CN115674623B - Equipment for preparing plastic optical fiber by extrusion method - Google Patents
Equipment for preparing plastic optical fiber by extrusion method Download PDFInfo
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- CN115674623B CN115674623B CN202211420305.9A CN202211420305A CN115674623B CN 115674623 B CN115674623 B CN 115674623B CN 202211420305 A CN202211420305 A CN 202211420305A CN 115674623 B CN115674623 B CN 115674623B
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Abstract
The invention provides equipment for preparing plastic optical fibers by an extrusion method, which relates to the technical field of plastic optical fiber processing and comprises a base, wherein one end of the base is provided with a plurality of telescopic fixing feet and a plurality of universal wheels, one end of the base, which is far away from the universal wheels, is provided with a motor and a machine head, one end of the machine head is provided with a die fixing mechanism, a die is arranged in the die fixing mechanism, a heating screw bin is arranged between the motor and the machine head, one end of the base, which is close to the heating screw bin, is provided with a control screen, and one end of the heating screw bin, which is far away from the base, is provided with a mixing feeding hopper, so that the die can be quickly replaced without complicated disassembly and installation steps, the die replacement efficiency is quickened, the equipment downtime is reduced, and the production efficiency is increased.
Description
Technical Field
The invention relates to the technical field of plastic optical fiber processing, in particular to equipment for preparing plastic optical fibers by an extrusion method.
Background
The plastic optical fiber is an optical fiber (optical fiber) which is made of high transparent polymers such as polystyrene, polymethyl methacrylate and polycarbonate as core materials and fluoroplastic and the like as skin materials, different materials have different light attenuation performance and temperature application ranges, the plastic optical fiber not only can be used for the last 100-1000 m of an access network, but also can be used for various vehicles such as automobiles, airplanes and the like, is an excellent short-distance data transmission medium, most of the optical fibers in the prior society mostly adopt quartz optical fibers and are made of high-purity silicon dioxide and a proper amount of doping agent, but the quartz optical fibers are small in core diameter and high in coupling loss and cost, so that the plastic optical fiber has low modulus and large core diameter, a simple connector can be used in connection, and the coupling loss cannot be influenced even if the optical fiber connection center is aligned to generate 30 mu m deviation; the numerical aperture is large, the light receiving angle can reach sixty degrees, and the quartz optical fiber has sixteen degrees, and the coupling efficiency is high; the flexibility is good, and the processing and the use are easy; a low-loss window in the visible region; the weight is light; the cost and the processing cost are low, so that the plastic optical fiber is gradually replacing the quartz optical fiber.
The method for preparing the plastic optical fiber at the present stage is mainly divided into two types: both the extrusion method and the interfacial gel method are evolved from plastic production and processing technologies, wherein the extrusion method needs to heat raw materials to a specified temperature, then extrude a plastic optical fiber through a small extrusion nozzle (namely a die) of the equipment, and control the size of the plastic optical fiber through the die, but because the sizes of plastic optical fibers required by markets are often different, the die with the specified size needs to be replaced according to production requirements in the production process of the plastic optical fiber, but the plastic optical fiber preparation equipment at the present stage is usually fixed in a two-way manner for the die, so that when the die is replaced, the threads of a heating bin need to be disassembled first, then the machine head is disassembled, then the old die can be disassembled and replaced from two directions, the disassembling process is very complicated, and is very slow, and when the replacement is completed, the whole equipment is in a shutdown state, thereby reducing the production efficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides equipment for preparing plastic optical fibers by an extrusion method, which solves the problems that the method for preparing plastic optical fibers at the present stage is mainly divided into two types: both the extrusion method and the interfacial gel method are evolved from plastic production and processing technologies, wherein the extrusion method needs to heat raw materials to a specified temperature, then extrude a plastic optical fiber through a small extrusion nozzle (namely a die) of the equipment, and control the size of the plastic optical fiber through the die, but because the sizes of plastic optical fibers required by markets are often different, the die with the specified size needs to be replaced according to production requirements in the production process of the plastic optical fiber, but the plastic optical fiber preparation equipment at the present stage is usually fixed in a two-way manner for the die, so that when the die is replaced, the threads of a heating bin need to be disassembled first, then the machine head is disassembled, then the old die can be disassembled and replaced from two directions, the disassembling process is very complicated and slow, and when the replacement is completed, the whole equipment is in a shutdown state, thereby reducing the production efficiency.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an equipment of extrusion method preparation plastic optical fiber, includes the base, base one end is provided with a plurality of flexible fixed feet and a plurality of universal wheel, the one end that the universal wheel was kept away from to the base is provided with motor and aircraft nose, aircraft nose one end is provided with die fixing mechanism, be provided with the bush in the die fixing mechanism, be provided with the heating screw storehouse between motor and the aircraft nose, the one end that the base is close to the heating screw storehouse is provided with the control panel, the one end that the base was kept away from to the heating screw storehouse is provided with the mixing feeding hopper.
Preferably, the motor is fixedly connected with the heating screw bin, one end, far away from the motor, of the heating screw bin is fixedly connected with the machine head, and one end, far away from the base, of the heating screw bin is fixedly connected with the mixing feeding hopper.
Preferably, the die fixing mechanism comprises a mechanism base, a first groove is formed in one end, far away from the machine head, of the mechanism base, a die mounting fixer is arranged in the first groove, a plurality of second grooves are formed in one end, close to the die mounting fixer, of the mechanism base, a button is arranged in the second groove, a wedge-shaped push column is arranged at one end, close to the machine head, of the button, a plurality of guide limiting blocks are arranged on the button, close to the wedge-shaped push column, a plurality of third grooves are formed between the two second grooves, a buckling mechanism is arranged in the third grooves, a fourth groove is formed between the two third grooves, and a rebound column is arranged in the fourth groove.
Preferably, the second groove and the third groove are communicated with each other, and one end of the rebound column close to the machine head is fixedly connected with the fourth groove.
Preferably, the die mounting fixture comprises a fixture base, a die mounting groove is formed in the fixture base, and a plurality of first wedge-shaped clamping pieces and a plurality of fifth grooves are formed in one end, close to the third grooves, of the fixture base.
Preferably, the fifth groove is located between two first wedge-shaped clamping pieces, and the first wedge-shaped clamping pieces are hook-shaped.
Preferably, the buckle mechanism comprises a mechanism base, one end of the mechanism base, which is far away from the second groove, is provided with a plurality of first springs, one end of the mechanism base, which is far away from the first springs, is provided with a second wedge-shaped clamping piece and a wedge-shaped pushing block, two ends of the mechanism base, which are close to and far away from the die mounting fixer, are provided with a plurality of guide grooves, and one end of the wedge-shaped pushing block, which is close to the mechanism base, is provided with a sixth groove.
Preferably, the second wedge-shaped clamping piece is fixedly connected with the machine base, and the shape of the second wedge-shaped clamping piece is the same as that of the first wedge-shaped clamping piece.
Preferably, the wedge-shaped surface of the second wedge-shaped clamp is parallel to the wedge-shaped surface of the first wedge-shaped clamp, and the wedge-shaped surface of the wedge-shaped pushing block is parallel to the wedge-shaped surface of the wedge-shaped pushing column.
Preferably, the rebound post comprises a rebound post base, a chute is arranged in the rebound post base, a second spring is arranged on the inner wall of one end of the chute, which is far away from the die mounting fixer, a T-shaped compression post is arranged at one end of the second spring, which is close to the die mounting fixer, a plurality of guide chutes are arranged at one end of the T-shaped compression post, which is close to the chute, a guide sliding block is arranged in the guide chute, and the guide sliding block is fixedly connected with the inner wall of the chute.
The invention provides equipment for preparing plastic optical fibers by an extrusion method. The beneficial effects are as follows:
the method for preparing the plastic optical fiber according to the current stage proposed in the background technology is mainly divided into two types: the extrusion method and the interfacial gel method are developed from plastic production and processing technologies, wherein the extrusion method needs to heat raw materials to a specified temperature, then extrude a plastic optical fiber through a small extrusion nozzle (namely a die) of the equipment, and control the size of the plastic optical fiber through the die, but because the sizes of plastic optical fibers required by markets are often different, the die with the specified size needs to be replaced according to production requirements in the production process of the plastic optical fiber, the plastic optical fiber preparation equipment at the present stage is usually fixed in a two-way manner for the die, so that when the die is replaced, the threads of a heating bin need to be disassembled firstly, then the machine head is disassembled, and then the old die can be disassembled and replaced from two directions, the disassembling process is very complicated and slow, and when the replacement is completed, the whole equipment is in a shutdown state, thereby reducing the production efficiency;
according to the scheme, firstly, the universal wheels are utilized to move the base to the designated position, then the telescopic fixing feet are started to fix the base at the designated position, then the motor and the heating screw bin are started through the control panel to preheat the heating screw bin, when the heating screw bin is preheated, the control panel is utilized to start the mixing feeding hopper, then raw materials are poured into the mixing feeding hopper, the mixing feeding hopper is utilized to mix the raw materials after the mixing is sent into the heating screw bin to be subjected to hot melting, then the heating screw bin is used to send the heated raw materials into the machine head, then the machine head extrudes the raw materials into plastic optical fibers with the designated shape and size through the die in the die fixing mechanism, when the die needs to be replaced, the new die is firstly installed in a replaceable part of the die fixing mechanism, then all devices are closed through the control panel, then the parts in the die fixing mechanism are pressed, then the old die can be automatically ejected from the die fixing mechanism, then the new die can be installed in the die fixing mechanism through pressing, the die can be replaced quickly, the complicated die replacing step is not needed to be carried out, the die replacing step is shortened, the production efficiency is shortened, the production time is shortened, and the production efficiency is shortened, and the production time is shortened.
When the die is replaced, one end of the rebound post, which is far away from the mechanism base, automatically enters the fifth groove to play an additional guiding role.
The buckle mechanism can be in a locking state by pressing the die mounting fixer, and the locking state can be released by pressing the button when the locking state is required to be released, so that the operation is simple and quick.
When the die mounting fixture extrudes the T-shaped pressing column, the second spring rebounds, and then the die mounting fixture is ejected out of the first groove by the T-shaped pressing column, so that a worker can conveniently take out the die mounting fixture from the first groove.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view showing a split-section perspective structure of a die fixing mechanism according to the present invention;
FIG. 3 is a schematic view showing a closed cross-sectional perspective structure of a die fixing mechanism according to the present invention;
FIG. 4 is a schematic cross-sectional perspective view of a die-mounting fixture according to the present invention;
FIG. 5 is a schematic perspective view of a snap mechanism according to the present invention;
FIG. 6 is a schematic top view of the latch mechanism of the present invention;
fig. 7 is a schematic cross-sectional perspective view of a rebound post according to the present invention.
1, a base; 2. a telescopic fixed leg; 3. a universal wheel; 4. a motor; 5. a machine head; 6. a die fixing mechanism; 601. a mechanism base; 602. a first groove; 603. the die is provided with a fixer; 60301. a holder base; 60302. a die mounting groove; 60303. a first wedge-shaped clip; 60304. a fifth groove; 604. a second groove; 605. a button; 606. wedge-shaped pushing columns; 607. a guide limiting block; 608. a third groove; 609. a buckle mechanism; 60901. a mechanism base; 60902. a first spring; 60903. a second wedge-shaped clip; 60904. wedge-shaped push blocks; 60905. a guide groove; 60906. a sixth groove; 6010. a fourth groove; 6011. a rebound column; 60101, rebound column base; 60102, chute; 601103, a second spring; 601104, T-shaped press column; 601105, guiding chute; 601106, guide slide; 7. a die; 8. heating the screw bin; 9. a control screen; 10. and (5) mixing and feeding the materials.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1, the embodiment of the invention provides equipment for preparing plastic optical fibers by an extrusion method, which comprises a base 1, wherein one end of the base 1 is provided with a plurality of telescopic fixed feet 2 and a plurality of universal wheels 3, one end of the base 1 far away from the universal wheels 3 is provided with a motor 4 and a machine head 5, one end of the machine head 5 is provided with a die fixing mechanism 6, a die 7 is arranged in the die fixing mechanism 6, a heating screw bin 8 is arranged between the motor 4 and the machine head 5, one end of the base 1 close to the heating screw bin 8 is provided with a control screen 9, and one end of the heating screw bin 8 far away from the base 1 is provided with a mixing feeding hopper 10.
As shown in fig. 2 and 3, the die fixing mechanism 6 includes a mechanism base 601, a first groove 602 is provided at an end of the mechanism base 601 away from the machine head 5, a die mounting fixture 603 is provided in the first groove 602, a plurality of second grooves 604 are provided at an end of the mechanism base 601 close to the die mounting fixture 603, a button 605 is provided in the second grooves 604, a wedge-shaped pushing column 606 is provided at an end of the button 605 close to the machine head 5, a plurality of guide limiting blocks 607 are provided at the button 605 close to the wedge-shaped pushing column 606, a plurality of third grooves 608 are provided between two of the second grooves 604, a buckle mechanism 609 is provided in the third grooves 608, a fourth groove 6010 is provided between the two of the third grooves 608, and a rebound column 6011 is provided in the fourth groove 6010.
Through the above technical scheme, when the die 7 needs to be replaced, the die 7 is firstly installed in the new die installation fixture 603, then the button 605 is pressed, then the button 605 drives the wedge-shaped pushing column 606 to move towards the machine head 5, the wedge-shaped pushing column 606 presses the buckling mechanism 609, the buckling mechanism 609 moves away from the second groove 604, at the moment, the buckling mechanism 609 is unlocked, then the rebound column 6011 rotates to rebound, the die installation fixture 603 is ejected out of the first groove 602, at the moment, the button 605 is released, then the old die installation fixture 603 is taken out, the new die installation fixture 603 is placed in the first groove 602, then the new die installation fixture 603 is pressed towards the machine head 5, at the moment, the rebound column 6011 is compressed, and the new die installation fixture 603 and the die 7 can be quickly fixed in the first groove 602.
As shown in fig. 4, the die mounting fixture 603 includes a fixture base 60301, a die mounting groove 60302 is disposed in the fixture base 60301, and a plurality of first wedge-shaped clips 60303 and a plurality of fifth grooves 60304 are disposed at one end of the fixture base 60301 near the third groove 608.
Through the above technical scheme, when the die 7 is replaced, the die 7 is installed in the die installation groove 60302, then the first wedge-shaped clamping piece 60303 is placed in the third groove 608, then the fixing base 60301 is pressed, the fixing base 60301 is moved towards the direction of the first groove 602, the fixing base 60301 is fixed in the first groove 602 by the aid of the first wedge-shaped clamping piece 60303, and at the moment, one end of the rebound post 6011, far away from the mechanism base 601, automatically enters the fifth groove 60304 to play an additional guiding role.
As shown in fig. 5 and 6, the buckle mechanism 609 includes a mechanism base 60901, one end of the mechanism base 60901 away from the second groove 604 is provided with a plurality of first springs 60902, one end of the mechanism base 60901 away from the first springs 60902 is provided with a second wedge-shaped clamping member 60903 and a wedge-shaped pushing block 60904, two ends of the mechanism base 60901 close to and away from the die mounting fixture 603 are provided with a plurality of guide grooves 60905, and one end of the wedge-shaped pushing block 60904 close to the mechanism base 60901 is provided with a sixth groove 60906.
Through the above technical scheme, when the die mounting fixture 603 is pressed, the first wedge-shaped clamping piece 60303 presses the second wedge-shaped clamping piece 60903 by utilizing the wedge-shaped surface parallel to the second wedge-shaped clamping piece 60903, so that the second wedge-shaped clamping piece 60903 moves towards the direction of the first spring 60902, at the moment, the first spring 60902 contracts, the first wedge-shaped clamping piece 60303 moves in the sixth groove 60906, when one end of the wedge-shaped surface of the first wedge-shaped clamping piece 60303 moves to a designated position, the second wedge-shaped clamping piece 60903 leaves the pressing state, at the moment, the first spring 60902 rebounds to clamp the first wedge-shaped clamping piece 60303, the position at the moment, the buckling mechanism 609 enters the locking state, when the locking state needs to be released, the wedge-shaped pushing piece 60904 is pressed by the wedge-shaped pushing post 606, the wedge-shaped pushing piece 60904 presses the mechanism base 60901, and the mechanism base 60901 moves towards the direction of the first spring 60902, and the locking state can be released.
As shown in fig. 7, the rebound post 6011 includes a rebound post base 60101, a sliding groove 60102 is provided in the rebound post base 60101, a second spring 601103 is provided on an inner wall of an end of the sliding groove 60102 away from the die mounting fixture 603, a T-shaped compression post 601104 is provided on an end of the second spring 601103 close to the die mounting fixture 603, a plurality of guiding sliding grooves 601105 are provided on an end of the T-shaped compression post 601104 close to the sliding groove 60102, a guiding sliding block 601106 is provided in the guiding sliding groove 601105, and the guiding sliding block 601106 is fixedly connected with an inner wall of the sliding groove 60102.
Through the above technical scheme, when the die mounting fixture 603 presses the T-shaped pressing column 601104, the T-shaped pressing column 601104 moves towards the direction of the second spring 601103, the second spring 601103 contracts, when the locking state of the buckle mechanism 609 is released, the second spring 601103 rebounds, the T-shaped pressing column 601104 moves towards the direction away from the second spring 601103, the T-shaped pressing column 601104 returns to the original position, and then the T-shaped pressing column 601104 ejects the die mounting fixture 603 from the first groove 602, so that the die mounting fixture 603 can be conveniently taken out from the first groove 602 by a worker.
Working principle:
according to the scheme, firstly, the universal wheel 3 is utilized to move the base 1 to a designated position, then the telescopic fixing foot 2 is started, the base 1 is fixed at the designated position, then the motor 4 and the heating screw bin 8 are started through the control screen 9, the heating screw bin 8 is preheated, when the heating screw bin 8 is preheated, the mixing feeding hopper 10 is started through the control screen 9, then raw materials are poured into the mixing feeding hopper 10, the raw materials are mixed by the mixing feeding hopper 10, the mixed raw materials are fed into the heating screw bin 8 to be subjected to hot melting, then the heating screw bin 8 feeds the heated raw materials into the machine head 5, then the machine head 5 presses the raw materials into plastic optical fibers with designated shape and size through the die 7 in the die fixing mechanism 6, when the die 7 needs to be replaced, firstly, the new die 7 is installed in a replaceable part of the die fixing mechanism 6, then all devices are closed through the control screen 9, then the part in the die fixing mechanism 6 is pressed, then the old die 7 can be automatically ejected from the die fixing mechanism 6, and then the die 7 can be quickly replaced without the complicated step of replacing the die 7.
When the die 7 needs to be replaced, the die 7 is firstly installed in the new die installation fixture 603, then the button 605 is pressed, then the button 605 drives the wedge-shaped pushing column 606 to move towards the direction of the machine head 5, the wedge-shaped pushing column 606 presses the buckling mechanism 609 to enable the buckling mechanism 609 to move away from the second groove 604, at the moment, the buckling mechanism 609 is unlocked, then the rebound column 6011 rotates to rebound, the die installation fixture 603 is ejected into the first groove 602, at the moment, the button 605 is released, then the old die installation fixture 603 is taken out, the new die installation fixture 603 is placed into the first groove 602, then the new die installation fixture 603 is pressed towards the direction of the machine head 5, at the moment, the rebound column 6011 is compressed, and the new die installation fixture 603 and the die 7 can be quickly fixed in the first groove 602.
When the die 7 is replaced, the die 7 is installed in the die installation groove 60302, then the first wedge-shaped clamping piece 60303 is placed in the third groove 608, then the fixing base 60301 is pressed to enable the fixing base 60301 to move towards the first groove 602, the fixing base 60301 is fixed in the first groove 602 by the aid of the first wedge-shaped clamping piece 60303, and at the moment, one end, far away from the mechanism base 601, of the rebound post 6011 automatically enters the fifth groove 60304 to achieve an additional guiding function.
When the die is pressed to mount the holder 603, the first wedge-shaped clamp 60303 presses the second wedge-shaped clamp 60903 by using the wedge surface parallel to the second wedge-shaped clamp 60903, so that the second wedge-shaped clamp 60903 moves towards the first spring 60902, at this time, the first spring 60902 contracts, the first wedge-shaped clamp 60303 moves in the sixth groove 60906, when one end of the wedge surface of the first wedge-shaped clamp 60303 moves to a designated position, the second wedge-shaped clamp 60903 leaves the pressed state, at this time, the first spring 60902 rebounds to clamp the first wedge-shaped clamp 60303, at this time, the position of the clamp mechanism 609 enters the locked state, and when the locked state needs to be released, the wedge-shaped push post 606 presses the wedge-shaped push block 60904, the wedge-shaped push block 60904 presses the mechanism base 60901, so that the mechanism base 60901 moves towards the direction of the first spring 60902, and the locked state can be released.
When the die mounting fixture 603 presses the T-shaped pressing column 601104, the T-shaped pressing column 601104 moves towards the second spring 601103, the second spring 601103 contracts, when the locking state of the locking mechanism 609 is released, the second spring 601103 rebounds, the T-shaped pressing column 601104 moves away from the second spring 601103, the T-shaped pressing column 601104 returns to the original position, and then the T-shaped pressing column 601104 ejects the die mounting fixture 603 from the first groove 602, so that a worker can conveniently take out the die mounting fixture 603 from the first groove 602.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and not limiting of the embodiments of the present invention, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the invention are defined by the following claims.
Claims (5)
1. An apparatus for preparing plastic optical fibers by extrusion, comprising a base (1), characterized in that: the novel automatic feeding device is characterized in that a plurality of telescopic fixed feet (2) and a plurality of universal wheels (3) are arranged at one end of the base (1), which is far away from the universal wheels (3), a motor (4) and a machine head (5) are arranged at one end of the base (1), a die fixing mechanism (6) is arranged at one end of the machine head (5), a die (7) is arranged in the die fixing mechanism (6), a heating screw bin (8) is arranged between the motor (4) and the machine head (5), a control screen (9) is arranged at one end, which is close to the heating screw bin (8), of the base (1), and a mixing feeding hopper (10) is arranged at one end, which is far away from the base (1), of the heating screw bin (8);
the die fixing mechanism (6) comprises a mechanism base (601), a first groove (602) is formed in one end, far away from the machine head (5), of the mechanism base (601), a die mounting fixer (603) is arranged in the first groove (602), a plurality of second grooves (604) are formed in one end, close to the die mounting fixer (603), of the mechanism base (601), a button (605) is arranged in the second grooves (604), a wedge-shaped pushing column (606) is arranged at one end, close to the machine head (5), of the button (605), a plurality of guide limiting blocks (607) are arranged on one side, close to the wedge-shaped pushing column (606), of the button (605), a plurality of third grooves (608) are formed between the two second grooves (604), a buckling mechanism (609) is arranged in the third grooves (608), a fourth groove (6010) is formed between the two third grooves (608), and a rebound column (6011) is arranged in the fourth groove (6010);
the second groove (604) and the third groove (608) are communicated with each other, and one end, close to the machine head (5), of the rebound column (6011) is fixedly connected with the fourth groove (6010);
the die mounting fixer (603) comprises a fixer base (60301), a die mounting groove (60302) is formed in the fixer base (60301), and a plurality of first wedge-shaped clamping pieces (60303) and a plurality of fifth grooves (60304) are formed in one end, close to the third grooves (608), of the fixer base (60301);
the buckle mechanism (609) comprises a mechanism base (60901), one end, far away from the second groove (604), of the mechanism base (60901) is provided with a plurality of first springs (60902), one end, far away from the first springs (60902), of the mechanism base (60901) is provided with a second wedge-shaped clamping piece (60903) and a wedge-shaped pushing block (60904), two ends, close to and far away from the die mounting fixer (603), of the mechanism base (60901) are provided with a plurality of guide grooves (60905), and one end, close to the mechanism base (60901), of the wedge-shaped pushing block (60904) is provided with a sixth groove (60906);
the elastic column (6011) comprises an elastic column base (60101), a sliding groove (60102) is formed in the elastic column base (60101), a second spring (601103) is arranged on the inner wall of one end of the sliding groove (60102) away from a die mounting fixing device (603), a T-shaped pressing column (601104) is arranged at one end, close to the die mounting fixing device (603), of the second spring (601103), a plurality of guide sliding grooves (601105) are formed in one end, close to the sliding groove (60102), of the T-shaped pressing column (601104), guide sliding blocks (601106) are arranged in the guide sliding grooves (601105), and the guide sliding blocks (601106) are fixedly connected with the inner wall of the sliding groove (60102).
2. An apparatus for producing a plastic optical fiber by extrusion as claimed in claim 1, wherein: the novel heating screw machine is characterized in that the motor (4) is fixedly connected with the heating screw bin (8), one end, far away from the motor (4), of the heating screw bin (8) is fixedly connected with the machine head (5), and one end, far away from the base (1), of the heating screw bin (8) is fixedly connected with the mixing feeding hopper (10).
3. An apparatus for producing a plastic optical fiber by extrusion as claimed in claim 2, wherein: the fifth groove (60304) is located between the two first wedge-shaped clamping pieces (60303), and the first wedge-shaped clamping pieces (60303) are hook-shaped.
4. An apparatus for producing a plastic optical fiber by extrusion as claimed in claim 3, wherein: the second wedge-shaped clamping piece (60903) is fixedly connected with the office base (60901), and the shape of the second wedge-shaped clamping piece (60903) is the same as that of the first wedge-shaped clamping piece (60303).
5. An apparatus for preparing a plastic optical fiber by extrusion as set forth in claim 4, wherein: the wedge-shaped surface of the second wedge-shaped clamp (60903) is parallel to the wedge-shaped surface of the first wedge-shaped clamp (60303), and the wedge-shaped surface of the wedge-shaped pushing block (60904) is parallel to the wedge-shaped surface of the wedge-shaped pushing column (606).
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| CN202211420305.9A CN115674623B (en) | 2022-11-15 | 2022-11-15 | Equipment for preparing plastic optical fiber by extrusion method |
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| CN202211420305.9A CN115674623B (en) | 2022-11-15 | 2022-11-15 | Equipment for preparing plastic optical fiber by extrusion method |
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| CN115674623A CN115674623A (en) | 2023-02-03 |
| CN115674623B true CN115674623B (en) | 2023-08-01 |
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| JP2001030335A (en) * | 1999-07-26 | 2001-02-06 | Toyo Sekkei:Kk | Screen replacing apparatus for extrusion molding machine |
| EP2368688A2 (en) * | 2010-03-26 | 2011-09-28 | YKK Corporation | Method and apparatus for die change in extrusion moulding |
| CN213382889U (en) * | 2020-09-24 | 2021-06-08 | 苏州市新天龙管业发展有限公司 | Mould for producing polypropylene ethylene pipe with leading-out structure |
| CN112848194A (en) * | 2021-01-25 | 2021-05-28 | 安徽深联通讯有限公司 | Flexible sizing die |
| CN217169654U (en) * | 2022-01-14 | 2022-08-12 | 淄博欧宝精工机械制造有限公司 | Plastic forming extruder with replaceable mold |
| CN217434992U (en) * | 2022-03-10 | 2022-09-16 | 东莞市三泰塑胶科技有限公司 | Quick extrusion device is used in plastic product production |
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