CN107138699A - Bonding wire continuous casting furnace - Google Patents
Bonding wire continuous casting furnace Download PDFInfo
- Publication number
- CN107138699A CN107138699A CN201710522355.0A CN201710522355A CN107138699A CN 107138699 A CN107138699 A CN 107138699A CN 201710522355 A CN201710522355 A CN 201710522355A CN 107138699 A CN107138699 A CN 107138699A
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- China
- Prior art keywords
- hole
- bonding wire
- rod
- continuous casting
- cooling
- 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.)
- Pending
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 63
- 238000001816 cooling Methods 0.000 claims abstract description 97
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052802 copper Inorganic materials 0.000 claims abstract description 53
- 239000010949 copper Substances 0.000 claims abstract description 53
- 239000002184 metal Substances 0.000 claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 72
- 229910002804 graphite Inorganic materials 0.000 claims description 72
- 239000010439 graphite Substances 0.000 claims description 72
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000009413 insulation Methods 0.000 claims description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000000155 melt Substances 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 239000008398 formation water Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 229910052571 earthenware Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 238000002844 melting Methods 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/005—Continuous casting of metals, i.e. casting in indefinite lengths of wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/08—Accessories for starting the casting procedure
- B22D11/081—Starter bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/113—Treating the molten metal by vacuum treating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/114—Treating the molten metal by using agitating or vibrating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/141—Plants for continuous casting for vertical casting
Abstract
The invention discloses a kind of bonding wire continuous casting furnace, bonding wire continuous casting furnace can be in continuous casting under high vacuum state, the bonding wire of casting is continual to be around in receiving rack, metal melt portion is provided with the agitating device of motor drive, and agitating device is eccentric agitating device, during eccentric agitating device rotation, raw material metal after liquid can persistently be stirred, cooling end effectively can be solidified liquid metal using cooling copper mold and water cooling circulation line, and cooling effectiveness is high.Vacuum is provided with observation window, has the guiding device of cooling effect concurrently, form vacuum after vacuum vacuumizing, in the chamber without air will not para-linkage silk oxidation, bonding wire again from guiding device cool down, enter guide part after cooling, bonding wire is imported by receiving rack by guide part.Bonding wire continuous casting furnace of the present invention can be in continuous casting under high vacuum state, and the bonding yarn quality produced is good, and production efficiency is high.
Description
Technical field
The present invention relates to equipment, bonding wire continuous casting furnace is particularly related to.
Background technology
Bonding wire is one of critical material of encapsulation, and its function is to realize the electrical connection of semiconductor chip and pin, is risen
Chip to import with extraneous electric current and derived effect.
In the prior art, bonding wire material melts in vacuum drying oven, then is forged and pressed through mould, due to the length limitation of mould, key
Regular length can only be made in plying, and the bonding wire defect produced is more, and its specific defect is as follows：
1. product impurity is more, quality is unstable；
2. alloy uniformity is poor；
3. production capacity is low；
4. product surface is oxidizable, crystallization effect is poor；
5. control condensation is bad, alloy arrangement is uneven；
6. it is easily broken off when doing ultra-fine bonding wire process；
Therefore, solved the above problems in the urgent need to a kind of bonding wire continuous casting furnace apparatus.
The content of the invention
For deficiency of the prior art, the technical problem to be solved in the present invention is the provision of bonding wire continuous casting furnace, should
Bonding wire continuous casting furnace can uninterruptedly cast bonding wire in continuous casting under high vacuum state.
In order to solve the above technical problems, the present invention is realized by following scheme：Bonding wire continuous casting furnace, the continuous casting furnace includes
The feeder cabinet of integrated circuit, the mounting bracket for being installed on the adjacent side of feeder cabinet, the mounting bracket are provided with two layers, and centre is installing plate, described
Continuous casting furnace also includes：
Metal melt portion, the metal melt portion is placed in the top of continuous casting furnace, and it is provided with heater, eccentric agitating device, plus
Thermal is used for metal molten, and eccentric agitating device is also associated with secondary charging device, and metal molten is stirred into bias after liquid
Mix device persistently to stir, the uniform rear haulage rod of liquid metal is moved downward；
Cooling end, the cooling end is connected with metal melt subordinate end, and it includes cooling copper mold and is arranged in cooling copper mold
It is guide hole in the middle part of water cooling circulation line, cooling copper mold, drawing bar is moved downward along the guide hole, cooling copper mold and water cooling
Circulation line is cooled and solidified to liquid metal, forms bonding wire；
Vacuum, the vacuum is connected with the metal melt portion, cooling end, after evacuation, vacuum, metal melt
Portion, the chamber of cooling end connection are entirely vacuum state, and the vacuum is placed in the lower end of cooling end, the upper table of the installing plate
Face, its lateral wall is provided with the middle part of the observation window that can be opened, the port being connected with vavuum pump, vacuum inner chamber bottom surface and is provided with
Guiding device, guiding device is provided with guide hole, and along the guide hole downwards, the bonding wire after drawing solidification is moved downward drawing bar；
Guide part, the guide part is installed on the sidepiece of feeder cabinet, and it includes some guiding mechanisms, and guiding mechanism draws for clamping
Lead traction and the guiding of drawing bar and para-linkage silk.
Further, the metal melt portion includes melt stove, heat-insulation layer, insulation cover, quartz glass sleeve, heating dress
Put, eccentric agitating device, secondary charging device；
The melt stove be graphite crucible, its bottom surface be inverted cone surface, conical surface center be provided with blanking hole, drawing bar do not work before be by
The blanking hole closure, the melt stove is placed in the heat-insulation layer, and its upper end cover has is cased with stone outside insulation cover, the heat-insulation layer
English glass bushing, heat-insulation layer and the quartz glass sleeve lower end is all placed in the cooling copper mold upper end, and connects in cooling copper mold
Meet place and seal gasket is set, the quartz glass sleeve upper end is provided with casing cover, and is provided with seal gasket in its junction, described
Heat-insulation layer, insulation cover are high temperature cotton；
Eccentric agitating device is installed, the eccentric agitating device is installed including motor at the lid middle through-hole of described sleeve pipe lid
Frame, motor, drive rod, agitator, double cylinders, described sleeve pipe lid middle through-hole edge are provided with the cylinder with through hole, cylinder
End sets motor mounting rack, and the motor mounting rack horizontal extension stretches a segment distance, motor mounting rack outboard end perpendicular to
Motor mounting rack, opposite side is placed on drive rod, and is provided with follower on the body of rod of drive rod, and drive rod lower end connects institute
Agitator is stated, the agitator includes connecting rod and disk, and the disk lower end is provided with eccentric rod, the disk and bias
Axostylus axostyle is located in graphite crucible inner chamber；Driving wheel is provided with the motor, driving wheel passes through belt drive follower, the drive
It is in through hole, the through hole and the graphite crucible in the middle part of connecting rod connection on the lower end and agitator of lever, the connecting rod
Chamber is connected, and the drive rod middle through-hole, its through hole is connected with connecting rod middle through-hole；
The agitator is also associated with double cylinders, and described pair of cylinder is used for down or up agitator；
The drive rod upper end connects the secondary charging device, and the secondary charging device includes secondary charging pumping rod, charging
Bunker, the charging bunker is placed in the upper end of eccentric agitating device, and its lower end discharging opening is connected with drive rod upper end oral area,
The secondary charging pumping rod is placed in the middle part of the lid of charging bunker, and its body of rod lower end extends to the discharging opening of charging bunker,
Discharging opening is blocked when not feeding；
Heater is provided with the outside of the quartz glass sleeve, in the height region of graphite crucible, the heater includes
Nonmetallic coiling sleeve, magnet coil, the magnet coil are wound on nonmetallic coiling sleeve lateral wall.
Further, the melt furnace bottom face is provided with recessed circle, and temperature sensor is provided with the recessed circle.
Further, in reaming in the middle part of the graphite crucible lower end, its reaming and heat-insulation layer lower through-hole, cooling copper mold
It is provided with to be provided with guide hole, the guide hole in the middle part of a graphite rod, the graphite rod in portion's through hole and is inserted with drawing bar.
Further, the drawing bar includes graphite traction barred body, stainless steel traction barred body, and the graphite draws barred body one
End is threadedly coupled with traction barred body, and connection rear side wall is equal, and its other end is provided with blind hole, and the blind hole is filled for liquid metal
Enter, form metal barred body head end；
The blind hole end of the graphite traction barred body is placed in graphite crucible discharging opening, in continuous casting furnace initialization by graphite crucible
Discharging opening is blocked, and the diameter of the graphite traction barred body is identical with stainless steel traction barred body diameter, the graphite traction barred body
Connection end will at least be exposed to graphite rod lower through-hole mouthful, and the length of the stainless steel traction barred body will at least reach guide part
First clamping directive wheel.
Further, the cooling copper mold is copper material, and its upper end-face edge is provided with box dam circle, and middle part is provided with through hole, through hole
Top is larger, and bottom is smaller, and the cooling copper mold outer wall is provided with inlet opening and apopore；
Coiling groove, the coiling groove formation water cooling circulation line, water cooling circulation are set in the cooling copper mold
Pipeline is connected with inlet opening and apopore, is connected on inlet opening and is connected outlet pipe on water inlet pipe, outlet pipe；
The cooling copper mold is installed on a plate body, and plate body corner is provided with four support columns, and four support column upper ends are provided with
The box body of four side-closeds is provided with the second installing plate with mesopore, the second installing plate, the cassette upper end of four side-closeds is set
There is the plate body with mesopore；
The upper and lower side eccentric part of the cooling copper mold is additionally provided with intercommunicating pore, and the intercommunicating pore is provided with the connection rod with through hole, described
Connection rod one end is connected with vacuum chamber, and the other end passes through heat-insulation layer, and extends to the bottom of graphite crucible, and the connection rod is used for
The vacuum chamber of vacuum and the chamber of graphite crucible, can be by two chambers while vacuum state when vacuumizing；
The stage portion of the connection rod bottom is provided with spring, and the spring is used to hold out against connection rod；
The bottom of the cooling copper mold and the junction of bottom plate are provided with seal gasket.
Further, the vacuum is in cylindrical boiler shape, and its front side and right side are provided with observation window, and left side is provided with
The port of vavuum pump connection, two observation windows are provided with sealed transparent glass, the observation window of its right side and are provided with LED,
The observation window of front side can be opened；
Guiding device on the installing plate of vacuum inner chamber bottom surface is copper product, and it has cooling effect, for further cold
But bonding wire, the guiding device is in convex in installing plate upper area, and bottom is in bar shape.
Further, the guide part includes being oriented to installing plate and is installed on the clipping Guiding machine being oriented on installing plate
Structure, adjustable type guiding mechanism, the clipping guiding mechanism are located at the top of adjustable type guiding mechanism；
The clipping guiding mechanism includes left guide wheel, right guide wheel, motor, cylinder, and the left guide wheel is to determine guide wheel, wherein
Heart axle is connected with motor, and the right guide wheel is dynamic guide wheel, and central shaft is connected with flexible contiguous block, contiguous block connection of stretching
Cylinder, the clipping guiding mechanism is at least provided with two groups；
The adjustable type guiding mechanism is provided with multigroup, and every group of adjustable type guiding mechanism is provided with directive wheel side by side, every group of guiding
Wheel is arranged on chute, and the length of chute from top to bottom increases successively；
The guide part also includes regulating valve, and the regulating valve includes handle and adjusting rod, and handle is connected with adjusting rod, adjusting rod and
The guiding installing plate sidepiece is fixedly connected, and rotating handles makes adjusting rod advance or retreat, before adjusting rod band action-oriented installing plate
Enter or retreat.
Further, the continuous casting furnace also includes receiving rack, and the receiving rack is connected to mounting bracket by a L-type connecting rod
Outside；
The receiving rack includes a crossbeam, and the crossbeam is arranged at the vertical part of L-type connecting rod, and is handed in the vertical part of L-type connecting rod
Pitch into cross, described crossbeam the right and left is provided with waist round hole, and the roller bearing of crossbeam is provided perpendicular in waist round hole, described
The vertical part upper end of L-type connecting rod, which is provided with some adjustment holes, one of which adjustment hole, is provided with one perpendicular to L-type connection
The roller bearing of bar vertical part.
Further, it is provided with air gauge in the vacuum.
Relative to prior art, the beneficial effects of the invention are as follows：The present invention devises bonding wire continuous casting furnace, bonding wire continuous casting
Stove can be in continuous casting under high vacuum state, and the bonding wire of casting is continual to be around in receiving rack, the continuous casting furnace metal melt portion
Be provided with the agitating device of motor drive, agitating device is eccentric agitating device, during the rotation of eccentric agitating device, can be to liquid after
Raw material metal persistently stir, to reach uniform purpose.Cooling end is using cooling copper mold and water cooling circulation line, cooling
Water cooling circulation line is set in copper mold, effectively can be solidified liquid metal, cooling effectiveness is high, therefore, can in traction
To accelerate into rod efficiency.Vacuum is provided with observation window, has the guiding device of cooling effect concurrently, is formed after vacuum vacuumizing
In vacuum, the chamber without air will not para-linkage silk oxidation, the bonding wire not aoxidized again from guiding device cool down, cooling
Enter guide part afterwards, bonding wire is imported by receiving rack by guide part.
Drawing bar of the present invention includes two parts, and one is graphite traction barred body, and two are threadedly coupled with graphite traction barred body
Stainless steel traction barred body, graphite traction barred body on be provided with blind hole, the liquid metals after fusing enter blind hole in formed metal
Barred body head, is moved downward by drawing bar traction, then solidifies through cooling end.
The quartz glass sleeve of the present invention is quartz material, and quartz glass is the exotic material of high-quality, and will not shield
The heating of magnet coil is covered, the inside of magnet coil institute coiling is nonmetallic exotic material, is such as placed in quartz glass sleeve
Internal high temperature cotton, the graphite crucible being placed in high temperature cotton, magnet coil is acted on graphite crucible, and graphite crucible is heated.
The bonding wire continuous casting furnace of the present invention employs new casting method, solves traditional bonding wire casting technique not
Foot part, meanwhile, the bonding wire size produced can accomplish very thin, minimum to accomplish 0.006mm bonding wire, and be
Continuously casting, the bonding wire derived is coiled into coil in receiving rack, and bonding wire of the prior art is then sectional
Length.
Bonding wire continuous casting furnace of the present invention can reach -6.7*10 in continuous casting under high vacuum state, high vacuum-4Pa, it is existing
There is the equipment in technology to be unable to para-linkage silk continuous casting, and bonding wire can not be cast under high vacuum state.
Bonding wire continuous casting furnace of the present invention produces bonding wire efficiency high, and production bonding wire equipment of the prior art is to compare
Intend.
Brief description of the drawings
Fig. 1 is bonding wire continuous casting furnace explosive view of the present invention；
Fig. 2 is the stereogram of bonding wire continuous casting furnace of the present invention；
Fig. 3 is the stereogram of Fig. 2 opposite sides；
Fig. 4 is bonding wire continuous casting furnace front section view of the invention；
Fig. 5 is metal melt portion enlarged drawing of the invention；
Fig. 6 is drawing bar structural representation of the invention；
Fig. 7 draws barred body structural representation for the graphite of the present invention；
Fig. 8 is eccentric agitating device structural representation of the invention；
Fig. 9 is cooling copper mold structural representation of the invention；
Figure 10 is cooling copper mold sectional view of the invention.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Accompanying drawing 1-10, bonding wire continuous casting furnace are refer to, the continuous casting furnace includes the feeder cabinet 4 of integrated circuit, is installed on feeder line
The mounting bracket of the adjacent side of cabinet 4, the mounting bracket is provided with two layers, and centre is installing plate, it is characterised in that the continuous casting furnace also includes：
Metal melt portion 1, the metal melt portion 1 is placed in the top of continuous casting furnace, and it is provided with heater, eccentric agitating device,
Heater is used for metal molten, and eccentric agitating device is also associated with secondary charging device, and metal molten is into eccentric after liquid
Agitating device is persistently stirred, and the uniform rear haulage rod of liquid metal is moved downward；
Cooling end 2, the cooling end 2 is connected with the lower end of metal melt portion 1, and it includes cooling copper mold 201 and is arranged at cooling copper
Water cooling circulation line 202 in mould 201, the middle part of cooling copper mold 201 is guide hole, and drawing bar is moved downward along the guide hole,
Cool down copper mold 201 and water cooling circulation line 202 to cool and solidify liquid metal, form bonding wire；
Vacuum 3, the vacuum 3 is connected with the metal melt portion 1, cooling end 2, after evacuation, vacuum 3, metal
The chamber that melt portion 1, cooling end 2 are connected is entirely vacuum state, and the vacuum 3 is placed in the lower end of cooling end 2, the installation
The upper surface of plate, its lateral wall is provided with the observation window 301 that can be opened, the port being connected with vavuum pump, the inner chamber of vacuum 3
Guiding device is provided with the middle part of bottom surface, guiding device is provided with guide hole, and drawing bar downwards, pulls the bonding after solidification along the guide hole
Silk is moved downward；
Guide part 6, the guide part 6 is installed on the sidepiece of feeder cabinet 4, and it includes some guiding mechanisms, and guiding mechanism is used to press from both sides
Hold traction and the guiding of guiding drawing bar and para-linkage silk.
The metal melt portion 1 includes melt stove 112, heat-insulation layer 111, insulation cover 118, quartz glass sleeve 108, heating
Device, eccentric agitating device, secondary charging device；
The melt stove 112 is graphite crucible, and its bottom surface is inverted cone surface, and conical surface center is provided with blanking hole, before drawing bar does not work
It is to block the blanking hole, the melt stove 112 is placed in the heat-insulation layer 111, its upper end cover has insulation cover 118, described
Quartz glass sleeve 108 is cased with outside heat-insulation layer 111, heat-insulation layer 111 and quartz glass sleeve 108 lower end is all placed in described cold
But the upper end of copper mold 201, and set seal gasket in cooling copper mold 201 junction, the upper end of quartz glass sleeve 108 is provided with set
Lid 106, and seal gasket is provided with its junction, the heat-insulation layer 111, insulation cover 118 are high temperature cotton；
Eccentric agitating device is installed, the eccentric agitating device includes motor at the lid middle through-hole of described sleeve pipe lid 106
Mounting bracket 103, motor 116, drive rod 104, agitator 105, double cylinders 121, the middle through-hole edge of described sleeve pipe lid 106 are set
There is the cylinder with through hole, cylinder upper end sets motor mounting rack 103, and the horizontal extension of motor mounting rack 103 stretches a segment distance,
Motor 116 is installed on the direction of motor mounting rack 103 in the outboard end of motor mounting rack 103, opposite side is placed on drive
In lever 104, and follower is provided with the body of rod of drive rod 104, the lower end of drive rod 104 connects the agitator 105, institute
Agitator 105 is stated including connecting rod and disk 1051, the lower end of disk 1051 is provided with eccentric rod, the disk 1051 and
Eccentric rod is located in graphite crucible inner chamber；Driving wheel is provided with the motor 116, driving wheel drives quilt by belt 117
Driving wheel, the lower end of the drive rod 104 is connected with the connecting rod on agitator 105, is through hole, the through hole in the middle part of the connecting rod
Connected with the graphite crucible inner chamber, the middle through-hole of drive rod 104, its through hole is connected with connecting rod middle through-hole；
The agitator 105 is also associated with double cylinders 121, and described pair of cylinder 121 is used for down or up agitator 105；
The upper end of drive rod 104 connects the secondary charging device, and the secondary charging device includes secondary charging pumping rod
101st, feed bunker 102, and the charging bunker 102 is placed in the upper end of eccentric agitating device, its lower end discharging opening and driving
The upper end oral area connection of bar 104, the secondary charging pumping rod 101 is placed in the middle part of the lid of charging bunker 102, and its body of rod lower end is prolonged
The discharging opening of charging bunker 102 is extended, discharging opening is blocked when not feeding；
Heater, the heater bag are provided with the outside of quartz glass sleeve 108, the height region of graphite crucible
Nonmetallic coiling sleeve 109, magnet coil 107 are included, the magnet coil 107 is wound in the nonmetallic lateral wall of coiling sleeve 109
On.
The bottom surface of melt stove 112 is provided with recessed circle, and temperature sensor 110 is provided with the recessed circle.
Reaming in the middle part of the graphite crucible lower end, its reaming and the lower through-hole of heat-insulation layer 111, the middle part of cooling copper mold 201
A graphite rod 113 is provided with through hole, the middle part of graphite rod 113, which is provided with guide hole, the guide hole, is inserted with traction
Rod 5.
The drawing bar 5 includes graphite traction barred body 114, stainless steel traction barred body 501, and the graphite draws barred body 114
One end is threadedly coupled with traction barred body 501, and connection rear side wall is equal, and its other end is provided with blind hole 1141, and the blind hole 1141 is used
Poured into liquid metal, form metal barred body head end；
The blind hole end of the graphite traction barred body 114 is placed in graphite crucible discharging opening, in continuous casting furnace initialization by graphite earthenware
The discharging opening closure of crucible, the diameter of the graphite traction barred body 114 is identical with the stainless steel traction diameter of barred body 501, the graphite
The connection end of traction barred body 114 will at least be exposed to the lower through-hole mouthful of graphite rod 113, and the stainless steel draws the length of barred body 501
Degree will at least reach first clamping directive wheel of guide part 6.
It is described cooling copper mold 201 be copper material, its upper end-face edge be provided with box dam circle, middle part be provided with through hole, through hole top compared with
Greatly, bottom is smaller, and the cooling outer wall of copper mold 201 is provided with inlet opening and apopore；
Coiling groove, the coiling groove formation water cooling circulation line 202, water cooling are set in the cooling copper mold 201
But circulation line 202 is connected with inlet opening and apopore, is connected on inlet opening and is connected outlet pipe on water inlet pipe, outlet pipe；
The cooling copper mold 201 is installed on a plate body, and plate body corner is provided with four support columns, and four support column upper ends are installed
There are the box body that four side-closeds are provided with the second installing plate with mesopore, the second installing plate, the cassette upper end of four side-closeds
Provided with the plate body with mesopore；
The upper and lower side eccentric part of the cooling copper mold 201 is additionally provided with intercommunicating pore, and the intercommunicating pore is provided with the connection rod with through hole
119, described connection rod 119 one end is connected with vacuum chamber, and the other end passes through heat-insulation layer 111, and extends to the bottom of graphite crucible
Portion, the connection rod 119 is used for the vacuum chamber of vacuum and the chamber of graphite crucible, can be by two chambers when vacuumizing
Room is while vacuum state；
The stage portion of connection rod 119 bottom is provided with spring 120, and the spring 120 is used to hold out against connection rod 119；
The bottom of the cooling copper mold 201 and the junction of bottom plate are provided with seal gasket.
The vacuum 3 is in cylindrical boiler shape, and its front side and right side are provided with observation window 301, and left side is provided with vacuum
The port of pump connection, two observation windows 301 are provided with sealed transparent glass, the observation window of its right side and are provided with LED, preceding
The observation window of side can be opened；
Guiding device on the inner chamber bottom surface installing plate of vacuum 3 is copper product, and it has cooling effect, for further cold
But bonding wire, the guiding device is in convex in installing plate upper area, and bottom is in bar shape.
The guide part 6 includes being oriented to installing plate and is installed on the clipping guiding mechanism being oriented on installing plate, adjustable type
Guiding mechanism 604, the clipping guiding mechanism is located at the top of adjustable type guiding mechanism 604；
The clipping guiding mechanism includes left guide wheel 603, right guide wheel 601, motor, cylinder 602, the left guide wheel 603
To determine guide wheel, central shaft is connected with motor, and the right guide wheel 601 is dynamic guide wheel, and central shaft is connected with flexible connection
Block, stretch contiguous block connection cylinder 602, and the clipping guiding mechanism is at least provided with two groups；
The adjustable type guiding mechanism 604 is provided with multigroup, and every group of adjustable type guiding mechanism is provided with directive wheel side by side, and every group is led
It is arranged to wheel on chute, the length of chute from top to bottom increases successively；
The guide part 6 also includes regulating valve 605, and the regulating valve 605 includes handle and adjusting rod, and handle is connected with adjusting rod,
Adjusting rod is fixedly connected with the guiding installing plate sidepiece, and rotating handles makes adjusting rod advance or retreat, adjusting rod band action-oriented
Installing plate advances or retreated.
The continuous casting furnace also includes receiving rack 7, and the receiving rack 7 is connected on the outside of mounting bracket by a L-type connecting rod；
The receiving rack 7 includes a crossbeam, and the crossbeam is arranged at the vertical part of L-type connecting rod, and is handed in the vertical part of L-type connecting rod
Pitch into cross, described crossbeam the right and left is provided with waist round hole, and the roller bearing of crossbeam is provided perpendicular in waist round hole, described
The vertical part upper end of L-type connecting rod, which is provided with some adjustment holes, one of which adjustment hole, is provided with one perpendicular to L-type connection
The roller bearing of bar vertical part.
Air gauge is provided with the vacuum 3.
Embodiment：
The operating procedure of the bonding wire continuous casting furnace of the present invention is as follows：
Step one, required raw metal is inserted into graphite crucible, bonding wire is usually alloy, is prepared by various metals, due to
The fusing point of each raw metal is different, it is necessary to carry out secondary charging, at this moment will use secondary charging device, but be first not added with when initial
Enter low-melting raw metal, because if first adding low-melting raw material, if adding the high raw material of fusing point again, fusing point can be made low
Raw material gasify when rising to high temperature, therefore, what is be firstly added is dystectic raw material, adds the raw material of low melting point, it is to avoid
Low melting point material gasification.Add after the high raw metal of fusing point, insulation cover 118 is covered, eccentric agitating device wouldn't start, because
It is solid for the high raw metal of unfused fusing point, eccentric agitating device can be touched fracture.By the graphite drawing bar of drawing bar
Body 114 is plugged in graphite crucible discharging opening, and stainless steel traction barred body 501 sequentially passes through cooling end 2, vacuum 3, the extension of its end
Clamped to guide part 6, and by the clipping guiding mechanism of guide part 6；
After step 2, the preliminary preparation for drawing bonding wire, start heater, the chamber of vacuum extracts sky by vavuum pump
Gas, makes metal melt portion, cooling end, vacuum be respectively formed vacuum chamber, heater is heated using magnet coil, the high gold of fusing point
Belong to melted by heat, its liquid enters the blind hole 1141 that graphite draws barred body 114, after the high raw metal of fusing point all melts, then
Secondary charging device is opened, low-melting other raw metals are added, low-melting other raw metals are taken out from secondary charging
The charging bunker 102 of the bottom of bar 101 is put into, and other raw metals enter in agitator 105 from the middle through-hole of drive rod 104
The through hole in portion, subsequently into graphite crucible, other raw metals typically all use rice-shaped raw material, are easy to secondary charging, secondary
After charging, vacuumize again, because the temperature in graphite crucible is enough by low-melting melting sources, it is only necessary to keep permanent
Temperature, because there is temperature sensor 110, the temperature in graphite crucible can be monitored at any time, agitator 105 is by under double cylinders
Pressure, and driven by motor and continue Stirring, after all raw metal is all melted, agitator 105 is by the inside
Liquid metals mixture stirs, and starts clipping guiding mechanism；
Step 3, clipping guiding mechanism pulls downwards drawing bar, moves downward whole barred body, liquid metals mixture edge
The guide hole at the middle part of graphite rod 113 is to flowing down, after liquid metals reaches cooling end, cooling copper mold 201 and water cooling circulation pipe
Road 202 makes liquid metals gradually solidify, and forms bonding wire, and bonding wire enters vacuum 3, and the observation window 301 of vacuum 3 can be seen
Examine the barred body quality of bonding wire；
Step 4, bonding wire Continued downward motion, into the guiding device of vacuum chamber bottom surface, guiding device is copper product, is had
Then cooling effect, therefore, bonding wire secondary cooling are brought into clipping guiding mechanism, and bonding wire is clamped, and according to bottom
The directive wheel of adjustable type guiding mechanism is oriented to；
Step 5, directive wheel imports bonding wire receiving rack 7 successively, and to form coil by manually or mechanically rotating and be hung on rewinding
On the roller bearing of frame, drawing bar is removed；
Step 6, continues rewinding, until liquid metals has all flowed.
The mounting bracket bottom of the present invention is provided with roller and positioning socle, and movement is more convenient.
The control unit of the present invention can have various ways, the control mode of button+knob+relay, or use most
New touch-screen control, and frequency converter is set in feeder cabinet, if using the control mode of button+knob+relay, needed
Touch-tone keypad is set, if touch-screen is controlled, parameter setting is all set in touch-screen, it is other such as red button
For emergency cut-off button, green master switch key also needs separately to set.
The bonding wire continuous casting furnace of the present invention, bonding wire continuous casting furnace can be in continuous casting under high vacuum state, the bonding wire of casting
Continual to be around in receiving rack, the continuous casting furnace metal melt portion is provided with the agitating device of motor drive, and agitating device is inclined
Heart agitating device, during eccentric agitating device rotation, can persistently be stirred, to reach uniform mesh to the raw material metal after liquid
's.Cooling end is using cooling copper mold and water cooling circulation line, and cooling copper mold is interior to set water cooling circulation line, can be effective
Liquid metal is solidified, cooling effectiveness is high, therefore, in traction, rod efficiency can be accelerated into.Vacuum be provided with observation window,
Vacuum is formed after having the guiding device of cooling effect, vacuum vacuumizing concurrently, will not para-linkage silk in the chamber without air
Oxidation, the bonding wire not aoxidized is cooled down from guiding device again, and guide part is entered after cooling, bonding wire is led by guide part
Enter receiving rack.
Drawing bar of the present invention includes two parts, and one is graphite traction barred body, and two are threadedly coupled with graphite traction barred body
Stainless steel traction barred body, graphite traction barred body on be provided with blind hole, the liquid metals after fusing enter blind hole in formed metal
Barred body head, is moved downward by drawing bar traction, then solidifies through cooling end.
The quartz glass sleeve of the present invention is quartz material, and quartz glass is the exotic material of high-quality, and will not shield
The heating of magnet coil is covered, the inside of magnet coil institute coiling is nonmetallic exotic material, is such as placed in quartz glass sleeve
Internal high temperature cotton, the graphite crucible being placed in high temperature cotton, magnet coil is acted on graphite crucible, and graphite crucible is heated.
The bonding wire continuous casting furnace of the present invention employs new casting method, solves traditional bonding wire casting technique not
Foot part, meanwhile, the bonding wire size produced can accomplish very thin, minimum to accomplish 0.006mm bonding wire, and be
Continuously casting, the bonding wire derived is coiled into coil in receiving rack, and bonding wire of the prior art is then sectional
Length.
Bonding wire continuous casting furnace of the present invention can reach -6.7*10 in continuous casting under high vacuum state, high vacuum-4Pa, it is existing
There is the equipment in technology to be unable to para-linkage silk continuous casting, and bonding wire can not be cast under high vacuum state.The bonding of the present invention
The continuous casting bonding wire of the silk similarly suitable middle low vacuum of continuous casting furnace.
Bonding wire continuous casting furnace of the present invention produces bonding wire efficiency high, and production bonding wire equipment of the prior art is to compare
Intend.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the scope of the invention, every profit
The equivalent structure or equivalent flow conversion made with description of the invention and accompanying drawing content, or directly or indirectly it is used in other phases
The technical field of pass, is included within the scope of the present invention.
Claims (10)
1. bonding wire continuous casting furnace, the continuous casting furnace includes the feeder cabinet of integrated circuit（4）, be installed on feeder cabinet（4）The installation of adjacent side
Frame, the mounting bracket is provided with two layers, and centre is installing plate, it is characterised in that the continuous casting furnace also includes：
Metal melt portion（1）, the metal melt portion（1）The top of continuous casting furnace is placed in, it is provided with heater, eccentric stirring dress
Put, heater is used for metal molten, and eccentric agitating device is also associated with secondary charging device, and metal molten is retrodeviated into liquid
Heart agitating device is persistently stirred, and the uniform rear haulage rod of liquid metal is moved downward；
Cooling end（2）, the cooling end（2）With metal melt portion（1）Lower end is connected, and it includes cooling down copper mold（201）And set
In cooling copper mold（201）Interior water cooling circulation line（202）, cool down copper mold（201）Middle part is guide hole, and drawing bar is led along this
Draw hole to move downward, cool down copper mold（201）With water cooling circulation line（202）Liquid metal is cooled and solidified, bonding wire is formed；
Vacuum（3）, the vacuum（3）With the metal melt portion（1）, cooling end（2）Connection, after evacuation, vacuum
Portion（3）, metal melt portion（1）, cooling end（2）The chamber of connection is entirely vacuum state, the vacuum（3）It is placed in cooling end
（2）Lower end, the upper surface of the installing plate, its lateral wall is provided with the observation window that can open（301）, be connected with vavuum pump
Port, the vacuum（3）It is provided with guiding device in the middle part of the bottom surface of inner chamber, guiding device is provided with guide hole, drawing bar is along the guiding
Downwards, the bonding wire after drawing solidification is moved downward in hole；
Guide part（6）, the guide part（6）It is installed on feeder cabinet（4）Sidepiece, it includes some guiding mechanisms, guiding mechanism
Traction and guiding for clamping guiding drawing bar and para-linkage silk.
2. bonding wire continuous casting furnace according to claim 1, it is characterised in that：The metal melt portion（1）Including melt stove
（112）, heat-insulation layer（111）, insulation cover（118）, quartz glass sleeve（108）, heater, eccentric agitating device, it is secondary plus
Expect device；
The melt stove（112）For graphite crucible, its bottom surface is inverted cone surface, and conical surface center is provided with blanking hole, and drawing bar does not work
Before be to block the blanking hole, the melt stove（112）It is placed in the heat-insulation layer（111）Interior, its upper end cover has insulation cover
（118）, the heat-insulation layer（111）It is cased with quartz glass sleeve outside（108）, the heat-insulation layer（111）And quartz glass sleeve
（108）Lower end is all placed in the cooling copper mold（201）Upper end, and in cooling copper mold（201）Junction sets seal gasket, described
Quartz glass sleeve（108）Upper end is provided with casing cover（106）, and it is provided with seal gasket, the heat-insulation layer in its junction
（111）, insulation cover（118）It is high temperature cotton；
Described sleeve pipe lid（106）Lid middle through-hole at eccentric agitating device is installed, the eccentric agitating device includes electricity
Machine mounting bracket（103）, motor（116）, drive rod（104）, agitator（105）, double cylinders（121）, described sleeve pipe lid（106）In
Portion through hole edge is provided with the cylinder with through hole, and cylinder upper end sets motor mounting rack（103）, the motor mounting rack（103）
Horizontal extension stretches a segment distance, in motor mounting rack（103）Outboard end perpendicular to motor mounting rack（Installed on 103 direction
There is motor（116）, opposite side is placed on drive rod（104）On, and in drive rod（104）The body of rod on be provided with follower, drive
Bar（104）Lower end connects the agitator（105）, the agitator（105）Including connecting rod and disk（1051）, the disk
（1051）Lower end is provided with eccentric rod, the disk（1051）And eccentric rod is located in graphite crucible inner chamber；The motor
（116）On be provided with driving wheel, driving wheel passes through belt（117）Drive follower, the drive rod（104）Lower end and stirring
Device（105）On connecting rod connection, be through hole in the middle part of the connecting rod, the through hole is connected with the graphite crucible inner chamber, described
Drive rod（104）Middle through-hole, its through hole is connected with connecting rod middle through-hole；
The agitator（105）It is also associated with double cylinders（121）, described pair of cylinder（121）For down or up agitator
（105）；
The drive rod（104）Upper end connects the secondary charging device, and the secondary charging device includes secondary charging pumping rod
（101）, charging bunker（102）, the charging bunker（102）The upper end of eccentric agitating device is placed in, its lower end discharging opening
With drive rod（104）Upper end oral area connection, the secondary charging pumping rod（101）It is placed in charging bunker（102）Lid in the middle part of,
Its body of rod lower end extends to charging bunker（102）Discharging opening, discharging opening is blocked when not feeding；
The quartz glass sleeve（108）Heater, the heater are provided with outside, the height region of graphite crucible
Including nonmetallic coiling sleeve（109）, magnet coil（107）, the magnet coil（107）It is wound in nonmetallic coiling sleeve
（109）On lateral wall.
3. bonding wire continuous casting furnace according to claim 2, it is characterised in that：The melt stove（112）Bottom surface is provided with recessed circle,
Temperature sensor is provided with the recessed circle（110）.
4. bonding wire continuous casting furnace according to claim 2, it is characterised in that：Reaming in the middle part of the graphite crucible lower end, its
Reaming and heat-insulation layer（111）Lower through-hole, cooling copper mold（201）Middle through-hole in be provided with a graphite rod（113）, it is described
Graphite rod（113）Middle part is provided with guide hole, the guide hole and is inserted with drawing bar（5）.
5. bonding wire continuous casting furnace according to claim 3, it is characterised in that：The drawing bar（5）Including graphite drawing bar
Body（114）, stainless steel traction barred body（501）, the graphite traction barred body（114）One end and traction barred body（501）Threaded connection,
Connection rear side wall is equal, and its other end is provided with blind hole（1141）, the blind hole（1141）Poured into for liquid metal, form metal
Barred body head end；
The graphite draws barred body（114）Blind hole end be placed in graphite crucible discharging opening, in continuous casting furnace initialization by graphite
The discharging opening closure of crucible, the graphite draws barred body（114）Diameter and stainless steel draw barred body（501）Diameter is identical, institute
State graphite traction barred body（114）Connection end to be at least exposed to graphite rod（113）Lower through-hole mouthful, the stainless steel drawing bar
Body（501）Length at least to reach guide part（6）First clamping directive wheel.
6. bonding wire continuous casting furnace according to claim 1, it is characterised in that：The cooling copper mold（201）For copper material, its
Upper end-face edge is provided with box dam circle, and middle part is provided with through hole, and through hole top is larger, and bottom is smaller, the cooling copper mold（201）Outer wall is opened
There are inlet opening and apopore；
The cooling copper mold（201）Interior setting coiling groove, the coiling groove formation water cooling circulation line（202）,
Water cooling circulation line（202）It is connected with inlet opening and apopore, is connected on inlet opening and connect water outlet on water inlet pipe, outlet pipe
Pipe；
The cooling copper mold（201）It is installed on a plate body, plate body corner is provided with four support columns, four support column upper end peaces
Equipped with the second installing plate with mesopore, it is provided with the second installing plate on the box body of four side-closeds, the box body of four side-closeds
End is provided with the plate body with mesopore；
The cooling copper mold（201）Upper and lower side eccentric part be additionally provided with intercommunicating pore, the intercommunicating pore be provided with the connection rod with through hole
（119）, the connection rod（119）One end is connected with vacuum chamber, and the other end passes through heat-insulation layer（111）, and extend to graphite earthenware
The bottom of crucible, the connection rod（119）, can be with when vacuumizing for the vacuum chamber and the chamber of graphite crucible of vacuum
By two chambers while vacuum state；
The connection rod（119）The stage portion of bottom is provided with spring（120）, the spring（120）For holding out against connection rod（119）；
The cooling copper mold（201）Bottom and the junction of bottom plate be provided with seal gasket.
7. bonding wire continuous casting furnace according to claim 1, it is characterised in that：The vacuum（3）In cylindrical boiler shape,
Its front side and right side are provided with observation window（301）, left side is provided with the port of vavuum pump connection, two observation windows（301）On set
Have and LED is installed on sealed transparent glass, the observation window of its right side, the observation window of front side can be opened；
The vacuum（3）Guiding device on the installing plate of inner chamber bottom surface is copper product, and it has cooling effect, for further
Bonding wire is cooled down, the guiding device is in convex in installing plate upper area, and bottom is in bar shape.
8. bonding wire continuous casting furnace according to claim 1, it is characterised in that：The guide part（6）Including being oriented to installing plate
And it is installed on the clipping guiding mechanism being oriented on installing plate, adjustable type guiding mechanism（604）, the clipping guiding mechanism sets
In adjustable type guiding mechanism（604）Top；
The clipping guiding mechanism includes left guide wheel（603）, right guide wheel（601）, motor, cylinder（602）, the left side is led
Wheel（603）To determine guide wheel, central shaft is connected with motor, the right guide wheel（601）To move guide wheel, central shaft is connected with
Flexible contiguous block, stretch contiguous block connection cylinder（602）, the clipping guiding mechanism is at least provided with two groups；
The adjustable type guiding mechanism（604）It is provided with multigroup, every group of adjustable type guiding mechanism is provided with directive wheel side by side, every group
Directive wheel is arranged on chute, and the length of chute from top to bottom increases successively；
The guide part（6）Also include regulating valve（605）, the regulating valve（605）Including handle and adjusting rod, handle and adjusting rod
Connection, adjusting rod is fixedly connected with the guiding installing plate sidepiece, and rotating handles makes adjusting rod advance or retreat, and adjusting rod drives
Installing plate is oriented to advance or retreat.
9. bonding wire continuous casting furnace according to claim 1, it is characterised in that：The continuous casting furnace also includes receiving rack（7）, institute
State receiving rack（7）It is connected to by a L-type connecting rod on the outside of mounting bracket；
The receiving rack（7）Including a crossbeam, the crossbeam is arranged at the vertical part of L-type connecting rod, and in the vertical part of L-type connecting rod
It is crossed as cross, described crossbeam the right and left is provided with waist round hole, and the roller bearing of crossbeam, institute are provided perpendicular in waist round hole
State L-type connecting rod vertical part upper end be provided with some adjustment holes, one of which adjustment hole be provided with one perpendicular to L-type connect
The roller bearing of extension bar vertical part.
10. the bonding wire continuous casting furnace according to claim 1 or 7, it is characterised in that：The vacuum（3）On be provided with gas
Press table.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522355.0A CN107138699A (en) | 2017-06-30 | 2017-06-30 | Bonding wire continuous casting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522355.0A CN107138699A (en) | 2017-06-30 | 2017-06-30 | Bonding wire continuous casting furnace |
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|---|---|
| CN107138699A true CN107138699A (en) | 2017-09-08 |
Family
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Cited By (6)
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| CN109338240A (en) * | 2018-10-14 | 2019-02-15 | 昆山建金工业设计有限公司 | A kind of device of ferro element and copper composite material |
| CN109482833A (en) * | 2019-01-08 | 2019-03-19 | 重庆市润金新材料研究院有限公司 | A kind of bonding gold wire continuous casting furnace |
| CN109764676A (en) * | 2019-01-14 | 2019-05-17 | 合肥科晶材料技术有限公司 | A kind of multiple feeding device of induction heater vacuum state |
| CN113385650A (en) * | 2021-06-10 | 2021-09-14 | 河南理工大学 | Vacuum vertical continuous casting machine for high-temperature metal and alloy |
| CN115055656A (en) * | 2022-05-20 | 2022-09-16 | 苏州杰腾电子有限公司 | Method and device for preparing flexible electronic wire by using liquid metal |
| CN116481309A (en) * | 2023-06-25 | 2023-07-25 | 兴化市剑达铸造有限公司 | Continuous casting machine |
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| CN115055656A (en) * | 2022-05-20 | 2022-09-16 | 苏州杰腾电子有限公司 | Method and device for preparing flexible electronic wire by using liquid metal |
| CN115055656B (en) * | 2022-05-20 | 2023-07-21 | 苏州杰腾电子有限公司 | Method and device for preparing flexible electronic wire by using liquid metal |
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Application publication date: 20170908 |