CN110355232A - A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine - Google Patents
A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine Download PDFInfo
- Publication number
- CN110355232A CN110355232A CN201910318090.1A CN201910318090A CN110355232A CN 110355232 A CN110355232 A CN 110355232A CN 201910318090 A CN201910318090 A CN 201910318090A CN 110355232 A CN110355232 A CN 110355232A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- profiling
- disk
- profiling roller
- revolves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 138
- 239000010959 steel Substances 0.000 title claims abstract description 138
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 77
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 239000000446 fuel Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 238000003032 molecular docking Methods 0.000 abstract description 23
- 239000003921 oil Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 18
- 238000012545 processing Methods 0.000 description 16
- 238000013519 translation Methods 0.000 description 14
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Earth Drilling (AREA)
Abstract
A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine, belong to steel pipe's production equipment technical field.It is characterized by comprising main transmissions, main transmission includes rotatable disk (1), disk (1) is equipped with interior die device, the interior die device includes several profiling rollers (4), each profiling roller (4) is fixed on a profiling roller pedestal (3), profiling roller pedestal (3) is slidably arranged on disk (1), and profiling roller pedestal (3) can move radially under the driving of profiling roller oil cylinder (37) along disk (1).This steel pipe revolves enlarging system and carries out rotation expansion to pipe joint by profiling roller, substantially increases the machining accuracy of pipe joint, facilitates the docking of steel pipe；This steel pipe revolves enlarging system using electric push device by pushing mandril axial movement, can be avoided the uncontrollable problem of hydraulic oil high temperature；The steel pipe lifting systems force steel pipe lifting of this rotation expansion machine makes steel pipe and steel pipe revolve the disk of enlarging system to just, easy to process.
Description
Technical field
A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine, belong to steel pipe's production equipment technical field.
Background technique
The quick bell-spigot joint steel pipe of integral type is a kind of Novel joint mode, compared with traditional welding, flange form connection,
Have the characteristics that at low cost, easy for construction, joint efficiency is high, flexible flexible.Therefore its at home plumbing, obtain in gas pipeline
Rapidly development.Especially in complicated environmental conditions such as underground pipe gallery, coal mine roadways, narrow space, can not get angry etc. due to,
Its advantage is further embodied.But traditional approach processing and manufacturing is difficult, artificial high production cost, low efficiency, therefore develops
It is particularly important that machine is expanded in a rotation for producing the quick bell-spigot joint steel pipe of integral type.
Summary of the invention
The technical problem to be solved by the present invention is overcoming the deficiencies of the prior art and provide, a kind of processing and manufacturing is easy, produces
At low cost, high production efficiency, the steel pipe rotation enlarging system of high degree of automation and steel pipe revolve expansion machine.
The technical solution adopted by the present invention to solve the technical problems is: the steel pipe revolves enlarging system, it is characterised in that: including
Main transmission, main transmission include rotatable disk, and disk is equipped with interior die device, the interior die device packet
Several profiling rollers are included, each profiling roller is fixed on a profiling roller pedestal, and profiling roller pedestal is slidably arranged on disk, profiling
Roller pedestal can move radially under the driving of profiling roller oil cylinder along disk.
It preferably, further include firm banking, mobile base is arranged in sliding on firm banking, and sliding is equipped with master in mobile base
Transmission system.
Preferably, the mobile base is slided by crossing system drives edge firm banking, and crossing system includes traversing electricity
Machine deceleration unit, by shaft joint band moving gear, mobile base bottom is fixed with to be matched traversing decelerating through motor unit with gear
Rack gear.
Preferably, outer mold device is further fixed in the mobile base, outer mold device includes lower die and upper mold.
Preferably, the lower die is fixed on the lower die seat, and lower die holder is fixed in mobile base, and upper mold is fixed on upper mold
On seat, together with upper die holder and lower die holder are slidably connected by guide post, and pass through die cylinder driving and realize folding fortune up and down
It is dynamic.
Preferably, further include headstock, headstock is slidably arranged in mobile base, disk be mounted on headstock and by
Profiling motor driven.
Preferably, the main transmission is slided into system drive along mobile base by work, work into system include work into
Decelerating through motor unit and ball-screw group.
Preferably, the profiling roller oil cylinder is connected by fixing seat with disk, and realizes fuel feeding by rotary joint.
A kind of steel pipe rotation enlarging system, it is characterised in that: including main transmission, main transmission includes rotatable circle
Disk, disk are equipped with interior die device, and the interior die device includes several profiling rollers, and each profiling roller is fixed on one and imitates
On shape roller pedestal, profiling roller pedestal is slidably arranged on disk, and the side of disk is coaxially arranged with mandril, and mandril is connected with promotion
Its electric push device moved axially, one end of mandril is provided with the promotion for the taper being gradually increased by end to mid diameter
Portion, pushing part push synchronous the moving radially along disk of profiling roller pedestal, and each profiling roller pedestal is respectively connected with its compression of promotion
The spring of pushing part.
Preferably, the profiling roller pedestal is arranged between corresponding spring and pushing part, and spring is far from corresponding imitative
One end of shape roller pedestal is provided with adjusting screw rod, and adjusting screw rod is threadedly coupled with disk, and pushes corresponding spring compression corresponding
Profiling roller.
Preferably, the electric push device includes profiling push rod and adjusts motor, and profiling push rod and mandril are coaxial
Its axial movement is connected and pushes, profiling push rod is lead screw, adjusts motor and is connected with the profiling nut matched with profiling lead screw.
A kind of steel pipe rotation expansion machine, it is characterised in that: revolve enlarging system, steel pipe including steel pipe lifting system and above-mentioned steel pipe
Steel pipe rotation enlarging system is arranged in close to the side of disk in jacking system, and is arranged with steel pipe rotation enlarging system interval.
Preferably, the steel pipe lifting system includes lifting pedestal, and lifting pedestal is equipped with lifting cylinder, lifting cylinder
Top is fixed with V shape roller.
Preferably, steel pipe rotation enlarging system is two sets, is symmetrically arranged.
Compared with prior art, the present invention has the beneficial effects that
1, this steel pipe rotation enlarging system carries out rotation expansion to pipe joint by profiling roller, substantially increases the processing essence of pipe joint
Degree, so that male connector can be made quickly smoothly to be inserted into female, that is, facilitate pair of steel pipe in the quick socket joint docking of steel pipe
It connects, also avoids due to the sealing at coupling error larger impact coupling.
2, mobile base is slidably fitted on firm banking, be slidably installed main transmission in mobile base, that is, facilitates
The installation of steel pipe, and facilitate the feeding of profiling roller, it is easy to use, drive mobile base mobile by traverse displacement unit, it can be achieved that
The processing of different length steel pipe.
3, mobile base is driven by traversing decelerating through motor unit, and realizes translation, transmission by the engagement of gear and rack gear
Accurately, it ensure that mobile base translation is stablized.
4, be provided with profile mould in mobile base, by adjusting position of the profiling roller on disk and replacement different tube diameters outside
The upper and lower mould of die device, it can be achieved that different tube diameters steel pipe processing；Pass through the profiling roller and outer mold of die device in replacing
The upper and lower mould of device, it can be achieved that different types of joint geometry processing, profile mould oil cylinder pushing upper mold is mobile, to realize
The die sinking and molding of upper die and lower die, it is easy to use.
5, guide post can be oriented to the lifting of upper die holder, guarantee upper die and lower die to just, avoid to generation processing
Steel pipe damages.
6, disk is driven by profiling motor, realizes the rotation of disk, relatively rotates profiling roller and steel pipe, is realized pair
The rotation of steel tube head is expanded.
7, work drives main transmission to slide along mobile base into decelerating through motor unit by ball-screw group, transmission essence
Really, the feeding of disk and profiling roller is facilitated.
8, profiling roller oil cylinder realizes that fuel feeding, fuel feeding are convenient by rotary joint.
9, this steel pipe rotation enlarging system pushes mandril axial movement, and the promotion for passing through mandrel ends using electric push device
Portion pushes profiling roller pedestal to move radially along disk, can be avoided the uncontrollable problem of hydraulic oil high temperature, and spring pushes profiling
Roller pedestal compresses pushing part, ensure that the movement of profiling roller pedestal is more accurate.
10, adjusting screw rod is capable of the pressure of adjustment spring, avoids error occur due to spring aging.
11, adjusting motor is cooperated by profiling push rod and profiling nut, pushes mandril axial movement, and transmission is more accurate,
And the distance of convenient accurate control mandril axial movement.
12, the steel pipe lifting systems force steel pipe lifting of this rotation expansion machine makes steel pipe and steel pipe revolve the disk of enlarging system to just,
It is easy to process.
13, lifting cylinder pushes the lifting of V-arrangement roller, and drives steel pipe lifting, conveniently makes steel pipe and disk to just, and then conveniently
Profiling roller protrudes into the end of steel pipe.
14, steel pipe rotation enlarging system has two sets, can revolve and expand to the both ends of steel pipe simultaneously, No. one time steel pipe two can be completed in feeding
The rotation at end is expanded, and process velocity is fast.
Detailed description of the invention
Fig. 1 is the schematic front view that steel pipe revolves enlarging system.
Fig. 2 is the left view schematic diagram of disk.
Fig. 3 is the partial enlarged view in Fig. 2 at A.
Fig. 4 is the main view schematic cross-sectional view of disk.
Fig. 5 is the main view schematic cross-sectional view for the feed mechanism that steel pipe revolves enlarging system.
Fig. 6 is the left view schematic cross-sectional view for the feed mechanism that steel pipe revolves enlarging system.
Fig. 7 is the left view schematic diagram for the translation mechanism that steel pipe revolves enlarging system.
Fig. 8 is the main view schematic cross-sectional view of pipeline docking structure.
Fig. 9 is the partial enlarged view in Fig. 8 at B.
Figure 10 is the schematic front view that steel pipe revolves enlarging system in embodiment 2.
Figure 11 is the right side view for the translation mechanism that steel pipe revolves enlarging system in embodiment 2.
In figure: 1, disk 2, guide plate 3, profiling roller pedestal 4, profiling roller 5, spring 6, mandril 7, adjusting
Screw rod 8, profile mould 801, upper mold 802, lower die 9, die cylinder 10, profiling motor 11, band-type brake 12, movement
Pedestal 13, feeding frame 14, work into decelerating through motor unit 15, lifting pedestal 16, lifting cylinder 17, V-arrangement roller 18,
Upper die holder 19, feed screw 20, feed nut 21, rack gear 22, plate rail 23, V-arrangement rail 24, traversing decelerating through motor
Unit 25, translation shaft 26, gear 27, translating rails 28, lower die holder 29, firm banking 30, guide post
31, male connector 32, female 3201, seal groove 3202, detection hole 33, clip 34, v-ring 35, the sealing of O shape
Circle 36, steel pipe 37, profiling roller oil cylinder 38, fixing seat 39, headstock 40, gear set 41, gear pedestal 42,
Traverse displacement unit pedestal.
Specific embodiment
Fig. 1 ~ 9 are highly preferred embodiment of the present invention, and 1 ~ 11 the present invention will be further described with reference to the accompanying drawing.
Embodiment 1
A kind of steel pipe rotation enlarging system, including main transmission, main transmission include rotatable disk 1, and disk 1 is equipped with interior
Die device, interior die device include several profiling rollers 4, and each profiling roller 4 is fixed on a profiling roller pedestal 3, profiling roller
Pedestal 3 is slidably arranged on disk 1, and the side of disk 1 is coaxially arranged with mandril 6, and mandril 6, which is connected with, pushes its axial movement
Electric push device, one end of mandril 6 are provided with the pushing part for the taper being gradually increased by end to mid diameter, and pushing part pushes away
Dynamic profiling roller pedestal 3 synchronizes moving radially along disk 1, and each profiling roller pedestal 3, which is respectively connected with, pushes it to compress pushing part
Spring 5.This steel pipe revolves enlarging system and pushes mandril 6 to move axially using electric push device, and passes through the pushing part of 6 end of mandril
It pushes profiling roller pedestal 3 to move radially along disk 1, can be avoided the uncontrollable problem of hydraulic oil high temperature, spring 5 pushes profiling
Roller pedestal 3 compresses pushing part, ensure that the movement of profiling roller pedestal 3 is more accurate, is revolved by profiling roller 4 to pipe joint
Expand, substantially increase the machining accuracy of pipe joint, to male connector 31 can be made quickly suitable in the docking of the quick socket joint of steel pipe 36
In smooth insertion female 32, that is, the docking of steel pipe 36 is facilitated, also avoided close due to connector error larger impact joint
Envelope.
The present invention will be further described combined with specific embodiments below, however persons familiar with the art it is to be appreciated that
Here in connection with the detailed description that attached drawing provides be in order to preferably explain, structure of the invention necessarily have exceeded it is limited these
Embodiment, and for some equivalents or common approach, it is no longer described in detail herein, but still fall within the guarantor of the application
Protect range.
As shown in Fig. 1 ~ 4: at least one profiling roller 4 on disk 1, profiling roller 4 are slidably mounted on the side of disk 1, imitate
Shape roller 4 is connected with the electric push device for driving it to move radially to disk 1, and the axis of profiling roller 4 is parallel with the axis of disk 1
Or intersection.This pipeline rotation expand disk disk 1 drive profiling roller 4 around disk 1 axis rotate, so as to pipe joint into
Row rotation is expanded, and is cooperated the profile mould 8 outside pipeline, the machining accuracy of pipe joint is substantially increased, thus in the quick socket joint of steel pipe 36
When docking, male connector 31 can be made quickly smoothly to be inserted into female 32, that is, facilitate the docking of steel pipe 36, also avoid due to steel
Sealing at pipe fitting error larger impact coupling.
The middle part of disk 1 is coaxially arranged with through-hole, and profiling roller 4 is slidably mounted on the side of disk 1, and electric push device is set
It sets in the other side of disk 1, mandril 6 is co-axially located in the through-hole of disk 1.The same of disk 1 is arranged in mandril 6 in power device
Side, electric push device are connected with mandril 6 and mandril 6 are pushed to move axially.The one end of mandril 6 far from electric push device is
By the pushing part for the taper that end to mid diameter is gradually reduced, electric push device pushes mandril 6 to move axially, mandril 6
Pushing part pushes the moving radially along disk 1 of profiling roller 4.Each profiling roller 4 is respectively connected with the spring for pushing it to compress pushing part
5, profiling roller 4 is arranged between corresponding spring 5 and mandril 6.
Electric push device includes profiling push rod and adjusts motor, and mandril 6 is arranged in far from profiling roller 4 in profiling push rod
One end, profiling push rod and mandril 6 are coaxially connected and keep synchronizing moving, and profiling push rod is lead screw, adjust the output shaft of motor with
Profiling push rod is arranged in parallel, and the output shaft for adjusting motor is connected with the profiling nut of synchronous rotation, profiling nut and profiling
Push rod is meshed, so that mandril 6 be pushed to move axially.Compared with using oil cylinder pushing, it can be avoided by adjusting motor pushing
The uncontrollable problem of hydraulic oil high temperature, and control accurate.Electric push device can also for electric threaded shaft and with it is electronic
The profiling nut that lead screw matches, and profiling nut is fixedly installed.Electric push device can also be electric pushrod, or
Oil cylinder
Profiling roller 4 can be set one, can also around disk 1 axis have uniformly at intervals it is multiple, in the present embodiment, profiling
Roller 4 uniformly at intervals there are two, to guarantee that the power expanded the profiling of round tube rotation is symmetrical, can either guarantee the rotation of disk 1 more
Stablize, and can guarantee that the processing to pipe end is more accurate.
Profiling roller 4 is mounted on disk 1 by profiling roller pedestal 3, and the axis of profiling roller 4 is parallel with the axis of disk 1 to be set
It sets, side of the disk 1 far from electric push device is arranged in profiling roller pedestal 3, and profiling roller pedestal 3 is arranged in parallel with disk 1, imitates
Profiling roller pedestal 3 and profiling roller 4 correspond, and profiling roller 4 is rotatably installed in one of corresponding profiling roller pedestal 3 far from disk 1
Side, profiling roller pedestal 3 are slidably mounted on disk 1.Profiling roller pedestal 3 is affixed close to one end of the axis of disk 1 with pushing part
It closing, it is preferred that profiling roller pedestal 3 is skewed to match with the pushing part of mandril 6 close to one end of the axis of disk 1, and
It is slidably connected with the pushing part of mandril 6.The axis of profiling roller 4 can also intersect with the axis of disk 1.
Guide plate 2 is symmetrically installed on the disk 1 of the two sides of every piece of profiling roller pedestal 3, guide plate 2 is along corresponding profiling
The glide direction of roller pedestal 3 is arranged, and forms profiling roller guide groove, and profiling roller pedestal 3 is slidably mounted on corresponding profiling roller guide
In slot, guide plate 2 is oriented to corresponding profiling roller pedestal 3, guarantees that corresponding profiling roller pedestal 3 is flat along the radial direction of disk 1
It moves, the profiling roller 4 when processing to pipe head is avoided to be subjected to displacement, influence the precision of the pipe head of processing.
The every piece of side of guide plate 2 far from disk 1 is to profiling roller guide groove inner bending, to compress corresponding profiling roller
Pedestal 3 guarantees 3 rectilinear translation of profiling roller pedestal, and then ensure that machining accuracy.
Each profiling roller pedestal 3 is provided with adjusting screw rod 7 far from one end of 1 axis of disk, and adjusting screw rod 7 is along disk 1
Be arranged radially, adjusting screw rod 7 is threadedly coupled with disk 1, the setting of spring 5 corresponding adjusting screw rod 7 and profiling roller pedestal 3 it
Between, adjusting screw rod 7 is capable of the elastic force of adjustment spring 5, to avoid that profiling roller pedestal 3 is caused to be detached from mandril due to 5 aging of spring
6。
Steel pipe rotation enlarging system further includes firm banking 29, and sliding is provided with mobile base 12, mobile bottom on firm banking 29
Feeding frame 13 is installed, feeding frame 13 is slidably mounted in mobile base 12, and feeding frame 13 is connected with its movement of promotion on seat 12
Work into system, mobile base 12 is slidably mounted on firm banking 29, mobile base 12 be connected with push its translation it is traversing
System.Profile mould 8 is annular.Headstock 39 is installed on feeding frame 13, disk 1 is rotatably installed on headstock 39.
Disk 1 is vertically arranged, and mandril 6 is slidably mounted on feeding frame 13, and disk 1 and mandril 6 are with the feeding same stepping of frame 13
It gives, and feeds frame 13 and translated along the axis direction of disk 1, disk 1 is connected with the profiling motor 10 for driving its rotation.Profiling motor
10 are mounted on feeding frame 13, and the output shaft of profiling motor 10 is connected with disk 1 and disk 1 is driven to rotate, profiling motor 10
Output shaft on be additionally provided with band-type brake 11, so as to assist profiling motor 10 to stop operating.It is also equipped in mobile base 12
Profile mould 8, profile mould 8 and disk 1 are coaxially disposed.The output shaft of profiling motor 10 drives disk 1 to rotate by gear set 40.
As shown in Fig. 5 ~ 7: work includes work into decelerating through motor unit 14 and screw pair into system, and work is into motor reducer
Group 14 is mounted in mobile base 12, and the one end of mobile base 12 far from disk 1, and work is arranged in into decelerating through motor unit 14 in work
Axis into the axis and disk 1 of the output shaft of decelerating through motor unit 14 is arranged in parallel.Be rotatably equipped in mobile base 12 into
To lead screw 19, the axis of the axis and disk 1 of feed screw 19 is arranged in parallel, and feed screw 19 is arranged under feeding frame 13
The output shaft of side, work into decelerating through motor unit 14 is connected with feed screw 19, and feed screw 19 is driven to rotate.Feed frame 13
Downside is provided with the feed nut 20 being meshed with feed screw 19, forms screw pair, screw pair is preferably ball
Lead screw group, feed nut 20 are fixedly connected with feeding frame 13 and drive feeding 13 synchronizing moving of frame.
The upside of mobile base 12 is equipped with feeding guide rail, and feeding frame 13 is slidably mounted in feeding guide rail.Feeding guide rail
Plate rail 22 and V-arrangement rail 23 including being symmetricly set on 12 two sides of mobile base, plate rail 22 and V-arrangement rail 23 edge are parallel to disk 1
Axis direction setting, to can either be oriented to the movement of feeding frame 13, and can be avoided feeding frame 13 and mobile
The displacement that the axis direction perpendicular to disk 1 occurs between pedestal 12, ensure that machining accuracy.
Crossing system includes traversing decelerating through motor unit 24, and traversing decelerating through motor unit 24 is mounted on firm banking 29 1
Side, traversing decelerating through motor unit 24 are mounted on traverse displacement unit pedestal 42.Traversing decelerating through motor unit 24 is arranged in mobile base
The output shaft of 12 side, traversing decelerating through motor unit 24 is horizontally disposed towards mobile base 12, and traversing decelerating through motor unit
The axis of 24 output shaft is vertical with the axis of disk 1, and translation shaft 25 is rotatably equipped on firm banking 29, translates shaft 25
It is horizontally disposed, and the axis for translating shaft 25 is vertical with the axis of disk 1, translation shaft 25 and traversing decelerating through motor unit 24
Output shaft is connected.Transmission shaft is provided between translation shaft 25 and traversing decelerating through motor unit 24, one end of transmission shaft passes through ten thousand
It is connected to shaft coupling with translation shaft 25, the other end passes through the output shaft phase of Hooks coupling universal coupling and traversing decelerating through motor unit 24
Even, to reduce the installation difficulty of traversing decelerating through motor unit 24.
Rack gear 21 is provided on the downside of the middle part of mobile base 12, rack gear 21 is arranged along the direction for the axis for being parallel to disk 1,
Rack gear 21 is mounted on the downside of mobile base 12.Gear 26, gear 26 and translation shaft 25 are coaxially installed in translation shaft 25
It rotates synchronously, gear 26 is arranged in the downside of rack gear 21 and is meshed with rack gear 21, to realize the translation of mobile base 12.
The two sides of firm banking 29 are symmetrically arranged with translating rails 27, and mobile base 12 is slidably mounted on translating rails 27
On, so as to guarantee that mobile base 12 moves linearly, and then it ensure that the rotation to pipe head is expanded.
Profile mould 8 includes upper mold 801 and lower die 802, and upper mold 801 is mounted on 18 downside of upper die holder, and lower die 802 is mounted on down
28 upside of die holder, and upper mold 801 and lower die 802 are encircled into circle.The setting of upper die holder 18 is on the upside of lower die holder 28, and upper die holder 18
It is connected with lower die holder 28 by guide post 30, the two sides of lower die holder 28 are symmetrically arranged with vertical guide post 30, upper die holder 18
Two sides are symmetrically arranged with pilot hole, and the top of guide post 30 is slidably arranged in the pilot hole of respective side, guarantee mold alignment.On
Die cylinder 9 is provided between die holder 18 and lower die holder 28, die cylinder 9 has two for being symmetricly set on 28 two sides of lower die holder,
Die cylinder 9 is mounted on lower die holder 28, and die cylinder 9 is vertically arranged, and the piston rod of die cylinder 9 is corresponding with upper die holder 18
Side is connected, so that upper die holder 18 be pushed to go up and down, realizes the molding of profile mould 8.Upper mold 801 and lower die 802 are encircled into and circle
The circle that disk 1 is coaxially disposed.
The present invention also provides a kind of rotation expansion machines, revolve enlarging system, steel pipe liter including steel pipe lifting system and above-mentioned steel pipe
Steel pipe rotation enlarging system is arranged in close to the side of disk 1 in drop system, and is arranged with steel pipe rotation enlarging system interval.The steel of this rotation expansion machine
Pipe jacking system pushes steel pipe lifting, and steel pipe and steel pipe is made to revolve the disk of enlarging system to just, easy to process.
Side of the profile mould 8 far from disk 1 is arranged in steel pipe lifting system, and steel pipe rotation enlarging system has spaced two
A, the setting of steel pipe lifting system is between two steel pipe rotation enlarging systems, and steel pipe lifting system, at least provided with one, steel pipe revolves
The profile mould 8 of enlarging system is arranged in steel pipe lifting system.The steel pipe lifting system of this rotation expansion machine can supporting steel pipe 36, match
The steel pipe for closing steel pipe lifting system two sides revolves enlarging system, while carrying out rotation expansion to two ends of steel pipe 36, processes to steel pipe 36
Precision it is high, in steel pipe docking, male connector 31 can smoothly be inserted into female 32, also have low production cost, high production efficiency,
The advantages that processing and manufacturing is easy, applicability is wide.
Steel pipe revolves enlarging system and steel pipe lifting system corresponds, and steel pipe rotation enlarging system has symmetrically arranged two, steel pipe
Jacking system setting is between two steel pipe rotation enlarging systems, and the disk 1 of steel pipe rotation enlarging system is close to corresponding steel pipe lifting system
System setting, steel pipe lifting system is close to the rotation enlarging system setting of corresponding steel pipe.
Steel pipe lifting system includes lifting pedestal 15, and lifting cylinder 16 is equipped on lifting pedestal 15, and lifting cylinder 16 pushes up
Portion is equipped with V-arrangement roller 17, and lifting cylinder 16 is vertically provided on lifting pedestal 15, and the piston rod of lifting cylinder 16 is arranged upward, V
The setting of shape roller 17 is mounted on the piston rod of lifting cylinder 16, is treated by V-arrangement roller 17 in 16 upside of lifting cylinder, V-arrangement roller 17
The pipeline of processing is supported.
This rotation expansion machine is mainly used for the processing of steel tube head, and the working method for revolving expansion machine is as follows: first by steel to be processed
Pipe is placed on the V-arrangement roller 17 of two steel pipe lifting systems, and the height of steel pipe, crossing system are then adjusted by lifting cylinder 16
The direction for driving mobile base 12 to close pipe head is mobile, and two profile moulds 8 is made to clamp the corresponding one end of steel pipe respectively,
Work drives disk 1 to the corresponding end movement of close steel pipe into system, and protrudes into profiling roller 4 in the corresponding end of pipeline, electricity
Dynamic pushing meanss push mandril 6 to steel in-pipe, and profiling roller 4 is made to compress steel tube head inner wall, then 10 band of profiling motor
Dynamic disk 1 rotates, and profiling roller 4 matches processing to steel pipe 36 with the profile mould 8 of respective side, and machining accuracy is high.
As shown in Fig. 8 ~ 9: revolving enlarging system by above-mentioned pipeline and process male connector 31 and female 32,31 He of male connector on pipeline
Female 32 is connected with corresponding pipeline respectively, and the diameter of male connector 31 and female 32 is respectively greater than the diameter of corresponding pipeline, public
First 31 protrude into female 32, are arranged at intervals with multiple seal grooves 3201 around 32 inner wall of female, are all provided in each seal groove 3201
It is equipped with sealing ring, the sealing ring at least one seal groove 3201 is v-ring 34.The female 32 of this pipeline docking structure
It is all larger than corresponding pipeline with the diameter of male connector 31, facilitates the docking of pipeline, and will not be to the conveying speed of pipeline after docking
It counteracts, furthermore can also facilitate the fastening of female 32 and male connector 31, and can be by the pressing force pair of soil when being embedded in underground
Male connector 31 and female 32 compress, and avoid male connector 31 and female 32 from disengaging under pressure, then leak, sealing ring has more
It is a, it is multi-layer sealed so as to be formed, it avoids leaking, at least one sealing ring is v-ring 34, when pressurizeing in pipeline, V
Shape sealing ring 34 can deformation occurs, thus even closer reliable with being bonded for female 32 and male connector 31, sealing effect is good, will not
It leaks, improves service life.
31 one end of male connector and corresponding pipeline integrally connected, the other end are the open end of male connector 31, male connector 31 with it is corresponding
Pipeline coaxial arrangement.One end of female 32 is wholely set with corresponding pipeline, the other end be female 32 open end, female 32 with
Corresponding pipeline coaxial arrangement.The open end of male connector 31 is protruded into female 32 by the open end of female 32 and is coaxially set with female 32
It sets.
It is provided with male connector docking section between male connector 31 and corresponding pipeline, passes through male connector between male connector 31 and corresponding pipeline
Docking section smoothly transits, and male connector docking section is the taper being gradually reduced along the orient diameter close to corresponding pipeline, avoids the occurrence of
Stress is concentrated, and the bonding strength of male connector 31 with corresponding pipeline is improved.Female is provided between female 32 and corresponding pipeline
Docking section is smoothly transitted between female 32 and corresponding pipeline by female docking section, and female docking section is along close to corresponding
The taper that the orient diameter of pipeline is gradually reduced avoids the occurrence of stress concentration, improves the connection of female 32 with corresponding pipeline
Intensity.
The open end of male connector 31 is equipped with the choke that diameter is less than mid diameter, and choke is along the middle part of male connector 31 to end
The taper that the orient diameter in portion is gradually reduced, the diameter that the open end of female 32 is equipped with are greater than the expansion mouth of the diameter at middle part, expand
Oral area is the taper that the orient diameter along middle part to the end by female 32 is gradually increased, to facilitate in docking by male connector 31
It protrudes into female 32, docking is convenient.And the choke of male connector 31 is matched with the female docking section of female 32, it can be to male connector 31
It is limited, has further facilitated docking for male connector 31 and female 32.
Inner wall around female 32 is arranged at intervals with multiple seal grooves 3201, is provided with sealing in each seal groove 3201
Circle avoids leaking so that formation is multi-layer sealed by sealing between female 32 and male connector 31.Outer wall around female 32 is set
It is equipped with the sealing of middle part evagination, sealing and seal groove 3201 correspond, and seal groove 3201 is arranged in corresponding sealing
On the inside of portion, so that the intensity to female 32 be avoided to impact.
In the present embodiment, seal groove 3201 is arranged at intervals with two along the axis direction of female 32, each seal groove
Sealing ring is provided in 3201.It is provided with v-ring 34 in the seal groove 3201 of the open end of male connector 31, another
O-ring seals 35 are provided in seal groove 3201, when injection pressure medium in pipeline, v-ring 34 under pressure
Can deformation occurs, to be bonded with male connector 31 and female 32 even closer, and pressure is bigger, and the deformation of v-ring 34 is bigger,
Sealing effect is better, so that male connector 31 is avoided to leak under pressure with female 32, O-ring seals 35 and v-seal
Circle 34 forms double-layer seal, further improves sealing effect.
Detection hole 3202 is provided in female 32 between two seal grooves 3201, detection hole 3202 runs through the pipe of female 32
Wall setting, after the completion of male connector 31 is docked with female 32, injects high pressure between female 32 and male connector 31 by detection hole 3202
Water, it may be convenient to detect the leakproofness of two sealing rings, when detection is easy to operate, and detection effect is good, and convenient pair
It is further between male connector 31 and female 32 to be repaired.
In the present embodiment, male connector 31 and female 32 are mainly used for exposed use, therefore set between female 32 and male connector 31
It is equipped with clip 33, the both ends of clip 33 are the taper that the orient diameter along middle part to end is gradually reduced, the both ends of clip 33
It is matched respectively with male connector docking section and female docking section, to fix to male connector 31 and female 32, guarantees 31 He of male connector
Female 32 is docked securely, and male connector 31 and female 32 when being sent into high-pressure medium in pipeline is avoided to disengage.
Clip 33 is along the circumferential direction divided into two sections, and both ends clip 33 is removably connected by bolt, to facilitate
The setting of clip 33.
Embodiment 2
As shown in Figure 10 ~ 11: sliding setting mobile base 12, mobile base 12 are consolidated by crossing system drives edge on firm banking 29
Determine the sliding of pedestal 29, crossing system includes traversing decelerating through motor unit 24, and traversing decelerating through motor unit 24 is fixed on traverse displacement unit
On pedestal 42, traversing decelerating through motor unit 24 is by shaft joint with the gear 26 on moving gear pedestal 41,12 bottom of mobile base
It is fixed with the rack gear 21 matched with gear 26.In mobile base 12 sliding be equipped with main transmission, main transmission by work into
System drive is slided along mobile base 12, work into system include work into decelerating through motor unit 14 and ball-screw group.Main transmission
System includes headstock 39, and headstock 39 is slidably arranged in mobile base 12, and disk 1 is mounted on headstock 39 and by profiling electricity
Machine 10 drives, and profiling motor 10 is equipped with band-type brake 11.Disk 1 is equipped with interior die device, and interior die device includes several profilings
Roller 4, each profiling roller 4 are fixed on a profiling roller pedestal 3, and profiling roller pedestal 3 is slidably arranged on disk 1, profiling roller bottom
Seat 3 can move radially under the driving of profiling roller oil cylinder 37 along disk 1, and profiling roller oil cylinder 37 passes through fixing seat 38 and 1 phase of disk
Connection, and fuel feeding is realized by rotary joint；Outer mold device is further fixed in mobile base 12, outer mold device includes lower die
802 and upper mold 801, lower die 802 be fixed on lower die holder 28, lower die holder 28 is fixed in mobile base 12, and upper mold 801 is fixed on
Together with upper die holder 18, upper die holder 18 and lower die holder 28 are slidably connected by guide post 30, and realized by the driving of die cylinder 9
Upper and lower open and close movement.
When work, steel pipe 36 is put on the V-arrangement roller 17 of jacking system, under the drive of lifting cylinder 16, V-arrangement roller 17 will
Steel pipe 36 is lifted to rotation expansion machine center (i.e. 1 center of disk), and the lower die 802 and upper mold 801 of outer mold device are in mould
It is opened under the action of tool oil cylinder 9；Traversing decelerating through motor unit 24 acts, and drives mobile bottom by the engagement of gear 26 and rack gear 21
Seat 12 advances, and enters the steel pipe 36 on V-arrangement roller 17 between two sets of lower dies 802 and upper mold 801, and lifting cylinder 16 is fallen, under
Mould 802 and upper mold 801 are in effect closure clamping 36 one end of steel pipe of die cylinder 9；Work drives main biography into decelerating through motor unit 14
Dynamic system is advanced, and so that the profiling roller 4 of interior die device is inserted into this end of steel pipe 36, profiling motor 10 starts, defeated by gear set 40
Enter the deceleration of headstock 39, and be output to disk 1, realizes that the rotary motion of disk 1, the rotation of disk 1 drive interior die device rotation,
Profiling roller 4, which radially expands in steel pipe 36 under the driving of profiling roller oil cylinder 37 and realizes that rotation is expanded under the cooperation of outer die device, to be added
Work；After completion of processing is expanded in rotation, main transmission is retracted, and the profiling roller 4 of interior die device is driven to retract, and lifting cylinder 16 rises will
Steel pipe 36 rises, and lower die 802 and upper mold 801 are opened, and mobile base 12 is retracted, and lifting cylinder 16 is fallen after rise, the steel pipe on V-arrangement roller 17
36 fall, and the steel pipe 36 of completion of processing is removed.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But without departing from the technical solutions of the present invention, according to the technical essence of the invention to above embodiments institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection scope of technical solution of the present invention.
Claims (14)
1. a kind of steel pipe revolves enlarging system, it is characterised in that: including main transmission, main transmission includes rotatable disk
(1), disk (1) is equipped with interior die device, and the interior die device includes several profiling rollers (4), and each profiling roller (4) is solid
It is scheduled on a profiling roller pedestal (3), profiling roller pedestal (3) is slidably arranged on disk (1), and profiling roller pedestal (3) is in profiling
It can be moved radially along disk (1) under the driving of roller oil cylinder (37).
2. steel pipe according to claim 1 revolves enlarging system, it is characterised in that: further include firm banking (29), firm banking
(29) mobile base (12) are arranged in sliding on, and sliding is equipped with main transmission in mobile base (12).
3. steel pipe according to claim 2 revolves enlarging system, it is characterised in that: the mobile base (12) is by crossing system
Drives edge firm banking (29) sliding, crossing system includes traversing decelerating through motor unit (24), traversing decelerating through motor unit (24)
By shaft joint band moving gear (26), mobile base (12) bottom is fixed with the rack gear (21) matched with gear (26).
4. steel pipe according to claim 2 revolves enlarging system, it is characterised in that: be further fixed in the mobile base (12)
Outer mold device, outer mold device include lower die (802) and upper mold (801).
5. steel pipe according to claim 4 revolves enlarging system, it is characterised in that: the lower die (802) is fixed on lower die holder
(28) on, lower die holder (28) is fixed on mobile base (12), and upper mold (801) is fixed on upper die holder (18), upper die holder (18)
Together with being slidably connected with lower die holder (28) by guide post (30), and folding fortune up and down is realized by die cylinder (9) driving
It is dynamic.
6. steel pipe according to claim 2 revolves enlarging system, it is characterised in that: further include headstock (39), headstock (39)
It is slidably arranged on mobile base (12), disk (1) is mounted on headstock (39) and is driven by profiling motor (10).
7. steel pipe according to claim 2 revolves enlarging system, it is characterised in that: the main transmission is driven by work into system
It is dynamic to be slided along mobile base (12), work into system include work into decelerating through motor unit (14) and ball-screw group.
8. steel pipe according to claim 1 revolves enlarging system, it is characterised in that: the profiling roller oil cylinder (37) passes through fixation
Seat (38) is connected with disk (1), and realizes fuel feeding by rotary joint.
9. a kind of steel pipe revolves enlarging system, it is characterised in that: including main transmission, main transmission includes rotatable disk
(1), disk (1) is equipped with interior die device, and the interior die device includes several profiling rollers (4), and each profiling roller (4) is solid
It is scheduled on a profiling roller pedestal (3), profiling roller pedestal (3) is slidably arranged on disk (1), and the side of disk (1) is coaxially set
It is equipped with mandril (6), mandril (6) is connected with the electric push device for pushing its axial movement, and one end of mandril (6) is provided with by holding
The pushing part for the taper that portion to mid diameter is gradually increased, pushing part push profiling roller pedestal (3) synchronous radial direction along disk (1)
Mobile, each profiling roller pedestal (3) is respectively connected with the spring (5) for pushing it to compress pushing part.
10. steel pipe according to claim 9 revolves enlarging system, it is characterised in that: the profiling roller pedestal (3) is arranged right
Between the spring (5) answered and pushing part, spring (5) is provided with adjusting screw rod far from one end of corresponding profiling roller pedestal (3)
(7), adjusting screw rod (7) is threadedly coupled with disk (1), and corresponding spring (5) is pushed to compress corresponding profiling roller (4).
11. steel pipe according to claim 9 revolves enlarging system, it is characterised in that: the electric push device includes profiling
Push rod and adjusting motor, profiling push rod is coaxially connected with mandril (6) and pushes its axial movement, and profiling push rod is lead screw, adjusts
Section motor is connected with the profiling nut matched with profiling lead screw.
12. a kind of steel pipe revolves expansion machine, it is characterised in that: described in any item including steel pipe lifting system and claim 1 ~ 11
Steel pipe revolves enlarging system, and the setting of steel pipe lifting system revolves enlarging system close to the side of disk (1), and with steel pipe in steel pipe rotation enlarging system
Interval setting.
13. steel pipe according to claim 12 revolves expansion machine, it is characterised in that: the steel pipe lifting system includes lifting bottom
Seat (15), lifting pedestal (15) are equipped with lifting cylinder (16), are fixed with V shape roller (17) at the top of lifting cylinder (16).
14. steel pipe according to claim 12 revolves expansion machine, it is characterised in that: the steel pipe rotation enlarging system is two sets, left
The right side is arranged symmetrically.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810674705X | 2018-06-27 | ||
| CN201810674705.XA CN108941244A (en) | 2018-06-27 | 2018-06-27 | The quick bell-spigot joint steel pipe of integral type revolves expansion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110355232A true CN110355232A (en) | 2019-10-22 |
Family
ID=64487077
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810674705.XA Pending CN108941244A (en) | 2018-06-27 | 2018-06-27 | The quick bell-spigot joint steel pipe of integral type revolves expansion machine |
| CN201920538760.6U Active CN210131934U (en) | 2018-06-27 | 2019-04-19 | Steel pipe expands system and steel pipe expands machine soon |
| CN201910318090.1A Pending CN110355232A (en) | 2018-06-27 | 2019-04-19 | A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810674705.XA Pending CN108941244A (en) | 2018-06-27 | 2018-06-27 | The quick bell-spigot joint steel pipe of integral type revolves expansion machine |
| CN201920538760.6U Active CN210131934U (en) | 2018-06-27 | 2019-04-19 | Steel pipe expands system and steel pipe expands machine soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN108941244A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941244A (en) * | 2018-06-27 | 2018-12-07 | 山东金诚联创管业股份有限公司 | The quick bell-spigot joint steel pipe of integral type revolves expansion machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10337778A (en) * | 1997-06-06 | 1998-12-22 | Mitsubishi Cable Ind Ltd | Production of shrinkable tube and diameter expanding device for use therefor |
| CN2561532Y (en) * | 2002-05-13 | 2003-07-23 | 天水锻压机床厂 | Steel pipe expander |
| JP2003342694A (en) * | 2002-05-23 | 2003-12-03 | Jfe Steel Kk | Ferritic stainless steel excellent in spinning workability and used for diameter-enlarged member of gas exhaust system |
| JP2004283847A (en) * | 2003-03-20 | 2004-10-14 | Jfe Steel Kk | Apparatus for expanding steel pipe and method for manufacturing steel pipe using it |
| CN101028640A (en) * | 2006-03-01 | 2007-09-05 | 速技能机械有限公司 | Tube expanding device |
| CN101314174A (en) * | 2007-06-02 | 2008-12-03 | 付朋 | Intermediate frequency induction heating pipe-expanding machine |
| CN102513460A (en) * | 2011-12-16 | 2012-06-27 | 大连三高科技发展有限公司 | Steel pipe end sizing mill assembly with diameter expanding function |
| CN105290242A (en) * | 2015-11-03 | 2016-02-03 | 无锡双友石化机械有限公司 | Overall-length diameter-expanding unit for medium-diameter submerged-arc welding pipe |
| CN210131934U (en) * | 2018-06-27 | 2020-03-10 | 山东金诚联创管业股份有限公司 | Steel pipe expands system and steel pipe expands machine soon |
-
2018
- 2018-06-27 CN CN201810674705.XA patent/CN108941244A/en active Pending
-
2019
- 2019-04-19 CN CN201920538760.6U patent/CN210131934U/en active Active
- 2019-04-19 CN CN201910318090.1A patent/CN110355232A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10337778A (en) * | 1997-06-06 | 1998-12-22 | Mitsubishi Cable Ind Ltd | Production of shrinkable tube and diameter expanding device for use therefor |
| CN2561532Y (en) * | 2002-05-13 | 2003-07-23 | 天水锻压机床厂 | Steel pipe expander |
| JP2003342694A (en) * | 2002-05-23 | 2003-12-03 | Jfe Steel Kk | Ferritic stainless steel excellent in spinning workability and used for diameter-enlarged member of gas exhaust system |
| JP2004283847A (en) * | 2003-03-20 | 2004-10-14 | Jfe Steel Kk | Apparatus for expanding steel pipe and method for manufacturing steel pipe using it |
| CN101028640A (en) * | 2006-03-01 | 2007-09-05 | 速技能机械有限公司 | Tube expanding device |
| JP2007229766A (en) * | 2006-03-01 | 2007-09-13 | Sugino Mach Ltd | Tube expanding apparatus |
| CN101314174A (en) * | 2007-06-02 | 2008-12-03 | 付朋 | Intermediate frequency induction heating pipe-expanding machine |
| CN102513460A (en) * | 2011-12-16 | 2012-06-27 | 大连三高科技发展有限公司 | Steel pipe end sizing mill assembly with diameter expanding function |
| CN105290242A (en) * | 2015-11-03 | 2016-02-03 | 无锡双友石化机械有限公司 | Overall-length diameter-expanding unit for medium-diameter submerged-arc welding pipe |
| CN210131934U (en) * | 2018-06-27 | 2020-03-10 | 山东金诚联创管业股份有限公司 | Steel pipe expands system and steel pipe expands machine soon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210131934U (en) | 2020-03-10 |
| CN108941244A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109798412B (en) | Method suitable for omnibearing pressurized tapping and plugging of online pipeline | |
| CN207195908U (en) | A kind of crimping device for pipeline buckle press joint | |
| CN110355232A (en) | A kind of steel pipe rotation enlarging system and steel pipe revolve expansion machine | |
| CN209830052U (en) | Pipe revolves colored dish and expands machine soon of expanding machine | |
| CN207873581U (en) | The material separation device of cam Simmer ring pressing machine | |
| CN204123111U (en) | A kind of novel vertical lathe ram structure | |
| CN115638295B (en) | Flaring type steel pipe assembly and production device | |
| CN203621515U (en) | Full-automatic hydraulic tail base | |
| CN103240324A (en) | Liquid-expansion forming system for bimetal composite pipe | |
| CN110039761B (en) | Pipeline winding film coating machine and winding film coating method thereof | |
| CN110153299A (en) | Steel pipe bell and spigot molding machine | |
| CN114110285B (en) | Carbon steel single-clamping-pressure type four-way pipe fitting | |
| CN205914940U (en) | A welding jig that is used for welding on oil tank body with oil pipe , oil drain nut | |
| CN105583270A (en) | Seamless steel tube bending machine | |
| CN111644490B (en) | Pipe end shape correcting device and pipe end shape correcting method | |
| CN215032632U (en) | A compound steel pipe flanging equipment of inside lining for producing turn-ups of different specifications | |
| CN205834604U (en) | The plug feeding hold-down mechanism of electronic drain valve control assembly machine | |
| CN106931244B (en) | Spigot-and-socket steel pipe and its processing method | |
| CN103341544B (en) | A kind of multistage Ω pipe inside high-pressure forming method and device | |
| CN204321001U (en) | The inner reed of a kind of fuel sucking pipe detects and corrects and mouth of pipe closing device | |
| CN104525667A (en) | Roller forming equipment | |
| CN103868685B (en) | Overcritical valve water pressure testing board | |
| CN205618468U (en) | Pushing -type clamping device is with rotatory hydro -cylinder in among CNC tube bending machine | |
| CN205967945U (en) | Can weld oil pipe welding jig that adds who adds oil pipe on oil tank | |
| CN206811559U (en) | A kind of detent mechanism of synchromesh gear hub drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |