CN112279005B - Fixture and method for automatically arranging optical fibers - Google Patents

Abstract

The invention discloses a fixture for automatically arranging optical fibers and a method thereof. It comprises a base, a fiber cluster vibrating feeding device is arranged on the base, and an optical fiber arranging device is arranged spaced apart from the vibrating feeding device. An arrangement conveying mechanism perpendicular to the direction of the optical fiber, the arrangement conveying mechanism at least comprises a first belt clamping arrangement conveying mechanism and a second belt clamping arrangement conveying mechanism. The vibrating feeding device of the fixture and the spacer fiber feeding channel mechanism are arranged to realize two-point support for the optical fiber, which is conducive to the dispersion of the optical fiber cluster on the optical fiber feeding channel mechanism after the fiber cluster passes through the vibration, and realizes a single fiber from the top The lower part falls onto the arrangement conveying mechanism through the optical fiber feed flow channel mechanism. Simple and compact structure. Two sets of belt clamping arrangement and conveying mechanism can flexibly clamp the incoming single optical fiber without damaging the optical fiber.

Description

Fixture and method for automatically arranging optical fibers

technical field

The invention belongs to an optical fiber cluster feeding technology in the optical fiber processing process, in particular to a technology for realizing the optical fiber cluster feeding and flattening a plurality of arranged single optical fibers in the process of removing the optical fiber coating layer by using a laser.

Background technique

At present, the traditional laser removal of optical fiber coating is a single operation. With the widespread use of optical fibers, this low-efficiency processing method is increasingly unable to meet the requirements of enterprises. The methods and fixtures for removing the coating layer, some of which use the chemical corrosion soaking method to remove the optical fiber coating layer, although the efficiency is improved, it greatly increases the environmental pollution, and at the same time brings great harm to the health of the employees. hidden danger. How to call the optical fiber cluster also called bundled optical fiber, that is, a plurality of optical fibers to form an optical fiber cluster, and a single optical fiber to be laid out to form an arrangement is a problem that needs to be solved in the industry at present.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a fixture and a method for automatically arranging optical fibers by spreading out a fiber cluster to form an arranged single optical fiber, so as to realize the rapid expansion of the optical fiber cluster to form an arranged single optical fiber.

One of the technical solutions of the present invention: an automatic optical fiber arrangement fixture, which includes a base, on which is provided a fiber cluster vibrating feeding device, an optical fiber arranging device spaced from the vibrating feeding device, and the optical fiber arranging device includes an optical fiber feeding channel The discharge end of the optical fiber feeding channel mechanism is provided with an arrangement and conveying mechanism perpendicular to the direction of the optical fiber. The arrangement and conveying mechanism at least includes a first belt clamping arrangement conveying mechanism and a second belt clamping arrangement conveying mechanism.

Fiber clusters are also called bundled fibers, that is, multiple fibers form fiber clusters

The optical fiber cluster vibrating feeding device can use a commercially available direct vibrator (also called a direct vibrator).

The vibrating feeding device of the fixture and the spaced optical fiber feeding channel mechanism are arranged to realize two-point support for the optical fiber, which is conducive to the dispersion of the optical fiber cluster on the optical fiber feeding channel mechanism after the optical fiber cluster passes through the vibration, and realizes a single fiber from the top. The lower part falls onto the arrangement conveying mechanism through the optical fiber feed flow channel mechanism. Simple and compact structure. The two sets of belt clamping arrangement conveying mechanism can flexibly clamp the incoming single optical fiber without damaging the optical fiber. Drift when arranging the conveying mechanism to improve the stability of the optical fiber clamping, which is beneficial to move the optical fiber arrangement laterally (perpendicular to the light direction) and avoid the crossing of a single optical fiber.

The preferred technical feature of the present invention is that: the optical fiber feed flow channel mechanism includes a fiber cluster inlet part with a wide upper part and a narrow lower part, and the lower end of the optical fiber cluster inlet part is provided with a slot flow channel for a single optical fiber.

The entrance part of the fiber cluster, which is wide at the top and narrow at the bottom, can support the bundled fibers, and the slot flow channel of the single fiber at the lower end only allows one fiber to pass through, which can avoid the overlapping of the fibers into the belt clamping arrangement conveying mechanism.

The preferred technical feature of the present invention is that the slot flow channel includes a single fiber fast-moving section connected with the inlet of the fiber cluster at one end, and a slow-moving section connected with the other end of the single fiber fast-moving section.

The fast-moving section of the single optical fiber includes a slot perpendicular to the horizontal plane, and the slow-moving section communicated with the end of the fast-moving section of the single optical fiber includes a slot inclined to the horizontal plane.

The above-mentioned fast-moving section of the single optical fiber realizes the rapid fall of the single optical fiber with dispersed vibration, avoiding the congestion at the end of the entrance of the optical fiber cluster, and the slow-moving section reduces the falling speed, which is conducive to the sorting and clamping of the single optical fiber on the belt clamping arrangement conveying mechanism. Avoid the fiber falling too fast, overlapping on the belt clamping arrangement and conveying mechanism, resulting in intersection.

The preferred technical feature of the present invention is that: the optical fiber feed flow channel mechanism includes a flow channel plate, the upper part of the flow channel plate is provided with an optical fiber cluster inlet part with a wide upper part and a narrow lower part, and the flow channel plate at the lower end of the optical fiber cluster inlet part is provided with a slit flow guide.

The optical fiber feed flow channel mechanism is formed on the plate-shaped body, which is beneficial to the processing, installation and adjustment of the flow channel. The flow channel plate can be processed on an integral plate-shaped body to form a fiber feed flow channel, or two plate-shaped bodies can be assembled to form a fiber feed flow channel.

The preferred technical feature of the present invention is that the width of the slit flow channel is greater than the diameter of an optical fiber and less than twice the diameter of the optical fiber. This ensures that the slotted flow channel only allows one fiber to pass through at a time.

The preferred technical feature of the present invention is that at least one of the alignment and conveying mechanisms is fixed, and at least another alignment and conveying mechanism is provided on a movable mechanism.

In this way, the distance between the two arranging and conveying mechanisms can be adjusted to meet the requirements of different processing conditions, especially the different requirements during the optical fiber arranging process and after the sorting is completed.

The preferred technical feature of the present invention is that: the arrangement and conveying mechanism includes a support frame, a fixed plate on the support frame, and the fixed plate is provided with a first belt to clamp the arrangement and conveying mechanism; the support frame is also provided with a moving plate parallel to the fixed plate , the moving plate is provided with a second belt clamping arrangement and conveying mechanism, and the moving plate is arranged on the track.

Two sets of belt clamping arrangement conveying mechanisms are respectively arranged on the plate body, which is convenient for installation and adjustment operation.

The preferred technical feature of the present invention is that: the optical fiber feed flow channel mechanism is connected with a fixing plate, and the fixed plate is located below the slot flow channel of the optical fiber feed flow channel mechanism with an optical fiber arrangement slot.

Connecting the optical fiber feed flow channel mechanism with the fixing plate simplifies the structure, facilitates the connection and installation of components, and realizes a compact structure.

The preferred technical feature of the present invention is that: the belt clamping arrangement conveying mechanism of the arrangement conveying mechanism comprises a lower belt arrangement conveying mechanism and an upper belt arrangement conveying mechanism, and the lower belt arrangement conveying mechanism and the upper belt arrangement conveying mechanism are adjacent to each other. Fits parallel to the upper belt.

The lower belt and the upper belt that are close to each other are attached in parallel to realize the flexible clamping of the optical fiber and avoid the damage to the optical fiber caused by the hard clamping of the optical fiber.

The preferred technical feature of the present invention is that the optical fiber feed flow channel mechanism further includes a flow channel blocking mechanism. The flow channel blocking mechanism is used to close the optical fiber feed flow channel, which usually occurs before the initial processing or after the processing or during the processing. A blocking device with telescopic function, such as a cylinder; or a blocking device with a rotating plate, can be used.

The second technical solution of the present invention is an automatic optical fiber arrangement method, which is based on the above-mentioned fixture. After placing the optical fiber cluster between the direct vibration feeding device and the optical fiber feeding channel mechanism, the vibration feeding device is activated, and the optical fiber cluster vibrates. Under the action, a single optical fiber enters the two arrangement conveying mechanisms through the optical fiber feed flow channel mechanism in turn, and is sequentially arranged on the belt clamping arrangement conveying mechanism under the belt clamping and transmission.

The preferred technical feature of the present invention is: in the process of belt clamping and transmission, the two arrangement conveying mechanisms are separated by a first distance and pass through the optical fibers in sequence. After the optical fibers are arranged, the movable mechanism is adjusted, and the two arrangement conveying mechanisms are separated. The second distance is that the tiling supports clamp and arrange the fiber bundles at intervals, and the second distance is greater than the first distance.

The beneficial effects of the present invention are:

1. The method and fixture for arranging optical fibers of the present invention can greatly improve the processing efficiency of optical fibers, which is more than 100 times higher than the previous single processing method.

2. The present invention is a pure mechanical structure, with reliable action and sensitive response, which reduces the complexity of the device and at the same time improves the practical effect of the device.

3. The optical fibers arranged in the present invention do not turn over after entering the belt, and the optical fibers are moved forward by sandwiching the upper and lower flat belts without friction, which can effectively protect the optical fibers from being damaged.

The jig and method of the invention are used for laser stripping the coating layer of optical fibers, and the bundled optical fibers are neatly arranged one by one, and the working efficiency of laser stripping the coating layer at this time can be improved by a hundred times.

Description of drawings

Figure 1 isometric view 1 of the structure of the present invention

Figure 2 is a top view of the structure of the present invention

Figure 3 is a top view D-D cross-sectional view of the structure of the present invention

Figure 4 is a top view E-E cross-sectional view of the structure of the present invention

FIG. 5 is a front view of the optical fiber flow channel of the structure of the present invention

Figure 6 isometric view 2 of the structure of the present invention

Detailed ways

The following specific embodiments are used to explain the technical solutions of the claims of the present invention, so that those skilled in the art can understand the claims. The protection scope of the present invention is not limited to the following specific implementation structures. The technical solutions made by those skilled in the art that include the technical solutions of the claims of the present invention and are different from the following specific embodiments are also the protection scope of the present invention.

As shown in FIG. 1 , the optical fiber cluster vibrating feeding device provided on the base 107 is a commercially available direct vibrator, and the direct vibrator includes a groove for supporting and constraining the bundled optical fiber clusters.

An optical fiber arrangement device arranged at intervals from the vibrating feeding device. Including the optical fiber feeding channel mechanism, the discharge end of the optical fiber feeding channel mechanism is provided with an arrangement and conveying mechanism that is perpendicular to the direction of the optical fiber

In the embodiment, the arrangement and conveying mechanism includes a support frame, the support frame includes a support plate 303, and the two support plates 303 are arranged along the direction of the optical fiber. A motor drive control unit 301 is set on the support plate 303, and a servo motor drive control module can be selected. A track system is provided along the direction of the support plate 303 . The rail system includes a rail bracket 101 , a rail bottom plate 102 is arranged on the rail bracket 101 , a rail 103 is arranged on the rail bottom plate, and a slider 104 is arranged on the rail 103 .

A fixed plate 105 is provided perpendicular to the direction of the support plate 303 , and the fixed plate 105 is connected and fixed with the track bottom plate 102 . The slider 104 is connected with the moving plate 120 . The moving plate 120 can be adjusted to move closer to or away from the fixed plate 105 according to requirements.

As shown in 1, 2, and 4, the fixing plate 105 is provided with a first belt clamping arrangement conveying mechanism.

The first belt clamping arrangement conveying mechanism includes a first lower belt arrangement conveying mechanism 130 and a first upper belt arrangement conveying mechanism 140 . The fixed plate 105 located between the first lower belt arrangement conveying mechanism 130 and the first upper belt arrangement conveying mechanism 140 is provided with a slot for accommodating optical fiber arrangement. Slot 1051.

The first lower belt arrangement and conveying mechanism 130 includes a lower belt driving pulley 1131, a plurality of lower belt guide pulleys 1132, and of course a tensioning and adjusting pulley; the lower belt 114 forms a closed transmission ring through each pulley. The transmission ring includes a first horizontal transmission segment 1141 .

The first upper belt arrangement and conveying mechanism 140 includes a lower belt driving pulley 1132, a plurality of lower belt guide pulleys 113, and of course a tensioning and adjusting pulley; the upper belt 115 forms a closed transmission ring through each pulley. The transmission ring includes a second horizontal transmission segment 1151 .

The first horizontal transmission section 1141 of the lower belt 114 is in close contact with the second horizontal transmission section 1151 of the upper belt 115 . Fitting section and splice section 1142.

The first lower belt 114 and the first upper belt 115 can be selected as flat belts, and the V-belt forms the fitting section (clamping section) between the lower belt 114 and the upper belt 115 in a plane contact.

As shown in 1, 2, 3, and 6, the moving plate 120 can adopt a whole plate body, the optical fiber accommodating slot is arranged in the whole plate body, and the second belt clamping arrangement conveying mechanism is arranged on the whole plate body. Two separate plates can also be used. In the embodiment, the movable plate 120 includes a movable upper support plate 110 and a movable lower support plate 112. A fiber accommodating gap is set between the movable upper support plate 110 and the movable lower support plate 112. .

The movable rails and sliders of the movable upper support plate and the movable lower support plate can be arranged in various forms, including but not limited to, two rails are respectively provided on both sides of the upper support plate and the lower support plate, and the two rails The sliders are respectively arranged, and the two sliders are connected with the upper support plate and the lower support plate.

In this embodiment, two upper rails are arranged on both sides of the movable upper support plate, upper sliders are respectively arranged on the two upper rails, and the movable upper support plate is connected with the upper slider. Two lower rails are arranged on both sides of the movable lower supporting plate, lower sliding blocks are respectively arranged on the two lower rails, and the movable lower supporting plate is connected with the lower sliding block.

The second belt clamping arrangement conveying mechanism includes a second lower belt arrangement conveying mechanism 150 and a second upper belt arrangement conveying mechanism 160 .

The second lower belt arrangement conveying mechanism 150 includes a lower belt driving pulley 1151, a plurality of lower belt guide pulleys 108, and of course a tension adjusting pulley; the lower belt 111 forms a closed transmission ring through each pulley. The transmission ring includes a second horizontal transmission section 1152 .

The second upper belt arrangement and conveying mechanism 160 includes a lower belt driving pulley 1161, a plurality of lower belt guide pulleys 108, and of course a tensioning and adjusting pulley; the upper belt 109 forms a closed transmission ring through each pulley. A second horizontal transmission section 1162 is included in the transmission ring.

The second horizontal transmission section 1151 of the second lower belt 111 is in close contact with the second horizontal transmission section 1161 of the second upper belt 109 , and the second horizontal transmission section 1152 of the second lower belt 111 includes a The second horizontal transmission section 1162 is close to the fitting section and the material receiving section 1153 .

The above-mentioned second lower belt 111 and the second upper belt 109 are selected as O-shaped belts.

The optical fiber feed channel mechanism is shown in Figs. The optical fiber feed flow channel mechanism is formed on the plate-shaped body, which is beneficial to the processing, installation and adjustment of the flow channel. The flow channel plate can be processed on an integral plate-shaped body to form a fiber feed flow channel, or two plate-shaped bodies can be assembled to form a fiber feed flow channel.

In the embodiment, the flow channel plate 106 includes a first assembly plate 106-1, and a second assembly plate 106-2. The optical fiber feed channel is formed by splicing the first assembly plate 106-1 and the second assembly plate 106-2.

In the embodiment, the fiber inlet portion 106-7 with a wide upper portion and a narrow lower portion of the fiber feed channel includes a “V” that is assembled by the inclined planes of the first assembly plate 106-1 and the upper part of the second assembly plate 106-2 opposite to each other. shape. Alternatives include, but are not limited to, a split "U" shape.

The lower end of the inlet of the optical fiber cluster is provided with a slotted flow channel of a single optical fiber, which is formed by splicing two opposite parallel sides of the lower part of the inclined surfaces of the first assembly plate 106-1 and the second assembly plate 106-2. The width of the slit conductance is greater than the diameter of one fiber and less than twice the diameter of the fiber. The slot flow channel includes a single fiber fast-moving section communicated with the inlet of the fiber cluster at one end, and a slow-moving section communicated with the other end of the single fiber fast-moving section.

The fast-moving section of a single optical fiber includes a slot 106-5 perpendicular to the horizontal plane, and the slow-moving section communicating with the end of the fast-moving section of the single optical fiber includes a slot 106-6 inclined to the horizontal plane. The flow channel plate 106 of the fast moving section of a single optical fiber is provided with a first flow channel blocking mechanism 106-3, and the flow channel plate 106 of the slow moving section is provided with a second flow channel blocking mechanism 106-4. The blocking device in this embodiment includes a cylinder, and the piston rod of the cylinder forms a telescopic stop rod that can be opened and closed.

Adjusting the distance between the first assembly plate 106-1 and the second assembly plate 106-2 can realize the adjustment of the width of the slot channel, which is suitable for different optical fibers.

Fiber automatic arrangement method,

Step 1: Reset the servo module to the starting position. The blocking mechanism in the optical fiber flow channel is in the blocking state.

The second step: place one end of the bundled optical fiber 202 on the straight vibrator, and the other end in the V-shaped inlet of the optical fiber flow channel. At this time, the two aligned conveying mechanisms are separated by a first distance, and in the embodiment, the two aligned conveying mechanisms are close to each other.

The third step: open the direct vibration device, and open the upper blocking mechanism in the optical fiber flow channel. At this time, the optical fiber fills the gap of the optical fiber flow channel under the vibration of the direct vibrator.

Step 4: Open the rotation of the upper and lower flat belts and the upper and lower O-belts, and open the lower blocking mechanism in the optical fiber flow channel. At this point, the fiber will enter the upper and lower flat belts and the upper and lower O-belts.

Step 5: After the optical fibers are fully arranged, turn off the rotation of the upper and lower flat belts and the upper and lower O-belts and the upper and lower blocking mechanisms in the optical fiber flow channel at the same time.

Step 6: Servo motor drives the module, adjusts the movable mechanism, drives the upper and lower O-belts to move backwards, and pulls the two arranged conveying mechanisms apart by a second distance, and the second distance is greater than the first distance. Lay out the fiber.

Step 7: The laser stripping coating starts to work.

Step 8: After the laser stripping of the coating layer is completed, take out the processed optical fiber, reset the equipment, and start the next working cycle.

Claims (8)

1. An automatic optical fiber arranging jig comprises a base, wherein an optical fiber cluster vibration feeding device and an optical fiber arranging device arranged at intervals with the vibration feeding device are arranged on the base, and the automatic optical fiber arranging jig is characterized in that the optical fiber arranging device comprises an optical fiber feeding runner mechanism, the tail end of the discharging of the optical fiber feeding runner mechanism is provided with an arranging and conveying mechanism vertical to the direction of optical fibers, and the arranging and conveying mechanism at least comprises a first belt clamping and arranging and conveying mechanism and a second belt clamping and arranging and conveying mechanism; the optical fiber feeding runner mechanism comprises an optical fiber cluster inlet part with a wide upper part and a narrow lower part, and the lower end of the optical fiber cluster inlet part is provided with a slit runner of a single optical fiber; the slit flow channel comprises a single optical fiber fast moving section with one end communicated with the entrance part of the optical fiber cluster and a slow moving section communicated with the other end of the single optical fiber fast moving section; the single optical fiber fast moving section comprises a gap vertical to a horizontal plane, and the slow moving section communicated with the tail end of the single optical fiber fast moving section comprises a gap inclined with the horizontal plane; the belt clamping and arranging conveying mechanism of the arranging conveying mechanism comprises a lower belt arranging conveying mechanism and an upper belt arranging conveying mechanism, wherein the lower belt and the upper belt which are mutually close to each other are attached in parallel.

2. The automatic arrangement optical fiber jig of claim 1, wherein the optical fiber feeding runner mechanism includes a runner plate, the upper portion of the runner plate is provided with an optical fiber cluster inlet portion having a wide upper portion and a narrow lower portion, and the runner plate at the lower end of the optical fiber cluster inlet portion is provided with a slit runner.

3. The automatic arrangement optical fiber jig according to claim 1 or 2, wherein the width of the slit conductance is larger than one optical fiber diameter and smaller than two optical fiber diameters.

4. The automatic fiber optic alignment fixture of claim 1 wherein the at least one belt clamping alignment delivery mechanism is disposed on a movable mechanism.

5. The automatic optical fiber arrangement jig according to claim 1 or 4, wherein the arrangement and conveying mechanism comprises a supporting frame, a fixing plate is arranged on the supporting frame, and a first belt clamping arrangement and conveying mechanism is arranged on the fixing plate; the support frame is also provided with a moving plate, the moving plate is provided with a second belt clamping and arranging conveying mechanism, and the moving plate is arranged on the track.

6. The automatic arrangement optical fiber jig of claim 1, wherein the optical fiber feeding runner mechanism further comprises a runner blocking mechanism.

7. An automatic optical fiber arranging method based on the automatic optical fiber arranging jig of claim 1, wherein after the optical fiber cluster is placed between the vibration feeding device and the optical fiber feeding runner mechanism, the vibration feeding device is started, the optical fiber cluster passes through the optical fiber feeding runner mechanism to enter the two arranging and conveying mechanisms under the vibration effect, and the single optical fibers are sequentially arranged on the belt clamping and arranging conveying mechanisms under the belt clamping and conveying effect.

8. The method of automatically aligning optical fibers according to claim 7, wherein the two aligning and feeding mechanisms are spaced apart from each other by a first distance and sequentially pass through the optical fibers during the holding and transferring of the belt, and after the alignment of the optical fibers is completed, the movable mechanism is adjusted to pull the two aligning and feeding mechanisms apart from each other by a second distance, and the two aligning and feeding mechanisms are spread and held to align the optical fiber bundles at intervals, the second distance being greater than the first distance.

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