Connecting device for heating wire of forming furnace and forming furnace

Abstract

The utility model discloses a connecting device for a heating wire of a forming furnace and the forming furnace, and particularly relates to the technical field of glass manufacturing, a connecting ring and a plurality of clamping structures are arranged, when the connecting device is used, the connecting ring is detachably mounted in an inner cavity of the forming furnace, and a plurality of mounting positions which are distributed at intervals in the circumferential direction are arranged on the connecting ring; the number of the clamping structures is consistent with that of the mounting positions, the clamping structures are detachably arranged in a one-to-one correspondence manner, each clamping structure is matched with the connecting ring in an insulating manner, and an electric heating wire is detachably clamped in each clamping structure, so that the electric heating wires can be directly clamped in a forming furnace when the electric heating device is used; therefore, the electric heating wire can be normally installed, normal use of the electric heating wire is ensured, the electric heating wire failure caused by temperature change is avoided, and the service life of the forming furnace is prolonged.

Description

TECHNICAL FIELD

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

[0002] In the development process of glass manufacturing technology, electric heating wire connection technology has always played an important role. As a heating element, electric heating wire is widely used in glass forming equipment to ensure temperature control and uniform heating of glass liquid during the forming process. Early electric heating wire connection technology mainly uses simple welding method, but with the continuous progress of glass manufacturing process, higher requirements are put forward for the reliability and stability of electric heating wire connection. In recent years, electric heating wire connection technology gradually develops towards more delicate and complex direction, for example, multi-layer structure and special materials are used to improve the stability and durability of connection.

[0003] At present, in glass manufacturing technology, electric heating wire connection technology has made certain progress. Many devices use advanced connection structure and material to improve the connection strength and insulation performance of electric heating wire. For example, some patents mention the use of a combination structure of epoxy resin and conductive connecting tube, by winding electric heating wire outside the conductive connecting tube and welding with solder, the firmness and insulation performance of the connection are enhanced. In addition, some technologies set up multi-layer annealing zone and stress relaxation zone, so that electric heating wire can better adapt to the temperature change of glass liquid during heating, thereby improving the quality and efficiency of glass forming. However, although these technologies improve the performance of electric heating wire connection to some extent, there are still some problems and deficiencies in actual application.

[0004] In the prior art, when electric heating wire is installed in the forming furnace, soldering or other methods are usually used to fix the electric heating wire, which makes the electric heating wire have a soldering connection position that is prone to disconnection due to long-term temperature change during use, affecting the normal use of the electric heating wire. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the technical problem that related technology usually uses soldering or other methods to fix electric heating wire when installing it in the forming furnace, which makes the electric heating wire have a soldering connection position that is prone to disconnection due to long-term temperature change during use, affecting the normal use of the electric heating wire.

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

[0007] A connecting ring is detachably installed in the inner cavity of the forming furnace, and a plurality of installation positions are arranged on the connecting ring in circumferential direction; and

[0008] A plurality of clamping structures are detachably arranged in correspondence with the number of the mounting positions, and each of the clamping structures is insulated from the connecting ring, and each of the clamping structures detachably clamps an electric heating wire.

[0009] In an embodiment, the mounting position extends radially towards the forming furnace to form a mounting protrusion, and the clamping structure is detachably mounted on the mounting protrusion.

[0010] In an embodiment, the mounting protrusion is made of insulating ceramic.

[0011] In an embodiment, the mounting protrusion is formed with a detachable clamping groove away from one end of the connecting ring, and the clamping structure is detachably mounted in the clamping groove.

[0012] In an embodiment, the clamping structure comprises:

[0013] An elastic plug is detachably plugged into the clamping groove; and,

[0014] A clamping piece is connected with the elastic plug, and the clamping piece is formed with an arc-shaped clamping groove away from one side of the elastic plug, and the electric heating wire is detachably clamped in the clamping groove.

[0015] In an embodiment, both ends of the clamping piece at the notch position are formed with anti-falling pieces.

[0016] In an embodiment, the anti-falling pieces comprise a first anti-falling section and a second anti-falling section, and both the first anti-falling section and the second anti-falling section extend towards the clamping groove, and the first anti-falling section extends in a first direction, and the second anti-falling section extends in a second direction.

[0017] In an embodiment, the connecting ring is made of insulating ceramic.

[0018] In an embodiment, the connecting ring has a plurality of connecting rings, and the plurality of connecting rings are distributed at intervals along the height direction of the forming furnace, and each of the connecting rings is provided with a threaded hole, and the plurality of connecting rings are connected by screws.

[0019] Based on the same technical concept, in a second aspect, the utility model further provides a forming furnace, which applies the connecting device of the electric heating wire of the forming furnace of the first aspect.

[0020] The utility model discloses a technical scheme that through setting up connecting ring and multiple clamping structures, when using, connecting ring is detachably installed in the inner chamber of the forming furnace, and connecting ring is provided with multiple installation positions that are distributed along the circumference interval, and the number of clamping structure and installation position is consistent and detachably set one by one, and each clamping structure is insulated with connecting ring, and each clamping structure can detachably clamp an electric heating wire, so that the utility model discloses when using can directly clamp the electric heating wire in the forming furnace, and then makes the utility model discloses can install the electric heating wire normally, ensures that the electric heating wire is normally used, avoids the invalidation of electric heating wire due to temperature change, and improves the service life of the forming furnace. BRIEF DESCRIPTION OF DRAWINGS

[0021] 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 drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in the drawing without creative labor.

[0022] Figure 1 The structure diagram of the connecting device of the electric heating wire of the forming furnace provided by the utility model is shown.

[0023] Figure 2 For Figure 1 The enlarged structure diagram of A part shown in the example.

[0024] Figure 3 The structure diagram of the forming furnace shown in the utility model.

[0025] Explanation of reference numerals:

[0026] 100, connecting ring;200, clamping structure;210, installation protrusion;220, elastic plug-in part;230, clamping part;240, first anti-drop section;250, second anti-drop section;260, threaded hole.

[0027] The realization, functional characteristics and advantages of the utility model will be further described with reference to the drawings. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiment of the utility model will be clearly and completely described in the following by combining the drawings in the embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment 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.

[0029] It should be noted that if the embodiments of the utility model have the direction indication (such as up, down, left, right, front, back), the direction indication is only used to explain the relative position relationship, movement condition and the like between components in a certain posture, if the certain posture changes, then the direction indication also changes accordingly.

[0030] In addition, if the embodiments of the utility model have the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In addition, "and / or" or "and / or" appearing in the whole 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 scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, 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.

[0031] The utility model provides a kind of connecting device of forming furnace electric heating wire.

[0032] Please refer to Figures 1 to 3 In the embodiment of the utility model, the connecting device of forming furnace electric heating wire, including connecting ring 100 and multiple clamping structures 200, connecting ring 100 is detachably installed in the inner cavity of forming furnace, connecting ring 100 is provided with multiple installation positions spaced along the circumference, clamping structure 200 is consistent with the number of installation position and is detachably set one by one, and each clamping structure 200 is insulated with connecting ring 100, and each clamping structure 200 is detachably clamped with an electric heating wire.

[0033] In the embodiment, by setting connecting ring 100 and multiple clamping structures 200, in use, connecting ring 100 is detachably installed in the inner cavity of forming furnace, connecting ring 100 is provided with multiple installation positions spaced along the circumference, clamping structure 200 is consistent with the number of installation position and is detachably set one by one, and each clamping structure 200 is insulated with connecting ring 100, and each clamping structure 200 is detachably clamped with an electric heating wire, so that the utility model can directly clamp electric heating wire in forming furnace in use, and then the utility model can install electric heating wire normally, ensure that electric heating wire is used normally, avoid the failure of electric heating wire caused by temperature change, improve the service life of forming furnace.

[0034] In an embodiment, the mounting position extends radially inward to form a mounting protrusion 210, and the clamping structure 200 is detachably mounted on the mounting protrusion 210.

[0035] In the embodiment, the mounting position extends radially inward to form a mounting protrusion 210, and the mounting protrusion 210 is made of insulating ceramic. Thus, the utility model can avoid electric leakage and improve safety in use.

[0036] It should be further noted that the mounting protrusion 210 is formed with a detachable clamping groove at one end away from the connecting ring 100, and the clamping structure 200 is detachably mounted in the clamping groove.

[0037] In the embodiment, the clamping groove is arranged on the mounting protrusion 210, so that the utility model can improve the mounting efficiency of the clamping structure 200 and replace the clamping groove in use.

[0038] In an embodiment, the clamping structure 200 includes an elastic plug 220 and a clamping piece 230. The elastic plug 220 is detachably plugged into the clamping groove, and the clamping piece 230 is connected with the elastic plug 220. An arc-shaped clamping groove is formed on one side of the clamping piece 230 away from the elastic plug 220, and the electric heating wire is detachably clamped in the clamping groove.

[0039] In the embodiment, the elastic plug 220 and the clamping piece 230 are arranged, so that the utility model can realize quick disassembly and assembly between the clamping structure 200 and the mounting protrusion 210.

[0040] In an embodiment, the two ends of the slot of the clamping piece 230 are formed with anti-dropping pieces.

[0041] In the embodiment, the two ends of the slot of the clamping piece 230 are formed with anti-dropping pieces, so that the utility model can avoid the electric heating wire from falling off in use.

[0042] It should be particularly and explicitly noted that the anti-dropping pieces include a first anti-dropping section 240 and a second anti-dropping section 250. The first anti-dropping section 240 and the second anti-dropping section 250 extend toward the clamping groove, and the first anti-dropping section 240 extends in a first direction, and the second anti-dropping section 250 extends in a second direction.

[0043] In the embodiment, the first anti-dropping section 240 and the second anti-dropping section 250 are arranged, so that the utility model can improve the clamping stability of the electric heating wire and avoid the electric heating wire from falling off in use.

[0044] It should be further noted that in the embodiment, the clamping structure 200 is preferably made of metal material.

[0045] In an embodiment, the connecting ring 100 is made of insulating ceramic.

[0046] In the embodiment, the connecting ring 100 is made of insulating ceramic, which can ensure the heat conduction efficiency and service life.

[0047] In an embodiment, the connecting ring 100 has a plurality of connecting rings 100, which are distributed along the height direction of the forming furnace, and each connecting ring 100 is provided with a threaded hole 260, and the plurality of connecting rings 100 are connected by screws.

[0048] In the embodiment, the plurality of connecting rings 100 are arranged, so that the installation stability of the heating wire can be improved.

[0049] Based on the same technical concept, in a second aspect, the utility model also provides a forming furnace, which applies the connecting device of the forming furnace heating wire of the first aspect.

[0050] The utility model also provides a forming furnace, which comprises the connecting device of the forming furnace heating wire, and the specific structure of the connecting device of the forming furnace heating wire is referred to the above-mentioned embodiments. Since the forming furnace adopts all the technical solutions of the above-mentioned embodiments, the technical problem that the heating wire is usually fixed by using soldering and the like when being installed in the forming furnace can be solved, which makes the heating wire exist in the situation of soldering connection position separation due to long-term temperature change during use, and the normal use of the heating wire is affected. Therefore, the utility model has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and the details are not repeated here.

[0051] The above is only an exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by referring to the utility model specification and drawings or directly / indirectly applied in other related technical fields under the technical concept of the utility model is included in the patent protection range of the utility model.

Claims

1. A connecting device for an electrically heated wire of a forming furnace, characterized in that The application relates to a connecting device for an electric heating wire of a forming furnace. The connecting device comprises a connecting ring which is detachably mounted in the inner cavity of the forming furnace, a plurality of mounting positions are arranged on the connecting ring in a circumferential direction, a plurality of clamping structures which are detachably arranged one by one in correspondence with the mounting positions and are insulated from the connecting ring, and an electric heating wire is detachably clamped in each of the clamping structures. The mounting positions extend in a radial direction towards the inner cavity of the forming furnace to form mounting protrusions, and the clamping structures are detachably mounted in the mounting protrusions.

2. The connecting device for the electrically heated wire of a forming furnace according to claim 1, wherein The mounting protrusions are made of insulating ceramic.

3. The connecting device of the forming furnace electric heater wire as claimed in claim 2, wherein An end of the mounting protrusion away from the connecting ring is provided with a detachable clamping groove, and the clamping structure is detachably mounted in the clamping groove.

4. The connecting device for the heating wire of the forming furnace according to claim 3, wherein The clamping structure comprises:

5. The connecting device for the heating wire of a forming furnace according to claim 4, wherein an elastic plug-in part which is detachably plugged in the clamping groove, and a clamping part which is connected with the elastic plug-in part, and an arc-shaped clamping groove is arranged on a side of the clamping part away from the elastic plug-in part, and the electric heating wire is detachably clamped in the clamping groove. The two ends of the notch of the clamping part are provided with anti-falling parts.

6. The connecting device for the heating wire of a forming furnace according to claim 5, wherein The anti-falling parts comprise 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 clamping groove, the first anti-falling section extends in a first direction, and the second anti-falling section extends in a second direction.

7. A connection device for the connection of the heating elements of a forming furnace according to claim 6, characterized in that The connecting ring is made of insulating ceramic.

8. A connecting device for electrically heating wires of a forming furnace according to any one of claims 1 to 7, characterized in that The connecting ring has a plurality of connecting rings which are arranged in a height direction of the forming furnace, and threaded holes are arranged on each of the connecting rings, and the connecting rings are connected through screws.

9. A connecting device for connecting the heating elements of a forming furnace according to any one of claims 1 to 7, characterized in that The application relates to a connecting device for an electric heating wire of a forming furnace.

10. A forming furnace characterized by The application relates to a connecting device for an electric heating wire of a forming furnace.

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