Aramid pay-off device

Abstract

The utility model relates to the technical field of optical cable production machine heads, specifically an aramid wire laying device in the tight sleeve and sheathing process of optical cable production, comprising a mounting base, a fixing plate, a fixing cylinder, a locking plate and an anti-backward device, wherein the fixing plate is mounted on the mounting base, one end of the fixing cylinder is fixed to the fixing plate as a whole, a spring damping device is provided on the fixing cylinder, the spring damping device is arranged in a U-shaped groove of the fixing cylinder, the spring damping device is used to tension the aramid installed on the fixing cylinder, the other end of the fixing cylinder is fixed to the anti-backward device as a whole, a fixing plate conical needle is provided on the fixing plate, a locking plate conical needle is provided on the locking plate, the fixing plate conical needle and the locking plate conical needle are respectively matched and connected with the two ends of the aramid; compared with the prior art, the utility model can effectively solve the problems of easy variability and easy wear of the iron sheet of the aramid anti-frame, short service life and low use surface, and aramid slippage, thereby effectively reducing the defective rate of products and improving production efficiency.

Description

[Technical field]

[0001] The utility model relates to the technical field of optical cable production machine heads, in particular to an aramid pay-off device in the tight sheathing and sheathing process of optical cable production. [Background Technology]

[0002] At present, with the continuous development of informatization, my country has driven the common progress of industrialization and is on the road of new industrialization. Therefore, various industries need to use a large number of various optical cables and cable products.

[0003] The traditional aramid pay-off device has only two-position iron sheets and the iron sheets are rigidly fixed on the fixed cylinder. Because the iron sheets are easy to change and wear, the service life is short and the use surface is low (only one size of aramid can be used), and aramid slippage occurs frequently. The use of conical needles and three-position spring damping devices can solve the disadvantages of low service life, low use surface, and unstable aramid slippage. Therefore, compared with the existing technology, the three-position is more solid than the two-position, and the slippage phenomenon that occurs during the production process is completely improved. [Contents of the utility model]

[0004] The purpose of the utility model is to solve the above-mentioned deficiencies and provide an aramid pay-off device, which can effectively solve the problems of easy changeability and wear of the iron sheet of the aramid anti-frame, short service life and low use surface, and aramid slippage, thereby effectively reducing the defective rate of products and improving production efficiency.

[0005] In order to achieve the above-mentioned purpose, an aramid pay-off device is designed, comprising a mounting base 2-1, a fixing plate 2-2, a fixing cylinder 2-4, a locking plate 2-8 and an anti-retreat device 2-7, wherein the fixing plate 2-2 is mounted on the mounting base 2-1, one end of the fixing cylinder 2-4 is fixed as a whole with the fixing plate 2-2, a spring damping device 2-5 is provided on the fixing cylinder 2-4, the spring damping device 2-5 is used to tension the aramid 3 installed on the fixing cylinder 2-4, the other end of the fixing cylinder 2-4 is fixed as a whole with the anti-retreat device 2-7, a fixing plate conical needle 2-3 is provided on the fixing plate 2-2, and a locking plate conical needle 2-6 is provided on the locking plate 2-8, the fixing plate conical needle 2-3 and the locking plate conical needle 2-6 are respectively connected with the two ends of the aramid 3 in cooperation.

[0006] Furthermore, one end of the aramid 3 is installed to fit with the fixing plate 2-2 and embedded in the fixing plate conical needle 2-3, and the other end of the aramid 3 is locked with a locking plate 2-8, and the locking plate conical needle 2-6 on the locking plate 2-8 is embedded in the other end of the aramid 3, thereby further preventing the aramid 3 from slipping and falling out.

[0007] Furthermore, the mounting base 2-1 is provided with a screw hole 2-12, the fixing plate 2-2 is provided with a countersunk hole 2-13 and a countersunk hole 2-14, the mounting base 2-1 and the fixing plate 2-2 are fixed as a whole through the screw hole 2-12 and the countersunk hole 1 2-13, the two ends of the fixing tube 2-4 are respectively provided with a screw hole 3 2-15 and a screw hole 4 2-16, one end of the fixing tube 2-4 is fixed as a whole with the fixing plate 2-2 through the screw hole 3 2-15 and the countersunk hole 2-14, the anti-retreat device 2-7 is provided with a countersunk hole 3 2-18, and the other end of the fixing tube 2-4 is fixed as a whole with the anti-retreat device 2-7 through the screw hole 4 2-16 and the countersunk hole 3 2-18.

[0008] Furthermore, the aramid 3 passes through the fixed tube 2-4 and is installed to fit with the fixed plate 2-2 and is embedded in the fixed plate conical needle 2-3, the locking plate 2-8 passes through the anti-retraction device 2-7 and is squeezed on the aramid 3 paper tube and the locking plate conical needle 2-6 is embedded in the paper tube, and the locking plate 2-8 is provided with a screw hole five 2-17, and is locked and fixed by the screw hole five 2-17.

[0009] Furthermore, the spring damping device 2-5 is arranged in the U-shaped groove 2-5.8 of the fixing tube 2-4, and the bottom of the U-shaped groove 2-5.8 is provided with a thread hole 1 2-5.9 and a thread hole 2-5.19, and the spring damping device 2-5 includes a screw 1 2-5.1, a blade 2-5.2, a fixing plate 2-5.3, a slide bar 2-5.4, a damping rod 2-5.5, a screw 2-5.6 and a fixing plate 3 2-5.7, and the fixing plate 3 2-5.7 is fixed in the thread hole 2-5. 19, the damping rod 2-5.5 is fixed on the fixing plate three 2-5.7, the fixing plate two 2-5.3 is connected to the damping rod 2-5.5 as a whole, the blade 2-5.2 is fixed to the fixing plate two 2-5.3 as a whole, the sliding rod 2-5.4 passes through the blade 2-5.2 and is fixed at the thread hole one 2-5.9, the screw one 2-5.1 is fixed on the sliding rod 2-5.4, and the fixing plate three 2-5.7 is fixed to the thread hole two 2-5.19 by the screw two 2-5.6.

[0010] Furthermore, the fixing plate three 2-5.7 is fixed to the thread hole two 2-5.19 by means of screw two 2-5.6, the upper and lower ends of the damping rod 2-5.5 are respectively provided with mounting holes two 2-5.13 and mounting holes three 2-5.16, the damping rod 2-5.5 is fixed to the fixing plate three 2-5.7 by means of mounting holes three 2-5.16, key pin 2-5.14, pin buckle 2-5.15 and mounting holes five 2-5.18, the fixing plate two 2-5.3 is fixed to the fixing plate three 2-5.7 by means of mounting holes one 2-5.12, The mounting hole 2-5.13, the key pin 2-5.14, the pin buckle 2-5.15 are connected as a whole with the mounting hole 2-5.13 on the damping rod 2-5.5, the blade 2-5.2 and the fixing plate 2-5.3 are fixed as a whole by welding, the sliding rod 2-5.4 passes through the sliding hole 2-5.11 of the blade 2-5.2 and is fixed on the thread hole 1 2-5.9, and the fixing plate 3 2-5.7 is fixed on the thread hole 2-5.19 by the screw 2-5.6 and the mounting hole 4 2-5.17.

[0011] Furthermore, the blade 2-5.2 is provided with blade teeth 2-5.10 and has a cutting edge, and the spring damping device 2-5 is embedded in the aramid fiber 3 paper tube through the blade 2-5.2 and its blade teeth 2-5.10 to prevent the aramid fiber 3 from slipping and falling out.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] (1) The utility model adopts a conical needle to make the aramid fixation more stable, thereby effectively reducing the defective rate of the product and improving production efficiency and benefits;

[0014] (2) The utility model sharpens the blade and adds a serration shape, so that it is easier to insert into the aramid paper tube, thereby preventing the aramid from slipping and falling out;

[0015] (3) The utility model adds a spring damping device. When the blade is pressed down, the damping rod always rebounds and forms a taut state. By comparison, it can be seen that the traditional one has only one iron sheet and can only use one size of aramid. The utility model can use more sizes of aramid through the rebound of the damping rod, which greatly saves raw materials and increases production.

[0016] (4) The utility model can facilitate the installation of the damping device by changing the length and depth of the U-shaped groove, and at the same time changes the groove position from two directions to three directions. Therefore, compared with the prior art, the three-direction position is more solid than the two-direction position. It has a thorough improvement on the slippage phenomenon that occurs during the production process and is worthy of promotion and application. [Drawings]

[0017] Figure 1 It is a schematic diagram of the use of the utility model;

[0018] Figure 2 It is a schematic diagram of the prior art structure;

[0019] Figure 3 It is the installation diagram of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the spring damping device of the utility model;

[0022] In the figure: 1, spindle; 2, fixed cylinder body; 3, aramid; 2-1, mounting base; 2-2, fixed plate; 2-3, fixed plate tapered needle; 2-4, fixed cylinder; 2-5, spring damping device; 2-6, locking plate tapered needle; 2-7, anti-retraction device; 2-8, locking plate; 2-11, screw hole 1; 2-12, screw hole 2; 2-13, countersunk hole 1; 2-14, countersunk hole 2; 2-15, screw hole 3; 2-16, screw hole 4; 2-17, screw hole 5; 2-18, countersunk hole 3; 2-5.1, screw 1; 2-5 .2, blade; 2-5.3, fixing plate two; 2-5.4, sliding rod; 2-5.5, damping rod; 2-5.6, screw two; 2-5.7, fixing plate three; 2-5.8, U-shaped groove; 2-5.9, thread hole one; 2-5.10, blade serration; 2-5.11, sliding hole; 2-5.12, mounting hole one; 2-5.13, mounting hole two; 2-5.14, key pin; 2-5.15, pin buckle; 2-5.16, mounting hole three; 2-5.17, mounting hole four; 2-5.18, mounting hole five; 2-5.19, thread hole two. [Specific implementation method]

[0023] As shown in the accompanying drawings, the utility model provides an aramid pay-off device, comprising a mounting base 2-1, a fixing plate 2-2, a fixing cylinder 2-4, a locking plate 2-8 and an anti-backward device 2-7, wherein the fixing plate 2-2 is mounted on the mounting base 2-1, one end of the fixing cylinder 2-4 is fixed to the fixing plate 2-2 as a whole, a spring damping device 2-5 is provided on the fixing cylinder 2-4, the spring damping device 2-5 is used to tension the aramid 3 installed on the fixing cylinder 2-4, and the other end of the fixing cylinder 2-4 is fixed to the anti-backward device 2-7 as a whole, A fixing plate conical needle 2-3 is provided on the fixing plate 2-2, and a locking plate conical needle 2-6 is provided on the locking plate 2-8. The fixing plate conical needle 2-3 and the locking plate conical needle 2-6 are respectively connected with the two ends of the aramid 3; specifically, one end of the aramid 3 is installed to fit with the fixing plate 2-2 and embedded in the fixing plate conical needle 2-3, and the other end of the aramid 3 is locked and installed with the locking plate 2-8, and the locking plate conical needle 2-6 on the locking plate 2-8 is embedded in the other end of the aramid 3, thereby further preventing the aramid 3 from slipping and falling out.

[0024] The mounting base 2-1 is provided with a screw hole 2-12, the fixing plate 2-2 is provided with a countersunk hole 1 2-13 and a countersunk hole 2-14, the mounting base 2-1 and the fixing plate 2-2 are fixed as a whole through the screw hole 2-12 and the countersunk hole 1 2-13, the two ends of the fixing tube 2-4 are respectively provided with a screw hole 3 2-15 and a screw hole 4 2-16, one end of the fixing tube 2-4 is fixed as a whole with the fixing plate 2-2 through the screw hole 3 2-15 and the countersunk hole 2-14, and the anti-retraction device 2-7 is provided with a screw hole 3 2-15 and a screw hole 4 2-16. There is a countersunk hole three 2-18, and the other end of the fixed tube 2-4 is fixed to the anti-retraction device 2-7 as a whole through the screw hole four 2-16 and the countersunk hole three 2-18; the aramid 3 passes through the fixed tube 2-4 and is installed to fit with the fixed plate 2-2 and embedded in the conical needle 2-3 of the fixed plate, the locking plate 2-8 passes through the anti-retraction device 2-7 and is squeezed on the aramid 3 paper tube and the locking plate conical needle 2-6 is embedded in the paper tube, and the locking plate 2-8 is provided with a screw hole five 2-17, and is locked and fixed by the screw hole five 2-17.

[0025] The fixing cylinder 2-4 is provided with a U-shaped groove 2-5.8, the spring damping device 2-5 is arranged in the U-shaped groove 2-5.8 of the fixing cylinder 2-4, the bottom of the U-shaped groove 2-5.8 is provided with a thread hole 1 2-5.9 and a thread hole 2-5.19, the spring damping device 2-5 includes a screw 1 2-5.1, a blade 2-5.2, a fixing plate 2-5.3, a slide bar 2-5.4, a damping rod 2-5.5, a screw 2-5.6 and a fixing plate 3 2-5.7, and the fixing plate 3 2-5.7 is fixed At thread hole two 2-5.19, the damping rod 2-5.5 is fixed on the fixing plate three 2-5.7, the fixing plate two 2-5.3 is connected to the damping rod 2-5.5 as a whole, the blade 2-5.2 is fixed to the fixing plate two 2-5.3 as a whole, the sliding rod 2-5.4 passes through the blade 2-5.2 and is fixed at thread hole one 2-5.9, the screw one 2-5.1 is fixed on the sliding rod 2-5.4, and the fixing plate three 2-5.7 is fixed to the thread hole two 2-5.19 by the screw two 2-5.6.

[0026] The fixing plate 3 2-5.7 is fixed to the thread hole 2-5.19 by means of the screw 2-5.6. The damping rod 2-5.5 has a damping rebound characteristic and is provided with a mounting hole 2-5.13 and a mounting hole 3 2-5.16 at the upper and lower ends respectively. The damping rod 2-5.5 is fixed to the fixing plate 3 2-5.7 by means of the mounting hole 3 2-5.16, the key pin 2-5.14, the pin buckle 2-5.15 and the mounting hole 5 2-5.18. The fixing plate 2-5.3 is provided with a mounting hole 1 2-5.12. The fixing plate 2-5.3 is provided with a mounting hole 1 2-5.12, the mounting hole 2-5.13, the key pin 2-5.14, the pin buckle 2-5.15 and the mounting hole 5 2-5.18. 15 is connected as a whole with the mounting hole 2-5.13 on the damping rod 2-5.5, the blade 2-5.2 is fixed as a whole with the fixing plate 2-5.3 by welding, the sliding rod 2-5.4 passes through the sliding hole 2-5.11 of the blade 2-5.2 and is fixed on the wire hole 1 2-5.9, and the fixing plate 3 2-5.7 is fixed on the wire hole 2-5.19 by the screw 2-5.6 and the mounting hole 4 2-5.17; the blade 2-5.2 is provided with blade teeth 2-5.10 and has a cutting edge, and the spring damping device 2-5 is embedded in the aramid fiber 3 paper tube through the blade 2-5.2 and its blade teeth 2-5.10 to prevent the aramid fiber 3 from slipping and falling out.

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments:

[0028] The utility model provides an aramid pay-off device, comprising a main shaft 1, a fixed cylinder body 2 and aramid 3, the fixed cylinder body 2 is fixed on the main shaft 1, the fixed cylinder body 2 mainly comprises a mounting base 2-1, a fixed plate 2-2, a fixed plate conical needle 2-3, a fixed cylinder 2-4, a spring damping device 2-5, a locking plate conical needle 2-6, an anti-retraction device 2-7 and a locking plate 2-8, the fixed plate 2-2 is mounted on the mounting base 2-1, the mounting base 2-1 is provided with a screw hole 2-11, the fixed plate 2-2 is provided with a countersunk hole 2-13 and a countersunk hole 2-2 -14, the mounting base 2-1 and the fixing plate 2-2 are fixed as a whole through the screw hole 2-12 and the countersunk hole 1 2-13, the fixing cylinder 2-4 is provided with a screw hole 3 2-15 and a screw hole 5 2-17, the fixing cylinder 2-4 and the fixing plate 2-2 are fixed as a whole through the screw hole 3 2-15 and the countersunk hole 2-14; the fixing cylinder 2-4 is provided with a spring damping device 2-5, and the installation method is as follows: the fixing plate 3 2-5.7 is fixed to the bottom thread hole 2-5.19 through the screw 2-5.6, and the damping rod 2-5.5 is fixed to the bottom thread hole 2-5.19 through the mounting hole 3 2-5 .16, key pin 2-5.14, pin buckle 2-5.15 and mounting hole five 2-5.18 are fixed on fixing plate three 2-5.7, fixing plate two 2-5.3 is connected with mounting hole two 2-5.13 on damping rod through mounting hole one 2-5.12, mounting hole two 2-5.13, key pin 2-5.14, pin buckle 2-5.15, blade 2-5.2 is fixed with fixing plate two 2-5.3 by welding, sliding rod 2-5.4 is fixed on thread hole one 2-5.9 through sliding hole 2-5.11 of blade 2-5.2, screw one 2-5.1 is fixed on the slide bar 2-5.4, and the anti-retreat device 2-7 is provided with a countersunk hole three 2-18. The fixed tube 2-4 and the anti-retreat device 2-7 are fixed together by screw holes four 2-16 and countersunk holes three 2-18. The aramid 3 passes through the fixed tube 2-4 and is installed to fit with the fixed plate 2-2 and is embedded in the conical needle 2-3 of the fixed plate. The aramid 3 passes through the spring damping device 2-5, and the locking plate 2-8 passes through the anti-retreat device and is squeezed on the aramid 3 paper tube, and the conical needle 2-6 of the locking plate is embedded in the paper tube, and then the locking plate 2-8 is fixed by screw holes five 2-17.

[0029] The aramid pay-off device is provided with a spring damping device 2-5, a damping rod 2-5.5 is fixed on the fixed cylinder 2-4 through a fixing plate 3 2-5.7, a blade 2-5.2 and a damping rod 2-5.5 are connected together through a fixing plate 2-5.3, a spring damping device 2-5 has a damping effect, and a blade 2-5.2 is placed on the damping rod 2-5.5, so as to fix aramid cylinders of different diameters, and the aramid installation and disassembly is convenient and quick. The spring damping device 2-5.5 is fixed in the U-shaped groove of the fixed cylinder 2-4 by screws 2-5.6, and the structure is designed to be not only easy to manufacture and can be mass-produced, but also has high reliability in use and is easy to install.

[0030] The slide rod is provided with a screw thread, and the blade is provided with a slide hole. The slide rod is passed through the blade slide hole and fixed on the second thread hole at the bottom of the U-shaped groove to prevent the blade from swinging. The first screw is fixed on the slide rod to prevent the blade from slipping out of the slide rod. Through the spring damping device, when the blade is pressed down, the damping rod always keeps rebounding and forms a taut state. A fixed plate is provided with a fixed plate conical needle, and the fixed plate is fixed on the mounting base through a countersunk hole one. A locking plate is provided with a locking plate conical needle fixed on the anti-retraction device through a screw hole five, so that when the aramid is installed in the fixed tube, the fixed plate conical needle and the locking plate conical needle form a certain fixation for the aramid. The aramid pay-off is installed on the fixed plate conical needle, the locking plate conical needle and the spring damping device to form an anti-slip function, so that the aramid is firmly fixed.

[0031] When in use, the aramid passes through the fixed tube and is installed to fit with the fixed plate and is embedded into the aramid paper tube through the tapered needle of the fixed plate. At the same time, the aramid is tensioned by the spring damping device, and the blade and its serrations are embedded in the aramid paper tube. The locking plate passes through the anti-retraction device and is squeezed on the aramid paper tube, and the tapered needle of the locking plate is embedded in the paper tube. The locking plate is then fixed through screw hole five, and the aramid installation is completed.

[0032] In the aramid wire-releasing device, the aramid wire-releasing device is composed of a fixed plate conical needle, a locking plate conical needle and a spring damping device. The fixed plate conical needle is arranged on the fixed plate, the fixed plate is fixed on the mounting base through a countersunk hole 1, the locking plate conical needle is arranged on the locking plate, the locking plate is fixed on the anti-backward device through a screw hole 5, the spring damping device is arranged in the U-shaped groove of the fixed cylinder, and the spring damping device is fixed to the bottom of the U-shaped groove through a screw 2. The installation structure of the wire-releasing device is relatively simple, the investment cost is low, the effect is obvious, and it is worthy of popularization and application.

[0033] The assembly method of the utility model is as follows: the mounting base is fixed on the shaft by screws, the fixing plate and the fixing cylinder are fixed together by screws, the fixing plate is fixed on the mounting base, the spring damping device is fixed in the U-shaped groove of the fixing cylinder by screws, and then the anti-retraction device is fixed on the fixing cylinder, so that the whole device is installed.

[0034] The base of the pay-off device is installed on the shaft, and the fixed cylinder is installed on the base, the spring damping device is fixed on the fixed cylinder, the aramid cylinder is fixed by the blade, the serrations on the blade, the damping rod (elasticity of the damping rod) and the locking plate, and the anti-retraction device is fixed on the fixed cylinder, and the entire pay-off device is completed. The materials of the pay-off device can be aluminum alloy and 45 steel, which can ensure the cost and provide convenience for the promotion of the device; the pay-off device can effectively solve the problem of unstable defense line caused by the slippage of aramid pay-off, greatly improving the qualified rate of products.

[0035] In summary, the utility model relates to an aramid pay-off device in the sheathing and tight sleeve process of optical cable production, including a mounting base, a fixing plate, a fixing plate conical needle, a spring damping device, a locking plate conical needle, a locking plate and an anti-retraction device. The aramid fixing cylinder is provided with a U-shaped groove and a spring damping device and is fixed to the mounting base by screws. The fixing plate is provided with a conical needle, the fixing plate is fixed to the mounting base by screws, the locking plate is provided with a conical needle and is fixed to the anti-retraction device by screws. A thread hole is provided at the bottom of the U-shaped groove, and the fixing plate is fixed to the thread hole at the bottom of the U-shaped groove by screws and the mounting hole. The damping rod has a damping rebound characteristic and the upper and lower ends are A mounting hole is provided, the damping rod is connected to the fixing plate by a key pin and a pin buckle, the blade is provided with blade serrations and has a blade edge, the blade and the fixing plate are fixed together by welding, the fixing plate is provided with a mounting hole, the fixing plate is connected to the damping rod by a key pin and a pin buckle, the sliding rod is provided with screw teeth, the blade is provided with a sliding hole, the sliding rod is passed through the blade sliding hole and fixed on the thread hole at the bottom of the U-shaped groove to prevent the blade from swinging, and the screw is fixed on the sliding rod to prevent the blade from falling off the sliding rod. The utility model can effectively solve the slipping phenomenon occurring in the production process and thoroughly improve it, thereby effectively reducing the defective rate of products and improving production efficiency and benefits.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. The standard parts used can be purchased from the market, and special-shaped parts can be customized according to the records in the specification and drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0037] The present invention is not limited to the above-mentioned implementation modes, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention shall be considered as equivalent replacement modes and shall be included in the protection scope of the present invention.

Claims

1. An aramid pay-off device, characterized in that: The invention comprises a mounting base (2-1), a fixing plate (2-2), a fixing tube (2-4), a locking plate (2-8) and an anti-retraction device (2-7). The fixing plate (2-2) is mounted on the mounting base (2-1). One end of the fixing tube (2-4) is fixed to the fixing plate (2-2) as a whole. The fixing tube (2-4) is provided with a spring damping device (2-5). The spring damping device (2-5) is used to tension the aramid fiber (3) installed on the fixing tube (2-4). The other end of the fixing tube (2-4) is fixed to the anti-retraction device (2-7) as a whole. The fixing plate (2-2) is provided with a fixing plate conical needle (2-3). The locking plate (2-8) is provided with a locking plate conical needle (2-6). The fixing plate conical needle (2-3) and the locking plate conical needle (2-6) are respectively connected to the two ends of the aramid fiber (3) in cooperation.

2. The aramid pay-off device according to claim 1, characterized in that: One end of the aramid fiber (3) is mounted to fit the fixing plate (2-2) and is embedded in the fixing plate conical needle (2-3); the other end of the aramid fiber (3) is locked with a locking plate (2-8), and the locking plate conical needle (2-6) on the locking plate (2-8) is embedded in the other end of the aramid fiber (3).

3. The aramid pay-off device according to claim 1, characterized in that: The mounting base (2-1) is provided with a second screw hole (2-12), the fixing plate (2-2) is provided with a first countersunk hole (2-13) and a second countersunk hole (2-14), the mounting base (2-1) and the fixing plate (2-2) are fixed as a whole through the second screw hole (2-12) and the first countersunk hole (2-13), the two ends of the fixing tube (2-4) are respectively provided with a third screw hole (2-15) and a fourth screw hole (2-16), one end of the fixing tube (2-4) is fixed as a whole with the fixing plate (2-2) through the third screw hole (2-15) and the second countersunk hole (2-14), the anti-retraction device (2-7) is provided with a third countersunk hole (2-18), the other end of the fixing tube (2-4) is fixed as a whole with the anti-retraction device (2-7) through the fourth screw hole (2-16) and the third countersunk hole (2-18).

4. The aramid pay-off device according to claim 3, characterized in that: The aramid fiber (3) passes through the fixing tube (2-4) and is installed to fit with the fixing plate (2-2) and is embedded in the fixing plate conical needle (2-3); the locking plate (2-8) passes through the anti-retraction device (2-7) and is squeezed on the aramid fiber (3) paper tube and the locking plate conical needle (2-6) is embedded in the paper tube; the locking plate (2-8) is provided with a screw hole five (2-17) and is locked and fixed through the screw hole five (2-17).

5. The aramid pay-off device according to any one of claims 1 to 4, characterized in that: The spring damping device (2-5) is arranged in a U-shaped groove (2-5.8) of a fixing cylinder (2-4); a first thread hole (2-5.9) and a second thread hole (2-5.19) are arranged at the bottom of the U-shaped groove (2-5.8); the spring damping device (2-5) comprises a first screw (2-5.1), a blade (2-5.2), a second fixing plate (2-5.3), a sliding rod (2-5.4), a damping rod (2-5.5), a second screw (2-5.6) and a third fixing plate (2-5.7); the third fixing plate (2-5.7) is fixed to the second thread hole (2-5.19) ), the damping rod (2-5.5) is fixed on the fixing plate three (2-5.7), the fixing plate two (2-5.3) and the damping rod (2-5.5) are connected as a whole, the blade (2-5.2) and the fixing plate two (2-5.3) are fixed as a whole, the sliding rod (2-5.4) passes through the blade (2-5.2) and is fixed at the thread hole one (2-5.9), the screw one (2-5.1) is fixed on the sliding rod (2-5.4), and the fixing plate three (2-5.7) is fixed at the thread hole two (2-5.19) by the screw two (2-5.6).

6. The aramid pay-off device according to claim 5, characterized in that: The fixing plate 3 (2-5.7) is fixed to the thread hole 2 (2-5.19) by means of the screw 2 (2-5.6); the damping rod (2-5.5) is provided with a mounting hole 2 (2-5.13) and a mounting hole 3 (2-5.16) at the upper and lower ends respectively; the damping rod (2-5.5) is fixed to the fixing plate 3 (2-5.7) by means of the mounting hole 3 (2-5.16), the key pin (2-5.14), the pin buckle (2-5.15) and the mounting hole 5 (2-5.18); the fixing plate 2 (2-5.3) is fixed to the fixing plate 3 (2-5.7) by means of the mounting hole 1 (2-5.12), the mounting hole 2 (2-5.13), the mounting hole 3 (2-5.16), the key pin (2-5.14), the pin buckle (2-5.15) and the mounting hole 5 (2-5.18); Hole 2 (2-5.13), key pin (2-5.14), pin buckle (2-5.15) and mounting hole 2 (2-5.13) on the damping rod (2-5.5) are connected as a whole; the blade (2-5.2) and fixing plate 2 (2-5.3) are fixed as a whole by welding; the sliding rod (2-5.4) passes through the sliding hole 2-5.11 of the blade (2-5.2) and is fixed on thread hole 1 (2-5.9); the fixing plate 3 (2-5.7) is fixed on thread hole 2 (2-5.19) by screw 2 (2-5.6) and mounting hole 4 (2-5.17).

7. The aramid pay-off device according to claim 5, characterized in that: The blade (2-5.2) is provided with blade teeth (2-5.10) and a blade edge, and the spring damping device (2-5) is embedded in the aramid fiber (3) paper tube through the blade (2-5.2) and its blade teeth (2-5.10) to prevent the aramid fiber (3) from slipping and falling out.

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