CN114932689A - Method for distributing electric hot melting network joints of pipes - Google Patents
Method for distributing electric hot melting network joints of pipes Download PDFInfo
- Publication number
- CN114932689A CN114932689A CN202210489540.5A CN202210489540A CN114932689A CN 114932689 A CN114932689 A CN 114932689A CN 202210489540 A CN202210489540 A CN 202210489540A CN 114932689 A CN114932689 A CN 114932689A
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- Prior art keywords
- net
- electric hot
- hot melting
- lead
- electric
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- 238000002844 melting Methods 0.000 title claims abstract description 104
- 230000008018 melting Effects 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 24
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000007598 dipping method Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000003466 welding Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003672 processing method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 230000004927 fusion Effects 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention relates to the technical field of processing methods of pipe joints with plastic structure walls, and discloses a method for distributing electric hot melting network joints of pipes, which comprises the following steps: s01, cutting the electric hot melting net, and rolling the electric hot melting net into a C-shaped tubular structure; s02, dipping the wire core of the lead wire in tin, enabling the wire core of the lead wire to cross and penetrate through the mesh of the electric melting net along the axial direction of the electric melting net, folding one end of the electric melting net towards the wire core of the lead wire along the circumferential direction of the electric melting net and attaching the end to the wire core of the lead wire; and S03, sleeving the electric hot melting net outside the steel die, hanging the electric hot melting net on the net hanging column, and covering the protective cover on the insulating layer of the lead. The wire core that passes the lead wire through crisscross mesh that passes the electrothermal welding net improves the fixed effect between lead wire and the electrothermal welding net, through folding the electrothermal welding net on the sinle silk of lead wire, increases the sinle silk of lead wire and the area of contact of electrothermal welding net, ensures that the tubular product lead wire good reliability that produces, and faster for conventional production mode production efficiency, easy operation.
Description
Technical Field
The invention relates to the technical field of a processing method of a pipe joint with a plastic structure wall, in particular to a method for arranging a pipe electric hot melting net joint.
Background
Compared with a heating wire joint, the electric hot melting net joint has obvious advantages in material cost, and the net distribution process adopted by winding structure wall C-shaped pipes connected by the electric hot melting net in the market belongs to a multi-step method. However, for B-type pipe material of winding structure wall, because the steel mould is baked during the production process, the electric melting net can not be fixed by the method of C-type pipe, and the lead wire is damaged after being burned at high temperature, so if B-type pipe material of winding structure wall of electric melting net joint is to be produced, the pipe material embedded with electric melting net is produced first, then the port position of electric melting net is heated by hot air gun, the net end is blown up, then the net end is connected and fixed with the lead wire, and finally the pipe material is pressed back again, this method also belongs to multi-step method. The net arranging method has the advantages of low production efficiency, high labor cost, poor reliability of the lead, and easy occurrence of problems of ignition, open circuit and the like when in hot melting connection.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the existing net distribution method for producing the winding structure wall B-shaped pipe of the electric hot melting net joint has low production efficiency, high labor cost and poor reliability at a lead.
In order to solve the technical problem, the invention provides a method for distributing a pipe electric hot melting network joint, which comprises the following steps: s01, cutting the electric hot melting net, and rolling the electric hot melting net into a C-shaped tubular structure; s02, dipping the wire core of the lead wire in tin, enabling the wire core of the lead wire to cross and penetrate through the mesh of the electric hot melting net along the axial direction of the electric hot melting net, folding one end of the electric hot melting net towards the wire core of the lead wire along the circumferential direction of the electric hot melting net and attaching the end to the wire core of the lead wire; and S03, sleeving the electric hot melting net outside the steel die, hanging the electric hot melting net on the net hanging column, and covering the protective cover on the insulating layer of the lead.
Further, in step S02, after the electric melting net is folded toward the core of the lead, the electric melting net is wrapped around the core of the lead and fixed.
Further, after the electric hot melting net is coated outside the wire core of the lead, nails are nailed on the electric hot melting net through a stapler for shaping.
Further, in step S02, the leads are a pair, one lead is corresponding to each of two opposite ends of the electric hot melting net, and the electric hot melting net is folded toward the nearest lead.
Further, in step S02, after the electric melting net is folded toward the core of the lead wire, a gap is left between two opposite ends of the electric melting net, the gap is located between the two lead wires, and the width of the gap is 3-15 mm.
Further, in step S03, the net hanging column is located on a side of the lead wire far away from the other lead wire, and the net hanging column penetrates through two layers of electrothermal fusion nets.
Further, in step S03, each lead corresponds to at least two net hanging posts, and the net hanging posts are spaced apart along the axial direction of the electric melting net.
Further, in step S02, the electric melting net comprises a main body part and a folding part, the folding part is located above the wire core of the lead, the main body part is located below the wire core of the lead, and the width of the folding part is 10-30 mm.
Compared with the prior art, the method for arranging the electric hot-melting net joints of the pipes has the beneficial effects that: the wire core that passes the lead wire is crisscross through the mesh of electrothermal welding net, improves the fixed effect between lead wire and the electrothermal welding net, through with the electrothermal welding net fold on the sinle silk of lead wire, increases the sinle silk of lead wire and the area of contact of electrothermal welding net, ensures that the tubular product lead wire good reliability that produces. Compared with the conventional production mode, the production efficiency is higher, the operation is simpler, and the labor cost is lower.
Drawings
FIG. 1 is a plan view of a wire core through an electrofusion screen;
FIG. 2 is a side view of a wire core through an electrofusion screen;
FIG. 3 is a schematic view of an electric melting net after being folded towards a wire core;
FIG. 4 is a schematic view of the protection device;
FIG. 5 is a schematic view of a protective device acting on a lead;
fig. 6 is a schematic view of a protective cover covering the leads.
In the figure, 1, an electric hot melting net; 11. a body portion; 12. a folded portion; 2. a lead; 21. a wire core; 22. an insulating layer; 3. hanging a net post; 4. a gap; 5. a protection device; 51. a protective cover; 52. a base; 53. and a pressing member.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc., used herein to indicate the orientation or positional relationship, are based on those shown in the drawings, and are 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 construed as limiting the present invention.
As shown in fig. 1 to 6, a method for laying a joint of an electric hot-melt net for pipes according to a preferred embodiment of the present invention includes the following steps: s01, cutting the electric melting net 1 with a proper size according to the pipe connected as required, wherein the cut electric melting net 1 is approximately rectangular, and the electric melting net 1 is rolled into a tubular shape along the length direction of the electric melting net 1, wherein two ends of the electric melting net 1 in the length direction are not in contact with each other and a gap 4 is reserved between the two ends, so that the electric melting net 1 is in a C-shaped tubular structure.
S02, dipping tin into the wire cores 21 of the two leads 2, so as to increase the contact area between the wire cores 21 of the leads 2 and the electric melting net 1, wherein two opposite ends of the electric melting net 1 respectively correspond to one lead 2, and the wire cores 21 of the leads 2 are crossed and penetrate through the meshes of the electric melting net 1 along the axial direction of the tubular electric melting net 1, when the wire cores 21 of the leads 2 penetrate through the meshes of the electric melting net 1, the wire cores 21 of the leads 2 above the electric melting net 1 are attached to the upper surface of the electric melting net 1, and the wire cores 21 of the leads 2 below the electric melting net 1 are attached to the bottom surface of the electric melting net 1 by deflecting the wire cores 21 of the leads 2 passing through the meshes. One end of the electric hot melting net 1 is folded towards the nearest wire core 21 of the lead 2 along the circumferential direction of the tubular electric hot melting net 1, so that the electric hot melting net 1 is attached to the upper surface of the wire core 21 of the lead 2, at this time, the electric hot melting net 1 comprises a main body part 11 and a folding part 12, the folding part 12 is positioned above the wire core 21 of the lead 2, and the main body part 11 is positioned below the wire core 21 of the lead 2. The folding part 12 attached to the wire core 21 of the lead 2 can increase the contact area of the wire core 21 and the electric hot melting net 1, and improve the bearing capacity of the joint to welding current. In order to further increase the contact area between the wire core 21 and the electric melting net 1, the electric melting net 1 may be turned over with the wire core 21 as an axis, the folding portion 12 is in a strip shape, the folding portion 12 may completely cover the wire core 21 of the lead 2, and the portion of the electric melting net 1 penetrated by the wire core 21 and the folding portion 12 completely wrap the wire core 21. The width a of the folding part 12 is 10-30 mm, the width can meet the wrapping requirements of the wire cores 21 with various diameter sizes, and redundant width is provided for the subsequent net hanging columns 3 to penetrate through. In order to ensure that the folded portion 12 is not released from the wire core 21, the folded portion 12 needs to be fixed, and in this embodiment, a nail is driven to the folded portion 12 by a stapler, and the folded portion 12 is fixed to the electric fusing net 1 under the wire core 21, so that the folded portion 12 of the electric fusing net 1 is fixed.
S03, sleeving the electric hot-melt net 1 outside the steel die and hanging the electric hot-melt net on the net hanging column 3, fixing the electric hot-melt net 1 on the steel die by using the net hanging column 3, and protecting the insulating layer 22 of the lead wire 2 by the protection device 5 to prevent the flame from igniting the insulating layer 22 of the lead wire 2 when the steel die is baked by the flame at the back. And finally, the production process of the winding structure wall B type pipe of the joint of the conventional electric hot melting net 1 can be carried out, and the winding structure wall B type pipe of the electrified hot melting net 1 can be produced.
As shown in fig. 4 to 6, in the present embodiment, the protection device 5 in step S03 includes a protection cover 51, a base 52 and a pressing member 53, wherein the base 52 is fixed on a steel mold, the protection cover 51 is hinged on the base 52, the protection cover 51 can be turned over on the base 52, the pressing member 53 can apply an adjustable elastic force to the protection cover 51 to press the protection cover 51 on the insulation layer 22 of the lead 2, the protection cover 51 is made of a material with high temperature resistance and poor thermal conductivity, and when it is required to fire and bake the steel mold, the pressing member 53 applies an elastic force to the protection cover 51, and the protection cover 51 is turned over downward and pressed on the insulation layer 22 of the lead 2.
As shown in fig. 3, in step S03, the net hanging pillar 3 is located on a side of the lead 2 away from the other lead 2, and the net hanging pillar 3 penetrates through two layers of the electrothermal fusion net 1, and the net hanging pillar 3 can fix the position of the electrothermal fusion net 1 and reinforce the package of the electrothermal fusion net 1 on the core 21 of the lead 2. In step S03, each lead 2 corresponds to at least two net hanging posts 3, and the net hanging posts 3 are distributed at intervals along the axial direction of the electric melting net 1, so as to further enhance the fixing effect of the electric melting net 1 on a steel die and ensure that the position of the electric melting net 1 does not deviate in the baking process.
As shown in fig. 1 to 3, in step S02, when the electric fusing mesh 1 is folded toward the wire core 21 of the lead 2, a gap 4 is left between two opposite ends of the electric fusing mesh 1, the gap 4 is located between the two leads 2, the gap 4 prevents the wire cores 21 of the two leads 2 from being electrically connected to each other, when the lead 2 is powered on, the current comes out from the lead 2 and needs to pass through the electric fusing mesh 1 for a circle, and then reaches the other lead, so as to ensure that the electric fusing mesh 1 generates heat uniformly. The width c of the gap 4 is 3-15 mm, the width of the gap 4 is controlled within the range, on the premise that the current cannot break down the gap 4, the electric hot melting net 1 is as close to a complete round pipe as possible, and the contact area can be increased as much as possible when the electric hot melting net is welded with a B-shaped pipe.
To sum up, the embodiment of the present invention provides a method for laying a pipe electric melting network joint, which improves a fixing effect between a lead 2 and an electric melting network 1 by passing a wire core 21 of the lead 2 through a mesh of the electric melting network 1 in a staggered manner, increases a contact area between the wire core 21 of the lead 2 and the electric melting network 1 by overlapping the electric melting network 1 on the wire core 21 of the lead 2, ensures that a produced pipe lead 2 has strong reliability, and has faster production efficiency, simpler operation and lower labor cost compared with a conventional production mode.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. A method for distributing a pipe electric hot melting net joint is characterized by comprising the following steps:
s01, cutting the electric hot melting net, and rolling the electric hot melting net into a C-shaped tubular structure;
s02, dipping the wire core of the lead wire in tin, enabling the wire core of the lead wire to cross and penetrate through the mesh of the electric hot melting net along the axial direction of the electric hot melting net, folding one end of the electric hot melting net towards the wire core of the lead wire along the circumferential direction of the electric hot melting net and attaching the end to the wire core of the lead wire;
and S03, sleeving the electric hot melting net outside the steel die, hanging the electric hot melting net on the net hanging column, and covering the protective cover on the insulating layer of the lead.
2. The method for laying the electric hot melting network joint of the pipe according to claim 1, wherein: in step S02, after the electric melting net is folded toward the core of the lead, the electric melting net is wrapped around the core of the lead and fixed.
3. The method for arranging the electric hot melting network joint of the pipe according to claim 2, wherein: after the electric hot melting net is coated outside the wire core of the lead, nails are nailed on the electric hot melting net through the stapler for shaping.
4. The method for arranging the electric hot melting network joint of the pipe according to claim 1, wherein: in step S02, the pair of leads is a pair, one lead is provided at each of two opposite ends of the electric melting net, and the electric melting net is folded toward the nearest lead.
5. The method for laying the pipe electric hot melting net joint according to claim 4, wherein the method comprises the following steps: in step S02, after the electric melting net is folded toward the core of the lead wire, a gap is left between the two opposite ends of the electric melting net, the gap is located between the two lead wires, and the width of the gap is 3-15 mm.
6. The method for arranging the electric hot melting network joint of the pipe according to claim 4, wherein: in step S03, the net hanging pillar is located on a side of the lead wire away from the other lead wire, and the net hanging pillar penetrates through two layers of electrothermal melting nets.
7. The method for laying the electric hot melting network joint of the pipe according to claim 1, wherein: in step S03, each lead corresponds to at least two net hanging posts, and the net hanging posts are distributed at intervals along the axial direction of the electric hot melting net.
8. The method for laying the electric hot melting network joint of the pipe according to claim 1, wherein: in step S02, the electric hot melting net comprises a main body part and a folding part, wherein the folding part is located above the wire core of the lead, the main body part is located below the wire core of the lead, and the width of the folding part is 10-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210489540.5A CN114932689A (en) | 2022-05-06 | 2022-05-06 | Method for distributing electric hot melting network joints of pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210489540.5A CN114932689A (en) | 2022-05-06 | 2022-05-06 | Method for distributing electric hot melting network joints of pipes |
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|---|---|
| CN114932689A true CN114932689A (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210489540.5A Pending CN114932689A (en) | 2022-05-06 | 2022-05-06 | Method for distributing electric hot melting network joints of pipes |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010048223A1 (en) * | 1996-05-28 | 2001-12-06 | C & S Intellectual Properties, Llc | Method of and joint for coupling thermoplastic pipes |
| CN103527885A (en) * | 2012-07-05 | 2014-01-22 | 孙志强 | Plastic pipeline electric smelting connecting piece of electric heating element with mesh structure and preparing method of connecting piece |
| US20180022036A1 (en) * | 2014-10-24 | 2018-01-25 | Shawcor Ltd. | Apparatus and system for electro-fusion of polyethylene pipeline |
| CN209909388U (en) * | 2019-05-08 | 2020-01-07 | 华创天元实业发展有限责任公司 | Reinforced electrothermal melting belt and connecting structure for connecting plastic pipeline |
| CN215763890U (en) * | 2021-08-06 | 2022-02-08 | 大连开元管道有限公司 | Non-lap joint type electric hot melting sleeve electric hot melting net mesh structure |
-
2022
- 2022-05-06 CN CN202210489540.5A patent/CN114932689A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010048223A1 (en) * | 1996-05-28 | 2001-12-06 | C & S Intellectual Properties, Llc | Method of and joint for coupling thermoplastic pipes |
| CN103527885A (en) * | 2012-07-05 | 2014-01-22 | 孙志强 | Plastic pipeline electric smelting connecting piece of electric heating element with mesh structure and preparing method of connecting piece |
| US20180022036A1 (en) * | 2014-10-24 | 2018-01-25 | Shawcor Ltd. | Apparatus and system for electro-fusion of polyethylene pipeline |
| CN209909388U (en) * | 2019-05-08 | 2020-01-07 | 华创天元实业发展有限责任公司 | Reinforced electrothermal melting belt and connecting structure for connecting plastic pipeline |
| CN215763890U (en) * | 2021-08-06 | 2022-02-08 | 大连开元管道有限公司 | Non-lap joint type electric hot melting sleeve electric hot melting net mesh structure |
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