CN111300762A - Freely-adjustable and fastenable heater and hot runner nozzle - Google Patents
Freely-adjustable and fastenable heater and hot runner nozzle Download PDFInfo
- Publication number
- CN111300762A CN111300762A CN202010170127.3A CN202010170127A CN111300762A CN 111300762 A CN111300762 A CN 111300762A CN 202010170127 A CN202010170127 A CN 202010170127A CN 111300762 A CN111300762 A CN 111300762A
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- tightening
- housing
- heater
- fastenable
- expansion block
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- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 241000227287 Elliottia pyroliflora Species 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2737—Heating or cooling means therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The embodiment of the invention provides a freely-adjustable and fastenable heater and a hot runner nozzle, belonging to the technical field of heating devices, wherein the heater comprises: a housing comprising a housing having a heating cavity therein; the heating wire is arranged in the heating cavity; wherein the inner diameter of the heating cavity of the shell can be reduced, and the heating wire is pressed inwards through the heating cavity. The technical effects that the heater is convenient to install and is tightly attached to the components are achieved.
Description
Technical Field
The invention relates to the technical field of heating devices, in particular to a freely-adjustable and fastenable heater and a hot runner nozzle.
Background
The heater is one of the very important parts in the hot runner system, and the whole hot runner system needs to be heated to the melting temperature of the material for a long time, so the heating effect and the stability of the heater are very important. The conventional hot runner in the market at present uses a copper bush heater and a spring heater, the copper bush heater is a heating wire engraved on a copper bush, the heat conduction effect of copper is good, so that the heat of the heater is relatively uniform, the heating effect is also good, but the heater is conducted to a hot nozzle by heat conduction, so that the inner diameter of the heater and the attaching degree of the hot nozzle are very important, the attaching effect is better, but the processing requirement is extremely high and the assembly and disassembly are difficult if the inner hole of the heater is tightly matched, and the copper bush is ensured not to deform, so that the hot runner has great limitation; spring heaters also have similar problems and cannot meet the dual requirements of easy installation and tight attachment.
Therefore, the technical problems of the prior art are as follows: there is a conflict between the installation of the heater and the degree of conformance.
Disclosure of Invention
The embodiment of the application provides a freely-adjustable and fastenable heater and a hot runner nozzle, and solves the technical problem of contradiction between installation and fitting degree of a heater in the prior art; the technical effects that the heater is convenient to install and is tightly attached to the components are achieved.
The present application embodiment provides a freely adjust fastenable heater, the heater includes: a housing comprising a housing having a heating cavity therein; the heating wire is arranged in the heating cavity; wherein the inner diameter of the heating cavity of the shell can be reduced, and the heating wire is pressed inwards through the heating cavity.
Preferably, the housing has a first side and a second side, and the housing further comprises: the two ends of the tightening piece are respectively connected with the first side edge and the second side edge; and the two ends of the heating cavity can be folded inwards through the tightening piece.
Preferably, the tightening member penetrates through the first side and the second side of the housing, the housing is in threaded connection with the tightening member, or the housing is additionally provided with a nut in threaded connection with the tightening member, and the distance between the tightening member and the first side and the distance between the tightening member and the second side can be reduced through threaded adjustment.
Preferably, the tightening member is a deformable flexible body, and two ends of the flexible body are fixedly connected with the shell; the length between the two ends of the flexible body can be adjusted by screwing, so that the distance between the tightening piece and the first side edge and the distance between the tightening piece and the second side edge can be reduced.
Preferably, the tightening piece is arranged on the outer side of the shell, and a tightening cavity is formed between the tightening piece and the shell; and the housing further comprises: the action piece is positioned in the tightening cavity, and the outer contour of the action piece can be enlarged; wherein, the lateral surface of action spare and the chamber wall contact of tightening up the chamber, make through the action spare and tighten up the internal diameter expansion of chamber.
Preferably, the operating member includes: the outer contour of the substrate is small at the top and big at the bottom; the expansion block is hollow and is sleeved on the base body from top to bottom; the screwing piece is in threaded connection with the base body and is in contact with the expansion block; wherein the screwing element acts on the expansion block and, via the base body, enlarges the outer contour during the downward movement of the expansion block.
Preferably, the screwing piece penetrates through the expansion block from top to bottom, and the screwing piece is in contact with the upper end face of the expansion block.
Preferably, the outer surface of the base is an inclined surface, and the inner surface of the expansion block is bonded to the outer surface of the base.
Preferably, the tightening piece is provided with limiting blocks, the limiting blocks are arranged at the upper end and the lower end of the tightening piece, and the action piece is located in the tightening cavity through the limiting blocks.
An embodiment of the present application further provides a hot runner nozzle, including: a nozzle body; the heater is the freely adjustable and fastenable heater, and the heater is sleeved on the nozzle body.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
1. in the embodiment of the application, a shell is arranged on the outer side of the traditional heating wire in a wrapping mode, the inner diameter of the shell is reduced through force application to the shell, so that the shell acts on the heating wire inwards, and the heating wire can be tightly attached to a hot runner nozzle. When the inner diameter of the shell is not reduced, the gap between the heating wire and the hot runner nozzle is large, so that the heater can be conveniently sleeved on the hot runner nozzle; the technical problem that contradiction exists between the installation and the fitting degree of the heater in the prior art is solved; the technical effects that the heater is convenient to install and is tightly attached to the components are achieved.
2. In the embodiment of the application, a tightening cavity is constructed by arranging the tightening piece, the tightening cavity is initially flat, and the tightening cavity is continuously expanded when the action piece is expanded outwards, so that the tightening cavity is gradually expanded from the flat shape, the distance between the first side edge and the second side edge connected with the tightening piece is continuously reduced, and the accommodating cavity is continuously reduced. Firstly, the adjustment amplitude is accurate by adopting the mode that the expansion block expands outwards, and all parts of the whole shell can uniformly contract inwards; and secondly, the outer contour of the tightening part is smooth, so that the hot runner nozzle can work normally, and the hot runner nozzle is prevented from being interfered in the working process.
3. In the embodiment of the application, the screwing piece moves downwards to drive the expansion block to press the base body downwards, so that the expansion block expands outwards; whole expansion mode, action piece and hot runner nozzle are vertical setting for can adjust from the top down when the workman adjusts the piece of tightening, when avoiding having a plurality of hot runner nozzle that divide in disorder to establish on the flow distribution plate, hot runner nozzle disturbs the normal regulation of heater.
Drawings
FIG. 1 is a schematic axial view of a freely adjustable fastenable heater according to an embodiment of the present disclosure;
FIG. 2 is a schematic top view of a freely adjustable fastenable heater according to an embodiment of the present application;
FIG. 3 is a schematic axial side view of an actuator according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of an exploded view of an actuator according to an embodiment of the present application;
FIG. 5 is a cross-sectional view of the heater of FIG. 2 taken along line A-A prior to fastening;
fig. 6 is a cross-sectional view of the heater of fig. 2 taken along the line a-a after fastening.
Reference numerals: 1. a housing; 11. a housing; 12. a tightener; 121. a tightening cavity; 13. an actuation member; 131. screwing parts; 132. a substrate; 1321. the outer side surface of the substrate; 133. an expansion block; 1331. expanding the inner side of the block; 14. a limiting block; 2. a heating wire.
Detailed Description
The embodiment of the application provides a freely adjust fastenable heater, sets up a shell 1 through the cladding in 2 outsides of traditional heater strip, makes the internal diameter of shell 1 reduce through 1 application of force to the shell to make shell 1 to the heater strip 2 inwardly action, make the laminating that heater strip 2 can be inseparable on hot runner nozzle. When the inner diameter of the shell 1 is not reduced, the gap between the heating wire 2 and the hot runner nozzle is large, so that the heater can be conveniently sleeved on the hot runner nozzle; the technical problem that contradiction exists between the installation and the fitting degree of the heater in the prior art is solved; the technical effects that the heater is convenient to install and is tightly attached to the components are achieved.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example one
A freely adjustable fastenable heater, comprising: a housing 1 and a heating wire 2; the shell 1 comprises a shell 11 and a tightening piece 12, wherein the shell 11 is provided with a first side edge and a second side edge, and the shell 11 is in a coating shape to form a heating cavity; the heating wire 2 is arranged in the heating cavity; wherein the inner diameter of the heating chamber of the housing 11 can be reduced and the heating wire 2 is pressed inwards by the heating chamber.
A tightening member 12, both ends of the tightening member 12 being connected to the first side edge and the second side edge, respectively; and the two ends of the heating chamber can be gathered inwards by the tightening piece 12.
Specifically, the tightening of the heating cavity by the tightener 12 may be by screw rotation to adjust the spacing; the tightening member 12 is a hard body, such as a rod body, the tightening member 12 penetrates through the first side and the second side of the housing 11, the housing 11 is in threaded connection with the tightening member 12, or the housing 11 is additionally provided with a nut in threaded connection with the tightening member 12, and the distance between the tightening member 12 and the first side and the distance between the tightening member 12 and the second side can be reduced through threaded adjustment.
Specifically, the tightening part 12 is provided with a limiting block 14, the limiting blocks 14 are arranged at the upper end and the lower end of the tightening part 12, and the action part 13 is positioned in the tightening cavity 121 through the limiting blocks 14; a stopper 14 is provided on the housing 11 so that the heating wire 2 is confined in the heating chamber.
Example two
On the basis of the first embodiment, the tightening is improved, specifically:
the tightening member 12 is a deformable flexible body, and two ends of the flexible body are fixedly connected with the housing 11; wherein the length between the two ends of the flexible body can be adjusted by screwing, so that the distance between the tightening element 12 and the first and second sides can be reduced. If the tightening element 12 is a steel wire or a steel cable, the distance between the two ends of the tightening element 12 is shortened by tightening the two steel wires and the steel cable together through the clamp body.
EXAMPLE III
On the basis of the first embodiment, the tightening is improved, specifically:
the tightening member 12 is disposed outside the housing 11, and the tightening member 12 is a thin sheet body and is easy to deform under force, such as a steel sheet or a copper sheet. A tightening cavity 121 is formed between the tightening member 12 and the housing 11; and the housing 1 further comprises: the action piece 13, the action piece 13 is located in the tightening cavity 121, and the outer contour of the action piece 13 can be enlarged; wherein, the lateral surface of action piece 13 and the chamber wall contact of tightening chamber 121, make the internal diameter of tightening chamber 121 enlarge through action piece 13. The action 13 includes: a base 132, an expansion block 133, and a screw 131.
The outer contour of the substrate 132 is small at the top and big at the bottom; the base outer surface 1321 of the base 132 is a slope, and the expansion block inner side surface 1331 of the expansion block 133 is attached to the base outer surface 1321. The base 132 is fixedly disposed relative to the tightening cavity 121, and the specific manner may be that the base 132 is fixedly connected with a cavity wall of the tightening cavity 121, or the base 132 is clamped in the tightening cavity 121, so that the base 132 does not rotate relative to the tightening cavity 121.
The expansion block 133 is hollow, and the expansion block 133 is sleeved on the base body 132 from top to bottom. Specifically, the lower portion of the expansion block 133 is a plurality of blocks such that the blocks are individually expanded outwardly by the base 132.
The screwing piece 131, the screwing piece 131 and the base body 132 are in threaded connection, and the screwing piece 131 is in contact with the expansion block 133; specifically, the screwing member 131 may be a screw, the screwing member 131 is inserted through the expansion block 133 from the top to the bottom, and the screwing member 131 is in contact with the upper end surface of the expansion block 133. Wherein the screwing element 131 acts on the expansion block 133 and makes the outer contour of the expansion block 133 larger during the downward movement thereof by means of the base body 132.
Example four
On the basis of the first, second or third embodiment, the heater is applied to a hot runner nozzle, specifically:
a hot-runner nozzle, comprising: a nozzle body; the heater is sleeved on the outer side of the nozzle body.
The working principle is as follows:
the original structure does not have a fastening device, and is provided with a certain fit clearance for installation, so that the heater and the body are not tightly attached, and inaccurate or abnormal temperature is caused.
The shell 1 for fastening is added to the existing structure, the structure is that the outer side surface 1321 of the base body 132 is a conical surface, the expansion block 133 slides through the pulling force of the screwing piece 131 for tightening, so that the expansion block 133 acts on the conical surface of the base body 132, the expansion block 133 is expanded more and more when the screw is screwed, meanwhile, the tightening cavity 121 and the tightening piece 12 are extruded, the shell 11 is shrunk inwards through extrusion, and finally, the heater is tightly attached to the nozzle main body, so that the heating effect is better.
The technical effects are as follows:
1. in the embodiment of the application, a shell is arranged on the outer side of the traditional heating wire in a wrapping mode, the inner diameter of the shell is reduced through force application to the shell, so that the shell acts on the heating wire inwards, and the heating wire can be tightly attached to a hot runner nozzle. When the inner diameter of the shell is not reduced, the gap between the heating wire and the hot runner nozzle is large, so that the heater can be conveniently sleeved on the hot runner nozzle; the technical problem that contradiction exists between the installation and the fitting degree of the heater in the prior art is solved; the technical effects that the heater is convenient to install and is tightly attached to the components are achieved.
2. In the embodiment of the application, a tightening cavity is constructed by arranging the tightening piece, the tightening cavity is initially flat, and the tightening cavity is continuously expanded when the action piece is expanded outwards, so that the tightening cavity is gradually expanded from the flat shape, the distance between the first side edge and the second side edge connected with the tightening piece is continuously reduced, and the accommodating cavity is continuously reduced. Firstly, the adjustment amplitude is accurate by adopting the mode that the expansion block expands outwards, and all parts of the whole shell can uniformly contract inwards; and secondly, the outer contour of the tightening part is smooth, so that the hot runner nozzle can work normally, and the hot runner nozzle is prevented from being interfered in the working process.
3. In the embodiment of the application, the screwing piece moves downwards to drive the expansion block to press the base body downwards, so that the expansion block expands outwards; whole expansion mode, action piece and hot runner nozzle are vertical setting for can adjust from the top down when the workman adjusts the piece of tightening, when avoiding having a plurality of hot runner nozzle that divide in disorder to establish on the flow distribution plate, hot runner nozzle disturbs the normal regulation of heater.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A freely adjustable fastenable heater, comprising:
a housing comprising a housing having a heating cavity therein;
the heating wire is arranged in the heating cavity;
wherein the inner diameter of the heating cavity of the shell can be reduced, and the heating wire is pressed inwards through the heating cavity.
2. The free-regulating fastenable heater according to claim 1, wherein said housing has a first side and a second side, said housing further comprising:
the two ends of the tightening piece are respectively connected with the first side edge and the second side edge; and the two ends of the heating cavity can be folded inwards through the tightening piece.
3. The free-adjustment fastenable heater according to claim 2, wherein said tightening member is threaded through said first and second sides of said housing, and wherein said housing is threadably engaged with said tightening member, or wherein said housing is threadably engaged with said tightening member by a threaded adjustment such that said tightening member is reduced in distance relative to said first and second sides.
4. The freely adjustable fastenable heater according to claim 2, wherein said fastening member is embodied as a deformable flexible body, the flexible body having both ends fixedly connected to the housing; the length between the two ends of the flexible body can be adjusted by screwing, so that the distance between the tightening piece and the first side edge and the distance between the tightening piece and the second side edge can be reduced.
5. The free-adjustment fastenable heater according to claim 2, wherein said tightener is arranged outside said housing, and wherein said tightener and said housing define a tightening chamber therebetween; and the housing further comprises:
the action piece is positioned in the tightening cavity, and the outer contour of the action piece can be enlarged; wherein, the lateral surface of action spare and the chamber wall contact of tightening up the chamber, make through the action spare and tighten up the internal diameter expansion of chamber.
6. The free-regulating fastenable heater according to claim 5, wherein said actuator comprises:
the outer contour of the substrate is small at the top and big at the bottom;
the expansion block is hollow and is sleeved on the base body from top to bottom; and
the screwing piece is in threaded connection with the base body and is in contact with the expansion block;
wherein the screwing element acts on the expansion block and, via the base body, enlarges the outer contour during the downward movement of the expansion block.
7. The free-adjusting fastenable heater according to claim 6, wherein said screwing element is threaded through said expansion block from above downwards and contacts the upper end face of said expansion block.
8. The free-regulating fastenable heater according to claim 6, wherein said base outer side of said expansion block is beveled and said expansion block inner side of said expansion block engages said base outer side.
9. The freely adjustable tightenable heater according to claim 1, wherein the tightening member is provided with stoppers disposed at upper and lower ends of the tightening member, the action member being located in the tightening cavity by the stoppers.
10. A hot runner nozzle, comprising:
a nozzle body;
a heater as claimed in any one of claims 1 to 9, said heater fitting over said nozzle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170127.3A CN111300762A (en) | 2020-03-12 | 2020-03-12 | Freely-adjustable and fastenable heater and hot runner nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170127.3A CN111300762A (en) | 2020-03-12 | 2020-03-12 | Freely-adjustable and fastenable heater and hot runner nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111300762A true CN111300762A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010170127.3A Pending CN111300762A (en) | 2020-03-12 | 2020-03-12 | Freely-adjustable and fastenable heater and hot runner nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111300762A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7241131B1 (en) * | 2000-06-19 | 2007-07-10 | Husky Injection Molding Systems Ltd. | Thick film heater apparatus |
| CN205238491U (en) * | 2015-11-11 | 2016-05-18 | 东莞千度电热器材有限公司 | Totally closed locking heating element |
| CN205310682U (en) * | 2016-02-01 | 2016-06-15 | 佛山市顺德区弗伦克热流道科技有限公司 | Novel fixed knot that heating collar was chewed to heat constructs |
| CN205835891U (en) * | 2016-06-23 | 2016-12-28 | 上虞市昊特热能科技有限公司 | A kind of hot flow path is with carrying locking heater |
| CN207711312U (en) * | 2017-12-30 | 2018-08-10 | 苏州翠屏塑胶有限公司 | A kind of Pipe making mold heating device |
| CN108454027A (en) * | 2018-03-05 | 2018-08-28 | 高立凡 | A kind of Hot runner heater with locking mechanism |
| CN210116131U (en) * | 2019-06-10 | 2020-02-28 | 温州法斯特节能科技有限公司 | Energy-saving heating coil of pouring head of injection molding machine |
| CN212352754U (en) * | 2020-03-12 | 2021-01-15 | 浙江恒道科技有限公司 | Freely-adjustable and fastenable heater and hot runner nozzle |
-
2020
- 2020-03-12 CN CN202010170127.3A patent/CN111300762A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7241131B1 (en) * | 2000-06-19 | 2007-07-10 | Husky Injection Molding Systems Ltd. | Thick film heater apparatus |
| CN205238491U (en) * | 2015-11-11 | 2016-05-18 | 东莞千度电热器材有限公司 | Totally closed locking heating element |
| CN205310682U (en) * | 2016-02-01 | 2016-06-15 | 佛山市顺德区弗伦克热流道科技有限公司 | Novel fixed knot that heating collar was chewed to heat constructs |
| CN205835891U (en) * | 2016-06-23 | 2016-12-28 | 上虞市昊特热能科技有限公司 | A kind of hot flow path is with carrying locking heater |
| CN207711312U (en) * | 2017-12-30 | 2018-08-10 | 苏州翠屏塑胶有限公司 | A kind of Pipe making mold heating device |
| CN108454027A (en) * | 2018-03-05 | 2018-08-28 | 高立凡 | A kind of Hot runner heater with locking mechanism |
| CN210116131U (en) * | 2019-06-10 | 2020-02-28 | 温州法斯特节能科技有限公司 | Energy-saving heating coil of pouring head of injection molding machine |
| CN212352754U (en) * | 2020-03-12 | 2021-01-15 | 浙江恒道科技有限公司 | Freely-adjustable and fastenable heater and hot runner nozzle |
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Application publication date: 20200619 |
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