CN104002476A - Auxiliary device for plastic pipe welding and using method thereof - Google Patents
Auxiliary device for plastic pipe welding and using method thereof Download PDFInfo
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- CN104002476A CN104002476A CN201410199420.7A CN201410199420A CN104002476A CN 104002476 A CN104002476 A CN 104002476A CN 201410199420 A CN201410199420 A CN 201410199420A CN 104002476 A CN104002476 A CN 104002476A
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- plastic tube
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Abstract
The invention discloses an auxiliary device for plastic pipe welding and a using method thereof, belongs to the technical field of welding device, and is used for solving the problem that a conventional welding method cannot control the plastic pipe welding quality. The auxiliary device for the plastic pipe welding comprises a fixed pipe clamp assembly and a mobile pipe clamp assembly which are connected through a guide rod; a first plastic pipe and a second plastic pipe are respectively connected with the fixed pipe clamp assembly and the mobile pipe clamp assembly, and the mobile clamp assembly can drive the second plastic pipe to slide along the guide rod under the action of a hydraulic driving device connected with the mobile clamp assembly. The using method of the device comprises the following steps: firstly, providing the auxiliary device, clamping tightly the first plastic pipe and the second plastic pipe, then externally adding a heating board, heating for a preset time, followed by in a preset switching time, allowing a welding interface of the two plastic pipes to be pressed tightly, and finally cooling for a preset time. The device effectively controls the plastic pipe welding quality through controlling the tightly-pressing pressure value and the pressure uniformity during butt-jointing welding of pipe ports of the plastic pipes, and the using method is easy and simple to operate.
Description
Technical field
The invention belongs to welder technical field, relate in particular to a kind of servicing unit and using method thereof of plastic tube welding.
Background technology
At present, the welding between the plastic tube mouth of pipe, the method that mostly adopts plastic pipe hot-melt to dock, is heated to the weld interface of two plastic tubes after viscous state with heating plate, removes heating plate; Again manually give two plastic tubes apply pressure in opposite directions, and under this pressure state cooling curing, form firmly connect.In the plastic tube that conventionally also this welding can be completed, pass into pressure (hydraulic) water and detect the welding quality of pipe.The key of plastic tube butt welding process is the adjusting of temperature in docking operation, time, three parameters of pressure, only have the factors such as the performance of weld interface material, stress state, geometric shape and environmental condition are considered together, could realize reliable melting welding.But, adopt and manually exert pressure to weld interface, uncontrollable firmly size, and can cause firmly inhomogeneous.So not only can not ensure the welding quality of the plastics mouth of pipe, and in the time passing into pressure (hydraulic) water and carry out plastic tube Welding quality test, once occur revealing, need to again plastic tube be welded, not only can affect the duration, and reprocess also quite difficulty.Therefore, need badly and provide a kind of servicing unit of plastic tube welding to control the welding quality of plastic tube.
Summary of the invention
The object of the present invention is to provide a kind of servicing unit and using method thereof of plastic conduit welding, can not control the problem of plastic tube welding quality to solve existing welding method.
To achieve these goals, technical scheme of the present invention is:
A kind of servicing unit of plastic tube welding, for plastic tube to be welded one and plastic tube two are coaxial docking, comprise: the fixing pipe clamp component connecting by guide rod and mobile pipe clamp component, described mobile pipe clamp component is connected with a fluid pressure drive device, one end of described plastic tube one is fixed on described fixing pipe clamp component, one end of described plastic tube two is fixed on described mobile pipe clamp component, and described mobile pipe clamp component can drive described plastic tube two to slide along described guide rod under the effect of described fluid pressure drive device.
Further, described fixing pipe clamp component comprises base, is fixed at least one pipe clamp one on described base, and be arranged at described pipe clamp one both sides and the guide rod parallel with its axis, one end of described guide rod is fixedly connected on described pipe clamp one, and the other end of described guide rod is fixed on the lug of described base.
Further, described mobile pipe clamp component comprises that two, two described pipe clamps two of two pipe clamps are individually fixed in the two ends of the hydraulic cylinder of described fluid pressure drive device.
Further, described fluid pressure drive device comprises that at least one is sheathed on the hydraulic cylinder on described guide rod, described hydraulic cylinder is connected with oil pump by two petroleum pipelines, it also comprises the pressure sensor being arranged on described mobile pipe clamp component, and the controller being electrically connected with described pressure sensor, described controller is electrically connected with described oil pump.
Further, described hydraulic cylinder comprises cylinder sleeve and is positioned at the plunger of described cylinder sleeve, described plunger is fixed on described guide rod, described plunger is divided into airtight high pressure oil-feed chamber and low pressure by the inner chamber of described cylinder sleeve and goes out oil-in chamber, and described high pressure oil-feed chamber and low pressure go out oil-in chamber and is communicated with described oil pump by described petroleum pipeline respectively.
Further, described controller comprises AD converter and the single-chip microcomputer of electrical connection successively.
A using method for the servicing unit of plastic tube welding, comprises the steps:
Step 1: the servicing unit that the plastic tube welding as described in claim 1 to 6 any one is provided, described fixing pipe clamp component is fixed described plastic tube one, described mobile pipe clamp component clamps described plastic tube two, and makes described plastic tube two and described plastic tube one keep certain gap;
Step 2: in the gap described in step 1, insert a heating plate for energising not, and two sides that make described heating plate respectively with described plastic tube one and two laminatings of described plastic tube;
Step 3: the described heating plate energising heating scheduled time;
Step 4: detach described heating plate, within predetermined switching time, start described fluid pressure drive device, by regulating the pressure size in described controller, described plastic tube two is pushed away near and the weld interface of the two is fitted tightly to the direction of plastic tube one, then, the cooling scheduled time, until complete welding.
Further, the fuel injection pressure signal in described hydraulic cylinder is changed into analog signal by described pressure sensor, then change into data signal through AD converter, finally carries out data processing by single-chip microcomputer.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1, the servicing unit of plastic tube welding of the present invention, by being set, fluid pressure drive device replaces the pressure manually applying in opposite directions, not only can control the size that the plastic tube mouth of pipe docks compaction pressure while welding, and can ensure the uniformity of pressure, thereby effectively control the welding quality of plastic tube.In addition, by the butt-welded compaction pressure size of two plastic tubes of Based Intelligent Control, ensure the uniformity of pressure, rationally control temperature, time and three parameters of pressure in welding process, can also effectively improve the welding efficiency of plastic tube.
2, the using method of the servicing unit of plastic tube welding of the present invention, easy and simple to handle, only need be according to the technological parameter of welding, and in the time of welding, outside provides the heating plate heating scheduled time, by plastic tube weld interface melting to be welded; Within switching time, carry out controlled pressure size by adjustment control in addition, two plastic tube weld interfaces to be welded are fitted tightly, the then cooling scheduled time.By this using method, compared with traditional welding, welding first-time qualification rate reaches 99.5%, and compared with traditional welding qualification rate 95%, this using method has improved approximately 5%; And welding efficiency has improved 20%.
Brief description of the drawings
Servicing unit and the using method thereof of plastic tube welding of the present invention are provided by following embodiment and accompanying drawing.
Fig. 1 is the structural representation of the servicing unit of one embodiment of the invention plastic tube welding;
Fig. 2 is the structural representation of fluid pressure drive device in the servicing unit of one embodiment of the invention plastic tube welding.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, servicing unit and the using method thereof of plastic tube welding of the present invention are described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of the aid illustration embodiment of the present invention lucidly.For sake of convenience, hereinafter described " left side ", " right side " is consistent with the left and right direction of accompanying drawing, but this can not become the restriction of technical solution of the present invention.
As shown in Figure 1, a kind of servicing unit of plastic tube welding, for plastic tube to be welded 1 and plastic tube 22 are coaxial docking, comprise: the fixing pipe clamp component 40 connecting by guide rod 3 and mobile pipe clamp component 50, mobile pipe clamp component 50 is connected with a fluid pressure drive device 60, one end of plastic tube 1 is fixed on fixing pipe clamp component 40, one end of plastic tube 22 is fixed on mobile pipe clamp component 50, and mobile pipe clamp component 50 can drive plastic tube 22 to slide along guide rod 3 under the effect of fluid pressure drive device 60.
Specifically, plastic tube 1 is fixed on fixing pipe clamp component 40, and keeps relative static with fixing pipe clamp component 40; Plastic tube 22 is fixed on mobile pipe clamp component 50, and plastic tube 22 can slide along with mobile pipe clamp component 50 on guide rod 3.First by plastic tube to be welded 1 and plastic tube 22 horizontal positioned, and each self-retaining, and make to keep nearer distance between plastic tube 1 and plastic tube 22 mouths of pipe, to facilitate normally carrying out of follow-up welding sequence.
Fixing pipe clamp component 40 comprises base 41, is fixed at least one pipe clamp 1 on base 41, and be arranged at pipe clamp one 42 both sides and the guide rod 3 parallel with its axis, one end of guide rod 3 is fixedly connected on pipe clamp 1, and the other end of guide rod 3 is fixed on the lug 44 of base 41.Certainly,, for the displacement that prevents that plastic tube 1 from producing axis direction, can also along axis, a pipe clamp 1 be set in addition, and be fixedly connected with by connector 45 between pipe clamp one (42,43).
Fixing pipe clamp component 40, by fixing plastic tube 1, makes plastic tube 1 and guide rod 3 keep relative static, in the time of plastic tube 1 and plastic tube 22 docking, only needs mobile plastic tube 22 to make it near plastic tube 1.Now, guide rod 3 can be used as the track that plastic tube 22 slides to plastic tube 1.
Especially, mobile pipe clamp component 50 comprises two pipe clamps two (51,52), and two pipe clamps two (51,52) are individually fixed in the two ends of the hydraulic cylinder of fluid pressure drive device 60.
In the time of primer fluid hydraulic driver 60, two pipe clamps two (51,52) can slide along guide rod 3 under the effect of fluid pressure drive device 60, thereby drive the plastic tube 22 being fixedly connected with pipe clamp two (51,52) to slide along axis direction, according to actual welding technological requirement, away from or near plastic tube 1.
Specifically, fluid pressure drive device 60 comprises that at least one is sheathed on the hydraulic cylinder on guide rod 3, and hydraulic cylinder is connected with oil pump by two petroleum pipelines, and it also comprises the pressure sensor (not shown) being arranged on mobile pipe clamp component 50.Certainly, two hydraulic cylinders that also can be arranged in parallel in the both sides of plastic tube 22 axis, to make the stressed balance more of plastic tube 22.
When needs along axis direction move plastic tube 22 and make it with plastic tube 1 near time, open fluid pressure drive device 60, according to the requirement of welding procedure, pressure size is set, thereby under the effect of pressure sensor, pass through the oil-feed of controller control oil pump, thereby ensure that the spacing of plastic tube 22 and plastic tube one 1 mouths of pipe meets welding condition.Controller comprises AD converter and the single-chip microcomputer (not shown) of electrical connection successively.
Specifically, as shown in Figure 2, the hydraulic cylinder of fluid pressure drive device 60 comprises cylinder sleeve 61 and is positioned at the plunger 62 of cylinder sleeve 61, plunger 62 is fixed on guide rod 3, plunger 62 is divided into airtight high pressure oil-feed chamber 63 and low pressure by the inner chamber of cylinder sleeve 61 and goes out oil-in chamber 64, and high pressure oil-feed chamber 63 and low pressure go out oil-in chamber 64 and is communicated with oil pump by petroleum pipeline respectively.Certainly, because each chamber is connected with the oily petroleum pipeline of turnover, it is recycled entering high pressure oil-feed chamber 63 and going out from low pressure the oil that oil-in chamber 64 flows out, in the time that needs cylinder sleeve 61 moves to the left along axis, now, it is high pressure oil-feed chamber 63 that the chamber in left side injects oil, and the fuel-displaced chamber on right side is low pressure and goes out oil-in chamber 64.On the contrary, in the time that needs cylinder sleeve 61 moves to the right along axis, now, it is high pressure oil-feed chamber 63 that the chamber on right side injects oil, and the fuel-displaced chamber in left side is low pressure and goes out oil-in chamber 64.After 63 oil-feeds of high pressure oil-feed chamber, in this chamber, oil pressure increases, and in order to make this chamber keep force balance, cylinder sleeve 61 will move to the direction that goes out oil-in chamber 64 away from low pressure.Like this, plastic tube 22 will slide along guide rod 3 along with mobile pipe clamp component 50 under the drive of cylinder sleeve 61.
Continue with reference to figure 1 and Fig. 2, a kind of using method of servicing unit of plastic tube welding, comprises the steps:
Step 1: the plastic tube 1, the plastic tube 22 that plastic tube auxiliary welding equipment are provided and have cut, fixing pipe clamp component 40 fixed plastics pipes 1, mobile pipe clamp component 50 clamps plastic tube 22, and makes plastic tube 22 and plastic tube 1 keep certain gap.
Now, impurity and the oxide layer of cutting plastic pipe 1 and plastic tube 22 weld interfaces, ensure that the weld interface that both dock is smooth bright and clean.And both dock the misalignment of weld interface should be the smaller the better, if misalignment is large, can cause stress to be concentrated, this misalignment should not exceed plastic tube wall thick 10%.In addition, make the spacing size between plastic tube 1 and plastic tube 22 mouths of pipe remain on suitable scope, to facilitate follow-up butt welding process, the thickness that is slightly wider than the follow-up heating plate of using is good.
Step 2: insert a heating plate of not switching in the gap described in step 1, and fitted with described plastic tube 1 and described plastic tube 22 respectively in two sides of described heating plate.
Owing to adopting the method for heat-melting butt-joint welding, before welding, need the mouth of pipe weld interface heating of plastic tube to be welded 1 and plastic tube 22.Now, ensure enough melting charges, during in order to butt-fusion, molecule spreads mutually.Provide heating plate by outside, make weld interface melting, to meet butt-welded technological requirement.
Step 3: the described heating plate energising heating scheduled time.
According to plastic tube welding procedure, the external diameter difference of plastic tube, the thickness of pipe wall difference of plastic tube, needed heat time and cool time are also different.The relation of the external diameter of plastic tube, the thickness of pipe wall of plastic tube and heat time, cool time is as shown in Table 1:
Table one:
| Pipe external diameter (mm) | Thickness of pipe wall (mm) | Heat time (s) | Switching time (s) | Cool time (s) |
| 16 | 2.0 | 5 | 4 | 5 |
| 20 | 2.5 | 5 | 4 | 5 |
| 25 | 2.7 | 7 | 4 | 7 |
| 32 | 3.0 | 8 | 4 | 8 |
| 40 | 3.7 | 12 | 4 | 12 |
| 50 | 4.6 | 18 | 5 | 18 |
| 63 | 5.1 | 24 | 5 | 24 |
| 75 | 6.3 | 30 | 5 | 30 |
| 90 | 7.0 | 40 | 6 | 40 |
| 110 | 11.4 | 50 | 6 | 50 |
Step 4: detach heating plate, within predetermined switching time, primer fluid hydraulic driver 60, by the pressure size in adjustment control, plastic tube 22 is pushed away near and the weld interface of the two is fitted tightly to the direction of plastic tube 1, then, the cooling scheduled time, until complete welding.The relation of cool time and pipe external diameter, thickness of pipe wall is as table one.
Finishing to start to butt-fusion from heating is switching time during this period of time, and for ensureing butt-fusion quality, switching time is more short better.Concrete switching time reference table one.Especially, plastic material poor thermal conductivity, cooling velocity is corresponding slowly, and the contraction of weld material, the formation speed of structure are also slower, and therefore, the cooling of weld seam must carry out under certain pressure.
Further, the fuel injection pressure signal in hydraulic cylinder is changed into analog signal by pressure sensor, then change into data signal through AD converter, finally carries out data processing by single-chip microcomputer.Controller is taking single-chip microcomputer as main control pressurer system, is graded and is formed by keyboard, AD converter, digital demonstration and control part.The course of work is as follows: when the petroleum pipeline of hydraulic cylinder passes through oil pump oil-feed, the oil pressure in hydraulic cylinder changes, and pressure sensor, receiving after fuel injection pressure signal, changes into voltage signal variable quantity; This signal becomes standard voltage signal after operational amplification circuit amplifies, through AD converter, analog signal is become to data signal again, carry out real-time data acquisition by single-chip microcomputer, and process, require to control output according to setting, simultaneously the digital pressure size that shows.By keyboard, pressure size is set, oil inlet quantity that can control oil pump, thereby control the displacement of plastic tube 22, further control the size of plastic tube 1 and plastic tube 22 weld interface compaction pressure, can also ensure the uniformity of pressure, thereby ensure the welding quality of plastic tube 1 and plastic tube 22.
In sum, the servicing unit of plastic tube welding of the present invention, by being set, fluid pressure drive device replaces the pressure manually applying in opposite directions, the size of compaction pressure not only can control the plastic tube mouth of pipe docking welding time, and can ensure the uniformity of pressure, thereby effectively control the welding quality of plastic tube.In addition, by the butt-welded compaction pressure size of two plastic tubes of Based Intelligent Control, ensure the uniformity of pressure, rationally control temperature, time and three parameters of pressure in welding process, can also effectively improve the welding efficiency of plastic tube.The using method of the servicing unit of plastic tube welding of the present invention, only need be according to the technological parameter of welding, and in the time of welding, outside provides the heating plate heating scheduled time, by plastic tube weld interface melting to be welded; Within switching time, carry out controlled pressure size by adjustment control in addition, two plastic tube weld interfaces to be welded are fitted tightly, the then cooling scheduled time.By this using method, compared with traditional welding, welding first-time qualification rate reaches 99.5%, and compared with traditional welding qualification rate 95%, this using method has improved approximately 5%; And welding efficiency has improved 20%.
Foregoing description is only the description to preferred embodiment of the present invention, not any restriction to the scope of the invention.Any change, modification that those skilled in the art does according to above-mentioned disclosure, all belong to the protection domain of claim.
Claims (8)
1. the servicing unit of a plastic tube welding, for plastic tube to be welded one and plastic tube two are coaxial docking, it is characterized in that, comprise: the fixing pipe clamp component connecting by guide rod and mobile pipe clamp component, described mobile pipe clamp component is connected with a fluid pressure drive device, one end of described plastic tube one is fixed on described fixing pipe clamp component, one end of described plastic tube two is fixed on described mobile pipe clamp component, and described mobile pipe clamp component can drive described plastic tube two to slide along described guide rod under the effect of described fluid pressure drive device.
2. the servicing unit of plastic tube welding according to claim 1, it is characterized in that, described fixing pipe clamp component comprises base, is fixed at least one pipe clamp one on described base, and be arranged at described pipe clamp one both sides and the guide rod parallel with its axis, one end of described guide rod is fixedly connected on described pipe clamp one, and the other end of described guide rod is fixed on the lug of described base.
3. the servicing unit of plastic tube welding according to claim 1, is characterized in that, described mobile pipe clamp component comprises that two, two described pipe clamps two of two pipe clamps are individually fixed in the two ends of the hydraulic cylinder of described fluid pressure drive device.
4. according to the servicing unit of the plastic tube welding described in claims 1 to 3 any one, it is characterized in that, described fluid pressure drive device comprises that at least one is sheathed on the hydraulic cylinder on described guide rod, described hydraulic cylinder is connected with oil pump by two petroleum pipelines, it also comprises the pressure sensor being arranged on described mobile pipe clamp component, and the controller being electrically connected with described pressure sensor, described controller is electrically connected with described oil pump.
5. the servicing unit of plastic tube welding according to claim 4, it is characterized in that, described hydraulic cylinder comprises cylinder sleeve and is positioned at the plunger of described cylinder sleeve, described plunger is fixed on described guide rod, described plunger is divided into airtight high pressure oil-feed chamber and low pressure by the inner chamber of described cylinder sleeve and goes out oil-in chamber, and described high pressure oil-feed chamber and low pressure go out oil-in chamber and is communicated with described oil pump by described petroleum pipeline respectively.
6. the servicing unit of plastic tube welding according to claim 4, is characterized in that, described controller comprises AD converter and the single-chip microcomputer of electrical connection successively.
7. a using method for the servicing unit of plastic tube welding, is characterized in that, comprises the steps:
Step 1: the servicing unit that the plastic tube welding as described in claim 1 to 6 any one is provided, described fixing pipe clamp component is fixed described plastic tube one, described mobile pipe clamp component clamps described plastic tube two, and makes described plastic tube two and described plastic tube one keep certain gap;
Step 2: in the gap described in step 1, insert a heating plate for energising not, and two sides that make described heating plate respectively with described plastic tube one and two laminatings of described plastic tube;
Step 3: the described heating plate energising heating scheduled time;
Step 4: detach described heating plate, within predetermined switching time, start described fluid pressure drive device, by regulating the pressure size in described controller, described plastic tube two is pushed away near and the weld interface of the two is fitted tightly to the direction of plastic tube one, then, the cooling scheduled time, until complete welding.
8. the using method of plastic tube auxiliary welding equipment according to claim 7, it is characterized in that, the fuel injection pressure signal in described hydraulic cylinder is changed into analog signal by described pressure sensor, then change into data signal through AD converter, finally carries out data processing by single-chip microcomputer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410199420.7A CN104002476A (en) | 2014-05-12 | 2014-05-12 | Auxiliary device for plastic pipe welding and using method thereof |
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| CN201410199420.7A CN104002476A (en) | 2014-05-12 | 2014-05-12 | Auxiliary device for plastic pipe welding and using method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273420A (en) * | 2016-08-22 | 2017-01-04 | 联塑市政管道（河北）有限公司 | A kind of PPR pipe pipe fitting welding equipment |
| CN108162414A (en) * | 2018-01-08 | 2018-06-15 | 无锡市胜达塑管熔接设备有限公司 | A kind of saddle type modeling pipe welder and its control method |
| CN108215216A (en) * | 2018-01-08 | 2018-06-29 | 无锡市胜达塑管熔接设备有限公司 | Heat angle bonding machine and control method |
| CN111958992A (en) * | 2020-08-14 | 2020-11-20 | 芜湖新磊塑胶科技有限公司 | Uniform feeding tool for plastic pipes |
| CN114248450A (en) * | 2021-11-24 | 2022-03-29 | 一道新能源科技(衢州)有限公司 | Telescopic injection molding buoy welding device and optimization method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273420A (en) * | 2016-08-22 | 2017-01-04 | 联塑市政管道（河北）有限公司 | A kind of PPR pipe pipe fitting welding equipment |
| CN108162414A (en) * | 2018-01-08 | 2018-06-15 | 无锡市胜达塑管熔接设备有限公司 | A kind of saddle type modeling pipe welder and its control method |
| CN108215216A (en) * | 2018-01-08 | 2018-06-29 | 无锡市胜达塑管熔接设备有限公司 | Heat angle bonding machine and control method |
| CN111958992A (en) * | 2020-08-14 | 2020-11-20 | 芜湖新磊塑胶科技有限公司 | Uniform feeding tool for plastic pipes |
| CN114248450A (en) * | 2021-11-24 | 2022-03-29 | 一道新能源科技(衢州)有限公司 | Telescopic injection molding buoy welding device and optimization method |
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