CN207681333U - Full-automatic steel pipe pipe end sizing mill - Google Patents
Full-automatic steel pipe pipe end sizing mill Download PDFInfo
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- CN207681333U CN207681333U CN201721844146.XU CN201721844146U CN207681333U CN 207681333 U CN207681333 U CN 207681333U CN 201721844146 U CN201721844146 U CN 201721844146U CN 207681333 U CN207681333 U CN 207681333U
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- sizing
- pipe
- steel pipe
- type roller
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Abstract
The utility model is related to a kind of Full-automatic steel pipe pipe end sizing mills, including spaced multiple V-type rollers, the front end of the V-type roller is equipped with storing rack before sizing, storing rack after the rear end installation sizing of V-type roller, it further include fortune pipe travelling platform, transporting pipe travelling platform, the storing rack before sizing is delivered on V-type roller by steel pipe, and after the steel pipe market to sizing that sizing is completed on storing rack；Both ends are symmetrically installed with measurement diameter system and sizing host on the outside of V-type roller；The rear end of sizing host is also equipped with lubricating system, is equipped with hydraulic system on one side, and electrical system is installed in the side of measurement diameter system.The utility model is compact-sized, reasonable, it is easy to operate, the effect that sizing is carried out to pipe end can be easily realized by the mating reaction between fortune pipe travelling platform, V-type roller and sizing host, tube end diameter, the dimensional accuracy of ovality are substantially increased, and work efficiency is high, energy consumption is low, stability is good.
Description
Technical field
The utility model is related to steel pipe's production equipment technical field, especially a kind of Full-automatic steel pipe pipe end sizing mill.
Background technology
It is limited due to length of steel pipe when carrying out pipeline laying outdoors, the docking welding for carrying out steel pipe is needed, when docking
Pipe end unfitness of butt joint size will have a direct impact on the quality of welding.The steel pipe pipe diameter size of specification of the same race is more consistent, unfitness of butt joint when docking
It is more advantageous to welding under more；However since the processes such as steel plate material, molding, welding influence, the steel pipe caliber produced is inclined
Difference is ± 4mm, and maximum ovality reaches 15mm, will spend a large amount of human and material resources in same a collection of steel pipe when constructing outdoors
Select caliber it is almost the same go to dock, to control unfitness of butt joint as possible, such as caliber is all the docking of+4mm, and caliber is all -4mm
Docking.
Pipe end sizing mill is for carrying out expanding, sizing to pipe end that is molded, being welded, making pipe end in a fixed length
Diameter dimension and roundness in degree reach in the range of permission.
Function (principle) describes：Sizing host completes expanding, sizing work, and operation principle is by pipe end inner surface treatment
The steel pipe socket crossed ensures steel pipe and expanding machine central coaxial on expander die.Under the action of hydraulic cylinder, mold is outside
Expansion, acts on pipe diameter, makes pipe wall material along tube wall tension, generates flowing and expands outwardly, to eliminate steel pipe due at
The singularity internal stress that type and welding generate, makes stress be distributed along even tube wall, since the equipment can accurately control the expansion of steel pipe
Tensor, so after expanding, the diameter dimension and circularity of extension diameter section can reach defined precision.
Currently, pipe end sizing mill in the prior art, to be improved to the dimensional accuracy of pipe end sizing；Production efficiency
It is relatively low, the steel pipe before sizing and after sizing will artificially be gone to measure either with or without arrival size claimed range；Not according to production
The steel pipe very important person of same specification is the operating position for adjusting corresponding mechanism component.
Utility model content
The applicant is directed to the disadvantage in above-mentioned existing production technology, provides a kind of Full-automatic steel pipe pipe end reasonable for structure
Sizing mill can realize automation control to outside the basic demand for meeting tube end sizing, and before having a sizing, after sizing
The functions such as outer diameter of steel pipes automatic measurement, data transmission, print data.Full-automatic pipe end sizing mill substantially increase tube end diameter,
The dimensional accuracy of ovality, and work efficiency is high, energy consumption is low, stability is good.
Technical solution used by the utility model is as follows：
A kind of Full-automatic steel pipe pipe end sizing mill, including spaced multiple V-type rollers, the front end installation of the V-type roller
There is a storing rack before sizing, storing rack after the rear end installation sizing of V-type roller, further includes fortune pipe travelling platform, fortune pipe travelling platform will
Steel pipe storing rack before sizing is delivered on V-type roller, and after the steel pipe market to sizing that sizing is completed on storing rack；Position
Both ends are symmetrically installed with measurement diameter system and sizing host on the outside of V-type roller；The rear end of sizing host is also equipped with lubricating system, and one
Side is equipped with hydraulic system, and electrical system is installed in the side of measurement diameter system.
As a further improvement of the above technical scheme：
The structure of the sizing host is：Pedestal is equipped with gantry stand, the top of the gantry stand on the pedestal
Lifting device is installed, calibrating blocks are installed in gantry stand, the calibrating blocks are controlled by oil cylinder, described gantry
Sizing die is installed in the end face of rack by fastener, and sizing cone is equipped in the middle part of the sizing die.
The sizing host is located at same axial location with V-type roller.
The beneficial effects of the utility model are as follows：
The utility model is compact-sized, reasonable, easy to operate, by transporting between pipe travelling platform, V-type roller and sizing host
Mating reaction can easily realize the effect that sizing is carried out to pipe end, substantially increase tube end diameter, the size of ovality essence
Degree, and work efficiency is high, energy consumption is low, stability is good.
The utility model and to be reached after technological requirement plug by the accurate measurement to size before plug
Size, automatically controlled program extrapolates required enlarging rate automatically, and forms closed loop, essence with Baruch's husband's displacement sensor of oil cylinder tail end
The displacement of true control cylinder, to substantially increase the dimensional accuracy of tube end diameter, ovality, caliber after tube end sizing before
Deviation is ± 1.6mm, and maximum ovality reaches 13mm, and caliber deviation is ± 1.1mm after present tube end sizing, and maximum ovality reaches
To 8mm.
The utility model substantially increases production efficiency, before pipe end sizing mill production efficiency 6-7 roots/hour, now may be used
To reach 11-12 roots/hour.
The utility model greatly reduces cost of labor, needs 2 people to operate before, now only needs 1 people and operate.
The utility model is the special equipment on spiral submerged welded pipe production line, it is for the pipe to spiral submerged welded pipe
End carries out expanding, sizing, in the range of so that diameter dimension and roundness of the pipe end in certain length is reached permission.To control
Unfitness of butt joint in specification steel pipe of the same race when arbitrary two pipe ends docking, for follow-up welding quality provides advantageous guarantee.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the vertical view of the utility model.
Fig. 3 is the utility model different size steel pipe high-level schematic on V-type roller.
Fig. 4 is the structural schematic diagram of the utility model sizing host.
Fig. 5 is the side view of Fig. 4.
Wherein：1, sizing host；2, measurement diameter system；3, steel pipe；4, pipe travelling platform is transported；5, lubricating system；6, hydraulic system；
7, electrical system；8, storing rack before sizing；9, storing rack after sizing；10, V-type roller；101, pedestal；102, lifting device；
103, gantry stand；104, calibrating blocks；105, sizing die；106, sizing cone.
Specific implementation mode
Below in conjunction with the accompanying drawings, illustrate specific embodiment of the present utility model.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the Full-automatic steel pipe pipe end sizing mill of the present embodiment, including interval are set
The front end of the multiple V-type rollers 10 set, V-type roller 10 is equipped with storing rack 8 before sizing, is stored up after the rear end installation sizing of V-type roller 10
To expect rack 9, further includes fortune pipe travelling platform 4, by steel pipe 3, storing rack 8 is delivered on V-type roller 10 fortune pipe travelling platform 4 before sizing,
And the steel pipe 3 that sizing is completed is delivered to after sizing on storing rack 9；It is symmetrically installed with and calibrates positioned at 10 outside both ends of V-type roller
System 2 and sizing host 1；The rear end of sizing host 1 is also equipped with lubricating system 5, is equipped with hydraulic system 6 on one side, calibrates and is
The side of system 2 is installed by electrical system 7.
The structure of sizing host 1 is：Pedestal 101 is equipped with gantry stand 103, the top of gantry stand 103 on pedestal 101
Portion is equipped with lifting device 102, and calibrating blocks 104 are equipped in gantry stand 103, and calibrating blocks 104 pass through oil cylinder control
Sizing die 105 is installed in the end face of system, gantry stand 103 by fastener, and 105 middle part of sizing die is equipped with sizing cone
106。
Sizing host 1 is located at same axial location with V-type roller 10.
The utility model mainly by storing rack 9 after storing rack 8, sizing before sizing, fortune pipe travelling platform 4, V-type roller 10,
The compositions such as sizing host 1, measurement diameter system 2, hydraulic system 6 and lubricating system 5, electric control system, equipped with temperature transducer,
Electric heater and independent loops formula cooling system, match to control hydraulic fluid temperature, enable the work well of hydraulic system 6
Make.
Storing rack 8 is to wait for that the steel pipe 3 of sizing stores station before sizing described in the utility model, by fortune pipe travelling platform 4
Automatically sequence on production line the steel pipe 3 come is flowed through to be discharged on rack one by one.
Storing rack 9 is that the steel pipe 3 after the completion of sizing stores station after sizing described in the utility model, traversing by fortune pipe
The complete steel pipe 3 of sizing is transported and is put on rack one by one by vehicle 4 automatically.
Fortune pipe travelling platform 4 described in the utility model is mainly used to that steel pipe 3 is transported to relevant work position automatically.
V-type roller 10 described in the utility model, which is mainly used to automatically be transmitted to steel pipe 3, to be calibrated position, sizing position and goes out
Mouth position.
The operation principle of sizing host 1 described in the utility model is：It is fixed that the steel pipe 3 that pipe end inner surface treatment is crossed is sleeved on
On diameter mold 105, and ensure sizing mill and 3 central coaxial of steel pipe.Under the action of hydraulic cylinder, mold expands outward, effect
In 3 internal diameter of steel pipe, makes pipe wall material along tube wall tension, generate flowing and expand outwardly, to eliminate steel pipe 3 due to being molded and welding
The singularity internal stress of generation makes stress be distributed along even tube wall, since the equipment can accurately control the amount of expansion of steel pipe 3, institute
After sizing, the diameter dimension and circularity of sizing section can reach defined precision.
Gantry stand 103 described in the utility model is the installation carrier of lifting device 102, oil cylinder and calibrating blocks 104,
And provide guiding for its lifting.
Lifting device 102 described in the utility model mainly has decelerating motor, shaft coupling, worm and gear and lead screw screw liter
Descending mechanism forms, for driving calibrating blocks 104 to slide up and down, to adapt to the centering needs of different tube diameters.Lifting device 102 by
G120 Frequency Converter Controls, control unit select CU250S-2DP, and the adjusting for carrying out height and position, while dragon are detected by encoder
Door machine frame 103 is equipped with high-low limit position travel switch, carries out security protection, when lane-change input caliber parameter can be realized from
Dynamic lifting is in place.
Oil cylinder and calibrating blocks 104 described in the utility model
The accurate Baruch's husband's displacement sensor of oil cylinder configuration, accurately controls the flexible displacement of oil cylinder.
Calibrating blocks 104 are mainly used to install module group, and are moved radially for module group and provide guiding and supporting role, week
Circle is equipped with Special spring device at 12, plays the function of module group automatic centering reset, while border is equipped with T-type key and edge at 12
Block plays the role of the slide-and-guide of module group.
The security protection of calibrating blocks 104：
Deceleration is installed close to switch, stopping close to switch in 104 front of calibrating blocks, ensures that steel pipe 3 enters sizing list
Safety and steady, position when member 104 and stopping is accurate；It is mounted on high-strength polyurethane in module group end face simultaneously, prevents steel
The overshoot of pipe 3 hits sizing disk.The scrap scraping plate that material is stainless steel+polyurethane is installed in module group front end face, is stretched in conehead body
It can be swept away falling in dust granule above when contracting, while protective cover being installed in module group, it can be by conehead body circumference side
Effective protection is carried out into 10 o'clock to 2 o'clock.
Measurement diameter system 2 described in the utility model can detect end perimeter before and after 3 sizing of steel pipe, diameter, ovality.
The single-ended detection time is less than one minute (respectively being surveyed before sizing, after sizing primary), if detected value exceeds technology controlling and process allowable range, is
System alarm, after repetition measurement confirms, assisting operating personnel to complete sizing mill has the setting of related parameter.
Two sensors are arranged in measurement diameter system 2, and according to the size of 3 caliber of steel pipe, it is continuously adjustable to calibrate rotary speed.
By the calibration of sensor, make the luminous point (luminous point of this sensor is 1mm x 1.5mm) that each sensor is got
It by the center of circle of basic circle, and measures with the actual range in the center of circle as a reference value, system is according to the measured value and benchmark of sensor
Value calculates actual displacement.
1-10 point is taken according to caliber different interval for 1 degree, the angle which passes through measurement value sensor and rotating actuator
Angle value is bound, and the coordinate value under Y-Z coordinate systems is calculated.After the completion of transmission mechanism rotation, system is obtained 360-3600
Point, and it is fitted the profile to form steel pipe 3, clear out perimeter, diameter, ovality.
Hydraulic station described in the utility model is positioned over pipe end sizing mill neighbouring position, firm stable.The hydraulic station structure
Compact, connection and reasonable arrangement, operation is easy to maintenance, energy saving.System design be respectively adopted the quick moving loop of differential connection with
The quick moving loop of double pump fuel feeding, by low pressure and mass flow pump and high-pressure low-flow pump group at double pump as power source.Oil cylinder
When F.F., simultaneously to system fuel feeding, piston quickly moves two pumps.Oil cylinder work into when, high-pressure low-flow is pumped to system fuel feeding, low
High-capacity pump off-load is pressed, power consumption is reduced, circuit efficiency is high.When oil cylinder return, system uses differential connection mode, improves
The return speed of oil cylinder.The type of cooling is industrial cold oil mechanism cold, and Cool oil machine has independent loops, cooling, heating function, and
And can be communicated with PLC, realize the intelligent control to working oil temperature and monitoring in real time；The location information of oil cylinder is using Baruch husband position
Displacement sensor detects in real time, passes through the positions that can accurately control oil cylinder PLC and the display location information on control screen.Hydraulic pressure
System 6 blocks alarm dress configured with liquid level display, temperature indicator, cleaning hole etc., and equipped with oil temperature, liquid level monitoring, pollution
It sets.
The quick sizing to 3 tube end position of steel pipe may be implemented in this hydraulic system 6.Master cylinder complete F.F., work into, protect
Pressure, off-load, return driving, enough, stable press power is provided for pipe end sizing mill.
Lubricating system described in the utility model is manually fixed by oil feeder by a DRB-P-120 type Motor-driven oil station
When supply lubricating grease.Motor-driven oil station, filter oil feeder, each oil site distributor etc. constitute a grease centralized lubrication system
System.By the way that lubrication time, the reasonable levelling of lubrication pressure and lubricants capacity can ensure that each oil site has suitable lubricating oil.
Electronic control described in the utility model is perfect, reliable, strong antijamming capability；System can electronic noise,
Stable operation in radio frequency interference and the larger environment of vibration, and the stability of system is not reduced.In the control of PLC can to temperature into
Row detection, and temperature value is saved in PLC system, convenient for reading application when follow-up equipment monitoring.
A. SYSTEM SUMMARY
The system is made of sizing mill electric control system and automatic measurement system, and two systems operation interface is integrated in tactile
On control formula industrial personal computer.
Electric control system is mainly passed by Siemens S7-300 PLC, Siemens's G120 frequency converters, Siemens's S120 servos
The compositions such as dynamic, Schneider ATS22 soft straters, Baruch's husband's displacement sensor.
Automatic measurement system is by SICK OD Value series lasers displacement sensor, the touch industrial personal computer of Siemens, analysis
Resolving system forms.
It is connected by PROFIBUS-DP between PLC and control module in electric control system, industrial personal computer in measuring system
It is connected to laser displacement sensor by RS-422.It is connected by Ethernet between two systems.
There are PROFIBUS-DP interfaces to be communicated with other systems on production line for the system, and also there are Ethernets to connect
Mouth can be communicated with L2 systems.
B. working-flow brief introduction
Equipment has manual and full-automatic both of which.Manual mode is used to use when process debugging and equipment fault,
Fully automatic mode for producing automatically.
Fully automatic operation needs to meet：
Electrical system 7 is normal
Hydraulic system 6 is normal
Lubricating system 5 is normal
The typing of 3 specification of steel pipe
Sizing head and measuring apparatus holder have been adjusted in place
Each motion is in initial position
In actual operation, the workflow of fully automatic mode is as follows for the utility model：
A) by PROFIBUS-DP networks, system is read from production line, or is manually currently produced by touch screen input
3 specification of steel pipe, PLC reads preset formulation data, the setting position of elevating mechanism is obtained according to 3 specification of steel pipe, automatic to control
Sizing head and the ring support equipped with laser displacement sensor are adjusted to concentric with steel pipe 3 by elevating mechanism processed.(control lifting
The motor band encoder of mechanism, the height of elevating mechanism is controlled according to the value of feedback of encoder)
B) after steel pipe 3 is transported arrival sizing station by fortune pipe travelling platform 4 before sizing on storing rack 8, PLC controls V-type
Steel pipe 3 is transported to the online diameter measurement position of one end by roller automatically.Online diameter measurement position is equipped with close to switch, close to switch detection
To after pipe end, V-type roller 10 stops, and steel pipe 3 reaches online diameter measurement station.
C) after in place, transmission mechanism rotates clockwise 190 degree, laser displacement sensor in real time by the data of measurement by with
Too net sends analysis resolving system to.After the completion of rotation, resolving system has collected two sensors and corresponding rotating servo motor
The value transmitted, totally 380 degree of data, and two axial coordinate value is converted into according to calibration value.Resolving system is by being fitted, filtering out
360 degree of data, and abnormal point is filtered out, form " circle " closest to 3 outer profile of steel pipe.Resolving system is according to formation
" circle " calculates the data such as 3 perimeter of steel pipe and ovality, the results are shown on touch screen, and is stored in system, and it is single-ended fixed to complete
It is measured before diameter.(measurement method is concentric without steel pipe 3 and rotating mechanism, as long as steel pipe 3 is in laser displacement sensor measurement range
It is interior.)
D) it is measured, PLC controls V-type roller 10, and steel pipe 3 is transported to single-ended sizing position.There are two sizing station dresses
Close to switch, it is respectively used to slow down and stops.After what is slowed down detects tube head close to switch, V-type roller 10 decelerates to 5m/min (can
Practical adjustment according to field condition), stopping detecting pipe end close to switch after, V-type roller 10 stops, to ensure what pipe end stopped
Always stablize in the position of sizing die 105 position.
E) PLC completes single-ended sizing operation (the Baruch husband displacement sensor of tie rod end connection and control according to fixed diameter process
System processed forms closed loop, it is ensured that the accurate and stabilization of sizing amount).
F) PLC controls V-type roller 10, by steel pipe 3 be reversely transported to online diameter measurement position (online diameter measurement position close to switch
V-type roller 10 stops after can't detect steel pipe 3).After in place, system measures the pipe end after sizing, and resolving system is to sizing
Perimeter, ovality afterwards etc. are detected, and judge whether qualification, and send testing result to PLC.It is qualified then continue other one
It calibrates and sizing operation at end；Unqualified, alert notice operating personnel confirm.
G) 3 centralized positioning of steel pipe is automatically performed after the completion of 3 sizing operation of steel pipe, have after down tube condition to fortune pipe travelling platform
4 send out down tube request command, and steel pipe 3 is transported to after sizing on storing rack 9 by fortune pipe travelling platform 4.So far primary full-automatic pipe
The workflow of end sizing mill terminates.
Above description is the explanation to the utility model, is not the restriction to utility model, defined by the utility model
Range is within the protection scope of the utility model referring to claim, can make any type of modification.
Claims (3)
1. a kind of Full-automatic steel pipe pipe end sizing mill, it is characterised in that：Including spaced multiple V-type rollers (10), the V-type
The front end of roller (10) is equipped with storing rack (8) before sizing, and the rear end of V-type roller (10) is installed storing rack (9) after sizing, also wrapped
Fortune pipe travelling platform (4) is included, by steel pipe (3), the storing rack (8) before sizing is delivered on V-type roller (10) fortune pipe travelling platform (4), and
The steel pipe (3) that sizing is completed is delivered to after sizing on storing rack (9)；It is symmetrically installed with positioned at both ends on the outside of V-type roller (10)
Measurement diameter system (2) and sizing host (1)；The rear end of sizing host (1) is also equipped with lubricating system (5), is equipped with hydraulic pressure on one side
System (6), the side installation electrical system (7) of measurement diameter system (2).
2. Full-automatic steel pipe pipe end sizing mill as described in claim 1, it is characterised in that：The structure of the sizing host (1)
For：Pedestal (101) is equipped with gantry stand (103) on the pedestal (101), is equipped at the top of the gantry stand (103)
Lifting device (102) is located in gantry stand (103) and is equipped with calibrating blocks (104), and the calibrating blocks (104) pass through oil
Cylinder controls, and sizing die (105) is installed in the end face of the gantry stand (103) by fastener, in the sizing die (105)
Portion is equipped with sizing cone (106).
3. Full-automatic steel pipe pipe end sizing mill as described in claim 1, it is characterised in that：The sizing host (1) and V-type roller
(10) it is located at same axial location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844146.XU CN207681333U (en) | 2017-12-25 | 2017-12-25 | Full-automatic steel pipe pipe end sizing mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844146.XU CN207681333U (en) | 2017-12-25 | 2017-12-25 | Full-automatic steel pipe pipe end sizing mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207681333U true CN207681333U (en) | 2018-08-03 |
Family
ID=62995755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721844146.XU Active CN207681333U (en) | 2017-12-25 | 2017-12-25 | Full-automatic steel pipe pipe end sizing mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207681333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891098A (en) * | 2017-12-25 | 2018-04-10 | 江苏双友智能装备科技股份有限公司 | Full-automatic steel pipe pipe end sizing mill |
-
2017
- 2017-12-25 CN CN201721844146.XU patent/CN207681333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891098A (en) * | 2017-12-25 | 2018-04-10 | 江苏双友智能装备科技股份有限公司 | Full-automatic steel pipe pipe end sizing mill |
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