Optical fiber drawing furnace facilitating uniform drawing

Abstract

The utility model relates to the technical field of wire drawing furnaces, in particular to an optical fiber wire drawing furnace convenient for uniform wire drawing, which comprises a main body box, a support plate is fixedly connected in the main body box, an optical fiber heating furnace is fixedly connected on the top surface of the support plate, and two support rods are fixedly connected on the inner wall of the main body box. A supporting ring is fixedly connected to the top surfaces of the two supporting rods, an optical preform rod is arranged on the top surface of the supporting ring, an adjusting plate is arranged in the main body box, and the supporting plate, the supporting rods, the supporting ring, the optical preform rod, the adjusting plate, a movable column, a spring, a supporting block, a connecting block and the like are matched for use; when the optical preform is subjected to melting and wire drawing through the optical fiber heating furnace, the spring stretches to push the optical preform to uniformly move downwards along with the shortening of wire drawing of the optical preform, so that the phenomenon that the wire drawing uniformity of the optical fiber heating furnace is influenced when the optical preform cannot uniformly enter the optical fiber heating furnace in the wire drawing process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire drawing furnace technical field, concretely is a kind of optical fiber wire drawing furnace of uniform wire drawing is convenient. BACKGROUND

[0002] Optical fiber is the abbreviation of optical waveguide fiber, is a kind of fiber made of glass or plastic, can be used as light transmission tool.

[0003] In prior art, the traditional optical fiber wire drawing furnace is placed in the optical fiber heating furnace, and then heated and melted to draw wire, since the temperature in the optical fiber heating furnace is uniformly increased or decreased, when the whole optical fiber preform is placed in the optical fiber heating furnace, the heat generated by the optical fiber heating furnace will uniformly act on the optical fiber preform in the heating furnace, thereby causing the optical fiber preform in the optical fiber heating furnace to be completely melted, and further increasing the uniformity of wire drawing, and using the uniform speed descending mode, the melting speed in the optical fiber heating furnace and the preform descending speed do not match, which can also affect the uniformity of optical fiber wire drawing, therefore, the present application provides an optical fiber wire drawing furnace for conveniently uniform wire drawing to solve the above problems. SUMMARY

[0004] The utility model discloses a kind of optical fiber wire drawing furnaces for conveniently uniform wire drawing, to solve the problems raised in the above background.

[0005] The technical scheme of the utility model is: a kind of optical fiber wire drawing furnace for conveniently uniform wire drawing, including main body box, the inside fixedly connected with support plate of main body box, the top surface of support plate is fixedly connected with optical fiber heating furnace, the inner wall of main body box is fixedly connected with two support rods, the top surface of two support rods is fixedly connected with support ring, the top surface of support ring is provided with optical preform, the inside of main body box is provided with adjusting plate, the top surface of adjusting plate is equipped with movable hole, the inner wall of movable hole is movably sleeved with movable column, the surface of movable column is sleeved with spring, the bottom surface of movable column is fixedly connected with support block, the bottom surface of support block is fixedly connected with connecting block, the side wall of connecting block is fixedly connected with back fixed ring, the surface of back fixed ring is equipped with two fixed screw holes, the side wall of back fixed ring is provided with front fixed ring, the surface of front fixed ring is equipped with fixed hole, the inner wall of fixed hole is movably sleeved with fixed bolt, the surface of fixed bolt is screw connected with fixed screw hole.

[0006] Preferably, the inner wall of the main body box is fixedly connected with a concave sliding plate, the side wall of the concave sliding plate is provided with two sliding holes, the inner wall of the concave sliding plate is slidingly connected with the surface of the adjusting plate, the surface of the adjusting plate is provided with a plurality of adjusting screw holes, the inner wall of the adjusting screw hole is threadedly connected with an adjusting bolt, and the surface of the adjusting bolt is movably sleeved with the inner wall of the sliding hole.

[0007] Preferably, the back fixed ring and the front fixed ring are provided with a same anti-skid groove on the surface, and the anti-skid groove has a width of 0.5 cm.

[0008] Preferably, the bottom surface of the optical preform rod is in abutment with the inner wall of the supporting ring, and the inner wall of the supporting ring is in a conical structure.

[0009] Preferably, the side wall of the main box is provided with a through hole, the inner wall of the through hole is movably sleeved with a shielding plate, and the side wall of the shielding plate is provided with a hand pulling groove.

[0010] Preferably, the upper end of the spring is fixedly connected with the bottom surface of the adjusting plate, and the lower end of the spring is fixedly connected with the top surface of the supporting block.

[0011] The utility model discloses an optical fiber drawing furnace convenient for uniform wire drawing, which has the following improvements and advantages compared with the prior art.

[0012] Firstly, the utility model discloses a supporting plate, a supporting rod, a supporting ring, an optical preform rod, an adjusting plate, a movable column, a spring, a supporting block and a connecting block are used in cooperation, so that when the optical preform rod is melted and drawn through the optical fiber heating furnace, the optical preform rod is shortened and the spring is stretched to push the optical preform rod to move downward uniformly, thereby avoiding affecting the uniformity of the drawing of the optical fiber heating furnace when the optical preform rod cannot enter the optical fiber heating furnace uniformly during the drawing process.

[0013] Secondly, the utility model discloses a sliding hole, a concave sliding plate, an adjusting bolt and an adjusting threaded hole are used in cooperation, so that when the optical preform rod of different heights or the different pressing forces of the adjusting supporting block are encountered, the optical preform rod of different heights can be assembled or the different pressing forces can be adjusted by screwing the adjusting bolt and sliding the adjusting plate. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be explained further in combination with the drawings and embodiments:

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the concave sliding plate structure schematic diagram of the utility model;

[0017] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0018] Figure 4 It is the adjusting plate structure schematic diagram of the utility model.

[0019] MARKING OF DRAWINGS:

[0020] 1, the main body box; 2, support plate; 3, optical fiber heating furnace; 4, support rod; 5, support ring; 6, optical preform; 7, adjusting plate; 8, movable column; 9, spring; 10, support block; 11, connecting block; 12, back fixed ring; 13, front fixed ring; 14, fixed bolt; 15, concave sliding plate; 16, sliding hole; 17, adjusting bolt; 18, baffle. DETAILED DESCRIPTION

[0021] The utility model discloses a detailed description is carried out below, and the technical scheme of the embodiment of the utility model is clearly and completely described, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0022] The utility model discloses an optical fiber drawing furnace convenient for uniform wire drawing is provided by improvement, the technical scheme of the utility model is:

[0023] As shown in figure, Figure 1 - Figure 4 A kind of optical fiber drawing furnace convenient for uniform wire drawing, including main body box 1, the inside fixed connection of main body box 1 has support plate 2, the top surface fixed connection of support plate 2 has optical fiber heating furnace 3, the inner wall fixed connection of main body box 1 has two support rods 4, the top surface fixed connection of two support rods 4 has support ring 5, the top surface of support ring 5 is provided with optical preform 6, the inside of main body box 1 is provided with adjusting plate 7, the top surface of adjusting plate 7 is opened with movable hole, the inner wall of movable hole is movably sleeved with movable column 8, the surface of movable column 8 is sleeved with spring 9, the bottom surface of movable column 8 is fixedly connected with support block 10, the bottom surface of support block 10 is fixedly connected with connecting block 11, the side wall of connecting block 11 is fixedly connected with back fixed ring 12, the surface of back fixed ring 12 is opened with two fixed screw holes, the side wall of back fixed ring 12 is provided with front fixed ring 13, the surface of front fixed ring 13 is opened with fixed hole, the inner wall of fixed hole is movably sleeved with fixed bolt 14, the surface of fixed bolt 14 is screw connected with fixed screw hole.

[0024] Further, the inner wall of main body box 1 is fixedly connected with concave sliding plate 15, the side wall of concave sliding plate 15 is opened with two sliding holes 16, the inner wall of concave sliding plate 15 is slidably connected with the surface of adjusting plate 7, the surface of adjusting plate 7 is opened with a plurality of adjusting screw holes, the inner wall of adjusting screw hole is screw connected with adjusting bolt 17, the surface of adjusting bolt 17 is movably sleeved with the inner wall of sliding hole 16, by the concave sliding plate 15 of being set, further convenient for adjusting the height or down pressure of optical preform 6.

[0025] Further, the surface of the back fixing ring 12 and the front fixing ring 13 is provided with the same anti-skid groove, the anti-skid groove width is 0.5cm, through the setting anti-skid groove, further increase the friction between the fixed end of the optical preform 6 and the back fixing ring 12 and the front fixing ring 13 friction when fixed.

[0026] Further, the bottom surface of the optical preform 6 is in abutment with the inner wall of the supporting ring 5, the inner wall of the supporting ring 5 is a tapered structure, through the setting tapered structure supporting ring 5, further facilitate control the depth of the optical preform 6 in the optical fiber heating furnace 3.

[0027] Further, the sidewall of the main box 1 is provided with a through hole, the inner wall of the through hole is movably sleeved with a shielding plate 18, the sidewall of the shielding plate 18 is provided with a hand pulling groove, through the setting hand pulling groove, further facilitate pulling the shielding plate 18.

[0028] Further, the upper end of the spring 9 is fixedly connected with the bottom surface of the adjusting plate 7, the lower end of the spring 9 is fixedly connected with the top surface of the supporting block 10, through the setting spring 9, so that the descending speed can be obtained according to the melting speed of the optical preform 6.

[0029] Working principle: through the setting optical fiber heating furnace 3, the optical preform 6 is placed in the inside of the optical fiber heating furnace 3 so that the lower end of the optical preform 6 is in abutment with the inner wall of the supporting ring 5, through the setting front fixing ring 13, counterclockwise screwing the fixing bolt 14, then placing the fixed top end of the optical preform 6 in the connecting block 11 and the front fixing ring 13, then clockwise screwing the adjusting bolt 17 to fix the surface of the optical preform 6, when the optical preform 6 is melted and drawn through the optical fiber heating furnace 3, as the optical preform 6 is drawn shorter, the spring 9 is stretched to push the optical preform 6 to move downward uniformly, thereby avoiding affecting the uniformity of the drawing of the optical fiber heating furnace 3 when the optical preform 6 cannot enter the optical fiber heating furnace 3 uniformly during the drawing process, when encountering optical preforms 6 of different heights or adjusting the size of the downward pressure of the supporting block 10, after screwing the adjusting bolt 17, sliding the adjusting plate 7 can assemble optical preforms 6 of different heights, or adjust the size of the downward pressure.

[0030] The above description enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fiber drawing furnace for facilitating uniform fiber drawing, comprising a main box (1), characterized in that: The inner fixed connection of the main box (1) has a support plate (2), the top surface of the support plate (2) is fixedly connected with an optical fiber heating furnace (3), the inner wall of the main box (1) is fixedly connected with two support rods (4), the top surface of the two support rods (4) is fixedly connected with a support ring (5), the top surface of the support ring (5) is provided with an optical preform (6), the inside of the main box (1) is provided with an adjusting plate (7), the top surface of the adjusting plate (7) is provided with a movable hole, the inner wall of the movable hole is movably sleeved with a movable column (8), the surface of the movable column (8) is sleeved with a spring (9), the bottom surface of the movable column (8) is fixedly connected with a support block (10), the bottom surface of the support block (10) is fixedly connected with a connecting block (11), the side wall of the connecting block (11) is fixedly connected with a back fixed ring (12), the surface of the back fixed ring (12) is provided with two fixed threaded holes, the side wall of the back fixed ring (12) is provided with a front fixed ring (13), the surface of the front fixed ring (13) is provided with a fixed hole, the inner wall of the fixed hole is movably sleeved with a fixed bolt (14), the surface of the fixed bolt (14) is threadedly connected with the fixed threaded hole.

2. The optical fiber drawing furnace for facilitating uniform fiber drawing according to claim 1, wherein: The inner wall of the main box (1) is fixedly connected with a concave sliding plate (15), the side wall of the concave sliding plate (15) is provided with two sliding holes (16), the inner wall of the concave sliding plate (15) is slidably connected with the surface of the adjusting plate (7), the surface of the adjusting plate (7) is provided with a plurality of adjusting threaded holes, the inner wall of the adjusting threaded hole is threadedly connected with an adjusting bolt (17), the surface of the adjusting bolt (17) is movably sleeved with the inner wall of the sliding hole (16).

3. The optical fiber drawing furnace for facilitating uniform fiber drawing of claim 1, wherein: The surface of the back fixed ring (12) and the front fixed ring (13) is provided with the same anti-skid groove, the width of the anti-skid groove is 0.5cm.

4. The optical fiber drawing furnace for facilitating uniform fiber drawing of claim 1, wherein: The bottom surface of the optical preform (6) abuts against the inner wall of the support ring (5), the inner wall of the support ring (5) is a conical structure.

5. The optical fiber drawing furnace for facilitating uniform fiber drawing of claim 1, wherein: The side wall of the main box (1) is provided with a through hole, the inner wall of the through hole is movably sleeved with a shielding plate (18), the side wall of the shielding plate (18) is provided with a hand pulling groove.

6. The optical fiber drawing furnace for facilitating uniform fiber drawing of claim 1, wherein: The upper end of the spring (9) is fixedly connected with the bottom surface of the adjusting plate (7), the lower end of the spring (9) is fixedly connected with the top surface of the support block (10).

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