CN215773619U - Wire rod butt fusion heating tube - Google Patents
Wire rod butt fusion heating tube Download PDFInfo
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- CN215773619U CN215773619U CN202121359349.6U CN202121359349U CN215773619U CN 215773619 U CN215773619 U CN 215773619U CN 202121359349 U CN202121359349 U CN 202121359349U CN 215773619 U CN215773619 U CN 215773619U
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Abstract
The utility model provides a wire welding heating tube which comprises a heating tube made of an insulating material, wherein a spiral heating wire is arranged in the heating tube, two ends of the heating tube are respectively provided with a metal electrode ring, and two ends of the heating wire are respectively connected with the two metal electrode rings. The utility model has the beneficial effects that: the heating tube has the characteristics of uniform heating temperature, high heating and cooling speed and convenience in installation, and greatly improves the product competitiveness.
Description
Technical Field
The utility model relates to the technical field of 3D printer accessories, in particular to a wire welding heating pipe.
Background
Currently, with the explosion of the 3D printing industry, more and more engineering plastics, especially biodegradable materials, are applied in 3D printing. The diameters of biodegradable material wires used on an FDM printer in the 3D printing industry are mostly 1.75mm, 2.85mm and 3.0mm, wherein the diameter of 1.75mm is the most widely used, and generally, the wires are produced by manufacturers, and continuous lines produced by the manufacturers have uniform diameters and single color. However, the materials cannot be switched in the 3D printing process, the wires of other colors cannot be continuously printed, and when the amount of the wire of the reel remaining cannot be used for printing a model, the wire of the reel can be discarded, which causes a lot of waste.
Therefore, there is a need for a device that can fuse biodegradable material wires.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: to the not enough of prior art, provide a rational in infrastructure, heating temperature is even, the effectual wire rod butt fusion heating tube of butt fusion.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a wire rod butt fusion heating tube, includes by insulating temperature resistant material's heating tube, be equipped with spiral helicine heater in the heating tube, the both ends of heating tube respectively are equipped with a metal electrode ring, the both ends of heater are connected with two metal electrode rings respectively.
Furthermore, the heating tube comprises an inner tube and an outer tube, the outer tube is sleeved on the inner tube, the length of the inner tube is larger than that of the outer tube, and the metal electrode rings are respectively arranged on the end faces of the two ends of the outer tube.
Furthermore, the inner pipe and the outer pipe are made of polytetrafluoroethylene.
Furthermore, an inner tube spiral groove is formed in the outer surface of the inner tube, an outer tube spiral groove matched with the inner surface of the outer tube is formed in the inner surface of the outer tube, a spiral accommodating cavity is formed between the inner tube spiral groove and the outer tube spiral groove, and the heating wire is arranged in the spiral accommodating cavity.
Furthermore, the groove width of the spiral groove of the inner pipe is 2.8-2.9mm, the constant pitch is 0.45-0.55mm, the number of turns is 21-23 turns, and the initial deflection angle is 0 degree;
the groove width of the spiral groove of the outer pipe is 2.8-2.9mm, the constant pitch is 0.45-0.55mm, the number of turns is 21-23 turns, and the initial deflection angle is 0 degree.
Furthermore, the inner diameter of the metal electrode ring is matched with the outer diameter of the inner pipe, and the outer diameter of the metal electrode ring is matched with the outer diameter of the outer pipe.
Furthermore, the section of the metal electrode ring is in a right-angle sector shape.
Further, the metal electrode ring is a copper electrode ring.
Further, the inner diameter of the inner pipe is 1.85-3.1 mm.
Further, the heating wire is a chromium-nickel alloy heating wire.
The utility model has the beneficial effects that: the heating tube has the characteristics of uniform heating temperature, high heating and cooling speed and convenience in installation, and greatly improves the product competitiveness.
Drawings
The specific structure of the utility model is detailed below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of a heat generating tube according to the present invention;
FIG. 2 is a schematic structural view of the inner tube of the present invention;
FIG. 3 is a schematic structural view of an outer tube of the present invention;
FIG. 4 is a schematic cross-sectional view of a heat-generating tube according to the present invention;
FIG. 5 is a schematic view of a heat pipe welding wire of the present invention;
1-inner tube; 11-inner tube spiral groove; 2-an outer tube; 21-outer tube spiral groove; 3-a metal electrode ring; 4-a heating wire; 5-wire to be welded; 6-normal temperature wire rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Example 1
Referring to fig. 1 and 5, a wire welding heating tube includes a heating tube made of an insulating temperature-resistant material, a spiral heating wire 4 is disposed in the heating tube, two ends of the heating tube are respectively provided with a metal electrode ring 3, and two ends of the heating wire 4 are respectively connected to the two metal electrode rings 3.
In this embodiment, fix the heater in the heating tube that insulating temperature resistant material made, supply power for the heater through the metal electrode ring that sets up at the both ends of heating tube extension degree direction, can let the heating tube carry out the even heating to intraductal wire rod.
Specifically, will treat that butt fusion wire 5 inserts the inside of heating tube from the one end of heating tube, the metal electrode ring circular telegram to the heating tube both ends, the electric current is led into the heater by the metal electrode ring, the heater and then begin to generate heat, when the temperature reaches and treats 5 softening temperature of butt fusion wire, insert in the heating tube with normal atmospheric temperature wire 6 from the other end of heating tube, with the butt fusion wire 5 of treating that has softened and fuse and be connected, the metal electrode ring outage to the heating tube both ends this moment, adopt external cooling device to cool off the heating tube fast, let the wire rod cool off the shaping rapidly, pull it out, accomplish the butt fusion of a wire rod promptly.
The heating tube provides a new way for the connection of coil wires such as PLA, PETG, TPU, PEEK, ABS and the like, and realizes the possibility of welding wires with different wire diameters, different materials and different colors.
From the above description, the beneficial effects of the present invention are: the heating tube has the characteristics of uniform heating temperature, high heating and cooling speed and convenience in installation, and greatly improves the product competitiveness.
Example 2
Referring to fig. 2 to 4, based on embodiment 1, the heating tube includes an inner tube 1 and an outer tube 2, the outer tube 2 is sleeved on the inner tube 1, the length of the inner tube 1 is greater than that of the outer tube 2, and the metal electrode rings 3 are respectively disposed on end surfaces of two ends of the outer tube 2.
In this embodiment, for the convenience of assembling and conveniently maintaining the heating tube, the heating tube adopts the modularized design, can effectively reduce the preparation degree of difficulty and the cost of manufacture of heating tube.
The length of outer tube is unanimous with the length of inner tube in the thickness of two metal electrode rings, can let the heating tube outer tube have more the wholeness, and is more pleasing to the eye.
The heating tube specifically includes inner tube and outer tube, and the external diameter of inner tube and the internal diameter adaptation of outer tube are with the heater around the surface of locating the inner tube, cup joint the outer tube in heater and inner tube again, cup joint the metal electrode ring at the both ends of inner tube again at last, can realize the equipment of heating tube, and is very convenient.
Example 3
In example 2, the inner tube 1 and the outer tube 2 are made of polytetrafluoroethylene.
In the embodiment, the polytetrafluoroethylene is abbreviated as PTFE, is commonly called as 'plastic king', has excellent heat resistance and cold resistance, and can be used for a long time at minus 180-260 ℃. And the polytetrafluoroethylene has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is almost insoluble in all solvents. Meanwhile, the friction coefficient of the polytetrafluoroethylene is extremely low, the polytetrafluoroethylene cannot be adhered, and the polytetrafluoroethylene is very suitable for being applied to printing and welding in the field of 3D printing.
Example 4
On the basis of embodiment 3, the outer surface of the inner tube 1 is provided with an inner tube spiral groove 11, the inner surface of the outer tube 2 is provided with an outer tube spiral groove 21, a spiral accommodating cavity is formed between the inner tube spiral groove and the outer tube spiral groove, and the heating wire 4 is arranged in the spiral accommodating cavity.
In this embodiment, set up the helicla flute at the surface of inner tube and the internal surface of outer tube, for the heater provides the accommodation space, can guarantee on the one hand that the shape of heater can not take place deformation in the installation, on the other hand also plays the effect of carrying out the setting to the heater, can guarantee in the use that the performance index of heater can not change because of deformation, has guaranteed that the heater generates heat even characteristic.
Example 5
On the basis of embodiment 4, the groove width of the spiral groove 11 of the inner pipe is 2.8-2.9mm, the constant pitch is 0.45-0.55mm, the number of turns is 21-23 turns, and the initial deflection angle is 0 degree;
the groove width of the outer tube spiral groove 21 is 2.8-2.9mm, the constant thread pitch is 0.45-0.55mm, the number of turns is 21-23 turns, and the initial deflection angle is 0 degree.
In the embodiment, the groove width of the spiral groove of the inner pipe is 2.8-2.9mm, the constant pitch is 0.45-0.55mm, the number of turns is 21-23 turns, and the initial deflection angle is 0 degree; the groove width of the spiral groove of the outer pipe is 2.8-2.9mm, the constant pitch is 0.45-0.55mm, the number of turns is 21-23 turns, and the initial deflection angle is 0 degree.
The heating tube can be ensured to heat quickly and uniformly, and the cooling speed can also meet the requirement.
Preferably, the groove width of the spiral groove of the inner pipe is 2.85mm, the constant pitch is 0.5mm, the number of turns is 22, and the initial deflection angle is 0 degree; the groove width of the spiral groove of the outer pipe is 2.85mm, the constant thread pitch is 0.5mm, the number of turns is 22 turns, and the initial deflection angle is 0 degree. The heating effect of the heating tube is optimal.
Example 6
On the basis of embodiment 5, the inner diameter of the metal electrode ring 3 is matched with the outer diameter of the inner pipe, and the outer diameter of the metal electrode ring 3 is matched with the outer diameter of the outer pipe.
In the embodiment, in order to ensure that the metal electrode ring and the heating tube can be perfectly fit, the inner diameter of the metal electrode ring is matched with the outer diameter of the inner tube and can be tightly matched with the inner tube; the outer diameter of the metal electrode ring is matched with the outer diameter of the outer tube, so that the heating tube has higher integrity and the appearance is not obtrusive.
Example 7
On the basis of embodiment 6, the cross section of the metal electrode ring 3 is in the shape of a right-angle sector.
In this embodiment, the cross-section of the metal electrode ring is in the shape of a right-angled sector, so that the outer side of the outer tube is in smooth transition with the end surface of the side surface of the inner tube, and the whole heating tube is more beautiful.
Example 8
On the basis of embodiment 7, the metal electrode ring 3 is a copper electrode ring.
In this embodiment, copper's electric conductivity is strong, and ductility is good, and easy processing becomes the structure that needs, and easy to assemble adopts the copper product material to provide the electric energy conduction for the heating tube well as the electrode ring.
Example 9
On the basis of example 8, the inner diameter of the inner tube 1 is 1.85 to 3.1 mm.
In this embodiment, can adapt the wire rod of three kinds of commonly used specifications of 1.75mm, 2.85mm and 3.0mm respectively, convenience of customers uses.
Example 10
In addition to embodiment 9, the heating wire 4 is a heating wire made of a chromium-nickel alloy.
In the embodiment, the chromium-nickel alloy heating wire has the advantages of long-term high-temperature operation, difficulty in deformation and structure change, good normal-temperature plasticity and simplicity in repair after deformation. In addition, the heating efficiency of the chromium-nickel alloy heating wire is high, the temperature is stable, the temperature control and adjustment are simple, the service life is long, and the chromium-nickel alloy heating wire can be well applied to the working scene of welding wires.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a wire rod butt fusion heating tube which characterized in that: the heating tube is made of insulating temperature-resistant materials, a spiral heating wire is arranged in the heating tube, two metal electrode rings are arranged at two ends of the heating tube respectively, and two ends of the heating wire are connected with the two metal electrode rings respectively.
2. The wire fusion heating tube of claim 1, wherein: the heating tube comprises an inner tube and an outer tube, the outer tube is sleeved on the inner tube, the length of the inner tube is larger than that of the outer tube, and the metal electrode rings are respectively arranged on the end faces of the two ends of the outer tube.
3. The wire fusion heating tube of claim 2, wherein: the inner pipe and the outer pipe are made of polytetrafluoroethylene.
4. The wire fusion heating tube of claim 3, wherein: the outer surface of the inner tube is provided with an inner tube spiral groove, the inner surface of the outer tube is provided with an outer tube spiral groove matched with the inner tube spiral groove, a spiral accommodating cavity is formed between the inner tube spiral groove and the outer tube spiral groove, and the heating wire is arranged in the spiral accommodating cavity.
5. The wire fusion heating tube of claim 4, wherein: the groove width of the spiral groove of the inner pipe is 2.8-2.9mm, the constant pitch is 0.45-0.55mm, the number of turns is 21-23 turns, and the initial deflection angle is 0 degree;
the groove width of the spiral groove of the outer pipe is 2.8-2.9mm, the constant pitch is 0.45-0.55mm, the number of turns is 21-23 turns, and the initial deflection angle is 0 degree.
6. The wire fusion heating tube of claim 5, wherein: the inner diameter of the metal electrode ring is matched with the outer diameter of the inner pipe, and the outer diameter of the metal electrode ring is matched with the outer diameter of the outer pipe.
7. The wire fusion heating tube of claim 6, wherein: the section of the metal electrode ring is in a right-angle sector shape.
8. The wire fusion heating tube of claim 7, wherein: the metal electrode ring is a copper electrode ring.
9. The wire fusion heating tube of claim 8, wherein: the inner diameter of the inner pipe is 1.85-3.1 mm.
10. The wire fusion heating tube of claim 9, wherein: the heating wire is a chromium-nickel alloy heating wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121359349.6U CN215773619U (en) | 2021-06-18 | 2021-06-18 | Wire rod butt fusion heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121359349.6U CN215773619U (en) | 2021-06-18 | 2021-06-18 | Wire rod butt fusion heating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215773619U true CN215773619U (en) | 2022-02-08 |
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ID=80101081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121359349.6U Active CN215773619U (en) | 2021-06-18 | 2021-06-18 | Wire rod butt fusion heating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215773619U (en) |
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2021
- 2021-06-18 CN CN202121359349.6U patent/CN215773619U/en active Active
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