CN106451022A - Production process and production equipment for longitudinal surface contact type connector terminal - Google Patents
Production process and production equipment for longitudinal surface contact type connector terminal Download PDFInfo
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- CN106451022A CN106451022A CN201610810464.8A CN201610810464A CN106451022A CN 106451022 A CN106451022 A CN 106451022A CN 201610810464 A CN201610810464 A CN 201610810464A CN 106451022 A CN106451022 A CN 106451022A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 54
- 238000004080 punching Methods 0.000 claims abstract description 76
- 239000011265 semifinished product Substances 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 62
- 238000005520 cutting process Methods 0.000 claims abstract description 60
- 239000000047 product Substances 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- 238000005868 electrolysis reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000005282 brightening Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 101100008046 Caenorhabditis elegans cut-2 gene Proteins 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
Abstract
The invention is applicable to the technical field of connector terminal production, and discloses a production process and production equipment of a longitudinal surface contact type connector terminal. The production process comprises the following steps: preparing a metal plate; cutting a metal plate for the first time to form a first semi-finished product, and reserving a first reserved area for the first semi-finished product; cutting the first reserved area for the second time, cutting off the part of the first reserved area to form a second semi-finished product, and reserving a second reserved area on the second semi-finished product; and cutting the second reserved area for the third time, cutting off the second reserved area to form a longitudinal contact surface in the longitudinal direction of the metal plate, and then performing section punching and brightening treatment. The production equipment adopts the production process. According to the production process and the production equipment of the connector terminal, the smoothness degree of the punching surface of the connector terminal is high, burrs are not generated on the punching surface, the service life of the adaptive connector is favorably ensured, and the reliability of a product is good.
Description
Technical field
The invention belongs to bonder terminal production technical field, the bonder terminal of more particularly, to a kind of longitudinal face contact type
Production technology and production equipment.
Background technology
Under the miniaturization of the consumer electronics such as the intelligent terminals such as mobile terminal, computer, slimming drive, electronics connects
The volume of device also towards miniaturization, become more meticulous development.For complying with the miniaturization of electric power connector, become more meticulous developing direction, electronics
The terminal layout of adapter is being gradually reduced, and the adapter that some of them cannot change layout then starts to consider to change connecing of terminal
Contacting surface direction, is changed to longitudinal surface contact (i.e. terminal punching face is contact surface) by the contact of terminal horizontal face.It is horizontal stroke as shown in Figure 1
To the bonder terminal of face contact type, its volume is relatively large, and horizontal face 91 is contact surface.It is longitudinal surface as shown in Figure 2 to connect
The bonder terminal of touch, its volume is relatively large, and its longitudinal surface (punching face) 92 is contact surface, and Surface Quality has high demands.
Terminal punching refers to that sheet metal liquidates by the upper punching pin of diel and lower knife edge clearance to cut to realize.
In traditional clicking technique, longitudinal surface (punching face) is rough, and the jagged phenomenon of longitudinal surface, punching face generally longitudinally
There is burr, poor surface smoothness in about 50% about area.
In prior art, it is punched the smooth degree in face in order to improve terminal, reduces the burr that terminal is punched face, traditional handicraft
To realize often through the blade clearance constantly adjusting to reduce upper punching pin and the lower edge of a knife, but this technique can only be to terminal
The outward appearance in punching face is slightly made to improve, and longitudinal surface (punching face) surface quality is not still good enough, and diel short life, raw
Product efficiency is low, production cost is high.
The bonder terminal produced using traditional clicking technique, its longitudinal surface carries out work(with the terminal of intermateable connector
When can contact, the protective layer of the burr meeting scratch intermateable connector terminal of longitudinal surface, life-time service even can damage adaptation and connect
Device, leads to the service life of intermateable connector to reduce, product reliability is not good enough.
Content of the invention
It is an object of the invention to overcoming above-mentioned the deficiencies in the prior art, there is provided a kind of adapter of longitudinal face contact type
The production technology of terminal and production equipment, its product size high precision, longitudinal surface surface quality are good, and production efficiency height, production
Low cost.
The technical scheme is that：A kind of production technology of the bonder terminal of longitudinal face contact type, vertical for producing
To the bonder terminal of face contact type, comprise the following steps：
Prepare sheet metal；
Described sheet metal is carried out cut formation the first semi-finished product for the first time, make described first semi-finished product be reserved with first
Trough；
The first trough on described first semi-finished product is cut for the second time, the part of excision the first trough is formed
Second semi-finished product, make described second semi-finished product be reserved with the second trough；
The second trough on described second semi-finished product is carried out with third time cut, excision the second trough is with metallic plate
Material be longitudinally formed longitudinal contact surface, make described second semi-finished product formed the 3rd semi-finished product；
Longitudinal contact surface on described 3rd semi-finished product is punched out with face light process.
Alternatively, in cutting in described first time, cutting mould first on punching between punching pin and first time edge of a knife
Gap is the 2% to 6% of described sheet metal thickness.
Alternatively, cut for the second time in described, cutting mould second on punching between punching pin and second time edge of a knife
Gap is the 3% to 5% of described sheet metal thickness.
Alternatively, described cut for the second time, the width in excision face is the 30% to 50% of described sheet metal thickness.
Alternatively, in described third time cuts, cutting mould the 3rd on punching between punching pin and the three times edges of a knife
Gap is the 0.5% to 1.5% of described sheet metal thickness.
Alternatively, during described third time cuts, the width in excision face is the 15% to 25% of described sheet metal thickness.
Alternatively, described punching face light is processed as grinding and polishing process.
Alternatively, described punching face light processes and comprises the following steps：Described 3rd semi-finished product are placed into chemical liquid
In, described 3rd semi-finished product are connect anode electrolysis and sets duration.
Alternatively, described chemical liquid includes electrobrightening agent and water.
Present invention also offers a kind of production equipment of bonder terminal, for producing the connector end of longitudinal face contact type
Son, including：
For the diel that sheet metal is cut, described diel includes：
First slightly cuts mould, for carrying out to described sheet metal cutting for the first time formation the first semi-finished product, makes described the
One semi-finished product are reserved with the first trough；
Second slightly cuts mould, for being cut formation the second semi-finished product for the second time to described sheet metal, makes described the
Two semi-finished product are reserved with the second trough；
Fine cut mould, cuts to excise the second trough for described sheet metal is carried out with third time, in sheet metal
Be longitudinally formed longitudinal contact surface, make described second semi-finished product formed the 3rd semi-finished product；
The production equipment of described bonder terminal also includes：
Process for the longitudinal contact surface on described 3rd semi-finished product is punched out with the punching face light that face light is processed
Device.
The production technology of bonder terminal provided by the present invention and production equipment, by slightly cutting, the technological design of fine cut,
Die life is taken into account in the blade clearance of the upper punching pin of diel and the lower edge of a knife, diel life-span length, production efficiency is high,
Low production cost, the smooth degree that achievable terminal is punched face is high, and punching face will not produce metallic bur power, and scratch can be avoided to fit
The protective layer of mating connector terminal, beneficial to the service life ensureing intermateable connector, product reliability is good.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below by use required in embodiment
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, can also be obtained other attached according to these accompanying drawings
Figure.
Fig. 1 is the schematic perspective view of the bonder terminal of horizontal face contact type that prior art provides；
Fig. 2 is the schematic perspective view of the bonder terminal of longitudinal face contact type provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of bonder terminal production technology provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram cutting for the first time in bonder terminal production technology provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram cutting for the second time in bonder terminal production technology provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram cutting for the third time in bonder terminal production technology provided in an embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or to may be simultaneously present centering elements.
Also, it should be noted the orientation term such as left and right, upper and lower in the embodiment of the present invention, it is only relative concept each other
Or with the normal operating condition of product as reference, and should not be regarded as restrictive.
A kind of production technology of bonder terminal provided in an embodiment of the present invention, for producing the connection of longitudinal face contact type
Device terminal, is illustrated in figure 2 the bonder terminal of longitudinal face contact type, comprises the following steps：
As shown in figure 3, preparing sheet metal 1；Sheet metal 1 can be coiled strip, and it can be delivered to stamping die by feeder
Below tool.Specifically, the thickness of sheet metal 1 can be less than 0.3 millimeter.Production line has and for the first time cuts station 21, second
The secondary station 22 that cuts cuts station 23 with third time.Cut station 21 for the first time, cut station 22 for the second time and cut for the third time
Station 23 can be it is also possible to independently arrange on same set of continuous stamping die.
As shown in figure 4, cutting station 21 in first time, slightly cutting mould using first and first is carried out to described sheet metal 1
Secondary cutting forms the first semi-finished product 31, makes described first semi-finished product 31 be reserved with the first trough 311, that is, the first semi-finished product 31 wrap
Include bonder terminal 310 and the first trough 311, the first semi-finished product 31 are connected on material strip, the first trough 311 is passed through follow-up
Processing removes.So-called trough, that is, relative to the surplus set by final finished, can be by the side of roughing, polish combination
Formula removes trough, thus obtaining the finished product that size is accurate, surface quality is good；In the present embodiment, it is cut into for the first time for the first time
Slightly cut, be slightly cut to sheet metal 1 for the first time and normally cut, due to there is, between upper punching pin and the lower edge of a knife, the gap that liquidates, different thick
Degree sheet metal 1 cut backlash tangent plane can produce 30% to 70% collapse angle (i.e.：Tear portion), but it cuts efficiency high,
Die life is long.In concrete application, the first trough 311 can be located at longitudinal surface on bonder terminal (contact surface) side, connects
Other sides of device terminal can normally cut.
As shown in figure 5, cut station 22 for the second time, slightly cut mould on described first semi-finished product 31 using second
One trough 311 is cut for the second time, a part for excision the first trough 311, forms the second semi-finished product 32, makes described the
Two semi-finished product 32 are also reserved with the second trough 321, and that is, the second semi-finished product 32 include bonder terminal 310 and the second trough
321, the second semi-finished product 32 are connected on material strip.It is cut into for the second time and slightly cuts for the second time, slightly cutting for the second time can for the first time slightly
After cutting (cutting for the first time), the angle of collapsing (tear portion) existing for punching face cuts away, now punching face (longitudinal surface) only
A little burr exist；In concrete application, the second trough 321 can be located at longitudinal surface on bonder terminal (contact surface) side, connects
Other sides of device terminal can normally cut.
As shown in fig. 6, cutting station 23 in third time, pre- to second on described second semi-finished product 32 using fine cut mould
Stay area 321 to carry out third time to cut, excise the second trough 321 completely, leave behind bonder terminal 310, with sheet metal 1
Longitudinal surface form longitudinal contact surface, make described second semi-finished product 32 form the 3rd semi-finished product (bonder terminal 310)；3rd
Secondary be cut into fine cut, very thin one layer is removed to the longitudinal section of the second semi-finished product 32, can be to the punching face of the second semi-finished product 32
Carry out burr removing, make punching face smooth.Third time cuts and can only cut longitudinal surface on bonder terminal (contact surface) side,
Other sides of bonder terminal can normally cut.
Longitudinal contact surface on described 3rd semi-finished product is punched out with face light process, is punched in improving further
Surface flatness, forms the finished product of bonder terminal, the punching face of bonder terminal is contact surface, and the structure of bonder terminal is little
Ingeniously, it is punched the smooth surface impulse- free robustness in face, the protective layer of scratch intermateable connector terminal can be avoided, connect beneficial to ensureing to be adapted to
The service life of device, product reliability is good, and by slightly cutting, the technological design of fine cut, the upper punching pin of diel and lower knife
Die life, diel life-span length are taken into account in the blade clearance of mouth, and production efficiency is high, low production cost.
It is also possible to setting cuts for the 4th time in concrete application, it is slightly cut can be according to practical situation with the number of times of fine cut
Adjustment.For example, setting is slightly cut and fine cut twice etc. twice.
Specifically, as shown in figure 4, in cutting in described first time, cutting mould (diel) first on punching pin 41
Blade clearance and first time edge of a knife between can be the 2% to 6% of described sheet metal 1 thickness.Preferably, cut for the first time
In (slightly cut for the first time), cutting mould first on blade clearance between punching pin 41 and first time edge of a knife can be described metal
The 3% to 5% of sheet material 1 thickness, such as 3.5% to 4.5%.In the present embodiment, cut for the first time in (slightly cutting for the first time), cut
On the first of mould, the blade clearance between punching pin 41 and first time edge of a knife is the 4% of described sheet metal 1 thickness.The present embodiment
In, the thickness of sheet metal 1 is 0.25mm, cutting mould first on blade clearance between punching pin 41 and first time edge of a knife be
0.01mm.On first, punching pin 41 is located at the side of longitudinal surface on bonder terminal.After first time cuts, light in punching face
Face is about 30%, and punching face has angle of collapsing and produces (i.e.：Tear portion).
Specifically, as shown in figure 5, cutting for the second time in described, rushing between the upper punching pin of cutting mould and the lower edge of a knife
Cutting out gap is the 3% to 5% of described sheet metal 1 thickness.Preferably, cut in (slightly cutting for the second time) for the second time, cutting mould
Second on blade clearance between punching pin 42 and second time edge of a knife can be described sheet metal 1 thickness 3.5% to
4.5%, such as 3.8% to 4.2%.In the present embodiment, cut in (slightly cutting for the second time) for the second time, cutting mould second on rush
Blade clearance between son 42 and second time edge of a knife is the 4% of described sheet metal 1 thickness.Specifically, cut in cutting for the second time
Except the width in face no more than cuts the width in middle excision face for the first time, described cut for the second time, the width in excision face is described
The 30% to 50% of sheet metal 1 thickness.Preferably, the width cutting middle excision face for the second time can be thick for described sheet metal 1
The 35% to 45% of degree, in the present embodiment, the width in excision face is the 40% of described sheet metal 1 thickness.In the present embodiment, gold
The thickness belonging to sheet material 1 is 0.25mm, cutting mould second on blade clearance between punching pin 42 and second time edge of a knife be
0.01mm.On second, punching pin 42 can be located at the side of longitudinal surface on bonder terminal.After cutting for the second time, light in punching face
Bright face is about 50%, and punching face still suffers from a small amount of burr and produces.
Specifically, as shown in fig. 6, the width cutting middle excision face for the third time no more than cuts the width in middle excision face for the second time
Degree, in described third time cuts, cutting mould the 3rd on blade clearance between punching pin 43 and the three time edges of a knife be described
The 0.5% to 1.5% of sheet metal 1 thickness.Preferably, cut in (fine cut) for the third time, cutting mould the 3rd on punching pin 43
Blade clearance and the three times edges of a knife between can be described sheet metal 1 thickness 0.8% to 1.2%, such as 0.9% to
1.1%.In the present embodiment, cut in (fine cut) for the third time, cutting mould the 3rd between punching pin 43 and the three times edges of a knife
Blade clearance is the 1% of described sheet metal 1 thickness.In the present embodiment, the thickness of sheet metal 1 is 0.25mm, cutting mould
The 3rd on blade clearance between punching pin 43 and the three times edges of a knife can be 0.0025 ± 0.0005mm.On 3rd, punching pin 43 can position
The side of longitudinal surface on bonder terminal.Specifically, during described third time cuts, the width in excision face is described sheet metal
The 15% to 25% of 1 thickness.Preferably, the width cutting middle excision face for the third time can be the 18% of described sheet metal 1 thickness
To 22%, in the present embodiment, the width in excision face is the 20% of described sheet metal 1 thickness.Cut (fine cut) through third time
Afterwards, the second trough is excised by this time fine cut just completely, can obtain the finished product of preliminary dimension and precision, can liquidate tangent plane
Carry out burr removing, be allowed to smooth, now in the punching face of functional area wet look up to 95%, punching face there will be no
Burr.
Specifically, described punching face light is processed as grinding and polishing and processes, i.e. electrolytic polishing polishing, its effect is good,
Efficiency high and low cost.
Specifically, described punching face light processes and comprises the following steps：Described 3rd semi-finished product are placed into chemical liquid
In, described 3rd semi-finished product are connect anode electrolysis and sets duration.Setting duration can be 20 to 40 seconds, in the present embodiment, during setting
A length of 30 seconds, now the bright area in the punching face 92 in terminal function region can reach 100%, surface quality is good.
Specifically, described chemical liquid includes electrobrightening agent and water.In concrete application, electrobrightening agent can include electricity
Solution polishing agent A (750mL/L), electrobrightening agent B (60mL/L) and water.
The embodiment of the present invention additionally provides a kind of production equipment of bonder terminal, for producing the company of longitudinal face contact type
Connect device terminal, employ above-mentioned production technology, including：
For the diel that sheet metal 1 is cut, described diel includes：
First slightly cuts mould, for carrying out to described sheet metal 1 cutting formation the first semi-finished product 31 for the first time, makes described
First semi-finished product 31 are reserved with the first trough 311；
Second slightly cuts mould, for described sheet metal 1 is cut for the second time with formation the second semi-finished product 32, excision the
A part for one trough 311, makes described second semi-finished product 32 be reserved with the second trough 321；
Fine cut mould, cuts for described sheet metal 1 is carried out with third time, excises the second trough 321 with lucky,
Sheet metal 1 be longitudinally formed longitudinal contact surface, make described second semi-finished product 32 form the 3rd semi-finished product；
The production equipment of described bonder terminal also includes：
Process for the longitudinal contact surface on described 3rd semi-finished product is punched out with the punching face light that face light is processed
Device.
Specifically, first slightly cut mould, second slightly cut mould and fine cut mould can be independently arranged it is also possible to successively successively
It is arranged on same set of continuous stamping die.
Specifically, light processing meanss in punching face can be disposed adjacent with described diel.Punching face light processes dress
Putting can be electrolytic polishing burnishing device, including filling the coating bath of chemical liquid, be used for connecting bonder terminal (the 3rd semi-finished product)
Anode, insert in described coating bath chemical liquid in negative pole and be connected to the unidirectional current of described anode and negative pole and produce dress
Put.With bonder terminal as anode, insoluble petal is negative electrode, and the two poles of the earth are contemporaneously immersed in electrolysis bath, passes to direct current ionization anti-
Answer and produce selectively anodic solution, thus reaching bonder terminal surface to remove the effect that trickle burr and brightness increase
Really.The metal ion departing from bonder terminal forms one layer of phosphate layer absorption in bonder terminal with the phosphoric acid in polishing fluid
Surface, this salt film is relatively thin in high spot, and recess is thicker, dissolves fast because high spot electric current density is high, with salt membrane flow, concavo-convex
It is continually changing, rough surface can gradually be leveled.
The production technology of the bonder terminal that the embodiment of the present invention is provided and production equipment, achievable terminal is punched face
Smooth degree reaches more than 95%, and punching face will not produce any metallic bur power, and production technology can be by " slightly cutting 1 (to cut out for the first time
Cut), slightly cut 2 (cutting for the second time), fine cut (cutting for the third time) ,-grinding and polishing (punching face light process) " four steps realize
Contact surface zero defect makes.
Illustrated with sheet metal 1 thickness T=0.25mm for example below：
Step one：Slightly cut 1 (cutting for the first time)
The sheet metal 1 of 0.25mm is carried out cutting for the first time by way of normally cutting, punching pin 41 and the on first
Knife edge clearance 0.01mm once, functional area reserves first trough 311 of 0.15mm, the now punching area light of functional area
Bright face is about 30%, and punching face has angle of collapsing and produces (i.e.：Tear portion).
Step 2：Slightly cut 2 (cutting for the second time)
The first semi-finished product after cutting for the first time are cut for the second time, punching pin 42 and second time knife on second
Mouth gap is 0.01mm, this time slightly cuts 0.15mm the first trough 311 that can reserve functional area and cut away 0.10mm, mesh again
Be will to collapse angle (i.e.：Tear portion) excision.Slightly cut rear functional area for the second time and reserve the second trough still having 0.05mm
321, now it is punched area wet look and is about 50%, punching face still suffers from a small amount of burr.
Step 3：Fine cut (cuts) for the third time
The second semi-finished product after cutting for the second time are carried out fine cut, on the 3rd, punching pin and lower knife edge clearance can be
0.003mm, this time fine cut cuts the second trough 321 that functional area reserves 0.05mm just it is therefore an objective to be punched to metal
Face carries out burr removing, is allowed to smooth.Now the bright area in the punching face of functional area 92 is about 95%, and punching face 92 is
There will be no burr.
Step 4：Grinding and polishing (punching face light is processed)
Metal terminal after fine cut is put in the coating bath filling chemical medicinal liquid, connects anode and be energized and carry out being electrolysed about
Take out after 30s, now the bright area in the punching face 92 in terminal function region can reach 100%, can substitute horizontal face completely
Contact, the smooth surface impulse- free robustness in punching face 92, the protective layer of scratch intermateable connector terminal can be avoided, beneficial to guarantee adaptation
The service life of adapter, product reliability is good, and by slightly cutting, the technological design of fine cut, the upper punching pin of diel with
Die life, diel life-span length are taken into account in the blade clearance of the lower edge of a knife, and production efficiency is high, low production cost.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent or improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of production technology of the bonder terminal of longitudinal face contact type is it is characterised in that be used for producing longitudinal face contact type
Bonder terminal, comprise the following steps：
Prepare sheet metal；
Described sheet metal is carried out cut formation the first semi-finished product for the first time, make described first semi-finished product be reserved with first and reserve
Area；
The first trough on described first semi-finished product is cut for the second time, the part of excision the first trough forms second
Semi-finished product, make described second semi-finished product be reserved with the second trough；
The second trough on described second semi-finished product is carried out with third time cut, excision the second trough is with sheet metal
It is longitudinally formed longitudinal contact surface, make described second semi-finished product form the 3rd semi-finished product；
Longitudinal contact surface on described 3rd semi-finished product is punched out with face light process.
2. the production technology of the bonder terminal of longitudinal face contact type as claimed in claim 1 is it is characterised in that in described
In once cutting, cutting mould first on blade clearance between punching pin and first time edge of a knife be described sheet metal thickness
2% to 6%.
3. the production technology of the bonder terminal of longitudinal face contact type as claimed in claim 1 is it is characterised in that in described
Secondary cut, cutting mould second on blade clearance between punching pin and second time edge of a knife be described sheet metal thickness
3% to 5%.
4. the production technology of the bonder terminal of longitudinal face contact type as claimed in claim 3 is it is characterised in that described second
Secondary cut, the width in excision face is the 30% to 50% of described sheet metal thickness.
5. the production technology of the bonder terminal of longitudinal face contact type as claimed in claim 1 is it is characterised in that in described
During three times cut, cutting mould the 3rd on blade clearance between punching pin and the three times edges of a knife be described sheet metal thickness
0.5% to 1.5%.
6. the production technology of the bonder terminal of longitudinal face contact type as claimed in claim 5 is it is characterised in that the described 3rd
Secondary cut, the width in excision face is the 15% to 25% of described sheet metal thickness.
7. the production technology of the bonder terminal of longitudinal face contact type as claimed in claim 1 is it is characterised in that described punching
Face light is processed as grinding and polishing and processes.
8. the production technology of the bonder terminal of longitudinal face contact type as claimed in claim 1 is it is characterised in that described punching
Face light processes and comprises the following steps：Described 3rd semi-finished product are placed in chemical liquid, described 3rd semi-finished product are connect sun
Pole electrolysis sets duration.
9. the production technology of the bonder terminal of longitudinal face contact type as claimed in claim 8 is it is characterised in that described chemistry
Medicinal liquid includes electrobrightening agent and water.
10. a kind of production equipment of bonder terminal is it is characterised in that for producing the bonder terminal of longitudinal face contact type,
Including：
For the diel that sheet metal is cut, described diel includes：
First slightly cuts mould, for carrying out to described sheet metal cutting for the first time formation the first semi-finished product, makes described the first half
Finished product is reserved with the first trough；
Second slightly cuts mould, for being cut formation the second semi-finished product for the second time to described sheet metal, makes described the second half
Finished product is reserved with the second trough；
Fine cut mould, cuts for described sheet metal is carried out with third time to excise the second trough, vertical in sheet metal
To forming longitudinal contact surface, described second semi-finished product are made to form the 3rd semi-finished product；
The production equipment of described bonder terminal also includes：
For the longitudinal contact surface on described 3rd semi-finished product is punched out with the punching face light processing meanss that face light is processed.
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| CN201610810464.8A CN106451022B (en) | 2016-09-07 | 2016-09-07 | Production process and production equipment for longitudinal surface contact type connector terminal |
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| CN201610810464.8A CN106451022B (en) | 2016-09-07 | 2016-09-07 | Production process and production equipment for longitudinal surface contact type connector terminal |
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| CN107317211A (en) * | 2017-07-03 | 2017-11-03 | 富加宜连接器（东莞）有限公司 | A kind of cutting structure of Reverse Turning Control terminal flash |
| CN109692909A (en) * | 2019-01-14 | 2019-04-30 | 上海徕木电子股份有限公司 | A kind of preparation process of connector fish forked terminal |
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| CN109692909B (en) * | 2019-01-14 | 2023-12-15 | 上海徕木电子股份有限公司 | Preparation process of fish fork terminal for connector |
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| CN106451022B (en) | 2019-06-18 |
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