CN105643477A - Pipe end sealing device capable of floating by 360 degrees - Google Patents
Pipe end sealing device capable of floating by 360 degrees Download PDFInfo
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- CN105643477A CN105643477A CN201410648638.6A CN201410648638A CN105643477A CN 105643477 A CN105643477 A CN 105643477A CN 201410648638 A CN201410648638 A CN 201410648638A CN 105643477 A CN105643477 A CN 105643477A
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- turning axle
- degree
- end sealing
- sealing devices
- relocatable
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Abstract
The invention discloses a pipe end sealing device capable of floating by 360 degrees. The pipe end sealing device capable of floating by 360 degrees comprises a rotary shaft, a long shaft, a flexible expansion plug ring, a sliding head, a driving element and a floating component, wherein the rotary shaft can rotate around the axis of the rotary shaft; the long shaft is arranged in the rotary shaft, and the head end of the long shaft extends out of the head end of the rotary shaft; the flexible expansion plug ring is fixedly arranged on a connection block on the periphery of the head end of the long shaft in a sleeving mode; the connection block is fixedly connected with the rotary shaft; the sliding head is fixedly connected to the head end of the long shaft and provided with a wedge-shaped face; the driving element is connected with the tail end of the long shaft so as to drive the long shaft to move in the axial direction of the long shaft, and accordingly the sliding head and the connection block are driven to move relatively, and the wedge-shaped face extrudes the inner wall of the flexible expansion plug ring in the relative moving process so that the flexible expansion plug ring can expand outwards in the radial direction; the floating component is fixedly arranged on the periphery of the rotary shaft and comprises a plurality of elastic floating elements; and the elastic floating elements are distributed in the circumferential direction of the rotary shaft and apply pressure to the rotary shaft in the radial direction of the rotary shaft.
Description
Technical field
The present invention relates to a kind of tripping device, particularly relate to the tripping device of a kind of particle.
Background technology
Pipe end screw thread sandblast machine is one of important production unit of steel tube finishing line. Sandblast machine has been widely used in the numerous areas such as machinofacture, instrument, medicine equipment, electronic apparatus, textile manufacturing machine, dyeing machine, pottery, artwork, repair of machine. Sandblast machine is as the sand treatment facility of a kind of routine, and through continuous development and improvement, it has unique processing mechanism and range of application widely, and sandblast machine is more and more favored in current surface treatment industry. Pipe end screw thread sandblast machine is with pressurized air by abrasive substance (such as, ceramics powder) high-velocity jet is to steel tube surface, the oxide skin after thermal treatment, residual salt, Residual oil and the micro-burr of machined piece etc. can be removed, to improve the smooth finish of pipe end screw thread.
Before sandblasting, in order to prevent ceramics powder from spraying into steel duct, it is necessary to pipe end is sealed. Metal conic stifled head is adopted to be sealed by steel tube end part at present. But, after steel pipe rotary gets up, due to the relation of vibrations and steel pipe ovality (namely there is external diameter phenomenon not etc. on the cross section of round steel pipe), the situation that end sealing can be caused not tight, at this moment, abrasive substance is (such as, ceramics powder) steel duct can be entered, not only need labor cleaning's pipe end, inefficiency, also serious waste abrasive substance. Therefore, enterprise all expects to take further seal approach for pipe end.
Summary of the invention
It is an object of the invention to provide a kind of 360 degree of relocatable end sealing devices, it forms sealing effect at pipe end, avoids abrasive substance to enter in pipe body from pipe end, had both saved abrasive substance, alleviate environmental pollution, eliminate again abrasive substance enter pipe in and need extra labor cleaning. Have employed 360 degree of relocatable end sealing devices of the present invention and can promote production efficiency, save material resource and environmental protect pollution.
In order to reach the object of foregoing invention, the present invention provides a kind of 360 degree of relocatable end sealing devices, comprising:
Turning axle, it is set to can around himself axis rotation;
Major axis, it is located in turning axle, and the first end of the first end spin rotating shaft of this major axis stretches out;
Flexible expansion blocks up head circle, and its permanent sleeve is located on the connection block of the first end periphery of major axis, and this connection block is fixedly connected with turning axle;
Slip-on head, it is fixedly connected on the first end of major axis, and this slip-on head has wedge shape face;
Driving element, it is connected with the tail end of major axis, to drive major axis to move along its axial direction due, and then drive slip-on head and be connected block generation relative movement, so that wedge shape face extrudes the inwall of the stifled head circle of flexible expansion in the process of relative movement so that the stifled head of flexible expansion encloses outward expansion in radial directions;
Floating member, it is fixed at the periphery of turning axle, and this floating member comprises some elastic floating elements, and each elastic floating element distributes along the circumferential direction of turning axle, and applies pressure along the radial direction of turning axle to it.
360 degree of relocatable end sealing devices of the present invention make use of the flexible material of the stifled head circle that expands. in the inventive solutions, stifled for flexible expansion head circle permanent sleeve is located on the connection block of the first end periphery of major axis, owing to major axis is fixedly connected with slip-on head, when driving element drives major axis to move along himself axial direction due, also slip-on head is driven to move along the axial direction due of major axis, again due to turning axle around himself axis rotation not axial direction due along major axis move and connect block with turning axle and be fixedly connected with, therefore, on the axial direction due of major axis, slip-on head be connected between block to produce relative movement, in this moving process, wedge shape face force on slip-on head acts on the stifled head circle of flexible expansion, the inwall of the stifled head circle of extruding flexible expansion make its in radial directions outward expansion become big thus touch steel pipe inwall, to reach the effect of sealing pipe end, and then the abrasive substance preventing particle tiny enters to pipe body inside from pipe end.
Owing to steel pipe all has certain sinuousness, when turning axle along with steel pipe around the rotation in its axle center time, if turning axle can not carry out trickle adjustment in the radial direction thereof based on the sinuousness of steel pipe, even when arranging flexible expansion and block up head circle, pipe end still likely produces the phenomenon of blow-by. For this reason, it is fixedly installed floating member in the periphery of turning axle, each elastic floating element in floating member is all arranged along the circumferential direction distribution of turning axle, and they apply pressure along the radial direction of turning axle to turning axle, so that turning axle can produce to regulate displacement according to the change of flexibility of steel pipe in the radial direction thereof, thus the stifled head circle of flexible expansion is made to keep fitting tightly with steel pipe inwall all the time in the rotary course of steel pipe.
It should be noted that, the displacement amount that steel pipe produces in the radial direction thereof is small, is that the sinuousness according to steel pipe is determined.
Owing to a wherein head tube end of steel pipe is sheathed on outside turning axle, in order to ensure that turning axle is along with steel pipe major axis is around himself axis rotation, therefore the axial direction due of turning axle and steel pipe is identical; Again owing to major axis is arranged in turning axle, therefore, the axial direction due of major axis and turning axle is also identical. For this reason, this three of major axis, turning axle and steel pipe is coaxial setting.
Further, in 360 degree of relocatable end sealing devices of the present invention, above-mentioned connection block has radially outward outstanding stopper section, with to prevent end sealing device too gos deep into pipe body inside.
Further, in 360 degree of relocatable end sealing devices of the present invention, the end winding support of above-mentioned turning axle is provided with connection piece, and this connection piece and stopper section are oppositely arranged, and be fixedly connected with stopper section, with the strength of joint improved between major axis and turning axle.
Further, in 360 degree of relocatable end sealing devices of the present invention, above-mentioned connection block is offered and radial blows ash hole, so that staff is by outside the abrasive substance discharge pipe that enters in pipe end.
Further, in 360 degree of relocatable end sealing devices of the present invention, above-mentioned driving element is cylinder, and the cylinder rod of this cylinder is connected with the tail end of major axis, in order to drive major axis to move along its axial direction due.
Certainly, based on the technical scheme of the present invention, the technician of this area can also adopt other equipment as the driving element ordering about long axis motion, such as, and oil cylinder or hydro-cylinder.
Further, in 360 degree of relocatable end sealing devices of the present invention, the cylinder body of above-mentioned cylinder is connected with swivel joint, and is connected with turning axle, cylinder rotates under the drive of device of rotation driving, and synchronous driven rotary axle is around himself axis rotation.
Further, in 360 degree of relocatable end sealing devices of the present invention, above-mentioned turning axle periphery is also provided with the shell being fixedly installed, and is provided with bearing to play fixing effect in the rotation process of turning axle between shell and turning axle, and floating member is located at the periphery of shell.
At this, the shell being fixedly installed can also play certain provide protection, and part turning axle and external environment can be completely cut off by it.
Further, in 360 degree of relocatable end sealing devices of the present invention, above-mentioned floating member comprises the first floating member being located near the first end of turning axle and is located at the 2nd floating member near turning axle tail end.
When turning axle length in the axial direction is bigger, steel pipe can not advantageously be adjusted by single floating member in time in the radial direction thereof, so that the stifled head circle of flexible expansion fits tightly in steel pipe inwall, Given this, it is necessary to the axial direction due along turning axle respectively arranges a floating member at first section of turning axle and tail end respectively.
Further, in 360 degree of relocatable end sealing devices of the present invention, above-mentioned first floating member and/or the 2nd floating member comprise:
Quadrilateral frame;
Being fixed with screw rod between each limit of quadrilateral frame and shell, screw rod is arranged along the radial direction of turning axle substantially;
Each screw rod is all arranged with the spring as elastic floating element.
Further, in 360 degree of relocatable end sealing devices of the present invention, the base of above-mentioned quadrilateral frame is fixed with more than one screw rod, the tail end of this more than one bolt is fixedly connected with strongback, this strongback is fixedly connected with shell, and this more than one bolt is all arranged with the spring being located between quadrilateral frame and strongback.
360 degree of relocatable end sealing devices of the present invention can form sealing effect at pipe end, avoids abrasive substance to enter pipe end, not only saves abrasive substance, alleviate environmental pollution, eliminate again extra labor cleaning, it is to increase production efficiency.
In addition, it is inner that 360 degree of relocatable end sealing devices of the present invention can prevent end sealing device from excessively going deep into pipe body effectively, thus avoids end sealing device to destroy steel-tube construction.
In addition, have employed 360 degree of relocatable end sealing devices of the present invention to save grinding material resource and improve Working environment.
Accompanying drawing explanation
Fig. 1 is 360 degree of relocatable end sealing devices of the present invention at a kind of structural representation implemented under mode.
Fig. 2 is the floating member in 360 degree of relocatable end sealing devices of the present invention at a kind of structural representation implemented under mode.
Embodiment
According to specific embodiment and Figure of description, 360 degree of relocatable end sealing devices of the present invention will be described further below, but this explanation does not form the improper restriction to technical solution of the present invention.
Fig. 1 shows 360 degree of relocatable end sealing devices of the present invention in a kind of structure implementing under mode.
As shown in Figure 1, the part of the relocatable end sealing device 1 of 360 degree under this kind of enforcement mode is positioned at throws ball casing 30, and it comprises turning axle 11, major axis 12, flexible expansion blocks up head circle 13, slip-on head 14, cylinder 15, shell 16, the first floating member 17 and the 2nd floating member 18. wherein, major axis 12 is arranged in turning axle 11, the first end of the first end spin rotating shaft 11 of major axis 12 stretches out in outside turning axle, the stifled head of flexible expansion encloses 13 permanent sleeves and is located on the connection block 121 of the first end periphery of major axis 12, connect block 121 to be fixedly connected with turning axle 11, slip-on head 14 is fixedly connected on the first end of major axis 12, slip-on head 14 is provided with wedge shape face 141, the coaxial permanent sleeve of shell 16 is located at the periphery of turning axle 11, pair of bearings 161 also it is provided with between shell 16 and turning axle 11, the cylinder rod of cylinder 15 is connected with the tail end of major axis 12, to drive major axis to move along its axial direction due, and then with being connected there is relative movement in block 121 to drive slip-on head 14, so that the wedge shape face 141 of slip-on head 14 extrude in the process of relative movement the stifled head circle 13 of flexible expansion inwall so that its in radial directions outward expansion and fit tightly steel pipe 20 inwall, thus reach the effect of end sealing. in addition, the cylinder body of cylinder 15 is connected with swivel joint 19, and is connected with turning axle 11, and like this, cylinder 15 rotates under the drive of device of rotation driving, and the synchronous driven rotary axle 11 of meeting is around himself axis rotation.
Continue to consult Fig. 1, connecting the stopper section 122 having on block 121 and radially outward giving prominence to, it is oppositely arranged with the connection piece 112 of the end being fixedly installed on turning axle 11, and connection piece 112 is fixedly connected with stopper section 122, in order to the strength of joint improved between major axis and turning axle. In addition, connect block 121 also offers radial conducting blow ash hole 123, it can be connected with gas blow pipe, is imported by gas and blows in ash hole 123, blows out outside pipe end for by abrasive substance tiny for particle, thus avoid abrasive substance to enter steel duct.
As shown in Figure 1, along the axial direction due of turning axle 11, the first floating member 17 is located near the first end of turning axle 11, and the 2nd floating member 18 is located near turning axle 11 tail end, and the first floating member 17 and the 2nd floating member 18 are all fixed at the periphery of shell 16.
At this, the technician of this area can adopt the flexible expansion stifled head circle of the material of resistance to rubber milling material to make under above-mentioned enforcement mode. But, owing to the coefficient of expansion of resistance to rubber milling has certain scope, therefore the steel pipe of different size is needed to the stifled head circle of flexible expansion changing the resistance to rubber milling material of different size. Meanwhile, head stifled with flexible expansion encloses the matching used block that is connected also needs to carry out supporting replacement thereupon.
Fig. 2 shows the floating member in 360 degree of relocatable end sealing devices of the present invention in a kind of structure implementing under mode.
As depicted in figs. 1 and 2, first floating member 17 includes: quadrilateral frame 171, five screw rods 172, five springs 173 and strongback 174, wherein, quadrilateral frame 171 is bolted to connection with the permanent seat 10 being fixedly installed, strongback 174 is arranged relative to the base of quadrilateral frame 171, and strongback 174 is fixedly connected with shell 16, taking in the lower section of shell 16 as shell provides support, the tail end of two screw rods 172 is all fixedly connected with strongback 174, the first end of two screw rods 172 is all connected setting with the base of quadrilateral frame 171, its excess-three root screw rod 172 left sides being arranged at quadrilateral frame 171 respectively, between the right side and limit, top and shell 16, all screw rods 172 are arranged along the radial direction of turning axle 11 substantially, spring 173 all it is arranged with outside each screw rod 172, each screw rod 172 and each spring 173 are all arranged along the circumferential direction distribution of shell 16, and apply pressure along the radial direction of shell 16 to it, so that shell 16 is in the generation displacement in the radial direction of himself, so that turning axle also can produce corresponding mobile according to the change of flexibility of steel pipe in the radial direction thereof, and then make the stifled head circle 13 of flexible expansion keep fitting tightly with steel pipe inwall all the time in the rotary course of steel pipe.
Correspondingly, the parts of the 2nd floating member arrange the parts with the first floating member and arrange identical, have not just been described in detail for the 2nd floating member at this. Certainly, it is also possible to according to practical situation, on the axial direction due of turning axle, only middle-end at turning axle arranges an above-mentioned similar floating member, or the first end at turning axle, and middle-end and tail end arrange an above-mentioned similar floating member respectively.
Consult Fig. 1 and Fig. 2, in actual use, after steel pipe 20 being delivered to A place, specified position by subsidiary engine e Foerderanlage, the stifled head circle 13 of flexible expansion and slip-on head 14 are positioned at the pipe end of steel pipe 20, by the driving of cylinder 15, stifled for flexible expansion head circle 13 and slip-on head 14 are moved along P direction, maintain static on P direction owing to connecting block 121 and turning axle 11, therefore, slip-on head 14 and the distance connected between block 121 reduce gradually, so that the wedge shape face 141 on slip-on head 14 extrudes the inwall of the stifled head circle 13 of flexible expansion, under the force effect of slip-on head 14 the stifled head circle 13 of flexible expansion in radial directions outward expansion become big thus contact with steel pipe 20 inwall, to reach the effect of sealing pipe end, and then the abrasive substance preventing particle tiny enters into pipe body inside from pipe end.
In addition, when turning axle 11 along with steel pipe around the rotation in its axle center time, owing to steel pipe 20 inevitably has certain sinuousness, correspondingly, steel pipe can produce certain amount of deflection in rotary course, like this, even when arranging flexible expansion and block up head circle 13, between the pipe end of steel pipe 20 and turning axle 11 or can produce certain gap, and the stifled head circle 13 of flexible expansion can not freely followed by steel pipe rotates together. For this reason, the first floating member 17 and the 2nd floating member 18 it is fixedly installed in the periphery of shell 16, spring 173 in first floating member 17 and the 2nd floating member 18,183 are all arranged along the circumferential direction distribution of turning axle 11, and they can apply pressure along the radial direction of turning axle 11 to turning axle 11, so that turning axle 11 produces to regulate displacement in the radial direction thereof.That is, when there is gap with turning axle 11 in the radial direction thereof in pipe end, first floating member 17 and the 2nd floating member 18 just can by the springs 173 as elastic floating element, 183 and screw rod 172, cooperation between 182, make turning axle 11 can carry out adjustment of displacement in the radial direction thereof according to the change of flexibility of steel pipe, thus make the stifled head circle 13 of flexible expansion keep fitting tightly with steel pipe inwall in the rotary course of steel pipe, and then make pipe end have sealing effect all the time always.
The stopping property of the stifled head of metal conic used in the prior art is poor, in the rotary course of steel pipe, due to the relation of steel pipe vibrations and steel pipe ovality, and the situation that pipe end can be caused poorly sealed. Compare to the stifled head of metal conic of the prior art, 360 degree of relocatable end sealing devices of the present invention have employed have good seal performance and relatively deep drawing quality can the stifled head circle of flexible expansion, make the stifled head circle extrusion of flexible expansion by external force effect and it is close to steel pipe inwall to reach the effect of end sealing, both avoid material waste, turn improve production efficiency.
It is noted that above cited embodiment is only specific embodiments of the invention. Obvious the present invention is not limited to above embodiment, and the similar change thereupon made or distortion are that those skilled in the art can directly draw from content disclosed by the invention or be easy to just associate, and all should belong to protection scope of the present invention.
Claims (10)
1. 360 degree of relocatable end sealing devices, it is characterised in that, comprising:
Turning axle, it is set to can around himself axis rotation;
Major axis, it is located in described turning axle, and the first end of the first end spin rotating shaft of described major axis stretches out;
Flexible expansion blocks up head circle, and its permanent sleeve is located on the connection block of the first end periphery of described major axis, and described connection block is fixedly connected with turning axle;
Slip-on head, it is fixedly connected on the first end of described major axis, and described slip-on head has wedge shape face;
Driving element, it is connected with the tail end of described major axis, to drive major axis to move along its axial direction due, and then drive slip-on head and be connected block generation relative movement, so that wedge shape face extrudes the inwall of the stifled head circle of flexible expansion in the process of described relative movement so that the stifled head of flexible expansion encloses outward expansion in radial directions;
Floating member, it is fixed at the periphery of described turning axle, and described floating member comprises some elastic floating elements, and each elastic floating element distributes along the circumferential direction of turning axle, and applies pressure along the radial direction of turning axle to it.
2. 360 degree of relocatable end sealing devices as claimed in claim 1, it is characterised in that, described connection block has radially outward outstanding stopper section.
3. 360 degree of relocatable end sealing devices as claimed in claim 2, it is characterised in that, the end winding support of described turning axle is provided with connection piece, and this connection piece and described stopper section are oppositely arranged, and are fixedly connected with described stopper section.
4. 360 degree of relocatable end sealing devices as claimed in claim 1, it is characterised in that, described connection block is offered radial blowing described in ash hole.
5. 360 degree of relocatable end sealing devices as claimed in claim 1, it is characterised in that, described driving element is cylinder, and the cylinder rod of described cylinder is connected with the tail end of major axis.
6. 360 degree of relocatable end sealing devices as claimed in claim 5, it is characterized in that, the cylinder body of described cylinder is connected with swivel joint, and is connected with described turning axle, described cylinder rotates under the drive of device of rotation driving, and the described turning axle of synchronous drive is around himself axis rotation.
7. 360 degree of relocatable end sealing devices as claimed in claim 1, it is characterised in that, described turning axle periphery is also provided with the shell being fixedly installed, and is provided with bearing between described shell and turning axle, and described floating member is located at the periphery of shell.
8. 360 degree of relocatable end sealing devices as claimed in claim 7, it is characterised in that, described floating member comprises the first floating member being located near the first end of turning axle and is located at the 2nd floating member near turning axle tail end.
9. 360 degree of relocatable end sealing devices as claimed in claim 8, it is characterised in that, described first floating member and/or the 2nd floating member comprise:
Quadrilateral frame;
Being fixed with screw rod between each limit of described quadrilateral frame and shell, described screw rod is arranged along the radial direction of turning axle substantially;
Described each screw rod is all arranged with the spring as described elastic floating element.
10. 360 degree of relocatable end sealing devices as claimed in claim 9, it is characterized in that, the base of described quadrilateral frame is fixed with the above screw rod, the tail end of this more than one bolt is fixedly connected with strongback, this strongback is fixedly connected with described shell, and this more than one bolt is all arranged with the spring being located between quadrilateral frame and strongback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648638.6A CN105643477A (en) | 2014-11-14 | 2014-11-14 | Pipe end sealing device capable of floating by 360 degrees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648638.6A CN105643477A (en) | 2014-11-14 | 2014-11-14 | Pipe end sealing device capable of floating by 360 degrees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105643477A true CN105643477A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410648638.6A Pending CN105643477A (en) | 2014-11-14 | 2014-11-14 | Pipe end sealing device capable of floating by 360 degrees |
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| Country | Link |
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| CN (1) | CN105643477A (en) |
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| CN107088603A (en) * | 2017-06-05 | 2017-08-25 | 佛山市永恒液压机械有限公司 | A kind of internal high-pressure forming machine |
| CN107763220A (en) * | 2017-12-07 | 2018-03-06 | 马鞍山市华科实业有限公司 | A kind of high-speed oil seal structure |
| CN112824046A (en) * | 2019-11-20 | 2021-05-21 | 宝山钢铁股份有限公司 | Inner wall combined sand prevention plug for sand blasting of external threads of oil casing and anti-blocking method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107088603A (en) * | 2017-06-05 | 2017-08-25 | 佛山市永恒液压机械有限公司 | A kind of internal high-pressure forming machine |
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| CN107763220B (en) * | 2017-12-07 | 2019-08-13 | 马鞍山市华科实业有限公司 | A kind of high-speed oil seal structure |
| CN112824046A (en) * | 2019-11-20 | 2021-05-21 | 宝山钢铁股份有限公司 | Inner wall combined sand prevention plug for sand blasting of external threads of oil casing and anti-blocking method thereof |
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Application publication date: 20160608 |