CN106451022B - 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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- CN106451022B CN106451022B CN201610810464.8A CN201610810464A CN106451022B CN 106451022 B CN106451022 B CN 106451022B CN 201610810464 A CN201610810464 A CN 201610810464A CN 106451022 B CN106451022 B CN 106451022B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 55
- 238000004080 punching Methods 0.000 claims abstract description 81
- 238000005520 cutting process Methods 0.000 claims abstract description 70
- 239000002184 metal Substances 0.000 claims abstract description 66
- 229910052751 metal Inorganic materials 0.000 claims abstract description 66
- 239000011265 semifinished product Substances 0.000 claims abstract description 66
- 239000000047 product Substances 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims description 18
- 238000005498 polishing Methods 0.000 claims description 10
- 239000007788 liquid Substances 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
- 239000000463 material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000005282 brightening Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 230000006978 adaptation 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
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 101100008046 Caenorhabditis elegans cut-2 gene Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 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
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 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
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
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 more particularly to a kind of bonder terminals of longitudinal face contact type
Production technology and production equipment.
Background technique
In the case where miniaturization, the slimming of the consumer electronics such as the intelligent terminals such as mobile terminal, computer drive, electronics connection
The volume of device also develops towards miniaturization, fining.For miniaturization, the fining developing direction for complying with electric power connector, electronics
The terminal layout of connector is being gradually reduced, and the connector that some of them can not change layout then starts to consider to change connecing for terminal
Contacting surface direction is changed to longitudinal face contact by terminal transverse direction face contact (i.e. terminal punching face is contact surface).It is as shown in Figure 1 cross
To the bonder terminal of face contact type, volume is relatively large, and lateral face 91 is contact surface.It is as shown in Figure 2 that longitudinal surface connects
The bonder terminal of touch, volume is relatively large, and longitudinal surface (punching face) 92 is contact surface, and Surface Quality requires high.
Terminal punching refers to that sheet metal is liquidated by the upper punching pin and lower knife edge clearance of stamping die and cuts to realize.
In traditional clicking technique, longitudinal surface (punching face) is rough, and the jagged phenomenon of longitudinal surface, punching face generally longitudinally
There are burr, poor surface smoothnesses for about 50% or so area.
In the prior art, for the burr for improving the smooth degree in terminal punching face, reducing terminal punching face, traditional handicraft
It is realized often through continuously adjusting with reducing the blade clearance of upper punching pin and the lower edge of a knife, however this technique can only be to terminal
The appearance in punching face slightly improves, and surface quality is not still good enough, and the stamping die service life is short for longitudinal surface (punching face), raw
Produce low efficiency, high production cost.
The terminal of the bonder terminal produced using traditional clicking technique, longitudinal surface and intermateable connector carries out function
When can contact, the burr of longitudinal surface can scratch the protective layer of intermateable connector terminal, and adaptation connection can even be damaged by being used for a long time
Device causes the service life of intermateable connector to reduce, and product reliability is not good enough.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of connector of longitudinal face contact type is provided
The production technology and production equipment of terminal, product size precision is high, longitudinal surface surface quality is good, and high production efficiency, production
It is at low cost.
The technical scheme is that a kind of production technology of the bonder terminal of longitudinal direction face contact type, vertical for producing
To the bonder terminal of face contact type, comprising the following steps:
Prepare sheet metal；
The sheet metal is carried out cutting to form the first semi-finished product for the first time, first semi-finished product is made to be reserved with first
Trough；
The first trough on first semi-finished product is cut for the second time, the part of the first trough of excision is formed
Second semi-finished product make second semi-finished product be reserved with the second trough；
Third time is carried out to the second trough on second semi-finished product to cut, and cuts off the second trough in metal plate
Material is longitudinally formed longitudinal contact surface, and second semi-finished product is made to form third semi-finished product；
Light processing in face is punched out to longitudinal contact surface on the third semi-finished product.
Optionally, in being cut in the first time, cutting mould first on punching between punching pin and the first lower edge of a knife
Gap is the 2% to 6% of the sheet metal thickness.
Optionally, for the second time cut in described, cutting mould second on punching between punching pin and the second lower edge of a knife
Gap is the 3% to 5% of the sheet metal thickness.
Optionally, described to cut for the second time, the width for cutting off face is the 30% to 50% of the sheet metal thickness.
Optionally, the punching in the third time is cut, in the third of cutting mould under punching pin and third between the edge of a knife
Gap is the 0.5% to 1.5% of the sheet metal thickness.
Optionally, during the third time is cut, the width for cutting off face is the 15% to 25% of the sheet metal thickness.
Optionally, the punching face light processing is that grinding and polishing is handled.
Optionally, the punching face light processing is the following steps are included: be placed into chemical liquid for the third semi-finished product
In, the third semi-finished product are connect into anode electrolysis setting duration.
Optionally, the chemical liquid includes electrobrightening agent and water.
The present invention also provides a kind of production equipments of bonder terminal, for producing the connector end of longitudinal face contact type
Son, comprising:
Stamping die for being cut to sheet metal, the stamping die include:
First slightly cuts mold, for carrying out cutting to form the first semi-finished product for the first time to the sheet metal, makes described the
One semi-finished product are reserved with the first trough；
Second slightly cuts mold, for being cut to form the second semi-finished product for the second time to the sheet metal, makes described
Two semi-finished product are reserved with the second trough；
Fine cut mold is cut for carrying out third time to the sheet metal to cut off the second trough, in sheet metal
Be longitudinally formed longitudinal contact surface, so that second semi-finished product is formed third semi-finished product；
The production equipment of the bonder terminal further include:
Punching face light for being punched out the processing of face light to longitudinal contact surface on the third semi-finished product is handled
Device.
The production technology and production equipment of bonder terminal provided by the present invention, by slightly cutting, the technological design of fine cut,
The blade clearance of the upper punching pin of stamping die and the lower edge of a knife is able to take into account die life, and the stamping die service life is long, high production efficiency,
Production cost is low, it can be achieved that the smooth degree in terminal punching face is high, and punching face will not generate metal burr, can be suitable to avoid scratching
The protective layer of mating connector terminal, conducive to the service life for guaranteeing intermateable connector, product reliability is good.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the stereoscopic schematic diagram of the bonder terminal for the lateral face contact type that the prior art provides；
Fig. 2 is the stereoscopic schematic diagram 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 cut for the first time in bonder terminal production technology provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram cut for the second time in bonder terminal production technology provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram cut for the third time in bonder terminal production technology provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or it 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 may be simultaneously present centering elements.
It is only relative concept each other it should also be noted that, the positional terms such as left and right, upper and lower in the embodiment of the present invention
It or is to refer to, and should not be regarded as restrictive with the normal operating condition of product.
The production technology of a kind 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, comprising the following steps:
As shown in figure 3, preparing sheet metal 1；Sheet metal 1 can be coiled strip, can be delivered to stamping die by feeder
Tool lower section.Specifically, the thickness of sheet metal 1 can be less than 0.3 millimeter.Production line has cuts station 21, second for the first time
It is secondary to cut station 22 and cut station 23 for the third time.Station 21 is cut for the first time, station 22 is cut for the second time and cuts for the third time
Station 23 can independently can also be arranged on same set of continuous stamping die.
As shown in figure 4, slightly cutting mold cutting station 21 for the first time using first and carrying out first to the sheet metal 1
It is secondary to cut to form the first semi-finished product 31, so that first semi-finished product 31 is reserved with the first trough 311, i.e. the first semi-finished product 31 packet
Bonder terminal 310 and the first trough 311 are included, the first semi-finished product 31 are connected on material strip, and the first trough 311 passes through subsequent
Processing removal.So-called trough, i.e., with respect to surplus set by final finished, the side that can be combined by roughing, finishing
Formula removes trough, to obtain 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
It slightly cuts, is slightly cut to sheet metal 1 for the first time and normally cuts, it is different thick due to there is the gap that liquidates between upper punching pin and the lower edge of a knife
The sheet metal 1 of degree, which cuts backlash section, can generate 30% to 70% angle of collapsing (that is: tear portion), but its cut it is high-efficient,
Die life is long.In concrete application, the first trough 311 can be located at longitudinal surface (contact surface) side on bonder terminal, connection
Other sides of device terminal can normally be cut.
As shown in figure 5, cutting station 22 for the second time, mold is slightly cut to the on first semi-finished product 31 using second
One trough 311 is cut for the second time, cuts off a part of 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, i.e. 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 and slightly cuts for the second time for the second time, slightly cutting for the second time can will be thick for the first time
Angle (tear portion) of being collapsed after cutting and (cutting for the first time) present in punching face is cut away, and is punched face (longitudinal surface) at this time and only has one
A little flashes exist；In concrete application, the second trough 321 can be located at longitudinal surface (contact surface) side on bonder terminal, connection
Other sides of device terminal can normally be cut.
As shown in fig. 6, cutting station 23 for the third time, it is pre- to second on second semi-finished product 32 using fine cut mold
It stays area 321 to carry out third time to cut, cuts off the second trough 321 completely, bonder terminal 310 is left behind, in sheet metal 1
Longitudinal surface form longitudinal contact surface, so that second semi-finished product 32 is formed third semi-finished product (bonder terminal 310)；Third
It is secondary to be cut into fine cut, very thin one layer is removed to the longitudal section of the second semi-finished product 32, it can be to the punching face of the second semi-finished product 32
Flash removing is carried out, keeps punching face smooth.Third time, which is cut, can only cut longitudinal surface on bonder terminal (contact surface) side,
Other sides of bonder terminal can normally be cut.
To longitudinal contact surface on the third semi-finished product be punched out face light processing, with further increase punching
Surface flatness forms the finished product of bonder terminal, and the punching face of bonder terminal is contact surface, and the structure of bonder terminal is small
Ingeniously, it is punched the surface Glabrous thorn in face, can be conducive to guarantee adaptation connection to avoid the protective layer for scratching intermateable connector terminal
The service life of device, product reliability is good, and by slightly cut, the technological design of fine cut, the upper punching pin of stamping die with cut
The blade clearance of mouth is able to take into account die life, and the stamping die service life is long, and high production efficiency, production cost are low.
In concrete application, it also can be set the 4th time and cut, slightly cutting can be according to the actual situation with the number of fine cut
Adjustment.For example, setting is slightly cut twice and fine cut twice etc..
Specifically, as shown in figure 4, in being cut in the first time, cutting mould (stamping die) first on punching pin 41
Blade clearance between the first lower edge of a knife can be the 2% to 6% of 1 thickness of sheet metal.Preferably, it cuts for the first time
In (slightly cut for the first time), cutting mould first on blade clearance between punching pin 41 and the first lower edge of a knife can be the metal
The 3% to 5% of 1 thickness of plate, such as 3.5% to 4.5%.In in the present embodiment, cutting and (slightly cutting for the first time) for the first time, cut
Blade clearance on the first of mold between punching pin 41 and the first lower edge of a knife is the 4% of 1 thickness of sheet metal.The present embodiment
In, sheet metal 1 with a thickness of 0.25mm, cutting mould first on blade clearance between punching pin 41 and the first lower edge of a knife be
0.01mm.Punching pin 41 is located at the side of longitudinal surface on bonder terminal on first.It is bright in punching face after cutting for the first time
Face is about 30%, and punching face has angle of collapsing and generates (that is: tear portion).
Specifically, as shown in figure 5, being cut for the second time in described, rushing between the upper punching pin of cutting mould and the lower edge of a knife
Cut out 3% to 5% that gap is 1 thickness of sheet metal.Preferably, in cutting and (slightly cutting for the second time) for the second time, cutting mould
Second on blade clearance between punching pin 42 and the second lower edge of a knife can for 1 thickness of sheet metal 3.5% to
4.5%, such as 3.8% to 4.2%.In in the present embodiment, cutting and (slightly cutting for the second time) for the second time, cutting mould second on rush
Blade clearance between son 42 and the second lower edge of a knife is the 4% of 1 thickness of sheet metal.Specifically, it is cut in cutting for the second time
Width except face no more than cutting the width in middle excision face for the first time, and described to cut for the second time, it is described for cutting off the width in face
The 30% to 50% of 1 thickness of sheet metal.Preferably, the width for cutting middle excision face for the second time can be thick for the sheet metal 1
The 35% to 45% of degree, in the present embodiment, the width for cutting off face is the 40% of 1 thickness of sheet metal.In the present embodiment, gold
Belong to plate 1 with a thickness of 0.25mm, cutting mould second on blade clearance between punching pin 42 and the second lower edge of a knife be
0.01mm.Punching pin 42 can be located at the side of longitudinal surface on bonder terminal on second.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 generates.
Specifically, as shown in fig. 6, the width that third time cuts middle excision face is not more than the width for cutting middle excision face for the second time
Degree, in the third time is cut, the blade clearance in the third of cutting mould under punching pin 43 and third between the edge of a knife is described
The 0.5% to 1.5% of 1 thickness of sheet metal.Preferably, it cuts for the third time in (fine cut), punching pin 43 in the third of cutting mould
With the blade clearance under third between the edge of a knife can be 1 thickness of sheet metal 0.8% to 1.2%, such as 0.9% to
1.1%.It in the present embodiment, cuts for the third time in (fine cut), in the third of cutting mould under punching pin 43 and third between the edge of a knife
Blade clearance is the 1% of 1 thickness of sheet metal.In the present embodiment, sheet metal 1 with a thickness of 0.25mm, cutting mould
Third on blade clearance under punching pin 43 and third between the edge of a knife can be 0.0025 ± 0.0005mm.Punching pin 43 can position in third
In the side of longitudinal surface on bonder terminal.Specifically, during the third time is cut, the width for cutting off face is the sheet metal
The 15% to 25% of 1 thickness.Preferably, the width for cutting middle excision face for the third time can be the 18% of 1 thickness of sheet metal
To 22%, in the present embodiment, the width for cutting off face is the 20% of 1 thickness of sheet metal.By cutting (fine cut) for the third time
Afterwards, this time fine cut cuts off the second trough completely just, and the finished product of available predetermined size and precision, can liquidate section
Flash removing is carried out, is allowed to smooth, wet look up to 95%, there will be no by punching face in the punching face of functional area at this time
Burr.
Specifically, punching face light processing is that grinding and polishing is handled, i.e. electrolytic polishing polishing treatment, effect is good,
It is high-efficient and at low cost.
Specifically, the punching face light processing is the following steps are included: be placed into chemical liquid for the third semi-finished product
In, the third semi-finished product are connect into anode electrolysis setting duration.Setting duration can be 20 to 40 seconds, in the present embodiment, when setting
A length of 30 seconds, the bright area in the punching face 92 in terminal function region can reach 100% at this time, and surface quality is good.
Specifically, the chemical liquid includes electrobrightening agent and water.In concrete application, electrobrightening agent may include electricity
Solve polishing agent A (750mL/L), electrobrightening agent B (60mL/L) and water.
The embodiment of the invention also provides a kind of production equipments of bonder terminal, for producing the company of longitudinal face contact type
Device terminal is connect, above-mentioned production technology is used, comprising:
Stamping die for being cut to sheet metal 1, the stamping die include:
First slightly cuts mold, for carrying out cutting to form the first semi-finished product 31 for the first time to the sheet metal 1, makes described
First semi-finished product 31 are reserved with the first trough 311；
Second slightly cuts mold, to form the second semi-finished product 32 for being cut for the second time to the sheet metal 1, excision the
A part of one trough 311 makes second semi-finished product 32 be reserved with the second trough 321；
Fine cut mold is cut for carrying out third time to the sheet metal 1, to cut off the second trough 321 just,
Sheet metal 1 is longitudinally formed longitudinal contact surface, and second semi-finished product 32 is made to form third semi-finished product；
The production equipment of the bonder terminal further include:
Punching face light for being punched out the processing of face light to longitudinal contact surface on the third semi-finished product is handled
Device.
Specifically, first mold is slightly cut, second slightly mold and fine cut mold is cut and can successively be independently arranged, it can also be successively
It is set on same set of continuous stamping die.
Specifically, light processing unit in punching face can be disposed adjacent with the stamping die.Punching face light processing dress
Setting to be electrolytic polishing burnishing device, including filling the coating bath of chemical liquid, for connecting bonder terminal (third semi-finished product)
Anode, the cathode in the chemical liquid in the insertion coating bath and be connected to the anode and the direct current of cathode generates dress
It sets.Using bonder terminal as anode, insoluble petal is cathode, and the two poles of the earth are immersed in electrolytic cell simultaneously, and it is anti-to pass to direct current ionization
It answers and generates selective anodic solution, to reach the effect that bonder terminal surface removes subtle burr and brightness increases
Fruit.Phosphoric acid in the metal ion and polishing fluid being detached from bonder terminal forms one layer of phosphate layer and is adsorbed on bonder terminal
Surface, this salt film is relatively thin in high spot, and recess is thicker, dissolves fastly because high spot current density is high, concave-convex with salt membrane flow
Constantly variation, rough surface can be gradually leveled.
The production technology and production equipment of bonder terminal provided by the embodiment of the present invention are, it can be achieved that terminal is punched face
For smooth degree up to 95% or more, punching face will not generate any metal burr, 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 processing) " four steps realize
The production of contact surface zero defect.
It is illustrated below using 1 thickness T=0.25mm of sheet metal as example:
Step 1: 1 (cutting for the first time) is slightly cut
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 reserve the first trough 311 of 0.15mm, at this time the punching area light of functional area
Bright face is about 30%, and punching face has angle of collapsing and generates (that is: tear portion).
Step 2: 2 (cutting for the second time) are slightly cut
The first semi-finished product after cutting for the first time are cut for the second time, punching pin 42 is cut with second on second
Mouth gap is 0.01mm, and 0.10mm, mesh can be cut away for the first trough 0.15mm 311 that functional area is reserved again by this time slightly cutting
Be will collapse angle (that is: tear portion) excision.Reserved the second trough for still having 0.05mm of rear functional area is slightly cut for the second time
321, being punched area wet look at this time is about 50%, and punching face still suffers from a small amount of burr.
Step 3: fine cut (is cut) for the third time
Fine cut will be carried out by the second semi-finished product after cutting for the second time, punching pin can be with lower knife edge clearance in third
0.003mm, this time fine cut cut the second trough 321 that functional area reserves 0.05mm just, it is therefore an objective to be punched to metal
Face carries out flash removing, is allowed to smooth.The bright area in the punching face of functional area 92 is about 95% at this time, and punching face 92 is
It there will be no burr.
Step 4: grinding and polishing (processing of punching face light)
Metal terminal after fine cut is put into the coating bath for filling chemical medicinal liquid, anode is connect and is electrolysed about
It is taken out after 30s, the bright area in the punching face 92 in terminal function region can reach 100% at this time, can substitute lateral face completely
Contact, the surface Glabrous thorn in punching face 92 can be conducive to guarantee adaptation to avoid the protective layer for scratching intermateable connector terminal
The service life of connector, product reliability is good, and by slightly cut, the technological design of fine cut, the upper punching pin of stamping die with
The blade clearance of the lower edge of a knife is able to take into account die life, and the stamping die service life is long, and high production efficiency, production cost are low.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of production technology of the bonder terminal of longitudinal direction face contact type, which is characterized in that for producing longitudinal face contact type
Bonder terminal, the punching face of bonder terminal is contact surface, comprising the following steps:
Prepare sheet metal；
The sheet metal is carried out cutting to form the first semi-finished product for the first time, so that first semi-finished product is reserved with first reserved
Area, first trough are located at longitudinal surface side on bonder terminal, and the sheet metal cuts backlash section and generates angle of collapsing；
The first trough on first semi-finished product is cut for the second time, the part of the first trough of excision forms second
Semi-finished product, make second semi-finished product be reserved with the second trough, and described be cut into for the second time will cut punching later for the first time
Collapse clipped corner present in face；
Third time is carried out to the second trough on second semi-finished product to cut, and cuts off the second trough completely in metal plate
Material is longitudinally formed longitudinal contact surface, and third time cuts the width in middle excision face no more than the width for cutting middle excision face for the second time
Degree makes second semi-finished product form third semi-finished product；
Light processing in face is punched out to longitudinal contact surface on the third semi-finished product.
2. the production technology of the bonder terminal of longitudinal direction face contact type as described in claim 1, which is characterized in that Yu Suoshu the
Once cut, cutting mould first on blade clearance between punching pin and the first lower edge of a knife be the sheet metal thickness
2% to 6%.
3. the production technology of the bonder terminal of longitudinal direction face contact type as described in claim 1, which is characterized in that Yu Suoshu the
It is secondary to cut, cutting mould second on blade clearance between punching pin and the second lower edge of a knife be the sheet metal thickness
3% to 5%.
4. the production technology of the bonder terminal of longitudinal direction face contact type as claimed in claim 3, which is characterized in that described second
Secondary to cut, the width for cutting off face is the 30% to 50% of the sheet metal thickness.
5. the production technology of the bonder terminal of longitudinal direction face contact type as described in claim 1, which is characterized in that Yu Suoshu the
In cutting three times, the blade clearance in the third of cutting mould under punching pin and third between the edge of a knife is the sheet metal thickness
0.5% to 1.5%.
6. the production technology of the bonder terminal of longitudinal direction face contact type as claimed in claim 5, which is characterized in that the third
Secondary to cut, the width for cutting off face is the 15% to 25% of the sheet metal thickness.
7. the production technology of the bonder terminal of longitudinal direction face contact type as described in claim 1, which is characterized in that the punching
Light processing in face is that grinding and polishing is handled.
8. the production technology of the bonder terminal of longitudinal direction face contact type as described in claim 1, which is characterized in that the punching
The third semi-finished product are connect sun the following steps are included: the third semi-finished product are placed into chemical liquid by the processing of face light
Pole electrolysis setting duration.
9. the production technology of the bonder terminal of longitudinal direction face contact type as claimed in claim 8, which is characterized in that the chemistry
Medical fluid includes electrobrightening agent and water.
10. a kind of production equipment of bonder terminal, which is characterized in that for producing the bonder terminal of longitudinal face contact type,
Include:
Stamping die for being cut to sheet metal, the stamping die include:
First slightly cuts mold, for carrying out cutting to form the first semi-finished product for the first time to the sheet metal, makes described the first half
Finished product is reserved with the first trough；
Second slightly cuts mold, for being cut to form the second semi-finished product for the second time to the sheet metal, makes described the second half
Finished product is reserved with the second trough, and second slightly cuts mold for the clipped corner that collapses present in the first semi-finished product；
Fine cut mold is cut to cut off the second trough for carrying out third time to the sheet metal, in the vertical of sheet metal
To longitudinal contact surface is formed, second semi-finished product is made to form third semi-finished product；
The production equipment of the bonder terminal further include:
For being punched out the punching face light processing unit of face light processing to longitudinal contact surface on the third semi-finished product；
Described first slightly cuts mold, second slightly cuts mold and fine cut mold is successively independently arranged or is set in turn in same set of company
In continuous stamping die.
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107317211B (en) * | 2017-07-03 | 2019-05-07 | 富加宜连接器（东莞）有限公司 | A kind of cutting structure of Reverse Turning Control terminal flash |
| 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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