CN207642584U - A kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device - Google Patents
A kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device Download PDFInfo
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- CN207642584U CN207642584U CN201721849832.6U CN201721849832U CN207642584U CN 207642584 U CN207642584 U CN 207642584U CN 201721849832 U CN201721849832 U CN 201721849832U CN 207642584 U CN207642584 U CN 207642584U
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- outer protection
- forming device
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- rolling forming
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Abstract
A kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device is equipped with discharge mechanism, edge pre-pressing mechanism, feed mechanism, holding pad, occlusion mechanism, pipe crimping mould circle, workbench, power and transmission mechanism and adjustable support frame；The discharge mechanism, edge pre-pressing mechanism, feed mechanism, holding pad, occlusion mechanism are mounted on adjustable support frame, and the power and transmission mechanism are equipped with feed mechanism；The pipe crimping mould circle is fixed on the table；It is particular in that：Motor is operated by retarder and chain Component driver feed mechanism in the power and transmission mechanism；The drive roll and driven voller that the feed mechanism is equipped with, the drive roll and driven voller external cylindrical surface are latticed rubbing surface.The utility model amount of parts is few, it is simple in structure, convenient for manipulation and repair, cutting workpiece mechanism can be worked at the same time with feed mechanism, tamping mechanism and occlusion mechanism, metal outer protection tube rolling forming device continuous operation be ensure that, to improve production efficiency.
Description
Technical field
The utility model is related to a kind of heat preservation pipe prefabricated metal outer protection tube rolling forming devices, belong to heat preservation Manifold technology neck
Domain.
Background technology
Insulating tube is used for the conveying of liquid, gas and other media, in oil, chemical industry, central heating, central air-conditioning, city
It is used widely in the adiabatic heat-insulations engineering such as political affairs pipeline.It is heat preservation pipe prefabricated install before in the ready-made utilidor of factory, by
Heating agent transfer tube, polyurethane foamed thermal-insulating layer and outer protection tube composition.Prefabricated thermal insulation tube field is laid with direct-burried and built on stilts installation two
Kind mode, wherein for the insulating tube of aerial laying, due to being chronically exposed in atmospheric environment, in order to extend the work of insulating tube
Service life is suitable for using metal material outer protection tube structure, and metal material outer protection tube generally rolls spiral tube structure, therefore pre-
It needs to be equipped with metal outer protection tube rolling forming device in insulating tube production process processed.
In the prior art, insulating tube metal outer protection tube rolling forming device by different motors respectively drive feed mechanism,
Tamping mechanism and occlusion mechanism action, that there are dynamical system amount of parts is more, complicated, it is scarce to be not easy to manipulate and repair etc.
It falls into, motor-driven saw-blade structure is used additionally, due to cutting workpiece mechanism, to ensure that notch is vertical with workpiece centre axis
Degree, during cutting workpiece, feed mechanism, tamping mechanism and occlusion mechanism are in shutdown status so that metal outer protection tube
Rolling forming device is unable to continuous operation, therefore reduces production efficiency.
Utility model content
The purpose of this utility model is the drawback for the prior art, and it is few, simple in structure, just to provide a kind of amount of parts
In the heat preservation pipe prefabricated metal outer protection tube rolling forming device of manipulation and repair, while also passing through the optimization to cutting workpiece mechanism
Design, feed mechanism, tamping mechanism and occlusion mechanism ensure metal outer protection tube still in working condition during making cutting workpiece
Rolling forming device continuous operation, to improve production efficiency.
To achieve the above object, the utility model adopts the following technical solution：
A kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device, it includes being put along what plate direction of feed was set gradually
Expect mechanism, edge pre-pressing mechanism, feed mechanism, holding pad and occlusion mechanism, further includes pipe crimping mould circle, workbench, power and transmission
Mechanism and adjustable support frame；The discharge mechanism, edge pre-pressing mechanism, feed mechanism, holding pad, occlusion mechanism are mounted on adjustable
It saves on supporting rack, the power and transmission mechanism are equipped with feed mechanism；The pipe crimping mould circle is fixed on the table, the work
It is arranged on level ground as platform；It is particular in that：The power and transmission mechanism include motor, retarder and wheel chain
Bar assembly, the motor are fixed on adjustable support frame, and power output end is connect with retarder, pass through retarder and gear
Chain assemblies drive feed mechanism operating；The feed mechanism is equipped with drive roll and driven voller positioned opposite, the drive roll
It is latticed rubbing surface with driven voller external cylindrical surface.
Above-mentioned prefabricated aerial insulating tube oversheath rolling forming device, the holding pad include top board and bottom plate, described
Bottom plate is fixed on adjustable support frame, and the top board is equipped with bottom plate, and plate feeding is formed between top board and bottom plate
Channel, the oil inlet of setting connection lubricating oil pipeline on the top board, at the plate outer side edge, setting plate is fed
Limition orientation idler wheel.
Above-mentioned prefabricated aerial insulating tube oversheath rolling forming device, the edge pre-pressing mechanism are equipped with one group of parallel arrangement
Flanging roller, is arranged the first flanging cutting edge in each flanging roller inner end, and the second flanging is arranged in flanging roller outboard end
Cutting edge；The first flanging cutting edge is " V " type section structure, the angle β of " V " type section structure two side in one group of flanging roller
Value is successively decreased successively along plate direction of feed；The second flanging cutting edge is wedge section structure, and wedge shape is disconnected in one group of flanging roller
The inclination angle alpha value of face structure side wall is successively decreased successively along plate direction of feed.
Above-mentioned prefabricated aerial insulating tube oversheath rolling forming device, the occlusion mechanism include pinch roller, pinch roller compress handle,
Pinch roller compresses handle drive cylinder, support wheel and support wheel drive cylinder；The pinch roller is mounted on top board, and handle is compressed by pinch roller
The pressing force coordinated to its application with support wheel；It is lever construction that the pinch roller, which compresses handle, passes through articulated shaft and workbench side wall
Upper hinged seat assembly, the telescopic rod that master arm one end compresses handle drive cylinder with pinch roller are connect；The support wheel is mounted on branch
On the telescopic rod for supportting wheel drive oil cylinder, the groove for being used to form outer protection tube screwed holding seam is set on support wheel；The support
Wheel drive oil cylinder is fixed on the table.
Above-mentioned prefabricated aerial insulating tube oversheath rolling forming device, the pipe crimping mould circle are matching molding outer protection tube diameter
The annulus of size, front end contour line are the helix for matching outer protection tube screwed holding seam.
Above-mentioned prefabricated aerial insulating tube oversheath rolling forming device, is additionally provided with cutting workpiece mechanism, the cutting workpiece
Mechanism includes plasma cutting machine, support beam, support post, Mobile base, sliding rail and Mobile base driving unit；The plasma
Cutting machine is mounted on support beam one end, is located at the top of pipe crimping mould ring outer wall；The support beam is mounted on support post；Institute
Support post is stated to be fixed on Mobile base；The Mobile base is mounted on sliding rail, and equipped with Mobile base driving unit；The shifting
Dynamic seat driving unit is equipped with screw nut driven component and servo motor, the servo motor output shaft in feed screw nut component
Leading screw is fixedly connected, and the nut of the feed screw nut component is fixedly connected with Mobile base.
Above-mentioned prefabricated aerial insulating tube oversheath rolling forming device is additionally provided with molding outer protection tube supporting rack；The molding
Outer protection tube supporting rack is fixed on level ground, is arranged vertically with plate direction of feed, is arranged on molding outer protection tube supporting rack
The guide rack that can be rotated with outer protection tube, the installation position sensor in guide rack.
Above-mentioned prefabricated aerial insulating tube oversheath rolling forming device, is arranged control plane on the workbench front side wall
Plate.
The utility model is a kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device, for rolling strip metal plate
Molded is spiral tube structure, its working principle is that：Plate enters edge pre-pressing mechanism through discharge mechanism, by edge pre-pressing mechanism by plate
It is " V " type and perpendicular type flange shape that material both sides roll respectively, then plate is delivered to occlusion with feed mechanism, holding pad
Mechanism working region, plate coiled coil, " V " type and right angle of two adjacent rings plate under occlusion mechanism and the cooperation of pipe crimping mould circle
Type flange links occlusion and is shaped to helix tube.Power that the utility model is made of motor, retarder and chain component and
Transmission mechanism drives feed mechanism operating, then passes through the latticed rubbing surface of drive roll in feed mechanism and driven voller external cylindrical surface
Drive plate moved along direction of feed, since dynamical system amount of parts is few, have it is simple in structure, manipulation and it is easy to maintain
Feature.Also design is optimized to cutting workpiece mechanism in the utility model, make its can with discharge mechanism, edge pre-pressing mechanism, give
Material mechanism, holding pad and occlusion mechanism work at the same time, and are moved by servo motor, screw nut driven Component driver Mobile base level
It is dynamic, so that the outer protection tube for the plasma cutting machine cutter head and roll forming being mounted on Mobile base is moved synchronously along blanking direction, because
This not only ensure that the verticality of notch and workpiece centre axis, but also realize the completion cutting workpiece operation under not shutdown status,
To significantly improve working efficiency.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is flanging roller arrangement schematic diagram in edge pre-pressing mechanism；
Fig. 4 is plate edge pre-pressing process schematic；
Fig. 5 is occlusion mechanism schematic diagram；
Fig. 6 is schematic enlarged-scale view at I in Fig. 5；
Fig. 7 is A-A cross-sectional views in Fig. 2；
Fig. 8 is power and transmission mechanism, feed mechanism and binder harden structure and matching relationship schematic diagram；
Fig. 9 is cutting workpiece structural scheme of mechanism；
Figure 10 is the vertical view of Fig. 9.
Each list of reference numerals is in figure：1, discharge mechanism, 2, edge pre-pressing mechanism, 2-1, flanging roller, 2-1-1, the first flanging
Cutting edge, 2-1-2, the second flanging cutting edge, 3, feed mechanism, 3-1, drive roll, 3-2, driven voller, 4, holding pad, 4-1, top board,
4-2, bottom plate, 4-3, limition orientation idler wheel, 4-4, oil inlet, 5, outer protection tube, 5-1, spiral sting tape edge, and 6, pipe crimping mould circle, 6-1,
Helix, 7, occlusion mechanism, 7-1, pinch roller, 7-2, pinch roller compress handle, and 7-3, pinch roller compress handle drive cylinder, and 7-4, support wheel drive
Dynamic oil cylinder, 7-5, support wheel, 7-5-1, groove, 8, workbench, 8-1, control panel, 9, power and transmission mechanism, 9-1, motor,
9-2, retarder, 9-3, rack and pinion assembly, 10, adjustable support frame, 11, cutting workpiece mechanism, 11-1, servo motor, 11-
2, leading screw, 11-3, nut, 11-4, Mobile base, 11-5, sliding rail, 11-6, support post, 11-7, support beam, 11-8, etc. from
Sub- cutting machine, 12, molding outer protection tube supporting rack, 12-1, guide rack, 12-2, position sensor.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, the utility model is a kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device, it includes edge
Discharge mechanism 1, edge pre-pressing mechanism 2, feed mechanism 3, holding pad 4 and the occlusion mechanism 7 that plate direction of feed is set gradually, are also wrapped
Include pipe crimping mould circle 6, workbench 8, power and transmission mechanism 9, adjustable support frame 10 and molding outer protection tube supporting rack 12；It is described to put
Expect that mechanism 1, edge pre-pressing mechanism 2, feed mechanism 3, holding pad 4, occlusion mechanism 7 are mounted on adjustable support frame 10, it is described dynamic
Power and transmission mechanism 9 and feed mechanism 3 are equipped；The pipe crimping mould circle 6 is fixed on workbench 8, and the workbench 8 is arranged in water
On plane earth, control panel 8-1 is set on 8 front side wall of workbench；The molding outer protection tube supporting rack 12 is fixed on flatly
It on face, is arranged vertically with plate direction of feed, the guide rack that setting can be rotated with outer protection tube 5 on molding outer protection tube supporting rack 12
12-1, the installation position sensor 12-2 on guide rack 12-1.
Referring to Fig. 1, Fig. 3, Fig. 4, heat preservation pipe prefabricated metal outer protection tube rolling forming device described in the utility model is described pre-
Blank body 2 is equipped with the flanging roller 2-1 of one group of parallel arrangement, and the first flanging is arranged in the inner ends each flanging roller 2-1
The second flanging cutting edge 2-1-2 is arranged in flanging roller outboard end in cutting edge 2-1-1；The first flanging cutting edge 2-1-1 is " V " type
The angle β value of section structure, " V " type section structure two side of one group of flanging roller 2-1 is successively decreased successively along plate direction of feed；
The second flanging cutting edge 2-1-2 is wedge section structure, the inclination angle of the wedge section structure side wall of one group of flanging roller 2-1
α values are successively decreased successively along plate direction of feed；Metal blank band side after flanging roller 2-1 is " V " type turnup structure, another
Side is right angle turnup structure.
Referring to Fig. 5, Fig. 6, Fig. 7, heat preservation pipe prefabricated metal outer protection tube rolling forming device described in the utility model is described to sting
It includes pinch roller 7-1, pinch roller compression handle 7-2, pinch roller compression handle drive cylinder 7-3, support wheel 7-5 and support wheel drive to close mechanism 7
Oil cylinder 7-4；The pinch roller 7-1 is mounted on top board 4-1, compresses what handle 7-2 coordinated to its application with support wheel 7-5 from pinch roller
Pressing force；It is lever construction that the pinch roller, which compresses handle 7-2, is assembled by hinged seat on articulated shaft and workbench side wall, active
The telescopic rod that arm one end compresses handle drive cylinder 7-3 with pinch roller is connect；The support wheel 7-5 is mounted on support wheel drive cylinder 7-
On 4 telescopic rod, the groove 7-5-1 for being used to form 5 screwed holding of outer protection tube seam 5-1 is set on support wheel 7-5；The support
Wheel drive oil cylinder 7-4 is fixed on workbench 8.
Referring to Fig. 1, Fig. 8, heat preservation pipe prefabricated metal outer protection tube rolling forming device described in the utility model, the power and
Transmission mechanism 9 includes that motor 9-1, retarder 9-2 and chain component 9-3, the motor 9-1 are fixed on adjustable support frame
On 10, power output end is connect with retarder 9-2, and feed mechanism 3 is driven by retarder 9-2 and chain component 9-3
Operating；The feed mechanism 3 is equipped with drive roll 3-1 positioned opposite and driven voller 3-2, the drive roll 3-1 and driven voller 3-2
External cylindrical surface is latticed rubbing surface.The holding pad 4 includes top board 4-1 and bottom plate 4-2, and the bottom plate 4-2 is fixed on
On adjustable support frame 10, the top board 4-1 and bottom plate 4-2 is equipped, and plate is formed between top board 4-1 and bottom plate 4-2
Channel is fed, the oil inlet 4-4 of setting connection lubricating oil pipeline on the top board 4-1, by oil inlet 4-4 to sheet feeding table
Lubricating oil is injected in face, ensures that plate is smoothly fed；Limition orientation idler wheel 4- is fed in bottom plate 4-2 outer ledges setting plate
3, it avoids that deviation phenomenon occurs during plate feeding.
Referring to Fig. 9, Figure 10, heat preservation pipe prefabricated metal outer protection tube rolling forming device described in the utility model is additionally provided with work
Part cutting mechanism 11, the cutting workpiece mechanism 11 include plasma cutting machine 11-8, support beam 11-7, support post 11-
6, Mobile base 11-4, sliding rail 11-5 and Mobile base driving unit；The plasma cutting machine 11-8 is mounted on support beam 11-7
One end is located at the top of 6 outer wall of pipe crimping mould circle；The support beam 11-7 is mounted on support post 11-6；The support post
11-6 is fixed on Mobile base 11-4；The Mobile base 11-4 is mounted on sliding rail 11-5, and equipped with Mobile base driving unit；
The Mobile base driving unit is equipped with screw nut driven component and servo motor 11-1, the output shaft of the servo motor 11-1
It is fixedly connected with leading screw 11-2 in feed screw nut component, the nut 11-3 of the feed screw nut component is fixed with Mobile base 11-4 to be connected
It connects.
Referring to Fig. 1 to Figure 10, the utility model is a kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device, and being used for will
Strip metal plate roll forming is spiral tube structure, its working principle is that：Plate enters edge pre-pressing mechanism 2 through discharge mechanism 1,
It is " V " type and perpendicular type flange shape to be rolled plate both sides respectively by edge pre-pressing mechanism 2, then by feed mechanism 3, holding pad 4
Plate is delivered to the working region of occlusion mechanism 7 by cooperation, and plate links occlusion in the case where occlusion mechanism 7 and pipe crimping mould circle 6 coordinate
It is shaped to helix tube.The utility model is by motor 9-1, retarder 9-2 and chain component the 9-3 power formed and driver
Structure 9 drives feed mechanism 3 to operate, then passes through latticed the rubbing of drive roll 3-1 in feed mechanism 3 and driven voller 3-2 external cylindrical surfaces
Wiping face drives plate to be moved along direction of feed, since dynamical system amount of parts is few, has spy simple in structure, easy to maintain
Point.The cutting workpiece mechanism 11 of the utility model can with discharge mechanism 1, edge pre-pressing mechanism 2, feed mechanism 3, holding pad 4 and sting
It closes mechanism 7 to work at the same time, when 5 length of outer protection tube of roll forming reaches design requirement, is arranged in molding outer protection tube supporting rack
The collected 5 end information of outer protection tube of position sensor 12-2 on 12 guide rack 12-1, and the information is transmitted to control system
System, instruction is sent out by control system, so that servo motor 11-1 in cutting workpiece mechanism 11 is acted, is passed through screw nut driven component
Driving Mobile base 11-4 is moved horizontally, and the plasma cutting machine 11-8 cutter heads being mounted on Mobile base 11-4 is made to carry out cutting work
While industry, also moved synchronously along blanking direction with the outer protection tube of roll forming 5, therefore both ensure that notch and workpiece centre axis
The verticality of line, and the completion cutting workpiece operation under not shutdown status is realized, to significantly improve working efficiency.
Claims (8)
1. a kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device, it includes the blowing set gradually along plate direction of feed
Mechanism (1), edge pre-pressing mechanism (2), feed mechanism (3), holding pad (4) and occlusion mechanism (7) further include pipe crimping mould circle (6), work
Make platform (8), power and transmission mechanism (9) and adjustable support frame (10)；The discharge mechanism (1), is sent edge pre-pressing mechanism (2)
Expect that mechanism (3), holding pad (4), occlusion mechanism (7) are mounted on adjustable support frame (10), the power and transmission mechanism (9)
It is equipped with feed mechanism (3)；The pipe crimping mould circle (6) is fixed on workbench (8), and the workbench (8) is arranged in flatly
On face；It is characterized in that the power and transmission mechanism (9) include motor (9-1), retarder (9-2) and chain component (9-
3), the motor (9-1) is fixed on adjustable support frame (10), and power output end is connect with retarder (9-2), by subtracting
Fast device (9-2) and chain component (9-3) driving feed mechanism (3) operate；The feed mechanism (3) is equipped with positioned opposite
Drive roll (3-1) and driven voller (3-2), the drive roll (3-1) and driven voller (3-2) external cylindrical surface are latticed friction
Face.
2. heat preservation pipe prefabricated metal outer protection tube rolling forming device according to claim 1, characterized in that the holding pad
(4) include top board (4-1) and bottom plate (4-2), the bottom plate (4-2) is fixed on adjustable support frame (10), the upper pressure
Plate (4-1) is equipped with bottom plate (4-2), forms plate between top board (4-1) and bottom plate (4-2) and feeds channel, on described
On pressing plate (4-1) setting connection lubricating oil pipeline oil inlet (4-4), the bottom plate (4-2) outer ledge be arranged plate into
Give limition orientation idler wheel (4-3).
3. heat preservation pipe prefabricated metal outer protection tube rolling forming device according to claim 2, characterized in that the edge pre-pressing
Mechanism (2) is equipped with the flanging roller (2-1) of one group of parallel arrangement, the first pressure of setting in each inner end flanging roller (2-1)
The second flanging cutting edge (2-1-2) is arranged in flanging roller outboard end in side cutting edge (2-1-1)；The first flanging cutting edge (2-1-1)
For " V " type section structure, the angle β value of " V " type section structure two side of one group of flanging roller (2-1) is along plate direction of feed
Successively decrease successively；The second flanging cutting edge (2-1-2) is wedge section structure, the wedge section knot of one group of flanging roller (2-1)
The inclination angle alpha value of structure side wall is successively decreased successively along plate direction of feed.
4. heat preservation pipe prefabricated metal outer protection tube rolling forming device according to claim 3, characterized in that the holding-on machine
Structure (7) includes pinch roller (7-1), pinch roller compression handle (7-2), pinch roller compression handle drive cylinder (7-3), support wheel (7-5) and support
Wheel drive oil cylinder (7-4)；The pinch roller (7-1) be mounted on top board (4-1) on, from pinch roller compress handle (7-2) to its application with
The pressing force of support wheel (7-5) cooperation；It is lever construction that the pinch roller, which compresses handle (7-2), passes through articulated shaft and workbench side wall
Upper hinged seat assembly, the telescopic rod that master arm one end compresses handle drive cylinder (7-3) with pinch roller are connect；Support wheel (the 7-
5) it is mounted on the telescopic rod of support wheel drive cylinder (7-4), is arranged on support wheel (7-5) and is used to form outer protection tube (5) spiral shell
Revolve the groove (7-5-1) of undercut seam (5-1)；The support wheel drive cylinder (7-4) is fixed on workbench (8).
5. heat preservation pipe prefabricated metal outer protection tube rolling forming device according to claim 4, characterized in that the pipe crimping mould
Circle (6) is the annulus of matching molding outer protection tube (5) diameter dimension, and front end contour line is matching outer protection tube (5) screwed holding seam
The helix (6-1) of (5-1).
6. heat preservation pipe prefabricated metal outer protection tube rolling forming device according to any one of claim 1 to 5, feature
It is that it is additionally provided with cutting workpiece mechanism (11), the cutting workpiece mechanism (11) includes plasma cutting machine (11-8), support cross
Beam (11-7), support post (11-6), Mobile base (11-4), sliding rail (11-5) and Mobile base driving unit；The plasma is cut
Cutting mill (11-8) is mounted on the one end support beam (11-7), is located at the top of pipe crimping mould circle (6) outer wall；The support beam (11-7)
On support post (11-6)；The support post (11-6) is fixed on Mobile base (11-4)；Mobile base (the 11-
4) it is mounted on sliding rail (11-5), and equipped with Mobile base driving unit；The Mobile base driving unit is passed equipped with feed screw nut
Dynamic component and servo motor (11-1), the output shaft and leading screw (11-2) in feed screw nut component of the servo motor (11-1) are solid
Fixed connection, the nut (11-3) of the feed screw nut component are fixedly connected with Mobile base (11-4).
7. heat preservation pipe prefabricated metal outer protection tube rolling forming device according to claim 6, characterized in that it is additionally provided with into
Type outer protection tube supporting rack (12)；The molding outer protection tube supporting rack (12) is fixed on level ground, hangs down with plate direction of feed
Straight arrangement, the guide rack (12-1) that setting can be rotated with outer protection tube (5) on molding outer protection tube supporting rack (12), in guide rack
Installation position sensor (12-2) on (12-1).
8. heat preservation pipe prefabricated metal outer protection tube rolling forming device according to claim 7, characterized in that in the work
Control panel (8-1) is set on platform (8) front side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849832.6U CN207642584U (en) | 2017-12-26 | 2017-12-26 | A kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849832.6U CN207642584U (en) | 2017-12-26 | 2017-12-26 | A kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207642584U true CN207642584U (en) | 2018-07-24 |
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ID=62875630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721849832.6U Active CN207642584U (en) | 2017-12-26 | 2017-12-26 | A kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device |
Country Status (1)
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| CN (1) | CN207642584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044320A (en) * | 2017-12-26 | 2018-05-18 | 唐山兴邦管道工程设备有限公司 | A kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device |
| CN115489103A (en) * | 2022-11-18 | 2022-12-20 | 天津市宇刚保温建材有限公司 | Plastic heat preservation pipe penetrating equipment |
-
2017
- 2017-12-26 CN CN201721849832.6U patent/CN207642584U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044320A (en) * | 2017-12-26 | 2018-05-18 | 唐山兴邦管道工程设备有限公司 | A kind of heat preservation pipe prefabricated metal outer protection tube rolling forming device |
| CN115489103A (en) * | 2022-11-18 | 2022-12-20 | 天津市宇刚保温建材有限公司 | Plastic heat preservation pipe penetrating equipment |
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