after the electroplating bath pickling copper strip, the thickness of electrotinning layer is 0~5um;
C) with sabot after the copper strip punch forming after zinc-plated.
5. the preparation method of the butt welding terminal that connects for wire harness as claimed in claim 4 is characterized in that the volume of electroplating bath is 450 liters in the described step b), and pickle comprises following component in the described electroplating bath:
6. the preparation method of the butt welding terminal that connects for wire harness as claimed in claim 4 is characterized in that electroplating temperature is 45~60 ℃ in the described step b).
7. the preparation method of the butt welding terminal that connects for wire harness as claimed in claim 4 is characterized in that the material of described copper strip is phosphor bronze, and Vickers hardness is 190~210HV.
CN2013100881921A 2013-03-18 2013-03-18 Butt-welding terminal for wire harness connection and preparing method of butt-welding terminal CN103240538A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013100881921A CN103240538A (en) 2013-03-18 2013-03-18 Butt-welding terminal for wire harness connection and preparing method of butt-welding terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013100881921A CN103240538A (en) 2013-03-18 2013-03-18 Butt-welding terminal for wire harness connection and preparing method of butt-welding terminal

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CN103240538A true CN103240538A (en) 2013-08-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110965093A (en) * 2019-12-13 2020-04-07 上海晶澳太阳能科技有限公司 Bus bar for solar module, preparation method thereof and solar module

Citations (9)

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Publication number Priority date Publication date Assignee Title
JPH10302865A (en) * 1997-04-28 1998-11-13 Harness Sogo Gijutsu Kenkyusho:Kk Manufacture of connection terminal of fitting type
CN2612088Y (en) * 2002-12-09 2004-04-14 秦月 Copper connecting terminal with self-lock up
JP2009277674A (en) * 2009-08-28 2009-11-26 Autonetworks Technologies Ltd Connection structure between aluminum wire, and copper terminal and aluminum wire with copper terminal having the structure
CN101978561A (en) * 2008-03-19 2011-02-16 古河电气工业株式会社 Terminal for connector and method of producing the same
CN201898217U (en) * 2010-11-22 2011-07-13 中兴通讯股份有限公司 Wiring terminal
CN201946413U (en) * 2010-12-13 2011-08-24 上海鹰峰电子科技有限公司 Aluminium wire winded crimped terminal structure of reactor
CN202282414U (en) * 2011-09-30 2012-06-20 芜湖天海电装有限公司 Terminal for positive wire harness of battery jar
CN202513307U (en) * 2012-03-31 2012-10-31 永久电力金具有限公司 Copper connecting terminal
CN102758228A (en) * 2012-07-13 2012-10-31 深圳市华傲创表面技术有限公司 Sulfonic acid type semi-bright pure tin electroplating solution

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10302865A (en) * 1997-04-28 1998-11-13 Harness Sogo Gijutsu Kenkyusho:Kk Manufacture of connection terminal of fitting type
CN2612088Y (en) * 2002-12-09 2004-04-14 秦月 Copper connecting terminal with self-lock up
CN101978561A (en) * 2008-03-19 2011-02-16 古河电气工业株式会社 Terminal for connector and method of producing the same
JP2009277674A (en) * 2009-08-28 2009-11-26 Autonetworks Technologies Ltd Connection structure between aluminum wire, and copper terminal and aluminum wire with copper terminal having the structure
CN201898217U (en) * 2010-11-22 2011-07-13 中兴通讯股份有限公司 Wiring terminal
CN201946413U (en) * 2010-12-13 2011-08-24 上海鹰峰电子科技有限公司 Aluminium wire winded crimped terminal structure of reactor
CN202282414U (en) * 2011-09-30 2012-06-20 芜湖天海电装有限公司 Terminal for positive wire harness of battery jar
CN202513307U (en) * 2012-03-31 2012-10-31 永久电力金具有限公司 Copper connecting terminal
CN102758228A (en) * 2012-07-13 2012-10-31 深圳市华傲创表面技术有限公司 Sulfonic acid type semi-bright pure tin electroplating solution

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
闻春国: "连接器接触件锡镀层的开发", 《机电元件》, vol. 20, no. 4, 30 December 2000 (2000-12-30) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110965093A (en) * 2019-12-13 2020-04-07 上海晶澳太阳能科技有限公司 Bus bar for solar module, preparation method thereof and solar module

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Application publication date: 20130814