Tungsten wire shaping device and tungsten wire shaping method
By combining the tungsten wire setting device with winding and heating in a vacuum furnace, the problem of easy damage to tungsten wire during movement is solved, and efficient tungsten wire production and service life are guaranteed.
Patent Information
- Application Number
- CN202211253610.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-10-13
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2042-10-13
AI Technical Summary
In the existing tungsten wire setting method, winding and shaping are operated separately, resulting in the tungsten wire being easily bumped and damaged during movement, affecting its life.
A tungsten wire shaping device is designed, combined with winding and heating shaping in a vacuum furnace, and the automatic winding and shaping of the tungsten wire is achieved by using a support roller and a winding motor to reduce manual operation and movement of the tungsten wire.
It improves the production and service life of tungsten wire, reduces damage to tungsten wire, improves production efficiency, and simplifies the operation process.
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Figure CN116222200B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of tungsten wire shaping, in particular to a tungsten wire shaping device and a tungsten wire shaping method. Background Art
[0002] The filament is the core component of the electric vacuum device, which needs to have a long service life and the characteristics of high temperature and high pressure resistance. The structure of the filament affects its performance, and the formation method directly affects the stability and quality of its structure.
[0003] The commonly used method for filament shaping is to place the pure tungsten cathode assembly in a bell-shaped vacuum furnace, connect the filament to electricity, and evacuate the bell-shaped vacuum furnace. When the vacuum degree is better than 3×103Pa, start connecting the filament power supply and increase the filament current to the rated working current of the filament to achieve the purpose of shaping.
[0004] However, in the prior art, the winding and shaping of the filament are separate operations. After the filament is wound, the filament needs to be moved to a vacuum furnace, which is inconvenient to operate. In addition, during the movement of the filament, the filament is easily bumped or even damaged, which affects the life of the filament.
[0005] The technical problem to be solved by the present invention is: to design a tungsten wire shaping device and a tungsten wire shaping method, to combine the winding of the tungsten wire with heating shaping, to facilitate the winding and shaping operations of the filament, to reduce the bumping and damage of the tungsten wire, and to ensure the production and service life of the filament. Summary of the invention
[0006] In order to solve the above problems, the present invention provides a tungsten wire shaping device and a tungsten wire shaping method.
[0007] The technical solution adopted by the present invention to solve its technical problems is: a tungsten wire shaping device, including a vacuum furnace, wherein a processing table, a winding part and a supporting part are arranged inside the vacuum furnace, the supporting part includes a supporting roller and a first telescopic rod, the winding part includes a winding motor and a second telescopic rod, the winding motor is arranged opposite to the supporting roller, the second telescopic rod is fixedly connected to the output shaft of the winding motor, the second telescopic rod is detachably connected to the supporting roller, the upper surface of the processing table is provided with a first clamping seat, the second telescopic rod is provided with a second clamping seat, the upper side of the processing table is provided with an adjustment groove, and the winding part is slidably connected to the adjustment groove.
[0008] As an optimization, the adjusting slot is horizontally arranged, an adjusting screw and an auxiliary rod are arranged inside the adjusting slot, the adjusting screw and the auxiliary rod are horizontally arranged in parallel, and an unwinding motor is arranged at one end of the adjusting screw.
[0009] As an optimization, a fixed platform is provided on the side of the processing table away from the adjusting slot, the first telescopic rod is fixedly connected to the fixed platform, the first telescopic rod is coaxially arranged with the winding motor, a slide rail is provided between the processing table and the fixed platform, a support frame is slidably connected to the slide rail, and the extended end of the first telescopic rod is fixedly connected to the support frame;
[0010] The first telescopic rod is provided with a first connecting rod at the extended end, a connecting tube is provided inside the first connecting rod, a second connecting rod is provided at the end of the support roller away from the adjustment groove, the second connecting rod is plugged into the connecting tube, the first connecting rod is externally rotated to connect a locking bolt, and the locking bolt contacts the second connecting rod. The connecting tube is a regular polygon tube, and the second connecting rod is correspondingly a regular polygon rod.
[0011] As an optimization, a support seat is provided on the outer shell of the winding motor, and a connecting screw hole and a smooth hole are provided at the lower part of the support seat, the connecting screw hole is cooperatively connected with the adjusting screw rod, and the smooth hole is slidably connected with the auxiliary rod;
[0012] A connecting arm is provided on the output shaft of the winding motor, the second telescopic rod is fixedly connected to the outer end of the connecting arm, the axis of the second telescopic rod is horizontally parallel to the axis of the winding motor, and the length of the connecting arm is greater than the axis radius of the supporting roller.
[0013] As an optimization, a first clamping cavity is provided inside the first clamping seat, a first slot is provided at the upper part of the first clamping cavity, a first heating seat is rotatably connected in the first slot, a first electromagnet is provided on the first heating seat, a first iron block is provided on the first clamping seat, the first electromagnet and the first iron block are arranged correspondingly, a first limiting cavity is arranged opposite to the inner side of the first clamping seat and the inner side of the first heating seat, the first limiting cavity is semi-cylindrical, a locking telescopic rod is connected to the lower part of the first clamping seat, the extended end of the locking telescopic rod passes through the first clamping seat and is arranged in the first limiting cavity, the extended end of the locking telescopic rod is connected to a circular arc-shaped tightening block, and the tightening block is in contact with the tungsten wire;
[0014] The axial direction of the first limiting cavity is perpendicular to the axial direction of the supporting roller.
[0015] As an optimization, a second clamping cavity is provided in the second clamping seat, a second slot is provided on the upper part of the second clamping cavity, a second heating seat is rotatably connected in the second slot, a second limiting cavity is provided on the inner side of the second heating seat opposite to the inner side of the second clamping seat, the second limiting cavity is semi-cylindrical, an accommodating cavity is provided opposite to the inner side of the second clamping seat and the second heating seat, the accommodating cavity is horizontally arranged, a clamping roller is rotatably connected in the accommodating cavity, one end of the clamping roller is connected to a clamping motor, the accommodating cavity is connected to the inside of the second limiting cavity, and the distance between the two clamping rollers is less than the diameter of the tungsten wire;
[0016] The second clamping seat is provided with a second electromagnet, the second clamping seat is provided with a second iron block, and the second electromagnet and the second iron block are arranged opposite to each other.
[0017] A tungsten wire shaping method, comprising any one of the tungsten wire shaping devices described above, comprising the following steps:
[0018] (1) According to the length and diameter of the tungsten wire to be wound, a support roller of appropriate size is selected, the support roller is connected to the first connecting rod at the end of the first telescopic rod, and the support roller is locked by a locking bolt;
[0019] (2) The unwinding motor runs, driving the winding motor to move to the end of the adjustment slot away from the supporting part;
[0020] (3) The first electromagnet is powered off, the telescopic rod is locked and retracted, and one end of the tungsten wire is inserted into the first limit cavity;
[0021] (4) The first electromagnet is energized, the first electromagnet is connected to the first iron block, and the telescopic rod is locked to extend, and the tungsten wire is tightened and fixed by the tightening block;
[0022] (5) The winding motor drives the second telescopic rod to rotate until the first clamping seat and the second clamping seat are in the same vertical plane, and the second telescopic rod is extended until the second clamping seat is located directly above the first clamping seat;
[0023] (6) The second electromagnet is powered off, and the second heating seat is rotated open to allow the tungsten wire to pass through the second limit cavity;
[0024] (7) The second heating seat is rotated, the second electromagnet is energized, the second electromagnet is relatively connected to the second iron block, and the two clamping rollers clamp the tungsten wire;
[0025] (8) Turn off the vacuum furnace, evacuate the vacuum furnace, and then fill the vacuum furnace with hydrogen;
[0026] (9) According to the number of turns and distance required for winding, the clamping motor is operated, so that the clamping roller drives the tungsten wire to move inside the second clamping seat, and the second telescopic rod is gradually shortened. At the same time, the winding motor drives the second telescopic rod to rotate, thereby realizing the winding of the tungsten wire;
[0027] (10) After winding is completed, the unwinding motor is operated to move the winding motor along the adjustment groove toward the supporting part to loosen the tungsten wire, and the second telescopic rod is shortened to make the supporting roller withdraw from the upper side of the processing table;
[0028] (11) The unwinding motor is turned on, causing the winding motor to move along the adjusting groove to the initial position, and the connecting contacts inside the first heating seat and the second heating seat are energized to heat the tungsten wire.
[0029] The beneficial effects of this solution are: a tungsten wire shaping device and a tungsten wire shaping method, which have the following benefits:
[0030] A winding part and a supporting part are arranged inside the vacuum furnace. The supporting part supports the tungsten wire, and the winding part pulls the tungsten wire around the supporting part for winding. The supporting roller is easy to replace, which can facilitate the winding of tungsten wires of different shapes and sizes, with high production efficiency. The winding and heating of the tungsten wire are all carried out in the vacuum furnace, which greatly reduces the movement and disassembly of the tungsten wire, and ensures the efficient production and service life of the tungsten wire.
[0031] An adjustment slot is set on the upper side of the processing table. When the tungsten wire is wound, the unwinding motor drives the tungsten wire to move toward the supporting part, which is convenient for unwinding the tungsten wire and disassembling the supporting roller. It is easy to use and does not require manual disassembly of the tungsten wire.
[0032] One end of the tungsten wire is fixed by the first clamping seat, and the tungsten wire is pulled and wound by the second clamping seat. Two clamping rollers are arranged inside the second clamping seat. The clamping rollers can not only pull the tungsten wire, but also adjust the speed of the clamping rollers, which is convenient for adjusting the winding speed of the tungsten wire and winding tungsten wires of different thicknesses. It is easy to use;
[0033] At the same time, the first clamping seat and the second clamping seat also have the function of connecting the power supply. While clamping the tungsten wire, it is convenient to heat the tungsten wire with electricity, killing two birds with one stone. BRIEF DESCRIPTION OF THE DRAWINGS
[0034] Attached Figure 1 It is an axial schematic diagram of the present invention.
[0035] Attached Figure 2 It is a main schematic diagram of the present invention.
[0036] Attached Figure 3 It is a schematic diagram of the back axial side of the present invention.
[0037] Attached Figure 4 It is a schematic diagram of the axial side of the first clamping seat of the present invention.
[0038] Attached Figure 5 It is a schematic diagram of the cross-section structure of the second clamping seat of the present invention.
[0039] Attached Figure 6 It is a schematic diagram of the internal structure of the first clamping seat of the present invention.
[0040] Attached Figure 7 The present invention is attached Figure 3 Schematic diagram of the enlarged structure of part A.
[0041] Among them, 1. processing table, 2. supporting roller, 3. first telescopic rod, 4. winding motor, 5. second telescopic rod, 6. first clamping seat, 7. second clamping seat, 8. adjusting slot, 9. adjusting screw, 10. fixed table, 11. slide rail, 12. supporting frame, 13. first connecting rod, 14. locking bolt, 15. supporting seat, 16. unwinding motor, 17. connecting arm, 18. first heating seat, 19. first electromagnet, 20. first iron block, 21. locking telescopic rod, 22. tightening block, 23. second heating seat, 24. clamping roller, 25. clamping motor, 26. second electromagnet, 27. second iron block. DETAILED DESCRIPTION
[0042] In order to make the purpose, 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 in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0043] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0044] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0045] like Figure 1 , 3As shown, a tungsten wire shaping device and a tungsten wire shaping method include a vacuum furnace, wherein a processing table 1, a winding part and a supporting part are arranged inside the vacuum furnace, wherein the supporting part includes a supporting roller 2 and a first telescopic rod 3, wherein the winding part includes a winding motor 4 and a second telescopic rod 5, wherein the winding motor 4 is arranged opposite to the supporting roller 2, the second telescopic rod 5 is fixedly connected to the output shaft of the winding motor 4, and the second telescopic rod 5 is detachably connected to the supporting roller 2, a first clamping seat 6 is arranged on the upper surface of the processing table 1, a second clamping seat 7 is arranged on the second telescopic rod 5, an adjusting groove 8 is arranged on the upper side of the processing table 1, and the winding part is slidably connected to the adjusting groove 8.
[0046] like Figure 1 As shown, the adjusting slot 8 is horizontally arranged, an adjusting screw 9 and an auxiliary rod are arranged inside the adjusting slot 8, the adjusting screw 9 and the auxiliary rod are horizontally arranged in parallel, and an unwinding motor 16 is arranged at one end of the adjusting screw 9.
[0047] like Figure 1 As shown, a fixed platform 10 is provided on the side of the processing platform away from the adjusting slot 8, the first telescopic rod 3 is fixedly connected to the fixed platform 10, the first telescopic rod 3 is coaxially arranged with the winding motor 4, a slide rail 11 is provided between the processing platform and the fixed platform 10, a support frame 12 is slidably connected to the slide rail 11, and the extended end of the first telescopic rod 3 is fixedly connected to the support frame 12;
[0048] like Figure 1 As shown, the first telescopic rod 3 is provided with a first connecting rod 13 at the extended end, a connecting tube is provided inside the first connecting rod 13, a second connecting rod is provided at the end of the support roller 2 away from the adjustment slot 8, the second connecting rod is plugged into the connecting tube, the first connecting rod 13 is externally rotated to connect the locking bolt 14, and the locking bolt 14 contacts the second connecting rod. The connecting tube is a regular polygon tube, and the second connecting rod is a corresponding regular polygon rod.
[0049] like Figure 1 As shown, a support seat 15 is provided on the shell of the winding motor 4, and a connecting screw hole and a smooth hole are provided at the lower part of the support seat 15. The connecting screw hole is matched and connected with the adjusting screw 9, and the smooth hole is slidably connected with the auxiliary rod;
[0050] like Figures 1 to 3 As shown, a connecting arm 17 is provided on the output shaft of the winding motor 4, the second telescopic rod 5 is fixedly connected to the outer end of the connecting arm 17, the axis of the second telescopic rod 5 is horizontally parallel to the axis of the winding motor 4, and the length of the connecting arm 17 is greater than the axis radius of the supporting roller 2.
[0051] like Figure 4 , 6As shown, the first clamping seat 6 is provided with a first clamping cavity inside, the upper part of the first clamping cavity is provided with a first slot, a first heating seat 18 is rotatably connected in the first slot, a first electromagnet 19 is provided on the first heating seat 18, a first iron block 20 is provided on the first clamping seat 6, the first electromagnet 19 is arranged corresponding to the first iron block 20, a first limiting cavity is arranged opposite to the inner side of the first clamping seat 6 and the inner side of the first heating seat 18, the first limiting cavity is semi-cylindrical, a locking telescopic rod 21 is connected to the lower part of the first clamping seat 6, the extended end of the locking telescopic rod 21 passes through the first clamping seat 6 and is arranged in the first limiting cavity, the extended end of the locking telescopic rod 21 is connected to a circular arc-shaped tightening block 22, and the tightening block 22 is in contact with the tungsten wire;
[0052] The axial direction of the first limiting cavity is perpendicular to the axial direction of the supporting roller 2 .
[0053] like Figure 5 , 7 As shown, the second clamping seat 7 is provided with a second clamping cavity, the upper part of the second clamping cavity is provided with a second slot, a second heating seat 23 is rotatably connected in the second slot, a second limiting cavity is provided on the inner side of the second heating seat 23 and opposite to the inner side of the second clamping seat 7, the second limiting cavity is semi-cylindrical, the inside of the second clamping seat 7 and the inside of the second heating seat 23 are provided with accommodating cavities opposite to each other, the accommodating cavities are arranged horizontally, a clamping roller 24 is rotatably connected in the accommodating cavity, one end of the clamping roller 24 is connected to a clamping motor 25, the accommodating cavity is connected to the inside of the second limiting cavity, and the distance between the two clamping rollers 24 is less than the diameter of the tungsten wire;
[0054] like Figure 7 As shown, a second electromagnet 26 is disposed on the second clamping seat 7 , and a second iron block 27 is disposed on the second clamping seat 7 . The second electromagnet 26 and the second iron block 27 are arranged opposite to each other.
[0055] The present solution also includes a controller, the position of which is set by the staff according to actual conditions during operation. The controller is used to control the electrical devices used in the present solution, including but not limited to sensors, motors, telescopic rods, water pumps, solenoid valves, heating wires, heat pumps, display screens, computer input devices, switch buttons, communication equipment, lights, speakers and microphones; the controller is an Intel processor, an AMD processor, a PLC controller, an ARM processor or a single-chip microcomputer, and the supporting motherboard, memory stick, storage medium and power supply are also included therewith, and the power supply is AC or a lithium battery; when a display screen is provided, a display card is also provided; for the operating principle of the controller, please refer to "Principles of Automatic Control", "Principles of Microcontrollers and Application Simulation Cases" and "Principles and Applications of Sensors" published by Tsinghua University Press, and other books in the field can be used for reference; other automatic controls and electrical devices not mentioned are all knowledge well known to those skilled in the art and will not be repeated here.
[0056] A tungsten wire shaping method, comprising any one of the tungsten wire shaping devices described above, comprising the following steps:
[0057] (1) According to the length and diameter of the tungsten wire to be wound, a support roller 2 of appropriate size is selected, the support roller 2 is connected to the first connecting rod 13 at the end of the first telescopic rod 3, and the support roller 2 is locked by the locking bolt 14;
[0058] (2) The unwinding motor 16 runs, driving the winding motor 4 to move to the end of the adjustment slot 8 away from the supporting part;
[0059] (3) The first electromagnet 19 is powered off, the locking telescopic rod 21 is retracted, and one end of the tungsten wire is inserted into the first limit cavity;
[0060] (4) The first electromagnet 19 is energized, the first electromagnet 19 is connected to the first iron block 20, and the telescopic rod 21 is locked to extend, and the tungsten wire is tightened and fixed by the tightening block 22;
[0061] (5) The winding motor 4 drives the second telescopic rod 5 to rotate until the first clamping seat 6 and the second clamping seat 7 are in the same vertical plane, and the second telescopic rod 5 is extended until the second clamping seat 7 is located directly above the first clamping seat 6;
[0062] (6) The second electromagnet 26 is powered off, and the second heating seat 23 is rotated open to allow the tungsten wire to pass through the second limiting cavity;
[0063] (7) The second heating seat 23 is rotated, the second electromagnet 26 is energized, the second electromagnet 26 is connected to the second iron block 27, and the two clamping rollers 24 clamp the tungsten wire;
[0064] (8) Turn off the vacuum furnace, evacuate the vacuum furnace, and then fill the vacuum furnace with hydrogen;
[0065] (9) According to the number of turns and distance required for winding, the clamping motor 25 is operated, so that the clamping roller 24 drives the tungsten wire to move inside the second clamping seat 7, and the second telescopic rod 5 is gradually shortened. At the same time, the winding motor 4 drives the second telescopic rod 5 to rotate, thereby realizing the winding of the tungsten wire;
[0066] (10) After winding is completed, the unwinding motor 16 is operated to move the winding motor 4 along the adjustment slot 8 toward the supporting portion to loosen the tungsten wire, and the second telescopic rod 5 is shortened to allow the supporting roller 2 to withdraw from the upper side of the processing table 1;
[0067] (11) The unwinding motor 16 is turned on, causing the winding motor 4 to move along the adjusting groove 8 to the initial position. The connecting contacts inside the first heating seat 18 and the second heating seat 23 are energized to heat the tungsten wire.
[0068] The above-mentioned specific implementation is only a specific case of the present invention. The patent protection scope of the present invention includes but is not limited to the product form and style of the above-mentioned specific implementation. Any tungsten wire shaping device and tungsten wire shaping method that conforms to the claims of the present invention and any appropriate changes or modifications made thereto by ordinary technicians in the relevant technical field shall fall within the patent protection scope of the present invention.
Claims
1. A tungsten wire shaping device, comprising a vacuum furnace, characterized in that: A processing table, a winding part and a supporting part are provided inside the vacuum furnace, the supporting part includes a supporting roller and a first telescopic rod, the winding part includes a winding motor and a second telescopic rod, the winding motor is arranged opposite to the supporting roller, the second telescopic rod is fixedly connected to the output shaft of the winding motor, the second telescopic rod is detachably connected to the supporting roller, a first clamping seat is provided on the upper surface of the processing table, a second clamping seat is provided on the second telescopic rod, an adjusting slot is provided on the upper side of the processing table, and the winding part is slidably connected to the adjusting slot; The adjusting slot is horizontally arranged, an adjusting screw and an auxiliary rod are arranged inside the adjusting slot, the adjusting screw and the auxiliary rod are arranged horizontally and in parallel, and an unwinding motor is arranged at one end of the adjusting screw; A first clamping cavity is provided inside the first clamping seat, a first slot is provided at the upper part of the first clamping cavity, a first heating seat is rotatably connected in the first slot, a first electromagnet is provided on the first heating seat, a first iron block is provided on the first clamping seat, the first electromagnet and the first iron block are arranged correspondingly, a first limiting cavity is arranged opposite to the inner side of the first clamping seat and the inner side of the first heating seat, the first limiting cavity is semi-cylindrical, a locking telescopic rod is connected to the lower part of the first clamping seat, the extended end of the locking telescopic rod passes through the first clamping seat and is arranged in the first limiting cavity, the extended end of the locking telescopic rod is connected to a circular arc-shaped tightening block, and the tightening block is in contact with the tungsten wire; The axial direction of the first limiting cavity is perpendicular to the axial direction of the supporting roller; The second clamping seat is provided with a second clamping cavity, the upper part of the second clamping cavity is provided with a second slot, a second heating seat is rotatably connected in the second slot, a second limiting cavity is provided on the inner side of the second heating seat opposite to the inner side of the second clamping seat, the second limiting cavity is semi-cylindrical, an accommodating cavity is provided opposite to the inner side of the second clamping seat and the second heating seat, the accommodating cavity is horizontally arranged, a clamping roller is rotatably connected in the accommodating cavity, one end of the clamping roller is connected to a clamping motor, the accommodating cavity is connected to the inside of the second limiting cavity, and the distance between the two clamping rollers is less than the diameter of the tungsten wire; The second clamping seat is provided with a second electromagnet, the second clamping seat is provided with a second iron block, and the second electromagnet and the second iron block are arranged opposite to each other.
2. A tungsten wire shaping device according to claim 1, characterized in that: A fixed platform is provided on the side of the processing platform away from the adjusting slot, the first telescopic rod is fixedly connected to the fixed platform, the first telescopic rod is coaxially arranged with the winding motor, a slide rail is provided between the processing platform and the fixed platform, a support frame is slidably connected to the slide rail, and the extended end of the first telescopic rod is fixedly connected to the support frame; A first connecting rod is provided at the extended end of the first telescopic rod, a connecting tube is provided inside the first connecting rod, a second connecting rod is provided at the end of the support roller away from the adjusting groove, the second connecting rod is plugged into the connecting tube, the first connecting rod is externally rotated to connect with a locking bolt, and the locking bolt contacts the second connecting rod; the connecting tube is a regular polygon tube, and the second connecting rod is correspondingly a regular polygon rod.
3. A tungsten wire shaping device according to claim 2, characterized in that: A support seat is provided on the shell of the winding motor, and a connecting screw hole and a smooth hole are provided at the lower part of the support seat, the connecting screw hole is matched and connected with the adjusting screw rod, and the smooth hole is slidably connected with the auxiliary rod; A connecting arm is provided on the output shaft of the winding motor, the second telescopic rod is fixedly connected to the outer end of the connecting arm, the axis of the second telescopic rod is horizontally parallel to the axis of the winding motor, and the length of the connecting arm is greater than the axis radius of the supporting roller.
4. A tungsten wire shaping method, comprising the tungsten wire shaping device according to claim 3, characterized in that: The steps include: (1) According to the length and diameter of the tungsten wire to be wound, a support roller of appropriate size is selected, the support roller is connected to the first connecting rod at the end of the first telescopic rod, and the support roller is locked by a locking bolt; (2) The unwinding motor runs, driving the winding motor to move to the end of the adjustment slot away from the supporting part; (3) The first electromagnet is powered off, the telescopic rod is locked and retracted, and one end of the tungsten wire is inserted into the first limit cavity; (4) The first electromagnet is energized, the first electromagnet is connected to the first iron block, and the telescopic rod is locked to extend, and the tungsten wire is tightened and fixed by the tightening block; (5) The winding motor drives the second telescopic rod to rotate until the first clamping seat and the second clamping seat are in the same vertical plane, and the second telescopic rod is extended until the second clamping seat is located directly above the first clamping seat; (6) The second electromagnet is powered off, and the second heating seat is rotated open to allow the tungsten wire to pass through the second limit cavity; (7) The second heating seat is rotated, the second electromagnet is energized, the second electromagnet is relatively connected to the second iron block, and the two clamping rollers clamp the tungsten wire; (8) Turn off the vacuum furnace, evacuate the vacuum furnace, and then fill the vacuum furnace with hydrogen; (9) According to the number of turns and distance required for winding, the clamping motor is operated, so that the clamping roller drives the tungsten wire to move inside the second clamping seat, and the second telescopic rod is gradually shortened. At the same time, the winding motor drives the second telescopic rod to rotate, thereby realizing the winding of the tungsten wire; (10) After winding is completed, the unwinding motor is operated to move the winding motor along the adjustment groove toward the supporting part to loosen the tungsten wire, and the second telescopic rod is shortened to make the supporting roller withdraw from the upper side of the processing table; (11) The unwinding motor is turned on, causing the winding motor to move along the adjusting groove to the initial position, and the connecting contacts inside the first heating seat and the second heating seat are energized to heat the tungsten wire.
Citation Information
Cited By
Tungsten filament heat treatment, winding and shaping device for lamp manufacturing
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