阅读说明：本技术 一种高速光纤二次套塑生产线专用牵引装置 (Special traction device for high-speed optical fiber secondary coating production line ) 是由 陈国庆 司树华 周平 于 2020-08-03 设计创作，主要内容包括：本发明公开了一种高速光纤二次套塑生产线专用牵引装置,包括立柱,所述立柱上安装有平移机构,所述平移机构包括导轨,所述导轨一端的下侧安装有平移电机,所述平移电机驱动安装有链轮,且链轮位于导轨一端的内部,所述导轨另一端的内部安装有张紧轮,且张紧轮与链轮通过链条传动,所述链条上安装有滑车,且滑车滑动设置在导轨的上侧,所述滑车的上侧安装有升降电机,所述升降电机底部的一侧安装有牵引机构；本方案的牵引装置可实现用弹性拉伸的工艺方法来产生光纤余长,有利于提高光纤套塑生产速度和精确控制PBT套管中光纤余长,使光纤套管结晶速度提高、回缩减小,使光纤余长更加稳定。(The invention discloses a special traction device for a high-speed optical fiber secondary coating production line, which comprises an upright post, wherein a translation mechanism is arranged on the upright post, the translation mechanism comprises a guide rail, a translation motor is arranged on the lower side of one end of the guide rail, a chain wheel is arranged in the translation motor in a driving manner, the chain wheel is positioned in one end of the guide rail, a tension pulley is arranged in the other end of the guide rail, the tension pulley and the chain wheel are in transmission through a chain, a pulley is arranged on the chain, the pulley is arranged on the upper side of the guide rail in a sliding manner, a lifting motor is arranged on the upper side of the pulley, and a; the traction device can realize the production of the excess length of the optical fiber by using an elastic stretching process method, is beneficial to improving the production speed of optical fiber plastic coating and accurately controlling the excess length of the optical fiber in the PBT sleeve, improves the crystallization speed of the optical fiber sleeve, reduces the retraction, and makes the excess length of the optical fiber more stable.)

1. A special traction device for a high-speed optical fiber secondary coating production line, which comprises a vertical column (1), it is characterized in that the upright post (1) is provided with a translation mechanism which comprises a guide rail (2), a translation motor (201) is arranged on the lower side of one end of the guide rail (2), a chain wheel (202) is arranged on the translation motor (201) in a driving way, and the chain wheel (202) is positioned inside one end of the guide rail (2), a tension wheel (203) is arranged inside the other end of the guide rail (2), the tension wheel (203) and the chain wheel (202) are driven by a chain (204), a pulley (6) is arranged on the chain (204), the pulley (6) is arranged on the upper side of the guide rail (2) in a sliding way, the upper side of the pulley (6) is provided with a lifting motor (3), a traction mechanism (5) is arranged on one side of the bottom of the lifting motor (3);

the pulley (6) comprises a sliding table (601) covered on the upper side of the guide rail (2), an upper pressing wheel (602) in rolling contact with the guide rail (2) is installed on the upper side of the sliding table (601), a side pressing wheel (603) in rolling contact with the guide rail (2) and a limiting wheel (604) located on the other side of the sliding table (601) are installed on one side of the sliding table (601), the pulley (6) further comprises a chain connecting plate (605) fixedly installed with the chain (204), the chain connecting plate (605) is located on the inner side of the guide rail (2), and the chain connecting plate (605) is fixed with one side, close to the limiting wheel (604), of the sliding table (601) at the same time;

the upper side of the lifting motor (3) is provided with a lifting mechanism, the lifting mechanism comprises a lifting motor (301), the lifting motor (301) is driven to be provided with an air rod (302), the air rod (302) is in threaded installation with the upper part of the traction support (4), and the traction support (4) is in sliding installation with the lifting motor (3) through two sliding rails (303);

the traction mechanism (5) comprises a traction motor (501) fixedly installed with the traction support (4), an upper wheel frame (502), a lower wheel frame (503), a three-axis cylinder (504) and four traction wheels (505), the traction motor (501) is driven to be installed with a synchronous wheel (506), a shell of the three-axis cylinder (504) is fixedly installed with the upper wheel frame (502), the driving end of the shell of the three-axis cylinder is fixedly installed with the lower wheel frame (503), two traction wheels (505) are rotatably installed with the upper wheel frame (502), the other two traction wheels (505) are rotatably installed with the lower wheel frame (503), and the synchronous wheel (506) is simultaneously driven with the two traction wheels (505) on the upper wheel frame (502) through the synchronous belt (507).

2. The special traction device for the high-speed optical fiber secondary plastic coating production line according to claim 1, wherein a transverse groove is formed in one side, facing the limiting wheel (604), of the guide rail (2), the chain connecting plate (605) is fixed to one side, close to the limiting wheel (604), of the sliding table (601) through a mounting part, and the mounting part moves in the transverse groove.

3. The special traction device for the high-speed optical fiber secondary coating production line according to claim 1, wherein the number of the upper pinch rollers (602) is two, the number of the side pinch rollers (603) is two, and the number of the limiting wheels (604) is two.

4. The special traction device for the high-speed optical fiber secondary plastic coating production line according to claim 1, wherein the bottom end of the lifting motor (3) is fixedly installed with the sliding table (601) through a base.

5. The special traction device for the high-speed optical fiber secondary coating production line according to claim 1, wherein the air rod (302) is in threaded installation with the upper part of the traction bracket (4) through a threaded sleeve, and the outer wall of the threaded sleeve is rotatably installed with the upper part of the traction bracket (4).

6. The special traction device for the high-speed optical fiber secondary coating production line according to claim 1, wherein a sliding block is fixed on the traction bracket (4), and the sliding block slides in the sliding rail (303).

7. The special traction device for the high-speed optical fiber secondary coating production line according to claim 1, wherein the traction mechanism (5) is fixedly mounted with the bottom of the traction bracket (4) through a fixing member, and the fixing member is simultaneously fixedly mounted with the upper wheel frame (502).

Technical Field

The invention relates to the technical field of optical fibers, in particular to a special traction device for a high-speed optical fiber secondary plastic coating production line.

Background

In the optical cable manufacturing process, the optical fiber secondary plastic coating production process is a key process, wherein the precise control of the excess length of the optical fiber in the loose tube is also a key technical point. At present, with the continuous development and progress of optical cable manufacturing equipment and process technology in China, the running speed of an optical fiber secondary plastic coating production line is improved from the initial 250mpm to the current 600mpm, and some production lines of 800mpm have been developed, but certain gap exists in the aspects of accurate control and uniform stability of the extra length of optical fibers in a sleeve.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a special traction device for a high-speed optical fiber secondary plastic coating production line.

In order to achieve the purpose, the invention adopts the following technical scheme:

a special traction device for a high-speed optical fiber secondary coating production line comprises an upright post, wherein a translation mechanism is installed on the upright post, the translation mechanism comprises a guide rail, a translation motor is installed on the lower side of one end of the guide rail, a chain wheel is installed in the translation motor in a driving mode and located inside one end of the guide rail, a tension wheel is installed inside the other end of the guide rail, the tension wheel and the chain wheel are in chain transmission, a pulley is installed on a chain and is arranged on the upper side of the guide rail in a sliding mode, a lifting motor is installed on the upper side of the pulley, and a traction mechanism is installed on one side of the;

the pulley comprises a sliding table covered on the upper side of the guide rail, an upper pressing wheel in rolling contact with the guide rail is installed on the upper side of the sliding table, a side pressing wheel in rolling contact with the guide rail and a limiting wheel positioned on the other side of the sliding table are installed on one side of the sliding table, the pulley further comprises a chain connecting plate fixedly installed with a chain, the chain connecting plate is positioned on the inner side of the guide rail, and the chain connecting plate is fixed with one side, close to the limiting wheel, of the sliding table;

the upper side of the lifting motor is provided with a lifting mechanism, the lifting mechanism comprises a lifting motor, the lifting motor is driven to be provided with a gas rod, the gas rod is in threaded installation with the upper part of the traction support, and the traction support is in sliding installation with the lifting motor through two sliding rails;

the traction mechanism comprises a traction motor fixed with a traction support, and further comprises an upper wheel frame, a lower wheel frame, a three-axis cylinder and four traction wheels, wherein the traction motor is driven to be installed with a synchronizing wheel, a shell of the three-axis cylinder is fixedly installed with the upper wheel frame, a driving end of the three-axis cylinder is fixedly installed with the lower wheel frame, two traction wheels are rotatably installed with the upper wheel frame, the other two traction wheels are rotatably installed with the lower wheel frame, and the synchronizing wheel is simultaneously driven by the two traction wheels on the upper wheel frame through a synchronous belt.

Further, the guide rail runs through towards one side of spacing round and has seted up the transverse groove, the chain connecting plate passes through the installed part and fixes with one side that the slip table is close to spacing round, the installed part removes in the transverse groove.

Furthermore, the number of the upper pinch rollers is two, the number of the side pinch rollers is two, and the number of the limiting wheels is two.

Furthermore, the bottom end of the lifting motor is fixedly installed with the sliding table through a base.

Furthermore, the air rod is installed with the upper portion of the traction support through a thread sleeve in a threaded mode, and the outer wall of the thread sleeve is installed with the upper portion of the traction support in a rotating mode.

Furthermore, the traction bracket is fixed with a sliding block, and the sliding block slides in the sliding rail.

Furthermore, the traction mechanism is fixedly installed at the bottom of the traction support through a fixing piece, and the fixing piece is fixedly installed with the upper wheel frame.

Compared with the prior art, the invention has the beneficial effects that:

1. compared with the optical fiber extra length control technology of the traditional optical fiber secondary plastic coating production line, in a hot water tank above 45 ℃ (the glass transition temperature of the PBT sleeve), the loose sleeve is elastically stretched to accelerate the crystallization speed of the PBT, and the backward retraction of the PBT sleeve is reduced;

2. the paired wheel pressing device is adopted to ensure that the appearance of the loose tube is round and the loose tube obtains accurate size, and meanwhile, the clamping (holding) of the loose tube is beneficial to the elastic stretching of the loose tube;

3. the compressing and stretching traction device is provided with a plurality of (double-wheel) warm water cooling traction devices, so that on one hand, the crystallinity of the optical fiber sleeve is improved, the retraction is reduced, and the excess length of the optical fiber is more stable; on the other hand, the optical fiber sleeve is arranged in a multi-channel warm water cooling box, the cooling length and the cooling time are greatly increased, the control of the excess length of the optical fiber is facilitated, the production speed of optical fiber secondary plastic coating can be greatly improved, the optical fiber sleeve is an optimized advanced optical fiber plastic coating process technology, and the optical fiber sleeve has extremely high use value and popularization value.

In conclusion, the traction device can realize the production of the excess length of the optical fiber by using an elastic stretching process method, is beneficial to improving the production speed of optical fiber plastic coating and accurately controlling the excess length of the optical fiber in the PBT sleeve, improves the crystallization speed of the optical fiber sleeve, reduces the retraction, and makes the excess length of the optical fiber more stable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall structure of a special traction device for a high-speed optical fiber secondary coating production line according to the present invention;

FIG. 2 is a left side view of a special traction device for a high-speed optical fiber secondary coating production line according to the present invention;

FIG. 3 is a schematic structural view of the translation mechanism of FIG. 1;

FIG. 4 is a schematic structural view of the traction mechanism of FIG. 1;

FIG. 5 is a left side view of the traction mechanism;

FIG. 6 is a left side view of the carriage mechanism of FIG. 1;

FIG. 7 is a left side view of the carriage mechanism;

FIG. 8 is a schematic view of the construction of the traction wheel;

FIG. 9 is a schematic view of the process equipment components of a high-speed optical fiber secondary coating production line.

In the figure: the device comprises a vertical column 1, a guide rail 2, a translation motor 201, a sprocket 202, a tension pulley 203, a chain 204, a lifting support 3, a lifting motor 301, a screw rod 302, a slide rail 303, a traction support 4, a traction mechanism 5, a traction motor 501, an upper wheel frame 502, a lower wheel frame 503, a three-axis cylinder 504, a traction wheel 505, a synchronous wheel 506, a synchronous belt 507, a pulley 6, a sliding table 601, an upper pinch roller 602, a side pinch roller 603, a spacing wheel 604 and a chain connecting plate 605.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-8, a special traction device for a high-speed optical fiber secondary coating production line comprises an upright post 1, wherein a translation mechanism is arranged on the upright post 1, the translation mechanism comprises a guide rail 2, a translation motor 201 is arranged on the lower side of one end of the guide rail 2, a chain wheel 202 is arranged on the translation motor 201 in a driving manner, the chain wheel 202 is positioned inside one end of the guide rail 2, a tension pulley 203 is arranged inside the other end of the guide rail 2, the tension pulley 203 and the chain wheel 202 are driven by a chain 204, a pulley 6 is arranged on the chain 204, the pulley 6 is arranged on the upper side of the guide rail 2 in a sliding manner, a lifting motor 3 is arranged on the upper side;

the pulley 6 comprises a sliding table 601 covered on the upper side of the guide rail 2, an upper pressing wheel 602 in rolling contact with the guide rail 2 is installed on the upper side of the sliding table 601, a side pressing wheel 603 in rolling contact with the guide rail 2 and a limiting wheel 604 positioned on the other side of the sliding table 601 are installed on one side of the sliding table 601, the pulley 6 further comprises a chain connecting plate 605 fixedly installed with the chain 204, the chain connecting plate 605 is positioned on the inner side of the guide rail 2, and the chain connecting plate 605 is fixed with one side of the sliding table 601 close to the limiting wheel 604;

the upper side of the lifting motor 3 is provided with a lifting mechanism, the lifting mechanism comprises a lifting motor 301, the lifting motor 301 is driven to be provided with an air rod 302, the air rod 302 is in threaded installation with the upper part of the traction support 4, and the traction support 4 is in sliding installation with the lifting motor 3 through two sliding rails 303;

the traction mechanism 5 comprises a traction motor 501 fixedly mounted with the traction bracket 4, and further comprises an upper wheel frame 502, a lower wheel frame 503, a three-axis cylinder 504 and four traction wheels 505, the traction motor 501 is provided with a synchronous wheel 506 in a driving manner, the housing of the three-axis cylinder 504 is fixedly mounted with the upper wheel frame 502, the driving end of the three-axis cylinder is fixedly mounted with the lower wheel frame 503, two traction wheels 505 are rotatably mounted with the upper wheel frame 502, the other two traction wheels 505 are rotatably mounted with the lower wheel frame 503, and the synchronous wheel 506 is simultaneously driven with the two traction wheels 505 on the upper wheel frame 502 through a synchronous belt 507.

Further, a transverse groove is formed in one side, facing the limiting wheel 604, of the guide rail 2 in a penetrating mode, the chain connecting plate 605 is fixed to one side, close to the limiting wheel 604, of the sliding table 601 through the mounting part, and the mounting part moves in the transverse groove.

Furthermore, the number of the upper pressing wheels 602 is two, the number of the side pressing wheels 603 is two, and the number of the limiting wheels 604 is two.

Further, the bottom end of the lifting motor 3 is fixedly installed with the sliding table 601 through a base.

Further, the air rod 302 is threadedly mounted with the upper portion of the towing bracket 4 through a threaded sleeve, and the outer wall of the threaded sleeve is rotatably mounted with the upper portion of the towing bracket 4.

Further, the traction bracket 4 is fixed with a slider, and the slider slides in the slide rail 303.

Further, the traction mechanism 5 is fixedly mounted to the bottom of the traction frame 4 by a fixing member, and the fixing member is also fixedly mounted to the upper wheel frame 502.

The working principle and the using process of the invention are as follows:

1. the translation of the traction device in a hot water tank (not shown in the figure of the scheme) is driven by a translation mechanism driven by a chain 204 and a translation motor 201 to move horizontally;

2. the lifting motor 301 drives the traction bracket 4 and the traction mechanism 5 to lift through the transmission of the screw rod 302;

3. the traction mechanism 5 comprises two traction wheels 505 with arc grooves, and is divided into an upper group and a lower group; a three-axis cylinder 504 and a pressure sensor are used between an upper traction wheel group and a lower traction wheel group 505 to control pressing force;

4. the traction mechanism 5 is driven by a traction motor 501, and the traction mechanism pulls the optical fiber sleeve to move stably at a high speed under the control of a driving instruction of an intelligent controller (which can be installed at the upper part of the lifting bracket 3 and is not shown in the scheme).

The intelligent controller comprises the following components and functions: the traction speed and the compaction pressure of the device are controlled by advanced production process control software and the whole production line in a coordinated way, and a control system is respectively composed of a tension sensor, a pressure sensor, a signal processor, a logic control module, a PID controller, a servo motor and the like.

For a better understanding of the present solution, fig. 9 is provided: the schematic diagram of the process equipment composition of the high-speed optical fiber secondary plastic coating production line is used for understanding the specific function of the scheme in the high-speed optical fiber secondary plastic coating production line.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.