CN216133859U - Preforming frame and preforming frame integrated configuration - Google Patents
Preforming frame and preforming frame integrated configuration Download PDFInfo
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- CN216133859U CN216133859U CN202121727572.1U CN202121727572U CN216133859U CN 216133859 U CN216133859 U CN 216133859U CN 202121727572 U CN202121727572 U CN 202121727572U CN 216133859 U CN216133859 U CN 216133859U
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- frame
- fixed
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- rubber pad
- copper
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Abstract
The utility model discloses a tablet pressing frame and a tablet pressing frame combined structure, wherein a main frame is arranged and comprises a first side part, a second side part and a connecting part, and the connecting part is fixedly connected with the first side part and the second side part; the detachable beam part is fixed to the first side part at one end, the other end of the beam part is fixed to the second side part, a hollow space is formed between the beam part and the connecting part and used for exposing the copper-clad ceramic substrate, and the beam part is used for compressing the copper-clad ceramic substrate; because crossbeam portion can dismantle, consequently when compressing tightly copper ceramic substrate through crossbeam portion, can adjust according to the copper-clad ceramic substrate of different territories to avoid covering the tin cream piece on the copper ceramic substrate, avoid crossbeam portion and tin cream piece conflict and cause the damage, improved adaptability and practicality, but wide application in packaging technology field.
Description
Technical Field
The utility model relates to the technical field of packaging, in particular to a tablet frame and a tablet frame combined structure.
Background
With the development of power semiconductor packages towards intellectualization and intensification, in order to mount more chips and electronic components on a Copper-clad ceramic substrate (DBC) in a module, it is generally necessary to control the accuracy of da (die attach) within a certain range. When carrying out the chip and paste dress, need utilize the compact structure to compress tightly copper ceramic substrate usually, and the single structure of current compact structure is fixed, but the design of the copper ceramic substrate that covers of different territories is different, and the tin cream piece position on the copper ceramic substrate that covers is different, when consequently utilizing the fixed compact structure of single structure to compress tightly copper ceramic substrate, can't adjust and cause the damage to the tin cream piece on the copper ceramic substrate that covers easily, and adaptability is poor, needs seek solution.
SUMMERY OF THE UTILITY MODEL
To solve the above technical problems, the present invention aims to: provided are a tablet pressing frame and a tablet pressing frame combined structure which improve adaptability.
The technical scheme adopted by the utility model is as follows:
a sheeting frame comprising:
the main frame comprises a first side part, a second side part and a connecting part, and the connecting part is fixedly connected with the first side part and the second side part;
the detachable crossbeam portion, crossbeam portion one end with first side portion is fixed, the crossbeam portion other end is fixed in the second side portion, the crossbeam portion with be the fretwork space between the connecting portion, the fretwork space is used for exposing and covers copper ceramic substrate, crossbeam portion is used for compressing tightly cover copper ceramic substrate.
Further, the pressure sheet frame further comprises a pin structure, the pressure sheet frame comprises a first pin part and a second pin part, the first pin part comprises a first elastic element and a first rubber pad, the second pin part comprises a second elastic element and a second rubber pad, the first elastic element is fixed with the first rubber pad and the first side part, and the second elastic element is fixed with the second rubber pad and the second side part; the first rubber pad and the second rubber pad are used for contacting with the lead frame.
Further, connecting portion include first connecting portion, first connecting portion are used for fixed with last mascerating machine's lift module.
Further, the connecting part comprises a second connecting part which is used for compressing the copper-clad ceramic substrate.
Further, first side includes a plurality of mounting hole, a plurality of the mounting hole is followed the extending direction interval of first side sets up, crossbeam portion one end has the bellying, the bellying with the mounting hole cooperation is fixed.
Further, the second side portion comprises a plurality of mounting grooves, the mounting grooves are arranged at intervals along the extending direction of the second side portion, and the other end of the beam portion is placed in the mounting grooves.
Further, the pressing sheet frame further comprises a detachable pressing strip portion, and the pressing strip portion is fixed with the beam portion and the second side portion.
Further, the bead part is placed on the upper surface of the second side part.
Furthermore, the other end of the beam part comprises a first fixing hole, the pressing strip part comprises a plurality of second fixing holes, the second fixing holes are arranged at intervals along the extending direction of the pressing strip part, the first fixing hole enters the mounting groove, each second fixing hole corresponds to one mounting groove, and the first fixing hole and the second fixing hole are used for being fixed through a fixing piece.
The embodiment of the utility model also provides a tablet pressing frame combination structure which comprises a fixing piece and the tablet pressing frame.
The utility model has the beneficial effects that: the main frame comprises a first side part, a second side part and a connecting part, and the connecting part is fixedly connected with the first side part and the second side part; the detachable beam part is fixed to the first side part at one end, the other end of the beam part is fixed to the second side part, a hollow space is formed between the beam part and the connecting part and used for exposing the copper-clad ceramic substrate, and the beam part is used for compressing the copper-clad ceramic substrate; because crossbeam portion can dismantle, consequently when compressing tightly copper ceramic substrate through crossbeam portion, can adjust according to the copper-clad ceramic substrate of different territories to avoid covering the tin cream piece on the copper ceramic substrate, avoid crossbeam portion and tin cream piece conflict and cause the damage, improved adaptability and practicality.
Drawings
FIG. 1 is a schematic view of a sheeting frame according to an embodiment of the present invention;
fig. 2 is a schematic view of a beam portion according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," "third," and the like in the description and claims of this application and in the drawings are used solely to distinguish one from another and are not used to describe a particular sequence. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The utility model will be further explained and explained with reference to the drawings and the embodiments in the description.
Referring to fig. 1 and 2, the embodiment of the utility model provides a tablet pressing frame, which comprises a main frame 1, a pin structure, a detachable beam part 2 and a detachable pressing strip part 3.
Referring to fig. 1 and 2, in the embodiment of the present invention, the main frame 1 includes a first side portion 11, a second side portion 12, and a connecting portion, and the connecting portion is fixedly connected to the first side portion 11 and the second side portion 12. Optionally, the connection portion includes a first connection portion 13 and a second connection portion 14. Specifically, the first side portion 11 and the second side portion 12 extend in the longitudinal direction, one end of the first side portion 11 and one end of the second side portion 12 are connected and fixed by the first connecting portion 13, and the other end of the first side portion 11 and the other end of the second side portion 12 are connected and fixed by the second connecting portion 14.
Referring to fig. 1, in the embodiment of the present invention, a hollow space for exposing a copper-clad ceramic substrate (DBC) is formed between the connection portion and the beam portion 2. Specifically, the beam portion 2 divides the hollow space into two parts, namely, a part between the first connection portion 13 and the beam portion 2, and a part between the second connection portion 14 and the beam portion 2. The first connecting portion 13 is used for fixing with a lifting module of a chip loader, and the second connecting portion 14 is used for compressing a copper-clad ceramic substrate (DBC).
In the embodiment of the present invention, a side of the first side portion 11 close to the hollowed-out portion has a plurality of mounting holes (not shown), and the plurality of mounting holes are arranged at intervals along the extending direction of the first side portion 11. The number of the mounting holes is set according to the requirement, and is not particularly limited.
Referring to fig. 1, in the embodiment of the present invention, a plurality of mounting grooves 121 are concavely formed on the upper surface of the second side portion 12, and the plurality of mounting grooves 121 are spaced along the extending direction of the second side portion 12 for placing the beam portion 2. Alternatively, the mounting grooves 121 and the mounting holes are provided in one-to-one correspondence in the extending direction of the first connecting portion 13 or the second connecting portion 14.
Referring to fig. 1 and 2, in the embodiment of the present invention, one end of the beam portion 2 is fixed to the first side portion 11, and the other end of the beam portion 2 is fixed to the second side portion 12. Specifically, the beam portion 2 has a protruding portion 21 at one end, and the protruding portion 21 is fixed in cooperation with the mounting hole. Alternatively, the other end of the beam portion 2 is placed in the mounting groove 121. Alternatively, the upper surface of the other end of the beam portion 2 is concavely provided with a first fixing hole 22.
Referring to fig. 1 and 2, in the embodiment of the present invention, the bead portion 3 is fixed to the beam portion 2 and the second side portion 12, and optionally, the bead portion 3 may be fixed by a separately configured fixing member, or may be fixed to the beam portion 2 and the second side portion 12 by an interference structure or a snap structure provided on the bead portion 3, which is not limited specifically; in the embodiments of the present invention, the fixing by the fixing member is described as an example. Specifically, the pressing strip portion 3 is used for pressing a copper-clad ceramic substrate (DBC), the pressing strip portion 3 includes a plurality of second fixing holes 31, the plurality of second fixing holes 31 are arranged at intervals along the extending direction of the pressing strip portion 3, the first fixing hole 22 enters any one of the mounting grooves 121, each second fixing hole 31 corresponds to one of the mounting grooves 121, and the first fixing hole 22 and the second fixing hole 31 are used for being fixed through a fixing piece. Alternatively, when the fixing member is inserted into the first fixing hole 22 and the second fixing hole 31 to fix the bead portion 3, the beam portion 2, and the second side portion 12, the bead portion 3 is placed on the upper surface of the second side portion 12.
Referring to fig. 1, in the embodiment of the utility model, the lead structure includes a first lead portion 4, a second lead portion 5, a third lead portion 6, and a fourth lead portion 7. The first lead portion 4 and the third lead portion 6 are fixed to the lower surface of the first side portion 11, and the second lead portion 5 and the fourth lead portion 7 are fixed to the lower surface of the second side portion 12. Specifically, the first lead portion 4 includes a first rubber pad 41 and a first elastic element 42, the second lead portion 5 includes a second elastic element (not shown) and a second rubber pad 51, the third lead portion 6 includes a third elastic element (not shown) and a third rubber pad 61, and the fourth lead portion 7 includes a fourth elastic element (not shown) and a fourth rubber pad 71. The first lead portion 4, the second lead portion 5, the third lead portion 6, and the fourth lead portion 7 have the same configuration, and the first lead portion 4 is taken as an example to explain the embodiment of the present invention. Alternatively, the first elastic element, the second elastic element, the third elastic element and the fourth elastic element may be springs or components made of elastic materials.
Specifically, one end of the first elastic element 42 is fixed to the first rubber pad 41, the other end of the first elastic element 42 is fixed to the first side 11, one end of the second elastic element is fixed to the second rubber pad 51, and the other end of the second elastic element is fixed to the second side 12. The first rubber pad 41, the second rubber pad 51, the third rubber pad 61, and the fourth rubber pad 71 are used for contacting with a lead frame (lead frame).
The following describes a specific working process of the embodiment of the present invention:
when a copper-clad ceramic substrate (DBC) needs to be subjected to surface mounting, a lifting module above a track in chip mounting equipment (chip loader/Die Attach equipment) is fixed with a first connecting part 13, clamping jaws in the track can clamp two sides of a lead frame (lead frame) to step a pressing frame to a preset position from a feed port along a slide rail in a workbench, and the X-axis motion range of a welding head (Bondhead) of the chip mounting equipment mainly comprises a suction nozzle for adsorbing a chip, a camera and a moving part is limited; before the lead frame (Leadframe) reaches the preset position, the lifting module and the wafer frame are in a lifting state, when the Leadframe (Leadframe) reaches the preset position, the lifting module and the wafer frame fall, the first lead part 4, the second lead part 5, the third lead part 6 and the fourth lead part 7 of the wafer frame are in contact with the Leadframe (Leadframe), the copper-clad ceramic substrate (DBC) is pressed through the beam part 2 and the second connecting part 14, and then chip pasting is started.
In the embodiment of the utility model, the pin structure formed by the elastic element and the rubber pad is adopted, the rubber pad can be pressed down by the elastic element in a certain range, so that the good contact between the pressure sheet frame and the surfaces on the two sides of the pin frame (lead frame) is ensured, the height can be adjusted, and the compatibility is strong; the rubber pad contacting the lead frame (lead frame) can limit the lead frame (lead frame) from moving or shaking in the track, and simultaneously avoid the damage to the surface of the lead frame (lead frame). In addition, through the setting of the protruding portion 21, the plurality of mounting holes, the plurality of mounting grooves 121 of the beam portion 2, make the beam portion 2 can be adjusted in the extending direction of the first side portion 11 and the second side portion 12 detachably, can effectively avoid the beam portion 2 and the Pad (the solder paste block) conflict of the paster on the copper-clad ceramic substrate (DBC), thereby disturb the movement of the bonding tool in the Z axis or destroy the Pad.
The embodiment of the utility model also provides a tablet pressing frame combination structure, which comprises a fixing piece (not shown) and the tablet pressing frame.
Alternatively, fasteners include, but are not limited to, screws, rivets, pins, and the like.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.
Claims (10)
1. A sheeting frame, comprising:
the main frame comprises a first side part, a second side part and a connecting part, and the connecting part is fixedly connected with the first side part and the second side part;
the detachable crossbeam portion, crossbeam portion one end with first side portion is fixed, the crossbeam portion other end is fixed in the second side portion, the crossbeam portion with be the fretwork space between the connecting portion, the fretwork space is used for exposing and covers copper ceramic substrate, crossbeam portion is used for compressing tightly cover copper ceramic substrate.
2. A tablet frame as claimed in claim 1, wherein: the pressure sheet frame further comprises a pin structure, the pressure sheet frame comprises a first pin part and a second pin part, the first pin part comprises a first elastic element and a first rubber pad, the second pin part comprises a second elastic element and a second rubber pad, the first elastic element is fixed with the first rubber pad and the first side part, and the second elastic element is fixed with the second rubber pad and the second side part; the first rubber pad and the second rubber pad are used for contacting with the lead frame.
3. A tablet frame as claimed in claim 1, wherein: the connecting part comprises a first connecting part, and the first connecting part is used for being fixed with a lifting module of the chip loading machine.
4. A tablet frame as claimed in claim 1, wherein: the connecting part comprises a second connecting part which is used for compressing the copper-clad ceramic substrate.
5. A tablet frame as claimed in claim 1, wherein: the first side portion comprises a plurality of mounting holes, the mounting holes are arranged at intervals along the extending direction of the first side portion, a protruding portion is arranged at one end of the beam portion, and the protruding portion is matched and fixed with the mounting holes.
6. A tablet frame as claimed in claim 1, wherein: the second side portion comprises a plurality of mounting grooves, the mounting grooves are arranged at intervals along the extending direction of the second side portion, and the other end of the beam portion is placed in the mounting grooves.
7. A tablet frame of claim 6, wherein: the pressing sheet frame further comprises a detachable pressing strip portion, and the pressing strip portion is fixed with the beam portion and the second side portion.
8. A tablet frame as claimed in claim 7, wherein: the pressing strip portion is placed on the upper surface of the second side portion.
9. A tablet frame as claimed in claim 7, wherein: the other end of the beam part comprises a first fixing hole, the pressing strip part comprises a plurality of second fixing holes, the second fixing holes are arranged at intervals along the extending direction of the pressing strip part, the first fixing holes enter the mounting grooves, each second fixing hole corresponds to one mounting groove, and the first fixing holes and the second fixing holes are used for being fixed through fixing parts.
10. A preforming frame integrated configuration which characterized in that: comprising a fixing member and a press frame as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121727572.1U CN216133859U (en) | 2021-07-27 | 2021-07-27 | Preforming frame and preforming frame integrated configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121727572.1U CN216133859U (en) | 2021-07-27 | 2021-07-27 | Preforming frame and preforming frame integrated configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216133859U true CN216133859U (en) | 2022-03-25 |
Family
ID=80768704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121727572.1U Active CN216133859U (en) | 2021-07-27 | 2021-07-27 | Preforming frame and preforming frame integrated configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216133859U (en) |
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2021
- 2021-07-27 CN CN202121727572.1U patent/CN216133859U/en active Active
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