Extrusion device

Abstract

The present invention discloses an extrusion device, which comprises a box body, at least one extrusion structure and a tube blank rod. The box body is provided with a cavity for accommodating a coating liquid. An extrusion space is formed in the extrusion structure, which includes a driving assembly and at least one extrusion wheel. The extrusion wheel is connected to the driving assembly and is arranged in the cavity. The outer side wall of the extrusion wheel is located on one side of the extrusion space. The tube blank rod penetrates through the extrusion space, and a glass fiber embryo tube is sleeved on the tube blank rod. Wherein, the driving assembly drives the extrusion wheel to rotate, so that the glass fiber embryo tube moves along the tube blank rod in the extrusion space, and the coating liquid is extruded and coated on the glass fiber embryo tube. The technical solution of the present invention aims to solve the problem that it is difficult for silicone resin glue to penetrate into the gaps between glass fiber sands without tube deformation.

Description

Technical Field

[0001] The invention relates to the technical field of glass fiber tube production, in particular to an extrusion device. Background Art

[0002] The molding process of glass fiber tube has the characteristics of light weight and hardness, non-conductive, high mechanical strength, anti-aging, high temperature resistance, corrosion resistance, etc. It can be used for a long time in the temperature range of -65℃ to 260℃ and maintain its soft elastic properties and is widely used. In the production process of solvent-free glass fiber tube, after the outer wall of the glass fiber embryo tube is woven and formed with glass fiber yarn, it is necessary to use silicone resin glue to impregnate the outer wall of the tube to enhance the comprehensive performance of the glass fiber tube. However, since the solvent-free silicone resin glue is relatively viscous, it is difficult for the silicone resin glue to penetrate into the gaps of the glass fiber yarn without external force, which leads to the problem of loose or flying yarns at the cut of the finished glass fiber tube after it is cut. If external force is applied to the outer wall of the glass fiber embryo tube, the glass fiber embryo tube is relatively soft and will be deformed after being squeezed by the extrusion wheel, and it is also impossible to ensure that the silicone resin glue completely penetrates into the gaps of the glass fiber yarn. Summary of the invention

[0003] The main purpose of the present invention is to provide an extrusion device, which aims to solve the problem that silicone resin glue is difficult to penetrate into the gaps between glass fiber yarns without tube deformation.

[0004] To achieve the above-mentioned purpose, the extrusion device proposed in the present invention is used for processing the outer wall of a glass fiber embryo tube. The extrusion device includes a box body, at least one extrusion structure and a through embryo rod. The box body is provided with a cavity, the cavity is used to contain a coating liquid, an extrusion space is formed in the extrusion structure, the extrusion structure includes a driving component and at least one extrusion wheel, the extrusion wheel is connected to the driving component, the extrusion wheel is arranged in the cavity, the outer side wall of the extrusion wheel is located on one side of the extrusion space, the through embryo rod is penetrated in the extrusion space, and the glass fiber embryo tube is sleeved on the through embryo rod, wherein the driving component drives the extrusion wheel to rotate so that the glass fiber embryo tube moves along the through embryo rod in the extrusion space, so that the coating liquid is extruded and coated on the glass fiber embryo tube.

[0005] In one embodiment of the present invention, the driving assembly includes at least one rotating shaft, a first driven gear and a driving motor, wherein the rotating shaft is partially located in the cavity, the extrusion wheel is arranged on the rotating shaft, the first driven gear is arranged at one end of the rotating shaft located outside the cavity, and a driving gear is provided on the output shaft of the driving motor, and the driving gear and the first driven gear are drivingly connected so that the edge linear speeds of the driving gear and the first driven gear are the same.

[0006] In one embodiment of the present invention, the driving assembly includes two rotating shafts, each of which is provided with an extrusion wheel, the extrusion space is formed between the outer side walls of the two extrusion wheels, and the spacing between the rotating shafts is equal to the diameter of the extrusion wheel; and / or, the outer side wall of the extrusion wheel is provided with a first groove arranged around the axial direction of the extrusion wheel, and the extrusion space is formed by enclosing the first grooves; and / or, the driving assembly also includes a transmission gear, the transmission gear is provided on the rotating shaft, and the transmission gears are meshed with each other.

[0007] In one embodiment of the present invention, the box body is provided with a through hole communicating with the accommodating cavity, the through hole is arranged opposite to the extrusion space, one end of the through embryo rod is penetrated in the extrusion space, and the other end passes through the through hole and extends out of the box body, the through hole is used to accommodate the through embryo rod and the glass fiber embryo tube sleeved on the through embryo rod, the extrusion device also includes a fixed seat and a conveying component, the fixed seat is connected to a side of the box body provided with the through hole, the conveying component is arranged on the fixed seat, and one end of the through hole extending out of the box body is located in the conveying component, wherein the conveying component is used to convey the glass fiber embryo tube located on the outer wall of the through embryo rod into the extrusion space along the through embryo rod.

[0008] In one embodiment of the present invention, the conveying assembly includes a first wheel group, a second wheel group and a third wheel group, the first wheel group, the second wheel group and the third wheel group are sequentially arranged on the fixed seat along the direction from close to the box body to away from the box body, the first wheel group and the third wheel group are spaced apart on one side of the embryo rod, the second wheel group is arranged on the other side of the embryo rod, and the second wheel group is partially located between the first wheel group and the third wheel group; the embryo rod is sequentially provided with a first straight section, a curved section and a second straight section along the direction from close to the box body to away from the box body, the first straight section passes through the through hole and extends into the extrusion space, the curved section connects the first straight section and the second straight section, and the curved section is arranged around one side of the second wheel group close to the first wheel group and the third wheel group.

[0009] In one embodiment of the present invention, the first wheel group is provided with a first rotating wheel, the second wheel group is provided with a second rotating wheel, and the third wheel group is provided with a third rotating wheel. The outer side walls of the first rotating wheel, the second rotating wheel and the third rotating wheel are all provided with a second groove for accommodating the embryo rod and the glass fiber embryo tube.

[0010] In one embodiment of the present invention, the second wheel set is further provided with a rotating plate, and the rotating plate is rotatably connected to the fixing seat to drive the second rotating wheel to approach or move away from the first rotating wheel and the third rotating wheel.

[0011] In one embodiment of the present invention, the first wheel group includes a second driven gear and a first shaft, the first shaft is inserted into the fixed seat, the first rotating wheel is arranged at an end of the first shaft away from the driving gear, the second driven gear is arranged at an end of the first shaft close to the driving gear, and the second driven gear is transmission-connected to the driving gear so that the edge linear speed of the second driven gear is the same as that of the driving gear.

[0012] In one embodiment of the present invention, the first wheel set also includes a driving gear, which is arranged at one end of the first shaft close to the second driven gear, the first shaft is arranged parallel to the rotating shaft, and the first driven gear, the second driven gear and the driving gear are all located on the same side of the box.

[0013] In one embodiment of the present invention, the first wheel group also includes a first meshing gear, which is arranged on a side of the first shaft close to the first rotating wheel, the second wheel group includes a second meshing gear and a second shaft, the second shaft is passed through the rotating plate, the second meshing gear and the second rotating wheel are both arranged on the second shaft, and the first meshing gear is meshed and connected with the second meshing gear; and / or, the first wheel group also includes a first transmission wheel, which is arranged on a side of the first shaft close to the first rotating wheel, the third wheel group includes a second transmission wheel and a third shaft, the third shaft is passed through the fixed seat, the second transmission wheel and the third rotating wheel are both arranged on the third shaft, and the first transmission wheel is transmission-connected with the second transmission wheel so that the edge linear speed of the first transmission wheel is the same as that of the second transmission wheel.

[0014] The technical solution of the present invention extends the glass fiber embryo tube sleeved on the outer wall of the embryo rod into the extrusion space in the extrusion structure, and the driving component drives the extrusion wheel to rotate. The outer wall of the extrusion wheel brings the coating liquid in the cavity into the extrusion space. Since the glass fiber embryo tube is relatively soft, it will be deformed after being squeezed by the extrusion wheel. However, because the glass fiber embryo tube is sleeved on the embryo rod, the interior of the glass fiber embryo tube is fully supported by the embryo rod. The embryo rod provides the glass fiber embryo tube with a supporting force in the opposite direction to the extrusion force of the extrusion wheel, so that the glass fiber embryo tube cannot be deformed. Moreover, the coating liquid is pressed into the gaps between the glass fiber yarns on the outer wall of the glass fiber embryo tube under the extrusion force of the extrusion wheel, thereby improving the ability of the coating liquid to penetrate into the gaps between the glass fiber yarns. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 A schematic structural diagram of an embodiment of an extrusion device of the present invention;

[0017] Figure 2 It is another structural schematic diagram of an embodiment of the extrusion device of the present invention;

[0018] Figure 3 It is another structural schematic diagram of an embodiment of the extrusion device of the present invention;

[0019] Figure 4 A top view of the extrusion device of the present invention;

[0020] Figure 5 Another top view of the extrusion device of the present invention;

[0021] Figure 6 It is a structural schematic diagram of an embodiment of the first wheel group of the extrusion device of the present invention;

[0022] Figure 7 It is a structural schematic diagram of an embodiment of the second wheel group of the extrusion device of the present invention;

[0023] Figure 8 It is a schematic structural diagram of an embodiment of the third wheel group of the extrusion device of the present invention.

[0024] Description of Figure Numbers:

[0025]

[0026]

[0027] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions. Taking "A and / or B as an example", it includes solution A, or solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0032] The present invention provides an extrusion device 1000 , which is used for processing the outer wall of a glass fiber embryo tube 6 .

[0033] In the embodiment of the present invention, Figure 1 , Figure 4 and Figure 5 As shown, the extrusion device 1000 includes a box body 1, at least one extrusion structure 2 and a through-embryo rod 3. The box body 1 is provided with a cavity 11, the cavity 11 is used to contain the coating liquid, an extrusion space 221 is formed in the extrusion structure 2, the extrusion structure 2 includes a driving component 21 and at least one extrusion wheel 22, the extrusion wheel 22 is connected to the driving component 21, the extrusion wheel 22 is arranged in the cavity 11, the outer side wall of the extrusion wheel 22 is located on one side of the extrusion space 221, the through-embryo rod 3 is penetrated in the extrusion space 221, and the glass fiber embryo tube 6 is sleeved on the through-embryo rod 3, wherein the driving component 21 drives the extrusion wheel 22 to rotate, so that the glass fiber embryo tube 6 moves along the through-embryo rod 3 in the extrusion space 221, so that the coating liquid is extruded and coated on the glass fiber embryo tube 6.

[0034] The technical solution of the present invention is to extend the glass fiber embryo tube 6 sleeved on the outer wall of the embryo rod 3 into the extrusion space 221 in the extrusion structure 2, and the driving component 21 drives the extrusion wheel 22 to rotate. The outer wall of the extrusion wheel 22 brings the coating liquid in the cavity 11 into the extrusion space 221. The glass fiber embryo tube 6 is relatively soft and will be deformed after being squeezed by the extrusion wheel 22. However, since the glass fiber embryo tube 6 is sleeved on the embryo rod 3, the interior of the glass fiber embryo tube 6 is fully supported by the embryo rod 3. The embryo rod 3 provides the glass fiber embryo tube 6 with a supporting force in the opposite direction to the extrusion force of the extrusion wheel 22, so that the glass fiber embryo tube 6 cannot be deformed. In addition, the coating liquid is pressed into the gaps between the glass fiber yarns of the glass fiber embryo tube 6 under the extrusion force of the extrusion wheel 22, thereby improving the ability of the coating liquid to penetrate into the gaps between the glass fiber yarns.

[0035] In this embodiment, the box body 1 is a cube or a cuboid, and an opening 12 is provided on the upper side of the box body 1. The opening 12 is used to fill the coating liquid into the cavity 11 of the box body 1. The filling height of the coating liquid can submerge the rotation center of the extrusion wheel 22.

[0036] In the extrusion structure 2, the extrusion space 221 is formed by at least one extrusion wheel 22 and the device around the extrusion wheel 22. If there is only one extrusion wheel 22, the extrusion wheel 22 and other positions in the extrusion structure 2 form the extrusion space 221, such as the inner wall of the box body 1. In this embodiment, two extrusion wheels 22 are provided, and the two extrusion wheels 22 are arranged in the cavity 11. The outer side walls of the two extrusion wheels 22 are closest to each other to form the extrusion space 221. The extension direction of the extrusion space 221 formed by the two extrusion wheels 22 is parallel to the direction of the opening 12 of the box body 1. A mold 13 is provided on the opening 12 of the box body 1, and a mold hole 131 is provided on the mold 13 which runs through the entire mold 13. The inner diameter of the mold hole 131 is slightly larger than the outer diameter of the glass fiber embryo tube 6. After the coating liquid has completely penetrated into the glass fiber yarn of the glass fiber embryo tube 6, it passes through the mold hole 131 and leaves the extrusion device 1000. The mold hole 131 is used to prevent excess coating liquid from remaining on the outer wall of the glass fiber embryo tube 6, so that the coating liquid is more evenly coated on the outer surface of the glass fiber embryo tube 6 to avoid affecting the molding of the glass fiber tube.

[0037] The extrusion structure 2 can be provided with multiple extrusion spaces 221. It can be understood that if the multiple extrusion spaces 221 are located on the same straight line, the number of processing times of the glass fiber embryo tube 6 can be increased, and the coating liquid can be better evenly coated on the outer surface of the glass fiber embryo tube 6; if the multiple extrusion spaces 221 are arranged at intervals, multiple glass fiber embryo tubes 6 can be processed simultaneously in one extrusion device 1000, thereby improving the working efficiency of the extrusion device 1000.

[0038] In one embodiment of the present invention, Figure 2 , Figure 4 and Figure 5As shown, the driving assembly 21 includes at least one rotating shaft 211, a first driven gear 212 and a driving motor 213. The rotating shaft 211 is partially located in the cavity 11, the extrusion wheel 22 is arranged on the rotating shaft 211, the first driven gear 212 is arranged at one end of the rotating shaft 211 outside the cavity 11, and a driving gear 2131 is provided on the output shaft of the driving motor 213. The driving gear 2131 and the first driven gear 212 are directly or indirectly connected to each other so that the edge linear speeds of the driving gear 2131 and the first driven gear 212 are the same.

[0039] In this embodiment, the driving motor 213 drives the driving gear 2131 to rotate, and the driving gear 2131 and the first driven gear 212 are transmitted through other components, so that the edge linear speeds of the driving gear 2131 and the first driven gear 212 are the same, and the rotation direction is the same, the first driven gear 212 drives the rotating shaft 211 to rotate the extrusion wheel 22, the first driven gear 212 is located on the outside of the box body 1, and the two ends of the two rotating shafts 211 respectively pass through the two opposite side surfaces of the box body 1, so that part of the rotating shaft 211 is located in the cavity 11, and the extrusion wheel 22 is arranged on the part of the rotating shaft 211 located in the cavity 11, and the connection between the two ends of the rotating shaft 211 and the side surface of the box body 1 is provided with bearings 2111 and sealing gaskets, the bearings 2111 allow the rotating shaft 211 to rotate in the cavity 11, and the sealing gasket can prevent the coating liquid in the cavity 11 from leaking from the connection between the rotating shaft 211 and the side surface of the box body 1.

[0040] In this embodiment, the two rotating shafts 211 are arranged in parallel, and the radial directions of the two extrusion wheels 22 are located in the same plane, ensuring that the glass fiber embryo tube 6 located in the extrusion space 221 is subjected to opposite extrusion forces from the two extrusion wheels 22, and the direction of the force is perpendicular to the extension direction of the glass fiber embryo tube 6, so that the glass fiber embryo tube 6 can maintain a stable state in the cavity 11.

[0041] In one embodiment of the present invention, Figure 5 As shown, the outer side wall of the extrusion wheel 22 is provided with first grooves 222 arranged around the axial direction of the extrusion wheel 22 , and the first grooves 222 enclose an extrusion space 221 .

[0042] In this embodiment, the outer side walls of the two extrusion wheels 22 fit together. Since the outer side wall of the extrusion wheel 22 is provided with a first groove 222, the glass fiber embryo tube 6 is located in the extrusion space 221 formed between the two first grooves 222 of the two extrusion wheels 22. It can be understood that the two extrusion wheels 22 achieve uniform force on the glass fiber embryo tube 6 in the circumferential direction.

[0043] As a further improvement of this embodiment, a plurality of bumps may be provided on the first groove 222 and the blanking rod 3 to increase the friction force when the pressing wheel 22 presses the glass fiber embryo tube 6, thereby further enhancing the extrusion and penetration effect when the coating liquid extrudes and coats the glass fiber embryo tube 6.

[0044] In an embodiment of the present invention, as Figure 2 shown, the driving assembly 21 further includes transmission gears 214. The transmission gears 214 are arranged on the rotating shaft 211, and the transmission gears 214 mesh with each other.

[0045] In this embodiment, the first driven gear 212 is arranged at one end of the rotating shaft 211 outside the cavity 11. The peripheral linear velocities of the driving gear 2131 and the first driven gear 212 are the same. The rotation of the rotating shaft 211 provided with the first driven gear 212 drives the corresponding transmission gear 214 to rotate. Since the two transmission gears 214 mesh with each other, the two rotating shafts 211 rotate synchronously but in opposite directions, ensuring the synchronous and opposite rotation of the two pressing wheels 22. It can be understood that since the two pressing wheels 22 are located on both sides of the glass fiber embryo tube 6, when the two pressing wheels 22 rotate in opposite directions, the directions of the friction forces provided by the two pressing wheels 22 to the glass fiber embryo tube 6 are the same, both vertically upward along the extending direction of the glass fiber embryo tube 6.

[0046] In an embodiment of the present invention, as Figure 3 shown, the box body 1 is provided with a through hole 14 communicating with the cavity 11. The through hole 14 is arranged opposite to the extrusion space 221. One end of the blanking rod 3 passes through the extrusion space 221, and the other end passes through the through hole 14 and extends out of the box body 1. The through hole 14 is used to accommodate the blanking rod 3 and the glass fiber embryo tube 6 sleeved on the blanking rod 3; the extrusion device 1000 further includes a fixing seat 4 and a conveying assembly 5. The fixing seat 4 is connected to the side of the box body 1 provided with the through hole 14, and the conveying assembly 5 is arranged on the fixing seat 4. One end of the blanking rod 3 extending out of the box body 1 is located in the conveying assembly 5; wherein, the conveying assembly 5 is used to convey the glass fiber embryo tube 6 on the outer wall of the blanking rod 3 into the extrusion space 221 along the blanking rod 3.

[0047] In this embodiment, a sealing device 15 is provided at the through hole 14 on the lower side of the box body 1 to prevent the coating liquid from leaking through the gap between the through hole 14 and the blanking rod 3 and the glass fiber embryo tube 6 passing through.

[0048] In this embodiment, the fixing seat 4 is connected to the lower side of the box body 1 and avoids the through hole 14. The conveying assembly 5 is arranged in the axial direction of the through hole 14. The blanking rod 3 located outside the box body 1 passes through and is fixed in the conveying assembly 5. The conveying assembly 5 pushes the glass fiber embryo tube 6 on the outer wall of the blanking rod 3 to enter the cavity 11 from the through hole 14.

[0049] In an embodiment of the present invention, as Figure 1 and Figure 3As shown, the conveying assembly 5 includes a first wheel set 51, a second wheel set 52, and a third wheel set 53. The first wheel set 51, the second wheel set 52, and the third wheel set 53 are sequentially arranged on the fixed seat 4 in the direction from close to the box body 1 to away from the box body 1. The first wheel set 51 and the third wheel set 53 are spaced on one side of the embryo passing rod 3, and the second wheel set 52 is arranged on the other side of the embryo passing rod 3, and a part of the second wheel set 52 is located between the first wheel set 51 and the third wheel set 53; the embryo passing rod 3 is sequentially provided with a first straight section 31, a bending section 32, and a second straight section 33 along the direction from close to the box body 1 to away from the box body 1. The first straight section 31 passes through the through hole 14 and extends into the extrusion space 221. The bending section 32 connects the first straight section 31 and the second straight section 33, and the bending section 32 is arranged around the side of the second wheel set 52 close to the first wheel set 51 and the third wheel set 53.

[0050] In this embodiment, the first wheel set 51 and the third wheel set 53 are spaced on one side of the embryo passing rod, the second wheel set 52 is arranged on the other side of the embryo passing rod, and a part of the second wheel set 52 is located between the first wheel set 51 and the third wheel set 53. A first channel is formed between the first wheel set 51 and the second wheel set 52, and a second channel is formed between the second wheel set 52 and the third wheel set 53. The extending directions of the first channel and the second channel are different, and both are different from the axial direction of the through hole 14. The embryo passing rod 3 is provided with a first straight section 31, a bending section 32, and a second straight section 33. The first straight section 31 passes through the through hole 14 and extends into the extrusion space 221. The bending section 32 connects the first straight section 31 and the second straight section 33, and the bending section 32 is arranged around the side of the second wheel set 52 close to the first wheel set 51 and the third wheel set 53. Since the entire embryo passing rod 3 is not bendable, the bending section 32 of the embryo passing rod 3 is restricted by the first channel and the second channel and cannot move up or down.

[0051] In an embodiment of the present invention, as Figure 1 and Figure 6 shown, the first wheel set 51 is provided with a first rotating wheel 511, the second wheel set 52 is provided with a second rotating wheel 521, and the third wheel set 53 is provided with a third rotating wheel 531; a second groove 54 for accommodating the embryo passing rod 3 and the fiberglass embryo tube 6 is provided on the outer side walls of the first rotating wheel 511, the second rotating wheel 521, and the third rotating wheel 531.

[0052] In this embodiment, the first rotating wheel 511 and the third rotating wheel 531 are located on the outer bent side of the bent section 32, and the second rotating wheel 521 is located on the inner bent side of the bent section 32. It can be understood that the first rotating wheel 511, the third rotating wheel 531 and the second rotating wheel 521 are respectively located on both sides of the embryo passing rod 3. The outer side walls of the first rotating wheel 511, the second rotating wheel 521 and the third rotating wheel 531 are all provided with second grooves 54 for accommodating the embryo passing rod 3 and the fiberglass embryo tube 6. The fiberglass embryo tube 6 is respectively in contact with the second grooves 54 of the first rotating wheel 511, the second rotating wheel 521 and the third rotating wheel 531, and the first rotating wheel 511, the second rotating wheel 521 and the third rotating wheel 531 provide a frictional force with a resultant force upward for the fiberglass embryo tube 6. However, since the embryo passing rod 3 is restricted by the first rotating wheel 511, the second rotating wheel 521 and the third rotating wheel 531, the first rotating wheel 511, the second rotating wheel 521 and the third rotating wheel 531 can push the fiberglass embryo tube 6 on the outer wall of the embryo passing rod 3 to enter the cavity 11 from the through hole 14.

[0053] In an embodiment of the present invention, as Figure 1 , Figure 2 and Figure 7 shown, the second wheel set 52 is further provided with a rotating plate 522, and the rotating plate 522 is rotatably connected to the fixed seat 4 to drive the second rotating wheel 521 to approach or move away from the first rotating wheel 511 and the third rotating wheel 531.

[0054] It can be understood that when the second rotating wheel 521 is closer to the first rotating wheel 511 and the third rotating wheel 531, the pressure of the first rotating wheel 511, the second rotating wheel 521 and the third rotating wheel 531 on the embryo passing rod 3 is greater. When the second rotating wheel 521 is farther away from the first rotating wheel 511 and the third rotating wheel 531, the pressure of the first rotating wheel 511, the second rotating wheel 521 and the third rotating wheel 531 on the embryo passing rod 3 is smaller. Further, when the second rotating wheel 521 moves in a direction away from the first rotating wheel 511 and the third rotating wheel 531, and the distance between the second rotating wheel 521 and the third rotating wheel 531 is greater than the bending degree of the bent section 32 of the embryo passing rod 3, since the bending degree of the bent section 32 of the embryo passing rod 3 is unchanged, the disassembly of the embryo passing rod 3 can be realized.

[0055] In an embodiment of the present invention, as Figure 2 shown, the first wheel set 51 includes a second driven gear 512 and a first shaft 513. The first shaft 513 passes through the fixed seat 4. The first rotating wheel 511 is provided at one end of the first shaft 513 away from the driving gear 2131, and the second driven gear 512 is provided at one end of the first shaft 513 close to the driving gear 2131. The second driven gear 512 is in transmission connection with the driving gear 2131 so that the peripheral linear velocities of the second driven gear 512 and the driving gear 2131 are the same.

[0056] In this embodiment, the drive motor 213 and the first wheel set 51 are respectively arranged on both sides of the fixed seat 4. The first shaft 513 penetrates through the fixed seat 4. A second driven gear 512 is provided at one end of the first shaft 513 close to the drive gear 2131. The second driven gear 512 and the drive gear 2131 are connected by a chain or other transmission means to ensure that the first rotating wheel 511 and the drive gear 2131 rotate synchronously.

[0057] In an embodiment of the present invention, as Figure 2 shown, the first wheel set 51 further includes a driving gear 514. The driving gear 514 is arranged at one end of the first shaft 513 close to the second driven gear 512. The first shaft 513 is arranged in parallel with the rotating shaft 211. The first driven gear 212, the second driven gear 512, and the driving gear 514 are all located on the same side of the box body 1.

[0058] In this embodiment, the drive motor 213 drives the drive gear 2131 to rotate. The drive gear 2131 and the second driven gear 512 are driven by a chain, so that the peripheral linear velocities of the drive gear 2131 and the second driven gear 512 are the same, and the rotation directions are the same. Since the second driven gear 512 is located on the first shaft 513 and a driving gear 514 is also provided on the first shaft 513, the peripheral linear velocities and the rotation directions of the driving gear 514 and the drive gear 2131 are also the same. The driving gear 514 and the first driven gear 212 are also driven by a chain, realizing that the peripheral linear velocities of the drive gear 2131 and the first driven wheel 212 are the same, and the rotation directions are the same. Further, the first driven gear 212 drives the extrusion wheel 22 to rotate through the rotating shaft 211, realizing the synchronous rotation of the first rotating wheel 511 and the two extrusion wheels 22, so as to ensure that the peripheral linear velocities of the first rotating wheel 511 and the two extrusion wheels 22 are the same, and realizing the uniform feeding of the glass fiber embryo tube 6.

[0059] In an embodiment of the present invention, as Figure 1 and Figure 7 shown, the first wheel set 51 further includes a first meshing gear 515. The first meshing gear 515 is arranged on one side of the first shaft 513 close to the first rotating wheel 511. The second wheel set 52 includes a second meshing gear 523 and a second shaft 524. The second shaft 524 penetrates through the rotating plate 522. The second meshing gear 523 and the second rotating wheel 521 are both arranged on the second shaft 524. The first meshing gear 515 and the second meshing gear 523 are meshed and connected.

[0060] In this embodiment, since the first rotating wheel 511 and the second rotating wheel 521 are located on both sides of the glass fiber embryo tube 6, in order to make the peripheral edge linear velocities of the first rotating wheel 511 and the second rotating wheel 521 equal, the first rotating wheel 511 and the second rotating wheel 521 are connected by a first meshing gear 515 and a second meshing gear 523. The first meshing gear 515 rotates with the first shaft 513 and drives the second rotating wheel 521 to rotate by meshing with the second meshing gear 523.

[0061] In this embodiment, the driving motor 213 drives the driving gear 2131 to rotate. The driving gear 2131 and the second driven gear 512 are in chain drive, so that the peripheral edge linear velocities of the driving gear 2131 and the second driven gear 512 are the same and the rotation directions are the same. Since the second driven gear 512 is located on the first shaft 513 and the first meshing gear 515 is also provided on the first shaft 513, the peripheral edge linear velocity and the rotation direction of the first meshing gear 515 and the driving gear 2131 are also the same. The first meshing gear 515 is meshed and connected with the second meshing gear 523, so that the peripheral edge linear velocities of the first meshing gear 515 and the second meshing gear 523 are the same.

[0062] In an embodiment of the present invention, as Figure 1 and Figure 8 shown, the first wheel set 51 further includes a first transmission wheel 516. The first transmission wheel 516 is arranged on one side of the first shaft 513 close to the first rotating wheel 511. The third wheel set 53 includes a second transmission wheel 532 and a third shaft 533. The third shaft 533 penetrates through the fixed seat 4. The second transmission wheel 532 and the third rotating wheel 531 are both arranged on the third shaft 533. The first transmission wheel 516 is in transmission connection with the second transmission wheel 532, so that the peripheral edge linear velocities of the first transmission wheel 516 and the second transmission wheel 532 are the same.

[0063] In this embodiment, since the first rotating wheel 511 and the third rotating wheel 531 are located on the same side of the glass fiber embryo tube 6, in order to make the peripheral edge linear velocities of the first rotating wheel 511 and the third rotating wheel 531 equal, the first wheel set 51 is provided with a first transmission wheel 516, and the third wheel set 53 is provided with a second transmission wheel 532. The first transmission wheel 516 and the second transmission wheel 532 are connected by a belt.

[0064] In this embodiment, the driving motor 213 drives the driving gear 2131 to rotate. The driving gear 2131 and the second driven gear 512 are in chain drive, so that the linear velocities of the edges of the driving gear 2131 and the second driven gear 512 are the same, and the rotation directions are the same. Since the second driven gear 512 is located on the first shaft 513 and a first transmission wheel 516 is also provided on the first shaft 513, the linear velocities and rotation directions of the edges of the first transmission wheel 516 and the driving gear 2131 are also the same. The first transmission wheel 516 and the second transmission wheel 532 are connected by belt drive, so that the linear velocities of the edges of the first transmission wheel 516 and the second transmission wheel 532 are the same.

[0065] During the transmission and extrusion of the glass fiber preform tube 6, the moving speeds of each position must be kept consistent. That is to say, the linear velocities of the edges of the first wheel set 51, the second wheel set 52 and the third wheel set 53 in the transmission assembly 5 and the driving assembly 21 and the extrusion wheel 22 in the extrusion structure 2 must be kept consistent, so as to realize the transmission, extrusion and infiltration coating of the glass fiber preform tube 6. Otherwise, it is easy to cause the problem that the glass fiber preform tube 6 is stretched and deformed, resulting in uneven coating.

[0066] Of course, there are other implementation manners to make the linear velocities of the edges of the driving gear 2131, the first driven gear 212 in the driving assembly 21 and the second driven gear 512 in the first wheel set 51 the same, which are not limited herein.

[0067] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied to other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. An extrusion device, characterized in that, the extrusion device includes: a box body provided with a cavity for accommodating a coating liquid; at least one extrusion structure having an extrusion space formed therein, the extrusion structure including a driving assembly and at least one extrusion wheel, the extrusion wheel being connected to the driving assembly, the extrusion wheel being disposed in the cavity, and the outer side wall of the extrusion wheel being located on one side of the extrusion space; and a through-rod, the through-rod being disposed through the extrusion space, and a glass fiber embryo tube being sleeved on the through-rod; wherein, the driving assembly drives the extrusion wheel to rotate, so that the glass fiber embryo tube moves along the through-rod in the extrusion space, and the coating liquid is extruded and coated on the glass fiber embryo tube.

2. The extrusion device according to claim 1, characterized in that, the driving assembly includes: at least one rotating shaft, a part of the rotating shaft being located in the cavity, and the extrusion wheel being disposed on the rotating shaft; a first driven gear disposed at one end of the rotating shaft outside the cavity; and a driving motor having a driving gear provided on the output shaft thereof, the driving gear and the first driven gear being in transmission connection, so that the peripheral linear speeds of the driving gear and the first driven gear are the same.

3. The extrusion device according to claim 2, characterized in that, the driving assembly includes two rotating shafts, each of the two rotating shafts being provided with an extrusion wheel, an extrusion space being formed between the outer side walls of the two extrusion wheels, and the distance between the rotating shafts being equal to the diameter of the extrusion wheel; and / or, the outer side wall of the extrusion wheel is provided with a first groove arranged along the axial direction of the extrusion wheel, and the extrusion space is formed by enclosing between the first grooves; and / or, the driving assembly further includes transmission gears, the transmission gears being disposed on the rotating shafts and meshing with each other.

4. The extrusion device according to claim 3, characterized in that, the box body is provided with a through-hole communicating with the cavity, the through-hole being disposed opposite to the extrusion space, one end of the through-rod being disposed through the extrusion space, and the other end passing through the through-hole and extending out of the box body, the through-hole being used for accommodating the through-rod and the glass fiber embryo tube sleeved on the through-rod; the extrusion device further includes a fixing seat and a conveying assembly, the fixing seat being connected to the side of the box body provided with the through-hole, the conveying assembly being disposed on the fixing seat, and the end of the through-rod extending out of the box body being located in the conveying assembly; wherein, the conveying assembly is used for conveying the glass fiber embryo tube on the outer wall of the through-rod along the through-rod into the extrusion space.

5. The extrusion device according to claim 4, characterized in that, The conveying assembly includes a first wheel set, a second wheel set and a third wheel set. The first wheel set, the second wheel set and the third wheel set are sequentially arranged on the fixed seat along the direction from near the box body to far from the box body. The first wheel set and the third wheel set are spaced on one side of the embryo passing rod, and the second wheel set is arranged on the other side of the embryo passing rod, and a part of the second wheel set is located between the first wheel set and the third wheel set; The embryo passing rod is sequentially provided with a first straight section, a bending section and a second straight section along the direction from near the box body to far from the box body. The first straight section passes through the through hole and extends into the extrusion space. The bending section connects the first straight section and the second straight section, and the bending section is arranged around the side of the second wheel set close to the first wheel set and the third wheel set.

6. The extrusion device according to claim 5, wherein, the first wheel set is provided with a first rotating wheel, the second wheel set is provided with a second rotating wheel, and the third wheel set is provided with a third rotating wheel; Second grooves for accommodating the embryo passing rod and the fiberglass embryo tube are provided on the outer side walls of the first rotating wheel, the second rotating wheel and the third rotating wheel.

7. The extrusion device according to claim 6, wherein, the second wheel set is further provided with a rotating plate, and the rotating plate is rotatably connected to the fixed seat to drive the second rotating wheel to approach or move away from the first rotating wheel and the third rotating wheel.

8. The extrusion device according to claim 7, wherein, the first wheel set includes a second driven gear and a first shaft. The first shaft penetrates through the fixed seat. The first rotating wheel is arranged at one end of the first shaft far from the driving gear, and the second driven gear is arranged at one end of the first shaft close to the driving gear. The second driven gear is in transmission connection with the driving gear so that the linear velocities of the edges of the second driven gear and the driving gear are the same.

9. The extrusion device according to claim 8, wherein, the first wheel set further includes a driving gear, and the driving gear is arranged at one end of the first shaft close to the second driven gear. The first shaft is arranged parallel to the rotating shaft. The first driven gear, the second driven gear and the driving gear are all located on the same side of the box body.

10. The extrusion device according to claim 8, wherein, the first wheel set further includes a first meshing gear, and the first meshing gear is arranged on one side of the first shaft close to the first rotating wheel. The second wheel set includes a second meshing gear and a second shaft. The second shaft penetrates through the rotating plate, and the second meshing gear and the second rotating wheel are both arranged on the second shaft. The first meshing gear is in meshing connection with the second meshing gear; And / or, the first set of wheels further includes a first transmission wheel, the first transmission wheel is disposed on a side of the first shaft close to the first rotating wheel, the third set of wheels includes a second transmission wheel and a third shaft, the third shaft penetrates through the fixed seat, both the second transmission wheel and the third rotating wheel are disposed on the third shaft, and the first transmission wheel is in transmission connection with the second transmission wheel so that the peripheral linear velocities of the first transmission wheel and the second transmission wheel are the same.

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