CN112658168A - Cutting device is used in processing of bonding gold wire - Google Patents
Cutting device is used in processing of bonding gold wire Download PDFInfo
- Publication number
- CN112658168A CN112658168A CN202011448623.7A CN202011448623A CN112658168A CN 112658168 A CN112658168 A CN 112658168A CN 202011448623 A CN202011448623 A CN 202011448623A CN 112658168 A CN112658168 A CN 112658168A
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- frame plate
- plate
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- cutting device
- bonding wire
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 229910052737 gold Inorganic materials 0.000 claims description 38
- 239000010931 gold Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007713 directional crystallization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to the technical field of bonding gold wire processing, and discloses a cutting device for bonding gold wire processing, which comprises a support frame plate A, a support frame plate B, a support plate, a mounting plate, a fixing plate and a support rod; the supporting frame plate B top middle part has been seted up the spread groove, fixed mounting has the fixed axle between the both sides inner wall middle part around the spread groove, the fixed axle runs through bracing piece left end middle part, it has cup jointed the sleeve pipe to rotate on the bracing piece outer wall, sleeve pipe outer wall left side fixed mounting has spacing dish. According to the device, the stepping motor drives the belt pulley A to rotate through the rotating shaft, the belt pulley A drives the rubber transmission belts to move, and the two groups of rubber transmission belts drive the bonding gold wire to vertically move downwards, so that the distance for the rubber transmission belts to drive the bonding gold wire to move can be accurately controlled through the stepping motor in the actual use process of the device, and the device can cut the bonding gold wire more accurately.
Description
Technical Field
The invention relates to the technical field of gold bonding wire processing, in particular to a cutting device for gold bonding wire processing.
Background
Gold alloy wires, also called ball bonding wires or lead wires, are used as connecting wires in integrated circuits. The content of gold is more than or equal to 99.99 percent, and the total content of trace additive elements is less than 0.01 percent. There are three types, gamma type, C type and FA type, the latter two are used for high speed bonding. The trace elements are beryllium, copper, silver and the like, and have the functions of refining grains, increasing recrystallization temperature and strengthening gold. Vacuum smelting in a high-frequency furnace, secondary remelting and directional crystallization, homogenizing, and cold processing into a finished product. Or by a liquid extrusion process. Gold bonding wires are an important material in the microelectronics industry and are used as interconnects between chips and lead frames.
The gold bonding wire needs to be cut when being used for connecting wires between a chip and a lead frame, but in the actual use process of the existing gold bonding wire cutting device, the unwinding length of the gold bonding wire from an I-shaped reel cannot be accurately controlled, so that the cutting length of the gold bonding wire cannot be accurately controlled, and the waste of the gold bonding wire is caused.
In order to solve the above problems, the present invention provides a cutting device for processing gold bonding wires.
Disclosure of Invention
The invention aims to provide a cutting device for processing a gold bonding wire, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a cutting device for processing gold bonding wires comprises a support frame plate A, a support frame plate B, a support plate, a mounting plate, a fixing plate and a support rod;
the supporting frame plate B top middle part has been seted up the spread groove, fixed mounting has the fixed axle between the both sides inner wall middle part around the spread groove, the fixed axle runs through bracing piece left end middle part, it has cup jointed the sleeve pipe to rotate on the bracing piece outer wall, sleeve pipe outer wall left side fixed mounting has spacing dish, the I shape reel has been cup jointed on the sleeve pipe outer wall.
As a preferred embodiment of the present invention, a limiting column is transversely and fixedly installed on the right side surface of the limiting disc.
In a preferred embodiment of the present invention, the left and right side surfaces of the i-shaped reel are both provided with a limiting groove, and the inner cavities of the two sets of limiting grooves are both fixedly provided with a connecting magnet.
As a preferred embodiment of the present invention, a supporting groove is formed in the middle of the top end of the supporting frame plate a, and the right end of the supporting rod is clamped in the middle of the inner cavity of the supporting groove.
Support frame plate A left surface middle part top and support frame plate B right flank middle part top between horizontal fixed welding have the mounting panel, the mounting panel middle part vertical fixation has run through the guide cylinder, the vertical fixed plate that is provided with of bilateral symmetry around mounting panel bottom middle part below, two sets of it has the axis of rotation, two sets of to rotate between the fixed plate side in opposite directions left and right sides and has run through the belt pulley B, and is two sets of all fixed the cup jointing on the axis of rotation outer wall.
As a preferred embodiment of the invention, the hanging rods are vertically and fixedly arranged between the left side and the right side of the middle part of the top ends of the two groups of fixing plates and the bottom of the mounting plate.
As a preferred embodiment of the present invention, two sets of the fixing plates are symmetrically and fixedly installed with a limiting plate in the middle of the opposite side surfaces, and the two sets of the limiting plates are respectively located at the front and rear sides of the two sets of the rubber transmission belts.
The support frame plate A left surface middle part and the support frame plate B right surface middle part are symmetrical and horizontally fixedly provided with a support plate, the support plate A left surface middle part and the support frame plate B right surface middle part are symmetrical and horizontally fixedly provided with a stepping motor, the support frame plate A left surface middle part and the support frame plate B right surface middle part are symmetrical and horizontally fixedly provided with a support plate, the support frame plate A left surface middle part and the support frame plate B.
In a preferred embodiment of the present invention, a rubber transmission belt is connected between each of the two sets of pulleys a and the adjacent pulley B.
The pneumatic cutting machine is characterized in that a pneumatic push rod and a fixed rod are horizontally and fixedly mounted on the lower portion of the middle of the left side face of the supporting frame plate A and the lower portion of the middle of the right side face of the supporting frame plate B, two groups of cutting knives are symmetrically and fixedly mounted on one end, opposite to each other, of the pneumatic push rod, and two groups of opposite end sensors are symmetrically and fixedly mounted on one end, opposite to each other, of the fixed rod.
As a preferred embodiment of the present invention, the two sets of cutting knives are respectively located at the left and right sides of the middle portion of the bottom ends of the two sets of fixing plates.
In a preferred embodiment of the present invention, the two sets of correlation sensors are respectively located at the left and right sides of the middle of the bottom ends of the two sets of fixing plates.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the cutting device for processing the bonding gold wire, the stepping motor drives the belt pulley A to rotate through the rotating shaft, the belt pulley A drives the rubber transmission belts to move, and the two groups of rubber transmission belts drive the bonding gold wire to vertically move downwards, so that compared with the existing bonding gold wire cutting device, the cutting device has the advantages that power is provided by the stepping motor in the actual use process, the distance for driving the bonding gold wire to move by the rubber transmission belts can be accurately controlled, and the bonding gold wire can be cut more accurately.
2. According to the cutting device for processing the gold bonding wire, the gold bonding wire which extends out of the two groups of rubber transmission belts in a downward moving mode is detected by the correlation sensor, and the two groups of pneumatic push rods drive the cutting knives to move transversely, so that the two groups of cutting knives move oppositely to cut the gold bonding wire.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front view of a cutting device for gold bonding wire processing according to the present invention;
FIG. 2 is a top cross-sectional view of a support rod, a sleeve and an I-shaped reel of a cutting device for gold bonding wire processing according to the present invention;
FIG. 3 is a front sectional view of a guide cylinder of a cutting device for gold bonding wire processing according to the present invention;
FIG. 4 is a top view of a fixing plate, a belt pulley B and a limiting plate of the cutting device for gold bonding wire processing according to the present invention;
FIG. 5 is a front connection structure view of a belt pulley A, a rubber transmission belt, a belt pulley B and a fixing plate of the cutting device for bonding gold wire processing according to the present invention.
In the figure: 1. a support frame plate A; 2. a support frame plate B; 3. a pneumatic push rod; 4. fixing the rod; 5. a correlation sensor; 6. a fixing plate; 7. cutting knife; 8. a rubber conveying belt; 9. a support plate; 10. a belt pulley A; 11. a stepping motor; 12. a rotating shaft; 13. a guide cylinder; 14. a limiting disc; 15. a support bar; 16. a sleeve; 17. a limiting disc; 18. an I-shaped reel; 19. mounting a plate; 20. a boom; 21. a rotating shaft; 22. a belt pulley B; 23. a fixed shaft; 24. connecting grooves; 25. a limiting column; 26. connecting a magnet; 27. a limiting groove; 28. and a support groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the types of the electrical appliances provided in the present invention are only used for reference, and for those skilled in the art, different types of electrical appliances with the same function can be replaced according to the actual use condition, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-2, the present invention provides a technical solution: a cutting device for processing gold bonding wires comprises a support frame plate A1, a support frame plate B2, a support plate 9, an installation plate 19, a fixing plate 6 and a support rod 15;
connecting groove 24 has been seted up at support frame plate B2 top middle part, fixed mounting has fixed axle 23 between the inner wall middle part of both sides around the connecting groove 24, fixed axle 23 runs through bracing piece 15 left end middle part, it has cup jointed sleeve pipe 16 to rotate on the bracing piece 15 outer wall, sleeve pipe 16 outer wall left side fixed mounting has spacing dish 14, the I shape reel 18 has been cup jointed on the sleeve pipe 16 outer wall.
In this embodiment (see fig. 1), the supporting rod 15 is rotated around the fixed shaft 23, so that the right end of the supporting rod 15 moves out of the supporting groove 28 at the top of the supporting frame plate a1, and then the i-shaped reel 18 wound with the gold bonding wire is sleeved on the outer wall of the sleeve 16, so that the limiting post 25 on the right side of the limiting disc 14 on the left side of the outer wall of the sleeve 16 is inserted into the inner cavity of the limiting groove 27, and the connecting magnet 26 in the inner cavity of the limiting groove 27 attracts the limiting post 25 by magnetic force, so that the position of the i-shaped reel 18 is fixed.
In an alternative embodiment, the right side of the limiting plate 14 is transversely and fixedly provided with a limiting column 25.
In this embodiment (see fig. 1), the limiting post 25 can be inserted into the inner cavity of the limiting groove 27 of the i-shaped reel 18 by the arrangement of the limiting post 25.
In an optional embodiment, the left and right side surfaces of the i-shaped reel 18 are both provided with limiting grooves 27, and the inner cavities of the two groups of limiting grooves 27 are both fixedly provided with connecting magnets 26.
In this embodiment (see fig. 1), the connecting magnet 26 is disposed to attract the limiting post 25 by magnetic force, so that the limiting post 25 is fixedly inserted into the inner cavity of the limiting groove 27.
In an alternative embodiment, the supporting frame plate a1 has a supporting groove 28 formed at the middle of the top end, and the right end of the supporting rod 15 is clipped into the middle of the inner cavity of the supporting groove 28.
In this embodiment (see fig. 1), the support groove 18 may provide support for the right end of the support bar 15 by the support groove 28, so that the support bar 15 is horizontally and transversely located between the top of the support frame plate a1 and the top of the support frame plate B2.
Support frame plate A1 left surface middle part top and support frame plate B2 right surface middle part top between horizontal fixed welding have mounting panel 19, 19 middle parts vertical fixation of mounting panel runs through guide cylinder 13, the vertical fixed plate 6 that is provided with of bilateral symmetry around 19 bottom middle part below, two sets of rotate between the 6 a left and right sides in opposite directions of fixed plate and run through axis of rotation 21, two sets of all fixed cover has been connected belt pulley B22 on the axis of rotation 21 outer wall.
In this embodiment (see fig. 1), the gold bonding wire on the i-shaped reel 13 is passed through the cavity of the guide cylinder 13, and then the gold bonding wire is passed between the two sets of rubber belts 8 and the limiting disc 17.
In an alternative embodiment, the suspension rods 20 are vertically and fixedly arranged between the left side and the right side of the middle of the top ends of the two groups of fixing plates 6 and the bottom of the mounting plate 19.
In this embodiment (see fig. 1), the fixing plate 6 can be fixed by the suspension rod 20 through the arrangement of the suspension rod 20.
In an alternative embodiment, two sets of limiting discs 17 are symmetrically and fixedly mounted in the middle of the opposite side surfaces of the two sets of fixing plates 6, and the two sets of limiting discs 17 are respectively located at the front side and the rear side of the two sets of rubber transmission belts 8.
In this embodiment (see fig. 1), by the arrangement of the limiting disc 17, the limiting disc 17 can limit the bonding gold wire passing through between the two sets of rubber transmission belts 8, so that the bonding gold wire can be vertically transmitted downwards under the driving of the rubber transmission belts 8.
Support frame plate A1 left surface middle part and support frame plate B2 right flank middle part symmetry horizontal fixed mounting have backup pad 9, two sets of equal fixed mounting in backup pad 9 top middle part has step motor 11, and is two sets of 11 middle parts of step motor all rotate and are provided with pivot 12, and are two sets of the equal fixed mounting in pivot 12 front end has belt pulley A10.
In this embodiment (see fig. 1), the stepping motor 11 drives the belt pulley a10 to rotate through the rotating shaft 12, the belt pulley a10 drives the rubber transmission belts 8 to move, and the two groups of rubber transmission belts 8 drive the gold bonding wires to move vertically downward.
In an alternative embodiment, a rubber transmission belt 8 is connected between each of the two sets of pulleys a10 and the adjacent pulley B22.
In this embodiment (see fig. 1), the rubber transmission belt 8 rotates to drive the gold bonding wire to move vertically and downwardly by the arrangement of the rubber transmission belt 8.
The pneumatic cutting machine is characterized in that a pneumatic push rod 3 and a fixed rod 4 are horizontally and fixedly mounted on the middle lower portion of the left side face of the support frame plate A1 and the middle lower portion of the right side face of the support frame plate B2, two groups of cutting knives 7 are symmetrically and fixedly mounted on one opposite ends of the pneumatic push rod 3, and two groups of opposite ends of the fixed rod 4 are symmetrically and fixedly mounted with correlation sensors 5.
In this embodiment (see fig. 1), the gold bonding wire moving downward between the two sets of rubber belts 8 is detected by the correlation sensor 5, and at this time, the two sets of pneumatic push rods 3 drive the cutting blades 7 to move laterally, so that the two sets of cutting blades 7 move oppositely to cut the gold bonding wire.
In an alternative embodiment, two sets of the cutting knives 7 are respectively located at the left and right sides of the middle of the bottom ends of two sets of the fixing plates 6.
In this embodiment (see fig. 1), the gold bonding wire can be cut by moving the cutting blades 7 with each other through the arrangement of the cutting blades 7.
In an alternative embodiment, two sets of the correlation sensors 5 are respectively located at the left and right sides of the middle of the bottom ends of two sets of the fixing plates 6. .
In this embodiment (see fig. 1), the correlation sensor 5 can detect the bonding wires extending from the bottoms of the two sets of rubber belts 8 by the arrangement of the correlation sensor 5.
The invention relates to a cutting device for processing a gold bonding wire, which comprises a support frame plate A and a cutting device, wherein the support frame plate A is provided with a cutting head and a cutting head; 2. a support frame plate B; 3. a pneumatic push rod; 4. fixing the rod; 5. a correlation sensor; 6. a fixing plate; 7. cutting knife; 8. a rubber conveying belt; 9. a support plate; 10. a belt pulley A; 11. a stepping motor; 12. a rotating shaft; 13. a guide cylinder; 14. a limiting disc; 15. a support bar; 16. a sleeve; 17. a limiting disc; 18. an I-shaped reel; 19. mounting a plate; 20. a boom; 21. a rotating shaft; 22. a belt pulley B; 23. a fixed shaft; 24. connecting grooves; 25. a limiting column; 26. connecting a magnet; 27. a limiting groove; 28. the support groove and the components are all universal standard parts or components known to those skilled in the art, and the structure and the principle of the support groove are known to those skilled in the technical manual or by routine experiments.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A cutting device for processing a gold bonding wire is characterized by comprising a support frame plate A (1), a support frame plate B (2), a support plate (9), a mounting plate (19), a fixing plate (6) and a support rod (15);
a connecting groove (24) is formed in the middle of the top end of the support frame plate B (2), a fixed shaft (23) is fixedly mounted between the middle parts of the inner walls of the front side and the rear side of the connecting groove (24), the fixed shaft (23) penetrates through the middle part of the left end of the support rod (15), a sleeve (16) is rotatably sleeved on the outer wall of the support rod (15), a limiting disc (14) is fixedly mounted on the left side of the outer wall of the sleeve (16), and an I-shaped reel (18) is sleeved on the outer wall of the sleeve;
a mounting plate (19) is transversely and fixedly welded between the upper part of the middle part of the left side face of the supporting frame plate A (1) and the upper part of the middle part of the right side face of the supporting frame plate B (2), a guide cylinder (13) is vertically and fixedly penetrated in the middle of the mounting plate (19), fixing plates (6) are symmetrically and vertically arranged on the front side and the rear side below the middle part of the bottom end of the mounting plate (19), rotating shafts (21) are rotatably penetrated between the left side and the right side of the opposite side faces of the two groups of fixing plates (6), and belt pulleys B (22) are fixedly sleeved on the;
the middle part of the left side face of the supporting frame plate A (1) and the middle part of the right side face of the supporting frame plate B (2) are symmetrically, transversely and fixedly provided with supporting plates (9), the middle parts of the top ends of the two groups of supporting plates (9) are respectively and fixedly provided with a stepping motor (11), the middle parts of the two groups of stepping motors (11) are respectively and rotatably provided with a rotating shaft (12), the front ends of the two groups of rotating shafts (12) are respectively and fixedly provided with belt pulleys A (10), and rubber transmission belts (8) are respectively connected between the two groups of belt pulleys A (10) and adjacent;
the support frame plate A (1) left surface middle part below and support frame plate B (2) right surface middle part below all transversely horizontal fixed mounting have pneumatic push rod (3) and dead lever (4), two sets of the horizontal axis symmetry fixed mounting has on the one end that pneumatic push rod (3) is in opposite directions cuts sword (7), and is two sets of dead lever (4) opposite ends symmetry fixed mounting has correlation sensor (5).
2. The cutting device for gold bonding wire processing according to claim 1, wherein: and a limiting column (25) is transversely and fixedly arranged on the right side surface of the limiting disc (14).
3. The cutting device for gold bonding wire processing according to claim 1, wherein: limiting grooves (27) are formed in the left side face and the right side face of the I-shaped reel (18), and connecting magnets (26) are fixedly mounted in the inner cavities of the limiting grooves (27).
4. The cutting device for gold bonding wire processing according to claim 1, wherein: support groove (28) have been seted up in support frame board A (1) top middle part, bracing piece (15) right end card is gone into in support groove (28) inner chamber middle part.
5. The cutting device for gold bonding wire processing according to claim 1, wherein: and hanging rods (20) are vertically and fixedly arranged between the left side and the right side of the middle part of the top end of the two groups of fixing plates (6) and the bottom of the mounting plate (19).
6. The cutting device for gold bonding wire processing according to claim 1, wherein: two sets of fixed plate (6) opposite side middle part symmetry fixed mounting has spacing dish (17), and is two sets of spacing dish (17) are located both sides around two sets of rubber transmission band (8) respectively.
7. The cutting device for gold bonding wire processing according to claim 1, wherein: the two groups of cutting knives (7) are respectively positioned at the left side and the right side of the middle part of the bottom ends of the two groups of fixing plates (6).
8. The cutting device for gold bonding wire processing according to claim 1, wherein: the two groups of correlation sensors (5) are respectively positioned at the left side and the right side of the middle part of the bottom ends of the two groups of fixed plates (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448623.7A CN112658168A (en) | 2020-12-09 | 2020-12-09 | Cutting device is used in processing of bonding gold wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011448623.7A CN112658168A (en) | 2020-12-09 | 2020-12-09 | Cutting device is used in processing of bonding gold wire |
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| CN112658168A true CN112658168A (en) | 2021-04-16 |
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| CN202011448623.7A Pending CN112658168A (en) | 2020-12-09 | 2020-12-09 | Cutting device is used in processing of bonding gold wire |
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Application publication date: 20210416 |