CN207140373U - A kind of efficient hot melt spigot-and-socket device of PPR pipe part - Google Patents
A kind of efficient hot melt spigot-and-socket device of PPR pipe part Download PDFInfo
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- CN207140373U CN207140373U CN201720794752.9U CN201720794752U CN207140373U CN 207140373 U CN207140373 U CN 207140373U CN 201720794752 U CN201720794752 U CN 201720794752U CN 207140373 U CN207140373 U CN 207140373U
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- hot melt
- hydraulic cylinder
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Abstract
The utility model discloses a kind of efficient hot melt spigot-and-socket device of PPR pipe part, including frame, the frame is sequentially installed with hydraulic pressure and pushes device, lower mold apparatus, heating plate mobile device and upper mould device to from top to bottom；Guiding mechanism is installed, the lower mold apparatus, heating plate mobile device and upper mould device are connected with guiding mechanism respectively at the top of the frame.The utility model provides a kind of efficient hot melt spigot-and-socket device of PPR pipe part, the apparatus structure is simple, it is easy to operate, efficiency high, connected suitable for the hot melt spigot-and-socket of PPR large-caliber pipe fittings, meanwhile, PPR pipe part hot melt can be allowed to realize onlineization production operation, make it heat quality to be greatly improved with efficiency, while be greatly reduced labour cost.
Description
Technical field
The hot melt that the utility model belongs between heavy caliber PPR pipe part docks field with socket joint, and in particular to a kind of PPR pipe
Part thermofusion device.
Background technology
With the maturation of plastic conduit production technology, bigbore plastic conduit is used more and more in engineering field.And
The connected mode of PPR pipe part connects for hot melt spigot-and-socket.
The hot melt spigot-and-socket between PPR pipe part is also to rely on manual operations at present, when carrying out hot melt spigot-and-socket to pipe fitting, institute
The labor intensity paid is directly proportional to the bore of pipe fitting, and labour cost is again directly proportional with labor intensity.
Utility model content
The purpose of this utility model is above-mentioned in order to overcome the shortcomings of, there is provided a kind of efficient hot melt spigot-and-socket device of PPR pipe part,
The apparatus structure is simple, easy to operate, efficiency high, is connected suitable for the hot melt spigot-and-socket of PPR large-caliber pipe fittings.
The purpose of this utility model can be realized by following technical proposal：
A kind of efficient hot melt spigot-and-socket device of PPR pipe part, including frame, the frame are sequentially installed with hydraulic thrust from top to bottom
To device, lower mold apparatus, heating plate mobile device and upper mould device；Guiding mechanism is installed, under described at the top of the frame
Die device, heating plate mobile device and upper mould device are connected with guiding mechanism respectively.
Preferably, the hydraulic pressure, which pushes device to, includes hydraulic cylinder base, straight line cunning is installed on the hydraulic cylinder base
Rail and supporting plate, line slide rail are provided with sliding block, and the side of the sliding block is provided with the second hydraulic cylinder being attached thereto, and described
Two hydraulic cylinders are fixed on the supporting plate, and the top of the sliding block is connected by connecting plate with first hydraulic cylinder, first hydraulic cylinder head
Portion is provided with articulated joint.
Preferably, position adjustment block and hydraulic cylinder scotch are additionally provided with the hydraulic cylinder base, the position adjustment
Block sets the bottom of second hydraulic cylinder, and the hydraulic cylinder scotch is arranged between line slide rail and supporting plate, and close to straight line
The side of guide rail.
Preferably, the articulated joint includes the first articulated joint and second joint joint, first articulated joint
Bottom is arranged on the head of first hydraulic cylinder, the shifting chute installed in the first articulated joint of the second joint joint sliding
It is interior.
Preferably, the lower mold apparatus includes first baffle, centre position is provided with first on the inside of the first baffle
The first tight lock claw is installed at air spider, the top of first air spider, and the both sides of first air spider are symmetrically installed
There is first flanged (FLGD) linear bearing；The both ends of the first baffle are separately installed with mobile fixing seat of hinge, the mobile hinge
Stainless steel sleeve is installed on the outside of chain fixed seat.
Preferably, the heating plate mobile device includes heat melting device, rail plate, cylinder, the heat melting device passes through heat
Molten device supporting plate is arranged on the side of rail plate, and the opposite side of the rail plate is provided with mobile sliding block, described mobile sliding
Cylinder supports plate is installed on block, cylinder supports axle, the cylinder supports axle and cylinder phase are installed in the cylinder supports plate
Connection.
Preferably, the both sides of the cylinder are symmetrically arranged with the axis of guide, it is mounted on the axis of guide flanged straight
Bobbin is held, and the flanged linear bearing is fixedly mounted on cylinder supports plate.
Preferably, the upper mould device includes pipe fitting roll-over plate and second baffle；The second baffle is arranged on pipe fitting
The top of returning face plate, the both ends of second baffle bottom are connected by Rectangular Spring with pipe fitting roll-over plate respectively；The second gear
Centre position is provided with the second air spider on the inside of plate, and the second tight lock claw is installed at the top of second air spider；The pipe
The both ends of part returning face plate are symmetrically installed with second flanged (FLGD) linear bearing.
Preferably, the centre position on the inside of the pipe fitting roll-over plate is provided with flake bearing, the top of the flake bearing
Universal joint contiguous block is installed, the universal joint contiguous block is connected with the bottom of second baffle, in universal joint contiguous block in portion
Both sides be installed with the second stainless steel sleeve.
Preferably, the guiding mechanism includes guide rod, guide fixed block and fixing seat of hinge；The guide fixed block
Top is fixed with frame, and the bottom both ends of guide fixed block are symmetrical arranged fixing seat of hinge, the side pair of the fixing seat of hinge
Title is provided with Bit andits control block, and the inner side of the Bit andits control block is provided with upset locating piece, and the bottom of guide rod, which is provided with, is oriented to branch
Fagging.
Compared with prior art, the utility model has advantages below：
1) manpower can be replaced to carry out hot melt spigot-and-socket operation, section to PPR pipe part by hand completely using the hot melt spigot-and-socket device
Manual labor's cost has been saved, has greatly reduced its production cost.
2) device can guarantee that the attractive in appearance of the outward appearance of PPR pipe part, and it heats quality and greatly improved.
Brief description of the drawings
Fig. 1 is the front view of the efficient hot melt spigot-and-socket device of PPR pipe part described in the utility model；
Fig. 2 is the front view that hydraulic pressure described in the utility model pushes device to；
Fig. 3 is that hydraulic pressure described in the utility model pushes device top view to；
Fig. 4 is lower mold apparatus front view described in the utility model；
Fig. 5 is heating plate mobile device front view described in the utility model；
Fig. 6 is heating plate mobile device top view described in the utility model；
Fig. 7 is upper mould device front view described in the utility model；
Fig. 8 is guiding mechanism front view described in the utility model；
Shown in figure：1- frames, 2- hydraulic pressure push device, 2.1- position adjustment blocks, 2.2- support baseboards, the liquid of 2.3- second to
Cylinder pressure, the articulated joints of 2.4- the 3rd, 2.5- scotch, 2.6- Hydraulic Cylinder blocks, 2.7- sliding blocks, 2.8- first hydraulic cylinders,
2.9- line slide rails, 2.10- second joint joints, the articulated joints of 2.11- first, 2.12- hydraulic cylinder bases, 3- guidance panels bottom
Plate, 4- lower mold apparatus, 4.1- first baffles, 4.2- movement fixing seat of hinge, the stainless steel sleeves of 4.3- first, 4.4- pads, 4.5-
First flanged linear bearing, the first tight lock claw of 4.6-, the air spiders of 4.7- first, 5- heating plate mobile devices, 5.1- hot melts
Device, 5.2- guide rail mounting blocks, 5.3- movement sliding blocks, 5.4- heat melting device support baseboards, 5.5- cylinder supports axles, 5.6- cylinder branch
Fagging, 5.7- cylinders, 5.8- shifting sledges, the 5.9- axis of guides, the second flanged linear bearings of 5.10-, 6- upper mould devices, 6.1-
Pipe fitting roll-over plate, the 3rd flanged linear bearings of 6.2-, 6.3- Rectangular Springs, 6.4- second baffles, the 6.5, second tight lock claw,
6.6- universal joint contiguous blocks, the 6.7, second stainless steel sleeve, 6.8- flake bearings, the 6.9- spring axis of guides, 6.10- second are pneumatic
Chuck, 7- guiding mechanisms, 7.1- guide support plates, 7.2- guide rods, 7.3- pads, 7.4- upset locating pieces, 7.5- displacement controls
Clamp dog, 7.6- fixing seat of hinge, 7.7- guide fixed blocks, 7.8- positioning screws.
Embodiment
In order that the purpose, technical scheme and advantage of the utility model embodiment are clearer, below in conjunction with this practicality
Technical scheme in new embodiment carries out clear, complete description, it is clear that described embodiment is portion of the present utility model
Divide embodiment, rather than whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not paying
The every other embodiment obtained on the premise of creative work, belongs to the scope of protection of the utility model.
As shown in figure 1, the utility model embodiment provides a kind of efficient hot melt spigot-and-socket device of PPR pipe part, including frame 1,
Wherein, frame 1 is to be connected by aluminium section bar by certain fitted position, and four runners are provided with its bottom, described
Frame 1 is sequentially installed with hydraulic pressure and pushes device 2, lower mold apparatus 4, heating plate mobile device 5 and upper mould device 6 to from top to bottom,
The top of frame 1 is provided with guiding mechanism 7, lower mold apparatus 4, heating plate mobile device 5 and upper mould device 6 respectively with guiding mechanism
7 are connected.
Referring to shown in Fig. 2 to 3, the hydraulic pressure, which pushes device 2 to, includes hydraulic cylinder base 2.12, on hydraulic cylinder base 2.12
Line slide rail 2.9 and base supporting plate 2.2 are installed, line slide rail 2.9 is provided with sliding block 2.7, the side peace of the sliding block 2.7
Equipped with the second hydraulic cylinder 2.3 being attached thereto, the second hydraulic cylinder 2.3 is fixed in base supporting plate 2.2, in sliding block 2.7
Top be connected by connecting plate with first hydraulic cylinder 2.8, the head of first hydraulic cylinder 28. is provided with articulated joint (including first
Articulated joint 2.11 and second joint joint 2.10).Wherein, the He of position adjustment block 2.1 is also equipped with hydraulic cylinder base 2.12
Hydraulic cylinder scotch 2.5, the position adjustment block 2.1 set the bottom of second hydraulic cylinder 2.3, and hydraulic cylinder scotch 2.5 is set
Between line slide rail 2.9 and base supporting plate 2.2, and close to the side of line slideway 2.9, pass through the He of position adjustment block 2.1
Hydraulic cylinder scotch 2.5 can realize the limitation and positioning to the position of second hydraulic cylinder 2.3.In the present embodiment, the second liquid is passed through
The lifting of cylinder pressure 2.3 carrys out band movable slider 2.7 and moved up and down on line slideway 2.9, and the first liquid is provided with sliding block 2.7
Cylinder pressure 2.8, such first hydraulic cylinder 2.8 can also be moved under the drive of sliding block 2.7, by first hydraulic cylinder 2.8
The articulated joint of portion's installation is so as to realizing the lifting to lower mold apparatus.
Further optimize the present embodiment, the articulated joint includes the first articulated joint 2.11, second joint joint 2.10
With the 3rd articulated joint 2.4, the bottom of the first articulated joint 2.11 is arranged on the head of first hydraulic cylinder 2.8, and described the
Two articulated joints 2.10 are slidably mounted in the shifting chute of the first articulated joint 2.11, and the 3rd articulated joint 2.4 is arranged on the
The head of two hydraulic cylinders 2.3, the flexible connection with the connecting plate of sliding block is realized by the 3rd articulated joint 2.4.
In the present embodiment, hydraulic pressure pushes device to and had more use articulated joint so that the whole work process of thermofusion device is
Flexible socket joint, push to be connected with the first baffle 4.1 of lower mold apparatus 4 with articulated joint at the top of the push rod of device in hydraulic pressure, its mesh
Be exactly to allow clamped pipe fitting on lower mold apparatus 4 again can self-control during stress socket joint.
Shown in Figure 4, the lower mold apparatus 4 includes first baffle 4.1, the inner side centre position of first baffle 4.1
First air spider 4.7 is installed, the first tight lock claw 4.6 is installed at the top of first air spider 4.7, and described first is pneumatic
The both sides of chuck 4.7 are symmetrically installed with first flanged (FLGD) linear bearing 4.5；It is separately installed with the both ends of first baffle 4.1
Mobile fixing seat of hinge 4.2, the outside of mobile fixing seat of hinge 4.2 are provided with the first stainless steel sleeve 4.3.It is flanged by first
Linear bearing 4.5 and first hydraulic cylinder 2.8 connection, drive the first air spider 4.7 and first on first baffle 4.1
The up and down motion of tight lock claw 4.6, is realized to tubing by the first tight lock claw 4.6 and captured.The stainless steel sleeve 4.3 can be in guide rod
7 enterprising line slips.
Referring to shown in Fig. 5 to 6, the heating plate mobile device 5 includes heat melting device 5.1, rail plate 5.8 and cylinder
5.7, wherein, heat melting device 5.1 is arranged on the side of rail plate 5.8, the rail plate 5.8 by heat melting device supporting plate 5.4
Opposite side mobile sliding block 5.3 is installed, cylinder supports plate 5.6, the cylinder supports plate are installed on the mobile sliding block 5.3
Cylinder supports axle 5.5 is installed, the cylinder supports axle 5.5 is connected with cylinder 5.7 in 5.6.In the both sides pair of cylinder 5.7
Title is provided with the axis of guide 5.9, and the 3rd flanged linear bearing 5.10, the 3rd band method are mounted on the axis of guide 5.9
Blue linear bearing 5.10 is fixedly mounted on cylinder supports plate 5.6.The movement of the heating plate mobile device 5 is by cylinder 5.7
Come what is regulated and controled, movement of the mobile sliding block 5.3 on rail plate 5.8 is realized by cylinder 5.7.
Shown in Figure 7, the upper mould device 6 includes pipe fitting roll-over plate 6.1 and second baffle 6.4；The second baffle
6.4 are arranged on the top of pipe fitting roll-over plate 6.1, and the both ends of the bottom of second baffle 6.4 are turned over by Rectangular Spring 6.3 with pipe fitting respectively
Flap 6.1 is connected；The inner side centre position of second baffle 6.1 is provided with the second air spider 6.10, and described second is pneumatic
The top of chuck 6.10 is installed by the second tight lock claw 6.5；It is flanged (FLGD) that the both ends of the pipe fitting roll-over plate 6.1 are symmetrically installed with second
Linear bearing 6.2.Flake bearing 6.8, the flake bearing 6.8 are installed in the centre position of the inner side of pipe fitting roll-over plate 6.1
Top on universal joint contiguous block 6.6 is installed, the universal joint contiguous block 6.6 is connected with the bottom of second baffle 6.4,
The second stainless steel sleeve 6.7 is installed with the both sides of universal joint contiguous block 6.6.
In the present embodiment, the bottom of the second air spider 6.10 of upper mould device 6 be provided with 4 groups of Rectangular Springs 6.3 with
Flake bearing 6.8, by Rectangular Spring 6.3 with flake bearing 6.8 in order to can be risen during pipe fitting again whole hot melt spigot-and-socket
To the effect of a self-control, so as to further reach the purpose of flexible socket joint.
Shown in Figure 4, guiding mechanism 7 includes guide rod 7.2, guide fixed block 7.7 and fixing seat of hinge 7.6, wherein,
The top of guide fixed block 7.7 is fixed with frame 1, and the bottom both ends of guide fixed block 7.7 are symmetrical arranged fixing seat of hinge 7.6, hinge
The side of chain fixed seat 7.6 is symmetrically arranged with Bit andits control block 7.5, and upset locating piece is provided with the inner side of displacement control block 7.5
7.4, the bottom of guide rod 7.2 is provided with guide support plate 7.1.Wherein, upper mould device 6 and lower mold apparatus 4 are in guiding mechanism 7
Moved along a straight line on guide rod 7.2, heating plate mobile device 5 is horizontal behind frame 1, and hydraulic pressure is pushed device 2 to and is vertically arranged to bottom plate
On, bottom plate is arranged in frame 1.Upset locating piece 7.4 is engaged with the pipe fitting roll-over plate 6.1 of upper mould device 6.In fixed guide
The centre position for determining block 7.7 is provided with positioning screw 7.8 for being positioned to the second tight lock claw 6.5.The hot melt of pipe fitting is
Pipe fitting is carried out from upper mould device 6 and lower mold apparatus 4 to clamping, making pipe fitting be heated again on hot-melt plate, upper mould device 6 with
Lower mold apparatus 4 is carried out to being that hydraulic pressure pushes device completion to clamping, and the hydraulic pressure pushes device to mainly by two hydraulic cylinders
Composition, its power is provided by hydraulic station.By the utility model PPR pipe fittings hot melt can be allowed to realize onlineization production operation,
Make it heat quality to be greatly improved with efficiency, while be greatly reduced labour cost.
Operation principle of the present utility model is as follows：
Pipe fitting is respectively placed in into the tight lock claw of upper mould device 6 and lower mold apparatus 4, and (the i.e. second tight lock claw 6.5 and first is tight
Lock claw 4.6), then air spider (the second air spider 6.10 and the first air spider 4.7) is clamped to pipe fitting, now,
Heat melting device 5.1 is moved to suitable operating point and fixes remaining guiding mechanism by heating plate mobile device 5, and hydraulic pressure pushes device 2 to
Second hydraulic cylinder 2.3 start working, promote lower mold apparatus 4 move upwards, in the presence of guiding mechanism 7, the edge of lower mold apparatus 4
Guide rod does straight line and up moved, and the pipe fitting on lower mold apparatus 4 is slowly entered the die head of heat melting device 5.1, when lower mold apparatus 4
When first stainless steel sleeve 4.3 is moved to top in the control flume of displacement control block 7.5, lower mold apparatus 4 fills with heating plate movement
5 are put together in the presence of hydraulic cylinder, is continued to move up, until the second stainless steel sleeve 6.7 of upper mould device 6 and displacement control
The bottom contact of second shifting chute of clamp dog 7.5, now, the pipe fitting of upper mould device 6 is completed whole with the pipe fitting of lower mold apparatus 4
The work of hot melt, after pipe fitting fully heats, under the effect of second hydraulic cylinder 2.3, lower mold apparatus 4 starts to take off with upper mould device 6
From the heat melting device 5.1 of heating plate mobile device 5, after band completely disengages, hot melt is moved to initial bit by heating plate mobile device 5
Put, now, first hydraulic cylinder 2.8 works simultaneously with second hydraulic cylinder 2.3, lower mold apparatus 4 is up pushed into upper mould device 6, directly
To the abundant socket joint of two pipe fittings, startup chuck (the second air spider 6.10 and the first gas of last upper mould device 6 and lower mold apparatus 4
Dynamic chuck 4.7) unclamp, hydraulic pressure pushes device 2 to and also does return motion, after being returned to initial position, then is held by manually removing hot melt
The pipe fitting being plugged.So repeatedly.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (10)
1. a kind of efficient hot melt spigot-and-socket device of PPR pipe part, including frame, it is characterised in that：The frame is pacified successively from top to bottom
Push device, lower mold apparatus, heating plate mobile device and upper mould device to equipped with hydraulic pressure；Guiding machine is installed at the top of the frame
Structure, the lower mold apparatus, heating plate mobile device and upper mould device are connected with guiding mechanism respectively.
2. the efficient hot melt spigot-and-socket device of PPR pipe part according to claim 1, it is characterised in that：The hydraulic pressure pushes device to
Including hydraulic cylinder base, line slide rail and supporting plate are installed, line slide rail is provided with sliding block, described on the hydraulic cylinder base
The side of sliding block is provided with the second hydraulic cylinder being attached thereto, and the second hydraulic cylinder is fixed on the supporting plate, the sliding block
Top is connected by connecting plate with first hydraulic cylinder, and first hydraulic cylinder head is provided with articulated joint.
3. the efficient hot melt spigot-and-socket device of PPR pipe part according to claim 2, it is characterised in that：On the hydraulic cylinder base
Position adjustment block and hydraulic cylinder scotch are additionally provided with, the position adjustment block sets the bottom of second hydraulic cylinder, the hydraulic cylinder
Scotch is arranged between line slide rail and supporting plate, and close to the side of line slideway.
4. the efficient hot melt spigot-and-socket device of PPR pipe part according to claim 3, it is characterised in that：The articulated joint includes
First articulated joint and second joint joint, the first articulated joint bottom is arranged on the head of first hydraulic cylinder, described
Second joint joint sliding in the shifting chute of the first articulated joint.
5. the efficient hot melt spigot-and-socket device of PPR pipe part according to claim 1, it is characterised in that：The lower mold apparatus includes
First baffle, first baffle inner side centre position are provided with the first air spider, the top peace of first air spider
The first tight lock claw is filled, the both sides of first air spider are symmetrically installed with first flanged (FLGD) linear bearing；The first gear
The both ends of plate are separately installed with mobile fixing seat of hinge, and stainless steel sleeve is provided with the outside of the mobile fixing seat of hinge.
6. the efficient hot melt spigot-and-socket device of PPR pipe part according to claim 1, it is characterised in that：The heating plate movement dress
Put and the side of rail plate, institute are arranged on by heat melting device supporting plate including heat melting device, rail plate, cylinder, the heat melting device
The opposite side for stating rail plate is provided with mobile sliding block, and cylinder supports plate, the cylinder supports are provided with the mobile sliding block
Cylinder supports axle is installed, the cylinder supports axle connects with cylinders in plate.
7. the efficient hot melt spigot-and-socket device of PPR pipe part according to claim 6, it is characterised in that：The both sides pair of the cylinder
Title is provided with the axis of guide, and flanged linear bearing is mounted on the axis of guide, and the flanged linear bearing is fixedly mounted
On cylinder supports plate.
8. the efficient hot melt spigot-and-socket device of PPR pipe part according to claim 1, it is characterised in that：The upper mould device includes
Pipe fitting roll-over plate and second baffle；The second baffle is arranged on the top of pipe fitting roll-over plate, the both ends point of second baffle bottom
It is not connected by Rectangular Spring with pipe fitting roll-over plate；Centre position is provided with the second air spider on the inside of the second baffle,
The top of second air spider is installed by the second tight lock claw；It is flanged that the both ends of the pipe fitting roll-over plate are symmetrically installed with second
Linear bearing.
9. the efficient hot melt spigot-and-socket device of PPR pipe part according to claim 8, it is characterised in that：In the pipe fitting roll-over plate
The centre position of side is provided with flake bearing, and universal joint contiguous block, the universal joint are provided with the top of the flake bearing
Contiguous block is connected with the bottom of second baffle, and the second stainless steel sleeve is installed with the both sides of universal joint contiguous block.
10. the efficient hot melt spigot-and-socket device of PPR pipe part according to claim 1, it is characterised in that：The guiding mechanism includes
Guide rod, guide fixed block and fixing seat of hinge；Fixed at the top of the guide fixed block with frame, the bottom two of guide fixed block
End is symmetrical arranged fixing seat of hinge, and the side of the fixing seat of hinge is symmetrically arranged with Bit andits control block, the Bit andits control block
Inner side be provided with upset locating piece, the bottom of guide rod is provided with guide support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720794752.9U CN207140373U (en) | 2017-07-01 | 2017-07-01 | A kind of efficient hot melt spigot-and-socket device of PPR pipe part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720794752.9U CN207140373U (en) | 2017-07-01 | 2017-07-01 | A kind of efficient hot melt spigot-and-socket device of PPR pipe part |
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| Publication Number | Publication Date |
|---|---|
| CN207140373U true CN207140373U (en) | 2018-03-27 |
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ID=61672115
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|---|---|---|---|
| CN201720794752.9U Active CN207140373U (en) | 2017-07-01 | 2017-07-01 | A kind of efficient hot melt spigot-and-socket device of PPR pipe part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322935A (en) * | 2017-07-01 | 2017-11-07 | 武汉金牛经济发展有限公司 | A kind of efficient hot melt spigot-and-socket device of PPR pipe part and its socket joint method |
-
2017
- 2017-07-01 CN CN201720794752.9U patent/CN207140373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322935A (en) * | 2017-07-01 | 2017-11-07 | 武汉金牛经济发展有限公司 | A kind of efficient hot melt spigot-and-socket device of PPR pipe part and its socket joint method |
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