Efficient rod-shaped drawn wire manufacturing device and drawn wire process

Abstract

The invention belongs to the field of glass fiber stretching, and particularly relates to a high-efficiency rod-shaped wire drawing manufacturing device and a wire drawing process, and the device comprises a heating device, a rod feeding device, a public heating area, a single rod heating area, a glass rod and a winding roller, the public heating area and the single-rod heating areas are sequentially arranged in the heating device from top to bottom, the glass rods are arranged in the heating device, the lower ends of the glass rods are arranged in the different single-rod heating areas respectively, the winding roller is arranged on the lower portion of the heating device, and the winding roller is arranged on the upper portion of the heating device. A wire formed by melting the glass rod is wound on the winding roller, the rod feeding device is fixedly connected to the top of the heating device, and the glass rod enters the heating device through the rod feeding device. According to the device, glass rods can be conveyed through the rod feeding device, and the glass rods are conveyed into the heating device to be heated, melted and drawn.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of glass fiber drawing, in particular to a high-efficiency rod-shaped drawing manufacturing device and drawing process. BACKGROUND

[0002] The glass drawing process is a process of forming an extremely fine wire by heating and melting the glass rod-shaped raw material through high temperature and then drawing it. It is widely used in the manufacturing fields of optical fibers, glass fiber cloth, composite materials, etc.

[0003] In the existing rod-shaped drawing manufacturing process, the glass rod is usually sent into the heating zone from top to bottom by using a vertical heating furnace. However, the existing drawing manufacturing device still has the following problems in actual application: The heating temperature control precision is insufficient, and the product consistency is poor. The traditional heating device often uses a single heating cavity structure. When multiple glass rods are drawn at the same time, the heating is often uneven due to the position difference of each rod in the furnace. In addition, the glass rod enters the high-temperature zone from room temperature, and if there is no reasonable preheating transition, it is easy to cause the rod to burst or the molten state to be unstable due to thermal shock, thereby causing the drawn wire diameter to be uneven, the wire breakage rate to be high, and the product quality to be seriously affected.

[0004] In the continuous production process, the glass rod needs to be continuously replenished as the drawing is consumed. The existing feeding mechanism (rod continuation device) structure is relatively simple, usually relying only on gravity or simple roller friction feeding. On the one hand, the clamping force is not stable enough, which can easily cause the glass rod to slip or shake during feeding, affecting the concentricity of the wire; on the other hand, the existing clamping mechanism is difficult to adapt to the slight change of the diameter of the glass rod, or the operation is complicated when connecting the rod, often requiring shutdown or significantly reducing the speed for manual intervention, greatly reducing the production efficiency.

[0005] Therefore, in order to solve the above-mentioned problems, a high-efficiency rod-shaped drawing manufacturing device and drawing process are proposed. SUMMARY

[0006] The present application is designed to solve the above-mentioned problems, and a high-efficiency rod-shaped drawing manufacturing device and drawing process are designed. The device can transport the glass rod through the rod continuation device and convey the glass rod to the heating device for heating, melting, and drawing.

[0007] In order to achieve the above object, the application provides a high-efficiency rod-shaped wire drawing manufacturing device, which comprises a heating device, a rod continuation device, a common heating area, a single rod heating area, glass rods and a winding roller, the inside of the heating device is sequentially provided from top to bottom with the common heating area and a plurality of single rod heating areas, the glass rods are arranged in the inside of the heating device, and the lower ends of the glass rods are respectively arranged in different single rod heating areas, the winding roller is arranged at the lower part of the heating device, the wire formed after the glass rods are melted is wound on the winding roller, the rod continuation device is fixedly connected to the top of the heating device, and the glass rods pass through the rod continuation device and enter the heating device.

[0008] Further, the rod continuation device comprises a support, a conveying part, a clamping part and a supporting part, the conveying part is fixedly connected to the side of the clamping part, the glass rods are clamped and arranged between the clamping part and the conveying part and are slidable, the supporting part is slidably connected to the clamping part, and the conveying part and the clamping part are fixedly connected to the top of the heating device through the support.

[0009] Further, the clamping part comprises a supporting part, a clamping plate, a screw rod and a butterfly nut, the screw rod is fixedly connected to the rear part of the clamping plate, the rear end of the screw rod penetrates through the supporting part and is slidably connected to the supporting part, the end is connected to the butterfly nut, the clamping plate is slidably connected to the supporting part, and the front end is provided with an arc surface and is attached to the side surface of the glass rod.

[0010] Further, the conveying part comprises a driving wheel, a driven wheel, a belt wheel, a synchronous belt and a supporting rod, the driving wheel and the driven wheel are rotationally connected to the support from top to bottom, the side parts of the driving wheel and the driven wheel are provided with the belt wheels, the synchronous belt is arranged between the belt wheels, the driven wheel and the driving wheel are attached to the side part of the glass rod, and the supporting rod is arranged between the driven wheel, the driving wheel and the clamping part.

[0011] Further, the supporting part comprises a supporting block, a sliding rod, a sliding slot, a column, an elastic member and a stepped surface, the supporting block has a trapezoidal structure and is provided with a stepped surface on the side of the inclined surface, the column is fixedly arranged on the side of the inner wall of the clamping part, the upper and lower sides of the column are fixedly connected with the sliding rods, the sliding slot is arranged on the supporting block, the supporting block is slidably connected with the sliding rod through the sliding slot, the elastic member is arranged on the sliding rod, and the two ends of the elastic member are fixedly connected with the supporting block and the column, and the clamping plate on the clamping part is in abutting connection with the stepped surface.

[0012] Further, the clamping part further comprises an auxiliary heating plate, a mounting plate, a limiting plate, a fastening bolt and a positioning groove, the mounting plate is fixedly connected to the side of the auxiliary heating plate, the positioning groove is formed in the mounting plate, the limiting plate is fixedly connected to the side of the supporting part, and the fastening bolt is fixedly connected to the supporting part, and the mounting plate is slidably connected to the fastening bolt through the positioning groove and located between the limiting plates.

[0013] Further, the common heating area comprises a preheating buffer area, a common preheating area and a common temperature rising area, and the preheating buffer area, the common preheating area and the common temperature rising area are sequentially arranged from top to bottom at the top of the heating device.

[0014] Further, the single-rod heating area comprises a single-rod temperature rising area, a single-rod temperature uniform area, a single-rod contraction area and a single-rod stretching area, and the single-rod temperature rising area, the single-rod temperature uniform area, the single-rod contraction area and the single-rod stretching area are sequentially arranged below the common temperature rising area.

[0015] Further, the heating device comprises a protective cover, a refractory lining, a sealing layer, a protective layer, a heat preservation layer and a heat insulation layer, and the walls of the preheating buffer area, the common preheating area, the common temperature rising area and the single-rod temperature rising area are sequentially provided with the refractory lining, the sealing layer, the protective layer, the heat preservation layer and the protective cover from inside to outside, and the walls of the single-rod temperature uniform area, the single-rod contraction area and the single-rod stretching area are sequentially provided with the refractory lining and the heat preservation layer.

[0016] The application also discloses a high-efficiency rod-shaped wire drawing process, which comprises the following steps. Step one: the glass rod first enters the preheating buffer area, and the temperature is slowly increased in the area; Step two: the glass rod enters the lower common preheating area and common temperature rising area again, and formal preheating and temperature rising are performed; Step three: the glass rod enters the lower single-rod heating area from the common heating area; Step four: after the glass rod enters the single-rod heating area, the glass rod sequentially passes through the single-rod temperature rising area, the single-rod temperature uniform area, the single-rod contraction area and the single-rod stretching area; Step five: the glass rod is drawn in the single-rod stretching area and is output through a winding roller.

[0017] In summary, the high-efficiency rod-shaped wire drawing manufacturing device and the wire drawing process have the following advantages and beneficial technical effects: 1. The common area heating part can preheat all the glass rods, gradually increase the temperature, and make the glass rods stably melt and draw wires, and when high-temperature drawing is performed, the glass rods are in a single heating area, can be heated more uniformly, and can be drawn more continuously. 2. The application can effectively continuously convey the glass rod through the conveying device, effectively clamp the glass rod, generate instantaneous high temperature through the auxiliary heating plate, simply adhere the glass rod, and realize effective rod continuation effect; 3. The application can continuously draw the glass rod through the layered heating and rod continuation device, does not produce edge and corner materials, and can realize more perfect utilization of the materials. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings, in which: Figure 1 is a heating device structure schematic view of a high-efficiency rod-shaped wire drawing manufacturing device of the present application; Figure 2 is a structure schematic view of the heating device and the rod continuation device in the high-efficiency rod-shaped wire drawing manufacturing device of the present application; Figure 3 is a structure schematic view of the rod continuation device of the high-efficiency rod-shaped wire drawing manufacturing device of the present application; Figure 4 is a structure schematic view of the backing part of the high-efficiency rod-shaped wire drawing manufacturing device of the present application; Figure 5 is an enlarged view of A in the present application; Figure 1 Figure 6 is a top view of the clamping plate and the driving wheel of the present application; Figure 7 is a schematic view of the position relationship between the support block and the clamping plate of the present application.

[0019] The reference signs in the drawings are as follows: 1 - heating device; 11 - protective cover; 12 - refractory backing; 13 - sealing layer; 14 - protective layer; 15 - heat preservation layer; 16 - heat insulation layer; 2 - rod continuation device; 21 - support; 22 - conveying part; 221 - driving wheel; 222 - driven wheel; 223 - pulley; 224 - synchronous belt; 225 - support rod; 23 - clamping part; 231 - support part; 232 - clamping plate; 233 - screw rod; 234 - butterfly nut; 235 - auxiliary heating plate; 236 - mounting plate; 237 - limiting plate; 238 - fastening bolt; 239 - positioning groove; 24 - backing part; 241 - support block; 242 - sliding rod; 243 - sliding groove; 244 - column body; 245 - elastic member; 246 - stepped surface; 3 - common heating zone; 31 - preheating buffer zone; 32 - common preheating zone; 33 - common temperature rising zone; ​4 - single rod heating zone; 41 - single rod heating-up zone; 42 - single rod temperature uniformity zone; 43 - single rod contraction zone; 44 - single rod stretching zone; 5 - glass rod; 6 - winding roller. DETAILED DESCRIPTION

[0020] For the purpose of implementing the present application, the technical solutions and advantages will be clearer, the technical solutions in the embodiments of the present application will be described in more detail below in combination with the drawings of the embodiments of the present application. In the drawings, the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout; the described embodiments are part of the embodiments of the present application, not all of the embodiments; the embodiments described below and the directional words are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. The parts and devices use conventional models in the prior art, and the circuit connection uses conventional connection mode in the prior art, which will not be described in detail here. The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The embodiments of the present application will be described in detail below in combination with the drawings: As shown in Figure 1 and Figure 2 , comprising: a heating device 1, a rod continuation device 2, a common heating zone 3, a single rod heating zone 4, a glass rod 5 and a winding roller 6, the inside of the heating device 1 is sequentially provided with the common heating zone 3 and a plurality of single rod heating zones 4 from top to bottom, the glass rod 5 is placed in the inside of the heating device 1, and the lower end of each glass rod 5 is placed in a different single rod heating zone 4, respectively, the winding roller 6 is arranged at the lower part of the heating device 1, the wire formed after the glass rod 5 is melted is wound on the winding roller 6, the rod continuation device 2 is fixedly connected to the top of the heating device 1, and the glass rod 5 enters the heating device 1 through the rod continuation device 2.

[0021] As shown in Figure 2 , Figure 3 and Figure 4 , the rod continuation device 2 comprises a support 21, a conveying part 22, a clamping part 23 and a supporting part 24, the conveying part 22 is fixedly connected to the side of the clamping part 23, the glass rod 5 is clamped and arranged between the clamping part 23 and the conveying part 22 and is slidable, the supporting part 24 is slidably connected to the clamping part 23, and the conveying part 22 and the clamping part 23 are fixedly connected to the top of the heating device 1 through the support 21.

[0022] As shown in Figure 2 , Figure 3 and Figure 4As shown, the clamping part 23 comprises a support part 231, a clamping plate 232, a screw rod 233 and a wing nut 234, one end of the screw rod 233 is fixedly connected to the rear part of the clamping plate 232 by welding, the rear end of the screw rod 233 penetrates through the support part 231 and is slidably connected with the support part 231, this end is connected with the wing nut 234, by rotating the wing nut 234, the screw rod 233 can be driven to rotate, the screw rod 233 drives the clamping plate 232 to slide, which realizes that the clamping plate 232 is slidably connected in the support part 231, and the front end is provided with an arc surface which is in close contact with the side surface of the glass rod 5.

[0023] As shown in Figure 2 , Figure 3 , Figure 4 and Figure 6 , the conveying part 22 comprises a driving wheel 221, a driven wheel 222, a belt wheel 223, a synchronous belt 224 and a support rod 225, the driving wheel 221 and the driven wheel 222 are sequentially rotatably connected on the bracket 21 from top to bottom, and the side parts of the driving wheel 221 and the driven wheel 222 are provided with the belt wheels 223 which can rotate with the belt wheels 223, the synchronous belt 224 is arranged between the belt wheels 223, the other side of the bracket 21 is fixedly connected with a motor, the driving wheel 221 is driven by clicking, the top of the heating device 1 is provided with one rod feeding device 2 at each feeding port, the driving wheels between the rod feeding devices 2 are connected through a rotating shaft, the motor synchronously drives several driving wheels 221 through the rotating shaft, the lower part of each driving wheel 221 is connected with the driven wheel 222 through the synchronous belt 224 and the belt wheel 223, the driven wheel 222 and the driving wheel 221 are arranged in close contact with the side part of the glass rod 5, the support rod 225 is arranged between the driven wheel 222 and the driving wheel 221 and the clamping part 23, and the support rod 225 can keep the relative distance between the conveying part 22 and the clamping part 23.

[0024] As shown in Figure 2 , Figure 3 , Figure 4 and Figure 7As shown, the support part 24 includes: a support block 241, a slide rod 242, a slide groove 243, a column 244, an elastic member 245, and a stepped surface 246. The support block 241 has a trapezoidal structure and a stepped surface 246 is provided on one of its inclined sides. Several stepped structures are provided on the stepped surface 246. The column 244 is fixedly installed on the side of the inner wall of the clamping part 23 by welding. The slide rod 242 is integrally formed and fixedly connected to both the upper and lower sides of the column 244. A slide groove 243 is provided on the inner side of the support block 241. The support block 241 is slidably connected to the slide rod 242 through the slide groove 243. An elastic member 245 is provided on the slide rod 242. The two ends of the elastic member 245 are fixedly connected to the support block 241 and the column 244 by welding, respectively. The elastic member 245 is a spring. The clamping plate 232 on the clamping part 23 is in step contact with the stepped surface 246. After the clamping plate 232 is adjusted, in order to maintain a better clamping effect and prevent uneven loading, support blocks 241 are used to support the upper and lower sides of the clamping plate. The position of the support blocks 241 can be adjusted. Pulling the support blocks 241 causes the stepped surface 246 of the appropriate height to clamp the side of the clamping plate 232. At the same time, the bottom surface is also supported by the stepped structure. This device can clamp glass rods 5 of different specifications and sizes at each feed port, so the position of the support blocks 241 can be adjusted independently.

[0025] like Figure 2 , Figure 3 and Figure 4 As shown, the clamping part 23 also includes: an auxiliary heating plate 235, a mounting plate 236, a limiting plate 237, fastening bolts 238, and a positioning groove 239. The mounting plate 236 is fixedly connected to the side of the auxiliary heating plate 235, and the positioning groove 239 is provided on the mounting plate 236. The limiting plate 237 is fixedly connected to the side of the support part 231, and the fastening bolts 238 are fixedly connected to the support part 231. The mounting plate 236 is slidably connected to the fastening bolts 238 through the positioning groove 239 and is located between the limiting plates 237. The auxiliary heating plate 235 can adjust its position according to the size of the glass rod 5, and is provided with a heating wire for heat conduction. Through instantaneous heating, the temperature at the connection point is raised. The lower glass rod 5 itself has a certain temperature. After the temperature is raised, it forms a certain adhesive connection with the upper continuation rod. Through the subsequent pushing action of the upper continuation rod, the lower glass rod 5 continues to move downward.

[0026] like Figure 1 and Figure 5 As shown, the common heating zone 3 includes a preheating buffer zone 31, a common preheating zone 32, and a common heating zone 33, which are arranged sequentially from top to bottom on the top of the heating device 1.

[0027] like Figure 1 and Figure 5As shown, the single-rod heating zone 4 includes: a single-rod heating zone 41, a single-rod uniform heating zone 42, a single-rod contraction zone 43, and a single-rod stretching zone 44, which are sequentially arranged below the common heating zone 33. The heating device 1 includes: a protective cover 11, a refractory substrate 12, a sealing layer 13, a protective layer 14, a heat insulation layer 15, and a heat insulation layer 16. The walls of the preheating buffer zone 31, the common preheating zone 32, the common heating zone 33, and the single-rod heating zone 41 are sequentially provided with the refractory substrate 12, the sealing layer 13, the protective layer 14, the heat insulation layer 15, and the protective cover 11 from the inside out. The walls of the single-rod uniform heating zone 42, the single-rod contraction zone 43, and the single-rod stretching zone 44 are sequentially provided with the refractory substrate 12 and the heat insulation layer 15. A heat insulation layer 16 is provided between the walls of each adjacent unit of the single-rod heating zone 4. The heating method for the common preheating zone 32, the common heating zone 33 and the single rod heating zone 41 is flame heating, while the heating method for the single rod uniform heating zone 42, the single rod contraction zone 43 and the single rod stretching zone 44 is electric heating tube heating.

[0028] This application also discloses a high-efficiency rod-shaped wire drawing process, including the following steps: Step 1: The glass rod 5 first enters the preheating buffer zone 31, where the temperature is slowly increased. Step 2: Re-enter the lower common preheating zone 32 and common heating zone 33 for formal preheating and temperature increase; Step 3: Glass rods 5 enter the individual rod heating zones 4 below from the common heating zone 3; Step 4: After the glass rod 5 enters the single rod heating zone 4, it passes through the single rod heating zone 41, the single rod uniform heating zone 42, the single rod shrinkage zone 43 and the single rod stretching zone 44 in sequence. Step 5: The glass rod is drawn into a wire in the single rod stretching zone 44 and output through the winding roller 6.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-efficiency rod-like wire drawing manufacturing apparatus characterized by comprising: The utility model relates to a glass rod continuous heating device, including: Heating device (1), continue stick device (2), public heating area (3), single stick heating area (4), glass rod (5) and winding roller (6), the inside of heating device (1) is sequentially provided with public heating area (3) and a plurality of single stick heating area (4) from top to bottom, glass rod (5) is placed in the inside of heating device (1), and the lower end of each glass rod (5) is placed in different single stick heating area (4) respectively, winding roller (6) is set up in the lower part of heating device (1), the silk thread formed after glass rod (5) melts is wound on winding roller (6), continue stick device (2) is fixedly connected at the top of heating device (1), glass rod (5) enters heating device (1) through continue stick device (2).

2. A high efficiency rod-like wire drawing manufacturing device according to claim 1, characterized in that, The utility model relates to a glass rod continuous heating device, including:

3. The high efficiency rod-like wire drawing manufacturing apparatus according to claim 2, wherein The clamping portion (23) includes support portion (231), clamping plate (232), screw rod (233) and butterfly nut (234), the screw rod (233) is fixedly connected at the rear portion of clamping plate (232), the rear end of screw rod (233) passes through support portion (231) and is slidably connected with support portion (231), this end is connected with butterfly nut (234), clamping plate (232) is slidably connected in support portion (231), and the front end is provided with arc surface and is attached to the side surface of glass rod (5).

4. The high efficiency rod-like wire drawing manufacturing apparatus according to claim 2, wherein The utility model relates to a glass rod continuous heating device, including: The utility model relates to a glass rod continuous heating device, including: The utility model relates to a glass rod continuous heating device, including: The utility model relates to a glass rod continuous heating device, including:

5. The high efficiency rod-like wire drawing manufacturing apparatus according to claim 2, wherein The supporting part (24) comprises a supporting block (241), a sliding rod (242), a sliding groove (243), a column (244), an elastic element (245) and a stepped surface (246), the supporting block (241) is in a trapezoidal structure and has the stepped surface (246) arranged on one side of the inclined surface, the column (244) is fixedly arranged on the side of the inner wall of the clamping part (23), the upper and lower sides of the column (244) are fixedly connected with the sliding rod (242), the sliding groove (243) is arranged on the supporting block (241), the supporting block (241) is slidably connected with the sliding rod (242) through the sliding groove (243), the elastic element (245) is arranged on the sliding rod (242), and the two ends of the elastic element (245) are fixedly connected with the supporting block (241) and the column (244), respectively, and the clamping plate (232) on the clamping part (23) is in abutting connection with the stepped surface (246).

6. The high efficiency rod-like wire drawing manufacturing apparatus according to claim 3, wherein The clamping part (23) further comprises an auxiliary heating plate (235), a mounting plate (236), a limiting plate (237), a fastening bolt (238) and a positioning groove (239), the side of the auxiliary heating plate (235) is fixedly connected with the mounting plate (236), the mounting plate (236) is provided with the positioning groove (239), the side of the supporting part (231) is fixedly connected with the limiting plate (237), the fastening bolt (238) is fixedly connected to the supporting part (231), and the mounting plate (236) is slidably connected to the fastening bolt (238) through the positioning groove (239) and located between the limiting plates (237).

7. The high efficiency rod-like wire drawing manufacturing apparatus according to claim 1, wherein The common heating area (3) comprises a preheating buffer area (31), a common preheating area (32) and a common temperature rising area (33), and the preheating buffer area (31), the common preheating area (32) and the common temperature rising area (33) are sequentially arranged from top to bottom on the top of the heating device (1).

8. The high efficiency rod-like wire drawing manufacturing apparatus according to claim 7, wherein The single-rod heating area (4) comprises a single-rod temperature rising area (41), a single-rod uniform heating area (42), a single-rod contraction area (43) and a single-rod stretching area (44), and the single-rod temperature rising area (41), the single-rod uniform heating area (42), the single-rod contraction area (43) and the single-rod stretching area (44) are sequentially arranged below the common temperature rising area (33).

9. The high efficiency rod-like wire drawing manufacturing apparatus according to claim 8, wherein The heating device (1) comprises a protective cover (11), a refractory lining (12), a sealing layer (13), a protective layer (14), a heat preservation layer (15) and a heat insulation layer (16), the walls of the preheating buffer area (31), the common preheating area (32), the common temperature rising area (33) and the single-rod temperature rising area (41) are sequentially provided with the refractory lining (12), the sealing layer (13), the protective layer (14), the heat preservation layer (15) and the protective cover (11) from inside to outside, and the walls of the single-rod uniform heating area (42), the single-rod contraction area (43) and the single-rod stretching area (44) are sequentially provided with the refractory lining (12) and the heat preservation layer (15).

10. A high efficiency rod drawing process characterized by, The method comprises the following steps: Step one: the glass rod (5) first enters the preheating buffer zone (31), and the temperature is slowly raised in this area; Step two: re-enter the lower common preheating zone (32) and common heating zone (33) to perform formal preheating and temperature raising; Step three: the glass rod (5) enters the lower single-rod heating zone (4) from the common heating zone (3) respectively; Step four: after the glass rod (5) enters the single-rod heating zone (4), it successively passes through the single-rod heating zone (41), the single-rod uniform heating zone (42), the single-rod shrinkage zone (43) and the single-rod stretching zone (44); Step five: the glass rod is drawn in the single-rod stretching zone (44) and output through the winding roller (6).

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