CN210236105U - Coil conveying device for lead frame - Google Patents
Coil conveying device for lead frame Download PDFInfo
- Publication number
- CN210236105U CN210236105U CN201920951295.9U CN201920951295U CN210236105U CN 210236105 U CN210236105 U CN 210236105U CN 201920951295 U CN201920951295 U CN 201920951295U CN 210236105 U CN210236105 U CN 210236105U
- Authority
- CN
- China
- Prior art keywords
- key
- lead frame
- bottom plate
- fixed
- shaped transmission
- Prior art date
- 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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- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 35
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000002905 metal composite material Substances 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 12
- 230000032258 transport Effects 0.000 abstract description 4
- 241000251468 Actinopterygii Species 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- GXDVEXJTVGRLNW-UHFFFAOYSA-N [Cr].[Cu] Chemical compound [Cr].[Cu] GXDVEXJTVGRLNW-UHFFFAOYSA-N 0.000 description 1
- ZUPBPXNOBDEWQT-UHFFFAOYSA-N [Si].[Ni].[Cu] Chemical compound [Si].[Ni].[Cu] ZUPBPXNOBDEWQT-UHFFFAOYSA-N 0.000 description 1
- VRUVRQYVUDCDMT-UHFFFAOYSA-N [Sn].[Ni].[Cu] Chemical compound [Sn].[Ni].[Cu] VRUVRQYVUDCDMT-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Abstract
The utility model discloses a lead frame is with fortune wind-up device, comprising a base plate, bottom plate upper surface both sides are equipped with a plurality of pairs of supporting seat, the supporting seat upper end all is equipped with the pivot, the pivot is located the inboard both ends of supporting seat and all fixedly equipped with two pairs of motion wheel, the motion takes turns to and all is equipped with the key shape driving medium, fixed surface has well support on the bottom plate, it all is fixed with the dead lever that is equidistant array to be located between the key shape driving medium of homonymy, it carries a pair of piece to wear the key shape on the dead lever, the both sides that the piece is located well support are carried to the key shape, the key shape is carried the piece and all is worn the key shape driving medium of inboard, bottom plate one end. The convenient metal strip coil for the lead frame to each width shifts and transports, has improved the short distance conveying efficiency of metal strip coil, can avoid causing the fish tail or buckling to the strap effectively in the transportation, has reduced the cost input of enterprise, has stronger practicality.
Description
Technical Field
The utility model relates to a semiconductor production equipment technical field that is correlated with especially relates to a lead frame is with fortune rolling up device.
Background
The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electrical connection between a leading-out end of an internal circuit of a chip and an external lead by means of gold wires, aluminum wires and copper wires which are bonding materials to form an electrical circuit, plays a role of a bridge connected with an external lead, needs to be used in most semiconductor integrated blocks, and is an important basic material in the electronic information industry.
The copper alloy for the lead frame is roughly divided into a copper-iron system, a copper-nickel-silicon system, a copper-chromium system, a copper-nickel-tin system (JK-2 alloy) and the like, and ternary, quaternary and other multi-element copper alloys can obtain better performance and lower cost than the traditional binary alloy, and the copper-iron alloy has the most grades, better mechanical strength, stress relaxation resistance and low creep deformation, and is a good lead frame material. Due to the requirements of lead frame manufacturing and packaging application, besides high strength and high heat conductivity, the material is required to have good brazing performance, processing performance, etching performance, oxide film bonding performance and the like. The material is developed towards high strength, high conductivity and low cost, a small amount of various elements are added into copper, the alloy strength (leading a lead frame not to be easily deformed) and the comprehensive performance are improved under the principle of not obviously reducing the conductivity, and the material with the tensile strength of more than 600MPa and the conductivity of more than 80 percent IACS is a research and development hotspot. The copper strip is required to face to the high surface, the shape is accurate, the performance is uniform, the thickness of the strip is continuously thinned, and the thickness is gradually thinned from 0.25mm to 0.15mm and 0. lmm. With the gradual thinning of the processing raw metal strip, a large challenge is brought to the processing of the lead frame.
The utility model discloses a metal strip coil of wire, including the metal strip coil of wire, the metal strip coil of wire is provided with the section of wire, the section of wire is provided with the section of wire, the.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lead frame is with fortune rolling up device to solve the not enough of above-mentioned prior art, the convenient metal strip roll for the lead frame to each width shifts and transports, has improved the short distance conveying efficiency of metal strip roll, can avoid causing the fish tail or buckle to the strap effectively in the transportation, has reduced the cost input of enterprise, has stronger practicality.
In order to realize the purpose of the utility model, the following technologies are adopted:
the utility model provides a lead frame is with fortune rolling up device, comprising a base plate, bottom plate upper surface both sides are equipped with a plurality of pairs of supporting seat with the equal interval, the supporting seat upper end all is equipped with the pivot, the pivot is located the both ends of supporting seat inboard all fixed assembly and is equipped with the motion wheel two pairs, the motion takes turns to all to be equipped with the key shape driving medium through motion wheel drive motion, bottom plate upper surface intermediate position department is fixed with well support, pivot middle part position all assembles in well support, the key shape driving medium is located the both sides of well support, be located the both sides of homonymy between the key shape driving medium all be fixed with the dead lever that is the equidistant array, it carries a pair ofly to wear the key shape on the dead lever, the both sides that the key shape was located well support are carried to the key shape, the key shape is carried the piece and all.
Further, the key-shaped conveying piece comprises a key-shaped assembly part, the key-shaped assembly part is arranged on the fixing rod, a conveying belt is fixed on the inner side wall of the key-shaped assembly part, and the outer surface of the conveying belt is provided with placing grooves in an equally-spaced array.
Furthermore, the inner side ends of the placing grooves are all opened, the bottom surfaces of the placing grooves are planes, and the two side walls of the placing grooves are cambered surfaces.
Further, the key fittings and the conveyor belt are made of hard rubber.
Furthermore, the moving wheel is a gear, and a plurality of teeth which are meshed with the moving wheel are fixed on the inner wall of the key-shaped transmission piece.
Furthermore, the whole key-shaped transmission part is a rubber fiber metal composite product, the teeth are metal products, and the teeth are embedded on the inner wall of the key-shaped transmission part.
Furthermore, springs penetrate through the outer side ends of the fixing rods, and the other ends of the springs are propped against the outer wall of the key-shaped assembly.
The technical scheme has the advantages that:
1. the support unit of the coil conveying device is composed of support seats fixedly arranged on two sides of the bottom plate and a middle support seat fixedly arranged in the middle of the bottom plate, so that the stability of the coil conveying device in the coil conveying process is ensured, the phenomenon that the middle of a rotating shaft is increased in torque due to lack of supporting force to influence the transportation of metal coils is avoided, the service life of the rotating shaft is shortened, and the coil conveying device adopts a mode of driving a conveying belt to move by a gear, so that the efficiency of conveying the metal coils by the conveying belt is improved;
2. the two are engaged with the teeth of the key-shaped transmission piece through the teeth of the moving wheel by gears to drive the teeth of the key-shaped transmission piece to move the key-shaped transmission piece, and meanwhile, in order to improve the stability of the key-shaped transmission piece arranged on the key-shaped transmission piece during movement, the key-shaped transmission piece is arranged in pairs, a corresponding fixed rod is arranged between the key-shaped transmission pieces and used for fixing the key-shaped transmission piece, and meanwhile, in order to adapt to the transportation of metal strip coils with different widths, a spring is arranged on the fixed rod, the key-shaped transmission pieces move inwards mutually under the action of the elastic force of the spring, the two ends of the metal strip coils arranged on the key-shaped transmission piece are pushed tightly, the metal strip coils are prevented from moving relatively in the transportation process, and the surfaces of the metal strip coils are prevented from being scratched due to the relative movement in the transportation process, meanwhile, in order to further limit the relative movement of the metal strip coils in the transportation process, a placing groove is arranged on the key-shaped conveying piece, and two walls of the placing groove are arranged into arc walls;
3. the utility model discloses just, the metal strip coil for the lead frame to each width shifts and transports, has improved the short distance conveying efficiency of metal strip coil, can avoid causing the fish tail or buckling to the strap effectively in the transportation, has reduced the cost input of enterprise, has stronger practicality.
Drawings
Fig. 1 shows the overall structure of the first three-dimensional structure of the present invention.
Fig. 2 shows the whole structure of the utility model.
Fig. 3 shows a partial cross-sectional view at the key conveyor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, a coil transporting device for lead frame comprises a bottom plate 1, a plurality of pairs of supporting seats 2 are arranged on two sides of the upper surface of the bottom plate 1 at equal intervals, a rotating shaft 3 is arranged on the upper end of each supporting seat 2, two pairs of moving wheels 4 are fixedly arranged on two ends of the rotating shaft 3, which are positioned on the inner side of each supporting seat 2, key-shaped transmission members 5 which are driven to move by the moving wheels 4 are arranged on the moving wheels 4, a middle support 1a is fixed at the middle position of the upper surface of the bottom plate 1, a middle position of the rotating shaft 3 is respectively arranged on the middle support 1a, the key-shaped transmission members 5 are positioned on two sides of the middle support 1a, fixing rods 6 which are in equal interval array are fixed between the key-shaped transmission members 5 positioned on the same side, a pair of key-shaped transmission members 7 are penetrated on the fixing rods 6, the key-shaped transmission members 7 are positioned on two sides of the middle, the output shaft of the motor 8 is fixed at the outer end of any one of the rotating shafts 3. The moving wheel 4 is a gear, and a plurality of teeth 50 which are meshed with the moving wheel 4 are fixed on the inner wall of the key-shaped transmission piece 5. The key-shaped transmission member 5 is integrally a rubber fiber metal composite product, the teeth 50 are metal products, and the teeth 50 are embedded on the inner wall of the key-shaped transmission member 5. The outer ends of the fixing rods 6 are all penetrated with springs 9, and the other ends of the springs 9 are propped against the outer wall of the key-shaped assembly 70.
The key delivery member 7 comprises a key assembly 70, the key assembly 70 is arranged on the fixing rod 6, a conveyor belt 71 is fixed on the inner side wall of the key assembly 70, and placing grooves 72 are arranged on the outer surface of the conveyor belt 71 at equal intervals. The inner ends of the placing grooves 72 are open, the bottom surfaces of the placing grooves 72 are flat surfaces, and two side walls of the placing grooves 72 are cambered surfaces. The key fitting 70 and the conveyor belt 71 are made of hard rubber.
Specifically, the specific structure of the lead frame coil transporting device is as described above, and specific embodiments are as follows:
the principle of the driving motion of the coil conveying device is as follows: when the motor 8 drives the output shaft to rotate, the output shaft of the motor 8 drives one of the rotating shafts 3, the rotation of one of the rotating shafts 3 enables the moving wheel 4 on the rotating shaft 3 to rotate, the rotation of the moving wheel 4 drives the key-shaped transmission part 5 to transmit, the key-shaped transmission part 5 plays a role in supporting, limiting and guiding the key-shaped transmission part 5 in the transmission process, so that the key-shaped transmission part 5 moves forwards, the movement of the key-shaped transmission part 5 enables the key-shaped transmission part 7 on the key-shaped transmission part to move, and the movement of the key-shaped transmission part 7 drives the metal strip coil placed on the key-shaped transmission part to move forwards.
In a specific implementation, the metal strip coil needs to be placed in the placing groove 72, and the key-shaped conveying members 7 move inwards under the action of the springs 9 to clamp and stabilize the metal strip coil and then transport the metal strip coil.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The coil transporting device for the lead frame is characterized by comprising a bottom plate (1), a plurality of pairs of supporting seats (2) are arranged on two sides of the upper surface of the bottom plate (1) at equal intervals, rotating shafts (3) are assembled at the upper ends of the supporting seats (2), two pairs of moving wheels (4) are fixedly assembled at two ends of each rotating shaft (3) which are positioned at the inner side of each supporting seat (2), key-shaped transmission pieces (5) which are driven to move through the moving wheels (4) are assembled on the moving wheels (4), middle supports (1 a) are fixed at the middle positions of the upper surface of the bottom plate (1), middle positions of the rotating shafts (3) are assembled on the middle supports (1 a), the key-shaped transmission pieces (5) are positioned at two sides of the middle supports (1 a), fixing rods (6) which are in an equal interval array are fixed between the key-shaped transmission pieces (5) positioned at the same side, and a pair of key-, the key-shaped conveying pieces (7) are positioned on two sides of the middle support (1 a), the key-shaped conveying pieces (7) penetrate through the key-shaped transmission piece (5) on the inner side, one end of the bottom plate (1) is provided with a motor (8), and an output shaft of the motor (8) is fixed at the outer side end of any one of the rotating shafts (3).
2. The lead frame coil transport apparatus according to claim 1, wherein the key conveyor (7) includes a key assembly (70), the key assembly (70) is disposed on the fixing bar (6), a conveyor belt (71) is fixed to an inner side wall of the key assembly (70), and the outer surface of the conveyor belt (71) is provided with the placement grooves (72) in an equally spaced array.
3. The lead frame coil unit according to claim 2, wherein the inner ends of the placement grooves (72) are open, the bottom surfaces of the placement grooves (72) are flat, and both side walls of the placement grooves (72) are curved.
4. The lead frame coil carrier according to claim 2, wherein the key assembly (70) and the conveyor belt (71) are made of hard rubber.
5. The lead frame coil carrier according to claim 1, wherein the moving wheel (4) is a gear, and a plurality of teeth (50) which are engaged with the moving wheel (4) are fixed to an inner wall of the key driver (5).
6. The lead frame coil unit according to claim 5, wherein the key driver (5) is a rubber fiber metal composite product as a whole, the teeth (50) are made of metal, and the teeth (50) are embedded in the inner wall of the key driver (5).
7. The lead frame coil conveyor according to claim 2, characterized in that the outer ends of the fixing rods (6) are all penetrated with springs (9), and the other ends of the springs (9) are pressed against the outer wall of the key-shaped assembly (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951295.9U CN210236105U (en) | 2019-06-24 | 2019-06-24 | Coil conveying device for lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951295.9U CN210236105U (en) | 2019-06-24 | 2019-06-24 | Coil conveying device for lead frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210236105U true CN210236105U (en) | 2020-04-03 |
Family
ID=69987696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920951295.9U Active CN210236105U (en) | 2019-06-24 | 2019-06-24 | Coil conveying device for lead frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210236105U (en) |
-
2019
- 2019-06-24 CN CN201920951295.9U patent/CN210236105U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 629000 No. 88 Hedong Avenue, Shehong Economic Development Zone, Suining City, Sichuan Province Patentee after: Sichuan Fumeda Microelectronics Co.,Ltd. Country or region after: China Address before: 629000 No. 88 Hedong Avenue, Shehong Economic Development Zone, Suining City, Sichuan Province Patentee before: SICHUAN FUMEIDA MICROELECTRONIC CO.,LTD. Country or region before: China |