WO2024058287A1

WO2024058287A1 - Portable device for cutting and polishing optical fibers

Info

Publication number: WO2024058287A1
Application number: PCT/KR2022/013801
Authority: WO
Inventors: 김태균; 이종용; 한승주; 김영훈; 김민정
Original assignee: 주식회사 위워너; 김태균; 이종용
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2024-03-21

Abstract

The present invention relates to a portable device for cutting and polishing optical fibers, which can cut optical fibers and then polish a cut portion in multiple stages. According to the present invention, the cutting and polishing of optical fibers can be carried out by one device, and the polishing can be carried out in multiple stages so as to improve the quality of the polishing operation. In addition, because it is portable, a user can cut and polish optical fibers promptly on site to use the optical fibers, and the cutting and polishing quality can be uniform because an optical fiber connector can be fixed and guided.

Description

Portable optical fiber cutting and polishing device

The present invention relates to an integrated portable polishing device that cuts an optical fiber inserted into a connector and polishes the cut surface in several steps.

As communication technology develops, optical fiber is widely used as an information transmission medium. However, the optical fiber connector used to connect these optical fibers to each other is generally structured to surround and support the ferrule through which the peeled optical fiber is inserted. Additionally, in order to minimize insertion and reflection loss of optical fibers in contact with each other, the cross-sections of the optical fibers in contact with each other must be even. Regarding background technology, reference may be made to Korean Patent Publication No. 10-1527961.

Although the polishing device of the prior art has a variety of functions, it has a complex structure and is a heavy and large device, so it is difficult to transport to the installation site and use, so there is a problem of inefficiency in terms of work time and work efficiency.

Accordingly, the present invention provides a device for cutting and polishing that can cut and polish optical fibers in a portable size in one device, and can improve the quality of polishing by performing the polishing in several stages. The purpose.

To achieve the above object, a housing; and a polishing unit capable of polishing the end surface of the optical fiber to a desired roughness, wherein the polishing unit includes a first polishing unit and a second polishing unit, and the number of particles per unit area of the first polishing unit is determined by the second polishing unit. A portable optical fiber cutting and polishing device is provided in which the number of particles per unit area is reduced.

In one embodiment, the polishing unit further includes a third polishing unit, and the number of particles per unit area of the second polishing unit is smaller than the number of particles per unit area of the third polishing unit. .

In one embodiment, the first polishing unit includes a first rotation drive device and a first sander driven by the first rotation drive device, and a portable optical fiber cutting and polishing unit to which a first polishing member is attached to the first sander Provides a device.

In one embodiment, a portable optical fiber cutting and polishing device is provided in which a first packing member is provided between the first sander and the first polishing member.

In one embodiment, the second polishing unit includes a second rotation drive device and a second sander driven by the second rotation drive device, and the second sander is attached to a second polishing member for cutting and polishing a portable optical fiber. Provides a device.

In one embodiment, a portable optical fiber cutting and polishing device is provided in which a second packing member is provided between the second sander and the second polishing member.

In one embodiment, the third polishing unit includes a third rotation drive device and a third sander driven by the third rotation drive device, and a third sander is attached to the third sander to cut and polish a portable optical fiber. Provides a device.

In one embodiment, a portable optical fiber cutting and polishing device is provided in which a third packing member is provided between the third sander and the third polishing member.

In one embodiment, a first connector guide portion and a first insertion hole are formed in the housing, the first connector guide portion guides a connector accommodating the optical fiber, and the first insertion hole guides the optical fiber into a first insertion hole. A portable optical fiber cutting and polishing device that guides the polishing member is provided.

In one embodiment, a second connector guide portion and a second insertion hole are formed in the housing, the second connector guide portion guides a connector accommodating the optical fiber, and the second insertion hole guides the optical fiber into a second insertion hole. A portable optical fiber cutting and polishing device that guides the polishing member is provided.

In one embodiment, a third connector guide portion and a third insertion hole are formed in the housing, the third connector guide portion guides a connector accommodating the optical fiber, and the third insertion hole guides the optical fiber to a third insertion hole. A portable optical fiber cutting and polishing device that guides the polishing member is provided.

In one embodiment, the polishing device provides a portable optical fiber cutting and polishing device that further includes a cutting portion that cuts the optical fiber while the cutting member moves in a straight line.

In one embodiment, a portable optical fiber cutting and polishing device is provided in which the cutting member is coupled to a carrier that moves linearly, and the carrier is coupled to a rack gear that moves linearly.

In one embodiment, a portable optical fiber cutting and polishing device is provided in which the rack gear engages with a rotationally driven first gear to change the rotational movement of the first gear into a linear movement.

Since optical fiber can be cut and polished on a portable device, users can cut and polish optical fiber immediately in the actual field and use it quickly.

Additionally, since polishing is carried out through several stages, the quality of polishing can be improved.

In addition, the optical fiber connector can be fixed and guided, so the cutting and polishing quality can be uniform.

Figure 1 shows a portable optical fiber cutting and polishing device as one embodiment according to the present invention.

Figures 2a and 2b show a first sander, a second sander, and a third sander as one embodiment according to the present invention.

Figure 3 shows a method of combining a rotary drive device and a fixing member in one embodiment according to the present invention.

Figure 4 shows a method of combining a first sander, a second sander, and a third sander with the rotation axis of the rotation drive device in one embodiment according to the present invention.

Figure 5 shows a polishing unit cover as one embodiment according to the present invention.

Figure 6 specifically shows the first, second, and third connector guides formed on the polishing unit cover in one embodiment according to the present invention.

Figure 7 shows the configuration of a cut part included in the housing in one embodiment according to the present invention.

Figure 8 shows the configuration of a cutting portion in one embodiment according to the present invention.

Figure 9 shows a fourth connector guide formed in a housing as one embodiment according to the present invention.

Figure 10 shows the form of an optical fiber connector.

The invention described below may be subject to various changes and may have various embodiments, and specific embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the invention described below to specific embodiments, and should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the technology described below.

1 to 9 show the configuration of a portable optical fiber cutting and polishing device according to an embodiment of the present invention. Hereinafter, the present invention will be described in more detail with reference to the attached drawings to aid understanding of the present invention. However, the following examples are provided only to make the present invention easier to understand, and the content of the present invention is not limited by the following examples.

Figure 1 schematically shows the configuration of a portable optical fiber cutting and polishing device according to the present invention. When described with reference to FIG. 1, the portable optical fiber cutting and polishing device according to the present invention includes a housing 10, a polishing unit 20, and a cutting unit 30.

Referring to FIG. 1, the housing 10 is a case containing the polishing portion 20 and the cutting portion 30 and may be composed of a main body 11, a polishing portion cover 400, and a cutting portion cover 13. . The cutting portion 30 is for cutting and processing the optical fiber accommodated in the connector. The portable optical fiber cutting and polishing device of the present invention is a portable device that allows users to easily cut and polish optical fibers in the field in one device. Accordingly, the cut end surface of the optical fiber cut at the cutting unit 30 may be polished in a plurality of steps to satisfy the quality conditions required in the field. According to one embodiment, a three-step polishing process may be performed. As the polishing process progresses from step 1 to step 3, the end surface can be polished more smoothly and evenly.

The polishing unit 20 is formed on one side of the main chamber 11 of the housing 10 and may include a first polishing unit 100, a second polishing unit 200, and a third polishing unit 300. there is. The first polishing unit 100 is where the cut end surface of the optical fiber is first polished and can be polished to a rougher level than the polishing of the second polishing unit 200 and the third polishing unit 300. That is, the roughness of the first polishing unit 100 may be rougher than that of the second polishing unit 200, and the roughness of the second polishing unit 200 may be rougher than the roughness of the third polishing unit 300. there is. According to one embodiment, the number of particles per unit area of the first polishing unit 100 may be smaller than the number of particles per unit area of the second polishing unit 200. Additionally, the number of particles per unit area of the second polishing unit 200 may be smaller than the number of particles per unit area of the third polishing unit 300. Therefore, it is preferable to first polish in the first polishing unit 100 and then sequentially polish in the second polishing unit 200 and the third polishing unit 300.

Figures 2a and 2b show a first sander according to the present invention. Referring to FIGS. 2A and 2B , the first polishing unit 100 may include a first sander 110. The first sander 110 may be coupled to the rotation axis of the first rotation drive device 120 and rotate at the same angular speed as the rotation axis of the first rotation drive device 120. A first polishing member 111 may be attached to the first sander 110 on a surface perpendicular to the rotation axis. The first polishing member 111 may rotate with the first sander 110 and polish while contacting and rubbing against the end surface of the optical fiber.

The first polishing member 111 is not limited thereto, but may be sandpaper, whetstone, slag, or diamond.

A first packing member 112 may be provided between the first sander 110 and the first abrasive member 111. The first packing member 112 can improve the adhesion between the first sander 110 and the first abrasive member 111, and allows the optical fiber to come into closer contact with the first abrasive member 111 on the end surface. Since it can be touched, all surfaces can be polished evenly to improve polishing quality.

A first coupling hole 113 is formed in the first sander 110 so that it can be coupled to the rotation axis of the first rotation drive device 120. The first coupling hole 113 may be formed in a shape corresponding to the shape of the rotation axis. The shape of the first coupling hole 113 can be closely coupled to the rotation axis of the first rotation drive device 120 and rotate at the same angular speed.

The housing 10 may be composed of a main body 11, a polishing part cover 400, and a cutting part cover 13.

Figures 5 and 6 show the polishing unit cover and the first connector guide. Referring to FIGS. 5 and 6 , a first insertion hole 410, a second insertion hole 420, and a third insertion hole 430 may be formed in the polishing unit cover 400. The first insertion hole 410 may be connected to communicate with the first polishing member 111 of the first polishing unit 100. The first insertion hole 410 is a hole into which the cut optical fiber is inserted, and the optical fiber inserted into the first insertion hole 410 is polished through friction with the polishing member 111 of the first sander 110. It can be. A rotation surface adjacent to the rotation axis of the polishing member 111 may appear vertically downward from the first insertion hole 410. Even if the rotational angular speed of the polishing member 111 is constant, the speed increases as the distance from the rotation axis increases and the degree of polishing may vary. Therefore, the rotation axis of the polishing member 111 is positioned vertically downward of the first insertion hole 410. It is desirable to have a more rotational surface.

A first connector guide 411 may be formed to protrude from the polishing unit cover 400 around the first insertion hole 410 . The first connector guide 411 is a device that guides the body portion of the connector that accommodates the optical fiber when the optical fiber is inserted into the first insertion hole 410. Since the body portion of the connector has a square cross-section, the first connector guide 411 may also be formed to protrude to correspond to the cross-sectional shape of the body portion of the connector.

A first connector long hole 412 may be formed on one side of the first connector guide 411. The first connector long hole 412 allows the connector protrusion formed on one side of the connector to be guided along the first connector long hole 412 when the connector is guided by the first connector guide 411. You can. The first connector long hole 412 may have a straight shape, and may be formed at an end of the first connector guide 411 by the protruding length of the first connector guide 411.

A first connector protrusion 413 may be formed between the first connector guide 411 and the first insertion hole 410, corresponding to the grooves formed on one side and the other side of the body of the connector. The first connector protrusion 413 prevents the connector from moving on a plane perpendicular to the longitudinal direction while the optical fiber is being polished, and may guide the connector to move in the longitudinal direction.

Figure 3 shows a method of combining a rotation drive device and a fixing member. Referring to FIG. 3, the first rotation drive device 120 may be inserted into the first fixing member and fixed inside the housing 10. A first through hole is formed in the first fixing member so that the rotation axis of the first rotation drive device 120 can protrude through the first through hole. The protruding rotation axis may be combined with the first sander 110.

Figure 4 shows a method of coupling the first sander 110, the second sander 210, and the third sander 310 with the rotation axis of the rotation drive device. Referring to FIG. 4, one side of the main body 11 may be coupled to the sander cover 400, and the other side may be coupled to the cut cover 13. A first sander 110, a second sander 210, and a third sander 310 may be disposed between the sander cover 400 and the main body 11.

The second polishing unit 200 is a place where the end surface of the optical fiber polished through the first polishing unit 100 is then polished, and the roughness can be polished more smoothly and evenly than the first polishing unit 100. The polishing process can be rougher than the polishing process of the third polishing unit 300. Therefore, it is preferable to first polish in the first polishing unit 100 and then sequentially polish in the second polishing unit 200 and the third polishing unit 300.

Referring to FIGS. 2A and 2B , the second polishing unit 200 may include a second sander 210. The second sander 210 may be coupled to the rotation axis of the second rotation drive device 220 and rotate at the same angular speed as the rotation axis of the second rotation drive device 220. A second polishing member 211 may be attached to the second sander 210 on a surface perpendicular to the rotation axis. The second polishing member 211 may polish while rotating with the second sander 210 and contacting and rubbing against the end surface of the optical fiber.

The second polishing member 211 is not limited thereto, but may include sandpaper, whetstone, slag, or diamond.

A second packing member 212 may be provided between the second sander 210 and the second polishing member 211. The second packing member 212 can improve the adhesion between the second sander 210 and the second abrasive member 211, and allows the optical fiber to come into closer contact with the end surface of the second abrasive member 211. All surfaces can be polished evenly, improving polishing quality.

A second coupling hole 213 is formed in the second sander 210 so that it can be coupled to the rotation axis of the second rotation drive device 220. The second coupling hole 213 may be formed in a shape corresponding to the shape of the rotation axis. The shape of the second coupling hole 213 can be tightly coupled to the rotation axis of the second rotation drive device 220 and rotate at the same angular speed.

Referring to FIGS. 5 and 6 , a first insertion hole 410, a second insertion hole 420, and a third insertion hole 430 may be formed in the polishing unit cover 400. The second insertion hole 420 may be connected to communicate with the second polishing member 211 of the second polishing unit 200. The second insertion hole 420 is a hole into which the optical fiber that has been cut or processed through the first polishing unit 100 is inserted, and the optical fiber inserted into the second insertion hole 420 is the second insertion hole of the second sander 210. It can be polished through friction with the polishing member 211. A rotation surface adjacent to the rotation axis of the second polishing member 211 may appear vertically downward from the second insertion hole 420. Even if the rotational angular speed of the second polishing member 211 is constant, the speed increases as the distance from the rotation axis increases, so that the degree of polishing of the end surface of the optical fiber may vary. Therefore, the second insertion hole 420 has a vertically downward direction. 2 It is preferable that the rotation surface appears rather than the rotation axis of the polishing member 211.

A second connector guide 421 may be formed to protrude from the cut cover 400 around the second insertion hole 420. The second connector guide 421 is a device that guides the body of the connector that accommodates the optical fiber when the optical fiber is inserted into the second insertion hole 420. Since the body portion of the connector has a square cross-section, the second connector guide 421 may also be formed to protrude to correspond to the cross-sectional shape of the body portion of the connector.

A second connector long hole 422 may be formed on one side of the second connector guide 421. The second connector long hole 422 allows the connector protrusion formed on one side of the connector to be guided along the second connector long hole 422 when the connector is guided by the second connector guide 421. You can. The second connector long hole 422 may have a straight shape, and may be formed at an end of the second connector guide 421 by the protruding length of the second connector guide 421.

A second connector protrusion 423 may be formed between the second connector guide 421 and the second insertion hole 420, corresponding to the grooves formed on one side and the other side of the body of the connector. The second connector protrusion 423 may prevent the connector from moving on a plane perpendicular to the longitudinal direction while the optical fiber is being polished, and may guide the connector to move in the longitudinal direction.

Referring to FIG. 3, the second rotation drive device 220 may be inserted into the second fixing member and fixed inside the housing 10. A second through hole is formed in the second fixing member so that the rotation axis of the second rotation drive device 220 can protrude through the second through hole. The protruding rotating shaft may be combined with the second sander 210.

The third polishing unit 200 is a place where the end surface of the optical fiber polished through the first polishing unit 100 or the second polishing unit 200 is then polished. The first polishing unit 100 and the second polishing unit The roughness can be polished more smoothly and evenly than that of the part 200. Therefore, it is preferable to first polish in the first polishing unit 100 and then sequentially polish in the second polishing unit 200 and the third polishing unit 300.

Referring to FIGS. 2A and 2B , the third polishing unit 300 may include a third sander 310. The third sander 310 may be coupled to the rotation axis of the third rotation drive device 320 and rotate at the same angular speed as the rotation axis of the third rotation drive device 320. A third polishing member 311 may be attached to the third sander 310 on a surface perpendicular to the rotation axis. The third polishing member 311 may rotate with the third sander 310 and polish while contacting and rubbing against the end surface of the optical fiber.

The third polishing member 311 is not limited thereto, but may include sandpaper, whetstone, slag, or diamond.

A third packing member 312 may be provided between the third sander 310 and the third polishing member 311. The third packing member 312 can improve the adhesion between the third sander 310 and the third abrasive member 311, and allows the optical fiber to come into closer contact with the end surface of the third abrasive member 311. All surfaces can be polished evenly, improving polishing quality.

A third coupling hole 313 is formed in the third sander 310 so that it can be coupled to the rotation axis of the third rotation drive device 320. The third coupling hole 313 may be formed in a shape corresponding to the shape of the rotation axis. The shape of the third coupling hole 313 can be closely coupled to the rotation axis of the third rotation drive device 320 and rotate at the same angular speed.

Referring to FIGS. 5 and 6 , a first insertion hole 410, a second insertion hole 420, and a third insertion hole 430 may be formed in the polishing unit cover 400. The third insertion hole 430 may be connected to communicate with the third polishing member 311 of the third polishing unit 300. The third insertion hole 430 is a hole into which an optical fiber is inserted after cutting, passing through the first polishing unit 100 or the second polishing unit 200. The optical fiber inserted into the third insertion hole 430 is a hole into which the optical fiber is inserted. 3 It can be polished through friction with the third abrasive member 311 of the sander 310. A rotation surface adjacent to the rotation axis of the third polishing member 311 may appear vertically downward from the third insertion hole 430. Even if the rotational angular speed of the third polishing member 311 is constant, the speed increases as the distance from the rotation axis increases, so the degree of polishing of the end surface of the optical fiber may vary, so the third insertion hole 430 has a vertical downward direction. 3 It is preferable that the rotation surface appears rather than the rotation axis of the polishing member 311.

A third connector guide 431 may be formed to protrude from the cut cover 400 around the third insertion hole 430. The third connector guide 431 is a device that guides the body of the connector that accommodates the optical fiber when the optical fiber is inserted into the third insertion hole 430. Since the body portion of the connector has a square cross-section, the third connector guide 431 may also be formed to protrude to correspond to the cross-sectional shape of the body portion of the connector.

A third connector long hole 432 may be formed on one side of the third connector guide 431. The third connector long hole 432 allows the connector protrusion formed on one side of the connector to be guided along the third connector long hole 432 when the connector is guided by the third connector guide 431. You can. The third connector long hole 432 may have a straight shape, and may be formed at an end of the third connector guide 431 by the protruding length of the third connector guide 431.

A third connector protrusion 433 may be formed between the third connector guide 431 and the third insertion hole 430, corresponding to the grooves formed on one side and the other side of the body of the connector. The third connector protrusion 433 may prevent the connector from moving on a plane perpendicular to the longitudinal direction while the optical fiber is being polished, and may guide the connector to move in the longitudinal direction.

Referring to FIG. 3, the third rotation drive device 320 may be inserted into the third fixing member and fixed inside the housing 10. A third through hole is formed in the third fixing member so that the rotation axis of the third rotation drive device 320 can protrude through the third through hole. The protruding rotation axis may be combined with the third sander 310.

Figures 7 to 9 show cut portions. Referring to FIGS. 7 to 9 , the cut portion 20 may be formed on one side of the main body 11 of the housing 10. The cutting unit 20 is a place to evenly cut the coupled optical fiber by inserting the stripped optical fiber into the connector, and includes the carrier 500, the cutting member 510, the rack gear 520, the first gear 530, and the first gear 530. It may include 2 gears 540 and a fourth rotation drive device 550.

The carrier 500 is coupled to the rack gear 520 and can move together along the linear reciprocating motion of the rack gear 520. Additionally, the carrier 500 may slide and move along a slide guide provided in the housing 10.

A cutting member 510 is coupled to one surface of the carrier 500 and can move along the linear reciprocating motion of the carrier 500.

The cutting member 510 is coupled to the carrier 500 and can move along with the linear reciprocating motion of the carrier 500. The cutting member 510 is not limited thereto, but may have a polygonal shape such as a triangle or square, and is preferably circular. A sharp cutting blade is formed around the distal end of the cutting member 510, so that for the safety of the user, it is exposed to the outside of the housing 10 in some sections of the section where the cutting member 510 moves to cut the optical fiber. You can. Since the cutting member 510 is fixed to the carrier 500, as the carrier 500 moves in a straight line, the cutting member 510 is fixed to the carrier 500, so that the optical fiber is cut from the cutting member 510. The cutting area is always constant, so repeated use may reduce the cutting force of the blade in that area. Therefore, in order to maintain cutting force, the cutting member 510 can be rotated by a small angle on the carrier 500. Through this, all cutting blades formed along the circumference of the end of the cutting member 510 can be utilized uniformly.

A fourth connector guide 560 may be formed on the outer surface of the main body 11 of the housing 10 to guide and fix the connector accommodating the optical fiber to an optimal position for cutting the optical fiber. The fourth connector guide 560 may include a connector receiving portion 561, an optical fiber receiving portion 562, and a connector fixing portion 563.

In the prior art, the optical fiber was cut to a length matching the optical fiber connector and then inserted into the optical fiber connector for polishing. However, the portable optical fiber cutting and polishing device according to the present invention cuts the optical fiber into the optical fiber connector regardless if the length of the optical fiber is longer than the optical fiber connector length. , and the optical fiber connector itself is accommodated and fixed in the fourth connector guide 560, and then the protruding optical fiber is simply cut, making work simpler and more efficient.

Referring to FIG. 9, the connector accommodating portion 561 is a space in which a connector guided by the fourth connector guide 560 is accommodated, and the optical fiber accommodating portion 562 may be a space in which an optical fiber is guided and accommodated. . The connector fixing part 563 is a place where the guided connector is accommodated in the fourth connector guide 560 and is fixed so that it does not move. The connector fixing part 563 may be formed with a locking protrusion that can be fixed by engaging with grooves formed on one side and the other side of the connector body part. The connector body part is fixed and coupled to the connector fixing part 563 to minimize the flow of the optical fiber while it is cut at the cutting part 20.

Figure 10 shows the shape of an optical fiber connector. The grooves and protrusions formed on the body of the optical fiber connector are formed in a form that can be guided and fixed when inserted into the first connector guide, second connector guide, third connector guide, and fourth connector guide.

The carrier 500 may be coupled to a surface opposite to the surface of the rack gear 520 where the gear portion is formed. The gear portion of the rack gear 520 may engage with the first gear 530, and the first gear 530 may engage with the second gear 540 to rotate. The second gear may rotate in combination with the rotation axis of the fourth rotation drive device 550. Therefore, the rack gear 520 can reciprocate in a straight line by receiving the rotational force of the fourth rotation drive device 550 from the first gear 530 and the second gear 540.

Although the present technology has been described through the above examples, the present technology is not limited thereto. The above embodiments may be modified or changed without departing from the spirit and scope of the present technology, and those skilled in the art will recognize that such modifications and changes also belong to the present technology.

Claims

housing; and

It includes a polishing unit capable of polishing the end surface of the optical fiber to a desired roughness,

The polishing unit includes a first polishing unit and a second polishing unit,

A portable optical fiber cutting and polishing device wherein the number of particles per unit area of the first polishing unit is smaller than the number of particles per unit area of the second polishing unit.
According to claim 1,

The polishing unit further includes a third polishing unit,

A portable optical fiber cutting and polishing device wherein the number of particles per unit area of the second polishing unit is smaller than the number of particles per unit area of the third polishing unit.
According to claim 1,

The first polishing unit includes a first rotation drive device and a first sander driven by the first rotation drive device,

A portable optical fiber cutting and polishing device in which a first polishing member is attached to the first sander.
According to claim 3,

A portable optical fiber cutting and polishing device wherein a first packing member is provided between the first sander and the first polishing member.
According to claim 1,

The second polishing unit includes a second rotation drive device and a second sander driven by the second rotation drive device,

A portable optical fiber cutting and polishing device in which a second polishing member is attached to the second sander.
According to claim 5,

A portable optical fiber cutting and polishing device wherein a second packing member is provided between the second sander and the second polishing member.
According to claim 2,

The third polishing unit includes a third rotation drive device and a third sander driven by the third rotation drive device,

A portable optical fiber cutting and polishing device in which a third polishing member is attached to the third sander.
According to claim 7,

A portable optical fiber cutting and polishing device wherein a third packing member is provided between the third sander and the third polishing member.
According to claim 3,

A first connector guide portion and a first insertion hole are formed in the housing,

The first connector guide portion guides the connector accommodating the optical fiber,

The first insertion hole is a portable optical fiber cutting and polishing device that guides the optical fiber to the first polishing member.
According to claim 5,

A second connector guide portion and a second insertion hole are formed in the housing,

The second connector guide guides the connector accommodating the optical fiber,

The second insertion hole is a portable optical fiber cutting and polishing device that guides the optical fiber to the second polishing member.
According to claim 7,

A third connector guide portion and a third insertion hole are formed in the housing,

The third connector guide guides the connector accommodating the optical fiber,

The third insertion hole is a portable optical fiber cutting and polishing device that guides the optical fiber to the third polishing member.
According to claim 1,

The polishing device is a portable optical fiber cutting and polishing device further comprising a cutting portion that cuts the optical fiber while the cutting member moves in a straight line.
According to claim 12,

The cutting member is coupled to a carrier that moves linearly,

The carrier is a portable optical fiber cutting and polishing device coupled to a rack gear that moves in a straight line.
According to claim 13,

A portable optical fiber cutting and polishing device in which the rack gear engages with a first gear that rotates and changes the rotational movement of the first gear into linear movement.