CN110190000B - Production system of lead frame - Google Patents
Production system of lead frame Download PDFInfo
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- CN110190000B CN110190000B CN201910446063.2A CN201910446063A CN110190000B CN 110190000 B CN110190000 B CN 110190000B CN 201910446063 A CN201910446063 A CN 201910446063A CN 110190000 B CN110190000 B CN 110190000B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000009713 electroplating Methods 0.000 claims abstract description 199
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 18
- 239000000178 monomer Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 67
- 238000003825 pressing Methods 0.000 claims description 65
- 239000011265 semifinished product Substances 0.000 claims description 50
- 230000007246 mechanism Effects 0.000 claims description 42
- 239000000047 product Substances 0.000 claims description 20
- 230000007723 transport mechanism Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000007747 plating Methods 0.000 description 21
- 230000007306 turnover Effects 0.000 description 20
- 239000010410 layer Substances 0.000 description 17
- 230000009471 action Effects 0.000 description 10
- 238000005452 bending Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 238000002788 crimping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4821—Flat leads, e.g. lead frames with or without insulating supports
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4821—Flat leads, e.g. lead frames with or without insulating supports
- H01L21/4842—Mechanical treatment, e.g. punching, cutting, deforming, cold welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67196—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the construction of the transfer chamber
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67207—Apparatus for manufacturing or treating in a plurality of work-stations comprising a chamber adapted to a particular process
- H01L21/6723—Apparatus for manufacturing or treating in a plurality of work-stations comprising a chamber adapted to a particular process comprising at least one plating chamber
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67236—Apparatus for manufacturing or treating in a plurality of work-stations the substrates being processed being not semiconductor wafers, e.g. leadframes or chips
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
A production system of a lead frame belongs to the technical field of semiconductor production. Including the electroplating unit that sets gradually, upset unit and stubborn piece unit, wait to electroplate frame (4) and get into the upset unit behind the semi-manufactured goods of frame (10) of obtaining after accomplishing the electroplating in electroplating the unit, frame semi-manufactured goods (10) are front and back reciprocal reversal through upset storehouse (13) upset back, and place at upset output conveyer belt (15) surface, send to stubborn piece input conveyor belt (23) of stubborn piece unit by upset output conveyor belt (15), carry out stubborn piece and accomplish in the stubborn piece unit after the separation of frame monomer (35) and frame (37) in frame semi-manufactured goods (10), frame monomer (35) transfer to finished product district (28). Through the production system of the lead frame, the procedures of electroplating, overturning, slicing and the like in the production process of the lead frame are completed, the automation process of the lead frame is improved, and the abrasion of the lead frame in the transmission process is avoided.
Description
Technical Field
A production system of a lead frame belongs to the technical field of semiconductor production.
Background
The lead frame is used as a chip carrier of an integrated circuit, realizes the electrical connection between the leading-out end of an internal circuit of the chip and an external lead by means of bonding materials (gold wires, aluminum wires and copper wires), forms a key structural member of an electrical circuit, and plays a role of a bridge connected with an external lead. The lead frame is firstly required to be electroplated in the production process, a frame semi-finished product is obtained after the electroplating is finished, the structure of the frame semi-finished product is shown in fig. 15 and comprises a frame single body 35 and a frame 37 surrounding the outer ring of the frame single body 35, the frame single body 35 and the frame 37 are connected through a plurality of connecting sections 36, and finally the frame semi-finished product is required to be subjected to stubborn operation (commonly called stubborn in the industry), namely the frame single body 35 is separated from the frame 37, so that the independent frame single body 35 is obtained.
The following defects exist in the production process of the current lead frame:
(1) in the prior art, "stubborn piece" is accomplished by the manual work, and operating personnel hold tools such as scissors to cut off the connecting section 36 after taking off the semi-finished frame from waiting to cut the district, then put frame monomer 35 into the finished product district, accomplish a set of "stubborn piece" of waiting to cut the lead frame. However, the labor intensity is high when manual operation is finished, and the surface of the lead frame is easily scratched during manual operation, so that the product is damaged, and meanwhile, the automatic process for generating the lead frame is not facilitated.
(2) In the transmission process of the frame semiconductor after the electroplating is finished, the electroplated layer is contacted with the surface of the conveying belt, so the electroplated layer is easily abraded in the whole transmission process, and the appearance and the quality of the lead frame are greatly influenced.
(3) In the electroplating process, the frames to be electrically driven are generally needed to be electroplated one by one, so that the production efficiency is low.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the processes of electroplating, overturning, bending and the like in the production process of the lead frame are completed, the automation process of the lead frame is improved, and the production system of the lead frame, which is worn in the transmission process, of the lead frame is avoided.
The technical scheme adopted by the invention for solving the technical problems is as follows: this production system of lead frame, its characterized in that: including the electroplating unit that sets gradually, upset unit and stubborn piece unit, treat to electroplate and obtain the semi-manufactured goods of frame after the frame accomplishes electroplating in electroplating the unit, the semi-manufactured goods of frame gets into the upset unit after electroplating output conveyer belt output, be provided with the upset storehouse in the upset unit, the semi-manufactured goods of frame openly reverses each other with the back after the upset storehouse upset, and place at upset output conveyer belt surface, and shift to the stubborn piece input conveyor belt of stubborn piece unit by upset output conveyor belt, still be provided with stubborn piece platform and the finished product district that sets up side by side with stubborn piece input conveyor belt in stubborn piece unit, the semi-manufactured goods of frame carries out stubborn piece back in stubborn piece platform department, after the separation of frame monomer and frame in the semi-manufactured goods, the frame.
Preferably, in the turning unit, the turning output conveyor belt and the electroplating output conveyor belt are arranged at intervals, the turning bin is positioned between the turning output conveyor belt and the electroplating output conveyor belt, and the turning bin is driven by the turning wheel to swing back and forth at the tail end of the electroplating output conveyor belt and the starting end of the turning output conveyor belt;
the overturning bin comprises a bin body, the bin body is provided with a bin opening back to the overturning wheel, the frame semi-finished product enters and exits the overturning bin from the bin opening, a pressing mechanism is further arranged in the overturning bin, and the frame semi-finished product is pressed on the frame semi-finished product when entering the overturning bin and the overturning bin is overturned.
Preferably, the pressing mechanism comprises a turning cylinder, the turning cylinder is fixed on the upper surface inside the turning bin, a piston rod of the turning cylinder faces the lower surface of the turning bin, a turning pressure plate is fixed on the piston rod of the turning cylinder, and a rubber layer is arranged on the bottom surface of the turning pressure plate;
the lower surface of the turnover bin is simultaneously provided with a rubber layer which is positioned under the turnover pressure plate and embedded in the lower surface of the turnover bin.
Preferably, two overturning inductors are arranged on the upper surface of the opening of the overturning bin, and the pressing mechanism is positioned between the two overturning inductors.
Preferably, a strongbush electric sliding table is arranged above the strongbush input conveying belt, the strongbush table and the finished product area, a strongbush sliding block which moves back and forth is arranged on the strongbush electric sliding table, a sucking disc is arranged at the lower part of the strongbush sliding block, and the sucking disc is controlled to lift by an air cylinder;
a moving platform is arranged at the rear part of the stubborn piece table, clamping piece mechanisms for clamping the frame semi-finished product are respectively arranged on two sides of the moving platform, each clamping piece mechanism comprises two clamping pieces which are horizontally arranged, the two clamping pieces are arranged in an up-down symmetrical mode, the height of the frame semi-finished product on the surface of the stubborn piece table is between the two clamping pieces, and the inner sides of the two clamping pieces correspond to the frame of the frame semi-finished product up and down;
the moving platform is also provided with clamping cylinders respectively corresponding to the two clamping pieces, wherein a piston rod of the clamping cylinder corresponding to the upper clamping piece is vertically downward, a piston rod of the clamping cylinder corresponding to the lower clamping piece is vertically upward, and the clamping pieces are fixed with the piston rods of the corresponding clamping cylinders; two sides of the stubborn piece platform are respectively provided with a guide rail, and the movable platform reciprocates along the guide rails.
Preferably, moving platform be "T" form, its opening towards stubborn piece platform and its opening width is wider than stubborn piece platform, clamping piece mechanism sets up the both sides at the open end.
Preferably, each clamping piece corresponds to at least one clamping cylinder, and a piston rod of each clamping cylinder is fixedly connected with the corresponding clamping piece;
the clamping cylinder corresponding to the clamping piece at the lower part is fixed on the surface of the moving platform, the side part of the moving platform is provided with a fixing frame, and the clamping cylinder corresponding to the clamping piece at the upper part is fixed right above the corresponding clamping piece through the fixing frame.
Preferably, the electroplating unit comprises an electroplating electric sliding table, an electroplating input conveying belt and an electroplating output conveying belt are sequentially arranged below the electroplating electric sliding table, and a group of electroplating baths is arranged between the electroplating input conveying belt and the electroplating output conveying belt;
the electroplating device is characterized in that two groups of electroplating sliding blocks which move back and forth along the electroplating electric sliding table are arranged on the electroplating electric sliding table, two pressing die transfer mechanisms are fixed on one group of electroplating sliding blocks positioned on the front side along the advancing direction of the electroplating input conveying belt, and two material taking clamping jaw mechanisms are fixed on one group of electroplating sliding blocks positioned on the rear side.
Preferably, the material taking clamping jaw mechanism comprises a shell, wherein a material taking lifting cylinder is fixed at the upper part of the shell, a body of the material taking lifting cylinder is fixed at the lower part of the electroplating sliding block, a piston rod of the material taking lifting cylinder is vertically and downwards fixed with the shell, a group of material taking clamping jaw cylinders are fixed in the shell, the piston rods of the material taking clamping jaw cylinders are respectively led out from the front end face and the rear end face of the shell, and a plurality of material taking clamping jaws are fixed at the end parts of the piston rods of the material taking clamping jaw cylinders;
the pressing die transfer mechanism also comprises a shell, a pressing die lifting cylinder is fixed at the upper part of the shell, the body of the pressing die lifting cylinder is fixed at the lower part of the electroplating slide block, a piston rod of the pressing die lifting cylinder is vertically fixed with the shell downwards, a group of pressing die clamping jaw cylinders are fixed in the shell, the piston rods of the pressing die clamping jaw cylinders are respectively led out from the front end surface and the rear end surface of the shell, a plurality of pressing die clamping jaws are fixed at the end part of a piston rod of each pressing die clamping jaw cylinder side by side through a fixing plate after being led out, a pressing die cylinder is also arranged between the two pressing die clamping jaw cylinders, the piston rod of the;
the material taking clamping jaw and the pressing die clamping jaw are both long strips, a group of horizontal branches are fixed at the lower end of the material taking clamping jaw and are in an inverted F shape, and the surfaces provided with the horizontal branches are arranged oppositely.
Preferably, an electroplating inductor is arranged below the electroplating input conveyor belt, a group of electroplating stop rods are respectively arranged at the front side and the rear side of the electroplating inductor, a plurality of electroplating input conveyor belts are arranged along the corresponding conveying rollers, and the electroplating inductor is positioned between the two electroplating input conveyor belts; the electroplating baffle rod is also positioned below the electroplating input conveyor belt, and the output end of the electroplating baffle rod extends out of the gap between the electroplating input conveyor belts and protrudes out of the upper surface of the electroplating input conveyor belt after extending out.
Compared with the prior art, the invention has the beneficial effects that:
1. through the production system of the lead frame, the procedures of electroplating, overturning, slicing and the like in the production process of the lead frame are completed, the automation process of the lead frame is improved, and the abrasion of the lead frame in the transmission process is avoided.
2. Through setting up stubborn piece unit, can realize lead frame body and lead frame separation in the semi-manufactured goods of frame, avoid manual operation to cause the problem of lead frame surface fish tail easily, reduced intensity of labour simultaneously.
3. In the stubborn piece unit, be provided with the arch towards the surface of lead frame in the three branches of each piece clamping piece to strengthen the clamping degree of clamping piece and lead frame.
4. In the stubborn piece unit, moving platform is "T" form, and its open end is towards stubborn piece platform, and when moving platform moved to stubborn piece platform department of being convenient for, stubborn piece platform card was inboard at moving platform's opening.
5. Through the upset unit, realized the upset to the lead frame through the upset unit, the plating layer no longer with the conveyer belt contact after the lead frame upset, avoided the plating layer to take place wearing and tearing, guaranteed the performance of lead frame.
6. Through setting up the rubber layer, avoided compressing tightly the in-process to the lead frame, caused the damage to the surface of lead frame.
7. In the electroplating unit, the electroplating of two frames to be electroplated can be realized simultaneously, and the production efficiency is improved.
Drawings
Fig. 1 is a block diagram of a system for manufacturing lead frames.
Fig. 2 is a schematic diagram of a structure of an electroplating unit of the lead frame production system.
Fig. 3 is a left side view of a plating unit pick-up gripper mechanism of a lead frame manufacturing system.
Fig. 4 is a left side view of a die transfer mechanism of an electroplating unit of the lead frame production system.
Fig. 5 is a top view of an input conveyor belt of a plating unit of the lead frame manufacturing system.
Fig. 6 is a schematic diagram of a flip unit structure of a lead frame production system.
Fig. 7 is a schematic view of a turnover bin structure of a turnover unit of a lead frame production system.
Fig. 8 to 11 are schematic diagrams illustrating the working process of the turnover unit of the lead frame production system.
FIG. 12 is a structural diagram of a notch unit of a lead frame production system.
FIG. 13 is a top view of a crimping unit crimping region of a production system of lead frames.
FIG. 14 is a cross section elevation view of a cross section of a production system cross section of a lead frame.
Fig. 15 is a schematic diagram of a semi-finished lead frame structure.
Wherein: 1. electroplating electric sliding table 2, electroplating slide block 3, material taking clamping jaw mechanism 301, material taking lifting cylinder 302, material taking clamping jaw cylinder 303, material taking clamping jaw 4, frame to be electroplated 5, electroplating input conveying belt 6, guide pin 7, electroplating tank 8, pressing die transfer mechanism 801, pressing die lifting cylinder 802, pressing die clamping jaw cylinder 803, pressing die clamping jaw 804, pressing die cylinder 805, electroplating press plate 9, electroplating output conveying belt 10, frame semi-finished product 11, electroplating inductor 12, electroplating stop lever 13, overturning bin 14, overturning wheel 15, overturning output conveying belt 16, overturning inductor 17, electroplating layer 18, overturning cylinder 19, overturning press plate 20, rubber layer 21, bin body 22, stubborn piece sliding block 23, stubborn piece input conveying belt 24, sucking disc 25, air suction pipe 26, stubborn piece electric sliding table 27, The device comprises a stubborn piece table 28, a finished product area 29, a guide rail 30, a moving platform 31, a clamping cylinder 32, a clamping piece 33, a fixing frame 34, a protrusion 35, a frame single body 36, a connecting section 37 and a frame.
Detailed Description
Fig. 1 to 15 are preferred embodiments of the present invention, and the present invention will be further described with reference to fig. 1 to 15.
Example 1:
as shown in fig. 1, a lead frame production system comprises a pre-treatment unit, an electroplating unit, a turning unit, a post-treatment unit and a stubborn unit which are arranged in sequence, and with reference to fig. 2, a frame 4 to be electroplated enters the electroplating unit for electroplating after being subjected to pre-treatment procedures such as feeding, oil removal, acid neutralization, pre-copper plating, replacement prevention and the like in the pre-treatment unit, a semi-finished frame 10 is obtained after electroplating, an electroplated layer 17 (shown in fig. 5) of the semi-finished frame 10 is in surface contact with an electroplated output conveyor belt 9 when the semi-finished frame 10 is output from the electroplating unit, the semi-finished frame 10 is conveyed to the turning unit through the electroplated output conveyor belt 9, the electroplated layer 17 is not in contact with a subsequent conveyor belt after being turned by the turning unit and enters the post-treatment unit, and the post-treatment procedures such as silver stripping, post-acid, copper oxidation prevention, and finally obtaining the frame monomer 35 after the stubborn unit stubborn.
The processes of feeding, oil removal, acid neutralization, copper preplating, replacement prevention and the like in the pretreatment unit and the processes of silver stripping, acid postoxidation prevention, silver colloid diffusion prevention, drying and the like in the post-treatment unit belong to conventional means in the field, and are not improved in the application, so the structure and the working process are not repeated.
As shown in fig. 2, the electroplating unit includes an electroplating electric sliding table 1, a plurality of electroplating sliding blocks 2 reciprocating along the electroplating electric sliding table 1 are arranged on the electroplating electric sliding table 1, the electroplating sliding blocks 2 realize sliding along the electroplating electric sliding table 1 by conventional means in the field, the electroplating electric sliding table 1 preferably adopts a screw rod transmission mode, a driving motor of the electroplating electric sliding table 1 is realized by a servo motor, and accurate positioning of movement of the electroplating sliding blocks 2 is ensured.
An electroplating input conveying belt 5, an electroplating tank 7 and an electroplating output conveying belt 9 are sequentially arranged below the electroplating electric sliding table 1, a frame 4 to be electroplated enters an electroplating unit under the driving of the electroplating input conveying belt 5 and is sequentially transferred into the electroplating tank 7 for electroplating under the action of an electroplating slider 2, a frame semi-finished product 10 obtained after the electroplating in the electroplating tank 7 is transferred onto the electroplating output conveying belt 9 from the electroplating slider 2 again, and the frame semi-finished product is transferred out of the electroplating unit from the electroplating output conveying belt 9. The operation of the plating input conveyor 5 and the plating output conveyor 9 is realized by the controller.
Foretell electroplating slider 2 is provided with two sets ofly, connects through a connecting rod respectively between two electroplating sliders 2 of every group, has guaranteed that the distance between two electroplating sliders 2 of every group can not change when removing, along electroplating input conveyor belt 5's direction of advance, is located a set of electroplating slider 2 of front side and is fixed with two moulding-die transport mechanism 8 respectively. Two material taking clamping jaw mechanisms 3 are respectively fixed on a group of electroplating sliding blocks 2 positioned at the rear side.
With reference to fig. 3 to 4, the material taking clamping jaw mechanism 3 includes a housing, a material taking lifting cylinder 301 is fixed on the upper portion of the housing, a body of the material taking lifting cylinder 301 is fixed on the lower portion of the electroplating slide block 2, a piston rod of the material taking lifting cylinder is vertically fixed with the housing downward, a group of material taking clamping jaw cylinders 302 are fixed in the housing, the piston rods of the material taking clamping jaw cylinders 302 are respectively led out from the front end face and the rear end face of the housing, and a plurality of material taking clamping jaws 303 are fixed on the end portions of the piston rods of the material taking.
The material taking clamping jaw 303 is long-strip-shaped, a group of horizontal branches are fixed at the lower end of the material taking clamping jaw 303 and are in an inverted F shape, and the surfaces, provided with the horizontal branches, of the material taking clamping jaws 303 on the front side and the rear side are arranged oppositely.
The pressing die transfer mechanism 8 also comprises a shell, a pressing die lifting cylinder 801 is fixed on the upper portion of the shell, the body of the pressing die lifting cylinder 801 is fixed on the lower portion of the electroplating sliding block 2, a piston rod of the pressing die lifting cylinder 801 is vertically and downwards fixed with the shell, a group of pressing die clamping jaw cylinders 802 are fixed in the shell, the piston rods of the pressing die clamping jaw cylinders 802 are respectively led out from the front end face and the rear end face of the shell, and a plurality of pressing die clamping jaws 803 are fixed on the end portion of the piston rod of each pressing die clamping jaw. A die clamping cylinder 804 is further arranged between the two die clamping jaw cylinders 802, a piston rod of the die clamping cylinder 804 is led out from the bottom surface of the shell, and an electroplating pressing plate 805 is fixed at the end of the piston rod.
The die clamping jaw 803 has the same structure as the material taking clamping jaw 303, is in a strip shape, is fixed with a group of horizontal branches at the lower end thereof, is in an inverted F shape, and is oppositely arranged at the side, provided with the horizontal branches, of the die clamping jaw 803 at the front side and the back side.
As shown in fig. 5, a plating sensor 11 is disposed below the plating input conveyor 5, a set of plating stop rods 12 is disposed on each of front and rear sides (along a running direction of the plating input conveyor 5) of the plating sensor 11, the plating input conveyor 5 is provided with a plurality of plating stop rods along corresponding conveyor rollers, the plating sensor 11 is disposed between two plating input conveyors 5, and the plating sensor 11 can be implemented by a capacitive proximity sensor or an inductive proximity sensor. The electroplating stop rod 12 is also located below the electroplating input conveyor 5, the electroplating stop rod 12 can be realized by a cylinder, and when the electroplating stop rod 12 extends out, the output end of the electroplating stop rod extends out from the gap between the electroplating input conveyor 5 and protrudes out of the upper surface of the electroplating input conveyor 5.
When the frame 4 to be electroplated is transmitted on the surface of the electroplating input conveyor belt 5, when the vehicle travels to the electroplating sensor 11, the electroplating sensor 11 senses the frame 4 to be electroplated and then sends a control signal to the controller, the controller controls the two groups of electroplating gear rods 12 to rise after delaying for a certain time, the delayed time can be obtained by the ratio of the length of the single electroplating frame 4 to the conveyor belt transmission speed, when the two groups of electroplating gear rods 12 rise, the first frame 4 to be electroplated is transferred between the two groups of electroplating gear rods 12 and then is shielded by the group of electroplating gear rods 12 on the front side (along the operation direction of the electroplating input conveyor belt 5) and does not move forward, and then the second frame 4 to be electroplated is shielded by the group of electroplating gear rods 12 on the rear side and does not move forward, and meanwhile, the relative positions of the two frames 4 to be electroplated are determined.
After the two frames 4 to be electroplated are positioned on the surface of the electroplating input conveyor belt 5, the two frames are respectively positioned under the two material taking clamping jaw mechanisms 3, the controller controls the material taking clamping jaw cylinder 302 to output so as to separate the material taking clamping jaws 303 and drive the material taking lifting cylinder 301 to output, when the lower end of the material taking clamping jaw 303 is positioned at the lower part of the frame 4 to be electroplated, the material taking clamping jaw cylinder 302 retracts to fold the material taking clamping jaw 303, the horizontal branch at the lower end of the material taking clamping jaw 303 is clamped at the bottom of the frame 4 to be electroplated after being folded, then the material taking lifting cylinder 301 retracts to lift the frame 4 to be electroplated, the electroplating slide block 2 corresponding to the material taking clamping jaw mechanism 3 moves to the upper part of the electroplating bath 7, then the material taking clamping jaw cylinder 302 outputs, the frame 4 to be electroplated falls on the surface of the corresponding electroplating bath 7 for electroplating, the take-out gripper mechanism 3 is then moved over the plating input conveyor 5 in preparation for transfer to a subsequent frame 4 to be plated.
The notch of the electroplating bath 7 is provided with a guide needle 6, after the electroplating frame 4 falls down, the aligning holes around fall on the guide needle 6, and the final guide is completed through the inclination of the guide needle 6. After the material taking clamping jaw mechanism 3 moves to the position above the electroplating input conveyor belt 5, the pressing die transfer mechanism 8 simultaneously moves to the position above the electroplating bath 7, the controller controls the output of the pressing die clamping jaw cylinder 802 to separate the pressing die clamping jaws 803 and drive the output of the pressing die lifting cylinder 801, when the lower ends of the pressing die clamping jaws 803 are positioned at the lower part of the frame 4 to be electroplated, the output of the pressing die cylinder 804 presses the frame 4 to be electroplated on the surface of the electroplating bath 7 through the electroplating press plate 805 to complete electroplating, a frame semi-finished product 10 is obtained after electroplating is completed, then the pressing die clamping jaw cylinder 802 retracts to fold the pressing die clamping jaws 803, the horizontal branches at the lower ends of the folded pressing die clamping jaws 803 are clamped at the bottom of the frame semi-finished product 10, then the pressing die.
As shown in fig. 6, the above-mentioned reversing unit includes a reversing output conveyor 15, and the reversing output conveyor 15 and the plating output conveyor 9 are disposed at intervals. Be provided with tilting mechanism between electroplating output conveyer belt 9 and upset output conveyer belt 15, tilting mechanism includes upset wheel 14 and upset storehouse 13, and after electroplating output conveyer belt 9 transmission's frame semi-manufactured goods 10 got into upset storehouse 13, upset storehouse 13 overturns 180 under the drive of upset wheel 14, and the upset is accomplished the butt joint of back frame semi-manufactured goods 10 and upset output conveyer belt 15, continues to carry frame semi-manufactured goods 10 by upset output conveyer belt 15.
When the frame semi-finished product 10 is conveyed on the surface of the electroplating output conveyor belt 9, the electroplated layer 17 on the surface of the frame semi-finished product 10 is in surface contact with the electroplating output conveyor belt 9, and after the frame semi-finished product is turned over by the turning mechanism, the turning output conveyor belt 15 is in back contact with the electroplated layer 17, so that the electroplated layer 17 is prevented from being worn on the surface of the turning output conveyor belt 15. Because the contact surfaces of the electroplating output conveyor belt 9 and the overturning output conveyor belt 15 and the frame semi-finished product 10 change before and after overturning, the overturning output conveyor belt 15 is higher than the electroplating output conveyor belt 9 to smoothly complete butt joint.
As shown in fig. 7, the turning bin 13 includes a bin body 21, the bin body 21 is provided with a bin opening back to the turning wheel 14, the tail of the bin body 21 is fixed with the turning wheel 14, and the turning wheel 14 is driven by a servo motor, so that the accurate control of the rotation angle can be realized. The wall of the bin body 21 is a hollow structure to form an interlayer. In the turning unit, the position of the turning bin 13 when the bin opening faces the plating output conveyor belt 9 is recorded as the initial position of the turning bin 13.
Two overturning inductors 16 are arranged on the upper surface of the inner cavity of the overturning bin 13, wherein one of the overturning inductors is positioned at the bin opening of the overturning bin 13; the other is positioned at the inner side of the overturning bin 13, and the overturning inductors 16 are realized by adopting capacitance type proximity sensors or inductance type proximity sensors. A turnover cylinder 18 is arranged between the two turnover sensors 16, and a pipeline for controlling the turnover cylinder 18 is led out from the interlayer of the bin wall of the bin body 21. The piston rod of the overturning cylinder 18 is vertically downward, an overturning pressing plate 19 is fixed at the tail end of the piston rod of the overturning cylinder 18, rubber layers 20 are respectively arranged on the lower surface and under the overturning pressing plate 19, the rubber layers 20 under the overturning pressing plate 19 are embedded into the lower surface of the bin body 21, and damage to the surface of the frame semi-finished product 10 in the pressing process of the frame semi-finished product 10 is avoided by arranging the rubber layers 20.
As shown in fig. 8 to 11, the lower surface inside the bin body 21 is flush with the transmission surface of the electroplating output conveyor belt 9, so that the frame semi-finished product 10 enters the inner cavity of the bin body 21 along with the electroplating output conveyor belt 9, after the frame semi-finished product 10 enters the bin body 21, the turning sensor 16 detects the frame semi-finished product 10 and then transmits a signal to an external controller, when the two turning sensors 16 detect the frame semi-finished product 10, the controller simultaneously controls the turning cylinder 18 to move, and after the turning cylinder 18 moves, the turning press plate 19 is driven by the piston rod of the turning cylinder 18 to press the surface of the frame semi-finished product 10.
The controller controls a servo motor driving the turnover wheel 14 to act to work, and the turnover wheel 14 stops rotating after being turned over for 160-179 degrees. At this time, the part of the frame semi-finished product 10 left outside the bin body 21 is already set up on the surface of the turnover output conveyor belt 15, the controller controls the turnover output conveyor belt 15 to work and controls the piston rod of the turnover cylinder 18 to retract, and the turnover output conveyor belt 15 continues to convey the frame semi-finished product 10. When the two overturning sensors 16 cannot detect the frame semi-finished product 10, the controller controls the servo motor to rotate reversely again, the overturning wheel 14 drives the overturning bin 13 to return to the initial position, and the operation is repeated.
After being output from the overturning unit, the frame semi-finished product 10 is sequentially subjected to post-treatment processes such as silver stripping, acid removing, copper oxidation resistance, silver glue diffusion resistance, drying and the like, and then is conveyed to the stubborn unit through a conveying belt.
As shown in fig. 12, the stubborn sheet unit includes a stubborn sheet input conveyor belt 23, a stubborn sheet area and a finished product area 28, which are arranged side by side, the stubborn sheet input conveyor belt 23 transfers the post-processed frame semi-finished product 10 into the stubborn sheet unit one by one, a stubborn sheet sensor and a set of stubborn sheet blocking rods (not shown in the figure) are arranged below the stubborn sheet input conveyor belt 23, the stubborn sheet sensor is implemented by using a capacitive proximity sensor or an inductive proximity sensor which is the same as the electroplating sensor 11, and the stubborn sheet blocking rods are implemented by using the same technical scheme as the electroplating blocking rods 12. After the semi-finished frame product 10 is sensed by the kinking piece sensor, the kinking piece blocking rod is lifted to block the semi-finished frame product 10.
The electric bending piece sliding table 26 is horizontally arranged above the bending piece input conveying belt 23, the bending piece area and the finished product area 28, the bending piece sliding block 22 which reciprocates along the bending piece electric sliding table 26 is arranged on the bending piece electric sliding table 26, and the bending piece electric sliding table 26 and the bending piece sliding block 22 are realized by adopting the scheme the same as that of the electroplating electric sliding table 1 and the electroplating sliding block 2.
An air cylinder (or a linear motor) is further arranged in the stubborn piece sliding block 22, the output end of the air cylinder is led out from the bottom of the stubborn piece sliding block 22 and is fixedly provided with a sucking disc 24, and the air suction pipe 25 is connected with the sucking disc 24 to suck the semi-finished frame product 10. After the semi-finished frame 10 is blocked by the stubborn piece stopper rod, the stubborn piece slider 22 drives the sucker 24 to move to the upper rear cylinder output of the stubborn piece input conveyor belt 23, the sucker 24 is attached to the semi-finished frame 10, the air suction pipe 25 sucks air, the sucker 24 sucks up the semi-finished frame 10 at the moment, the cylinder resets and sucks up the semi-finished frame 10 at the moment, then the stubborn piece slider 22 moves the semi-finished frame 10 to the top of the stubborn piece area, the cylinder descends to place the semi-finished frame 10 to the surface of the stubborn piece platform 27 in the stubborn piece area, after the stubborn piece is completed, the semi-finished frame 10 completing the stubborn piece is under the action of the sucker 24, and the stubborn piece slider 22 is transferred to.
As shown in fig. 13 to 14, a clamping mechanism for separating the frame single body 35 from the frame 37 is arranged behind the stubborn platform 27 in the stubborn region. The clamping mechanism comprises two guide rails 29 arranged on two sides of the stubborn piece table 27, and a moving platform 30 moving back and forth along the guide rails 29 is placed on the two guide rails 29. The moving platform 30 is in a T shape, the opening end of the moving platform faces the stubborn piece table 27, and when the moving platform 30 moves to the stubborn piece table 27, the stubborn piece table 27 is clamped on the inner side of the opening of the moving platform 30.
Be provided with two clamping pieces 32 in the arbitrary one side of moving platform 30 open end, two clamping pieces 32 longitudinal symmetry set up, after stubborn piece platform 27 is located moving platform 30's open end inboard, place frame semi-manufactured goods 10 on stubborn piece platform 27 between two clamping pieces 32 about being located, and the edge of clamping piece 32 is located frame 37 and corresponds from top to bottom, and the both sides of moving platform 30 open end are provided with a set of clamping piece 32 respectively and are corresponding with frame semi-manufactured goods 10.
Each clamping piece 32 is driven by a corresponding clamping cylinder 31 to act, the clamping cylinder 31 corresponding to the lower clamping piece 32 is fixed on the surface of the moving platform 30 at any side of the moving platform 30, a piston rod of the clamping cylinder is vertically upward, and the lower clamping piece 32 is erected above and fixed on the piston rods of the front and rear clamping cylinders 31. A fixing frame 33 is arranged on the outer side of the moving platform 30, a clamping cylinder 31 is respectively fixed on the end part of the fixing frame 33, a piston rod of the clamping cylinder 31 fixed by the fixing frame 33 is vertically downward, and a clamping piece 32 on the upper part is fixed on the piston rod of the clamping cylinder 31, so that the upper clamping piece 32 and the lower clamping piece 32 are fixed through two groups of clamping cylinders 31 on any side of the opening end of the moving platform 30 to drive the clamping pieces 32 to move. The clamping cylinder 31 is preferably implemented as a two-axis cylinder.
The clamping piece 32 is in an "E" shape, and its three branches horizontally arranged face the frame semi-finished product 10, and the connecting parts of the three branches are fixed with the corresponding clamping cylinders 31. The ends of the three branches of the clip 32 correspond to the frame rim 37 up and down, and the surface of the three branches of each clip 32 facing the frame rim 37 is further provided with a protrusion 34 to enhance the clamping degree of the clip 32 and the frame rim 37. The number of branches provided on the clips 32 may also be increased or decreased according to the variation in the size of the frame blank 10.
The moving platform 30 moves to the stubborn piece table 27, at this time, the frame semi-finished product 10 is located between two clamping pieces 32 on two sides of the moving platform 30, wherein the clamping piece 32 on the lower portion moves upwards under the action of the corresponding clamping cylinder 31, the clamping piece 32 on the upper portion moves downwards under the action of the corresponding clamping cylinder 31, and the frame 37 is clamped from two sides after the action of the clamping cylinder 31 is completed. After the clamping piece 32 clamps the frame 37, the clamping cylinder 31 continues to act: the piston rods of the plurality of clamping cylinders 31 fixed on both sides of the moving platform 30 by the fixing frame 33 and positioned at the upper part continue to output downwards, while the piston rods of the clamping cylinders 31 fixed on the surface of the moving platform 30 retract, and after the lower clamping cylinders 31 retract to the initial position, the output of the upper clamping cylinders 31 stops. Then the lower clamping cylinder 31 outputs and the piston rod of the upper clamping cylinder 31 retracts, after the upper clamping cylinder 31 retracts to the initial position, the upper clamping cylinder 31 continues to output and the lower clamping cylinder 31 retracts, and the reciprocating operation is repeated for a plurality of times, so that the connecting section 36 connecting the frame single body 35 and the frame 37 is torn off, and the buckling piece is completed. After the stubborn piece is completed, the separated frame monomer 35 is transferred to the surface of the finished product area 28 through the stubborn piece sliding block 22 under the action of the sucking disc 24, meanwhile, the moving platform 30 is withdrawn, the separated frame 37 is separated from the stubborn piece table 27, and the process is repeated.
The working principle of the specific working process is as follows:
the frame 4 to be electroplated is transmitted on the surface of the electroplating input conveyor belt 5 after being subjected to pretreatment processes such as feeding, oil removal, acid neutralization, copper preplating and replacement prevention, when the frame 4 to be electroplated is driven to the electroplating sensor 11, the electroplating sensor 11 senses the frame 4 to be electroplated and then sends a control signal to the controller, the controller delays for a certain time and then controls the two groups of electroplating gear rods 12 to rise, when the two groups of electroplating gear rods 12 rise, the first frame 4 to be electroplated is transferred between the two groups of electroplating gear rods 12 and then is shielded by the electroplating gear rod 12 on the front side, the second frame 4 to be electroplated is shielded by the electroplating gear rod 12 on the rear side, and the two frames 4 to be electroplated are electroplated on the surface of the input conveyor belt 5 according to a preset interval and are positioned under the two material taking clamping jaw mechanisms 3.
The controller controls the material taking clamping jaw cylinder 302 to output to separate the material taking clamping jaws 303 and drive the material taking lifting cylinder 301 to output, when the lower ends of the material taking clamping jaws 303 are positioned at the lower part of the frame 4 to be electroplated, the material taking clamping jaw cylinder 302 retracts to fold the material taking clamping jaws 303, the horizontal branches at the lower ends of the material taking clamping jaws 303 are clamped at the bottom of the frame 4 to be electroplated after being folded, the material taking lifting cylinder 301 retracts to lift the frame 4 to be electroplated, the electroplating slide block 2 corresponding to the material taking clamping jaw mechanism 3 moves to the upper part of the electroplating bath 7, then the material taking lifting cylinder 301 extends out, the frame 4 to be electroplated is positioned on the surface of the electroplating bath 7 under the driving of the material taking clamping jaws 303, then the material taking. The take-out gripper mechanism 3 is then moved over the plating input conveyor 5 in preparation for transfer to a subsequent frame 4 to be plated.
The notch of the electroplating bath 7 is provided with a guide needle 6, after the electroplating frame 4 is placed on the surface of the electroplating bath 7 and falls down, the alignment holes on the periphery fall on the guide needle 6, and final guide is completed through the inclination of the guide needle 6. After the material taking clamping jaw mechanism 3 moves to the position above the electroplating input conveyor belt 5, the pressing die transfer mechanism 8 simultaneously moves to the position above the electroplating tank 7, the controller controls the output of the pressing die clamping jaw cylinder 802 to separate the pressing die clamping jaws 803 and drive the pressing die lifting cylinder 801 to output, when the lower ends of the pressing die clamping jaws 803 are located at the lower part of the frame 4 to be electroplated, the output of the pressing die cylinder 804 presses the frame 4 to be electroplated on the surface of the electroplating tank 7 through the electroplating pressing plate 805 to complete electroplating, and after the electroplating is completed, the frame semi-finished. After the electroplating is finished, firstly, the film pressing cylinder 804 retracts to lift the electroplating pressing plate 805, then the film pressing clamping jaw cylinder 802 retracts to fold the film pressing clamping jaws 803, the horizontal branches at the lower ends of the folded film pressing clamping jaws 803 are clamped at the bottom of the frame semi-finished product 10, then, the film pressing lifting cylinder 801 retracts to lift the frame semi-finished product 10, then, the frame semi-finished product is transferred to the electroplating output conveyor belt 9 to be transferred out of the electroplating unit, and the frame semi-finished product enters the overturning.
After entering the overturning unit, after the frame semi-finished product 10 enters the inner cavity of the bin body 21 under the driving of the electroplating output conveyor belt 9, after the frame semi-finished product 10 enters the bin body 21, the overturning sensor 16 detects that the frame semi-finished product 10 is followed by transmitting a signal to an external controller, when the two overturning sensors 16 detect the frame semi-finished product 10, the controller simultaneously controls the overturning cylinder 18 to move, and after the overturning cylinder 18 moves, the overturning pressing plate 19 is driven by the piston rod of the overturning cylinder 18 to press down on the surface of the frame semi-finished product 10.
The controller controls a servo motor driving the turnover wheel 14 to act to work, and the turnover wheel 14 stops rotating after being turned over for 160-179 degrees. At this time, the part of the frame semi-finished product 10 left outside the bin body 21 is already set up on the surface of the turnover output conveyor belt 15, the controller controls the piston rod of the turnover cylinder 18 to retract, and the turnover output conveyor belt 15 continues to convey the frame semi-finished product 10. When the two overturning sensors 16 cannot detect the frame semi-finished product 10, the controller controls the servo motor to rotate reversely again, and the overturning wheel 14 drives the overturning bin 13 to return to the initial position.
After the overturning is completed, the semi-finished frame 10 is sequentially subjected to post-treatment processes such as silver stripping, post-acid treatment, copper oxidation resistance, silver glue diffusion resistance, drying and the like, and then is conveyed to the stubborn unit through a conveying belt.
In the kinking unit, after the semi-finished frame product 10 is sensed by the kinking sensor, the kinking blocking rod is lifted to block the semi-finished frame product 10. Then stubborn piece slider 22 drives sucking disc 24 and absorbs the semi-manufactured goods of frame 10, and the cylinder resets this moment and absorbs the semi-manufactured goods of frame 10, then stubborn piece slider 22 removes the semi-manufactured goods of frame 10 to stubborn piece district top, and the cylinder descends and transfers the semi-manufactured goods of frame 10 to stubborn piece platform 27 surface in stubborn piece district.
The moving platform 30 moves to the stubborn piece table 27, at this time, the frame semi-finished product 10 is located between two clamping pieces 32 on two sides of the moving platform 30, wherein the clamping piece 32 on the lower portion moves upwards under the action of the corresponding clamping cylinder 31, the clamping piece 32 on the upper portion moves downwards under the action of the corresponding clamping cylinder 31, and the frame 37 is clamped from two sides after the action of the clamping cylinder 31 is completed. After the clamping piece 32 clamps the frame 37, the clamping cylinder 31 continues to act: the piston rods of the plurality of clamping cylinders 31 fixed on both sides of the moving platform 30 by the fixing frame 33 and positioned at the upper part continue to output downwards, while the piston rods of the clamping cylinders 31 fixed on the surface of the moving platform 30 retract, and after the lower clamping cylinders 31 retract to the initial position, the output of the upper clamping cylinders 31 stops. Then the lower clamping cylinder 31 outputs and the piston rod of the upper clamping cylinder 31 retracts, after the upper clamping cylinder 31 retracts to the initial position, the upper clamping cylinder 31 continues to output and the lower clamping cylinder 31 retracts, and the reciprocating operation is repeated for a plurality of times, so that the connecting section 36 connecting the frame single body 35 and the frame 37 is torn off, and the buckling piece is completed. After the stubborn piece is completed, the separated frame monomer 35 is transferred to the surface of the finished product area 28 through the stubborn piece sliding block 22 under the action of the sucking disc 24, meanwhile, the moving platform 30 is withdrawn, the separated frame 37 is separated from the stubborn piece table 27, and the process is repeated.
The controller may be implemented by a commercially available PLC or a single chip, and the controller is common knowledge in the art for controlling the servo motor, the conveyor belt (corresponding driving motor) and the air cylinder, and the connection between the proximity sensor and the input/output port of the controller is also common practice of those skilled in the art, and therefore, will not be described herein again.
Example 2:
in this embodiment, stubborn piece inductor and stubborn piece shelves pole that 23 departments of stubborn piece input conveyer belt set up adopt with electroplate 5 departments of input conveyer belt and electroplate inductor 11 and electroplate the technical scheme that shelves pole 12 is the same completely, can realize sheltering from two semi-manufactured frame products 10, the sucking disc 24 of stubborn piece slider 22 and its lower part is provided with two respectively simultaneously, shift two semi-manufactured frame products 10 simultaneously, stubborn piece platform 27 also is provided with two, carry out stubborn piece operation to two semi-manufactured frame products 10 simultaneously.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (10)
1. A production system of a lead frame is characterized in that: comprises an electroplating unit, a turning unit and a stubborn unit which are arranged in sequence, a semi-finished frame (10) is obtained after a frame (4) to be electroplated is electroplated in the electroplating unit, the semi-finished frame (10) enters the turning unit after being output by an electroplating output conveyor belt (9), a turning bin (13) is arranged in the turning unit, the semi-finished frame (10) is turned by the turning bin (13) and then the front side and the back side of the semi-finished frame are reversed, the semi-finished frame is placed on the surface of a turning output conveyor belt (15) and transferred to a stubborn sheet input conveyor belt (23) of the stubborn unit by the turning output conveyor belt (15), a stubborn sheet table (27) and a finished product area (28) which are arranged side by side with the stubborn sheet input conveyor belt (23) are also arranged in the stubborn sheet unit, after the semi-finished frame (10) is stubborn sheet at the stubborn sheet table (27), a frame monomer (35) is, the frame unit (35) is transferred to the finished product area (28).
2. The lead frame production system according to claim 1, characterized in that: in the overturning unit, an overturning output conveyor belt (15) and an electroplating output conveyor belt (9) are arranged at intervals, the overturning bin (13) is positioned between the overturning output conveyor belt (15) and the electroplating output conveyor belt (9), and the overturning bin (13) is driven by an overturning wheel (14) to swing back and forth at the tail end of the electroplating output conveyor belt (9) and the starting end of the overturning output conveyor belt (15);
the overturning bin (13) comprises a bin body (21), the bin body (21) is provided with a bin opening back to the overturning wheel (14), the frame semi-finished product (10) enters the overturning bin (13) from the bin opening, a pressing mechanism is further arranged in the overturning bin (13), and the frame semi-finished product (10) is pressed by the pressing mechanism in the process of entering the overturning bin (13) and overturning the overturning bin (13).
3. The lead frame production system according to claim 2, characterized in that: the pressing mechanism comprises a turning cylinder (18), the turning cylinder (18) is fixed on the upper surface inside the turning bin (13), a piston rod of the turning cylinder (18) faces the lower surface of the turning bin (13), a turning pressing plate (19) is fixed on the piston rod of the turning cylinder (18), and a rubber layer (20) is arranged on the bottom surface of the turning pressing plate (19);
the lower surface of the turning bin (13) is simultaneously provided with a rubber layer (20), and the rubber layer (20) is positioned under the turning pressure plate (19) and embedded in the lower surface of the turning bin (13).
4. The lead frame production system according to claim 2, characterized in that: two overturning inductors (16) are arranged on the upper surface of the bin opening of the overturning bin (13), and the pressing mechanism is located between the two overturning inductors (16).
5. The lead frame production system according to claim 1, characterized in that: a kinked sheet electric sliding table (26) is arranged above the kinked sheet input conveying belt (23), the kinked sheet table (27) and the finished product area (28), a kinked sheet sliding block (22) which moves in a reciprocating mode is arranged on the kinked sheet electric sliding table (26), a sucking disc (24) is arranged on the lower portion of the kinked sheet sliding block (22), and the sucking disc (24) is controlled to lift by an air cylinder;
a moving platform (30) is arranged at the rear part of the stubborn table (27), clamping piece mechanisms for clamping the frame semi-finished product (10) are respectively arranged at two sides of the moving platform (30), each clamping piece mechanism comprises two clamping pieces (32) which are horizontally arranged, the two clamping pieces (32) are arranged in an up-and-down symmetrical mode, the height of the frame semi-finished product (10) on the surface of the stubborn table (27) is between the two clamping pieces (32), and the inner sides of the two clamping pieces (32) correspond to the frame (37) of the frame semi-finished product (10) up and down;
the moving platform (30) is also provided with clamping cylinders (31) which correspond to the two clamping pieces (32) respectively, wherein piston rods of the clamping cylinders (31) which correspond to the upper clamping pieces (32) are vertically downward, piston rods of the clamping cylinders (31) which correspond to the lower clamping pieces (32) are vertically upward, and the clamping pieces (32) are fixed with the piston rods of the corresponding clamping cylinders (31); two sides of the stubborn piece table (27) are respectively provided with a guide rail (29), and the movable platform (30) reciprocates along the guide rails (29).
6. The lead frame production system according to claim 5, wherein: the moving platform (30) is T-shaped, the opening of the moving platform faces the stubborn platform (27), the opening width of the moving platform is wider than that of the stubborn platform (27), and the clamping piece mechanisms are arranged on two sides of the opening end.
7. The lead frame production system according to claim 5, wherein: each clamping piece (32) corresponds to at least one clamping cylinder (31), and a piston rod of each clamping cylinder (31) is fixedly connected with the corresponding clamping piece (32);
the clamping cylinder (31) corresponding to the clamping piece (32) at the lower part is fixed on the surface of the movable platform (30), a fixing frame (33) is arranged at the side part of the movable platform (30), and the clamping cylinder (31) corresponding to the clamping piece (32) at the upper part is fixed right above the corresponding clamping piece (32) through the fixing frame (33).
8. The lead frame production system according to claim 1, characterized in that: the electroplating unit comprises an electroplating electric sliding table (1), an electroplating input conveying belt (5) and an electroplating output conveying belt (9) are sequentially arranged below the electroplating electric sliding table (1), and two electroplating baths (7) are arranged between the electroplating input conveying belt (5) and the electroplating output conveying belt (9);
set up two sets of along electroplating electric sliding table (1) reciprocating motion's electroplating slider (2) on electroplating electric sliding table (1), every group includes two electroplating slider (2), along the direction of advance of electroplating input conveyer belt (5), is located two electroplating slider (2) of front side and is fixed with two moulding-die transport mechanism (8), is located two electroplating slider (2) of rear side and is fixed with two and gets material clamping jaw mechanism (3).
9. The lead frame production system according to claim 8, wherein: the material taking clamping jaw mechanism (3) comprises a shell, wherein a material taking lifting cylinder (301) is fixed to the upper portion of the shell, a body of the material taking lifting cylinder (301) is fixed to the lower portion of an electroplating sliding block (2), a piston rod of the material taking lifting cylinder is vertically fixed to the shell downwards, two material taking clamping jaw cylinders (302) are fixed to the shell, the piston rods of the material taking clamping jaw cylinders (302) are respectively led out from the front end face and the rear end face of the shell, and a plurality of material taking clamping jaws (303) are fixed to the end portion of the piston rod of each material taking clamping jaw cylinder (302);
the die transfer mechanism (8) also comprises a shell, a die lifting cylinder (801) is fixed at the upper part of the shell, the body of the die lifting cylinder (801) is fixed at the lower part of the electroplating slide block (2), a piston rod of the die lifting cylinder is vertically fixed with the shell downwards, two die clamping jaw cylinders (802) are fixed in the shell, the piston rods of the die clamping jaw cylinders (802) are respectively led out from the front end surface and the rear end surface of the shell, a plurality of die clamping jaws (803) are fixed at the end part of the piston rod of each die clamping jaw cylinder (802) side by side through a fixing plate after being led out, a die cylinder (804) is further arranged between the two die clamping jaw cylinders (802), the piston rod of the die cylinder (804) is led out from the bottom surface of the shell;
the material taking clamping jaw (303) and the pressing die clamping jaw (803) are both strip-shaped, a group of horizontal branches are fixed at the lower ends of the strip-shaped material taking clamping jaw and the pressing die clamping jaw, the strip-shaped material taking clamping jaw is inverted 'F' -shaped, and one surfaces provided with the horizontal branches are arranged oppositely.
10. The lead frame production system according to claim 8, wherein: an electroplating inductor (11) is arranged below the electroplating input conveyor belts (5), a group of electroplating stop rods (12) are respectively arranged at the front side and the rear side of the electroplating inductor (11), a plurality of electroplating input conveyor belts (5) are arranged along corresponding conveyor rollers, and the electroplating inductor (11) is positioned between the two electroplating input conveyor belts (5); the electroplating baffle rod (12) is also positioned below the electroplating input conveyor belt (5), and after the electroplating baffle rod (12) extends out, the output end extends out from the gap between the electroplating input conveyor belts (5) and protrudes out of the upper surface of the electroplating input conveyor belt (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446063.2A CN110190000B (en) | 2019-05-27 | 2019-05-27 | Production system of lead frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446063.2A CN110190000B (en) | 2019-05-27 | 2019-05-27 | Production system of lead frame |
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| CN110190000A CN110190000A (en) | 2019-08-30 |
| CN110190000B true CN110190000B (en) | 2020-10-13 |
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| CN201910446063.2A Active CN110190000B (en) | 2019-05-27 | 2019-05-27 | Production system of lead frame |
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| CN112663123B (en) * | 2020-12-24 | 2023-06-30 | 铜陵蓝盾丰山微电子有限公司 | Sheet type electroplating clamp for lead frame and clamping method thereof |
| CN113753550B (en) * | 2021-08-19 | 2022-11-25 | 江阴新基电子设备有限公司 | Stubborn mascerating machine |
Citations (2)
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| CN106298562A (en) * | 2016-09-30 | 2017-01-04 | 淄博才聚电子科技有限公司 | A kind of diode lead framework closes sheet devices and lamination process thereof |
| CN109352215A (en) * | 2018-10-17 | 2019-02-19 | 珠海市欧科锐机电设备有限公司 | A kind of transformer assembly welding machine |
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| GB2283497B (en) * | 1993-11-04 | 1997-07-30 | Electroplating Engineers Eesa | Electroplating apparatus |
| JPH11233705A (en) * | 1998-02-17 | 1999-08-27 | Dainippon Printing Co Ltd | Electrodeposition treatment equipment |
| CN201780972U (en) * | 2010-05-11 | 2011-03-30 | 上海新阳半导体材料股份有限公司 | Lead frame grabbing device |
| CN102031546B (en) * | 2010-12-22 | 2012-07-25 | 宁波康强电子股份有限公司 | Electroplating method for lead frame |
| CN102392280B (en) * | 2011-11-04 | 2014-02-26 | 毕翊 | Full-automatic electroplating production line for semi-conductor lead frames |
| CN203826353U (en) * | 2014-04-28 | 2014-09-10 | 四川金湾电子有限责任公司 | Semiconductor lead frame production line |
| CN105428284B (en) * | 2016-01-15 | 2018-01-12 | 上海新阳半导体材料股份有限公司 | The processing producing line of lead frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298562A (en) * | 2016-09-30 | 2017-01-04 | 淄博才聚电子科技有限公司 | A kind of diode lead framework closes sheet devices and lamination process thereof |
| CN109352215A (en) * | 2018-10-17 | 2019-02-19 | 珠海市欧科锐机电设备有限公司 | A kind of transformer assembly welding machine |
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