CN214167776U - Wire drawing furnace capable of automatically controlling furnace pressure - Google Patents
Wire drawing furnace capable of automatically controlling furnace pressure Download PDFInfo
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- CN214167776U CN214167776U CN202022249802.XU CN202022249802U CN214167776U CN 214167776 U CN214167776 U CN 214167776U CN 202022249802 U CN202022249802 U CN 202022249802U CN 214167776 U CN214167776 U CN 214167776U
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Abstract
The utility model discloses a wire drawing furnace capable of automatically controlling furnace pressure, which comprises a wire drawing furnace body, wherein the inner wall of the wire drawing furnace body is welded with a connecting sleeve, the connecting sleeve is welded on the surface of an inner furnace body, the surface of a positioning rod is welded with a positioning slide block, the positioning slide block is connected inside a positioning chute in a sliding way, the inner furnace body is fixed in the wire drawing furnace body through the connecting sleeve to form a multilayer protection structure, the heat preservation filler is filled between the inner furnace body and the wire drawing furnace body, the heat exchange between the inner furnace body and the wire drawing furnace body is blocked by the heat insulation sleeve, the temperature uniformity during the production of the optical fiber is ensured, when the pressure in the optical fiber perform is overlarge, the pressure regulating closing plate is separated from the sealing groove and extrudes the extrusion spring, so that the pressure in the optical fiber perform is effectively relieved when entering the inner furnace body, meanwhile, a pressure controller arranged in the wire drawing furnace body controls the internal pressure to be in a normal state, so that the efficiency and the safety of optical fiber production are ensured, and the wire drawing furnace is suitable for popularization.
Description
Technical Field
The utility model belongs to the technical field of the optical fiber production equipment, specifically speaking relates to a wire drawing stove of automatic control stove pressure.
Background
Optical fiber drawing means that an optical fiber perform with a certain diameter is melted on line through a drawing device and drawn into an optical fiber with a certain geometric requirement, the traditional drawing furnace in the optical fiber industry is a direct current resistance heating furnace and a medium-high frequency alternating current induction heating furnace at present, wherein the working principle of the direct current resistance heating furnace is that direct current is heated through graphite or other heating bodies, then a graphite central tube is heated through heat conduction and finally radiated to the optical fiber perform, the perform is heated and melted and finally drawn into a glass optical fiber, the drawing furnace is generally of a single-layer structure, heat exchange can be generated inside and outside the drawing furnace in the process of producing the optical fiber, so that the temperature in the drawing furnace can not be kept uniform, the production quality of the optical fiber is further influenced, meanwhile, a pressure control device is generally arranged in the drawing furnace, but when the pressure in the optical fiber perform in the drawing furnace is too large, the internal pressure of the controller can not be controlled in time in a short time, resulting in damage to the optical fiber preform and a risk of explosion.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides a wire drawing stove of automatic control stove pressure, for solving above-mentioned technical problem, the utility model discloses a technical scheme's basic design is:
a wire drawing furnace capable of automatically controlling furnace pressure comprises a wire drawing furnace body, wherein a connecting sleeve is welded on the inner wall of the wire drawing furnace body, the connecting sleeve is welded on the surface of an inner furnace body, a heat insulation sleeve is welded on the surface of the inner furnace body, the heat insulation sleeve is welded on the inner wall of the wire drawing furnace body, heat insulation filler is filled between the wire drawing furnace body, the connecting sleeve, the inner furnace body and the heat insulation sleeve, an optical fiber perform is arranged inside the wire drawing furnace body, a sealing groove is arranged inside the optical fiber perform, a pressure regulating sealing plate is slidably connected inside the sealing groove, the pressure regulating sealing plate is welded on the surface of an extrusion spring, the extrusion spring is welded on the inner wall of the wire drawing furnace body, a positioning rod is welded on the surface of the pressure regulating sealing plate, the positioning rod is slidably connected inside the positioning sleeve, the positioning sleeve is welded on the inner wall of the inner furnace body, a positioning spring is welded on the surface of the positioning rod, the surface welding of locating lever has the location slider, and the inside of position sleeve is equipped with the location spout, location slider sliding connection is in the inside of location spout.
The connecting sleeve is of a circular ring-shaped structure and is provided with a plurality of groups, the groups of connecting sleeves are arranged at equal intervals, and the connecting sleeves are welded on the inner wall of the wire drawing furnace body and the outer side surface of the inner furnace body.
The heat insulation sleeve is of a circular ring-shaped structure, the heat insulation sleeve is welded on the upper surface of the inner furnace body and the upper inner wall of the wire drawing furnace body, the heat insulation sleeve is arranged on the outer side of the optical fiber perform, and the heat insulation filler is filled in the wire drawing furnace body and the outer side of the inner furnace body.
The seal groove is provided with the multiunit, and the even interval of multiunit seal groove sets up in optical fiber perform's inside, and the pressure regulating shrouding comprises arc and stripper bar, and the stripper bar welding is on the outside surface of arc, and the arc sets up with the seal groove phase-match, and arc sliding connection is in the inside of seal groove, and the stripper bar extrusion is on the surface of extrusion spring.
The positioning rod is of a round rod-shaped structure, the positioning sleeve is of a round frame structure, multiple groups of positioning rods and the positioning sleeve are arranged, the horizontal part of the positioning sleeve is welded on the inner wall of the inner furnace body, the positioning rod is connected inside the concave part of the positioning sleeve in a sliding mode, and the positioning spring is welded on the inner wall of the concave part of the positioning sleeve and the outer surface of the positioning rod.
The locating slide block is welded on the surfaces of two sides of the outer end of the locating rod, the locating slide groove is arranged inside the protruding part of the locating sleeve, and the locating rod is connected inside the concave part of the locating sleeve in a sliding mode through the locating slide block and the locating slide groove.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.
Interior furnace body passes through the adapter sleeve to be fixed in the wire drawing furnace body, form multilayer protection structure, pack the heat preservation filler and block inside and outside heat exchange through the radiation shield between interior furnace body and the wire drawing furnace body, the homogeneity of temperature when guaranteeing optical fiber production, when optical fiber perform internal pressure is too big, the pressure regulating shrouding breaks away from the seal groove and extrudees the extrusion spring, make pressure in the optical fiber perform enter interior furnace body and effectively alleviate, built-in pressure controller control internal pressure of wire drawing furnace body to normal condition simultaneously, guarantee the efficiency and the security of optical fiber production, and is suitable for promoting.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure between the optical fiber preform and the pressure-regulating sealing plate of the present invention;
fig. 3 is an enlarged view of a structure a in fig. 1.
In the figure: 1. a wire drawing furnace body; 2. connecting sleeves; 3. an inner furnace body; 4. a heat insulating sleeve; 5. heat preservation filler; 6. an optical fiber preform; 7. a sealing groove; 8. a pressure regulating closing plate; 9. a compression spring; 10. positioning a rod; 11. a positioning sleeve; 12. a positioning spring; 13. positioning the sliding block; 14. and a positioning chute.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
Referring to fig. 1, 2 and 3, the wire drawing furnace capable of automatically controlling furnace pressure comprises a wire drawing furnace body 1, wherein a connecting sleeve 2 is welded on the inner wall of the wire drawing furnace body 1, the connecting sleeve 2 is welded on the surface of an inner furnace body 3, the connecting sleeve 2 is in a circular ring structure, the connecting sleeves 2 are provided with a plurality of groups, the groups of connecting sleeves 2 are arranged at equal intervals, the connecting sleeves 2 are welded on the inner wall of the wire drawing furnace body 1 and the outer side surface of the inner furnace body 3, the inner furnace body 3 is fixed in the wire drawing furnace body 1 through the connecting sleeves 2, the wire drawing furnace body 1 effectively protects the inner furnace body 3 in the production process, and the inner furnace body 3 is prevented from being directly damaged by external force;
referring to fig. 1, a heat insulating sleeve 4 is welded on the surface of an inner furnace body 3, the heat insulating sleeve 4 is welded on the inner wall of a wire drawing furnace body 1, a connecting sleeve 2, and heat insulating filler 5 are filled between the inner furnace body 3 and the heat insulating sleeve 4, the heat insulating sleeve 4 is in a circular structure, the heat insulating sleeve 4 is welded on the upper surface of the inner furnace body 3 and the upper inner wall of the wire drawing furnace body 1, the heat insulating sleeve 4 is arranged on the outer side of an optical fiber preform 6, the heat insulating filler 5 is filled in the wire drawing furnace body 1 and the outer side of the inner furnace body 3, the pressure in the inner furnace body 3 is blocked by the heat insulating sleeve 4 to exchange towards the outside of the wire drawing furnace body 1, meanwhile, the heat insulating filler 5 is used for preserving the heat in the inner furnace body 3, and the uniformity of the temperature during the production of the optical fiber is ensured;
referring to fig. 2, an optical fiber perform 6 is arranged inside a wire drawing furnace body 1, a sealing groove 7 is arranged inside the optical fiber perform 6, a pressure regulating sealing plate 8 is slidably connected inside the sealing groove 7, the pressure regulating sealing plate 8 is welded on the surface of an extrusion spring 9, the extrusion spring 9 is welded on the inner wall of the wire drawing furnace body 1, a pressure controller is arranged inside the inner wall of the wire drawing furnace body 1 and controlled by a main controller, a plurality of groups of sealing grooves 7 are arranged in the sealing groove 7, the groups of sealing grooves 7 are uniformly arranged inside the optical fiber perform 6 at intervals, the pressure regulating sealing plate 8 is composed of an arc plate and an extrusion rod, the extrusion rod is welded on the outer side surface of the arc plate, the arc plate is matched with the sealing groove 7, the arc plate is slidably connected inside the sealing groove 7, the extrusion rod extrudes on the surface of the extrusion spring 9, at the moment, the excessive pressure in the optical fiber perform 6 enters the inner furnace body 3, so that the optical fiber perform 6 is prevented from being damaged due to the pressure action, and the efficiency and the safety of optical fiber production are ensured;
referring to fig. 3, the positioning rod 10 is welded on the surface of the pressure regulating closing plate 8, the positioning rod 10 is slidably connected inside the positioning sleeve 11, the positioning sleeve 11 is welded on the inner wall of the inner furnace body 3, and the inner wall of the positioning sleeve 11 is welded with a positioning spring 12, the positioning spring 12 is welded on the surface of the positioning rod 10, the positioning rod 10 is in a round rod-shaped structure, the positioning sleeve 11 is in a round frame structure, a plurality of groups of positioning rods 10 and the positioning sleeve 11 are arranged, the horizontal part of the positioning sleeve 11 is welded on the inner wall of the inner furnace body 3, the positioning rod 10 is connected in the concave part of the positioning sleeve 11 in a sliding way, the positioning spring 12 is welded on the inner wall of the concave part of the positioning sleeve 11 and the outer side surface of the positioning rod 10, in the process that the pressure regulating seal plate 8 slides outwards, the positioning rod 10 slides in the positioning sleeve 11 and is extruded on the surface of the positioning spring 12, and the positioning spring 12 is reset and stretched after the pressure is normal, so that the pressure regulating seal plate 8 seals the seal groove 7 again;
referring to fig. 3, the skin weld of locating lever 10 has location slider 13, the inside of position sleeve 11 is equipped with location spout 14, location slider 13 sliding connection is in the inside of location spout 14, location slider 13 welds the outer end both sides surface at locating lever 10, location spout 14 sets up inside the protruding portion of position sleeve 11, locating lever 10 is inside the sunk part of position sleeve 11 through location slider 13 and location spout 14 sliding connection, at locating lever 10 to the gliding in-process in position of position sleeve 11, location slider 13 slides in the inside location of location spout 14, avoid locating lever 10 to take place the off normal, and then guarantee the gliding stability of pressure regulating shrouding 8 in seal groove 7, guarantee the leakproofness of pressure regulating shrouding 8 to seal groove 7.
The working principle is as follows: the inner furnace body 3 is fixed inside the wire drawing furnace body 1 through a plurality of groups of connecting sleeves 2 to form a multilayer structure, the inner furnace body 3 is effectively protected through the wire drawing furnace body 1, the inner furnace body 3 is prevented from being damaged due to collision and other effects, meanwhile, the heat inside the inner furnace body 3 is effectively prevented from being dissipated to the outside through the heat insulating sleeve 4 and the heat insulating filler 5, the temperature inside the wire drawing furnace body 1 is ensured to be kept uniform in the optical fiber production process, and further, the production quality of optical fibers is ensured, in the actual production process, when the pressure inside the optical fiber perform 6 is overlarge, the pressure regulating closing plate 8 is separated from the sealing groove 7 and extruded on the surface of the extrusion spring 9 under the action of pressure, meanwhile, the positioning rod 10 slides and is extruded on the positioning spring 12 in the positioning sleeve 11, at the moment, the excessive pressure inside the optical fiber perform 6 enters the inner furnace body 3, the pressure action inside the optical fiber perform 6 is effectively relieved, and the safety during the optical fiber production is ensured, simultaneously, a built-in pressure controller in the wire drawing furnace body 1 reacts and regulates and controls the pressure inside the optical fiber perform 6, so that the pressure inside the optical fiber perform 6 is returned to a normal state, and the pressure regulating sealing plate 8 is enabled to seal the sealing groove 7 again, and the wire drawing furnace is simple in structure and suitable for popularization.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.
Claims (6)
1. The utility model provides an automatic wire drawing stove of control stove pressure, includes wire drawing furnace body (1), its characterized in that: the inner wall welding of wire drawing furnace body (1) has adapter sleeve (2), adapter sleeve (2) welding is on the surface of interior furnace body (3), the skin weld of interior furnace body (3) has heat insulating sleeve (4), heat insulating sleeve (4) welding is at the inner wall of wire drawing furnace body (1), it has heat preservation filler (5) to fill between wire drawing furnace body (1), adapter sleeve (2), interior furnace body (3) and heat insulating sleeve (4), the inside of wire drawing furnace body (1) is provided with prefabricated optical fiber rod (6), the inside of prefabricated optical fiber rod (6) is equipped with seal groove (7), the inside sliding connection of seal groove (7) has pressure regulating shrouding (8), pressure regulating shrouding (8) welding is on the surface of extrusion spring (9), extrusion spring (9) welding is at the inner wall of wire drawing furnace body (1), and the skin weld of pressure regulating shrouding (8) has locating lever (10), locating lever (10) sliding connection is in the inside of position sleeve (11), the inner wall of furnace body (3) in the welding of position sleeve (11), and the inner wall welding of position sleeve (11) has positioning spring (12), positioning spring (12) welding is on the surface of locating lever (10), and the skin weld of locating lever (10) has location slider (13), and the inside of position sleeve (11) is equipped with location spout (14), location slider (13) sliding connection is in the inside of location spout (14).
2. The wire drawing furnace capable of automatically controlling the furnace pressure according to claim 1, wherein the connecting sleeves (2) are of an annular structure, the connecting sleeves (2) are provided with a plurality of groups, the groups of connecting sleeves (2) are arranged at equal intervals, and the connecting sleeves (2) are welded on the inner wall of the wire drawing furnace body (1) and the outer side surface of the inner furnace body (3).
3. The drawing furnace capable of automatically controlling the furnace pressure according to claim 1, wherein the heat insulating sleeve (4) is of a circular ring-shaped structure, the heat insulating sleeve (4) is welded on the upper surface of the inner furnace body (3) and the upper inner wall of the drawing furnace body (1), the heat insulating sleeve (4) is arranged on the outer side of the optical fiber preform (6), and the heat insulating filler (5) is filled in the drawing furnace body (1) and the outer side of the inner furnace body (3).
4. The wire drawing furnace capable of automatically controlling the furnace pressure according to claim 1, wherein a plurality of groups of sealing grooves (7) are arranged, the groups of sealing grooves (7) are uniformly arranged inside the optical fiber preform rod (6) at intervals, the pressure regulating sealing plate (8) is composed of an arc-shaped plate and an extrusion rod, the extrusion rod is welded on the outer side surface of the arc-shaped plate, the arc-shaped plate is matched with the sealing grooves (7), the arc-shaped plate is slidably connected inside the sealing grooves (7), and the extrusion rod extrudes on the surface of the extrusion spring (9).
5. The wire drawing furnace capable of automatically controlling the furnace pressure according to claim 1, wherein the positioning rod (10) is of a round rod-shaped structure, the positioning sleeve (11) is of a round frame structure, a plurality of groups of positioning rods (10) and positioning sleeves (11) are arranged, the horizontal part of each positioning sleeve (11) is welded on the inner wall of the inner furnace body (3), the positioning rod (10) is slidably connected inside the concave part of each positioning sleeve (11), and the positioning spring (12) is welded on the inner wall of the concave part of each positioning sleeve (11) and the outer side surface of each positioning rod (10).
6. The wire drawing furnace capable of automatically controlling the furnace pressure according to claim 1, wherein the positioning sliding blocks (13) are welded on the two side surfaces of the outer end of the positioning rod (10), the positioning sliding grooves (14) are arranged inside the protruding parts of the positioning sleeve (11), and the positioning rod (10) is slidably connected inside the recessed parts of the positioning sleeve (11) through the positioning sliding blocks (13) and the positioning sliding grooves (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022249802.XU CN214167776U (en) | 2020-10-12 | 2020-10-12 | Wire drawing furnace capable of automatically controlling furnace pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022249802.XU CN214167776U (en) | 2020-10-12 | 2020-10-12 | Wire drawing furnace capable of automatically controlling furnace pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214167776U true CN214167776U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022249802.XU Active CN214167776U (en) | 2020-10-12 | 2020-10-12 | Wire drawing furnace capable of automatically controlling furnace pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214167776U (en) |
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2020
- 2020-10-12 CN CN202022249802.XU patent/CN214167776U/en active Active
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