Automatic pushing device for heat-shrinkable sleeve of optical fiber fusion splicer

Abstract

The invention relates to the field of fusion splicers, in particular to an optical fiber fusion splicer heat-shrinkable sleeve automatic pushing device which comprises a pushing assembly, a fusion splicer head connected to the pushing assembly, a stabilizing assembly connected to the fusion splicer head, a limiting groove formed in the fusion splicer head and a heat-shrinkable sleeve containing groove formed in the pushing assembly. According to the invention, through the design of newly added assembly limiting grooves and the cooperation of double devices. A guide structure is adopted to reduce the movement friction of the optical fiber; according to the pushing mechanism, a mechanical arm / pneumatic push rod automatically feeds the welded optical fibers into a heating furnace, an integrated sensor detects a welding completion signal, and pushing is triggered; the heat-shrinkable sleeve positioner automatically adjusts the position of the sleeve to the center of the limiting groove, and can be matched with a micro motor or a spring reset mechanism; after automatic process welding is completed, the heat-shrinkable sleeve positioner locks the position of the heat-shrinkable sleeve, the limiting groove guides the optical fiber to enter the preset track, the pushing mechanism pushes the optical fiber to the heating furnace, and manual intervention is not needed.

Description

Technical Field

[0001] The invention relates to the field of fusion splicers, in particular to an automatic pushing device for a heat shrinkable sleeve of an optical fiber fusion splicer. Background Art

[0002] At present, the optical fiber is manually placed into the fusion splicer, and the pressing plate and fusion process are automatic, but after the fusion is completed, the optical fiber needs to be manually placed in the heating furnace for heating. The problem is that the movement of the optical fiber heat shrink tubing and the positioning of the melting point are not guaranteed, and there is no automatic push device. The existing fusion splicer has many manual operation links. After fusion, the optical fiber needs to be manually moved into the heating furnace. The positioning of the heat shrink tubing depends on manual labor and is prone to deviation. There is a lack of automatic push device, which limits efficiency; the quality risk is high, and the alignment of the melting point with the center of the heat shrink tubing is not guaranteed. Manual operation is prone to vibration or contamination, affecting the quality of fusion. Summary of the invention

[0003] In order to overcome the problem that the existing welding machines lack automatic pushing devices, the melting point and the center alignment of the heat shrink tubing are not guaranteed, and manual operation is prone to introduce vibration or contamination, affecting the welding quality.

[0004] The technical solution of the present invention is: an automatic pushing device for heat shrinkable tube of optical fiber fusion splicer, comprising a pushing component, a fusion splicer head connected to the pushing component, a stabilizing component connected to the fusion splicer head, a limiting groove provided on the fusion splicer head, a heat shrinkable tube placement groove provided on the pushing component, a heating furnace connected to the fusion splicer head and a battery connected to the stabilizing component.

[0005] Preferably, the pushing assembly includes a hydraulic cylinder connected to the welding machine head, a telescopic arm connected to the hydraulic cylinder, a bearing connected to the telescopic arm, a connecting head connected to the bearing, a second motor connected to the telescopic arm, a base connected to the second motor, and a first motor connected to the base.

[0006] Preferably, the connecting head comprises a fixed shaft connected between the connecting head and the bearing, a clamp connected to the fixed shaft, and a limiting column connected to the clamp.

[0007] Preferably, the stabilizing assembly includes a main track connected to the welding machine head, a gear engaged in the main track, a third motor connected to the gear through an auxiliary bearing, a stabilizing platform connected to the third motor, a support rod connected to the stabilizing platform, a fourth motor connected to the support rod, a clamp connected to the support rod, a secondary wheel arranged at the lower end of the clamp, and a secondary track movably connected to the gear.

[0008] Preferably, the limiting groove is configured as a square groove, the lower front portion of the horizontal groove is configured as a hollow triangle, a V-shaped groove is provided at the rear end of the limiting groove, and the limiting groove and the V-shaped groove are configured to match each other.

[0009] Preferably, the base passes through the first motor, and the output shaft of the third motor is connected to the telescopic arm.

[0010] Preferably, the limiting column is configured as a square column, the limiting column is embedded in the limiting groove, and a spring and a rubber protective pad are provided in the clamp, which are matched by passing an electromagnet, and the spring is used to protect their rapid separation.

[0011] Preferably, the auxiliary bearing is embedded in a stabilizing platform, the clamping plate is configured to pass an electromagnet, and a rubber pad is bonded to the outer side, and the lower end surface of the clamping plate is connected to a support rod.

[0012] Beneficial effects of the present invention:

[0013] 1. The present invention adopts the design of the limit groove design and the coordination of the double devices through the design of the newly added components. The heat shrink sleeve is accurately positioned to ensure that it is aligned with the melting point in the center, and the guide structure is used to reduce the friction of the optical fiber movement; the push mechanism, the mechanical arm / pneumatic push rod automatically sends the fused optical fiber into the heating furnace, and the integrated sensor detects the signal of the completion of the fusion and triggers the push; the heat shrink sleeve positioner automatically adjusts the sleeve position to the center of the limit groove, which can be realized with a micro motor or a spring reset mechanism; after the automated process is completed, the heat shrink sleeve positioner locks the position of the heat shrink sleeve, the limit groove guides the optical fiber into the predetermined track, and the push mechanism pushes the optical fiber to the heating furnace, and no manual intervention is required throughout the process. Efficiency is improved, the manual transfer step is eliminated, and the single operation time is shortened by 30% to 50%; it supports continuous operation and is suitable for batch fusion scenarios; quality assurance, the limit groove + double device ensures that the sleeve is centered, and the protection rate of the fusion point is increased to more than 99%, reducing pollution or damage caused by human contact; low-cost transformation, reuse of the original power system of the fusion splicer, the new mechanical structure is simple, and the cost increase is less than 5%. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Shown is a three-dimensional structural schematic diagram of the automatic pushing device of the present invention;

[0015] Figure 2 Shown is a schematic diagram of the three-dimensional structure of the limit groove of the automatic pushing device of the present invention;

[0016] Figure 3 Shown is a schematic diagram of the three-dimensional structure of the pushing component of the automatic pushing device of the present invention;

[0017] Figure 4 Shown is a schematic diagram of the three-dimensional structure of the connecting head of the automatic pushing device of the present invention;

[0018] Figure 5 Shown is a schematic diagram of the three-dimensional structure of the stable components of the automatic pushing device of the present invention.

[0019] Explanation of the reference numerals in the accompanying drawings: 1. Pushing assembly; 2. Stabilizing assembly; 3. Limiting groove; 4. Heat shrink tubing placement groove; 5. Welding machine head; 6. Heating furnace; 7. Battery; 11. Base; 12. First motor; 13. Telescopic arm; 14. Connecting head; 15. Second motor; 16. Hydraulic cylinder; 17. Bearing; 21. Main track; 22. Third motor; 23. Fourth motor; 24. Support rod; 25. Clamp; 26. Stabilizing platform; 27. Gear; 28. Auxiliary wheel; 29. ​​Auxiliary track; 141. Limiting column; 142. Clamp; 143. Fixed shaft. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] Fiber optic fusion splicer heat shrink tubing automatic push device, according to Figure 1-5 As shown, it includes a pushing component 1, a welding machine head 5 connected to the pushing component 1, a stabilizing component 2 connected to the welding machine head 5, a limiting groove 3 opened on the welding machine head 5, a heat shrink tube placement groove 4 opened on the pushing component 1, a heating furnace 6 connected to the welding machine head 5, and a battery 7 connected to the stabilizing component 2.

[0022] It should be noted that the motor 15 of the pushing mechanism 1 rotates the telescopic arm 13 to 10 degrees-15 degrees, leaving space for the placement of the optical fiber and the heat shrinkable tube, so that the optical fiber with the heat shrinkable tube is placed in the heat shrinkable tube placement groove 4. When the optical fiber fusion splicer is fusion splicing, the heat shrinkable tube is placed in the heat shrinkable tube placement groove 4, and the sensing device triggers the sensor. The motor 15 of the pushing mechanism 1 rotates and recovers, that is, it descends and starts the machine head to shrink the machine head 14 clamp 141 to fix the heat shrinkable tube. The optical fiber in the heat shrinkable tube can move freely without affecting the movement of the optical fiber docking during optical fiber fusion splicing. After the optical fiber fusion splicer is fusion spliced, the clamp of the left stabilizing device 2 is embedded with a rubber pad to protect the optical fiber from being crushed and the distance between the two clamps is reduced. The strength of the clamp keeps the optical fiber motionless to prevent it from being crushed and broken; the windshield opens automatically, and the large pressure plates on both sides open automatically at the same time. The fused optical fiber is protected by the stabilizing device 2 on the left, thereby achieving a limit protection function.

[0023] according to Figure 2 As shown, the pushing assembly 1 includes a hydraulic cylinder 16 connected to the welding machine head 5, a telescopic arm 13 connected to the hydraulic cylinder 16, a bearing 17 connected to the telescopic arm 13, a connecting head 14 connected to the bearing 17, a second motor 15 connected to the telescopic arm 13, a base 11 connected to the second motor 15, and a first motor 12 connected to the base 11.

[0024] It should be noted that the motor 15 of the pushing mechanism 1 works, and the shaft of the motor 15 drives the telescopic arm 13 to rise by about 5-10 degrees. In order to keep the optical fiber level, the motor 21 of the right stabilizing device 2 rises by 3-5 cm at the same time, and the optical fiber at the melting point position is higher than the height of the V-groove, ensuring that the melting point of the optical fiber after fusion is not hung up by the V-groove or the steel needle during the movement, thereby protecting the optical fiber fusion point; the forward movement trajectory 1, the telescopic arm 13 of the pushing mechanism 1 is driven by the hydraulic device 16, the telescopic arm 13 extends the swing arm and moves toward the heating furnace 6, and the head 14 is limited to move forward in the limit groove 3 (limit The groove 3 is a square groove, and the square columnar limit rod 141 of the machine head 14 is embedded in the limit groove 3 to ensure that the machine head 14 moves according to the direction of the limit groove 3 during movement and cannot rotate, thereby achieving the horizontal state of the heat shrinkable tube and the optical fiber. The machine head 14 and the telescopic arm 13 are rotated by the bearing 17 and the shaft 143 to achieve the rotation, thereby achieving the movement of the machine head 14) and moving toward the heating furnace; while the pushing mechanism 1 extends the swing arm, the motor 22 of the right stabilizing device 2 rotates and uses the gear to move toward the heating furnace 6 on the track 23, allowing the optical fiber and the heat shrinkable tube to move toward the heating furnace (the optical fiber remains in a horizontal state). The push mechanism 1 and the right stabilizing device 2 keep the heat shrink tube and the optical fiber in a plane and push forward during the movement. The motor 15 of the push mechanism 1 needs to rotate at an appropriate angle to ensure the height of the head 14 during the extension of the telescopic arm 13, while the motor 21 of the right stabilizing device 2 remains unchanged; the leftward movement trajectory, the forward movement reaches the left highest point of the limit slot limit 3, the stabilizing device 2 stops moving, the shrinking fixture limits the optical fiber, the base 11 of the push mechanism 1 rotates clockwise and the telescopic arm 13 extends the swing arm (synchronously), the head 14 is limited to move rightward in the limit slot, the heat shrink tube space of the heat shrink tube is relatively large and the material is solid plastic, relatively smooth, and the friction is relatively small, which can be ignored, and will not cause the optical fiber to bend and further cause the fusion point to break. When the heat shrink tube moves to the middle position, the head 14 of the push mechanism 1 reaches the middle position of the limit slot 3, the optical fiber and the heat shrink tube are in the second horizontal position, the head 14 moves to the highest point in the middle of the limit slot 3, and the heat shrink tube of the head of the push mechanism is just above the heating furnace.

[0025] according to Figure 2 As shown, the connecting head 14 includes a fixed shaft 143 connected between the connecting head 14 and the bearing 17 , a clamp 142 connected to the fixed shaft 143 , and a limiting column 141 connected to the clamp 142 .

[0026] It should be noted that the clamp of the stabilizing device 2 opens and descends (the clamp 23 opens, the motor 21 drives the support rod 24 to descend, the base of the pressure plate mechanism of the heating furnace will block the descent of the optical fiber, and the support rod 24 descends to a height that ensures that the support rod 14 moves without contacting the optical fiber, or the height is lower than the horizontal position of the optical fiber; the height of the heating furnace 6 is appropriately increased on the original basis), and the pushing mechanism 1, driven by the motor 15, descends the height of the telescopic arm 13 (the hydraulic device 16 drives the base 11 to descend to a certain height), and releases the clamp 142 of the head 14 to an appropriate height, and puts the heat shrinkable sleeve into the V-groove of the heating furnace 6. The heat shrinkable sleeve is equivalent to being put into the V-groove without a drop, which further protects the optical fiber fusion point. At the same time, the motor 15 of the pushing mechanism 1 of the heating furnace 6 rises rapidly (about 20 degrees, the limit rod 141 leaves the limit groove 3), and the cover plate of the heating furnace 6 falls to make room. The heat shrinkable sleeve triggers the sensor, and the pressure plates on both sides fall automatically. The heating furnace 6 starts heating, and the optical fiber and the heat shrinkable sleeve are in the third horizontal position.

[0027] according to Figure 1 and Figure 3 As shown, the stabilizing assembly 2 includes a main track 21 connected to the welding machine head 5, a gear 27 engaged with the main track 21, a third motor 22 connected to the gear 27 through an auxiliary bearing, a stabilizing platform 26 connected to the third motor 22, a support rod 24 connected to the stabilizing platform 26, a fourth motor 23 connected to the support rod 24, a clamp 25 connected to the support rod 24, a secondary wheel 28 arranged at the lower end of the clamp 25, and a secondary track 29 movably connected to the gear 27.

[0028] It should be noted that the motor 22 of the stabilizing device 2 reverses and moves to the first horizontal position of the initial position of the optical fiber (the X-axis of the fusion splicer), and the stabilizing device 2 returns to its original position and waits for the next fusion to push the optical fiber and the heat shrink tubing. The base 11 of the pushing mechanism 1 rotates counterclockwise to 90 degrees, and the telescopic arm 13 of the pushing mechanism 1 contracts under the drive of the hydraulic device 16. The motor 15 rotates to make the telescopic arm 13 descend, and the elevation angle of the telescopic arm 13 is 5-10 degrees. The limit rod 141 falls into the limit groove 3, and the pushing mechanism 1 is reset to prepare for the next fiber push after fusion.

[0029] according to Figure 1 and Figure 3 As shown, the limiting groove 3 is configured as a square groove, the lower front part of the horizontal groove is configured as a triangular hollow, and a V-shaped groove is provided at the rear end of the limiting groove 3, and the limiting groove 3 and the V-shaped groove are configured to be matched.

[0030] according to Figure 1 and Figure 3 As shown, the base 11 passes through the first motor 12 , and the output shaft of the third motor 22 is connected to the telescopic arm 13 .

[0031] according to Figure 2As shown, the limiting column 141 is set as a square column, the limiting column 141 is embedded in the limiting groove 3, and a spring and a rubber protective pad are set in the clamp 142, which are matched by passing an electromagnet, and the spring is used to protect its rapid separation.

[0032] according to Figure 2 As shown, the auxiliary bearing is embedded in the stabilizing platform 26 , the clamping plate 25 is configured to pass the electromagnet, and a rubber pad is bonded to the outside, and the lower end surface of the clamping plate 25 is connected to the support rod 24 .

[0033] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The automatic pushing device of heat shrink tubing for optical fiber fusion splicer is characterized by: The invention comprises a pushing component (1), a welding machine head (5) connected to the pushing component (1), a stabilizing component (2) connected to the welding machine head (5), a limiting groove (3) provided on the welding machine head (5), a heat shrink tube placement groove (4) provided on the pushing component (1), a heating furnace (6) connected to the welding machine head (5), and a battery (7) connected to the stabilizing component (2).

2. The automatic pushing device for heat shrinkable tube of optical fiber fusion splicer according to claim 1, characterized in that: The pushing assembly (1) comprises a hydraulic cylinder (16) connected to a welding machine head (5), a telescopic arm (13) connected to the hydraulic cylinder (16), a bearing (17) connected to the telescopic arm (13), a connecting head (14) connected to the bearing (17), a second motor (15) connected to the telescopic arm (13), a base (11) connected to the second motor (15), and a first motor (12) connected to the base (11).

3. The automatic pushing device for heat shrinkable tube of optical fiber fusion splicer according to claim 2, characterized in that: The connecting head (14) comprises a fixed shaft (143) connected between the connecting head (14) and a bearing (17), a clamp (142) connected to the fixed shaft (143), and a limiting column (141) connected to the clamp (142).

4. The automatic pushing device for heat shrinkable tube of optical fiber fusion splicer according to claim 1, characterized in that: The stabilizing assembly (2) comprises a main track (21) connected to a welding machine head (5), a gear (27) engaged with the main track (21), a third motor (22) connected to the gear (27) via an auxiliary bearing, a stabilizing platform (26) connected to the third motor (22), a support rod (24) connected to the stabilizing platform (26), a fourth motor (23) connected to the support rod (24), a clamping plate (25) connected to the support rod (24), a secondary wheel (28) arranged at the lower end of the clamping plate (25), and a secondary track (29) movably connected to the gear (27).

5. The automatic pushing device for heat shrinkable tube of optical fiber fusion splicer according to claim 1, characterized in that: The limiting groove (3) is configured as a square groove, the lower front portion of the horizontal groove is configured as a hollow triangle, the rear end of the limiting groove (3) is provided with a V-shaped groove, and the limiting groove (3) and the V-shaped groove are configured to match each other.

6. The automatic pushing device for heat shrinkable tube of optical fiber fusion splicer according to claim 2, characterized in that: The base (11) passes through the first motor (12).

7. The automatic pushing device for heat shrinkable tube of optical fiber fusion splicer according to claim 3, characterized in that: The limiting column (141) is configured as a square column, the limiting column (141) is embedded in the limiting groove (3), a spring and a rubber protective pad are provided in the clamp (142), which are matched by passing an electromagnet, and the spring is used to protect their rapid separation.

8. The automatic pushing device for heat shrinkable tube of optical fiber fusion splicer according to claim 4, characterized in that: The auxiliary bearing is embedded in the stabilizing platform (26), the clamping plate (25) is configured to pass an electromagnet and has a rubber pad bonded to the outside, and the lower end surface of the clamping plate (25) is connected to the support rod (24).

Images