CN211330845U - Bending device of lead frame - Google Patents
Bending device of lead frame Download PDFInfo
- Publication number
- CN211330845U CN211330845U CN201921806722.0U CN201921806722U CN211330845U CN 211330845 U CN211330845 U CN 211330845U CN 201921806722 U CN201921806722 U CN 201921806722U CN 211330845 U CN211330845 U CN 211330845U
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- China
- Prior art keywords
- lead frame
- template
- die plate
- lower bolster
- bending apparatus
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005452 bending Methods 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a bending device of lead frame relates to production facility technical field, and the mould of having solved the lead frame of bending has the structure complicacy, and manufacturing cost is high, and the commonality is poor, complex operation's problem, the utility model discloses a mounting bracket, be equipped with cope match-plate pattern and lower bolster on the mounting bracket, reciprocating motion, its characterized in that about the lower bolster can be followed the mounting bracket: be equipped with the lug on the lower bolster, be equipped with on the cope match-plate pattern with lower bolster assorted recess, the recess surface area is greater than the lug, the lower bolster bottom is equipped with the cylinder, be equipped with the gag lever post in the recess, the utility model has the advantages of simple structure, simple to use practices thrift manpower and equipment cost.
Description
Technical Field
The utility model relates to a production technical field, more specifically are to relate to a bending device of lead frame, with bending of lead frame.
Background
The lead frame is used as a chip carrier of the integrated circuit, and is a key structural member which realizes the electrical connection between the leading-out end of the internal circuit of the chip and the outer lead by means of bonding materials to form an electrical circuit; it acts as a bridge to which external wires are connected.
Lead frame need bend the strake in process of production, and the form of bending is different, and the mould to current L type bent angle design is many at present, however, the mould that is used for bending lead frame on the existing market has the structure complicacy, and manufacturing cost is high, and the commonality is poor, complex operation's problem, from this, the urgent need of solution.
The utility model discloses to prior art's defect, designed a bending device of lead frame.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the current lead frame bending device structure is complicated, the utility model discloses a bending device of lead frame.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme: the improved structure is characterized in that an upper template and a lower template are arranged on the mounting frame, the lower template can reciprocate up and down along the mounting frame, a convex block is arranged on the lower template, a groove matched with the lower template is formed in the upper template, the surface area of the groove is larger than that of the convex block, an air cylinder is arranged at the bottom of the lower template, and a limiting rod is arranged between the upper template and the lower template.
Further, the cope match-plate pattern includes the template frame and locates 4 installation pieces of template frame bottom, 4 installation pieces form the recess around the centre for the mechanical type installation avoids leading to holistic cope match-plate pattern's change because a little installation piece is damaged, has reduced equipment cost.
Furthermore, be equipped with two sliding chutes that establish along the lower bolster diagonal angle on the lower bolster, the lug comprises a plurality of chunks, be equipped with on a plurality of chunks bottoms with the sliding chute match can follow the gliding slider of sliding chute, be equipped with on the template frame with four spouts of installation piece vertically, be equipped with on the installation piece with the gliding slider of spout cooperation, set for the position bolt on chunk and the installation piece, conveniently adjust it according to the model of lead frame, avoided each kind of lead frame all need make the problem of a template, reduced social cost, it is convenient to adjust simultaneously for reduce the human cost.
Furthermore, the lower template is provided with a guide hole, and the upper template is provided with a guide post matched with the guide hole to slide, so that the bending process can be more accurate in positioning and cannot be caused.
Further, the upper die plate can reciprocate along the mounting frame, so that the upper die plate is adjusted upwards when the mounting block of the upper die plate is adjusted, and the upper die plate can be mounted more conveniently.
Furthermore, the lower template is connected with the mounting frame in a drawer type mode, and the bent lead frame can be conveniently taken down.
Furthermore, the gag lever post is but height-adjusting's gag lever post, can be more accurate according to the required angle of bending of lead frame and more accurate, avoids cylinder pneumatic means's inefficacy, leads to lead frame bending angle too big.
The working principle is as follows: the utility model relates to a lift up the cope match-plate pattern, then the position of lug and installation piece has been adjusted according to the size of lead frame, then the angle according to the required lead frame of bending sets up the height of cylinder rising height and gag lever post, place the required lead frame of bending between cope match-plate pattern and lower bolster, put down the cope match-plate pattern, place lead frame upside 2mm department, the actuating cylinder, the cylinder lifts up then the position that the lead frame need not bend enters into the recess, the L type is bent into to the surplus position, put down the cylinder after the completion of bending, then take out the lead frame through pulling out the lower bolster can.
The utility model has the advantages as follows:
1. the utility model discloses a lead frame bending device, what be to be required to bend into the lead frame of L type dog-ear among the prior art, what adopt is the structure of cope and drag template for the lead frame equipment of bending is simple, what adopt simultaneously is movable connection, makes to adjust according to the model of lead frame, has practiced thrift equipment cost, simultaneously owing to need not frequently change the template and make the human cost of having practiced thrift.
2. The lower die plate is provided with a guide hole, the upper die plate is provided with a guide post matched with the guide hole to slide, so that in the bending process, the bending process can be more accurately positioned, the upper die plate can reciprocate along the mounting frame, the upper die plate is upwards adjusted when the mounting block of the upper die plate is adjusted, and the installation can be more convenient.
3. The lower template is connected with the mounting bracket in a drawer type mode, the bent lead frame is convenient to take down, the limiting rod is a height-adjustable limiting rod, the angle required to be bent according to the lead frame can be more accurate, failure of the cylinder pneumatic device is avoided, and the bending angle of the lead frame is too large.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the lower template;
FIG. 3 is a schematic structural view of an upper die plate;
reference numerals: the device comprises a mounting frame, an upper template, a lower template, a 4-lug, a 5-groove, a 6-cylinder, a 7-limiting rod, a template frame, a 202-mounting block, a 203-sliding groove, a 204-sliding block, a 301-guiding hole, a 302-guiding column, a 303-sliding groove, a 304-sliding block and a 401-block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 3, an upper template 2 and a lower template 3 are arranged on the mounting frame 1, the lower template 3 can reciprocate up and down along the mounting frame 1, the lower template 3 is provided with a convex block 4, the upper template 2 is provided with a groove 5 matched with the lower template 3, the surface area of the groove 5 is larger than that of the lug 4, the bottom of the lower template 3 is provided with a cylinder 6, a limiting rod 7 is arranged between the upper template 2 and the lower template 3, the lower template 3 is provided with two sliding grooves 303 arranged along the opposite angles of the lower template 3, the convex block 4 is composed of a plurality of blocks 401, the bottoms of the blocks 401 are provided with sliding blocks 304 which are matched with the sliding grooves 303 and can slide along the sliding grooves 303, four sliding grooves 203 vertical to the mounting block 202 are arranged on the formwork frame 201, sliding blocks 204 sliding in cooperation with the sliding grooves 203 are arranged on the mounting block 202, and position bolts are set on the block blocks 401 and the mounting block 202.
The working principle is as follows: the utility model relates to a lift cope match-plate pattern 2, then the position of lug 4 and installation piece 202 has been adjusted according to the size of lead frame, then the angle according to the required lead frame of bending sets up the height that cylinder 6 rises and gag lever post 7, place the required lead frame of bending between cope match-plate pattern 2 and lower bolster 3, put down cope match-plate pattern 2, place lead frame upside 2mm department, start cylinder 6, cylinder 6 lifts up then the position that the lead frame need not bend enters into recess 5, the L type is bent into to the surplus position, put down cylinder 6 after the completion of bending, then through pull out lower bolster 3 take out the lead frame can.
Example 2
As shown in fig. 1 to fig. 3, in order to make the bending of the present invention more accurate, the present embodiment is further improved on the basis of embodiment 1, specifically: the lower template 3 is provided with a guide hole 301, and the upper template 2 is provided with a guide post 302 matched with the guide hole 301 to slide, so that the bending process can be more accurate in positioning and cannot be caused.
Example 3
As shown in fig. 1 to fig. 3, in order to make the utility model discloses the installation lead frame is more convenient, and the more accurate this embodiment of the angle of bending has made further improvement on the basis of embodiment 2, specifically is: the upper die plate 2 can do reciprocating motion along the mounting frame 1, so that the upper die plate 2 can be upwards adjusted when the mounting block 202 of the upper die plate 2 is adjusted, the installation can be more convenient, the lower die plate 3 is connected with the mounting frame 1 in a drawer mode, the bent lead frame is convenient to take down, the limiting rod 7 is a height-adjustable limiting rod 7, the angle required to be bent according to the lead frame can be more accurate, the failure of a pneumatic device of the cylinder 6 is avoided, and the lead frame is bent at an angle.
Claims (7)
1. The utility model provides a bending device of lead frame, includes mounting bracket (1), be equipped with cope match-plate pattern (2) and lower bolster (3) on mounting bracket (1), reciprocating motion about mounting bracket (1) can be followed in lower bolster (3), its characterized in that: the improved die is characterized in that a bump (4) is arranged on the lower die plate (3), a groove (5) matched with the lower die plate (3) is formed in the upper die plate (2), the surface area of the groove (5) is larger than the bump (4), an air cylinder (6) is arranged at the bottom of the lower die plate (3), and a limiting rod (7) is arranged between the upper die plate (2) and the lower die plate (3).
2. The lead frame bending apparatus according to claim 1, wherein: the lower template (3) is provided with a guide hole (301), and the upper template (2) is provided with a guide column (302) which is matched with the guide hole (301) to slide.
3. The lead frame bending apparatus according to claim 1, wherein: the upper template (2) comprises a template frame (201) and 4 mounting blocks (202) arranged at the bottom of the template frame (201), wherein the 4 mounting blocks (202) surround the middle to form a groove (5).
4. The lead frame bending apparatus according to claim 3, wherein: be equipped with on lower bolster (3) along two sliding tray (303) that the lower bolster diagonal angle was established, lug (4) comprise a plurality of chunks (401), be equipped with on a plurality of chunks (401) the bottom and match with sliding tray (303) and can follow gliding slider (304) of sliding tray (303), be equipped with on template frame (201) with installation piece (202) vertically four spout (203), be equipped with on installation piece (202) with spout (203) gliding sliding block (204) of cooperation, set for the position bolt on chunk (401) and installation piece (202).
5. The lead frame bending apparatus according to claim 1, wherein: the upper template (2) can reciprocate along the mounting rack (1).
6. The lead frame bending apparatus according to claim 1, wherein: the lower template (3) is connected with the mounting rack (1) in a drawer type.
7. The lead frame bending apparatus according to claim 1, wherein: the limiting rod (7) is a height-adjustable limiting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806722.0U CN211330845U (en) | 2019-10-25 | 2019-10-25 | Bending device of lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921806722.0U CN211330845U (en) | 2019-10-25 | 2019-10-25 | Bending device of lead frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211330845U true CN211330845U (en) | 2020-08-25 |
Family
ID=72132260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921806722.0U Active CN211330845U (en) | 2019-10-25 | 2019-10-25 | Bending device of lead frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211330845U (en) |
-
2019
- 2019-10-25 CN CN201921806722.0U patent/CN211330845U/en active Active
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