CN217095678U

CN217095678U - Single-head single-furnace tin powder ultrasonic production equipment

Info

Publication number: CN217095678U
Application number: CN202123374760.3U
Authority: CN
Inventors: 刘桢; 杨松; 杨卫军; 闫四海
Original assignee: Rocket Force University of Engineering of PLA
Current assignee: Rocket Force University of Engineering of PLA
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-02
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a single-head single-furnace tin powder ultrasonic production device, which relates to the technical field of tin powder production devices and comprises a paying-off wire feeding component, a cleaning component straightening component, a tin melting and dropping component, an ultrasonic atomization component and a box body cooling component; the tin wire is melted into tin liquid drops to the tool head, the tool head which rotates at high speed and is provided with ultrasonic vibration atomizes the tin liquid into spherical liquid drops with target diameters and flies into the box body cooling assembly, the spherical liquid drops are rapidly cooled into solid spherical powder in the box body cooling assembly, the spherical powder is integrally round and smooth, the integrity is higher, the diameter is smaller, and the problems of overlarge particle size, wide particle size distribution and uneven powder geometrical shape of the existing powder characteristics can be solved.

Description

Single-head single-furnace tin powder ultrasonic production equipment

Technical Field

The utility model relates to a tin powder production facility technical field.

Background

Tin has the characteristics of soft texture, low melting point, good ductility, easy alloying with a plurality of metals, no toxicity, corrosion resistance and the like, is one of the most widely used metals for industrial application, and is mainly used for manufacturing tin solder, tin chemical products, tin-plated plates, float glass, tin alloy and the like. Tin powder is used as an important industrial raw material, and is increasingly applied to the fields of electronics, metallurgy, energy, space navigation and the like. Since the 21 st century, the manufacturing industry of electronic information products in China has rapidly increased by more than 20% every year, and the Surface Mount Technology (SMT) and production lines in China have also been rapidly developed under the promotion of the rapid development of the industry. The solder paste is a novel welding material produced along with SMT, and is a paste mixture formed by mixing solder powder, soldering flux, other surfactants, thixotropic agents and the like. The soldering tin powder is mainly used for soldering electronic components such as PCB surface resistance, capacitance, IC and the like in the SMT industry, wherein the proportion of the soldering tin powder is not less than 90%.

The most used solder powder of consumer electronic products is the solder powder with T3 and T4 particle diameters which is mainly needed by the solder paste used in the industries such as mobile phones and notebooks at present, about 80 percent of the used solder powder is concentrated on the two models, and the use amount of the solder powder of T5, T6 and T7 is gradually increased along with the refinement of electronic components and the continuous narrowing of the spacing technology. The application of the ultra-fine powder (T6/T7/T8) may be a necessary way in the development direction of tin powder in the future.

With the increasing performance requirements of modern industry on the particle size, purity, morphology and other aspects of tin powder, although the conventional tin powder preparation methods such as water atomization, gas atomization, centrifugal atomization and other technologies have entered large-scale industrial production stages, the powder characteristics such as particle size, particle size distribution, powder geometry and other aspects determined by the process method are difficult to meet the use requirements of certain fields on high-performance tin powder, and therefore, the development of a preparation process and equipment capable of meeting the higher tin powder requirements is urgently needed. Ultrasonic atomization is a common process for preparing tin powder, wherein ultrasonic waves convert electric energy into mechanical energy through a transducer, an amplitude transformer increases and transmits the amplitude of the mechanical energy to an atomization tool head, and molten metal is atomized through the mechanical energy to prepare spherical powder. However, the problems of low ultrasonic frequency, coarse powder particle size, small single-machine atomization amount and the like generally exist in the whole production technology

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems of coarse granularity, small single-machine atomization amount and the like of the conventional ultrasonic atomization tin powder, the single-head single-furnace tin powder ultrasonic production equipment is disclosed, and has the advantages of good atomization effect, fine tin powder granulation and high processing yield.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a single-head single-furnace tin powder ultrasonic production device comprises a paying-off wire feeding assembly, a cleaning assembly straightening assembly, a tin melting and dropping assembly, an ultrasonic atomizing assembly and a box body cooling assembly; the ultrasonic atomization device comprises an ultrasonic transducer, an electro-hydraulic slip ring, an amplitude transformer and a tool head, wherein the amplitude transformer and the tool head extend into the box body cooling assembly, the servo motor is rotatably connected with the ultrasonic transducer and the electro-hydraulic slip ring through the transmission device, the tool head is arranged on the dormitory amplitude transformer at the output end of the ultrasonic transducer, and the ultrasonic transducer is rotatably connected with the electro-hydraulic slip ring.

By the scheme, the tin wire extends out of the paying-off wire feeding assembly, enters the cleaning assembly straightening assembly, the tin melting and dropping assembly is respectively cleaned to remove dirt and straightened, the tin wire enters the tin dropping assembly, the tin wire is melted into tin liquid and drops on the tool head below the tin liquid at a specific frequency, the ultrasonic transducer transmits ultrasonic vibration to the tool head through the amplitude transformer, the servo motor enables the ultrasonic transducer, the amplitude transformer and the tool head to rotate at high speed through the transmission device, the electro-hydraulic slip ring is arranged to facilitate the rotation and power supply of the ultrasonic transducer, the tin wire is melted into tin liquid drops to the tool head, the tool head rotating at high speed and provided with the ultrasonic vibration atomizes the tin liquid into spherical liquid drops with target diameter and flies into the box cooling assembly, the spherical liquid drops are rapidly cooled into solid spherical powder in the box cooling assembly, the tin wire is cleaned in the whole process, and the atomized spherical liquid drops are wholly round, the integrity is higher, the diameter is smaller, the whole powder is uniform, and the problems of overlarge particle size, wide particle size distribution, uneven powder geometric shape and the like of the existing powder characteristics can be solved; the loss of the equipment in the manufacturing process of the tin powder can be weakened; the quality of the tin powder can be improved, the powder yield of the powder in a target interval can be improved, and the service life of the ultrasonic atomizer can be prolonged.

Further, the passive pay-off mechanism comprises a pay-off bracket, a pay-off shaft, a support bearing, a centering cone head, a pay-off disc and a friction mechanism; the two ends of the pay-off shaft are rotatably connected with a support bearing arranged on the pay-off support, the two sides of the pay-off disc are tightly and fixedly abutted to the centering cone heads, and the friction mechanism is abutted to the pay-off shaft.

Through above-mentioned scheme, on tin silk winding was located the drawing drum, the paying off shaft rotated with the support bearing and is connected, and the drawing drum was through to heart conical head and paying off shaft butt, when dragging tin silk drawing drum and rotating with the paying off shaft and accomplish the unwrapping wire, set up the rotational resistance of friction mechanism increase paying off shaft, the tensioning tin silk of being convenient for of control tin silk unwrapping wire dynamics of being convenient for.

Furthermore, the initiative send a subassembly including locating cylinder pinch roller and the motor drive's of melting tin and dripping tin subassembly input, the tin silk is by centre gripping between drive wheel and cylinder pinch roller, and the tin silk end stretches into and melts tin and drip tin subassembly input.

Through above-mentioned scheme, set up drive wheel and cylinder pinch roller and constantly pull the tin silk, the tin silk send the convenient regulation and control of linear speed.

Furthermore, the cleaning assembly comprises wire pressing and guiding wheels arranged on one side of the output end of the pay-off reel, and an ultrasonic cleaning machine is arranged between the wire pressing and guiding wheels.

Through above-mentioned scheme, set up line ball wire wheel and change the tin silk position, make things convenient for the tin silk to get into the ultrasonic cleaner of below in, conveniently carry out ultrasonic cleaning.

Further, the molten tin drips tin subassembly includes from last sealed lid, storage molten tin bath, heating pipe, the tin mould of dripping of installing down, the heating pipe encircle store up on the molten tin bath, in store up and be filled with protection nitrogen gas in the molten tin bath, sealed upper end of covering is equipped with the tin silk admission pipe, drips the tin mould and stretches into just right in the box cooling module the tool bit sets up.

Through above-mentioned scheme, the tin silk passes through the sealed entering of pipe and stores up the tin bath by the tin silk, heats via the heating pipe and melts, and the tin liquid is by dripping the tin mould and downwards dripping to instrument head, and its storage tin bath is filled protection nitrogen gas, avoids the tin silk oxidation.

Furthermore, the box cooling assembly comprises a cooling box arranged on the integral support and a discharge box arranged at the bottom end of the cooling box, and a discharge valve is arranged at the bottom end of the discharge box.

Through above-mentioned scheme, set up the cooling tank and be convenient for the cooling molten tin liquid granule form the powder, go out the workbin and cooperate the discharge valve to accomplish hoarding and unloading of tin powder.

Further, the upper end of the cooling box is provided with an atmosphere regulating valve and a gas concentration detection meter, low-temperature cooling nitrogen is filled in the cooling box, the atmosphere regulating valve is connected with a nitrogen gas source, a cold water circulation pipeline is arranged in the cooling box and connected with an external water source, and a water temperature detection meter is arranged on the cooling box.

Through above-mentioned scheme, set up the cold water circulation pipeline and be convenient for become water-cooling circuit at the cooling box, set up the atmosphere governing valve simultaneously and conveniently fill into low-temperature cooling nitrogen gas, cooperation gas concentration detection table, temperature detection table detect nitrogen gas concentration, are convenient for regulate and control the temperature in the cooling box, maintain low temperature nitrogen gas protection atmosphere, avoid tin powder oxidation.

Furthermore, the straightening assembly comprises an X-direction straightening roller set and a Y-direction straightening roller set, and the X-direction straightening roller set and the Y-direction straightening roller set are arranged above the tin wire inlet pipe.

Through the scheme, the X-direction straightening roller group and the Y-direction straightening roller group are arranged to comprehensively straighten the tin wire, so that the tin wire can conveniently enter the tin wire inlet pipe.

The utility model has the advantages as follows:

1. the utility model discloses the tin silk stretches out from unwrapping wire send subassembly and gets into and washs subassembly alignment subassembly, melt tin and drip tin subassembly and wash respectively and detach the filth, the aligning back, the tin silk gets into tin and drips tin subassembly, the tin silk melts into tin liquid and drips on the instrument head of below with specific frequency, ultrasonic transducer passes through the amplitude transformer and passes ultrasonic vibration to the instrument head, servo motor impels ultrasonic transducer through transmission, the amplitude transformer, the instrument head produces high-speed rotation, it makes things convenient for ultrasonic transducer to rotate and supply power to set up the electric liquid sliding ring, the tin silk melts into tin liquid and arrives instrument head department, high-speed rotation and take ultrasonic vibration's instrument head atomizes tin liquid into the spherical liquid drop of target diameter and flies into box cooling module, spherical liquid drop cools off into solid spherical powder rapidly in box cooling module, whole process tin silk is cleaned, it is whole mellow and moist to atomize spherical liquid drop that atomize, the integrity is higher, the diameter is smaller, the whole powder is uniform, and the problems of overlarge particle size, wide particle size distribution, uneven powder geometric shape and the like of the existing powder characteristics can be solved; the loss of the equipment in the manufacturing process of the tin powder can be weakened; the quality of tin powder can be improved, the powder yield of powder in a target interval can be improved, and the service life of the ultrasonic atomizer can be prolonged;

2. an atmosphere regulating valve is arranged to conveniently charge low-temperature cooling nitrogen, and the nitrogen concentration is detected by matching with a gas concentration detection meter and a water temperature detection meter, so that the temperature in the cooling box is conveniently regulated and controlled, the low-temperature nitrogen protection atmosphere is maintained, and the tin powder is prevented from being oxidized;

3. set up line ball wire wheel and change the tin silk position, make things convenient for the tin silk to get into the ultrasonic cleaner of below in, conveniently carry out ultrasonic cleaning.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the passive pay-off mechanism of the present invention;

FIG. 3 is a schematic view of the cleaning assembly of the present invention;

FIG. 4 is a schematic structural view of the tin melting and dropping assembly of the present invention;

fig. 5 is a schematic structural view of the ultrasonic atomizing assembly of the present invention.

Reference numerals: 1. a straightening assembly; 2. an active wire feed assembly; 3. melting tin and dropping the tin assembly; 4. an ultrasonic atomization component; 5. a cooling tank; 6. a discharging box; 7. an integral support; 8. a discharge valve; 10. cleaning the assembly; 11. A passive pay-off mechanism; 12. an atmosphere regulating valve; 13. a cold water circulation line; 14. a gas concentration detection meter; 15. a water temperature detection meter; 17. a servo motor; 18. an ultrasonic transducer; 19. paying off a support; 20. a pay-off shaft; 21. a support bearing; 22. centering the conical head; 23. a pay-off reel; 24. a friction mechanism; 25. an ultrasonic cleaning machine; 26. pressing a wire guide wheel; 27. a tin dropping mold; 28. heating a tube; 29. a tin storage tank; 30. a sealing cover; 31. an X-direction straightening roller set; 32. a Y-direction straightening roller set; 33. a drive wheel; 34. a cylinder pinch roller; 35. an electro-hydraulic slip ring; 36. an amplitude transformer; 37. a tool head; 38. and a transmission device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Example 1

As shown in fig. 1 to 5, the present embodiment provides a single-head single-furnace ultrasonic tin powder production apparatus, which includes a rack, including a wire paying-off and feeding assembly, a cleaning assembly 10, a straightening assembly 1, a tin melting and dropping assembly 3, an ultrasonic atomizing assembly 4, and a box cooling assembly; the tin wire is wound on the wire feeding assembly and passes through the cleaning assembly 10, the straightening assembly 1 finally enters the tin melting and tin dropping assembly 3, the output end of the ultrasonic atomizing assembly 4 and the output end of the tin melting and tin dropping assembly 3 both extend into the box cooling assembly, the paying-off and wire feeding assembly comprises a passive paying-off mechanism 11 and an active wire feeding assembly 2, the ultrasonic atomizing assembly 4 comprises a servo motor 17, a transmission device 38, an ultrasonic transducer 18, an electro-hydraulic slip ring 35, an amplitude transformer 36 and a tool head 37, wherein the amplitude transformer 36 and the tool head 37 extend into the box cooling assembly, the servo motor 17 is rotatably connected with the ultrasonic transducer 18 and the electro-hydraulic slip ring 35 through the transmission device 38, the tool head 37 is arranged on the dormitory amplitude transformer 36 at the output end of the ultrasonic transducer 18, and the ultrasonic transducer 18 is rotatably connected with the electro-hydraulic slip ring 35.

Therefore, after the tin wire extends out of the paying-off wire feeding assembly, enters the straightening assembly 1 of the cleaning assembly 10 and the tin melting and dropping assembly 3 to be cleaned, dirt is removed and straightened respectively, the tin wire enters the tin melting and dropping assembly, the tin wire is melted into tin liquid and drops on the tool head 37 below at a specific frequency, the ultrasonic transducer 18 transmits ultrasonic vibration to the tool head 37 through the amplitude transformer 36, the servo motor 17 prompts the ultrasonic transducer 18, the amplitude transformer 36 and the tool head 37 to rotate at a high speed through the transmission device 38, the electro-hydraulic slip ring 35 is arranged to facilitate the ultrasonic transducer 18 to rotate and supply power, the ultrasonic transducer 18 can convert electric energy into mechanical energy, the amplitude of the mechanical energy is increased and transmitted to the atomizing tool head 37 through the amplitude transformer 36, the metal melting liquid is atomized into spherical powder through the mechanical energy, the tin wire is melted into tin liquid drops and flows to the tool head 37, the tool head 37 rotating at a high speed and with the ultrasonic vibration atomizes the tin liquid into spherical liquid drops with a target diameter and scatters into the spherical liquid drops into a box cooling assembly, the spherical liquid drops are rapidly cooled into solid spherical powder in the box body cooling assembly, the tin wire is cleaned in the whole process, the atomized spherical liquid drops are round and smooth in whole, high in integrity, small in diameter and uniform in whole powder, and the problems of the existing powder characteristics such as overlarge particle size, wide particle size distribution, uneven powder geometrical shape and the like can be solved; the loss of the equipment in the manufacturing process of the tin powder can be weakened; the quality of the tin powder can be improved, the powder yield of the powder in a target interval can be improved, and the service life of the ultrasonic atomizer can be prolonged.

Referring to fig. 1 and fig. 2, the passive pay-off mechanism 11 is used for supplying a tin wire, and the passive pay-off mechanism 11 includes a pay-off bracket 19, a pay-off shaft 20, a support bearing 21, a centering cone 22, a pay-off reel 23 and a friction mechanism 24; two ends of the pay-off shaft 20 are rotatably connected with a support bearing 21 arranged on the pay-off bracket 19, two sides of the pay-off disc 23 are tightly abutted and fixed with the centering cone head 22, and the friction mechanism 24 is abutted with the pay-off shaft 20. In this embodiment, the friction mechanism 24 is a friction bar screwed to the frame, and the friction bar abuts against the pay-off shaft 20. Consequently on tin silk winding locates drawing drum 23, paying off shaft 20 rotates with support bearing 21 and is connected, and drawing drum 23 is through to heart

conical head

22 and 20 butts of paying off shaft, when dragging tin

silk drawing drum

23 and 20 rotations of paying off shaft and accomplish the unwrapping wire, sets up the rotation resistance of 24 increase paying off shafts 20 of friction mechanism, the control tin silk unwrapping wire dynamics of being convenient for, the tensioning tin silk of being convenient for. The initiative is sent a subassembly 2 and is including locating cylinder pinch roller 34 and the motor drive's of 3 inputs of molten tin and drip tin subassembly 33, and the tin silk is by the centre gripping between drive wheel 33 and cylinder pinch roller 34, and the tin silk end stretches into the 3 inputs of molten tin and drip tin subassembly, sets up drive wheel 33 and cylinder pinch roller 34 and constantly pulls the tin silk, and the tin silk send the convenient regulation and control of linear velocity.

Referring to fig. 1, 2 and 3, set up and wash subassembly 10 and be convenient for clear up the tin silk, get rid of impurity and partial oxide layer, wash subassembly 10 including locating the line ball wire wheel 26 of pay off reel 23 output one side, be provided with ultrasonic cleaner 25 between line ball wire wheel 26, set up line ball wire wheel 26 and change the tin silk position, make things convenient for the tin silk to get into in the ultrasonic cleaner 25 of below, conveniently carry out ultrasonic cleaning.

Referring to fig. 1, the straightening assembly 1 includes an X-direction straightening roller set 31 and a Y-direction straightening roller set 32, the X-direction straightening roller set 31 and the Y-direction straightening roller set 32 are arranged above the tin wire inlet pipe, and the X-direction straightening roller set 31 and the Y-direction straightening roller set 32 are arranged to comprehensively straighten the tin wire so that the tin wire can enter the tin wire inlet pipe conveniently.

Referring to fig. 1 and 4, molten tin drips tin subassembly 3 and includes from last sealed lid 30 of installing down, store up tin bath 29, heating pipe 28, drip tin mould 27, heating pipe 28 encircles on storing up tin bath 29, be filled with protection nitrogen gas in storing up tin bath 29, sealed lid 30 upper end is provided with the tin silk admission pipe, drip tin mould 27 and stretch into in the box cooling module and just to the tool bit 37 setting, the tin silk passes through sealed lid 30 entering of pipe and stores up tin bath 29 by the tin silk, heat through heating pipe 28 and melt, the tin liquid is by dripping tin mould 27 and drip to tool bit 37 downwards, it stores up tin bath 29 and fills protection nitrogen gas, avoid the tin silk oxidation.

Referring to fig. 1, the box cooling assembly comprises a cooling box 5 arranged on an integral support 7 and a discharge box 6 arranged at the bottom end of the cooling box 5, a discharge valve 8 is arranged at the bottom end of the discharge box 6, an atmosphere adjusting valve 12 and a gas concentration detection meter 14 are arranged at the upper end of the cooling box 5, low-temperature cooling nitrogen is filled in the cooling box 5, the atmosphere adjusting valve 12 is connected with a nitrogen gas source, a cold water circulation pipeline 13 is arranged in the cooling box 5, the cold water circulation pipeline 13 is connected with an external water source, and a water temperature detection meter 15 is arranged on the cooling box 5. Set up the tin liquid granule that the cooler bin 5 is convenient for cool off and melts and form the powder, set up cold water circulating line 13 promptly and be convenient for form the water-cooling circuit at cooler bin 5, set up atmosphere control valve 12 simultaneously and conveniently fill into low temperature cooling nitrogen gas, cooperation gas concentration detection table 14, temperature detection table 15 detect nitrogen gas concentration, the temperature in the cooler bin 5 of being convenient for regulate and control maintains low temperature nitrogen gas protection atmosphere, avoids the oxidation of tin powder, and play workbin 6 cooperates 8 unloading valves to accomplish hoarding and unloading of tin powder.

The implementation principle is as follows: the utility model discloses a single-end single-furnace tin powder ultrasonic production equipment, the tin silk stretches out from unwrapping wire send subassembly and gets into washing subassembly 10 alignment subassembly 1, melt tin and drip tin subassembly 3 and wash respectively and detach the filth, the aligning back, the tin silk gets into tin and drips the tin liquid with specific frequency on instrument head 37 of below, ultrasonic transducer 18 transmits ultrasonic vibration to instrument head 37 through amplitude transformer 36, servo motor 17 impels ultrasonic transducer 18 through transmission 38, amplitude transformer 36, instrument head 37 produces high-speed rotation, set up electric hydraulic slip ring 35 and make things convenient for ultrasonic transducer 18 to rotate and supply power, the tin silk melts into tin liquid and reaches instrument head 37 department, high-speed rotation and take ultrasonic vibration's instrument head 37 to atomize tin liquid into the spherical liquid drop of target diameter and fly into box cooling module, the spherical liquid drop cools off rapidly into solid spherical powder in box cooling module, the tin wire is cleaned in the whole process, the atomized spherical liquid drops are round and smooth in whole, the integrity is high, the diameter is small, the whole powder is uniform, and the problems of the existing powder characteristics such as overlarge particle size, wide particle size distribution, uneven powder geometric shape and the like can be solved; the loss of the equipment in the manufacturing process of the tin powder can be weakened; the quality of the tin powder can be improved, the powder yield of the powder in a target interval can be improved, and the service life of the ultrasonic atomizer can be prolonged.

Claims

1. The single-head single-furnace tin powder ultrasonic production equipment is characterized by comprising a wire paying and feeding assembly, a cleaning assembly (10), a straightening assembly (1), a tin melting and dropping assembly (3), an ultrasonic atomizing assembly (4) and a box cooling assembly; the tin wire is wound on the wire feeding assembly and finally enters the tin melting and dropping assembly (3) through the cleaning assembly (10) and the straightening assembly (1), the output end of the ultrasonic atomizing assembly (4) and the output end of the tin melting and dropping assembly (3) both extend into the box cooling assembly, the wire paying-off and wire feeding assembly comprises a passive paying-off mechanism (11) and an active wire feeding assembly (2), the ultrasonic atomizing assembly (4) comprises a servo motor (17), a transmission device (38), an ultrasonic transducer (18), an electro-hydraulic slip ring (35), an amplitude transformer (36) and a tool head (37), wherein the amplitude transformer (36) and the tool head (37) extend into the box cooling assembly, and the servo motor (17) is rotationally connected with the ultrasonic transducer (18) and the electro-hydraulic slip ring (35) through the transmission device (38), the tool head (37) is arranged on the amplitude transformer (36) at the output end of the ultrasonic transducer (18), and the ultrasonic transducer (18) is rotationally connected with the electro-hydraulic slip ring (35).

2. The single-head single-furnace ultrasonic tin powder production equipment according to claim 1, wherein the passive pay-off mechanism (11) comprises a pay-off bracket (19), a pay-off shaft (20), a support bearing (21), a centering cone head (22), a pay-off reel (23) and a friction mechanism (24); the two ends of the pay-off shaft (20) are rotatably connected with a support bearing (21) arranged on the pay-off support (19), the two sides of the pay-off disc (23) are tightly and fixedly abutted against the centering conical head (22), and the friction mechanism (24) is abutted against the pay-off shaft (20).

3. The ultrasonic single-head single-furnace tin powder production equipment as claimed in claim 1, wherein the active wire feeding assembly (2) comprises a cylinder pinch roller (34) arranged at the input end of the tin melting and dropping assembly (3) and a motor-driven driving roller (33), the tin wire is clamped between the driving roller (33) and the cylinder pinch roller (34), and the tail end of the tin wire extends into the input end of the tin melting and dropping assembly (3).

4. The single-head single-furnace ultrasonic tin powder production equipment as claimed in claim 2, wherein the cleaning assembly (10) comprises line pressing and guiding wheels (26) arranged on one side of the output end of the pay-off reel (23), and an ultrasonic cleaning machine (25) is arranged between the line pressing and guiding wheels (26).

5. The single-head single-furnace ultrasonic tin powder production equipment as claimed in claim 1, wherein the tin melting and dropping assembly (3) comprises a sealing cover (30), a tin storage tank (29), a heating pipe (28) and a tin dropping mold (27) which are arranged from top to bottom, the heating pipe (28) surrounds the tin storage tank (29), protective nitrogen is filled in the tin storage tank (29), a tin wire inlet pipe is arranged at the upper end of the sealing cover (30), and the tin dropping mold (27) extends into the box cooling assembly and is arranged right opposite to the tool head (37).

6. The single-head single-furnace ultrasonic tin powder production equipment according to claim 1, wherein the box body cooling assembly comprises a cooling box (5) arranged on the integral support (7) and a discharge box (6) arranged at the bottom end of the cooling box, and a discharge valve (8) is arranged at the bottom end of the discharge box (6).

7. The ultrasonic single-head single-furnace tin powder production equipment as claimed in claim 6, wherein an atmosphere adjusting valve (12) and a gas concentration detection meter (14) are arranged at the upper end of the cooling tank (5), low-temperature cooling nitrogen is filled in the cooling tank, the atmosphere adjusting valve (12) is connected with a nitrogen gas source, a cold water circulation pipeline (13) is arranged in the cooling tank (5), the cold water circulation pipeline (13) is connected with an external water source, and a water temperature detection meter (15) is arranged on the cooling tank (5).

8. The single-head single-furnace ultrasonic tin powder production equipment as claimed in claim 5, wherein the straightening assembly (1) comprises an X-direction straightening roller group (31) and a Y-direction straightening roller group (32), and the X-direction straightening roller group (31) and the Y-direction straightening roller group (32) are arranged above the tin wire inlet pipe.