CN105182477B - Controllable pressure precision flexible board cloth fibre device and cloth method for fiber - Google Patents

Abstract

A controllable pressure precision flexible board fiber distribution device in the field of precision machinery manufacturing, including: a control unit and a fiber pay-off mechanism connected to it, a steering control element, a pressure control mechanism, and a pressure wheel mechanism, wherein: the steering control element and pressure The control mechanism is connected, the pressure control mechanism is connected with the pinch wheel mechanism, and the pinch wheel mechanism is set correspondingly to the fiber unwinding mechanism. The invention can improve the precision of optical fiber arrangement, and at the same time, can adjust the arrangement speed and arrangement pressure of optical fibers, and reduce the damage and breakage of optical fibers.

Description

Controllable pressure precision flexible board fiber distribution device and fiber distribution method

technical field

The invention relates to the field of precision machinery, in particular to a precision flexible board fiber distribution device and a fiber distribution method with controllable pressure and a steering angle error of less than 0.001°.

Background technique

In the prior art, there are the following problems in the process of arranging optical fibers on flexible boards: 1) The arrangement accuracy is low, especially in long distances, such as 0.5-1m. Distortion and deviation caused by excessive angular error after vertical steering arrangement; 2) Uneven optical fiber arrangement pressure. After the optical fiber is arranged on the viscous flexible board, appropriate pressure needs to be applied to ensure reliable adhesion. The existing technology often There is no pressure adjustment mechanism, and the arrangement pressure cannot be adjusted in real time according to the arrangement working conditions. Under extreme working conditions, the lack of pressure may cause the fiber bonding to fail or the fiber may be broken due to excessive pressure; 3) During the process of fiber transportation and arrangement, Due to the inconsistency between the fiber pay-off speed and the arrangement speed, it is very easy to cause damage or breakage of the optical fiber; 4) The pressure roller used after the optical fiber is bonded often causes the adjacent optical fiber to be crushed twice or more due to structural problems, resulting in The optical fiber is damaged or squeezed out of place.

After searching the prior art, it is found that US Patent No. 5,259,051A discloses an optical fiber interconnection device and a fiber distribution method thereof. It is characterized in that the fiber distribution device of the optical fiber interconnection equipment has a slender bracket, which can rotate at a certain angle with the z-axis and can move in the x-y plane. The lower free end of the bracket is equipped with a pressure wheel, and the bracket A reel containing optical fiber is installed at the upper free end of the reel; the optical fiber on the reel is adhered to the substrate coated with adhesive through the pressure wheel; the bracket moves on the horizontal plane at an appropriate speed and direction and drives the pressure wheel to rotate, thereby This exerts a certain tension on the fiber, causing the fiber on the reel to release, whereby the fiber continues to adhere to the adhesive-coated substrate. Compared with the present invention, this technology has further technical problems that cannot be solved: 1) It does not involve pressure detection and adjustment mechanisms, that is, it cannot detect the current fiber distribution pressure, nor can it adjust the fiber distribution pressure in real time on this basis; 2) ) does not involve the tension detection mechanism, and the fiber unwinding process is a passive process, which cannot realize the matching adjustment of the fiber unwinding speed and the fiber cloth movement speed; 3) does not involve the arranged optical fiber length detection device, and cannot realize precise arrangement.

Contents of the invention

Aiming at the above-mentioned deficiencies in the prior art, the present invention proposes a controllable pressure precision flexible plate fiber distribution device and a fiber distribution method, which can improve the accuracy of optical fiber arrangement, and at the same time adjust the arrangement speed and arrangement pressure of optical fibers, reducing Fiber damage and breakage.

The present invention is achieved through the following technical solutions:

The invention comprises: a control unit and a fiber pay-off mechanism connected thereto, a steering control element, a pressure control mechanism, and a pinch wheel mechanism, wherein: the steering control element is connected with the pressure control mechanism, the pressure control mechanism is connected with the pinch wheel mechanism, and the pinch wheel The mechanism is set correspondingly to the fiber releasing mechanism; the control unit is connected to the fiber releasing mechanism and transmits the fiber releasing information to control the fiber releasing speed and fiber length of the fiber releasing mechanism; the control unit is connected to the steering control element and transmits steering control information to control the fiber distribution Steering angle; the control unit is connected to the pressure control mechanism and transmits the fiber cloth pressure information to control the fiber cloth pressure; the control unit is connected to the pressure wheel mechanism and transmits the speed information of the pressure wheel to control the fiber cloth speed.

The fiber unwinding mechanism includes: an optical fiber storage barrel, a fiber unwinding element, a fiber transport guide wheel and a tension sensor, wherein: the fiber unwinding element is connected to the optical fiber storage barrel, the fiber transport guide wheel is set correspondingly to the optical fiber storage barrel, and the fiber transport guide wheel Connected to the tension sensor.

The pressure roller mechanism includes: a clamping element, a pressure roller guide rod and a pressure roller, wherein one end of the clamping element is connected with the pressure sensor, the other end is connected with the pressure roller guide rod, and the pressure roller guide rod is connected with the pressure roller.

The pressure control mechanism includes: a pressure sensor and a guide adjustment element connected therewith.

The fiber payout information includes: information on the rotational speed of the optical fiber storage barrel, fiber transport speed information, fiber transport tension information and fiber payout length information.

Said fiber cloth pressure information includes: pressure roller height information and pressure roller pressure information.

technical effect

Compared with the prior art, the present invention provides a pressure-controllable precision fiber distribution device for flexible boards, which has the following beneficial effects: 1) The device is equipped with a precise steering control mechanism, which can control the steering of optical fiber arrangement at any angle Positioning; 2) The device can realize the autonomous detection of the arrangement pressure according to the current arrangement conditions, and can adjust the arrangement pressure through the pressure control mechanism to protect the optical fiber; 3) The device can actively detect the optical fiber in the arrangement According to the tension in the process, adjust the fiber arrangement speed to match the fiber pay-off speed; 4) The pressing wheel of the device only exerts a pressing force on the currently arranged fibers, and does not touch or crush the arranged fibers. A good optical fiber prevents adjacent optical fibers from being squeezed, misaligned or crushed.

Description of drawings

Fig. 1 is the structural representation of device of the present invention;

Figure 2 is a schematic diagram of the cooperation between the pressure wheel and the optical fiber in the device of the present invention;

Fig. 3 is a schematic diagram of the cooperation between the optical fiber position adjustment element and the optical fiber in the device of the present invention;

In the figure: optical fiber 1, pressure wheel mechanism 2, pressure wheel 21, pressure wheel guide rod 22, clamping element 23, pressure control mechanism 3, pressure sensor 31, guide adjustment element 32, steering control element 4, fiber payout mechanism 5, Optical fiber storage tube 51 , fiber unwinding element 52 , fiber transport guide wheel 53 , tension sensor 54 , control unit 6 , limit guide wheel 7 , and optical fiber position adjustment element 8 .

detailed description

The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

Example 1

As shown in Figure 1, this embodiment includes: a control unit 6 and a fiber pay-off mechanism 5 connected to the control unit 6, a steering control element 4, a pressure control mechanism 3, and a pressure wheel mechanism 2, wherein: the steering control element 4 is connected with the pressure control The mechanism 3 is connected, the pressure control mechanism 3 is connected with the pinch wheel mechanism 2, and the pinch wheel mechanism 2 is set correspondingly to the fiber unwinding mechanism 5;

The fiber pay-off mechanism 5, the steering control element 4, the pressure control mechanism 3 and the pressure wheel mechanism 2 are all provided with an information processing module connected to the control unit 6;

The control unit 6 is connected to the information processing module of the fiber payout mechanism 5 and transmits the rotational speed information of the optical fiber storage cylinder, the fiber transport speed information, the fiber transport tension information and the fiber payout length information, and controls the fiber payout speed and Fiber length; the control unit 6 is connected with the information processing module of the steering control element 4 and transmits the steering control information to control the fiber cloth steering angle; the control unit 6 is connected with the information processing module of the pressure control mechanism 3 and transmits the pressure information and pressure information of the pressure roller The wheel height information controls the fiber cloth pressure by adjusting the height of the pinch wheel; the control unit 6 is connected to the pinch wheel mechanism 2 and transmits the speed information of the pinch wheel to control the fiber cloth speed.

The fiber unwinding mechanism 5 includes: an optical fiber storage cylinder 51, a fiber unwinding element 52, a fiber transport guide wheel 53 and a tension sensor 54, wherein: the fiber unwinding element 52 is connected to the optical fiber storage cylinder 51, and the fiber transport guide wheel 53 is connected to the optical fiber storage tube 51. The cylinder 51 is arranged correspondingly, and the tension sensor 54 is connected with the fiber transporting guide wheel 53 .

The fiber releasing component 52 is provided with a fiber releasing length measuring device or an encoder, which is used to accurately measure the length of the released optical fiber 1 to meet the requirement of fiber laying precision.

The pressure roller mechanism 2 includes: a clamping element 23, a pressure roller guide rod 22 and a pressure roller 21, wherein: one end of the clamping element 23 is connected with the pressure sensor 31, and the other end is connected with the pressure roller guide rod 22, and the pressure roller The guide rod 22 is connected with the pressure wheel 21, and the pressure wheel 21 can rotate around the axis.

The pressure roller guide rod 22 is replaced according to different pressure roller sizes, which facilitates the installation and clamping of the pressure roller 21 .

The steering control element 4 is provided with a high-precision indexing shaft, and the steering angle error is less than 0.001°.

As shown in Figure 2, the pressure wheel 21 is provided with a pressure groove, wherein: the width of the pressure groove is smaller than the diameter of the arranged optical fiber 1, and the curvature is smaller than the curvature of the arranged optical fiber 1, so as to prevent the Press to the adjacent fiber that has been routed.

The pressure control mechanism 3 includes: a pressure sensor 31 and a guide adjustment element 32 connected thereto, wherein: the guide adjustment element 32 can guide and adjust the position of the pressure roller mechanism 2 in the vertical direction.

The guide adjustment element 32 is provided with a lead screw, a guide rail and a stepping motor.

The pressure wheel mechanism 2 is correspondingly equipped with a limit guide wheel 7 and an optical fiber position adjustment element 8, which is used to adjust the position accuracy of the optical fiber 1 before entering the pressure wheel 21, so as to further control the arrangement accuracy and prevent the optical fiber from 1 slide out from the side of the pressure roller 21.

As shown in Figure 3, the optical fiber position adjustment element 8 is provided with an optical fiber through hole, and the optical fiber position adjustment element 8 is used to adjust the gap between the optical fiber 1 and the optical fiber through hole, so as to calibrate the distance between the optical fiber 1 and the pressure wheel 21. relative position.

The optical fiber position adjustment element 8 is preferably a spring ball structure.

The diameter range of the optical fiber 1 is 0.05-2.0mm.

The operating status of the device of the present invention is as follows:

According to the diameter of the optical fiber 1 to be arranged, select the pressure wheel 21 with the corresponding pressure groove;

Install the device on the machine tool or mechanism with X, Y, Z direction movement feed function through the frame;

The control unit 6 controls the fiber releasing element 52 to release the optical fiber 1 from the optical fiber storage cylinder 51, and controls the fiber releasing length measuring device or encoder to measure the length of the released optical fiber 1. The optical fiber 1 passes through the fiber transport guide wheel 53, the limit guide wheel 7 and The optical fiber position adjustment element 8 is bonded on the flexible plate coated with adhesive under the control of the pressure wheel 21;

The pressure sensor 31 detects the arrangement pressure of the optical fiber 1 and feeds it back to the control unit 6. If the arrangement pressure is lower than the set value of the pressure control mechanism 3, the control unit 6 controls the guide adjustment element 32 in the pressure control mechanism 3 to lower the height to drive The clamping element 23 moves toward the side close to the flexible plate, and the pressure roller 21 approaches the flexible plate with the movement of the pressure roller guide rod 22, and the arrangement pressure increases; if the arrangement pressure exceeds the set value of the pressure control mechanism 3, the control unit 6. Control the guide adjustment element 32 in the pressure control mechanism 3 to raise the height, drive the clamping element 23 to move toward the side away from the flexible plate, and the pressure roller 21 moves away from the flexible plate with the movement of the pressure roller guide rod 22, and the arrangement pressure decreases ;

The tension sensor 54 detects the tension of the optical fiber 1 during fiber arrangement and feeds it back to the control unit 6. The control unit 6 adjusts the rotation speed of the fiber transport guide wheel 53 according to the tension, and at the same time controls and adjusts the rotation speed of the pressing wheel so that the fiber payout speed matches the fiber distribution speed. .

Claims (1)

1. A controllable pressure precision flexible board fiber distribution device, characterized in that it includes: a control unit and a fiber pay-off mechanism connected to it respectively, a steering control element, a pressure control mechanism, and a pressure wheel mechanism, wherein: the steering control element and The pressure control mechanism is connected, the pressure control mechanism is connected with the pressure wheel mechanism, the pressure wheel mechanism is set correspondingly to the fiber payout mechanism, the control unit is connected with the fiber payout mechanism and transmits the fiber release information, and controls the fiber payout speed and fiber length of the fiber payoff mechanism. The control unit is connected to the steering control element and transmits steering control information to control the steering angle of the fiber cloth. The control unit is connected to the pressure control mechanism and transmits the fiber cloth pressure information to control the fiber cloth pressure. The control unit is connected to the pressure roller mechanism and transmits the speed of the pressure roller. information, control the fiber distribution speed; the control unit controls the fiber payout element to release the fiber from the fiber storage barrel, and controls the fiber payout length measurer or encoder to measure the length of the released fiber, and the fiber passes through the fiber transport guide wheel, the limit guide wheel and the fiber The position adjustment element, under the control of the pressure wheel, is bonded to the flexible plate coated with adhesive; The pressure control mechanism includes: a pressure sensor and a guide adjustment element connected thereto; The pressure roller mechanism includes: a clamping element, a pressure roller guide rod and a pressure roller, wherein: one end of the clamping element is connected with the pressure sensor, the other end is connected with the pressure roller guide rod, and the pressure roller guide rod is connected with the pressure roller; The pressure sensor detects the arrangement pressure of the optical fiber and feeds it back to the control unit. When the arrangement pressure is lower than the set value of the pressure control mechanism, the control unit controls the guide adjustment element in the pressure control mechanism to lower the height to drive the clamping element Moving toward the side close to the flexible plate, the pressure roller moves closer to the flexible plate with the movement of the guide rod of the pressure roller, and the distribution pressure increases; when the distribution pressure exceeds the set value of the pressure control mechanism, the control unit controls the pressure in the pressure control mechanism. The height of the guide adjustment element is raised to drive the clamping element to move to the side away from the flexible plate, and the pressure roller moves away from the flexible plate with the movement of the guide rod of the pressure roller, and the arrangement pressure decreases; The fiber unwinding mechanism includes: an optical fiber storage barrel, a fiber unwinding element, a fiber transport guide wheel and a tension sensor, wherein: the fiber unwinding element is connected to the optical fiber storage barrel, the fiber transport guide wheel is set correspondingly to the optical fiber storage barrel, and the fiber transport guide wheel Connected to the tension sensor; The tension sensor detects the tension on the optical fiber when the optical fiber is laid out and feeds it back to the control unit. The control unit adjusts the speed of the fiber transport guide wheel according to the tension, and at the same time adjusts the speed of the pinch wheel so that the fiber payout speed matches the fiber laying speed; The fiber feeding information includes: the rotational speed information of the optical fiber storage barrel, the fiber transportation speed information, the fiber transportation tension information and the fiber distribution length information; The fiber cloth pressure information includes: pressure wheel height information and pressure wheel pressure information; The steering control element is provided with a high-precision indexing shaft, and the steering angle error is less than 0.001°; The pressure wheel mechanism is correspondingly provided with a limit guide wheel and an optical fiber position adjustment element; The optical fiber position adjustment element is provided with an optical fiber passing hole; The fiber payout element is provided with a fiber payout length measurer or an encoder; Several moving guide wheels are arranged in the fiber pay-off mechanism.