CN214978683U - Micro-electronic micro-connection deep cavity welding cleaver with smooth wire feeding oblique angle structure - Google Patents
Micro-electronic micro-connection deep cavity welding cleaver with smooth wire feeding oblique angle structure Download PDFInfo
- Publication number
- CN214978683U CN214978683U CN202120017239.5U CN202120017239U CN214978683U CN 214978683 U CN214978683 U CN 214978683U CN 202120017239 U CN202120017239 U CN 202120017239U CN 214978683 U CN214978683 U CN 214978683U
- Authority
- CN
- China
- Prior art keywords
- micro
- wire
- hole
- welding
- main body
- 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.)
- Active
Links
Images
Landscapes
- Wire Bonding (AREA)
Abstract
The utility model discloses a micro-electronic micro-connection deep cavity welding chopper with a smooth wire feeding bevel structure, which comprises a chopper main body, wherein one end of the chopper main body is a welding end, the welding end of the chopper main body is provided with a step-shaped unfilled corner, and the length direction of the unfilled corner is consistent with the length direction of the chopper main body; the welding end is provided with a small micropore, one end of the small micropore is positioned on one side surface of the unfilled corner, the other end of the small micropore is positioned on the welding end, the included angle between the axis of the small micropore and the end surface of the welding end is alpha, and alpha is more than or equal to 52 degrees and less than or equal to 62 degrees.
Description
Technical Field
The utility model relates to a microelectronics field especially relates to a microelectronics connects dark chamber welding chopper a little with send a bevel angle structure smoothly.
Background
The included angle between the central line of the small micropore of the riving knife and the working surface of the riving knife is 45 degrees, but the included angle is not beneficial to the situation that a gold wire or an aluminum wire enters a small horn mouth from a wire through hole.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a little electron is connected dark chamber welding chopper a little with send a bevel structure smoothly has the advantage that the gold wire or aluminium wire of being convenient for get into little horn mouth from the wire feed hole.
The technical scheme of the utility model is that:
a micro-electronic micro-connection deep cavity welding chopper with a smooth wire feeding bevel structure comprises a chopper main body, wherein one end of the chopper main body is a welding end, the welding end of the chopper main body is provided with a step-shaped unfilled corner, and the length direction of the unfilled corner is consistent with the length direction of the chopper main body;
the welding end is provided with a small micropore, one end of the small micropore is positioned on one side surface of the unfilled corner, the other end of the small micropore is positioned on the welding end, the included angle between the axis of the small micropore and the end surface of the welding end is alpha, and alpha is more than or equal to 52 degrees and less than or equal to 62 degrees.
The working principle of the technical scheme is as follows:
the included angle alpha between the central line of the small micropore on the riving knife main body and the end face of the welding end is increased to 52-62 degrees, so that the bending angle of the gold wire or the aluminum wire is only 38-28 degrees after the gold wire or the aluminum wire passes through the second wire passing transition hole from the first wire passing hole, the bending is relatively small in the wire discharging process from top to bottom, and the smooth wire discharging is facilitated. Particularly, the aluminum wires which are very fragile and not as flexible as the gold wires are discharged at a smaller bending angle, so that the wire discharging is convenient on one hand, and the wire discharging is particularly favorable for automatic welding and high-speed wire discharging on the other hand.
In a further technical scheme, the side face of the end, provided with the small micropores, of the unfilled corner is a first side face, the length direction of the first side face is consistent with the length direction of the riving knife main body, and the small micropores on the first side face are horn-shaped.
In a further technical scheme, a wire penetrating hole is formed in the riving knife body along the length direction of the riving knife body, and one end of the wire penetrating hole is located on the other side face of the unfilled corner.
The utility model has the advantages that:
1. the included angle alpha between the central line of the small micropore on the riving knife main body and the end face of the welding end is increased to 52-62 degrees, so that the bending angle of the gold wire or the aluminum wire is only 38-28 degrees after the gold wire or the aluminum wire passes through the second wire passing transition hole from the first wire passing hole, the bending is relatively small in the wire discharging process from top to bottom, and the smooth wire discharging is facilitated. Particularly, aiming at the aluminum wires which are very fragile and have flexibility inferior to that of gold wires, the wires are discharged at a smaller bending angle, so that the wires are convenient to discharge on one hand, the wires are particularly favorable for automatic welding high-speed wire discharge on the other hand, and the possibility of scratching the side walls of the wires is reduced;
2. the utility model has simple structure and reasonable design, and particularly, the matching of the transition hole and the first wire through hole and the second wire through hole ensures that the gold wire can smoothly transition between the two holes, thereby improving the success rate of manual wire through; meanwhile, the speed of the automatic welding line is improved.
3. The horn mouth is arranged on the unfilled corner side wall, so that the bending degree of the gold wire is reduced, and the gold wire is not easy to break.
Drawings
FIG. 1 is a schematic structural view of a microelectronic micro-junction deep cavity welding chopper with a smooth wire feeding bevel structure according to the present invention.
Description of reference numerals:
1. a riving knife body; 2. welding the end; 3. a small micropore; 4. a first side surface; 5. a second end face; 6. a second threading hole; 7. a transition hole; 8. a first threading hole.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example (b):
as shown in figure 1, the micro-electronic micro-connection deep cavity welding chopper with the smooth wire feeding bevel structure comprises a chopper main body 1, one end of the chopper main body 1 is a welding end 2, the welding end 2 of the chopper main body 1 is provided with an unfilled corner, the unfilled corner is provided with a first side surface 4 and a second side surface, the length direction of the first side surface 4 is consistent with the length direction of the chopper main body 1, the unfilled corner occupies one part of the welding end 2, the welding end 2 is provided with a small micropore 3, one end of the small micropore 3 is positioned on the end surface of the welding end 2, the other end of the small micropore 3 is positioned on the first side surface 4 of the unfilled corner, the small micropore 3 is a circular hole, an included angle alpha is formed between the axis of the small micropore 3 and the end surface of the welding end 2, and alpha is more than or equal to 52 degrees and less than or equal to 62 degrees.
The internal of the riving knife main body 1 is provided with a wire penetrating hole along the length direction, one end of the wire penetrating hole is positioned on the second side surface of the unfilled corner, the small micropore 3 on the second side surface is horn-shaped, the gold wire or the aluminum wire enters the small micropore 3 after passing through the wire penetrating hole, the conventional gold wire or the aluminum wire enters the small micropore 3 with alpha being 45 degrees after passing through the wire penetrating hole, which means that the gold wire or the aluminum wire is bent at 45 degrees, and thus the wire outlet of the gold wire or the aluminum wire is not smooth.
The included angle alpha between the central line of the small micropore 3 on the riving knife main body 1 and the end face of the welding end 2 is increased to 52-62 degrees, so that when a gold wire or an aluminum wire enters the small micropore 3 from a wire through hole, the required bending angle is only 38-28 degrees, the bending is relatively small in the wire discharging process from top to bottom, and the smooth wire discharging is facilitated. Particularly, the aluminum wires which are very fragile and not as flexible as the gold wires are discharged at a smaller bending angle, so that the wire discharging is convenient on one hand, and the wire discharging is particularly favorable for automatic welding and high-speed wire discharging on the other hand.
In another embodiment:
as shown in fig. 1, the wire passing holes include a first wire passing hole 8 and a second wire passing hole 6, a first cylindrical wire passing hole 8 is formed in the riving knife body 1 along the length direction thereof, a second cylindrical wire passing hole 6 coaxial with the first wire passing hole 8 and formed in the column shape is formed in the second side surface of the unfilled corner, the diameter and the depth of the second wire passing hole 6 are respectively smaller than the diameter and the depth of the first wire passing hole 8, the first wire passing hole 8 and the second wire passing hole 6 have unequal diameters, and if the inner part of the riving knife body 1 is directly communicated, the connecting part can form an inner wall for blocking the passing of a gold wire on the hole edge of the first wire passing hole 8, so that the first wire passing hole 8 and the second wire passing hole 6 need to be connected in a transition manner.
The section of the transition hole 7 is similar to a cone, the transition hole 7 for connecting the first wire feed hole 8 and the second wire feed hole 6 is further formed in the riving knife main body 1, the section of the transition hole 7 is isosceles trapezoid, one long-diameter end of the transition hole 7 is connected with one end, located in the riving knife, of the first wire feed hole 8, one short-diameter end of the transition hole 7 is connected with one end, located in the riving knife, of the second wire feed hole 6, the extending included angle of two waist lines of the transition hole 7 is a, and the range of the a is more than or equal to 20 degrees and less than or equal to 90 degrees.
In another embodiment:
the included angle alpha between the axis of the small micro-hole 3 and the end face of the welding end 2 is 52 degrees. The diameter ratio of the first threading hole 8 to the second threading hole 6 is 2: 1, the diameter ratio of the second wire penetrating hole 6 to the small micropores 3 is 2: 1, each hole has a step-shaped guiding function for the gold wire.
The depth-diameter ratio of the first threading hole 8 to the second threading hole 6 is 40: 1, the depth-diameter ratio is larger, the aperture is moderate, the phenomenon that a gold wire is bent and broken when contacting with burrs in a hole is avoided, and electric sparks are used for hole machining, so that the precision reaches better requirements.
In another embodiment:
the included angle alpha between the axis of the small micro-hole 3 and the end face of the welding end 2 is 52 degrees. The diameter ratio of the first threading hole 8 to the second threading hole 6 is 5: 1, the diameter ratio of the second wire penetrating hole 6 to the small micropores 3 is 5: 1, each hole has a step-shaped guiding function for the gold wire.
The depth-diameter ratio of the first threading hole 8 to the second threading hole 6 is 40: 1, the depth-diameter ratio is larger, the aperture is moderate, the phenomenon that a gold wire is bent and broken when contacting with burrs in a hole is avoided, and electric sparks are used for hole machining, so that the precision reaches better requirements.
In another embodiment:
the included angle alpha between the axis of the small micropore 3 and the end face of the welding end 2 is more than or equal to 52 degrees and less than or equal to 62 degrees. The diameter ratio of the first threading hole 8 to the second threading hole 6 is 5: 1, the diameter ratio of the second wire penetrating hole 6 to the small micropores 3 is 5: 1, each hole has a step-shaped guiding function for the gold wire.
The depth-diameter ratio of the first threading hole 8 to the second threading hole 6 is 40: 1, the depth-diameter ratio is larger, the aperture is moderate, the phenomenon that a gold wire is bent and broken when contacting with burrs in a hole is avoided, and electric sparks are used for hole machining, so that the precision reaches better requirements.
The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (3)
1. A micro-electronic micro-connection deep cavity welding chopper with a smooth wire feeding bevel structure comprises a chopper main body and is characterized in that one end of the chopper main body is a welding end, the welding end of the chopper main body is provided with a step-shaped unfilled corner, and the length direction of the unfilled corner is consistent with the length direction of the chopper main body;
the welding end is provided with a small micropore, one end of the small micropore is positioned on one side surface of the unfilled corner, the other end of the small micropore is positioned on the welding end, the included angle between the axis of the small micropore and the end surface of the welding end is alpha, and alpha is more than or equal to 52 degrees and less than or equal to 62 degrees.
2. The micro-electronic micro-interconnect deep cavity solder cleaver with a smooth wire feed bevel structure as claimed in claim 1, wherein the side of the end of the notch with the small micro-hole is a first side, the length direction of the first side is the same as the length direction of the cleaver body, and the small micro-hole on the first side is trumpet-shaped.
3. The microelectronic micro-interconnect deep cavity solder cleaver of claim 1, wherein the cleaver body has a wire hole along its length, and one end of the wire hole is located on the other side of the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120017239.5U CN214978683U (en) | 2021-01-04 | 2021-01-04 | Micro-electronic micro-connection deep cavity welding cleaver with smooth wire feeding oblique angle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120017239.5U CN214978683U (en) | 2021-01-04 | 2021-01-04 | Micro-electronic micro-connection deep cavity welding cleaver with smooth wire feeding oblique angle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214978683U true CN214978683U (en) | 2021-12-03 |
Family
ID=79143294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120017239.5U Active CN214978683U (en) | 2021-01-04 | 2021-01-04 | Micro-electronic micro-connection deep cavity welding cleaver with smooth wire feeding oblique angle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214978683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000511A (en) * | 2022-12-26 | 2023-04-25 | 深圳市海志亿半导体工具有限公司 | Cutter head for enhancing fine-pitch wire feeding forming effect |
| CN116053151A (en) * | 2022-12-26 | 2023-05-02 | 深圳市海志亿半导体工具有限公司 | Wedge-shaped riving knife with side incoming line |
-
2021
- 2021-01-04 CN CN202120017239.5U patent/CN214978683U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000511A (en) * | 2022-12-26 | 2023-04-25 | 深圳市海志亿半导体工具有限公司 | Cutter head for enhancing fine-pitch wire feeding forming effect |
| CN116053151A (en) * | 2022-12-26 | 2023-05-02 | 深圳市海志亿半导体工具有限公司 | Wedge-shaped riving knife with side incoming line |
| CN116000511B (en) * | 2022-12-26 | 2024-04-09 | 深圳市海志亿半导体工具有限公司 | Cutter head for enhancing fine-pitch wire feeding forming effect |
| CN116053151B (en) * | 2022-12-26 | 2024-04-09 | 深圳市海志亿半导体工具有限公司 | Wedge-shaped riving knife with side incoming line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214978683U (en) | Micro-electronic micro-connection deep cavity welding cleaver with smooth wire feeding oblique angle structure | |
| CN216793614U (en) | Micro-electronic micro-connection deep cavity welding cleaver | |
| CN114799595A (en) | Deep cavity welding wedge-shaped cleaver and machining method thereof | |
| CN211759353U (en) | Micro-electronic micro-connection deep cavity welding brazing chopper | |
| CN113787250B (en) | Promote wedge riving knife structure of lead bonding precision | |
| CN212542355U (en) | Welded IC chip cleaver | |
| CN209880543U (en) | Conical micro-electronic micro-connection deep cavity welding cleaver | |
| CN214489333U (en) | Deep cavity welding chopper with wire feeding chamfer structure | |
| CN217691061U (en) | Superfine spacing welding chopper for full-automatic wire welding machine | |
| CN210052714U (en) | N-shaped micro-electronic micro-connection deep cavity welding cleaver | |
| CN113770501B (en) | Wedge-shaped cleaver structure for improving bonding density of lead | |
| CN217647665U (en) | Automatic wedge welding chopper | |
| CN215008143U (en) | Cleaver for wire bonding | |
| CN215008142U (en) | Wedge-shaped riving knife | |
| CN210325543U (en) | Capacitor guide pin and tail end processing system thereof | |
| CN212385729U (en) | Single-side through hole-drilling edge-breakage-free diamond sharp drill bit | |
| CN218657306U (en) | Ultra-fine spacing and ultra-close wall wedge welding cleaver for full-automatic wire welding machine | |
| CN218135694U (en) | Copper nozzle with wire guiding function | |
| CN204413237U (en) | Cold depth twist drill in the self-centering of abs valve body whole hard alloy | |
| CN216325180U (en) | Straight-through type round hole wire guide hole deep cavity welding cleaver | |
| CN220073362U (en) | Wave core taper drill bit | |
| CN210524046U (en) | Screw tap with improved threads | |
| CN212848314U (en) | Wedge welding chopper | |
| CN209830395U (en) | Microminiature gradual change spiral high performance milling cutter | |
| CN214518357U (en) | Deep cavity welding cleaver with tool tip provided with C-shaped groove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |