Molding furnace electric heating wire and molding furnace

Abstract

The utility model discloses a forming furnace electric heating wire and a forming furnace, and particularly relates to the technical field of glass manufacturing, by arranging an electric heating wire body, a connecting mechanism and a protection mechanism, when the forming furnace electric heating wire is used, the connecting mechanism is installed in the forming furnace, and a plurality of first clamping positions distributed at intervals in the circumferential direction are formed in the connecting mechanism; the electric heating wire body is detachably clamped to all the first clamping positions, the protection mechanisms are arranged on the inner side of the connecting mechanism at intervals, the electric heating wire body is arranged between the connecting mechanism and the protection mechanisms in a penetrating mode, and a flowing space allowing molten glass to flow is formed in each protection mechanism; a plurality of second clamping positions distributed at intervals in the circumferential direction of the protection mechanism are formed on the periphery of the protection mechanism, the first clamping positions and the second clamping positions are distributed at intervals, and the second clamping positions are detachably clamped to the electric heating wire body. The electric heating wire body does not need to be installed in the forming furnace in a tin soldering mode and the like, falling of the electric heating wire body caused by temperature changes is avoided, and the connection stability of the electric heating wire body and the forming furnace is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass manufacturing technical field, especially a kind of forming furnace electric heating wire and forming furnace. BACKGROUND

[0002] Glass manufacturing technology has experienced several development stages, from early blowing method, pressing method to modern float method, overflow down-draw method, etc., and the technology is constantly improving. The overflow down-draw forming equipment is a manufacturing technology for producing ultra-thin glass. The equipment includes an overflow container and a forming furnace. The forming furnace is provided with a vertical forming channel. The glass liquid in the overflow container is gradually cooled and formed through the forming channel. With the continuous development of display technology, high definition, thinness and large size have become the development trend of glass manufacturing, which puts higher requirements on glass manufacturing technology, especially the control of thickness uniformity.

[0003] Currently, the electric heating wire installation technology in glass manufacturing technology has made certain progress. Electric heating wire is the most common heating element, which converts electrical energy into heat energy after being electrified. In the glass manufacturing process, electric heating wire is used to heat glass liquid to ensure that the glass liquid maintains an appropriate temperature during the forming process. Existing electric heating wire installation technology usually includes winding electric heating wire into a spiral shape, then installing it at a designated location and fixing it through spot welding or mechanical connection. In addition, some advanced electric heating wire installers have also been developed to improve installation efficiency and quality.

[0004] In the prior art, when installing electric heating wire in the glass forming furnace, tin soldering or other methods are used to fix the electric heating wire in the forming furnace. Although this method can achieve the function of fixing the electric heating wire, the electric heating wire in the prior art is installed in a winding manner, which causes gaps on the surface of the electric heating wire. The gaps between the electric heating wires cause the glass liquid to adhere to the gaps, which reduces the heating efficiency of the electric heating wire and affects the normal use of the equipment. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a forming furnace electric heating wire and a forming furnace, which aims to solve the technical problem that the electric heating wire in related technology is installed in a winding manner, which causes gaps on the surface of the electric heating wire. The gaps between the electric heating wires cause the glass liquid to adhere to the gaps, which reduces the heating efficiency of the electric heating wire and affects the normal use of the equipment.

[0006] To achieve the above purpose, the utility model provides a forming furnace electric heating wire, which comprises:

[0007] Electric heating wire body;

[0008] A connecting mechanism is installed in the forming furnace, a plurality of first clamping positions are formed in the connecting mechanism in a circumferential direction, and the heating wire body is detachably clamped in all the first clamping positions.

[0009] A protection mechanism is arranged on the inner side of the connecting mechanism, the heating wire body passes through the connecting mechanism and the protection mechanism, a flow space for the glass liquid to flow is formed in the protection mechanism, a plurality of second clamping positions are formed on the outer periphery of the protection mechanism in a circumferential direction, the first clamping positions and the second clamping positions are arranged in a spaced manner, and the second clamping positions are detachably clamped on the heating wire body.

[0010] In an embodiment, the connecting mechanism comprises:

[0011] A connecting ring is detachably installed in the inner cavity of the forming furnace, a plurality of first mounting protrusions are arranged on the connecting ring in a circumferential direction, and a plurality of first clamping structures are arranged in a one-to-one correspondence with the first mounting protrusions.

[0012] The first clamping structures are arranged in a one-to-one correspondence with the first mounting protrusions, each of the first clamping structures is provided with a first clamping position, each of the first clamping structures is insulated from the connecting ring, and each of the first clamping structures is clamped with the heating wire body.

[0013] In an embodiment, a first clamping groove is formed at the end of the first mounting protrusion away from the connecting ring, and the first clamping structure is detachably installed in the first clamping groove.

[0014] In an embodiment, the first clamping structure comprises:

[0015] A first elastic plug-in part is detachably plugged into the first clamping groove, and a first clamping part is connected with the first elastic plug-in part.

[0016] The first clamping part is provided with a first clamping groove arranged in an arc shape at the side away from the first elastic plug-in part, the first clamping position and the first clamping groove are arranged in a one-to-one correspondence, and the heating wire body is detachably clamped in the first clamping groove.

[0017] In an embodiment, the first clamping part is provided with a first anti-falling part at both ends of the slot position, the first anti-falling part comprises a first anti-falling section and a second anti-falling section, the first anti-falling section and the second anti-falling section extend towards the first clamping groove, the first anti-falling section extends in a first direction, and the second anti-falling section extends in a second direction.

[0018] In an embodiment, the connecting ring has a plurality of thread holes, and the plurality of connecting rings are spaced apart along the height direction of the forming furnace and are connected by screws.

[0019] In an embodiment, the protection mechanism comprises:

[0020] A protection cylinder is arranged on the inner side of the connecting mechanism, a flow space is formed in the protection cylinder, and the outer periphery of the protection cylinder is formed with a plurality of second mounting protrusions spaced apart in the circumferential direction.

[0021] A plurality of second clamping structures are arranged in one-to-one correspondence with the number of the second mounting protrusions, are insulated from the protection cylinder, and detachably clamp the electric heating wire body.

[0022] In an embodiment, the second mounting protrusion is formed with a second clamping groove at the end away from the protection cylinder, and the second clamping structure is detachably arranged in the second clamping groove.

[0023] In an embodiment, the second clamping structure comprises:

[0024] A second elastic plug is detachably plugged into the second clamping groove.

[0025] A second clamping member is connected with the second elastic plug, and the second clamping member is formed with a second clamping groove arranged in an arc shape at the side away from the second elastic plug, the number of second clamping positions is consistent with the number of second clamping grooves, and the electric heating wire body is detachably clamped in the second clamping groove.

[0026] Based on the same technical concept, in a second aspect, the utility model further provides a forming furnace, and the forming furnace electric heating wire is the electric heating wire of the first aspect.

[0027] The utility model discloses a technical scheme through setting up electric heating wire body, connecting mechanism and protection mechanism, when using, connecting mechanism installs in the forming furnace, and the connecting mechanism forms a plurality of first clamping positions that distribute along the circumferential interval, and the electric heating wire body is detachably clamped in all first clamping positions, and the protection mechanism is arranged at the inboard of connecting mechanism interval, and the electric heating wire body is arranged between connecting mechanism and protection mechanism, and the protection mechanism forms the flowing space that can supply the glass liquid flow, and the outer periphery of protection mechanism forms a plurality of second clamping positions that distribute along the circumferential interval, and the first clamping position and second clamping position distribute interval, and second clamping position is detachably clamped in electric heating wire body. Make the utility model can not need to adopt the tin soldering mode such as electric heating wire body is installed in the forming furnace, avoids the electric heating wire body's drop due to temperature change, and the connection stability of electric heating wire body and forming furnace is improved. At the same time, the flowing space is arranged in the protection cylinder, so that the utility model will not cause the glass liquid to adhere in the gap between electric heating wire body when using, ensures the heating efficiency, guarantees the normal use of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the following description of the drawing is only some embodiments of the utility model, and for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to the structure shown in these drawings.

[0029] Figure 1 The structure schematic diagram of the electric heating wire of the forming furnace provided by the utility model is shown in the figure.

[0030] Figure 2 The structure schematic diagram of the connecting mechanism shown in the figure is shown in the figure. Figure 1

[0031] The structure schematic diagram of the A part shown in the figure is shown in the figure. Figure 3 Figure 2 The structure schematic diagram of the protection mechanism shown in the figure is shown in the figure.

[0032] Figure 4 Figure 1 The enlarged structure schematic diagram of the B part shown in the figure is shown in the figure.

[0033] Figure 5 The structure schematic diagram of the protection mechanism shown in the figure is shown in the figure. Figure 4

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] ​​​100, heating wire body; 200, connecting mechanism; 300, protection mechanism; 210, connecting ring; 220, first clamping structure; 230, first mounting protrusion; 221, first elastic plug-in part; 222, first clamping part; 223, first anti-dropping part; 224, first anti-dropping section; 225, second anti-dropping section; 240, threaded hole; 310, protection cylinder; 320, second clamping structure; 330, second mounting protrusion; 321, second elastic plug-in part; 322, second clamping part; 323, second anti-dropping part; 324, third anti-dropping section; 325, fourth anti-dropping section.

[0036] The realization, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0038] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0039] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0040] The utility model provides a kind of forming furnace electric heating wire.

[0041] Please refer to Figures 1 to 5In the embodiment, the electric heating wire 100 comprises an electric heating wire body 100, a connecting mechanism 200 and a protection mechanism 300, the connecting mechanism 200 is installed in the forming furnace, a plurality of first clamping positions are formed in the connecting mechanism 200 and are distributed along the circumference, the electric heating wire body 100 is detachably clamped in all the first clamping positions, the protection mechanism 300 is arranged on the inner side of the connecting mechanism 200 and the electric heating wire body 100 is arranged between the connecting mechanism 200 and the protection mechanism 300, a flow space for the glass liquid is formed in the protection mechanism 300, a plurality of second clamping positions are formed on the outer periphery of the protection mechanism 300 and are distributed along the circumference, the first clamping positions and the second clamping positions are distributed at intervals, and the second clamping positions are detachably clamped in the electric heating wire body 100.

[0042] In the embodiment, the electric heating wire 100 comprises an electric heating wire body 100, a connecting mechanism 200 and a protection mechanism 300, the connecting mechanism 200 is installed in the forming furnace, a plurality of first clamping positions are formed in the connecting mechanism 200 and are distributed along the circumference, the electric heating wire body 100 is detachably clamped in all the first clamping positions, the protection mechanism 300 is arranged on the inner side of the connecting mechanism 200 and the electric heating wire body 100 is arranged between the connecting mechanism 200 and the protection mechanism 300, a flow space for the glass liquid is formed in the protection mechanism 300, a plurality of second clamping positions are formed on the outer periphery of the protection mechanism 300 and are distributed along the circumference, the first clamping positions and the second clamping positions are distributed at intervals, and the second clamping positions are detachably clamped in the electric heating wire body 100.

[0043] In an embodiment, the connecting mechanism 200 comprises a connecting ring 210 and a plurality of first clamping structures 220, the connecting ring 210 is detachably installed in the inner cavity of the forming furnace, a plurality of first mounting protrusions 230 are arranged on the connecting ring 210 and are distributed along the circumference, the number of the first clamping structures 220 is consistent with that of the first mounting protrusions 230 and the first clamping structures 220 are detachably arranged in one-to-one correspondence, each first clamping structure 220 is provided with a first clamping position, each first clamping structure 220 is insulated from the connecting ring 210, and each first clamping structure 220 is clamped with the electric heating wire body 100.

[0044] In the embodiment, by arranging the connecting ring 210 and the plurality of first clamping structures 220, the connecting ring 210 is detachably mounted in the inner cavity of the forming furnace in use, the connecting ring 210 is provided with a plurality of mounting positions distributed in the circumferential direction, the first clamping structures 220 are detachably arranged in one-to-one correspondence with the first mounting protrusions 230, each first clamping structure 220 is in insulating cooperation with the connecting ring 210, and each first clamping structure 220 detachably clamps an electric heating wire body 100, so that the electric heating wire body 100 can be clamped in the forming furnace directly in use of the utility model, and the utility model can be used for normal installation of the electric heating wire body 100, the normal use of the electric heating wire body 100 is ensured, the failure of the electric heating wire body 100 caused by temperature change is avoided, and the service life of the forming furnace is improved.

[0045] In an embodiment, the first mounting protrusion 230 is formed with a first clamping groove at an end away from the connecting ring 210, and the first clamping structure 220 is detachably mounted in the first clamping groove.

[0046] In the embodiment, by arranging the first clamping groove on the first mounting protrusion 230, the installation efficiency of the first clamping structure 220 can be improved in use of the utility model, and the first clamping groove can be replaced.

[0047] In an embodiment, the first clamping structure 220 comprises a first elastic plug-in part 221 and a first clamping part 222, the first elastic plug-in part 221 is detachably plugged into the first clamping groove, the first clamping part 222 is connected with the first elastic plug-in part 221, an arc-shaped first clamping groove is formed at a side of the first clamping part 222 away from the first elastic plug-in part 221, the first clamping position and the first clamping groove are arranged in one-to-one correspondence, and the electric heating wire body 100 is detachably clamped in the first clamping groove.

[0048] In the embodiment, by arranging the first elastic plug-in part 221 and the first clamping part 222, the first clamping structure 220 and the first mounting protrusion 230 can be quickly disassembled.

[0049] In an embodiment, the first clamping part 222 is formed with a first anti-drop part 223 at both ends of the slot position, the first anti-drop part 223 comprises a first anti-drop section 224 and a second anti-drop section 225, the first anti-drop section 224 and the second anti-drop section 225 extend towards the first clamping groove, the first anti-drop section 224 extends in a first direction, and the second anti-drop section 225 extends in a second direction.

[0050] In the embodiment, by arranging the first anti-drop section 224 and the second anti-drop section 225, the clamping stability of the electric heating wire body 100 can be improved in use of the utility model, and the electric heating wire body 100 is prevented from falling off.

[0051] It can be further clarified that in the embodiment, the first clamping structure 220 is preferably made of metal material.

[0052] In an embodiment, the connecting ring 210 is made of insulating ceramic.

[0053] In the embodiment, the connecting ring 210 is made of insulating ceramic, which can ensure the heat conduction efficiency and service life.

[0054] In an embodiment, the connecting ring 210 has a plurality of connecting rings 210, which are spaced apart along the height direction of the forming furnace, and each connecting ring 210 is provided with a threaded hole 240, and the plurality of connecting rings 210 are threadedly connected by screws.

[0055] In the embodiment, by providing a plurality of connecting rings 210, the installation stability of the heating wire body 100 can be improved.

[0056] In an embodiment, the protection mechanism 300 includes a protection cylinder 310 and a plurality of second clamping structures 320, the protection cylinder 310 is spaced apart and arranged inside the connecting mechanism 200, a flow space is formed inside the protection cylinder 310, the outer periphery of the protection cylinder 310 forms a plurality of second mounting protrusions 330 spaced apart in the circumferential direction, the second clamping structures 320 are consistent with and one-to-one corresponding to the number of second mounting protrusions 330 and are detachably arranged, and each second clamping structure 320 is insulated and matched with the protection cylinder 310, and each second clamping structure 320 is detachably clamped with the heating wire body 100.

[0057] In the embodiment, by providing the protection cylinder 310 and the plurality of second clamping structures 320, the protection cylinder 310 is spaced apart and arranged inside the forming furnace, and a flow space for the glass liquid to flow is formed inside the protection cylinder 310, the outer periphery of the protection cylinder 310 forms a plurality of second mounting protrusions 330 spaced apart in the circumferential direction, the second clamping structures 320 are consistent with and one-to-one corresponding to the number of mounting positions and are detachably arranged, and each second clamping structure 320 is insulated and matched with the protection cylinder 310, and each second clamping structure 320 is detachably clamped with the heating wire body 100, so that the utility model can avoid the peeling or failure of the protection layer, improve the service life of the heating wire body 100, ensure the stability of glass manufacturing, and improve the product quality.

[0058] In an embodiment, the second mounting protrusion 330 is formed with a second clamping groove at one end away from the protection cylinder 310, and the second clamping structure 320 is detachably arranged in the second clamping groove.

[0059] In the embodiment, the second clamping structure 320 is provided with the second elastic plug-in part 321 and the second clamping part 322, the second elastic plug-in part 321 is detachably plugged into the second clamping groove, the second clamping part 322 is connected with the second elastic plug-in part 321, and the side, away from the second elastic plug-in part 321, of the second clamping part 322 is formed with the second clamping groove arranged in an arc shape, the second clamping position is arranged in one-to-one correspondence with the number of the second clamping groove, and the electric heating wire body 100 is detachably clamped into the second clamping groove.

[0060] In an embodiment, the second clamping structure 320 includes a second elastic plug-in part 321 and a second clamping part 322, the second elastic plug-in part 321 is detachably plugged into the second clamping groove, the second clamping part 322 is connected with the second elastic plug-in part 321, and the side, away from the second elastic plug-in part 321, of the second clamping part 322 is formed with the second clamping groove arranged in an arc shape, the second clamping position is arranged in one-to-one correspondence with the number of the second clamping groove, and the electric heating wire body 100 is detachably clamped into the second clamping groove.

[0061] In the embodiment, the second elastic plug-in part 321 and the second clamping part 322 are arranged, so that the second clamping structure 320 and the second mounting protrusion 330 can be quickly disassembled.

[0062] In an embodiment, the two ends of the slot position of the second clamping part 322 are formed with the second anti-falling part 323.

[0063] In the embodiment, the two ends of the slot position of the second clamping part 322 are formed with the second anti-falling part 323, so that the electric heating wire body 100 can be prevented from falling off during use of the utility model.

[0064] It needs to be particularly and explicitly pointed out that the second anti-falling part 323 includes a third anti-falling section 324 and a fourth anti-falling section 325, the third anti-falling section 324 and the fourth anti-falling section 325 both extend towards the clamping groove, the third anti-falling section 324 extends along a first direction, and the fourth anti-falling section 325 extends along a second direction.

[0065] In the embodiment, the third anti-falling section 324 and the fourth anti-falling section 325 are arranged, so that the electric heating wire body 100 can be prevented from falling off during use of the utility model.

[0066] It can be further pointed out that, in the embodiment, the second clamping structure 320 is made of a metal material.

[0067] In an embodiment, the protective cylinder 310 is made of a ceramic material, and the inner wall of the protective cylinder 310 is arranged in a mirror surface.

[0068] Based on the same technical concept, in a second aspect, the utility model further provides a forming furnace, and the forming furnace electric heating wire 100 of the first aspect is applied.

[0069] The utility model discloses still provide a forming furnace, this forming furnace including forming furnace electric heating wire 100, the specific structure of this forming furnace electric heating wire 100 refers to above -mentioned embodiment, because this forming furnace has adopted all technical schemes of above -mentioned all embodiments, can solve the electric heating wire 100 of relevant art is installed in the mode of winding, this makes the surface of electric heating wire 100 exist gap, lead to the gap between electric heating wire 100 lead to glass liquid adhesion on the gap, lead to the heating efficiency of electric heating wire 100 decline, influence the normal use of equipment's technical problem.

[0070] The above is only the exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure transformation made by the utility model specification and the attached drawing contents, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A profiled furnace heating element, characterised in that, The application relates to a connecting mechanism for an electric heating wire body. The connecting mechanism comprises a connecting ring which is detachably installed in the inner cavity of the forming furnace, and a plurality of first mounting protrusions are arranged on the connecting ring in a circumferential direction. The first mounting protrusions are provided with first clamping grooves at the ends away from the connecting ring, and the first clamping structures are detachably installed in the first clamping grooves. The first clamping structure comprises a first elastic plug-in part which is detachably plugged into the first clamping groove, and a first clamping part which is connected with the first elastic plug-in part and is provided with a first clamping groove in an arc shape at the side away from the first elastic plug-in part.

2. The forming furnace heating wire according to claim 1, wherein The first clamping part is provided with a first anti-falling part at both ends of the slot opening position. The first anti-falling part comprises a first anti-falling section and a second anti-falling section which extend towards the first clamping groove, and the first anti-falling section extends in a first direction and the second anti-falling section extends in a second direction. The connecting mechanism comprises a plurality of connecting rings which are arranged in the height direction of the forming furnace, and each of the connecting rings is provided with a threaded hole.

3. The forming furnace heating wire according to claim 2, wherein The connecting mechanism comprises a protective cylinder which is arranged on the inner side of the connecting mechanism, and a flow space is formed in the protective cylinder.

4. The forming furnace heating wire according to claim 3, wherein The outer periphery of the protective cylinder is provided with a plurality of second mounting protrusions which are arranged in a circumferential direction. The second clamping structure is detachably clamped with the electric heating wire body. The second clamping structure comprises a second elastic plug-in part which is detachably plugged into the second clamping groove, and a second clamping part which is connected with the second elastic plug-in part and is provided with a second clamping groove in an arc shape at the side away from the second elastic plug-in part.

5. The forming furnace heating element of claim 4 wherein, The second clamping part is provided with a second anti-falling part at both ends of the slot opening position.

6. The forming furnace heating element of claim 5 wherein, The second anti-falling part comprises a third anti-falling section and a fourth anti-falling section which extend towards the second clamping groove, and the third anti-falling section extends in a third direction and the fourth anti-falling section extends in a fourth direction.

7. The forming furnace heating wire according to any one of claims 1 to 6, wherein ​ ​ ​ 8. The forming furnace heating wire according to claim 7, wherein The second mounting protrusion is formed with a second clamping groove at one end away from the protective cylinder, and the second clamping structure is detachably mounted in the second clamping groove.

9. The forming furnace heating element of claim 8 wherein, The second clamping structure comprises: a second elastic plug-in part which is detachably plugged into the second clamping groove; and a second clamping part connected with the second elastic plug-in part, and formed with a second clamping groove in an arc shape at one side away from the second elastic plug-in part, wherein the second clamping positions are arranged in one-to-one correspondence with the number of the second clamping grooves, and the electric heating wire body is detachably clamped in the second clamping groove.

10. A forming furnace characterized by comprising: The application relates to an electric heating wire of a forming furnace.

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