阅读说明：本技术 多功能中小型拉丝连续退火机 (Multifunctional medium and small-sized wire drawing continuous annealing machine ) 是由 区耀锦 曾祥伟 于 2020-08-31 设计创作，主要内容包括：本发明实施例提供了一种多功能中小型拉丝连续退火机,包括机架以及机架内设置的接触轮组件、铜排连接组件、退火变压器、接触器和连接引线,第一外接铜排、第二外接铜排通过连接引线和退火变压器的正极和负极分别电连接,第三外接铜排通过连接引线和接触器的输入端电连接,接触器的输出端通过连接引线和退火变压器的负极电连接。采用该结构的退火机,可自由切换退火模式从而适应不同规格的金属丝,达到了一机多用的使用效果,根据不同大小规格的金属丝,可以通过不同的绕线方式和调整退火变压器的连接方式来切换退火模式,兼顾了中小规格的退火工艺,大大降低了中型规格金属丝退火的能耗。(The embodiment of the invention provides a multifunctional medium and small-sized wire drawing continuous annealing machine which comprises a rack, and a contact wheel assembly, a copper bar connecting assembly, an annealing transformer, a contactor and a connecting lead which are arranged in the rack, wherein a first external copper bar and a second external copper bar are respectively and electrically connected with the anode and the cathode of the annealing transformer through the connecting lead, a third external copper bar is electrically connected with the input end of the contactor through the connecting lead, and the output end of the contactor is electrically connected with the cathode of the annealing transformer through the connecting lead. The annealing machine adopting the structure can freely switch the annealing mode so as to adapt to the metal wires with different specifications, thereby achieving the using effect of one machine with multiple purposes, switching the annealing mode through different winding modes and connection modes of the annealing transformer according to the metal wires with different sizes, giving consideration to the annealing process with medium and small specifications, and greatly reducing the energy consumption for annealing the metal wires with medium and small specifications.)

1. The utility model provides a multi-functional middle-size and small-size wire drawing continuous annealing machine which characterized in that includes:

the copper bar connecting assembly comprises a first external copper bar, a second external copper bar and a third external copper bar;

the first external copper bar and the second external copper bar are respectively and electrically connected with the anode and the cathode of the annealing transformer through the connecting lead, the third external copper bar is electrically connected with the input end of the contactor through the connecting lead, and the output end of the contactor is electrically connected with the cathode of the annealing transformer through the connecting lead;

the wiring groove is arranged on the inner wall of the rack and used for accommodating and arranging the connecting lead;

the copper bar connecting assembly further comprises a first copper bar and a second copper bar, when the contactor is switched to a closed state, the contact wheel K3 and the contact wheel K4 are equipotential, and no current exists between the contact wheel K3 and the contact wheel K4; when the contactor is switched to an off state, the first copper bar and the second copper bar are communicated with the contact wheel K1 and the contact wheel K4, so that the contact wheel K1, the contact wheel K2, the contact wheel K3, the contact wheel K4, the contact wheel K2 and the contact wheel K3 form a series circuit respectively.

2. The multifunctional medium and small-sized wire drawing continuous annealing machine according to claim 1, wherein the contact wheel assembly comprises a carbon brush conductive wheel, an annealing shaft and an annealing nickel pipe, the carbon brush conductive wheel is communicated with the annealing nickel pipe through the annealing shaft, the copper bar connecting assembly further comprises a carbon brush, and the carbon brush is connected with the carbon brush conductive wheel.

3. The multifunctional medium and small size wire drawing continuous annealing machine as claimed in claim 2, wherein the contact wheel assembly further comprises a bearing seat, bakelite insulation seats are arranged at two ends of the bearing seat, and the bakelite insulation seats are arranged between the contact wheel assembly and the frame in a cross welding manner, so that the contact wheel assembly and the frame are arranged in an insulation manner.

4. The multifunctional medium and small-sized wire drawing continuous annealing machine according to claim 3, further comprising a transmission system, wherein the transmission system comprises a driving motor and a belt pulley, and the driving motor drives the belt pulley to rotate so as to drive the contact wheel assembly to rotate.

5. The multifunctional medium and small size wire drawing continuous annealing machine according to claim 4, further comprising an annealing oxidation protection system, wherein the annealing oxidation protection system is arranged between the contact wheel K2 and the contact wheel K3, the annealing oxidation protection system comprises an annealing cavity, and the annealing cavity is provided with a sealing structure and a protective gas inlet.

6. The multifunctional medium and small size wire drawing continuous annealing machine according to claim 5, further comprising a cooling system disposed between the contact wheel K3 and the contact wheel K4, the cooling system comprising a circulating cooling liquid for cooling the wire.

7. The multifunctional medium and small size wire drawing continuous annealing machine according to claim 6, further comprising a drying system, wherein the drying system comprises a compressed air inlet adjusting device and a blow-drying mold, and the drying system is used for blocking surface water vapor of the metal wire.

8. The multifunctional medium and small-sized wire drawing continuous annealing machine as claimed in claim 7, further comprising a plurality of wire guide wheels and a wire guide frame, wherein the wire guide wheels are made of aluminum alloy and sprayed with porcelain, the wire guide wheels are used for winding metal wires, and the wire guide frame is arranged between the contact wheel assemblies.

9. The multifunctional medium and small-sized wire drawing continuous annealing machine according to any one of claims 1 to 8, further comprising an operation control box, wherein the operation control box is suspended at the top of the frame, and is used for switching the opening state and the closing state of the contactor.

10. The multifunctional medium and small size wire drawing continuous annealing machine according to claim 9, further comprising a wire breakage detection device disposed between the contact wheel K1 and the contact wheel K4, the wire breakage detection device comprising a detection rod having conductivity, the detection rod being electrically connected to the operation control box through the connection lead.

Technical Field

The invention relates to the technical field of wire and cable production industry, in particular to a multifunctional medium and small-sized wire drawing continuous annealing machine.

Background

In the current wire and cable industry, annealing modes are classified into 2 annealing machines, one is three-stage annealing (preheat-anneal-reheat), and the other is two-stage annealing (preheat-anneal). The heat carried by the small-size metal wire after annealing is low, the temperature of the metal wire after annealing is greatly reduced when the metal wire passes through an annealing cooling water tank at a high speed, and the temperature of the metal wire needs to be properly increased through a reheating stage, so that the surface of the metal wire is ensured to be dried.

Disclosure of Invention

The invention provides a multifunctional medium and small-sized wire drawing continuous annealing machine, which does not solve the problem that the annealing mode of the traditional metal wire annealing machine cannot be switched to adapt to metal wires with different specifications, so that the requirement of diversified production specifications cannot be met.

The utility model provides a multi-functional middle-size and small-size wire drawing continuous annealing machine which characterized in that includes:

the copper bar connecting assembly comprises a first external copper bar, a second external copper bar and a third external copper bar;

the first external copper bar and the second external copper bar are respectively and electrically connected with the anode and the cathode of the annealing transformer through the connecting lead, the third external copper bar is electrically connected with the input end of the contactor through the connecting lead, and the output end of the contactor is electrically connected with the cathode of the annealing transformer through the connecting lead;

the wiring groove is arranged on the inner wall of the rack and used for accommodating and arranging the connecting lead;

the copper bar connecting assembly further comprises a first copper bar and a second copper bar, when the contactor is switched to a closed state, the contact wheel K3 and the contact wheel K4 are equipotential, and no current exists between the contact wheel K3 and the contact wheel K4; when the contactor is switched to an off state, the first copper bar and the second copper bar are communicated with the contact wheel K1 and the contact wheel K4, so that the contact wheel K1, the contact wheel K2, the contact wheel K3, the contact wheel K4, the contact wheel K2 and the contact wheel K3 form a series circuit respectively.

Further, the contact wheel assembly comprises a carbon brush conductive wheel, an annealing shaft and an annealing nickel pipe, the carbon brush conductive wheel is communicated with the annealing nickel pipe through the annealing shaft, the copper bar connecting assembly further comprises a carbon brush, and the carbon brush is connected with the carbon brush conductive wheel.

Furthermore, the contact wheel assembly further comprises a bearing seat, wherein bakelite insulating seats are arranged at two ends of the bearing seat, and are arranged between the contact wheel assembly and the rack in a cross welding mode and used for enabling the contact wheel assembly and the rack to be arranged in an insulating mode.

Further, still include transmission system, transmission system includes driving motor and belt pulley, driving motor is through the drive the belt pulley rotates and then drives contact wheel subassembly rotary motion.

Further, still include annealing oxidation protection system, annealing oxidation protection system sets up contact wheel K2 with between the contact wheel K3, annealing oxidation protection system includes the annealing chamber, the annealing chamber is equipped with seal structure and protective gas access mouth.

Further, a cooling system is included, which is disposed between the contact wheel K3 and the contact wheel K4, and which includes a circulating cooling fluid for cooling the wire.

Further, the drying system comprises a compressed air inlet adjusting device and a blow-drying mold, and is used for blocking surface moisture of the metal wire.

The wire guide wheels are made of aluminum alloy and sprayed with porcelain, the wire guide wheels are used for winding metal wires, and the wire frame is arranged among the contact wheel assemblies.

Further, the contactor control device further comprises an operation control box, wherein the operation control box is arranged at the top of the rack in a hanging mode, and the operation control box is used for switching the opening state and the closing state of the contactor.

Further, the wire breakage detection device is arranged between the contact wheel K1 and the contact wheel K4, and comprises a detection rod with conductivity, and the detection rod is electrically connected with the operation control box through the connecting lead.

The multifunctional small and medium-sized wire drawing continuous annealing machine provided by the invention comprises a rack and a contact wheel assembly arranged on the rack, wherein the contact wheel assembly comprises a contact wheel K1, a contact wheel K2, a contact wheel K3 and a contact wheel K4. The metal wire to be processed is wound on the contact wheel assembly, and according to the annealing characteristic of the metal wire, a certain number ratio is arranged between the contact wheel assemblies, so that the metal wire can be reliably contacted with the conductive nickel tube of the contact wheel, and the phenomenon of sparking caused by loosening of the metal wire is avoided. Each contact wheel subassembly, external copper bar connection contactor and annealing transformer are connected through the carbon brush among the copper bar coupling assembling, provide DC power supply after by annealing transformer rectification, make wire and copper bar coupling assembling form closed circuit, utilize the electric current fuel factor heating wire, reach the purpose that the wire is annealed. Specifically, when the contactor is switched to the closed state, the contact wheel K3 and the contact wheel K4 are equipotential, namely no current flows between the contact wheel K4 and the contact wheel K4, and the annealing machine is in a two-stage annealing working state; when the contactor is switched to an off state, the first copper bar and the second copper bar are communicated with the contact wheel K1 and the contact wheel K4, so that the contact wheel K1, the contact wheel K2, the contact wheel K3 and the contact wheel K4 form two series circuits, the contact wheel K2 and the contact wheel K3 form another circuit, and at the moment, the metal annealing machine is in a three-section annealing working state.

Therefore, the annealing machine adopting the structure can freely switch the annealing modes to adapt to the metal wires with different specifications, thereby achieving the using effect of one machine with multiple purposes, and according to the metal wires with different sizes and specifications, the annealing modes can be switched by different winding modes and connection modes of the annealing transformer, thereby taking account of the annealing process with medium and small specifications, greatly reducing the energy consumption of annealing the metal wires with medium and small specifications, and thoroughly solving the problem that the annealing modes of the traditional metal wire annealing machine can not be switched to adapt to the metal wires with different specifications, thereby causing the problem that the diversified requirements of production specifications can not be met.

Drawings

FIG. 1 is a wire winding diagram illustrating the two-stage annealing and three-stage annealing operation of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a rear view of the overall structure of the present invention;

fig. 4 is a connection diagram of the copper bar connection assembly of the present invention;

FIG. 5 is a schematic view of the contact wheel assembly of the present invention;

FIG. 6 is an electrical schematic of the present invention;

description of reference numerals: 1. contact wheel K1; 101. a carbon brush conductive wheel; 102. annealing the shaft; 103. annealing the nickel tube; 104. a bearing seat; 105. a bakelite insulating base; 106. a belt pulley; 2. contact wheel K2; 3. contact wheel K3; 4. contact wheel K4; 5. a frame; 6. the copper bar connecting assembly; 601. a first external copper bar; 602. a first copper bar; 603. a second copper bar; 604. a second external copper bar; 605. a third external copper bar; 606. a carbon brush; 7. a contactor; 8. annealing the transformer; 801. annealing the positive electrode of the transformer; 802. annealing the negative electrode of the transformer; 9. a transmission system; 10. operating the control box; 11. an annealing oxidation protection system; 12. a cooling system; 13. a drying system; 14. a wire guide wheel; 15. a wire passing frame; 16. a wire breakage detection device; 17. a wire.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 6, according to the embodiment of the invention, the multifunctional medium and small-sized wire drawing continuous annealing machine comprises a frame 5, a contact wheel assembly and a copper bar connecting assembly 6 are arranged in the frame 5, the contact wheel assembly comprises a contact wheel K1, a contact wheel K2, a contact wheel K3 and a contact wheel K4, and the copper bar connecting assembly 6 comprises a first external copper bar 601, a second external copper bar 604 and a third external copper bar 605. The wire to be processed is wound on the contact wheel assembly, and according to the annealing characteristic of the wire, a certain number ratio is set among the contact wheel K1, the contact wheel K2, the contact wheel K3 and the contact wheel K4, so that the wire can be reliably contacted with the conductive nickel tube of the contact wheel, and the phenomenon of sparking caused by loosening of the wire is avoided.

The annealing transformer 8, the contactor 7 and the connecting lead, the first external copper bar 601 and the second external copper bar 604 are respectively and electrically connected with the anode 801 and the cathode 802 of the annealing transformer 8 through the connecting lead, the third external copper bar 605 is electrically connected with the input end of the contactor 7 through the connecting lead, and the output end of the contactor 7 is electrically connected with the cathode of the annealing transformer 8 through the connecting lead. Each contact wheel subassembly, external copper bar connection contactor 7 and annealing transformer 8 are connected through the carbon brush in copper bar coupling assembling 6, provide DC power supply after by annealing transformer 8 rectification, make wire and copper bar coupling assembling 6 form closed circuit, utilize the electric current heat effect heating wire, reach the purpose that the wire is annealed.

Wiring groove, wiring groove set up on the inner wall of frame 5, and wiring groove is used for holding to arrange and connects the lead wire. Specifically, the connecting lead that draws forth from annealing transformer 8 and contactor 7 arranges and extends from this annealing machine with external copper bar subassembly 6 electricity connection or directly passes frame 5 wall body and draws forth along the wiring groove on the 5 inner walls of frame, hold the effect through the wiring groove and arrange each connecting lead in order, can effectively reduce the electric connecting wire between each part, when the equipment is more convenient, avoid appearing the chaotic and grafting bad scheduling problem of wiring between each equipment part, thereby reduce this annealing machine's the assembly degree of difficulty.

The copper bar connecting assembly 6 further comprises a first copper bar 602 and a second copper bar 603, when the contactor 7 is switched to a closed state, the contact wheel K3 and the contact wheel K4 are equipotential, and no current flows between the contact wheel K3 and the contact wheel K4; when the contactor 7 is switched to the off state, the first copper bar 602 and the second copper bar 603 are communicated with the contact wheel K1 and the contact wheel K4, so that the contact wheel K1 and the contact wheel K2, the contact wheel K3 and the contact wheel K4, and the contact wheel K2 and the contact wheel K3 form a series circuit respectively. Specifically, as shown in the left half of the graph of fig. 1, when the contactor 7 is switched to the closed state, the contact wheel K3 and the contact wheel K4 are at the same potential, that is, there is no current between the contact wheel K4 and the contact wheel K4, and the annealing machine is in the two-stage annealing operation state; referring to the right half of fig. 1, when the contactor 7 is switched to the off state, the first copper bar 602 and the second copper bar 603 are communicated with the contact wheel K1 and the contact wheel K4, so that the contact wheel K1, the contact wheel K2, the contact wheel K3 and the contact wheel K4 form two series circuits, the contact wheel K2 and the contact wheel K3 form another circuit, and at this time, the metal annealing machine is in a three-stage annealing working state. Therefore, the annealing machine adopting the structure can freely switch the annealing modes to adapt to the metal wires with different specifications, thereby achieving the using effect of one machine with multiple purposes, and according to the metal wires with different sizes and specifications, the annealing modes can be switched through different winding modes and connection modes of the regulating transformer, thereby taking account of the annealing process with medium and small specifications into account, greatly reducing the energy consumption of annealing the metal wires with medium and small specifications, and thoroughly solving the problem that the annealing modes of the traditional metal wire annealing machine can not be switched to adapt to the metal wires with different specifications, thereby causing the problem that the diversified requirements of production specifications can not be met.

Preferably, the contact wheel assembly comprises a carbon brush conductive wheel 101, an annealing shaft 102 and an annealing nickel pipe 103, the carbon brush conductive wheel 101 is communicated with the annealing nickel pipe 103 through the annealing shaft 102, the copper bar connecting part 6 further comprises a carbon brush 606, and the carbon brush 606 is connected with the carbon brush conductive wheel 101. Specifically, the annealing shaft 102 connects the carbon brush conductive wheel 101 and the annealing nickel tube 103 at two ends thereof, so that they are combined into a whole contact wheel assembly. The carbon brush 606 on the copper bar connecting part 6 is connected with the carbon brush conductive wheels 101 of each contact wheel, two groups of the contact wheels are in short circuit connection and are connected with the annealing transformer 8 through the second external copper bar 604 and the third external copper bar 605, wherein the short-circuited external copper bar is connected to the negative electrode 802 of the annealing transformer 8 through the contactor 7, so that the switching control of the annealing machine between the three-stage annealing working state and the two-stage annealing working state is completed.

Preferably, the contact wheel assembly further comprises a bearing seat 104, wherein the bearing seat 104 is provided with bakelite insulation seats 105 at two ends, and the bakelite insulation seats 105 are arranged between the contact wheel assembly and the machine frame 5 in a cross welding mode and used for enabling the contact wheel assembly and the machine frame 5 to be arranged in an insulation mode. Specifically, the contact wheel and the frame 5 are installed in an insulated mode through bakelite insulating bases 105 arranged at the front and the back of the two ends of the contact wheel and the frame 5, and the contact wheel and the frame 5 are arranged in an insulated mode.

Preferably, the multifunctional small and medium-sized wire drawing continuous annealing machine further comprises a transmission system 9, the transmission system 9 comprises a driving motor and a belt pulley 106, and the driving motor rotates through the driving belt pulley 106 to drive the contact wheel assembly to rotate. Specifically, the transmission system 9 may be any driving mechanism capable of driving a belt to transmit, preferably a driving motor, and the transmission system 9 drives the belt pulley 106 on the contact wheel to rotate by driving a flat belt to transmit, so as to implement annealing operations of wires with different specifications.

Preferably, the multifunctional small and medium-sized wire drawing continuous annealing machine further comprises an annealing oxidation protection system, the annealing oxidation protection system is arranged between the contact wheel K2 and the contact wheel K3, the annealing oxidation protection system comprises an annealing cavity, and the annealing cavity is provided with a sealing structure and a protective gas access port. Specifically, the annealing chamber of the annealing oxidation protection system 11 is hermetically arranged, and is provided with a sealing structure and a protective gas inlet, and the annealing metal wire is subjected to oxidation protection through steam or nitrogen.

Preferably, the multifunctional small and medium size wire drawing continuous annealing machine further comprises a cooling system 12, wherein the cooling system 12 is arranged between the contact wheel K3 and the contact wheel K4, the cooling system 12 comprises circulating cooling liquid, and the circulating cooling liquid is used for cooling the metal wire to be processed. Specifically, the cooling system 12 cools the annealed wires by the circulating cooling liquid around the annealed wires, and the flow rate of the circulating cooling liquid can be controlled by a valve to achieve different degrees of cooling effect. In addition, the cooling system 12 is also provided with a cooling water inlet channel and a cooling water return channel, and the cooling water liquid level height can be observed through a cooling water liquid level observation window.

Preferably, the multifunctional small and medium-sized wire drawing continuous annealing machine further comprises a drying system 13, the drying system 13 comprises a compressed air inlet adjusting device and a blow-drying mold, and the drying system 13 is used for blocking surface water vapor of the metal wire to be processed. Specifically, the compressed air inlet adjusting device and the blow-drying mold arranged in the drying system 13 can separate the surface water vapor of the metal wire by using a high-pressure cavity generated by compressed air.

Preferably, the multifunctional small and medium-sized wire drawing continuous annealing machine further comprises a plurality of wire passing guide wheels 14 and wire passing frames 15, the wire passing guide wheels 14 adopt an aluminum alloy ceramic spraying process, the wire passing guide wheels 15 are used for winding metal wires, and the wire passing frames 15 are arranged among the contact wheel assemblies. Specifically, through the arrangement of the wire passing guide wheel 14, the lengths of the metal wires to be processed at all sections among the contact wheel assemblies are different, so that the currents of the metal wires to be processed among the contact wheel assemblies are different, the heating temperatures of the metal wires to be processed among the contact wheel assemblies are also different, and the purpose of annealing the metal wires is achieved and the metal wires with different specifications can be adapted to the metal wires by controlling the heating temperatures of the metal wires at all sections. At the same time, wire passing frames 15 are arranged between the respective contact wheel assemblies in order to reduce the effect of the shaking of the wire to be processed on the annealing operation.

Preferably, the multifunctional small and medium-sized wire drawing continuous annealing machine further comprises an operation control box 10, the operation control box 10 is arranged at the top of the frame 5 in a hanging mode, and the operation control box 10 is used for switching the opening state and the closing state of the contactor 7. Specifically, the operation control box 10 capable of horizontally and freely rotating is hung on the top of the frame 5, the operation control box 10 can rotate, and can also rotate along a hanging box support on the top of the frame 5, so that the on-off state of the contactor 7 is controlled, and the switching control of the annealing machine between the three-stage annealing working state and the two-stage annealing working state is realized.

Preferably, the multifunctional small and medium-sized wire drawing continuous annealing machine further comprises a wire breakage detection device 16, the wire breakage detection device 16 is arranged between the contact wheel K1 and the contact wheel K4, the wire breakage detection device 16 comprises a detection rod with conductivity, and the detection rod is electrically connected with the operation control box 10 through a connecting lead. Specifically, the wire breakage detection device 16 is provided with a detection rod with good conductivity, the detection rod is insulated from the rack 5 through the bakelite insulating seat 105, one end of the detection rod is connected with the operation control box 10 through a connecting lead, and when a wire to be processed touches the wire breakage detection rod, the wire breakage detection device 16 drives the main controller through electrical control to realize the shutdown function, so that the electrical potential safety hazard of the annealing machine equipment is prevented.

Therefore, the annealing machine adopting the structure can freely switch the annealing modes so as to adapt to the metal wires with different specifications, thereby achieving the use effect of one machine with multiple purposes, and according to the metal wires with different sizes and specifications, the annealing modes can be switched by different winding modes and connection modes of the annealing transformer, thereby taking account of the annealing process with medium and small specifications, greatly reducing the energy consumption of annealing the metal wires with medium and small specifications, and thoroughly solving the problem that the annealing modes of the traditional metal wire annealing machine can not be switched to adapt to the metal wires with different specifications so as to cause the problem that the diversified requirements of production specifications can not be met.

Of course, the above is a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and refinements can be made without departing from the basic principle of the invention, and these modifications and refinements are also considered to be within the protective scope of the invention.