CN114752883B - Vertical tin spraying mechanism - Google Patents
Vertical tin spraying mechanism Download PDFInfo
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- CN114752883B CN114752883B CN202210396592.8A CN202210396592A CN114752883B CN 114752883 B CN114752883 B CN 114752883B CN 202210396592 A CN202210396592 A CN 202210396592A CN 114752883 B CN114752883 B CN 114752883B
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/123—Spraying molten metal
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a vertical tin spraying mechanism, which comprises a shell and a wire feeding pipe, wherein a cooling pipe and a reflow baffle plate are coaxially arranged outside the wire feeding pipe, the reflow baffle plate is positioned below the cooling pipe, a distribution ring sleeve is arranged outside the shell, and the distribution ring sleeve is connected with a shell wall ring cloth inclined guide pipe of the shell; the high-pressure shielding gas is formed into high-temperature and low-temperature gas in the tin spraying mechanism, so that the tin wire at the lower part of the wire feeding pipe can be assisted in heat, the output of heat is saved, and meanwhile, the tin wire at the upper part of the wire feeding pipe is cooled, and the form of the tin wire at the upper part is maintained; when tin spraying is not performed, the side low pressure can be generated through the air pressure flowing at high speed to prevent redundant liquid tin material in the wire feeding pipe from dripping from the tin spraying nozzle, and the structure is compact and the practicability is high.
Description
Technical Field
The invention relates to the technical field of electronic component manufacturing equipment, in particular to a vertical tin spraying mechanism.
Background
The die bonder is an important device for producing diodes and rectifier bridges, and the die bonding process of the die bonder is a process of bonding a wafer to a designated area of a bracket through colloid to form a thermal path or an electric path and provide conditions for subsequent wire bonding connection.
In the die bonding process, a die bonding area of the die bonding support needs to be subjected to tin drawing treatment through a solder paste dropping machine to form a solder paste layer for being combined with a chip. The tin wire is sent into the wire feeding pipe through the wire feeding structure by the tin paste dispensing machine of the common tin paste dispensing machine, the tin wire is heated and melted through the electric heating pipe to form tin liquid, and then the tin liquid is sprayed on the surface of the substrate through high-pressure gas. The heat of molten tin is completely electric heating, and the unmelted part of the tin wire needs additional energy to be cooled so as to keep the wire feeding movement; when the tin spraying operation of the tin plating machine is stopped, the conveying of the high-pressure gas is required to be stopped, but the bottom of a nozzle of the tin plating machine also generates outflow of superfluous tin liquid due to gravity, so that the tin plating quality is affected.
Disclosure of Invention
The invention aims to solve the problems of nozzles in the conventional die bonding solder paste process, and provides a vertical type tin spraying mechanism which is used for performing cyclone separation on high-pressure gas to obtain auxiliary heating and cooling capacity and forming negative pressure at the nozzles when tin spraying is stopped.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a vertical tin spraying mechanism includes the casing and is located the inside and with the coaxial wire feeding pipe of casing, the below of wire feeding pipe sets up the wire feeding mechanism of tin silk, and the lower part of wire feeding pipe passes through the tin spraying mouth and links the intercommunication with the outside of casing, and the tin silk melts from the inside that upper portion entering casing of wire feeding pipe, spouts from the tin spraying mouth.
Further, the outside of wire feed pipe sets up coaxial cooling tube, backward flow baffle, fixing base, heating ring, the below of cooling tube sets gradually backward flow baffle, fixing base and heating ring, the hole wall of cooling tube and wire feed pipe contactless, backward flow baffle, fixing base, heating ring's hole and wire feed pipe contact, the inside heater strip that sets up of heating ring for melt the heating of wire feed pipe inside tin silk.
Further, a distribution ring sleeve is arranged outside the shell and connected with an air inlet pipe, and the air inlet pipe is used for entering high-pressure protective gas. The distribution ring sleeve is connected with the shell wall ring provided with inclined guide pipes, the inclined guide pipes are communicated with the space between the distribution ring sleeve and the shell and the cooling pipe, and the protective gas in the distribution ring sleeve enters the shell from the inclined guide pipes to form vortex airflow between the shell and the cooling pipe. The upper part of the cooling pipe is provided with an air outlet pipe which is used for discharging air.
The diameter of the reflux baffle is smaller than the inner diameter of the shell, an air inlet is formed in the part, located between the reflux baffle and the fixing seat, of the wire feeding pipe, and the upper portion of the heating ring extends out of the top surface of the fixing seat and extends to the outer portion of the air inlet. The shielding gas enters the air inlet hole from the upper part to the lower part of the external space of the cooling pipe through a gap between the side wall of the backflow baffle and the inner wall of the shell, and high-pressure conveying is carried out on the tin liquid in the wire feeding pipe, so that the tin liquid is sprayed out from the tin spraying nozzle.
Because the high-pressure protective gas forms vortex airflow between the shell and the cooling pipe, the rotational flow movement close to the inner wall of the shell is more intense, the temperature is higher, and high-temperature gas is formed; the swirling motion near the outer wall of the cooling tube is slower, so the temperature is lower, and low-temperature gas is formed. High-temperature gas can enter between the backflow baffle and the fixed seat to assist in heating tin wires in the wire feeding pipe. The low-temperature gas is reflected by the backflow baffle plate to enter the cooling pipe to cool the tin wire at the upper part of the wire feeding pipe, so that the tin wire at the upper part of the wire feeding pipe is prevented from being heated to generate morphological change.
Preferably, a fixed sleeve, a rotary sleeve, an air inlet baffle and an air outlet baffle are arranged between the reflux baffle and the fixed seat, an inner hole of the rotary sleeve is attached to the outer wall of the fixed sleeve, communication holes for connecting the inside of the fixed sleeve and the outside of the rotary sleeve are respectively arranged on the fixed sleeve and the rotary sleeve, and the air inlet baffle and the air outlet baffle are in rotary sealing connection with the end face of the rotary sleeve.
Further, a central air hole is formed in the inner hole of the backflow baffle, and a through hole corresponding to the central air hole is formed in the air outlet baffle. The inside of fixing base sets up the air inlet channel and the passageway of giving vent to anger of connection, the air inlet channel is located the below of air inlet baffle, air inlet baffle sets up the through-hole that corresponds with the fixing base and gets the air inlet channel position, the passageway of giving vent to anger is located the below of center gas pocket.
The tin spraying mechanism has two working states. When the tin spraying mechanism is in a tin spraying state, the air inlet baffle shields the air inlet channel, the air outlet baffle shields the central air hole, the communication holes on the fixed sleeve and the rotating sleeve are communicated, and protective gas can enter the air inlet hole of the wire feeding pipe from between the reflux baffle and the fixed seat for tin spraying. When the tin spraying mechanism is in a tin spraying state, the through hole of the air inlet baffle is communicated with the air inlet channel, the through hole of the air outlet baffle is communicated with the central air hole, the communication holes on the fixed sleeve and the rotary sleeve are not communicated, and the protective gas can enter the air inlet channel from between the reflux baffle and the fixed seat, be sprayed out from the air outlet channel, pass through the central air hole and the inside of the cooling pipe, and be discharged from the air outlet pipe. In the process, the protective gas can pass through the air inlet hole of the wire feeding pipe, so that negative pressure is formed at the air inlet hole of the wire feeding pipe, and the excessive liquid tin material in the wire feeding pipe is prevented from dripping from the tin spraying nozzle.
Preferably, the outside of wire feeding pipe pastes the extension pipe that has cup jointed mutually that the top extends to the cooling tube outside, the lower part of extension pipe passes through the connecting rod and connects the upper portion of gas outlet baffle. One end of the extension pipe outside the cooling pipe is provided with a driving piece for driving the extension pipe to rotate. The rotary sleeve is fixedly connected with the air inlet baffle and the air outlet baffle respectively, and the extension pipe can rotate to drive the air outlet baffle, the rotary sleeve and the air inlet baffle to rotate so as to adapt to the change of the working state of the tin spraying mechanism.
Further, the hole walls on two sides of at least one central air hole of the reflux baffle are provided with grooves for accommodating connecting rods, and the grooves are used for forming an air outlet baffle in a rotating state to completely shield the central air hole on the reflux baffle.
Preferably, the invention has the beneficial effects that: the tin spraying mechanism can melt and spray tin wires in real time, and is convenient for tin writing or tin drawing in solder die bonding. In the tin spraying mechanism, the high-pressure protective gas forms vortex gas to form high-temperature gas in the tin spraying process, so that tin wires at the lower part of the wire feeding pipe can be assisted with heat, the output of heat is saved, the tin wires at the upper part of the wire feeding pipe are cooled, and the form of the tin wires at the upper part is maintained; when the tin spraying mechanism is not used for spraying tin, through the communication of the pipelines, the protective gas can form negative pressure outside the air inlet hole of the wire feeding pipe, so that redundant liquid tin material in the wire feeding pipe is prevented from dripping from the tin spraying nozzle, and the structure is compact and the practicability is strong.
Drawings
FIG. 1 is a schematic diagram of a tin spraying mechanism according to the present invention;
FIG. 2 is a schematic cross-sectional view of a dispensing ring of a tin spraying mechanism according to the present invention;
FIG. 3 is a schematic view of the air flow outside the cooling tube of the tin spraying mechanism according to the invention;
FIG. 4 is a schematic view of the structure of an air intake baffle of the tin spraying mechanism of the invention;
FIG. 5 is a schematic top view of a fixing base of a tin spraying mechanism according to the present invention;
FIG. 6 is a schematic view of the structure of the rotary sleeve when the tin spraying mechanism is not spraying tin.
In the figure: 1. a housing; 2. a cooling tube; 3. a wire feeding tube; 4. a reflux baffle; 5. a fixing seat; 6. a heating ring; 7. a tin spraying nozzle; 8. a distribution collar; 9. tilting the catheter; 10. an air inlet pipe; 11. an air outlet pipe; 12. a fixed sleeve; 13. rotating the sleeve; 14. an air inlet baffle; 15. an air outlet baffle; 16. a connecting rod; 17. an extension tube; 18. a drive gear; 31. an air inlet hole; 41. a central air hole; 51. an air intake passage; 52. and an air outlet channel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1, a vertical tin spraying mechanism comprises a shell 1 and a wire feeding pipe 3 which is positioned in the shell 1 and is coaxial with the shell 1, wherein a tin wire feeding mechanism is arranged below the wire feeding pipe 3, the lower part of the wire feeding pipe 3 is communicated with the outside of the shell 1 through a tin spraying nozzle 7, and tin wires are melted from the upper part of the wire feeding pipe 3 into the shell 1 and sprayed out from the tin spraying nozzle 7.
Further, the outside of wire feed pipe 3 sets up coaxial cooling tube 2, backward flow baffle 4, fixing base 5, heating ring 6, the below of cooling tube 2 sets gradually backward flow baffle 4, fixing base 5 and heating ring 6, the interior pore wall of cooling tube 2 does not contact with wire feed pipe 3, the hole of backward flow baffle 4, fixing base 5, heating ring 6 contacts with wire feed pipe 3, the inside heater strip that sets up of heating ring 6 for melt the heating of wire feed pipe 3 inside tin silk.
Further, a distribution ring sleeve 8 is arranged outside the shell 1, the distribution ring sleeve 8 is connected with an air inlet pipe 10, and the air inlet pipe 10 is used for entering high-pressure protective gas. The distribution ring sleeve 8 is connected with the shell 1, the inclined guide pipe 9 is distributed on the shell wall, the inclined guide pipe 9 is communicated with the space between the distribution ring sleeve 8 and the shell 1 and the cooling pipe 2, and the protective gas in the distribution ring sleeve 8 enters the shell 1 from the inclined guide pipe 9 to form vortex airflow between the shell 1 and the cooling pipe 2. An air outlet pipe 11 is arranged at the upper part of the cooling pipe 2, and the air outlet pipe 11 is used for discharging air.
The diameter of the backflow baffle 4 is smaller than the inner diameter of the shell 1, an air inlet hole 31 is formed in the portion, located between the backflow baffle 4 and the fixed seat 5, of the wire feeding tube 3, and the upper portion of the heating ring 6 extends out of the top surface of the fixed seat 5 to the outside of the air inlet hole 31. The shielding gas enters the air inlet hole 31 from the upper part to the lower part of the external space of the cooling pipe 2 through a gap between the side wall of the backflow baffle 4 and the inner wall of the shell 1, and high-pressure conveying is carried out on the tin liquid in the wire feeding pipe 3, so that the tin liquid is sprayed out from the tin spraying nozzle 7.
Because the high-pressure protective gas forms vortex airflow between the shell 1 and the cooling pipe 2, the rotational flow movement close to the inner wall of the shell 1 is more intense, the temperature is higher, and high-temperature gas is formed; the swirling motion near the outer wall of the cooling tube 2 is slower, so the temperature is lower, forming a low temperature gas. High-temperature gas can enter between the backflow baffle 4 and the fixed seat 5 to assist in heating tin wires in the wire feeding tube 3. The low-temperature gas is reflected by the backflow baffle 4 to enter the cooling pipe 2 to cool the tin wire at the upper part of the wire feeding pipe 3, so that the tin wire at the upper part of the wire feeding pipe 3 is prevented from being heated to generate morphological change.
When the tin spraying mechanism in the embodiment is in a tin spraying state, the air inlet pipe 10 is connected with vacuum, the air outlet pipe 11 is closed, and the excessive liquid tin material in the wire feeding pipe 3 is prevented from dripping from the tin spraying nozzle 7.
Example 2
Unlike embodiment 1, a fixed sleeve 12, a rotary sleeve 13, an air inlet baffle 14 and an air outlet baffle 15 are further arranged between the reflux baffle 4 and the fixed seat 5 of the tin spraying mechanism in the embodiment, an inner hole of the rotary sleeve 13 is attached to the outer wall of the fixed sleeve 12, communication holes for connecting the inside of the fixed sleeve 12 and the outside of the rotary sleeve 13 are respectively arranged on the fixed sleeve 12 and the rotary sleeve 13, and the air inlet baffle 14 and the air outlet baffle 15 are in rotary sealing connection with the end face of the rotary sleeve 13.
Further, a central air hole 41 is arranged at the inner hole of the backflow baffle 4, and a through hole corresponding to the central air hole 41 is arranged on the air outlet baffle 15. The inside of fixing base 5 sets up the air inlet channel 51 and the air outlet channel 52 of connection, air inlet channel 51 is located the below of air inlet baffle 14, air inlet baffle 14 sets up the through-hole that corresponds with fixing base 5 and gets air inlet channel 51 position, air outlet channel 52 is located the below of central gas pocket 41.
The tin spraying mechanism has two working states.
When the tin spraying mechanism is in a tin spraying state, the air inlet baffle 14 shields the air inlet channel 51, the air outlet baffle 15 shields the central air hole 41, the communication holes on the fixed sleeve 12 and the rotary sleeve 13 are communicated, the protective gas can enter the distribution annular sleeve 8 through the air inlet pipe 10, the protective gas in the distribution annular sleeve 8 enters the shell 1 from the inclined guide pipe 9, vortex air flow is formed between the shell 1 and the cooling pipe 2, and swirling motion close to the inner wall of the shell 1 is more severe, so that high-temperature gas is formed; the swirling motion near the outer wall of the cooling tube 2 is slower, forming a low temperature gas. The high-temperature gas can enter between the backflow baffle 4 and the fixed seat 5 to assist heat to the tin wire in the wire feeding pipe 3, and simultaneously enters the air inlet hole 31 to carry out high-pressure conveying to the tin liquid in the wire feeding pipe 3, so that the tin liquid is sprayed out of the tin spraying nozzle 7. The low-temperature gas is reflected by the backflow baffle 4 to enter the cooling pipe 2, so that tin wires at the upper part of the wire feeding pipe 3 are cooled, the situation that the tin wires at the upper part of the wire feeding pipe 3 are heated to change in shape is avoided, and finally the tin wires are discharged from the air outlet pipe 11.
When the tin spraying mechanism is in a tin spraying state, the through hole of the air inlet baffle 14 is communicated with the air inlet channel 51, the through hole of the air outlet baffle 15 is communicated with the central air hole 41, the communication holes on the fixed sleeve 12 and the rotary sleeve 13 are not communicated, and high-temperature shielding gas can enter the air inlet channel 51 from the position between the backflow baffle 4 and the fixed seat 5, be sprayed out from the air outlet channel 52, pass through the central air hole 41 and the inside of the cooling pipe 2, and then be discharged from the exhaust pipe 11. In the process, the protective gas passes through the air inlet hole 31 of the wire feeding pipe 3, so that negative pressure is formed at the air inlet hole 31 of the wire feeding pipe 3, and the excessive liquid tin material in the wire feeding pipe 3 is prevented from dripping from the tin spraying nozzle 7.
Example 3
This embodiment is different from embodiment 2 in that an extension pipe 17 with its top extending to the outside of the cooling pipe 2 is attached to the outside of the wire feeding pipe 3, and the lower part of the extension pipe 17 is connected to the upper part of the air outlet baffle 15 through a connecting rod 16. The extension pipe 17 is sleeved with a driving gear 18 at one end of the outer part of the cooling pipe 2, and the driving gear 18 can be matched with an external transmission structure to drive the extension pipe 17 to rotate. The rotary sleeve 13 is fixedly connected with the air inlet baffle 14 and the air outlet baffle 15 respectively, and the extension pipe 17 rotates to drive the air outlet baffle 15, the rotary sleeve 13 and the air inlet baffle 14 to rotate so as to adapt to the change of the working state of the tin spraying mechanism.
Further, the walls of the two sides of the at least one central air hole 41 of the backflow baffle 4 are provided with grooves for accommodating the connecting rods 16, so that the air outlet baffle 15 can form complete shielding of the central air hole 41 on the backflow baffle 4 in a rotating state.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a vertical tin spraying mechanism, includes casing (1) and is located inside casing (1) and with the coaxial wire feed pipe (3) of casing (1), the lower part of wire feed pipe (3) is linked together with the outside of casing (1) through tin spray nozzle (7), its characterized in that, the outside of wire feed pipe (3) sets up coaxial cooling tube (2), reflux baffle (4), fixing base (5), heating ring (6), the below of cooling tube (2) sets gradually reflux baffle (4), fixing base (5) and heating ring (6), the hole wall of cooling tube (2) does not contact with wire feed pipe (3), reflux baffle (4), fixing base (5), the hole of heating ring (6) and wire feed pipe (3) contact;
the distribution ring sleeve (8) is arranged outside the shell (1), the distribution ring sleeve (8) is connected with the air inlet pipe (10), a shell wall ring cloth inclined guide pipe (9) connected with the shell (1) is arranged on the distribution ring sleeve (8), the inclined guide pipe (9) is communicated with the space between the distribution ring sleeve (8) and the shell (1) and the cooling pipe (2), and an air outlet pipe (11) is arranged at the upper part of the cooling pipe (2);
the diameter of the backflow baffle (4) is smaller than the inner diameter of the shell (1), and an air inlet hole (31) is formed in the portion, located between the backflow baffle (4) and the fixing seat (5), of the wire feeding pipe (3).
2. The tin spraying mechanism according to claim 1, wherein a fixed sleeve (12), a rotary sleeve (13), an air inlet baffle (14) and an air outlet baffle (15) are arranged between the backflow baffle (4) and the fixed seat (5), an inner hole of the rotary sleeve (13) is attached to the outer wall of the fixed sleeve (12), communication holes for connecting the inside of the fixed sleeve (12) and the outside of the rotary sleeve (13) are respectively arranged on the fixed sleeve (12) and the rotary sleeve (13), and the air inlet baffle (14) and the air outlet baffle (15) are in rotary sealing connection with the end face of the rotary sleeve (13);
a central air hole (41) is formed in the inner hole of the backflow baffle (4), and a through hole corresponding to the central air hole (41) is formed in the air outlet baffle (15);
the inside of fixing base (5) sets up inlet channel (51) and the passageway of giving vent to anger (52) of connection, inlet channel (51) are located the below of air inlet baffle (14), air inlet baffle (14) set up the through-hole that corresponds with inlet channel (51) position, outlet channel (52) are located the below of central gas pocket (41).
3. The tin spraying mechanism according to claim 2, wherein an extension pipe (17) with the top extending to the outside of the cooling pipe (2) is sleeved on the outer part of the wire feeding pipe (3), and the lower part of the extension pipe (17) is connected with the upper part of the air outlet baffle plate (15) through a connecting rod (16);
the wall of the two sides of at least one central air hole (41) of the backflow baffle (4) is provided with a groove for accommodating the connecting rod (16);
the rotary sleeve (13) is fixedly connected with the air inlet baffle (14) and the air outlet baffle (15) respectively.
4. A tin spraying mechanism according to claim 3, characterized in that the extension tube (17) is provided with a driving member for driving the extension tube (17) to rotate at one end outside the cooling tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396592.8A CN114752883B (en) | 2022-04-15 | 2022-04-15 | Vertical tin spraying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396592.8A CN114752883B (en) | 2022-04-15 | 2022-04-15 | Vertical tin spraying mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114752883A CN114752883A (en) | 2022-07-15 |
| CN114752883B true CN114752883B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210396592.8A Active CN114752883B (en) | 2022-04-15 | 2022-04-15 | Vertical tin spraying mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114769785B (en) * | 2022-04-18 | 2023-10-20 | 翼龙半导体设备(无锡)有限公司 | High-pressure air self-cooling hot tin spray head |
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| CN106076693A (en) * | 2016-07-15 | 2016-11-09 | 苏州锡友微连电子科技有限公司 | A kind of tin cream injection valve |
| CN206764059U (en) * | 2017-03-23 | 2017-12-19 | 贵州润柏吉科技有限公司 | A kind of press welding device for mounted LED lamp bulb |
| CN109604759A (en) * | 2019-01-31 | 2019-04-12 | 张博曦 | A kind of electric iron |
| CN109623064A (en) * | 2019-02-01 | 2019-04-16 | 广东大唐永恒智能科技有限公司 | High frequency tin-soldering method |
| CN109967754A (en) * | 2019-05-09 | 2019-07-05 | 广东仁开科技有限公司 | A kind of online water conservancy diversion open and close system of high temperature tin melt |
| CN212858102U (en) * | 2020-08-11 | 2021-04-02 | 深圳新控自动化设备有限公司 | Tin-point cylinder structure |
| CN214212644U (en) * | 2020-11-27 | 2021-09-17 | 佛山汇百盛激光科技有限公司 | Coaxial wire feeding blowing nozzle and wire feeding welding equipment |
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