TWM469146U - Optic fiber end grinding device - Google Patents

Description

Fiber head grinding device

The invention relates to the grinding technology of optical fibers, and in particular to a fiber head grinding device.

It is well known that the current use of optical fibers is extremely wide, especially for communication, signal transmission or photoelectric transmission, and the fiber ends (that is, the two ends of the optical fiber) must be processed into a slightly convex surface so that the fibers are joined together. The optical loss between the two is minimal.

Therefore, in order to achieve high transmission quality and low defect rate, the control of the pressure and time of the grinding machine when grinding the fiber head is very precise, and the pressure requirements are based on different grinding processes, grinding sheets and time. Calculated data, which is provided by the mill after testing by the manufacturer. The traditional grinder uses the weight to adjust the pressure of different weights. When grinding the fiber head, according to the data provided by the manufacturer, adjust the gravity under the weight to make the fiber head and the polishing table. The predetermined abrasive pressure is generated between the abrasive sheets for grinding.

However, the conventional grinder adjusts the grinding pressure in a counterweight manner, and the manner of adjusting the grinding pressure is too simple and inaccurate; in addition, the jig for fixing the fiber head is assembled on the grinder, when the fiber head is It is easy to be dragged and inconvenient when inserting and removing on the jig. Therefore, how to improve the accuracy and convenience of the grinding machine in adjusting the grinding pressure has become an issue to be improved.

In view of this, the purpose of the present invention is to provide a fiber optic head research. The grinding device controls the grinding pressure required for grinding the fiber tip by the gas-electric proportional control valve, so as to improve the problem that the conventional grinding machine is difficult to control precision and convenience when adjusting the grinding pressure by using the weighting method. In order to achieve the above object and solve the problem, the technical means of the fiber-optic head grinding device of the present invention comprises: a disc-shaped jig suspended on a platform to restrain its rotation, and a central anvil is formed on the disc surface of the jig. And a plurality of insertion holes distributed around the central anvil; one or more optical fiber heads are respectively embedded in a socket, the insertion holes are provided for inserting the insertion holes, and the fiber head is protruded from the fixture a polishing table carrying an abrasive sheet in a manner offset from the center of rotation, the polishing table being provided with a rotator for driving the polishing sheet to eccentrically rotate on one side; and a pneumatic actuator for receiving a gas-electric ratio The central control anvil is pressed by the drive control of the control valve to suspend the fiber optic head in the area of the face to receive the rotational grinding of the abrasive sheet.

Accordingly, the pneumatic pressure is controlled by the pneumatic pressure outputted by the gas-electric proportional control valve, thereby controlling the grinding pressure between the optical fiber head and the abrasive sheet, and the grinding pressure between the two is adjusted in comparison with the conventional weighting method. It is said that it has the advantage of controlling the precision of the grinding pressure.

In implementation, the novel further comprises: forming a plurality of extending crossbars around the disk surface of the fixture, forming a bearing hole on the bearing platform, and forming a plurality of sockets for restraining the crossbar rotation around the bearing hole, the fixture is Suspended by the crossbar and suspended in the receiving hole of the cap. Accordingly, it is possible to prevent the fiber tip from being affected by the grinding to cause the rotation, and the fiber tip utilizes the displacement to receive the grinding pressure applied by the pneumatic actuator.

The cap is a slide table, and is driven by a driver to move the jig between a loading zone and a grinding zone, wherein the inserting seat is inserted into the insertion hole of the jig in the loading zone, and The fiber tip is highlighted at the bottom of the fixture. Accordingly, by inserting the fiber head into the jig in the loading area, the jig is moved to the grinding zone by the cap, so that the fiber head receives the grinding of the grinding piece, and then the jig is moved to the loading area. The fiber head that has been polished is taken out, thereby avoiding the fiber head being inserted and removed on the jig, and the operation is increased. Convenience.

The loading area includes a washer, which is located at the bottom of the fixture, and the cleaner sprays liquid and gas to clean the fiber head. Accordingly, when the optical fiber head is subjected to grinding, the cleaning device is used to remove the dust and the dust in the air generated by the grinding on the surface of the optical fiber head, so that the cleaning operation of the optical fiber head can be automated.

The polishing table and the pneumatic actuator are located in the grinding zone, and the fixture is moved to the grinding zone to receive the pressure of the pneumatic actuator, so that the fiber tip receives the grinding of the polishing pad. Accordingly, the air pressure driver is used to provide the grinding pressure required for the abrasive sheet to grind the fiber tip to improve the polishing effect of the fiber tip.

The pneumatic actuator includes a large stroke drive and a small stroke drive driven by a large stroke drive. The gas proportional control valve is synchronously driven to control the output thrust of the large stroke drive and the small stroke drive, and the central anvil is pressed via the small stroke drive. unit. The central anvil has a tapered groove shape, and a small stroke actuator is provided with a cone column, and the central anvil is pressed through the cone column. According to this, the cone column is moved by the two-stage movement of the large stroke driver and the small stroke driver to avoid the collision of the cone column with the central anvil of the fixture quickly and directly, thereby improving the cone column and the fixture. The service life.

The bottom of the polishing table includes a stretching drive that drives the polishing table up, so that the polishing piece can eccentrically rotate the fiber head in the surface area. Accordingly, the jig in which the optical fiber head is inserted is pushed up to the surface area by the polishing table, and then the pneumatic actuator is used to press the jig to obtain the required grinding pressure when the optical fiber head is subjected to the grinding of the polishing piece, thereby elevating the optical fiber. The rate at which the head grinds the finished product.

The specific implementation details of the above-mentioned methods and devices and the specific implementation details thereof will be described with reference to the following embodiments and drawings.

10‧‧‧ fixture

11‧‧‧ Central Anvil

12‧‧‧ Inserting holes

13‧‧‧cross bar

20‧‧ ‧ captain

21‧‧‧Holding holes

22‧‧‧ 承座

23‧‧‧Linear slides

24‧‧‧ Drive

30‧‧‧Fiber head

31‧‧‧ Insert

40‧‧‧ polishing table

41‧‧‧Abrasive

42‧‧‧Rotator

43‧‧‧Stretching drive

50‧‧‧ face area

60‧‧‧ pneumatic drive

61‧‧‧ gas-electric proportional control valve

62‧‧‧ Large Stroke Driver

63‧‧‧Small travel drive

64‧‧‧ cone column

71‧‧‧Matching area

72‧‧‧ grinding area

80‧‧‧cleaner

81‧‧‧ cover

Figure 1 is a cross-sectional view of the jig of the present invention.

Fig. 2 is a schematic view showing the eccentric rotation of the polishing sheet of the present invention.

Figure 3 is a schematic view showing the configuration of the first embodiment of the present invention.

Figure 4 is a plan view of Figure 3.

Figure 5 is a cross-sectional view taken along line A-A of Figure 4;

Figure 6 is a schematic view showing the configuration of a second embodiment of the present invention.

7 to 9 are schematic views of the operation of Fig. 5, respectively.

Referring to FIG. 1 to FIG. 5 , the first embodiment of the present invention is disclosed, and the optical fiber head polishing apparatus provided by the present invention comprises a jig 10 , one or more optical fiber heads 30 , a polishing table 40 , and A pneumatic actuator 60. among them:

Referring to FIG. 1 , the jig 10 is in the shape of a disk, and a central anvil 11 is formed on the center of the disk surface of the jig 10 , and a plurality of insertion holes 12 are equally spaced around the central anvil 11 . When the central anvil 11 is pressed, the force transmitted from the central anvil is evenly dispersed on the insertion hole 12 around the central anvil 11, and the jig 10 is suspended on a cap. At 20, the jig 10 can be subjected to the grinding process to receive the required grinding pressure by the displacement, and the cap 20 can restrain the jig 10 to prevent the jig 10 from rotating when subjected to the lapping process.

Referring to FIG. 1 , the optical fiber heads 30 are respectively embedded in an insertion base 31. In practice, the optical fiber head 30 is connected to an electronic device (such as a computer) via the insertion base 31. In the present invention, The optical fiber head 30 is inserted into the insertion hole 12 via the insertion seat 31. When the optical fiber head 30 is inserted into the insertion hole 12, one end thereof is protruded at the bottom of the jig 20, whereby the optical fiber head 30 is obtained. It is fixed on the jig 20 to maintain its stability during the grinding process, thereby improving the polishing quality.

Next, referring to FIG. 2 and FIG. 5, it is explained that an abrasive sheet 41 is carried at a position where the polishing table 40 is offset from the center of rotation thereof, and the polishing table 40 is coupled with a rotator 42 when the polishing sheet 41 is rotated by the rotator 42. Driven by When the eccentric rotation is performed on one surface 50, the contact range of the polishing head 41 to grind the optical fiber head can be increased, thereby increasing the service life of the polishing sheet 41. In practice, the surface area 50 refers to the optical fiber head 30 and the polishing sheet 41. Contact the location of the grinding.

Referring to FIG. 3, the pneumatic actuator 60 is disposed above the polishing table 40. The central anvil 11 of the jig 10 can be pressed by downward movement to provide the fiber holder 30 for receiving the polishing of the polishing blade 41. The grinding pressure is such that the pneumatic actuator 60 presses the center of the jig 10 (that is, the central anvil 11) so that the force applied by the pneumatic actuator 60 can be evenly dispersed on the optical fiber head 30 on the jig 10, so that all The optical head 30 and the polishing sheet 41 have the same polishing pressure to obtain the same polishing effect. Further, the pneumatic actuator 60 controls the optical head 30 to receive the grinding and polishing by the atmospheric pressure output from the gas-electric proportional control valve 61. The value of the grinding pressure between the sheets 41, and the pressure of the gas output from the gas-electric proportional control valve 61 can be input by using a programmable logic controller (PLC) or a numerical control (NC) input signal. It is controlled to automate the adjustment of the grinding pressure to replace the traditional manual adjustment.

Further, referring to FIG. 3, a plurality of crossbars 13 are formed around the disk surface of the jig 10, and the crossbars 13 are equiangularly extending outward from the center of the jig 10, in this embodiment. The number of the cross bars 13 is three, and the cap 20 is formed with a circular receiving hole 21, and a plurality of sockets 22 are formed on the cap 20 around the receiving hole 21. In this embodiment, the socket 22 is formed by forming a vertical bearing groove around the double side wall frame, and the number of the bearing seats 22 is the same, and the jig 10 is placed in the vertical bearing groove of the cap 20 by the cross bar 13 and by The two side walls of the bearing seat 22 restrain the rotation of the cross bar 13 in the bearing groove, so that the jig 10 is positioned in the bearing hole 21 to prevent the optical fiber head 10 inserted on the jig 10 from receiving the abrasive sheet 41. The rotation is followed by the rotation, which affects the polishing quality of the fiber tip 10.

Next, referring to FIG. 3, the platform 20 is implemented as a sliding table, which is slidably mounted on a linear slide 23, which receives a drive. The driving fixture 10 moves along the linear slide rail 23 between a loading zone 71 and a grinding zone 72, wherein the loading zone 71 means that the fiber tip 10 is inserted through the insertion seat 31. The insertion hole 12 is further positioned on the jig 10, and the polishing zone 72 includes a polishing table 40 and a pneumatic actuator 60. The jig 10 is moved to the grinding zone 72 to receive the pressure of the pneumatic actuator 60, so that the optical fiber head 10 is accepted. The polishing of the polishing sheet 41 is facilitated by inserting and removing the optical fiber head 30 on the jig 10 by providing the loading zone 71 and the polishing zone 72.

Referring to FIG. 6, a schematic diagram of a configuration of a second embodiment of the present invention is disclosed. The loading area 71 further includes a washer 80 disposed at the bottom of the jig 10 when the fiber optic head 30 is disposed. After the grinding zone 72 is subjected to grinding, the fiber optic head 30 can be moved by the jig 10 to receive the loading of the cap 20 to the upper portion of the washer 80 in the stocking area 71, and the washer 80 can be ejected with a high-pressure liquid or gas. In the implementation, before the optical fiber head 10 is cleaned by the washer 80, a cover 81 is placed over the optical fiber head 30 to avoid cleaning. When the optical fiber head 30 is cleaned, the high-pressure liquid or gas ejected by the cleaner 80 and the optical fiber head 30 are scattered around by the powder generated by the grinding.

Referring to FIG. 3, the pneumatic actuator 60 is implemented to include a large stroke driver 62 and a small stroke driver 63. The small stroke driver 63 is slidably disposed on the large stroke driver 62, and the large stroke driver 62 and the small stroke driver 63 are 63. The synchronous driving control is performed by using the air pressure output from the gas-electric proportional control valve 61, and the large-stroke driver 62 drives the small-stroke driver 63 to perform linear displacement together. Further, the small-stroke driver 63 is provided with a tapered column 64, which is provided with a cone 64. The central anvil 11 can be pressed by the driving of the small stroke driver 63, wherein the cone 64 is moved by the two-stage movement of the large stroke driver 62 and the small stroke driver 63 to improve the contact of the cone 64 with the central anvil 11. Accuracy and control accuracy when applying pressure and pressure regulation. The central anvil 11 has a tapered groove shape, which can improve the stability of the cone 64 when the central anvil 11 is pressed.

In addition, please refer to FIG. 5, which illustrates a configuration of the bottom of the polishing table 40. In the implementation, the extension drive 43 is a pneumatic cylinder, and the polishing table 40 can be displaced upward by the extension drive 43 to push the jig 10 above the polishing table 40 upward to make the optical fiber head 30 The surface area 50 is moved to receive the pressure of the pneumatic actuator 60, thereby providing the polishing pressure required for the fiber tip 30 and the abrasive sheet 41.

According to the above configuration, please refer to FIG. 7 to FIG. 9 to sequentially disclose the action diagram of the present invention, and explain that when the jig 10 moves along the linear slide 23 to the top of the polishing table 40 (as shown in FIG. 7), the polishing table 40 can be displaced upward by the extension drive 43 to push the jig 10 above the polishing table 40 upward, moving the fiber tip 30 to the face area 50 (as shown in FIG. 8), and then the cone 64 is large The stroke driver 62 and the small stroke driver 63 push the central anvil 11 of the jig 10 downward (as shown in FIG. 9) to provide the required grinding pressure between the fiber tip 30 and the polishing pad 41, and then grind. The sheet 41 is rotated by the rotation of the rotator 42 and the fiber tip 30 is ground by the polishing pressure applied by the cone 64.

According to the description of the above embodiments, the fiber-optic head grinding device of the present invention can move the jig between the loading zone and the grinding zone by fixing the jig to the movable platform, compared with the conventional grinding machine. The overlapping positions of the feeding area and the grinding area cause the fiber head to be easily dragged by other components on the grinding machine when being inserted and taken out, and the present invention has the convenience of inserting and removing the fiber head on the jig. In addition, compared with the conventional grinder to adjust the grinding pressure between the fiber head and the polishing piece by weight, the present invention controls the output pressure of the pneumatic actuator by the gas-electric proportional control valve, thereby adjusting the fiber head and The grinding pressure between the abrasive sheets has the advantage of being easy to control the precision of the grinding pressure.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, but are not to be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the spirit and scope of the invention. Therefore, this new type should be applied The content of the request as defined in the patent scope shall prevail.

10‧‧‧ fixture

11‧‧‧ Central Anvil

13‧‧‧cross bar

20‧‧ ‧ captain

21‧‧‧Holding holes

22‧‧‧ 承座

23‧‧‧Linear slides

24‧‧‧ Drive

40‧‧‧ polishing table

41‧‧‧Abrasive

60‧‧‧ pneumatic drive

61‧‧‧ gas-electric proportional control valve

62‧‧‧ Large Stroke Driver

63‧‧‧Small travel drive

64‧‧‧ cone column

Claims (9)

A fiber-optic head grinding device comprises: a disc-shaped jig suspended on a platform to restrain its rotation, a central anvil formed on the disc surface of the jig, and a plurality of insertion holes distributed around the central anvil; More than one fiber-optic heads are respectively embedded in a socket, the insertion holes are provided for inserting the insertion holes, the fiber heads are protruded at the bottom of the fixture; and a polishing table is carried by the rotation center An abrasive sheet, the polishing table is provided with a rotator for driving an eccentric rotation of the polishing sheet on one side; and a pneumatic actuator receiving a driving control of a gas proportional control valve to press the central anvil The fiber tip is suspended in the area of the face to receive the rotational grinding of the abrasive sheet. The fiber-optic head grinding device according to claim 1, wherein a plurality of extending crossbars are formed around the disk surface of the fixture, a bearing hole is formed on the bearing platform, and a plurality of restraining crossbars are formed around the bearing hole. The seat, the jig is suspended in the bearing hole of the cap by the restraint of the crossbar. The fiber-optic head grinding device of claim 1, wherein the cap is a sliding table, and is driven by a driver to move the jig between a loading zone and a grinding zone. The fiber-optic head grinding device of claim 3, wherein the insertion seat is inserted into the insertion hole of the jig in the loading area, and the fiber head is protruded at the bottom of the jig. The fiber-optic head grinding device of claim 3, wherein the loading zone comprises a washer disposed at the bottom of the fixture, the cleaner injecting liquid and gas to clean the fiber tip. The fiber-optic head grinding device according to claim 3, wherein the polishing table and the pneumatic actuator are located in the grinding zone, and the fixture is moved to the grinding zone to receive the pressure of the pneumatic actuator, so that the fiber-optic head receives the abrasive sheet. Grinding. The fiber-optic head grinding device of claim 3, wherein the pneumatic actuator comprises a large stroke drive and accepts a large stroke drive A small stroke drive, the gas proportional control valve is synchronously driven to control the output thrust of the large stroke drive and the small stroke drive, and the central anvil is pressed by the small stroke drive. The fiber-optic head grinding device of claim 7, wherein the central anvil has a tapered groove shape, the small-stroke drive is provided with a tapered column, and the central anvil is pressed via the tapered column. The fiber-optic head grinding device of claim 3, wherein the bottom of the polishing table comprises a stretching drive, and the stretching drive drives the polishing table to move up, so that the polishing piece can be eccentrically rotated on the surface area. Grinding the fiber tip.