CN210525679U - Electric smelting pipe fitting wire winding core - Google Patents
Electric smelting pipe fitting wire winding core Download PDFInfo
- Publication number
- CN210525679U CN210525679U CN201921440282.1U CN201921440282U CN210525679U CN 210525679 U CN210525679 U CN 210525679U CN 201921440282 U CN201921440282 U CN 201921440282U CN 210525679 U CN210525679 U CN 210525679U
- Authority
- CN
- China
- Prior art keywords
- stem
- pipe fitting
- core
- winding
- core column
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Steering Controls (AREA)
Abstract
The utility model provides an electric smelting pipe fitting wire winding core belongs to electric smelting pipe fitting technical field. The core solves the technical problems that the existing core can only realize unidirectional winding of the resistance wire, and the two ends of the resistance wire are respectively positioned at the two ends of the formed pipe fitting, so that the overall quality of the pipe fitting is not facilitated. This electric smelting pipe fitting wire winding core is including being used for the stem of resistance wire winding, the outer peripheral face of stem has outstanding steering pin, steering pin's terminal orientation the end of inserting of stem. The utility model discloses can stabilize the hot line performance, reduce the welding failure rate, and two joints of resistance wire all are located the same one end of stem, can make the product security performance more excellent.
Description
Technical Field
The utility model belongs to the technical field of the electric smelting pipe fitting, a electric smelting pipe fitting wire winding core is related to.
Background
The electric melting pipe fitting is connected with an electric melting welding machine through a binding post, constant voltage is output by the electric melting welding machine and supplied to the electric melting pipe fitting and the pipe which are assembled, so that resistance wires preset in the pipe fitting generate heat, the resistance wires heat the pipe fitting and the pipe, the pipe fitting and the pipe in a melting state are connected with each other again through molecular chains under certain pressure, the pipe fitting and the pipe enter a cooling stage after specified welding time is reached, and the molecular chains in the middle of the pipe fitting and the pipe are rearranged and crystallized in the cooling process, so that the purpose of welding the pipe fitting and the pipe is achieved. When the electric melting pipe fitting is produced, the resistance wire is wound on the core-pulling core of the mold, then the core-pulling core wound with the resistance wire is placed into the mold for injection molding, and after injection molding and cooling, the core-pulling core is pulled out to obtain the molded electric melting pipe fitting.
For example, the electric melting diameter-changing device with an information acquisition port disclosed in chinese patent with an authorization publication number of CN209041841U includes: the body is a reducing pipe fitting which is axially communicated and comprises a large end part, a small end part and an inclined shoulder part for connecting the large end part and the small end part, wherein the large end part is used for accommodating and connecting an outer sheath pipe in an electric smelting mode, the small end part is used for accommodating and connecting an inner main pipe in an electric smelting mode so as to form a closed space between the inside of the outer sheath pipe and the outside of the electric smelting reducing pipe and the inner main pipe, and the inclined shoulder part is provided with a platform with an inner side concave part and an outer side concave part; the resistance wire is embedded in the inner walls corresponding to the large end part and the small end part and is configured to be in a conductive state, and the electrofusion reducing pipe is electrofusion welded with the outer-layer sheath pipe and the inner-layer main pipe; the connecting terminals are correspondingly arranged at the large end part and the small end part, are respectively connected with two ends of the resistance wire and are used for connecting an external welding machine; and the information acquisition port valve is arranged at the platform and used for installing a sensor so as to collect and monitor the change condition of the closed space.
The core in the above-mentioned structure only can realize the one-way convolution of resistance line, and the both ends of resistance line are located the both ends of shaping pipe fitting respectively, are unfavorable for the whole quality of pipe fitting, and if adopt two-way winding, need divide twice winding to weld the end of a thread tip again, are difficult to guarantee the thermal behavior stability of resistance line, and it is inhomogeneous to appear welding heat like this, leads to welding product intensity nonconformity production quality defect.
Disclosure of Invention
The utility model discloses to the above-mentioned problem that prior art exists, provide an electric smelting pipe fitting wire winding core, the utility model aims to solve the technical problem that: how to reduce the failure rate of welding.
The purpose of the utility model can be realized by the following technical proposal:
the winding core for the electric melting pipe fitting comprises a core column for winding a resistance wire, and is characterized in that a protruding steering pin is arranged on the outer peripheral surface of the core column, and the tail end of the steering pin faces towards the insertion end of the core column.
The core column is generally fixedly arranged on the rotating device, when the rotating device drives the core column to rotate, the resistance wire can be wound on the outer peripheral surface of the core column, then the pipe fitting is injection-molded on the surface of the core column, and the core pulling is completed to realize the production of the electric melting pipe fitting. Through set up outstanding and towards the steering pin that the stem inserted the end at the outer peripheral face of stem, can be with the resistance line fifty percent discount during production like this, the fifty percent discount point overlaps on the steering pin, then follow the circumference of stem with the resistance line and shine same direction winding, can accomplish the wire winding of bifilar resistance line, and be difficult for producing the interference to loosing core, the resistance line of winding on the stem like this is continuous holistic in addition, can stabilize the hot line performance, reduce the welding failure rate, and two joints of resistance line all are located the same end of stem, can make the product security performance more excellent.
In the electric melting pipe winding core, the outer peripheral surface of the core column is provided with a abdicating groove which penetrates through the core column to the insertion end of the core column along the axial direction of the core column, and the steering pin is positioned in the abdicating groove. The outer peripheral surface of the core column is provided with the abdicating groove which is axially communicated towards the insertion end of the core column, and the steering pin is arranged in the abdicating groove, so that the interference of the steering pin on the core pulling is reduced, and the core pulling process is smoother.
In the winding core for the electric melting pipe fitting, the steering pin extends in the axial direction of the core column. Through setting up the axial extension of steering pin along the stem, the extending direction of steering pin is unanimous with the direction of loosing core like this, further reduces the resistance of loosing core.
In the electric melting pipe fitting winding core, the outer peripheral surface of the core column is also provided with a plurality of limiting ribs arranged at intervals along the circumferential direction, the limiting ribs extend along the axial direction of the core column, and a winding area for winding the resistance wire is formed between the limiting ribs and the steering pins. Through set up a plurality of spacing ribs that arrange and follow axial extension along circumference interval in the outer peripheral face of stem, make spacing rib and to forming the wire winding district between the round pin, the part that the pipe fitting can be between spacing rib after pipe fitting injection moulding like this forms the fender edge that the resistance line that prevents the wire winding district is deviate from to avoid winding resistance line to deviate from along with the stem, guarantee the quality of product.
In the winding core for the electric melting pipe fitting, the end face of the insertion end of the core column is provided with an annular boss extending along the axial direction of the core column. By providing an axially extending annular boss at the insertion end of the stem, the stem can thus be used in the production of flanged pipe fittings.
As another scheme, the insertion end of the stem is in a closed spherical surface shape. The insertion end of the core column is in a closed spherical surface shape, so that the electric melting end cap is convenient to produce.
Compared with the prior art, the utility model has the advantages as follows:
this electric smelting pipe fitting wire winding core sets up outstanding and towards the steering pin that the stem inserted the end through the outer peripheral face at the stem, can be with the resistance line fifty percent discount during production like this, the inflection point overlaps on steering pin, then follow the circumference of stem and shine same direction winding with the resistance line, can accomplish the wire winding of double-stranded resistance line, and be difficult for interfering the production of loosing core, the resistance line of winding on the stem like this is continuous holistic constantly in addition, can stabilize the hot line performance, reduce the welding failure rate, and two joints of resistance line all are located same one end of stem, can make the product security performance more excellent.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment.
Fig. 2 is a schematic perspective view of the second embodiment.
In the figure, 1, a stem; 2. a steering pin; 3. a yielding groove; 4. limiting ribs; 5. and an annular boss.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
The first embodiment is as follows:
as shown in fig. 1, the winding core for the electrofusion tube comprises a core column 1 for winding the resistance wire, wherein the outer peripheral surface of the core column 1 is provided with a protruding steering pin 2, and the tail end of the steering pin 2 faces the insertion end of the core column 1. The core column 1 is generally fixedly arranged on the rotating device, when the rotating device drives the core column 1 to rotate, the resistance wire can be wound on the outer peripheral surface of the core column 1, then the pipe fitting is injection-molded on the surface of the core column 1, and the core pulling is completed to realize the production of the electric melting pipe fitting. Through set up outstanding and towards the kingpin 2 that inserts the end at stem 1 in the outer peripheral face of stem 1, can be with the resistance line fifty percent discount during production like this, the inflection point overlaps on kingpin 2, then follow the same direction winding of circumference illumination of stem 1 with the resistance line, can accomplish the wire winding of double-strand resistance line, and be difficult for interfering the production of loosing core, the resistance line of winding on stem 1 like this is continuous holistic constantly in addition, can stabilize the hot line performance, reduce the welding failure rate, and two joints of resistance line all are located the same end of stem 1, can make the product security performance more excellent. Specifically, the outer peripheral surface of the stem 1 is provided with a relief groove 3, the relief groove 3 penetrates through the insertion end of the stem 1 in the axial direction of the stem 1, and the kingpin 2 is located in the relief groove 3. The outer peripheral surface of the core column 1 is provided with the abdicating groove 3 which is axially communicated towards the insertion end of the core column 1, and the steering pin 2 is arranged in the abdicating groove 3, so that the interference of the steering pin 2 on the core pulling is reduced, and the core pulling process is smoother. Preferably, the kingpin 2 extends in the axial direction of the stem 1. By arranging the steering pin 2 to extend along the axial direction of the core column 1, the extending direction of the steering pin 2 is consistent with the core pulling direction, and the core pulling resistance is further reduced.
As shown in fig. 1, the outer peripheral surface of the core column 1 is further provided with a plurality of limiting ribs 4 arranged at intervals along the circumferential direction, the limiting ribs 4 extend along the axial direction of the core column 1, and a winding area for winding the resistance wire is formed between the limiting ribs 4 and the steering pin 2. Through set up a plurality of along circumference interval arrangement and along the 4 spacing muscle of axial extension in the outer peripheral face of stem 1, make spacing muscle 4 and to forming the wire winding district between the round pin, the part that the pipe fitting can be between 4 spacing muscle of pipe fitting injection moulding back pipe fitting forms the fender edge that the resistance line that prevents the wire winding district deviates from like this to avoid winding resistance line to deviate from along with stem 1, guarantee the quality of product. The insertion end of the stem 1 is in a closed spherical surface shape. The insertion end of the core column 1 is in a closed spherical surface shape, so that the electric melting end cap is convenient to produce.
Example two:
as shown in fig. 2, the present embodiment is substantially the same as the first embodiment, except that: the insertion end face of the stem 1 has an annular boss 5 extending axially along the stem 1. By providing the stem 1 with an axially extending annular boss 5 at the insertion end, the stem 1 can thus be used for the production of flanged pipe elements.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides an electric smelting pipe fitting wire winding core, includes stem (1) that is used for the resistance wire winding, its characterized in that, the outer peripheral face of stem (1) has outstanding steering pin (2), the terminal orientation of steering pin (2) the end of inserting of stem (1).
2. The electric melting pipe fitting winding core according to claim 1, wherein a relief groove (3) is formed in the outer peripheral surface of the core column (1), the relief groove (3) penetrates through the core column (1) to the insertion end of the core column (1) along the axial direction of the core column (1), and the steering pin (2) is located in the relief groove (3).
3. Electrical fuse tube winding core according to claim 1 or 2, characterized in that the steering pin (2) extends in axial direction of the core column (1).
4. The electric melting pipe fitting winding core according to claim 1 or 2, wherein the outer peripheral surface of the core column (1) is further provided with a plurality of limiting ribs (4) arranged at intervals along the circumferential direction, the limiting ribs (4) extend along the axial direction of the core column (1), and a winding area for winding the resistance wire is formed between the limiting ribs (4) and the steering pin (2).
5. A electrofusion tube winding core according to claim 1 or 2, characterised in that the insertion end face of the stem (1) has an annular boss (5) extending axially along the stem (1).
6. The electrofusion tube winding core according to claim 1 or 2, characterised in that the insertion end of the stem (1) is in the shape of a closed sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440282.1U CN210525679U (en) | 2019-08-30 | 2019-08-30 | Electric smelting pipe fitting wire winding core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440282.1U CN210525679U (en) | 2019-08-30 | 2019-08-30 | Electric smelting pipe fitting wire winding core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210525679U true CN210525679U (en) | 2020-05-15 |
Family
ID=70603868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921440282.1U Active CN210525679U (en) | 2019-08-30 | 2019-08-30 | Electric smelting pipe fitting wire winding core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210525679U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536646A (en) * | 2021-10-29 | 2022-05-27 | 浙江新大塑料管件有限公司 | Electric smelting pipe fitting wire winding drawing of patterns all-in-one |
| CN114669691A (en) * | 2022-03-31 | 2022-06-28 | 公元股份有限公司 | Core structure of electric melting bent pipe and winding method of core structure |
-
2019
- 2019-08-30 CN CN201921440282.1U patent/CN210525679U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536646A (en) * | 2021-10-29 | 2022-05-27 | 浙江新大塑料管件有限公司 | Electric smelting pipe fitting wire winding drawing of patterns all-in-one |
| CN114536646B (en) * | 2021-10-29 | 2023-11-17 | 浙江新大塑料管件有限公司 | Wire winding and demolding integrated machine for electric smelting pipe fitting |
| CN114669691A (en) * | 2022-03-31 | 2022-06-28 | 公元股份有限公司 | Core structure of electric melting bent pipe and winding method of core structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210525679U (en) | Electric smelting pipe fitting wire winding core | |
| US4572605A (en) | Injection molded in-line connector assembly for bipolar leads | |
| CN105705198B (en) | Feedthrough connector and its manufacture method with prefabricated distal end | |
| EP2215394B1 (en) | Tapping tee assembly | |
| CN203492785U (en) | Electronic cigarette | |
| CN106531349B (en) | A kind of earphone wire forming method | |
| CN100524962C (en) | Cable connector and its making method | |
| WO2003078123A3 (en) | Hot runner heater device and method of manufacture thereof | |
| US5697143A (en) | Method of manufacturing an electrofusion coupler | |
| JPH07151290A (en) | Welding sleeve made of thermoplastic material | |
| CN104285313B (en) | The machine of pole is connected for the connection pole of battery, accumulator housing and for manufacturing | |
| CN209571881U (en) | A kind of plastic packaging motor of stable insulation | |
| CN210141412U (en) | Binding post for electric melting pipe fitting | |
| CN210851156U (en) | Hot nozzle for improving installation position of temperature sensing line of hot nozzle | |
| CN209200230U (en) | Electric connector | |
| CN210484958U (en) | Induction hot melt pipe connector | |
| CN207884410U (en) | The outlet structure of motor and motor with it | |
| CN207350268U (en) | A kind of bayonet socket and the lamps and lanterns with the lamp cap | |
| CN104816428B (en) | Cable, die for producing cable and method for producing cable | |
| CN213366958U (en) | Special plug and socket assembly for direct-current storage battery | |
| CN214535042U (en) | Assembled electric melting pipe fitting | |
| CN216078826U (en) | Polyethylene electric smelting pipe cap structure | |
| CN214926561U (en) | Outer tube mold structure | |
| CN217503012U (en) | Combined double-seal joint pipe fitting | |
| CN214111391U (en) | Four-outlet extruder head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Huangyan Economic Development Zone, Taizhou City, Zhejiang province 318020 Dai Xi Road No. 2 Patentee after: Ad Co.,Ltd. Address before: Huangyan Economic Development Zone, Taizhou City, Zhejiang province 318020 Dai Xi Road No. 2 Patentee before: YONGGAO Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |