CN115042442B

CN115042442B - Steel wire mesh framework plastic pipe welding device

Info

Publication number: CN115042442B
Application number: CN202210971202.5A
Authority: CN
Inventors: 熊建华; 周小波
Original assignee: Hunan Chengtong Plastic Industry Technology Co ltd
Current assignee: Hunan Chengtong Plastic Industry Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-10-21
Anticipated expiration: 2042-08-15
Also published as: CN115042442A

Abstract

The invention relates to the field of plastic pipe welding, in particular to a steel wire mesh framework plastic pipe welding device which comprises a base, wherein a first pipe fitting and a second pipe fitting to be welded are arranged on the base, and the steel wire mesh framework plastic pipe welding device further comprises: the inserting mechanism is arranged on the base and used for inserting one end of the pipe fitting II into one end of the pipe fitting I; the resistance wire is wound inside one end of the pipe fitting during pre-embedding, and the resistance wire is connected with an interface fixed on one end face of the pipe fitting; the welding machine is arranged on the base and electrically connected with a copper joint matched with the interface; the splicing mechanism drives the storage mechanism to unfold the copper connector in the splicing process of the second pipe fitting and the first pipe fitting, the copper connector is spliced in the connector, and meanwhile, the welding machine is electrified to control the resistance wire to heat the second pipe fitting and the first pipe fitting; a cooling mechanism disposed on the base. This kind of steel mesh skeleton plastic tubing welding set, construction convenience, the time is short, and is efficient, and welding quality is high moreover, and the welding machine portable moreover.

Description

Steel wire mesh framework plastic pipe welding device

Technical Field

The invention relates to the field of plastic pipe welding, in particular to a steel wire mesh framework plastic pipe welding device.

Background

The steel wire mesh is wound inside the plastic pipe production process, so that the strength, toughness and other characteristics of the plastic pipe can be greatly improved, when two sections of steel wire mesh framework plastic pipes matched with each other are welded, the construction difficulty is high, the installation period is long, the labor cost is high, and the welding quality is not easy to control.

Disclosure of Invention

The invention aims to provide a steel wire mesh framework plastic pipe welding device to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wire net skeleton plastic tubing welding set, includes the base, and is provided with on the base and treats welded pipe fitting one and pipe fitting two, still includes:

the inserting mechanism is arranged on the base and used for inserting one end of the pipe fitting II into one end of the pipe fitting I;

when the pipe fitting is pre-buried, the resistance wire is wound in one end of the pipe fitting and is connected with a connector fixed on one end face of the pipe fitting, and an observation hole is formed in the pipe fitting I;

the welding machine is arranged on the base and electrically connected with the copper joint, and the interface is matched with the copper joint;

the plug-in mechanism drives the storage mechanism to unfold the copper joint in the plug-in process of the second pipe fitting and the first pipe fitting, the copper joint is plugged in the interface, and meanwhile, the welding machine is electrified to control the resistance wire to heat the second pipe fitting and the first pipe fitting;

and the cooling mechanism is arranged on the base and used for cooling the welded parts of the second pipe fitting and the first pipe fitting by air cooling, and the inserting mechanism is in transmission connection with the cooling mechanism.

Preferably, the inserting mechanism comprises a first U-shaped bracket used for fixing a first pipe supporting bracket, the first U-shaped bracket is fixed on the base through a first support, a hydraulic cylinder is fixed on the base, a supporting seat is fixed at the piston rod end of the hydraulic cylinder, a sliding table is connected to the supporting seat in a sliding mode, and a second U-shaped bracket used for fixing a second pipe supporting bracket is fixed to the sliding table.

Preferably, the first U-shaped bracket and the second U-shaped bracket are identical in structure, balls capable of rotating freely are embedded in the bottom surfaces of the inner sides of the first U-shaped bracket and the second U-shaped bracket, and clamping assemblies are arranged on the first U-shaped bracket and the second U-shaped bracket.

Preferably, the clamping assembly comprises a gear which is rotatably connected into the second U-shaped bracket through a fixed shaft, the gear is in transmission connection with a motor fixed on the second U-shaped bracket, two racks are inserted into two sides of the outer side wall of the second U-shaped bracket and are connected with the second U-shaped bracket in a sliding mode, the two racks are arranged in parallel and are respectively in meshed connection with the upper end and the lower end of the gear, a connecting rod is fixed on the second U-shaped bracket, two side walls of the second U-shaped bracket are symmetrically penetrated through and are connected with clamping arms in a sliding mode, the two clamping arms are respectively connected with the two connecting rods in a fixed mode, and the two ends, opposite to the clamping arms, are hinged with arc-shaped pressing plates.

Preferably, the bottom surface both ends of slip table are fixedly connected with nose bar and telescopic link respectively, and nose bar and telescopic link dead axle rotate the both ends of connecting the screw rod respectively, and the screw rod runs through and threaded connection is on the supporting seat, and the bottom surface of slip table is fixed with the motor, and the motor is connected with the screw rod transmission, and the telescopic link is connected with cooling body transmission.

Preferably, the accommodating mechanism comprises a sliding seat with a groove formed in the upper surface, a sliding rod penetrates through and is connected with the sliding seat in a sliding mode, the sliding rod is fixedly connected to a second support, the second support is fixed to the base, a key switch is fixed to the second support, the sliding seat can be in abutting contact with the key switch, and the sliding seat is connected with the second support through a first spring.

Preferably, the side wall of the groove is hinged with a sector gear, a rocker is fixed on the sector gear, one end, away from the sector gear, of the rocker is fixed with a copper joint, the side wall of the groove is penetrated and connected with a first rack in a sliding mode, the first rack is meshed with the sector gear and connected with the sector gear, a limiting block used for limiting the first rack is fixed on the bottom surface of the inner portion of the groove, one end of the first rack is connected with the sliding seat through a second spring, and the convex rod can be abutted and buckled with one end, located outside the groove, of the first rack.

Preferably, cooling body includes two arc framves that the structure is the same completely, two the arc set up of arc symmetry formula, and two the arc sets up in the both sides of pipe fitting one and pipe fitting two welding departments, and the arc passes through support three to be fixed on the base, and the intrados of arc is fixed with a plurality of air nozzles.

Preferably, a pump cylinder is fixed on the base, a piston plate is slidably connected in the pump cylinder, one side of the piston plate is perpendicular to and fixedly connected with a push-pull rod, the push-pull rod penetrates through and is slidably connected to the corresponding end wall of the pump cylinder, and one end, far away from the piston plate, of the push-pull rod is fixedly connected with the telescopic rod.

Preferably, the end wall of the pump barrel is fixedly communicated with a one-way valve I and a one-way valve II, the one-way valve II is connected with the air nozzle through an air pipe, the conduction direction of the one-way valve I points to the inside of the pump barrel, and the conduction direction of the one-way valve II points to the air nozzle.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the resistance wire is arranged in the welding position of the end part of the pipe fitting I, and the welding machine is used for automatically identifying and detecting parameters such as welding temperature, input current, voltage and the like corresponding to the resistance wire, so that the welding machine inputs the parameters into the resistance wire, the resistance wire heats the welding positions of the pipe fitting II and the pipe fitting I, materials at the welding positions of the pipe fitting II and the pipe fitting I are melted and fused and welded together, the construction is convenient, the time is short, the efficiency is high, the welding quality is high, the parameters and the time during welding can be stored, the welding quality can be conveniently traced, and the volume of the welding machine is greatly reduced compared with that of the conventional welding equipment, so that the welding machine is convenient to carry.

According to the invention, the first pipe fitting and the second pipe fitting are inserted and released through the inserting mechanism, so that the labor intensity is greatly reduced, the working efficiency is improved, the accommodating mechanism is driven to unfold the copper joint and insert the copper joint with the interface in the inserting process, and in the process of releasing and resetting the first pipe fitting and the second pipe fitting through the inserting mechanism, the accommodating mechanism automatically separates the copper joint from the interface and accommodates the copper joint, so that the power-on and power-off of a welding machine are automatically controlled in the process of inserting and releasing the first pipe fitting and the second pipe fitting, and the copper joint after welding is accommodated, so that the danger of scalding caused by mistakenly touching the high-temperature copper joint is avoided, and the operation safety is improved.

According to the invention, the cooling mechanism is driven to store air in the process of inserting the pipe fitting I and the pipe fitting II by the inserting mechanism, and the cooling mechanism is driven to blow air to the welding position for cooling in the process of loosening and resetting the pipe fitting I and the pipe fitting II by the inserting mechanism, so that the welding position is cooled rapidly, and the welding efficiency and effect are improved.

Drawings

FIG. 1 is a first schematic view of the cross-sectional structure of the final assembly of the present invention;

FIG. 2 is a second schematic cross-sectional view of the final assembly of the present invention;

FIG. 3 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic cross-sectional view of the slider according to the present invention;

fig. 6 is a schematic view of the cross-sectional structure C-C of fig. 2.

In the figure: 1. a base; 2. a first bracket; 3. a first U-shaped bracket; 4. a first pipe fitting; 5. an arc-shaped frame; 6. a second bracket; 7. a U-shaped bracket II; 8. a second pipe fitting; 9. a key switch; 10. a first spring; 11. a slide base; 12. a third bracket; 13. a slide bar; 14. a welding machine; 15. a nose bar; 16. a screw; 17. a supporting seat; 18. a hydraulic cylinder; 19. a sliding table; 20. a motor; 21. a telescopic rod; 22. a push-pull rod; 23. a piston plate; 24. a pump barrel; 25. a one-way valve I; 26. an air tube; 27. a second one-way valve; 28. an air nozzle; 29. a groove; 30. a copper joint; 31. a limiting block; 32. a rocker; 33. a sector gear; 34. a first rack; 35. a second spring; 36. an interface; 37. a resistance wire; 38. a gear; 39. a second rack; 40. pressing a plate; 41. a connecting rod; 42. clamping arms; 43. and (6) observing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a worker skilled in the art based on the embodiments of the present invention without making creative efforts, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution:

example 1

The utility model provides a wire net skeleton plastic tubing welding set, as shown in fig. 1, fig. 2 and fig. 4, includes base 1, and is provided with on base 1 to treat welded pipe fitting 4 and pipe fitting two 8, still includes:

the inserting mechanism is arranged on the base 1 and used for inserting one end of the pipe fitting II 8 into one end of the pipe fitting I4;

the resistance wire 37 is wound inside the end of the first pipe fitting 4 during pre-embedding, the resistance wire 37 is connected with the connector 36 fixed on the end face of the first pipe fitting 4, and the first pipe fitting 4 is provided with an observation hole 43;

the welding machine 14 is arranged on the base 1, the welding machine 14 is electrically connected with the copper connector 30, the interface 36 is matched with the copper connector 30, the copper connector 30 is inserted into the interface 36, and meanwhile the welding machine 14 is electrified to control the resistance wire 37 to heat the second pipe fitting 8 and the first pipe fitting 4.

As described above, the resistance wire 37 is built in the welding position of the end of the first pipe fitting 4, and the parameters such as voltage, current, heating time and the like of the resistance wire 37 are adaptively set according to the specification and model of the welded pipe fitting, and the welding machine 14 adopts the welding equipment special for the intelligent electric melting pipe fitting, which is autonomously developed by metrotai cloud electronic technology limited, after one end of the second pipe fitting 8 is plugged in one end of the first pipe fitting 4 through the plugging mechanism, and after the copper joint 30 is connected with the interface 36, the high-performance microcomputer core control system built in the welding machine 14 automatically identifies and detects the welding temperature, input current, voltage and the like corresponding to the resistance wire 37, so that the resistance wire 37 heats the welding position of the second pipe fitting 8 and the first pipe fitting 4 through the welding machine 14, thereby the materials at the welding position of the second pipe fitting 8 and the first pipe fitting 4 are melted and welded together, when the melted materials emerge from the observation hole 43, the welding is completed, at this time, the work of the welding machine 14 is stopped, the time is short, the welding quality is high, the welding parameters can be stored, the welding time is convenient for construction, and the welding equipment is greatly reduced compared with the welding equipment, and the volume is greatly convenient for tracing the construction.

Example 2

The embodiment is realized on the basis of embodiment 1, wherein as shown in fig. 1, fig. 2 and fig. 3, the plugging mechanism includes a first U-shaped bracket 3 for supporting and fixing a first pipe fitting 4, the first U-shaped bracket 3 is fixed on the base 1 through a first support 2, a hydraulic cylinder 18 is fixed on the base 1, a support 17 is fixed at a piston rod end of the hydraulic cylinder 18, a sliding table 19 is connected on the support 17 in a sliding manner, a second U-shaped bracket 7 for supporting and fixing a second pipe fitting 8 is fixed on the sliding table 19, the first U-shaped bracket 3 and the second U-shaped bracket 7 have the same structure, the inner bottom surfaces of the first U-shaped bracket 3 and the second U-shaped bracket 7 are inlaid with freely rotatable balls, clamping assemblies are respectively arranged on the first U-shaped bracket 3 and the second U-shaped bracket 7, two ends of the bottom surface of the sliding table 19 are respectively and fixedly connected with a convex rod 15 and an expansion link 21, the convex rod 15 and the expansion link 21 are respectively and rotatably connected with two ends of a fixed shaft of a screw 16, the screw 16 penetrates and is connected with the screw 17 in a threaded manner, a motor 20 is fixed on the first U-shaped bracket 3 and the expansion link 21 is connected with a cooling mechanism.

Taking the clamping component on the second U-shaped bracket 7 as an example, the clamping component comprises a gear 38 rotationally connected in the second U-shaped bracket 7 through a fixed shaft, the gear 38 is in transmission connection with a motor fixed on the second U-shaped bracket 7, the motor is not shown in the application, two racks 39 are respectively inserted and connected with two sides of the outer side wall of the second U-shaped bracket 7 in a sliding manner, the two racks 39 are arranged in parallel and are respectively in meshing connection with the upper end and the lower end of the gear 38, connecting rods 41 are respectively fixed on the two racks 39, clamping arms 42 are symmetrically penetrated and connected with two side walls of the second U-shaped bracket 7 in a sliding manner, the two clamping arms 42 are respectively fixedly connected with the two connecting rods 41, and the opposite end parts of the two clamping arms 42 are respectively hinged with a circular arc-shaped pressing plate 40.

As mentioned above, the first pipe fitting 4 is placed in the first U-shaped bracket 3, the second pipe fitting 8 is placed in the second U-shaped bracket 7, wherein the balls which are embedded on the inner bottom surfaces of the first U-shaped bracket 3 and the second U-shaped bracket 7 and can freely rotate are convenient for adjusting the positions of the first pipe fitting 4 and the second pipe fitting 8, so as to improve the convenience of operation, and after the welding is finished, the second U-shaped bracket 7 is withdrawn, so as to reduce the abrasion on the outer wall of the second pipe fitting 8 and protect the second pipe fitting 8, after the first pipe fitting 4 and the second pipe fitting 8 are placed, the motor is started to drive the gear 38 to rotate, so that the gear 38 drives the two second rack bars 39 to approach each other, so that the two second rack bars 39 synchronously drive the two connecting rods 41 to approach each other, so that the two connecting rods 41 drive the pressing plates 40 to approach the pipe fittings in the second U-shaped bracket through the corresponding clamping arms 42, so that the two pressing plates 40 synchronously press and fix the corresponding pipe fittings, after the clamping components of the U-shaped bracket I3 and the U-shaped bracket II 7 are used for fixing the pipe fitting I4 and the pipe fitting II 8, the hydraulic cylinder 18 is started to work, the hydraulic cylinder 18 drives the sliding table 19 to move up and down through the supporting seat 17, the sliding table 19 drives the pipe fitting II 8 to move up and down through the U-shaped bracket II 7 so as to share the central axis with the pipe fitting I4, the accuracy in plugging is improved, the operation difficulty and the labor intensity are reduced, the motor 20 is started to work after the pipe fitting II 8 and the pipe fitting I4 are aligned, the motor 20 drives the screw 16 to rotate, the screw 16 drives the sliding table 19 to approach the U-shaped bracket I3 through thread transmission, and the U-shaped bracket II 7 drives the pipe fitting II 8 to approach the pipe fitting I4, and peg graft with pipe fitting one 4, after pipe fitting one 4 and pipe fitting two 8 weld, the starter motor drives gear 38 antiport, thus make gear 38 drive two racks two 39 and keep away from each other, and then make two rack two 39 drive two connecting rods 41 and keep away from each other synchronously, make two connecting rods 41 drive the clamp plate 40 through corresponding arm lock 42 and keep away from the pipe fitting in the U-shaped bracket, so that make two clamp plates 40 loosen the corresponding pipe fitting synchronously, then start the driving screw 16 antiport, make the screw 16 drive the slip table 19 through the screw transmission and keep away from U-shaped bracket one 3 and reset, thus accomplish the grafting and loosening to pipe fitting one 4 and pipe fitting two 8, then will weld pipe fitting one 4 and pipe fitting two 8 after from U-shaped bracket one 3, U-shaped bracket two 7 take off can, greatly reduced intensity of labour, improve work efficiency.

In this embodiment, as shown in fig. 1, fig. 2, fig. 4, and fig. 5, the receiving mechanism for receiving the copper connector 30 is included, and the inserting mechanism drives the receiving mechanism to unfold the copper connector 30 in the process of inserting the second pipe 8 and the first pipe 4, and the copper connector 30 is inserted into the interface 36, while the welding machine 14 is powered on to control the resistance wire 37 to heat the second pipe 8 and the first pipe 4, the receiving mechanism includes a sliding seat 11 having a groove 29 on an upper surface, a sliding rod 13 penetrates and is slidably connected to the sliding seat 11, the sliding rod 13 is fixedly connected to a second bracket 6, the second bracket 6 is fixed to the base 1, a key switch 9 is fixed to the second bracket 6, the sliding seat 11 can be in abutting contact with the key switch 9, the sliding seat 11 is connected to the second bracket 6 through a first spring 10, a sector gear 33 is hinged to a side wall of the groove 29, a rocker 32 is fixed to the sector gear 33, the end of the rocker 32, which is far away from the sector gear 33 is fixed with the copper connector 30, a side wall of the groove 29 penetrates and is connected to a rack 34, the bottom of the sliding seat is connected to a stop block 35, and the end of the second bracket 11 is connected to a stop block 35.

As mentioned above, the sliding table 19 drives the nose bar 15 to move synchronously when approaching the U-shaped bracket one 3, and when the nose bar 15 contacts the rack one 34 in a buckling manner, the rack one 34 moves into the groove 29 and compresses the spring two 35, so that the spring two 35 obtains a restoring force, and at the same time, the rack one 34 drives the rocker 32 to rotate clockwise in fig. 5 through the sector gear 33, so that the rocker 32 drives the copper joint 30 to unfold from the groove 29, and when the rack one 34 contacts the stopper 31 in a buckling manner, the rocker 32 stands up, and the rack one 34 drives the sliding seat 11 to slide on the sliding rod 13 through the stopper 31 and compresses the spring one 10, so that the spring one 10 obtains a restoring force, and when the copper joint 30 is correspondingly connected with the interface 36, the sliding seat 11 contacts the push switch 9 in a buckling manner, at this time, the motor 20 stops working, the welding machine 14 is powered on, so that the welding machine 14 powers on the resistance wire 37 through the copper joint 30 and the interface 36, so as to weld the first pipe fitting 4 and the second pipe fitting 8, after welding, the sliding table 19 resets and simultaneously drives the convex rod 15 to reset, thereby separating and resetting the sliding seat 11 and the key switch 9 under the action of restoring force of the first spring 10, so that the key switch 9 is in an open circuit state, the welding machine 14 is powered off and does not work, namely, the resistance wire 37 is stopped to be powered on and heated, and the first rack 34 is moved out of the groove 29 under the action of restoring force of the second spring 35, so that the first rack 34 drives the rocker 32 to rotate anticlockwise in fig. 5 through the sector gear 33, so that the rocker 32 drives the copper joint 30 to be accommodated in the groove 29, thereby realizing automatic control of the power on and power off of the welding machine 14 in the process of inserting and loosening the first pipe fitting 4 and the second pipe fitting 8, and accommodating the copper joint 30 after welding is completed, so that the risk of scalding due to high-temperature collision of the copper joint 30 occurs, the operation safety is improved.

In this embodiment, as shown in fig. 1, 2, and 6, the cooling device includes a cooling mechanism disposed on the base 1, the cooling mechanism is configured to cool the welded portion of the second pipe fitting 8 and the first pipe fitting 4 by air cooling, the inserting mechanism is in transmission connection with the cooling mechanism, the cooling mechanism includes two arc frames 5 having the same structure, the two arc frames 5 are disposed symmetrically, the two arc frames 5 are disposed on two sides of the welded portion of the first pipe fitting 4 and the second pipe fitting 8, the arc frames 5 are fixed on the base 1 through a third bracket 12, a plurality of air nozzles 28 are fixed on the inner arc surface of the arc frames 5, a pump cylinder 24 is fixed on the base 1, a piston plate 23 is slidably connected in the pump cylinder 24, one side of the piston plate 23 is perpendicular and fixedly connected to a push-pull rod 22, the push-pull rod 22 penetrates and is slidably connected to the end wall corresponding to the pump cylinder 24, one end of the push-pull rod 22, which is far away from the piston plate 23, is fixedly connected to the telescopic rod 21, a first check valve 25 and a second check valve 27 are fixed and communicated to the end wall of the air nozzle 27 through an air pipe 26, the check valve 25 is connected to the inner direction of the air nozzle 28.

As described above, the sliding table 19 is close to the U-shaped bracket one 3, and simultaneously, a pulling force is applied to the push-pull rod 22 through the telescopic rod 21, so that the push-pull rod 22 drives the piston plate 23 to move left in the pump cylinder 24, so that a suction force is generated in the pump cylinder 24, since the conduction direction of the one-way valve one 25 is directed to the inside of the pump cylinder 24, and the conduction direction of the one-way valve two 27 is directed to the air nozzle 28, so that the suction force sucks external air into the pump cylinder 24, and in the process of resetting the sliding table 19, a pushing force is applied to the push-pull rod 22 through the telescopic rod 21, so that the push-pull rod 22 drives the piston plate 23 to move right in the pump cylinder 24, so that a compression force is generated in the pump cylinder 24, and further, the air in the pump cylinder 24 is conveyed into the air nozzle 28 through the air pipe 26, and is sprayed to the joint of the welded pipe fitting one 4 and the pipe fitting two 8 by the air nozzle 28, so that air cooling is realized at the welding position after the welding of the pipe fitting one 4 and the pipe fitting two 8 is completed, so that the cooling position is rapidly cooled, and the welding efficiency and the effect are improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Claims

1. The utility model provides a wire net skeleton plastic tubing welding set, includes base (1), and is provided with on base (1) to treat welded pipe fitting (4) and pipe fitting two (8), its characterized in that: further comprising:

the inserting mechanism is arranged on the base (1) and is used for inserting one end of the pipe fitting II (8) into one end of the pipe fitting I (4);

when the pipe fitting is embedded, the resistance wire (37) is wound inside the end head of the pipe fitting I (4), the resistance wire (37) is connected and fixed to the interface (36) on the end face of the pipe fitting I (4), and the pipe fitting I (4) is provided with an observation hole (43);

the welding machine (14) is arranged on the base (1), the welding machine (14) is electrically connected with the copper joint (30), and the interface (36) is matched with the copper joint (30);

the receiving mechanism is used for receiving the copper connector (30), the inserting mechanism drives the receiving mechanism to unfold the copper connector (30) in the inserting process of the pipe fitting II (8) and the pipe fitting I (4), the copper connector (30) is inserted into the interface (36), and meanwhile the welding machine (14) is electrified to control the resistance wire (37) to heat the pipe fitting II (8) and the pipe fitting I (4);

the cooling mechanism is arranged on the base (1), the cooling mechanism is used for cooling the welded positions of the pipe fitting II (8) and the pipe fitting I (4) in an air cooling mode, and the inserting mechanism is in transmission connection with the cooling mechanism.

2. The steel wire mesh skeleton plastic pipe welding device according to claim 1, wherein: grafting mechanism is including being used for strutting fixed U-shaped bracket one (3) to pipe fitting (4), U-shaped bracket one (3) are fixed on base (1) through support one (2), be fixed with pneumatic cylinder (18) on base (1), and the piston rod end of pneumatic cylinder (18) is fixed with supporting seat (17), sliding connection has slip table (19) on supporting seat (17), and is fixed with on slip table (19) and be used for strutting fixed U-shaped bracket two (7) to pipe fitting two (8).

3. A steel wire mesh skeleton plastic pipe welding device according to claim 2, characterized in that: the structure of the first U-shaped bracket (3) is completely the same as that of the second U-shaped bracket (7), balls capable of rotating freely are inlaid on the inner bottom surfaces of the first U-shaped bracket (3) and the second U-shaped bracket (7), and clamping assemblies are arranged on the first U-shaped bracket (3) and the second U-shaped bracket (7).

4. A steel wire mesh skeleton plastic pipe welding device according to claim 3, characterized in that: the centre gripping subassembly includes gear (38) that the dead axle rotates to be connected in U-shaped bracket two (7), and gear (38) with fix the motor drive connection on U-shaped bracket two (7), all peg graft and sliding connection have rack two (39) in the lateral wall both sides of U-shaped bracket two (7), two rack two (39) parallel arrangement and respectively with the upper and lower both ends meshing of gear (38) be connected, two all be fixed with connecting rod (41) on rack two (39), two lateral wall symmetry formulas of U-shaped bracket two (7) run through and sliding connection have arm lock (42), two arm lock (42) respectively with two connecting rod (41) fixed connection, two the tip that arm lock (42) is relative all articulates there is convex clamp plate (40).

5. A steel wire mesh skeleton plastic pipe welding device according to claim 2, characterized in that: the bottom surface both ends of slip table (19) are fixedly connected with nose bar (15) and telescopic link (21) respectively, nose bar (15) and telescopic link (21) dead axle rotate the both ends of connecting screw rod (16) respectively, screw rod (16) run through and threaded connection is on supporting seat (17), the bottom surface of slip table (19) is fixed with motor (20), and motor (20) are connected with screw rod (16) transmission, telescopic link (21) are connected with the cooling body transmission.

6. A steel wire mesh skeleton plastic pipe welding device as claimed in claim 5, wherein: the storage mechanism comprises a sliding seat (11) with a groove (29) formed in the upper surface, a sliding rod (13) penetrates through and is connected with the sliding seat (11) in a sliding mode, the sliding rod (13) is fixedly connected onto a second support (6), the second support (6) is fixed onto a base (1), a key switch (9) is fixed onto the second support (6), the sliding seat (11) can be in abutting-buckling contact with the key switch (9), and the sliding seat (11) is connected with the second support (6) through a first spring (10).

7. A steel wire mesh skeleton plastic pipe welding device according to claim 6, characterized in that: the side wall of the groove (29) is hinged with a sector gear (33), a rocker (32) is fixed on the sector gear (33), one end, far away from the sector gear (33), of the rocker (32) is fixed with a copper joint (30), the side wall of the groove (29) is connected with a first rack (34) in a penetrating and sliding mode, the first rack (34) is meshed with the sector gear (33) and connected with the sector gear (33), a limiting block (31) used for limiting the first rack (34) is fixed on the bottom surface of the inner portion of the groove (29), one end of the first rack (34) is connected with the sliding seat (11) through a second spring (35), and the convex rod (15) can be in abutting and buckling contact with one end, located outside the groove (29), of the first rack (34).

8. A steel wire mesh skeleton plastic pipe welding device as claimed in claim 7, wherein: cooling body includes two arc framves (5) that the structure is identical, two arc frame (5) symmetry formula sets up, and two arc frame (5) set up the both sides at pipe fitting (4) and pipe fitting two (8) welding department, arc frame (5) are fixed on base (1) through support three (12), the intrados of arc frame (5) is fixed with a plurality of air nozzles (28).

9. The steel wire mesh skeleton plastic pipe welding device according to claim 8, wherein: the pump cylinder (24) is fixed on the base (1), the piston plate (23) is connected in the pump cylinder (24) in a sliding mode, one side of the piston plate (23) is perpendicular and is fixedly connected with the push-pull rod (22), the push-pull rod (22) penetrates through and is connected to the end wall corresponding to the pump cylinder (24) in a sliding mode, and one end, far away from the piston plate (23), of the push-pull rod (22) is fixedly connected with the telescopic rod (21).

10. A steel wire mesh skeleton plastic pipe welding device according to claim 9, wherein: the end wall of the pump barrel (24) is fixed with and communicated with a one-way valve I (25) and a one-way valve II (27), the one-way valve II (27) is connected with an air nozzle (28) through an air pipe (26), the conduction direction of the one-way valve I (25) points to the inside of the pump barrel (24), and the conduction direction of the one-way valve II (27) points to the air nozzle (28).