CN218855864U - Deep cavity welding wedge-shaped cleaver with groove type tool bit end face - Google Patents
Deep cavity welding wedge-shaped cleaver with groove type tool bit end face Download PDFInfo
- Publication number
- CN218855864U CN218855864U CN202221961142.0U CN202221961142U CN218855864U CN 218855864 U CN218855864 U CN 218855864U CN 202221961142 U CN202221961142 U CN 202221961142U CN 218855864 U CN218855864 U CN 218855864U
- Authority
- CN
- China
- Prior art keywords
- groove
- bonding
- face
- knife
- wedge
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 34
- 235000014820 Galium aparine Nutrition 0.000 title description 6
- 240000005702 Galium aparine Species 0.000 title description 6
- 239000011148 porous material Substances 0.000 claims abstract description 10
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 7
- 238000012545 processing Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005493 welding type Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Landscapes
- Wire Bonding (AREA)
Abstract
The utility model discloses a deep cavity welding wedge chopper with groove type tool bit terminal surface, including handle of a knife (1), tool bit (3), the one end of handle of a knife (1) is connected with the one end of tool bit (3), tool bit (3) include oblique pin hole (4) and tool bit terminal surface (5), oblique pin hole (4) include entry (6), pore (7), export (8); the tool bit end face (5) comprises a bonding surface (10), a bonding groove (11) and an inclined surface (14), the top surface of the bonding groove (11) is the bonding surface (10), one end of the bonding groove (11) is connected with one end of the inclined surface (14), a chamfer surface (13) and a plane groove (15) are machined in the inclined surface (14), and the chamfer surface (13) is adjacent to the second circular surface (12); the outlet (8) is located on the surface of the planar groove (15) and the inlet (6) is located on the side wall of the cutter head (3). The utility model discloses can guarantee the fenestrate reliability of lead wire, promote bonding quality and bonding efficiency.
Description
Technical Field
The utility model belongs to integrated circuit encapsulation field, concretely relates to dark chamber welding wedge chopper with recess formula tool bit terminal surface.
Background
With the development of micro-assembly technology towards miniaturization, high integration, high reliability and the like, the wedge chopper becomes an important tool in various microwave device wire bonding processes. The design and selection of the wedge cleaver is influenced by a combination of factors including the wire, the substrate, the bond pad, and the bonding apparatus. In order to further improve the bonding quality and the service life, especially for the wedge-shaped welding process with high density, small welding spots and deep and multi-cavity, the unique design and the bonding performance of the wedge-shaped welding cleaver are very critical.
At present, the tool bit structure of wedge-shaped riving knife is meticulous complicated, and its processing size is tens microns only, and the size requirement of box pin hole export is high in particular, the yield reduces, the processing degree of difficulty is big, manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model provides a can guarantee lead wire perforation reliability, reduce wedge chopper manufacturing cost's dark chamber that has recess formula tool bit terminal surface and weld wedge chopper.
The utility model adopts the following technical scheme:
a deep cavity welding wedge-shaped riving knife with a groove type knife head end face is characterized in that the riving knife comprises a knife handle (1) and a knife head (3), the knife head (3) is of a wedge-shaped structure, one end of the knife handle (1) is connected with one end of the knife head (3), the knife head (3) comprises an inclined lead hole (4) and a knife head end face (5), and the inclined lead hole (4) comprises an inlet (6), a pore passage (7) and an outlet (8); the tool bit end face (5) comprises a bonding surface (10), a bonding groove (11) and an inclined surface (14), the top surface of the bonding groove (11) is the bonding surface (10), one end of the bonding groove (11) is connected with one end of the inclined surface (14), a first round surface (9) is machined at one end of the bonding groove (11), a second round surface (12) is machined at the other end of the bonding groove (11), a chamfer surface (13) and a plane groove (15) are machined inside the inclined surface (14), and the chamfer surface (13) is adjacent to the second round surface (12); the outlet (8) is located on the surface of the planar groove (15) and the inlet (6) is located on the side wall of the cutter head (3).
The deep cavity welding wedge-shaped riving knife with the groove type knife head end face is characterized in that one end of the knife handle (1) is welded with one end of the knife head (3) through a welding seam (2); the shape of handle of a knife (1) is the semicircle column, bonding face (10) with handle of a knife (1) is kept away from the terminal surface of the one end of tool bit (3) is parallel, inclined plane (14) are kept away from the one end orientation of bonding groove (11) welding seam (2) slope.
The deep cavity welding wedge-shaped riving knife with the groove type knife head end face is characterized in that the inclined lead hole (4) is a round hole or a square hole, and an included angle between the axis of the hole channel (7) and the axis of the knife handle (1) is 30-60 degrees.
The deep cavity welding wedge-shaped riving knife with the groove type knife head end face is characterized in that the bonding groove (11) is V-shaped, and the V-shaped included angle of the bonding groove (11) is 60-120 degrees.
The deep cavity welding wedge-shaped riving knife with the groove type knife head end face is characterized in that the width of the bonding groove (11) is larger than or equal to the diameter of a round hole of the inclined lead hole (4) or the width of a square hole of the inclined lead hole (4).
The deep cavity welding wedge-shaped riving knife with the groove type knife head end face is characterized in that an included angle between the oblique cutting face (13) and an axis of the knife handle (1) is 15-60 degrees, and the included angle between the oblique cutting face (13) and the axis of the knife handle (1) is smaller than or equal to an included angle between an axis of the pore channel (7) and an axis of the knife handle (1).
The deep cavity welding wedge-shaped riving knife with the groove type knife head end face is characterized in that an included angle between the inclined face (14) and an axis of the knife handle (1) is 30-85 degrees.
The deep cavity welding wedge-shaped riving knife with the groove type knife head end face is characterized in that the depth of the plane groove (15) is not lower than that of the bonding groove (11), the width of the plane groove (15) is consistent with that of the bonding groove (11), and one side of the plane groove (15) is flush with the inclined surface (14).
The utility model has the advantages of: compare the box pin hole export that high performance is costly among the prior art, the utility model discloses a fenestrate reliability of lead wire can enough be guaranteed in unique plane slot type pin hole export design, can reduce the pin hole processing cost again, further reduces wedge chopper manufacturing cost. The utility model discloses a setting up the V type bonding groove parallel with the plane groove, optimizing tool bit end face structure, effectively guaranteeing the lead wire perforation and send reliability and stability of silk, when promoting the bonding quality and the bonding efficiency of chopper, be favorable to reducing tool bit terminal surface machining-position, reduce the processing degree of difficulty, improve batch processing stability, promote machining efficiency, further reduce chopper manufacturing cost.
Drawings
FIG. 1 is a schematic structural view of the wedge-shaped riving knife of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the wedge-shaped riving knife of the present invention;
FIG. 3 is a schematic view of the structure of the wedge-shaped riving knife of the present invention;
fig. 4 is a top view of the end surface of the wedge-shaped riving knife of the present invention.
Description of reference numerals: 1-knife handle, 2-welding seam, 3-knife head, 4-inclined lead hole, 5-knife head end face, 6-inlet, 7-pore channel, 8-outlet, 9-first round face, 10-bonding face, 11-bonding groove, 12-second round face, 13-oblique cutting face, 14-inclined face and 15-plane groove.
Detailed Description
Referring to fig. 1-4, the utility model discloses a dark chamber welding wedge chopper with recess formula tool bit terminal surface, the chopper is welding type structure, including handle of a knife 1, tool bit 3 is the wedge structure, and the one end and the 3 one ends that the size is big relatively of tool bit of handle of a knife 1 are connected, and is preferred, and the one end of handle of a knife 1 is passed through welding seam 2 welding with the one end of tool bit 3, and the shape of handle of a knife 1 is the half cylinder. The cutter head 3 comprises an inclined lead hole 4 and a cutter head end face 5, wherein the inclined lead hole 4 comprises an inlet 6, a pore passage 7 and an outlet 8; the inclined lead wire hole 4 is a round hole or a square hole, and the included angle between the axis of the pore passage 7 and the axis of the cutter handle 1 is 30-60 degrees. The tool bit end face 5 comprises a bonding face 10, a bonding groove 11 and an inclined face 14, the top face of the bonding groove 11 is the bonding face 10, one end of the bonding groove 11 is connected with one end of the inclined face 14, a first round face 9 is machined at one end of the bonding groove 11, a second round face 12 is machined at the other end of the bonding groove 11, a chamfer face 13 and a plane groove 15 are machined inside the inclined face 14, and the chamfer face 13 is adjacent to the second round face 12; the included angle between the inclined cutting surface 13 and the axis of the tool handle 1 is 15-60 degrees, and the included angle between the inclined cutting surface 13 and the axis of the tool handle 1 is smaller than or equal to the included angle between the axis of the pore channel 7 and the axis of the tool handle 1. The included angle between the inclined surface 14 and the axis of the tool shank 1 is 30-85 degrees. The bonding groove 11 is V-shaped, and the V-shaped included angle of the bonding groove 11 is 60-120 degrees. The width of the bonding groove 11 is greater than or equal to the diameter of the round hole of the inclined lead hole 4 or the width of the square hole of the inclined lead hole 4. The outlet 8 is located at the surface of the planar groove 15 and the inlet 6 is located on the side wall of the cutting head 3. The bonding surface 10 is parallel to the end surface of one end of the tool holder 1 far away from the tool bit 3, and one end of the inclined surface 14 far away from the bonding groove 11 inclines towards the welding seam 2. The depth of the flat groove 15 is not less than the depth of the key groove 11, the width of the flat groove 15 is the same as the width of the key groove 11, and one side of the flat groove 15 is flush with the inclined surface 14.
The present invention will be further described with reference to the following specific embodiments.
Example 1
The utility model provides a dark chamber welds wedge-shaped riving knife with recess formula tool bit terminal surface, wedge-shaped riving knife is welding type structure, includes handle of a knife 1, welding seam 2 and 3 triplexs of tool bit, and handle of a knife 1 is the semi-cylindrical structure, and tool bit 3 is the wedge structure, and tool bit 3 includes oblique pin hole 4 and tool bit terminal surface 5, and oblique pin hole 4 is including entering mouth 6, pore 7 and export 8, and tool bit terminal surface 5 includes first disc 9, bonding surface 10, bonding groove 11, second disc 12, scarf 13, inclined plane 14 and plane groove 15. The inclined lead wire hole 4 is a round hole, the outlet 8 is positioned on the plane groove 15, and the included angle between the pore passage 7 and the axis of the knife handle 1 is 45 degrees. The bonding groove 11 is located in the middle of the bonding surface 10 and is in a V-shaped shape, and the included angle of the V-shaped shape is 90 degrees. The width of the bonding groove 11 is not less than the diameter of the circular inclined lead hole 4. The included angle between the chamfer surface 13 and the axis of the tool holder 1 is 30 degrees. The included angle between the inclined surface 14 and the axis of the tool holder 1 is 85 degrees. The depth of the flat groove 15 is not less than the depth of the key groove 11, the width of the flat groove 15 is the same as the width of the key groove 11, and one side of the flat groove 11 is flush with the inclined surface 14. The wedge-shaped cleaver prepared in the embodiment 1 is suitable for wedge bonding of multi-specification multi-material leads, the cutter head processing stations are few, the cutter head processing difficulty is small, the processing cost is low, and the plane groove and the V-shaped groove can effectively guarantee the reliability of the lead wire threading and wire feeding process, so that the excellent bonding quality and bonding efficiency of the wedge-shaped cleaver are guaranteed.
The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and changes can be made, which all belong to the protection scope of the present invention.
Claims (8)
1. A deep cavity welding wedge-shaped riving knife with a groove type knife head end face is characterized in that the riving knife comprises a knife handle (1) and a knife head (3), the knife head (3) is of a wedge-shaped structure, one end of the knife handle (1) is connected with one end of the knife head (3), the knife head (3) comprises an inclined lead hole (4) and a knife head end face (5), and the inclined lead hole (4) comprises an inlet (6), a pore passage (7) and an outlet (8); the tool bit end face (5) comprises a bonding surface (10), a bonding groove (11) and an inclined surface (14), the top surface of the bonding groove (11) is the bonding surface (10), one end of the bonding groove (11) is connected with one end of the inclined surface (14), a first round surface (9) is machined at one end of the bonding groove (11), a second round surface (12) is machined at the other end of the bonding groove (11), a chamfer surface (13) and a plane groove (15) are machined inside the inclined surface (14), and the chamfer surface (13) is adjacent to the second round surface (12); the outlet (8) is located on the surface of the planar groove (15) and the inlet (6) is located on the side wall of the cutter head (3).
2. The deep cavity welding wedge chopper with the grooved bit end face as claimed in claim 1, characterized in that one end of the knife handle (1) is welded with one end of the bit (3) through a welding seam (2); the welding tool is characterized in that the tool handle (1) is in a semi-cylindrical shape, the bonding surface (10) is parallel to the end face of one end, away from the tool bit (3), of the tool handle (1), and one end, away from the bonding groove (11), of the inclined surface (14) inclines towards the welding seam (2).
3. The deep cavity welding wedge chopper with the grooved bit end face as claimed in claim 1, wherein the inclined lead hole (4) is a circular hole or a square hole, and an included angle between an axis of the hole channel (7) and an axis of the tool shank (1) is 30-60 degrees.
4. The deep cavity welding wedge chopper with fluted bit end face according to claim 1, characterized in that the key groove (11) is V-shaped, and the V-shaped included angle of the key groove (11) is 60-120 °.
5. The deep cavity welding wedge riving knife with the fluted bit end face in accordance with claim 3 wherein the width of the key slot (11) is greater than or equal to the diameter of the round hole of the angled feed through hole (4) or the width of the square hole of the angled feed through hole (4).
6. The deep cavity welding wedge chopper with the grooved bit end face as claimed in claim 1, wherein an included angle between the chamfered surface (13) and an axis of the tool shank (1) is 15-60 degrees, and an included angle between the chamfered surface (13) and an axis of the tool shank (1) is smaller than or equal to an included angle between an axis of the duct (7) and an axis of the tool shank (1).
7. The deep cavity welding wedge chopper with fluted bit end face according to claim 3, characterized in that the included angle between the bevel (14) and the axis of the tool shank (1) is 30-85 °.
8. Deep cavity welding wedge chopper with fluted head end face according to claim 1, characterized in that the depth of the plane groove (15) is not lower than the depth of the keying groove (11), the width of the plane groove (15) is identical to the width of the keying groove (11), and one side of the plane groove (15) is flush with the bevel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221961142.0U CN218855864U (en) | 2022-07-28 | 2022-07-28 | Deep cavity welding wedge-shaped cleaver with groove type tool bit end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221961142.0U CN218855864U (en) | 2022-07-28 | 2022-07-28 | Deep cavity welding wedge-shaped cleaver with groove type tool bit end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218855864U true CN218855864U (en) | 2023-04-14 |
Family
ID=87372334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221961142.0U Active CN218855864U (en) | 2022-07-28 | 2022-07-28 | Deep cavity welding wedge-shaped cleaver with groove type tool bit end face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218855864U (en) |
-
2022
- 2022-07-28 CN CN202221961142.0U patent/CN218855864U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218123354U (en) | Wedge-shaped riving knife for thick wire deep cavity bonding | |
| CN215008142U (en) | Wedge-shaped riving knife | |
| CN218855864U (en) | Deep cavity welding wedge-shaped cleaver with groove type tool bit end face | |
| CN215008143U (en) | Cleaver for wire bonding | |
| CN115799094A (en) | Cleaver for microelectronic bonding and processing method thereof | |
| CN114799750A (en) | Wedge-shaped riving knife suitable for full-automatic bonding and machining method thereof | |
| CN201586775U (en) | High efficiency cutting drill for aluminium base board | |
| CN215145302U (en) | Diamond reamer | |
| CN213672029U (en) | Hole machining cutter for numerical control machine tool | |
| CN211304910U (en) | Drill bit for processing deep hole | |
| CN217667099U (en) | Deep cavity wedge-shaped welding chopper | |
| CN113770501A (en) | Wedge-shaped cleaver structure for improving bonding density of lead | |
| CN216065816U (en) | Circular saw blade | |
| CN218385176U (en) | Wedge-shaped riving knife with high efficiency and low energy consumption | |
| CN214640475U (en) | Long-life quick drilling drill bit | |
| CN215658064U (en) | Whole cermet bulb milling cutter | |
| CN221201113U (en) | Large-wire-diameter wire bonding riving knife | |
| CN218135021U (en) | Combined turning tool | |
| CN216461808U (en) | Tool bar with inclined angle groove | |
| CN212285986U (en) | Special shaping ladder of broken hole of processing export bores | |
| CN218555609U (en) | Split type metal cutting tool of handle of a knife | |
| CN211879341U (en) | Fine wire bonding riving knife | |
| CN217433081U (en) | Cutter for machining stepped inner hole | |
| CN221184833U (en) | Universal hard alloy drill bit with efficient chip removal structure | |
| CN219170275U (en) | Welding type alloy through hole drill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231214 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: YOUYAN ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Patentee after: Youyan (Guangdong) new material technology Research Institute Address before: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee before: YOUYAN ENGINEERING TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |