CN212064403U - Heating nozzle and hot melt rifle - Google Patents
Heating nozzle and hot melt rifle Download PDFInfo
- Publication number
- CN212064403U CN212064403U CN202021158661.4U CN202021158661U CN212064403U CN 212064403 U CN212064403 U CN 212064403U CN 202021158661 U CN202021158661 U CN 202021158661U CN 212064403 U CN212064403 U CN 212064403U
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- Prior art keywords
- heating
- cone
- ring
- electrode
- inner electrode
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 215
- 239000012943 hotmelt Substances 0.000 title abstract description 6
- 239000004836 Glue Stick Substances 0.000 claims abstract description 33
- 238000002844 melting Methods 0.000 claims abstract description 11
- 230000008018 melting Effects 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims description 23
- 238000004026 adhesive bonding Methods 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000000919 ceramic Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Coating Apparatus (AREA)
Abstract
The utility model provides a heating nozzle and hot melt gun, the heating nozzle includes inner electrode, heating element and outer electrode, the heating element centre gripping is between inner electrode and outer electrode, inner electrode and outer electrode are connected respectively to the positive negative pole of power for to the heating element power supply, the heating element circular telegram is generated heat and is to inner electrode heat conduction; the inner electrode comprises a preheating ring and a heating cone, the preheating ring and the heating cone can generate heat, the preheating ring is positioned at the leading-in end of the inner electrode, and when the glue stick extends from the leading-in end, the front end of the glue stick is contacted with the cylindrical surface of the inner cavity of the preheating ring, so that the glue stick is preheated and softened; the heating cone is butted with the preheating ring, the inner surface of the heating cone is a revolution surface which is gradually reduced along the axial direction and is used for heating and melting the glue stick into liquid; the utility model provides an inner electrode in heating nozzle preheats the ring and contacts with gluing the stick including preheating ring and heating awl, preheats the ring earlier, carries out twice heating to gluing the stick, and the heating efficiency of gluing the stick is higher, shortens heat time.
Description
Technical Field
The utility model relates to a hot melt instrument technical field further relates to a heating nozzle. Furthermore, the utility model discloses still relate to a hot melt rifle.
Background
Generally, a hot melting gun or a similar product is mostly provided with a heating and melting device, which is called a quick heating gun head or a heater, the heating and melting device is heated to a certain temperature, a fed solid glue stick is melted into a liquid state, and the liquid glue is cooled and solidified after flowing out of the quick heating gun head to stick corresponding articles.
At present, the adopted heating mode is generally electric heating, for example, a rectangular pyramid-shaped PTC ceramic heating element is arranged in a known quick heating gun head, and the PTC ceramic heating element generates heat after being electrified to heat and melt the glue stick, but because the PTC ceramic heating element is in a rectangular pyramid shape, the contact part with the glue stick is smaller, and the heating efficiency of the glue stick is lower.
For those skilled in the art, how to improve the heating efficiency of the glue stick and shorten the heating time is a technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heating nozzle can improve the heating efficiency who glues the stick, shortens the heat time, and concrete scheme is as follows:
a heating nozzle comprises an inner electrode, a heating body and an outer electrode, wherein the heating body is clamped between the inner electrode and the outer electrode, the inner electrode and the outer electrode are respectively connected to the positive electrode and the negative electrode of a power supply and used for supplying power to the heating body, and the heating body is electrified to generate heat and conducts heat to the inner electrode;
the inner electrode comprises a preheating ring and a heating cone, the preheating ring is positioned at the leading-in end of the inner electrode, and the cylindrical surface of the inner cavity of the preheating ring can be in contact with the surface of the glue stick to be preheated and softened; the heating cone is in butt joint with the preheating ring, the inner surface of the heating cone is a revolution surface with a conical surface gradually reduced along the axial direction, and the heating cone is used for heating and melting the glue stick.
Optionally, the heating body includes a heating ring and a heating cone, the heating ring is cylindrical, an inner surface of the heating ring contacts with an outer surface of the preheating ring to conduct heat, and an inner surface of the heating cone contacts with an outer surface of the heating cone to conduct heat.
Optionally, the outer electrode is a conical surface-shaped revolution surface structure which is in contact with the outer surface of the heating cone in a fitting manner.
Optionally, the heating cone is an inwards concave surface of revolution; the inner surface and the outer surface of the heating cone are both concave revolution curved surfaces; the outer electrode is an inwards concave revolution surface.
Optionally, the inner electrode further includes a cylindrical glue inlet and a cylindrical glue outlet, the diameter of the glue inlet is larger than that of the preheating ring, and the diameter of the glue outlet is equal to that of the smallest part of the heating cone.
Optionally, the heating element is an independent whole formed by relatively fixing the preheating ring and the heating cone.
Optionally, the heating ring and the heating cone are independent of each other and insulated from each other, and can be spliced with each other to form the heating body; the heating ring and the heating cone are connected in parallel.
Optionally, the heating element is formed by splicing at least two split parts which are divided along the circumferential direction, and each split part comprises a part of the heating ring and a part of the heating cone; each of the segments are independently arranged and insulated from each other and are connected in parallel.
The utility model also provides a hot melt gun, including above-mentioned arbitrary heating nozzle.
The utility model provides a heating nozzle, which comprises an inner electrode, a heating body and an outer electrode, wherein the heating body is clamped between the inner electrode and the outer electrode, the inner electrode and the outer electrode are respectively connected with the anode and the cathode of a power supply and used for supplying power to the heating body, and the heating body is electrified to generate heat and conduct heat to the inner electrode; the inner electrode comprises a preheating ring and a heating cone, the preheating ring and the heating cone can generate heat, the preheating ring is positioned at the leading-in end of the inner electrode, and when the glue stick extends from the leading-in end, the front end of the glue stick is contacted with the cylindrical surface of the inner cavity of the preheating ring, so that the glue stick is preheated and softened; the heating cone is butted with the preheating ring, the inner surface of the heating cone is a revolution surface which is gradually reduced along the axial direction and is used for heating and melting the glue stick into liquid; the utility model provides an inner electrode in heating nozzle preheats the ring and contacts with gluing the stick including preheating ring and heating awl, preheats the ring earlier, carries out twice heating to gluing the stick, and the heating efficiency of gluing the stick is higher, shortens heat time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1A is an exploded view of the various components of the heating nozzle provided by the present invention;
fig. 1B is a cross-sectional view of the heating nozzle assembly provided by the present invention;
FIG. 2A is a schematic structural diagram of an inner electrode;
FIG. 2B is a schematic view of the structure of a heat-generating body;
fig. 2C is a schematic structural diagram of an outer electrode provided by the present invention;
FIG. 3A is an exploded view showing a second embodiment of a heat-generating body;
FIG. 3B is an overall structural view of the second embodiment of the heat-generating body after assembly;
FIG. 3C is a sectional view of the second embodiment of the heat-generating body after assembly;
FIG. 4A is an exploded view showing a third embodiment of a heat-generating body;
FIG. 4B is an overall structural view of the heating element after assembly in the third embodiment;
FIG. 4C is a sectional view of the heat-generating body after assembly of the third embodiment.
The figure includes:
the device comprises an inner electrode 1, a preheating ring 11, a heating cone 12, a glue inlet 13, a glue outlet 14, a heating body 2, a heating ring 21, a heating cone 22 and an outer electrode 3.
Detailed Description
The core of the utility model is to provide a heating nozzle, which can improve the heating efficiency of the glue stick and shorten the heating time.
In order to make those skilled in the art better understand the technical solution of the present invention, the heating nozzle and the hot melting gun of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1A, which is an exploded view of each component of the heating nozzle provided by the present invention, fig. 1B is a sectional view of the heating nozzle provided by the present invention after being assembled; the heating element 2 is clamped between the inner electrode 1 and the outer electrode 3, the heating element 2 is arranged in the middle and can be respectively contacted with the inner electrode 1 and the outer electrode 3, the inner electrode 1 and the outer electrode 3 are respectively connected with the anode and the cathode of a power supply and are used for supplying power to the heating element 2, and the heating element 2 can adopt PTC ceramic heating elements and other electric heating elements; the heating element 2 is electrified to generate heat, the heating element 2 is in contact with the inner electrode 1, heat can be conducted to the inner electrode 1, and the inner electrode 1 is preferably made of a material with high heat conductivity.
As shown in fig. 2A, it is a schematic structural diagram of the inner electrode 1; the inner electrode 1 comprises a preheating ring 11 and a heating cone 12, the preheating ring 11 is cylindrical, the heating cone 12 is a revolution surface which is gradually reduced along the axial direction, two ends of the heating cone are communicated, the preheating ring 11 and the heating cone 12 are mutually butted, the diameter of the maximum inner diameter position of the heating cone 12 is equal to that of the preheating ring 11, and the heating cone 12 is butted with the preheating ring 11. The preheating ring 11 is positioned at the leading-in end of the inner electrode 1, the surface of the inner cavity of the preheating ring 11 is a cylindrical surface, the size of the inner cavity of the preheating ring 11 is matched with the outer diameter of the glue stick, the glue stick can be just contacted with the outer surface of the glue stick when being inserted, the cylindrical surface of the inner cavity of the preheating ring 11 can transfer heat to the glue stick when being contacted with the surface of the glue stick, so that the glue stick is preheated and softened, and the position of the glue stick reaching the preheating ring 11 is heated firstly and gradually softened from a solid state; when the glue stick moves forward and contacts with the heating cone 12, the glue stick further contacts with the revolution surface of the inner cavity of the heating cone 12, and the glue stick is further heated and is used for heating and melting the glue stick, so that the glue stick is discharged after being changed into a liquid state.
The utility model provides a heating nozzle carries out the two-stage heating to gluing the stick through setting up preheating ring 11 and heating awl 12 in 1 department of inner electrode, glue the stick and arrive preheating ring 11 earlier and reachd heating awl 12, when gluing stick and preheating ring 11 contact, because preheating ring 11 has the face of cylinder, can have great area of contact with gluing the stick, make glue the stick by solid-state softening, when further moving forward again to heating awl 12, by heating awl 12 further heating formation liquid, thereby glue the stick with higher speed and be heated the speed that melts, shorten heat time.
On the basis of the above scheme, the heating element 2 provided by the present invention comprises a heating ring 21 and a heating cone 22, as shown in fig. 2B, which is a schematic structural diagram of the heating element 2; the heating ring 21 is cylindrical, and the heating cone 22 is a revolution surface; the heating ring is sleeved outside the inner electrode 1, the inner surface of the heating ring 21 is in contact with the outer surface of the preheating ring 11 for heat conduction, and the inner surface of the heating cone 22 is in contact with the outer surface of the heating cone 12 for heat conduction. The contact area between the inner surface of the heating element 2 and the outer surface of the inner electrode 1 is larger, so that a better heat transfer effect can be achieved.
The heating body 2 is a special-shaped structure and consists of a heating ring 21 of a cylindrical section and a heating cone 22 of a conical section, the heating body is made by powder compaction, the cylindrical section of the heating body plays a role in enhancing the structure of the heating body, the risk of damage of parts due to assembly and use is reduced, and the qualification rate and the service life of the parts during manufacturing and processing are improved. The cylindrical section and the conical section can also play a role in positioning the electrode.
As shown in fig. 2C, the structure of the outer electrode 3 according to the present invention is schematically illustrated; the outer electrode 3 is of a revolution surface structure, and the inner surface of the outer electrode 3 is in contact with the outer surface of the heating cone 22 in a fitting manner; the inner electrode 1 and the outer electrode 3 are respectively connected with the anode and the cathode of a power supply to supply power to the heating body 2.
The heating cone 12 is an inward-concave rotary curved surface, and the section line of the heating cone is an inward-concave arc; the inner surface of the heating cone 22 is in contact with the heating cone for heat conduction, so that the inner surface of the heating cone 22 is an inwards concave revolution curved surface; the outer surface of the heating cone 22 is also provided with an inwards concave revolution surface; the outer electrode 3 is a concave rotary curved surface, is in contact with the outer surface of the heating cone 22 in a fitting manner, and adopts the same structure.
As shown in fig. 2A, the inner electrode 1 of the present invention further includes a cylindrical glue inlet 13 and a cylindrical glue outlet 14, the diameter of the glue inlet 13 is greater than the diameter of the preheating ring 11, a step is formed between the glue inlet 13 and the preheating ring 11, the diameter of the glue inlet is greater than the diameter of the glue stick, so as to facilitate the positioning and insertion of the glue stick; the diameter of the glue outlet 14 is equal to the diameter of the minimum position of the heating cone 12, the contact between the glue stick and the heating cone 22 is changed into liquid, and the glue outlet 14 is of a thin cylinder structure, so that the glue liquid is conveniently guided.
The utility model provides a three kinds of heat-generating body 2's concrete form of setting here:
the first method comprises the following steps: the heating element 2 is an independent whole formed by relatively fixing the preheating ring 11 and the heating cone 12, that is, the arrangement form corresponding to fig. 2B, and the preheating ring 11 and the heating cone 12 are integrally formed. The inner electrode 1 and the outer electrode 3 in this embodiment are electrically conductively connected to the heating body 2, respectively.
And the second method comprises the following steps: the heating ring 21 and the heating cone 22 are mutually independent and insulated, and can be spliced with each other to form the heating body 2; as shown in fig. 3A, an explosion structure view of a second embodiment of the heating element 2; FIG. 3B is an overall structural view of the second embodiment of the heating body 2 after assembly; FIG. 3C is a sectional view of the second embodiment of the heating body 2 after assembly; the heating ring 21 and the heating cone 22 are respectively independent individuals and are spliced with each other to form the heating body 2, and the heating ring 21 and the heating cone 22 are connected in parallel and are respectively and independently connected with a power supply; because the heating ring 21 and the heating cone 22 are connected with the power supply in a parallel mode, the effects of reducing resistance and increasing current can be achieved, and the heat efficiency is further improved. In this embodiment, the inner electrode 1 and the outer electrode 3 are respectively connected with the heating body 2 in an electric conduction manner, but the heating ring 21 and the heating cone 22 which are relatively independent are not in direct electric contact, so that insulation is kept.
The heating ring 21 is connected with the lead wire and then directly connected with the outer electrode 3 in parallel, because the outer electrode 3 is conducted with the heating cone 22, and forms a pole after being connected in parallel. The heating ring 21 and the heating cone 22 share the inner electrode 1 to form another electrode, and no additional lead is needed. The heating ring 21, the heating cone 22 and the inner electrode 1 are electrically conducted.
Of course, in addition to the above-mentioned embodiments, it is also possible to divide the heating element 2 into a larger number of independent bodies and then splice them together, and these specific embodiments are all included in the scope of the present invention.
And the third is that: the heating body 2 is formed by splicing at least two segments which are divided along the circumferential direction, each segment comprises a part of heating ring 21 and a part of heating cone 22, and in the embodiment, the contact surfaces of the outer surface of the inner electrode 1 and the inner surface of the outer electrode 3 and the heating body 2 are electrically insulated; as shown in fig. 4A, an exploded view of a third embodiment of the heating element 2; FIG. 4B is an overall structural view of the heating body 2 after the assembly of the third embodiment; FIG. 4C is a sectional view of the heating body 2 after assembling the third embodiment; each segment preferably adopts a centrosymmetric arrangement mode, one part of the heating ring 21 and one part of the heating cone 22 are relatively fixed to form one segment, the heating body 2 is formed by splicing a plurality of segments along the circumferential direction, the segments are mutually independently arranged and mutually insulated, and the segments adopt a mutually parallel electric connection mode, so that the effects of reducing resistance and increasing current can be achieved, and further the heat efficiency is improved.
The same pole of each segment of the heating body 2 is connected in parallel and then connected with the inner electrode 1 or the outer electrode 3, correspondingly, the other pole of each segment is connected in parallel and then connected with the outer electrode 3 or the inner electrode 1. Each of the divided pieces of the heating body 2 is distributed separately from each other, insulated from each other, and kept insulated from the inner electrode 1 and the outer electrode 3, and an insulating isolation layer is provided.
The utility model also provides a hot melting gun, which comprises the heating nozzle and can achieve the same technical effect; please refer to the prior art for other structures of the heat melting gun, which is not repeated herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A heating nozzle is characterized by comprising an inner electrode (1), a heating body (2) and an outer electrode (3), wherein the heating body (2) is clamped between the inner electrode (1) and the outer electrode (3), the inner electrode (1) and the outer electrode (3) are respectively connected to the positive electrode and the negative electrode of a power supply and used for supplying power to the heating body (2), and the heating body (2) is electrified to generate heat and conducts heat to the inner electrode (1);
the inner electrode (1) comprises a preheating ring (11) and a heating cone (12), the preheating ring (11) is positioned at the leading-in end of the inner electrode (1), and the cylindrical surface of the inner cavity of the preheating ring (11) can be in contact with the surface of the glue stick to be preheated and softened; the heating cone (12) is butted with the preheating ring (11), the inner surface of the heating cone is a revolution surface which is gradually reduced along the axial direction, and the heating cone is used for heating and melting the glue stick.
2. The heating nozzle according to claim 1, wherein the heating body (2) comprises a heating ring (21) and a heating cone (22), the heating ring (21) is cylindrical, the inner surface of the heating ring (21) is in contact with the outer surface of the preheating ring (11) for heat conduction, and the inner surface of the heating cone (22) is in contact with the outer surface of the heating cone (12) for heat conduction.
3. A heating nozzle according to claim 2, characterized in that the outer electrode (3) is of a surface of revolution configuration in abutting contact with the outer surface of the heating cone (22).
4. A heated nozzle according to claim 3, characterised in that the heating cone (12) is concave in surface of revolution; the inner surface and the outer surface of the heating cone (22) are both concave rotary curved surfaces; the outer electrode (3) is an inwards concave rotary curved surface.
5. A heated nozzle according to claim 2, characterised in that the inner electrode (1) further comprises a cylindrical glue inlet (13) and a cylindrical glue outlet (14), the diameter of the glue inlet (13) being larger than the diameter of the preheating ring (11), the diameter of the glue outlet (14) being equal to the diameter of the smallest of the heating cones (12).
6. A heating nozzle according to claim 2, characterized in that the heating body (2) is a separate entity formed by the preheating ring (11) and the heating cone (12) being fixed relatively.
7. A heating nozzle according to claim 2, characterized in that the heating ring (21) and the heating cone (22) are arranged independently of each other and insulated from each other, and can be spliced to each other to form the heating body (2); the heating ring (21) and the heating cone (22) are connected in parallel.
8. A heating nozzle according to claim 2, wherein said heat-generating body (2) is formed by splicing at least two circumferentially divided segments, each of said segments comprising a part of said heat-generating ring (21) and a part of said heat-generating cone (22); each of the segments are independently arranged and insulated from each other and are connected in parallel.
9. A heat stake gun comprising a heated nozzle as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021158661.4U CN212064403U (en) | 2020-06-19 | 2020-06-19 | Heating nozzle and hot melt rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021158661.4U CN212064403U (en) | 2020-06-19 | 2020-06-19 | Heating nozzle and hot melt rifle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212064403U true CN212064403U (en) | 2020-12-01 |
Family
ID=73514255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021158661.4U Withdrawn - After Issue CN212064403U (en) | 2020-06-19 | 2020-06-19 | Heating nozzle and hot melt rifle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212064403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111586908A (en) * | 2020-06-19 | 2020-08-25 | 杭州星战科技有限公司 | Heating nozzle and hot melt rifle |
-
2020
- 2020-06-19 CN CN202021158661.4U patent/CN212064403U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111586908A (en) * | 2020-06-19 | 2020-08-25 | 杭州星战科技有限公司 | Heating nozzle and hot melt rifle |
| CN111586908B (en) * | 2020-06-19 | 2024-05-31 | 金华市聚杰电器有限公司 | Heating nozzle and hot melting gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230714 Address after: 321200 No.18, Huanglong 3rd road, Huanglong Industrial functional zone, Hushan street, Wuyi County, Jinhua City, Zhejiang Province Patentee after: JINHUA JUJIE ELECTRIC APPLIANCE CO.,LTD. Address before: 310006 room 321, 28 Huancheng West Road, Xiacheng District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Star Wars Technology Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201201 Effective date of abandoning: 20240531 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201201 Effective date of abandoning: 20240531 |