CN211479996U - Lead frame printing and blanking mechanism - Google Patents
Lead frame printing and blanking mechanism Download PDFInfo
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- CN211479996U CN211479996U CN201921633120.XU CN201921633120U CN211479996U CN 211479996 U CN211479996 U CN 211479996U CN 201921633120 U CN201921633120 U CN 201921633120U CN 211479996 U CN211479996 U CN 211479996U
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- blanking baffle
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Abstract
The utility model relates to a lead frame printing and blanking mechanism, which comprises a printer (or other processing machinery), a blanking mechanism and a storage box; the blanking mechanism is positioned at the downstream of the printer and at the upstream of the storage box; the blanking mechanism comprises a fixed blanking port, a first-stage blanking baffle, a second-stage blanking baffle and a third-stage blanking baffle, wherein two frames opposite to the fixed blanking port are parallel to each other. The utility model discloses simple structure saves artifical arrangement time, suits with microelectronic device's batch production processing.
Description
Technical Field
The utility model relates to a conveying mechanism of sheets such as lead frame of microelectronics trade.
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.
In the prior art, after the lead frame is conveyed to the designated position, the lead frame needs to be manually collected, so that the labor intensity of workers is high, and the processing speed is low.
The patent with application number 2011201677802 discloses a technical scheme of a lead frame conveying and blanking device and a lead frame conveying device, which comprises a push plate capable of reciprocating and a supporting plate capable of receiving a lead frame, wherein the supporting plate is arranged in the moving direction of the lead frame pushed by the push plate. According to the technical scheme, the lead frame is pushed to the designated position from the conveying device by using the mechanical device, so that the labor intensity of workers is reduced. However, in actual operation, when the lead frame is pushed by the push plate and then reaches the supporting plate, the self weight of a single product is light, the frame is soft, and the following three problems exist in the blanking and receiving process: 1. after the product is taken out of the printing track, the product is arched and is easy to deform in the falling process; 2. the product has irregular downward sliding, and is difficult to be consistent due to the fact that the product has horizontal, vertical and oblique sliding; 3. lead frames in the blanking turnover box are difficult to arrange regularly, and the next procedure can be performed only by arranging the lead frames in a way that the operators spend more time.
Disclosure of Invention
Utility model purpose: the lead frame printing and blanking device is safe, rapid and orderly.
The technical scheme is as follows: the utility model adopts a blanking mechanism of a printer (or other processing machines) of a lead frame (or other sheets), which comprises a printer, a blanking mechanism and a storage box; the blanking mechanism is positioned at the downstream of the printer and at the upstream of the storage box; the blanking mechanism comprises a fixed blanking port, a first-stage blanking baffle, a second-stage blanking baffle and a third-stage blanking baffle, wherein the fixed blanking port is provided with two parallel frames with the length larger than that of the lead frame; the first-stage blanking baffle, the second-stage blanking baffle and the third-stage blanking baffle are respectively flat plates which are inclined downwards, the upper edge of the first-stage blanking baffle and the upper edge of the second-stage blanking baffle are respectively fixedly connected with two opposite frames of a fixed blanking port, and the lower edge of the first-stage blanking baffle is arranged above the lower edge of the second-stage blanking baffle and has an interval A; the upper edge of the third-stage blanking baffle is positioned below the first-stage blanking baffle, and the upper edge of the third-stage blanking baffle is movably connected with the fixed blanking port; the lower edge of the second-stage blanking baffle is arranged above the lower edge of the third-stage blanking baffle, and a space B is reserved between the second-stage blanking baffle and the third-stage blanking baffle; the lower level of this tertiary blanking baffle is in the top of receiver.
The distance A and the distance B are both larger than the width of the lead frame, so that each sheet can be conveniently and quickly blanked, and the sheet is not stacked and extruded in the descending process.
The included angle between the first-stage blanking baffle and the vertical plane is 30-45 degrees, the blanking speed is moderate, and both the speed and the material safety are taken into consideration; the included angle between the second-stage blanking baffle and the vertical plane is 20-30 degrees, and the blanking speed is high; the included angle between the third-stage blanking baffle and the vertical plane is 45-60 degrees, the blanking speed is slow, the walking is stable, the force for impacting the storage box is small, and the storage box cannot deform.
The side surface of the third-stage blanking baffle is provided with 1 or more connecting rod positioning holes, and the third-stage blanking baffle is also provided with a connecting piece, and two ends of the connecting piece are respectively movably connected with the frame of the fixed blanking port and one connecting rod positioning hole on the third-stage blanking baffle; the inclination of the third-stage blanking baffle is convenient to adjust.
Two relative frames of fixed blanking mouth set up one pair or more respectively on the frame (the adjusting position of being convenient for lead frame whereabouts position is suitable), unloading mechanism still have the bracing piece, the both ends of this bracing piece respectively with certain right bracing piece locating hole swing joint (for example the spiro union, the dismouting of being convenient for is adjusted).
The telescopic support platform is further included, so that adjustment is facilitated, and the technology is more mature. One end of the supporting platform is connected with the printer, and the other end of the supporting platform is arranged above the storage box.
The connecting rod locating hole has a plurality ofly, is even interval linear arrangement.
Has the advantages that:
the utility model discloses light, the frame is soft to lead frame list product dead weight, the product focus is difficult to master the scheduling problem, has improved unloading material collecting device structure. There is not the bracing piece among the prior art, and the front end of lead frame product can be because of gravity flagging, and whole product is the arch, influences the quality. The blanking mechanism is additionally arranged and comprises a fixed blanking port, a first-stage blanking baffle, a second-stage blanking baffle, a third-stage blanking baffle and a supporting rod, when a lead frame product is printed and propelled from a printer according to a program, the front end of the lead frame product passes through the supporting rod, and the supporting rod plays a role in transitionally supporting the lead frame product and prevents the front end of the lead frame product from sagging and deforming. When the printing process of the lead frame products of each unit is finished, the lead frame products integrally fall into the first-stage blanking baffle, the second-stage blanking baffle and the third-stage blanking baffle in sequence, the path is in an S shape or an S shape, the walking is smooth, and the descending speed is effectively controlled.
Can select the connecting piece locating hole to be connected between connecting piece and the third level blanking baffle, an angle between third level blanking baffle and the fixed blanking mouth is used for adjusting, to the lead frame product of the different weight of different specifications, can select the angle between third level blanking baffle and the fixed blanking mouth of adjusting, in order to ensure the homogeneity of the speed of product gliding process and direction, rather than in the receiver falls, avoid appearing among the prior art product gliding irregularity, it is horizontal, erect, it all has to one side, be difficult to unanimous defect.
The utility model discloses set up and extend supporting platform, can adjust the length that extends supporting platform and stretch out according to the lead frame product of different specification length, weight, play the effect that the transition supported to the lead frame product, prevent that the lead frame product from bending down and warping, ensured the quality of product. The utility model discloses low in manufacturing cost saves artifical arrangement time, has improved production efficiency greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-printer local; 2-a first-stage blanking baffle; 3-a second-stage blanking baffle; 4-third-stage blanking baffle; 5-a connector; 6-positioning holes of the connecting pieces; 7-lead frame products; 9-a support bar; 10-support rod positioning holes; 12-a storage box; 13-fixed blanking port.
Detailed Description
Example 1:
the lead frame printing and blanking mechanism shown in fig. 1 is positioned at the downstream of a printer and at the upstream of a storage box; the blanking mechanism comprises a fixed blanking port 13, a first-stage blanking baffle 2, a second-stage blanking baffle 3 and a third-stage blanking baffle 4, wherein two opposite frames of the fixed blanking port 13 are parallel to each other. The first-stage blanking baffle 2, the second-stage blanking baffle 3 and the third-stage blanking baffle 4 are respectively flat plates which are inclined downwards, one edge of the first-stage blanking baffle 2 and one edge of the second-stage blanking baffle 3 are respectively fixedly connected with two opposite side frames of the fixed blanking port 13, and the other edge of the first-stage blanking baffle 2 is arranged above the second-stage blanking baffle 3 and has a distance A; the third-stage blanking baffle 4 is positioned below the first-stage blanking baffle 2, and one edge of the third-stage blanking baffle is movably connected with the fixed blanking port 13; the other edge of the second-stage blanking baffle 3 is arranged above the third-stage blanking baffle 4 and has a distance B; the other edge of the third-stage blanking baffle 4 is above the storage box 12; set up connecting rod locating hole 6 on the side of tertiary blanking baffle 4, still include connecting piece 5, the both ends of this connecting piece 5 respectively with fixed blanking mouth 13 the frame and the connecting rod locating hole 6 spiro union on the tertiary blanking baffle 4, connecting rod locating hole 6 has a plurality ofly, is even interval linear arrangement.
Two opposite frames of the fixed blanking port 13 are respectively provided with one or more pairs of supporting rod positioning holes 10, and the fixed blanking port further comprises a supporting rod 9, wherein two ends of the supporting rod 9 are respectively in threaded connection with the supporting rod positioning holes 10.
The utility model discloses save artifical arrangement time, improved the processing machining efficiency of sheets such as lead frame greatly.
Claims (5)
1. The utility model provides a blanking mechanism is printed to lead frame, installs behind the printer, before receiver (12), its characterized in that: the blanking mechanism comprises a fixed blanking port (13), a first-stage blanking baffle (2), a second-stage blanking baffle (3) and a third-stage blanking baffle (4), wherein the fixed blanking port (13) is provided with two parallel frames of which the length is greater than that of a lead frame; the first-stage blanking baffle (2), the second-stage blanking baffle (3) and the third-stage blanking baffle (4) are flat plates which are inclined downwards respectively, the upper edge of the first-stage blanking baffle (2) and the upper edge of the second-stage blanking baffle (3) are fixedly connected with two opposite frames of a fixed blanking port (13) respectively, and the lower edge of the first-stage blanking baffle (2) is arranged above the lower edge of the second-stage blanking baffle (3) and has a distance A; the upper edge of the third-stage blanking baffle (4) is positioned below the first-stage blanking baffle (2), and the upper edge is movably connected with the fixed blanking port (13); the lower edge of the second-stage blanking baffle (3) is arranged above the lower edge of the third-stage blanking baffle (4) and has a distance B; the lower edge of the third-stage blanking baffle (4) is positioned above the storage box (12);
the distance A and the distance B are both larger than the width of the lead frame.
2. The lead frame printing and blanking mechanism according to claim 1, characterized in that: the included angle between the first-stage blanking baffle and the vertical plane is 30-45 degrees, and the included angle between the second-stage blanking baffle and the vertical plane is 20-30 degrees; the included angle between the third-stage blanking baffle and the vertical plane is 45-60 degrees.
3. The lead frame printing and blanking mechanism according to claim 1 or 2, characterized in that: the side surface of the third-stage blanking baffle (4) is provided with a connecting rod positioning hole (6), the connecting rod positioning hole is also provided with a connecting piece (5), and two ends of the connecting piece (5) are respectively movably connected with the frame of the fixed blanking port (13) and a certain connecting rod positioning hole (6) on the third-stage blanking baffle (4).
4. The lead frame printing and blanking mechanism according to claim 1 or 2, characterized in that: two opposite frames of the fixed blanking port (13) are respectively provided with one or more pairs of supporting rod positioning holes (10), the blanking mechanism is also provided with a supporting rod (9), and two ends of the supporting rod (9) are respectively movably connected with the supporting rod positioning holes (10).
5. The lead frame printing and blanking mechanism according to claim 3, wherein: the connecting rod locating holes (6) are multiple and are arranged in a straight line at even intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633120.XU CN211479996U (en) | 2019-09-28 | 2019-09-28 | Lead frame printing and blanking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633120.XU CN211479996U (en) | 2019-09-28 | 2019-09-28 | Lead frame printing and blanking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211479996U true CN211479996U (en) | 2020-09-11 |
Family
ID=72374728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921633120.XU Active CN211479996U (en) | 2019-09-28 | 2019-09-28 | Lead frame printing and blanking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211479996U (en) |
-
2019
- 2019-09-28 CN CN201921633120.XU patent/CN211479996U/en active Active
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