CN209407618U - A kind of circuit board and lead frame welder - Google Patents
A kind of circuit board and lead frame welder Download PDFInfo
- Publication number
- CN209407618U CN209407618U CN201822222084.XU CN201822222084U CN209407618U CN 209407618 U CN209407618 U CN 209407618U CN 201822222084 U CN201822222084 U CN 201822222084U CN 209407618 U CN209407618 U CN 209407618U
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- China
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- lead frame
- welding
- circuit board
- positioning pin
- pressing plate
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Abstract
The utility model relates to welding circuit board technical fields, specially a kind of circuit board and lead frame welder, it can effectively improve welding efficiency, guarantee welding quality, it includes lead frame and circuit board, lead frame is placed on workbench, workbench bottom is provided with vertical guide, liftable positioning pin sliding block is installed in vertical guide, collateral bracer is provided at left and right sides of positioning pin sliding block, the positioning pin with the location hole cooperation on lead frame is mounted on four angles of positioning pin sliding block, the first through slot of corresponding positioning pin is provided on workbench, pressing plate is provided with above lead frame, welding connecting hole is provided on pressing plate, pressing plate is provided with circuit board recess among bottom, four angles bottom of pressing plate is equipped with the mandril of the first through hole on workbench, spring and spring one end connection mandril lower end are set on mandril, other end connection pressure Plate.
Description
Technical field
The utility model relates to welding circuit board technical field, specially a kind of circuit board and lead frame welder.
Background technique
Chip carrier of the lead frame as integrated circuit is a kind of real by means of bonding material (spun gold, aluminium wire, copper wire)
The electrical connection of existing chip internal circuits exit and outer lead, forms the key structure part of electric loop, it is played and outside
The function served as bridge of portion's conducting wire connection requires in most semiconductor integrated blocks using lead frame, is that electronic information produces
Important basic material in industry.
Soldered circuit board is needed on lead frame, common operation at present is all operator by list each on each lead frame
Member is cut, and is then welded on each unit, each unit volume very little, location difficulty, causes the two welding troublesome in poeration, weldering
Low efficiency is connect, welding quality is also unstable.
Summary of the invention
In order to solve the problem of the low welding quality unstable of existing welding efficiency, the utility model provides a kind of circuit
Plate and lead frame welder can effectively improve welding efficiency, guarantee welding quality.
Its technical solution is such that a kind of circuit board and lead frame welder comprising lead frame and circuit board,
It is characterized in that, the lead frame is placed on workbench, and the workbench bottom is provided with vertical guide, in the vertical guide
Liftable positioning pin sliding block is installed, is provided with collateral bracer, the positioning pin sliding block at left and right sides of the positioning pin sliding block
Four angles on be mounted on positioning pin with the location hole cooperation on the lead frame, be provided on the workbench it is corresponding described in
First through slot of positioning pin, the lead frame top are provided with pressing plate, welding connecting hole, the pressing plate bottom are provided on the pressing plate
Centre is provided with circuit board recess, and four angles bottom of the pressing plate is equipped with the mandril of the first through hole on the workbench,
It is set with spring on the mandril and the spring one end connects the mandril lower end, the other end connects the pressing plate, the top
Bar is supported in the collateral bracer and is slidably matched between the mandril and the collateral bracer, and the vertical guide bottom is fixed
In sliding block, the sliding block side connects the first side and drives cylinder, and the sliding block basal sliding connects pedestal, the pedestal
Bottom is equipped with lower driving cylinder, second through-hole of the piston rod of the lower driving cylinder on the pedestal, the downslide
The second through slot on block resists the positioning pin slider bottom, is provided with welding mechanism above the pressing plate, before the workbench
Side is provided with feeding platform, and the push plate being slidably matched is provided on the feeding platform, and the push plate is arranged towards described pressing plate one end
There is feeding groove, the push plate other end connects feeding cylinder.
It is further characterized by the width of first through slot, the width of the second through slot and the lead frame individual unit
Degree corresponds to；
The mandril bottom is slidably connected the collateral bracer by bulge loop, and the spring bottom connects the bulge loop；
The welding mechanism includes the seat of honour, and the top shoe being slidably matched, the top shoe side are provided on the seat of honour
It connects second side and drives cylinder, the first welding base and the second welding base being arranged side by side be installed on the top shoe, described the
Be equipped on first be vertically arranged on one welding base and drive cylinder, on described first drive cylinder piston rod connection with it is described
The first welding block that first welding base is slidably matched, is equipped with plumb joint on first welding block, on second welding base
It is equipped on second be vertically arranged and drives cylinder, the piston rod of cylinder is driven to connect and second welding base on described second
The second welding block being slidably matched is equipped with rosin syringe on second welding block, and rosin syringe bottom is equipped with pine
Fragrant water dropper.
After the structure of the utility model, the positioning of lead frame is inserted by the positioning pin on the positioning pin sliding block of rise
In hole, then it is mobile in place by the mobile drive lead frame of sliding block, circuit board carries out feeding to lead by feeding cylinder driving push plate
Below frame, it can complete to weld by welding mechanism after pressing plate pushing is fixed, realize automatic welding, effectively raise welding
Efficiency ensure that welding quality.
Detailed description of the invention
Fig. 1 is the utility model structural front view；
Fig. 2 is workbench and feeding platform top view.
Specific embodiment
See Fig. 1, shown in Fig. 2, a kind of circuit board and lead frame welder comprising lead frame 1 and circuit board 2, lead
Frame 1 is placed on workbench 3, and 3 bottom of workbench is provided with vertical guide 4, and liftable positioning pin is equipped in vertical guide 4
Sliding block 5 is provided with collateral bracer 6 at left and right sides of positioning pin sliding block 5, is mounted on four angles of positioning pin sliding block 5 and lead
The individual unit two sides of the positioning pin 7 that location hole 8 on frame 1 cooperates, general each lead frame 1 are respectively provided with location hole 8, workbench
It is provided with the first through slot 9 of corresponding positioning pin 7 on 3, is provided with pressing plate 10 above lead frame 1, welding connecting hole 11 is provided on pressing plate 10,
For welding, circuit board recess is provided among 10 bottom of pressing plate, four angles bottom of pressing plate 10 is equipped on workbench 3
The mandril 12 of one through-hole, bulge loop, the other end that spring 13 and 13 one end of spring connection 12 lower end of mandril are set on mandril 12 connect
Pressing plate 10 is connect, mandril 12 is supported in collateral bracer 6 by bulge loop and is slidably matched between bulge loop and collateral bracer 6, vertical guide 4
Sliding block 14 is fixed in bottom, and 14 side of sliding block connects the first side and drives cylinder 15, and 14 basal sliding of sliding block connects pedestal
16,16 bottom of pedestal is equipped with lower driving cylinder 17, second through-hole of the piston rod of lower driving cylinder 17 on pedestal 16, under
The second through slot 18 on sliding block 14 resists 5 bottom of positioning pin sliding block, and welding mechanism, 3 front side of workbench are provided with above pressing plate 10
It is provided with feeding platform 19, the push plate 20 being slidably matched is provided on feeding platform 19, push plate 20 is provided with towards 10 one end of pressing plate
Hopper 21,20 other end of push plate connect feeding cylinder 22.1 individual unit of first through slot 9, the width of the second through slot 18 and lead frame
Width it is corresponding.
Welding mechanism includes the seat of honour 23, and the top shoe 24 being slidably matched, the connection of 24 side of top shoe are provided on the seat of honour 23
Second side drives cylinder 25, and the first welding base 26 and the second welding base 27 being arranged side by side, the first weldering are equipped on top shoe 24
Driving cylinder 28 on first be vertically arranged is installed on joint chair 26, the piston rod connection of cylinder 28 and the first weldering are driven on first
The first welding block 29 that joint chair 26 is slidably matched is equipped with plumb joint 30 on the first welding block 29, installs on the second welding base 27
There is driving cylinder 31 on second be vertically arranged, the piston rod connection of cylinder 31 is driven to match on second with the sliding of the second welding base 27
The second welding block 32 closed is equipped with rosin syringe 33 on the second welding block 32, and 33 bottom of rosin syringe is equipped with rosin water dropper
34.35 be the tracheae for connecting rosin syringe 33 in figure.
Working principle is as described below: the piston rod of lower driving cylinder 17 stretches out, and positioning pin sliding block 5 is jacked up, while pressing plate
Also it being jacked up, the positioning hole that positioning pin 7 rises insertion lead frame 1 realizes positioning, and circuit board 2 is placed in feeding groove 21, on
Material cylinder 22 drives push plate 20 to be pushed into circuit board 2 below a unit of lead frame 1, after push plate 20 retracts, lower driving cylinder
17 piston rod also retracts, and positioning pin sliding block 5 is reset under the action of the spring, and pressing plate, which and then declines, compresses lead frame 1 in circuit
On plate 2, by driving driving cylinder 31 on cylinder 28, second to adjust position on second side driving cylinder 25, first on welding mechanism
It sets, rosin water dropper 34 drips rosin, and plumb joint 30 realizes welding, and after completing welding, the piston rod of lower driving cylinder 17 stretches out, will
Positioning pin sliding block 5 jacks up, while pressing plate is also jacked up, and the positioning hole that positioning pin 7 rises insertion lead frame 1 realizes positioning, the
It is mobile that side drives cylinder 15 to drive sliding block 14, so that the unit for the lead frame 3 being welded is conveyed backward, it is next not weld
The lead frame Unit 3 connect is sent to welding position, repeats aforesaid operations, the welding of all circuit boards 2 can be completed.
Claims (4)
1. a kind of circuit board and lead frame welder comprising lead frame and circuit board, which is characterized in that the lead frame is put
It is placed on workbench, the workbench bottom is provided with vertical guide, and liftable positioning pin is equipped in the vertical guide
Sliding block is provided with collateral bracer at left and right sides of the positioning pin sliding block, be mounted on four angles of the positioning pin sliding block with
The positioning pin of location hole cooperation on the lead frame, the first through slot of the corresponding positioning pin, institute are provided on the workbench
It states and is provided with pressing plate above lead frame, welding connecting hole is provided on the pressing plate, is provided with circuit board recess among the pressing plate bottom,
Four angles bottom of the pressing plate is equipped with the mandril of the first through hole on the workbench, is set with spring on the mandril
And the spring one end connects the mandril lower end, the other end connects the pressing plate, the mandril is supported in the collateral bracer
And be slidably matched between the mandril and the collateral bracer, sliding block, the sliding block are fixed in the vertical guide bottom
Side connects the first side and drives cylinder, and the sliding block basal sliding connects pedestal, and the base bottom is equipped with lower driving gas
Cylinder, second through-hole of the piston rod on the pedestal, the second through slot on the sliding block of the lower driving cylinder resist
The positioning pin slider bottom, the pressing plate top is provided with welding mechanism, is provided with feeding platform on front side of the workbench, described
The push plate being slidably matched is provided on feeding platform, the push plate is provided with feeding groove towards described pressing plate one end, and the push plate is another
One end connects feeding cylinder.
2. a kind of circuit board according to claim 1 and lead frame welder, which is characterized in that first through slot,
The width of second through slot is corresponding with the width of the lead frame individual unit.
3. a kind of circuit board according to claim 1 and lead frame welder, which is characterized in that the mandril bottom is logical
It crosses bulge loop to be slidably connected the collateral bracer, the spring bottom connects the bulge loop.
4. a kind of circuit board according to claim 1 and lead frame welder, which is characterized in that the welding mechanism packet
The seat of honour is included, the top shoe being slidably matched is provided on the seat of honour, the top shoe side connects second side driving cylinder, described
The first welding base and the second welding base being arranged side by side are installed on top shoe, is equipped with and is vertically arranged on first welding base
First on drive cylinder, first that the piston rod connection of cylinder is slidably matched with first welding base is driven on described first
Welding block is equipped with plumb joint on first welding block, is equipped on second be vertically arranged and drives on second welding base
It takes offence cylinder, the second welding block for driving the piston rod connection of cylinder to be slidably matched on described second with second welding base, institute
It states and rosin syringe is installed on the second welding block, rosin syringe bottom is equipped with rosin water dropper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822222084.XU CN209407618U (en) | 2018-12-28 | 2018-12-28 | A kind of circuit board and lead frame welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822222084.XU CN209407618U (en) | 2018-12-28 | 2018-12-28 | A kind of circuit board and lead frame welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209407618U true CN209407618U (en) | 2019-09-20 |
Family
ID=67941088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822222084.XU Active CN209407618U (en) | 2018-12-28 | 2018-12-28 | A kind of circuit board and lead frame welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209407618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453788A (en) * | 2022-02-15 | 2022-05-10 | 惠州市则成技术有限公司 | Assembly process for intelligent audio module production |
-
2018
- 2018-12-28 CN CN201822222084.XU patent/CN209407618U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453788A (en) * | 2022-02-15 | 2022-05-10 | 惠州市则成技术有限公司 | Assembly process for intelligent audio module production |
| CN114453788B (en) * | 2022-02-15 | 2023-10-31 | 惠州市则成技术有限公司 | Assembly process for intelligent audio module production |
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