CN102327895B - Cooling device in piercer top - Google Patents
Cooling device in piercer top Download PDFInfo
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- CN102327895B CN102327895B CN 201110209716 CN201110209716A CN102327895B CN 102327895 B CN102327895 B CN 102327895B CN 201110209716 CN201110209716 CN 201110209716 CN 201110209716 A CN201110209716 A CN 201110209716A CN 102327895 B CN102327895 B CN 102327895B
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- valve core
- spool
- water inlet
- valve body
- core housing
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Abstract
The invention discloses a cooling device in a piercer top, which solves the problem that the structure of the cooling device in the piercer top is complex so that the speed of a pin-lift car can not be increased. The cooling device in the piercer top comprises a pin-lift car (1) and a locking device (10). A water inlet (4) of a water inlet pipeline (3) is arranged at the upper side of the front end of the pin-lift car (1), and a valve body (7) is fixedly arranged on the locking device (10) fixedly arranged in front of the pin-lift car (1). A valve body water inlet (8) is arranged on the right side wall of the valve body (7), and the center of the left side wall of the valve body (7) is provided with a valve core hole and a spacer sleeve (6). A valve core sleeve (11) is arranged in the communicated valve core hole and spacer sleeve (6), and a valve core (5) is arranged in the valve core sleeve (11). A through hole is arranged in the valve core (5) along the valve core direction, and one end of the through hole is movably communicated with the water inlet (4) of the water inlet pipeline (3). The cooling device in the piercer top has simple structure and low cost and realizes the high-speed running of the pin-lift car.
Description
Technical field
The present invention relates to a kind of rolling equipment of hot rolled seamless steel tube, particularly a kind of interior cooling device of piercing mandrel plug.
Background technology
It is to be formed by rolled by piercing mill that hot rolling does not have the steel pipe of meeting, the basic craft course of drilling/rolling is: form a blind bore type by roll, guide plate, top, high-temperature metal carries out continuous modification in the zone that this pass constitutes, finally shut out hollow hollow billet from solid pipe.Wherein, roll, guide plate are installed according to the technological requirement relative fixed, and the top is installed on the ejector rob trolley provided push rod, with the action request of rolling cycle, are rolled the change of position and work back bit period.Because solid pipe is bored a hole into hollow hollow billet, flow of metal mainly concentrates on the top to be carried out; Come directly towards simultaneously at high-temperature, high pressure operation, thereby be easy to wearing and tearing or nose is pressed heap, cause the top not use for a long time, the top is changed frequent.Need the time carry out water cooling in work to the top, cooling is that the water in the cooling device is realized interior cooling to the top by being through water pipe in the ejector rob trolley provided push rod in the top in the top.At present, cooling device mainly is made up of two parts in the domestic general top: the one, be connected ejector rob trolley provided portion device, and the 2nd, devices such as drag chain and drag chain support.Comprise: tank, water pipe arrangement frame, pipe joint, fittings body, rubber hose coupling, pipe, pipe clamp, pipe clamp backing plate, water tube hose, drag chain, drag chain support, carrying roller, roller rack etc.Because this complex structure influences ejector rob trolley provided speed, causes ejector rob trolley provided speed low all the time, the big and high shortcoming of equipment manufacturing cost cost of ejector rob trolley provided driving power; Can not satisfy the rolling rhythm of modern steel pipe industry, its service efficiency is reduced.
Summary of the invention
The invention provides cooling device in a kind of piercing mandrel plug, solved the problem that cooling device exists in the existing piercing mandrel plug complex structure can not improve ejector rob trolley provided speed.
The present invention overcomes the above problems by following scheme:
Cooling device in a kind of piercing mandrel plug, be included in move reciprocatingly on the roll line ejector rob trolley provided, the blocking device that fixedly installs at roll line, ejector rob trolley provided interior cooling water channel and the entry pipeline connection that is fixedly installed on ejector rob trolley provided, the water inlet of entry pipeline is arranged on ejector rob trolley provided front end upside, the blocking device that fixedly installs in ejector rob trolley provided the place ahead is set with the valve body of sealing, the right side wall of valve body is provided with the valve body water inlet, the valve body water inlet is communicated with valve body oral siphon on being fixedly installed on blocking device, the left side wall central authorities of valve body are provided with spool bore, the left side wall of the valve body in the outside of spool bore is provided with interstage sleeve, in the spool bore that is communicated with and interstage sleeve, be provided with valve core housing, in valve core housing, be provided with spool, in spool, be provided with through hole along the spool direction, one end of through hole is communicated with the water inlet of entry pipeline is movable, the right part of spool is provided with withdrawal cylinder step, be provided with stage clip in the cavity between the inner chamber of the withdrawal cylinder step of the right part of spool and valve core housing, right-hand member at the withdrawal cylinder step of spool is provided with the valve core through hole water inlet, and the right side of spool is provided with the hold-down bolt of head seal circle and sealing ring.
Be provided with the movable sealing surface that cooperates in top with the water inlet of entry pipeline at the left end of valve core housing, valve core housing is provided with the valve core housing projection, between the inwall of the outer wall of valve core housing and interstage sleeve, be provided with cushion space, be provided with buffer spring in cushion space, the valve core housing projection is crimped on buffer spring.
The present invention is simple in structure, and cost is low, has realized ejector rob trolley provided high-speed operation, has satisfied the rolling needs of modern hot rolled seamless steel tube fast pace.
Description of drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is that I among Fig. 1 is to partial enlarged drawing.
Specific embodiment
Cooling device in a kind of piercing mandrel plug, be included in move reciprocatingly on the roll line ejector rob trolley provided 1, the blocking device 10 that fixedly installs at roll line, ejector rob trolley provided 1 interior cooling water channel 2 is communicated with the entry pipeline 3 that is fixedly installed on ejector rob trolley provided 1, the water inlet 4 of entry pipeline 3 is arranged on ejector rob trolley provided 1 front end upside, the blocking device 10 that fixedly installs in the place ahead of ejector rob trolley provided 1 is set with the valve body 7 of sealing, the right side wall of valve body 7 is provided with valve body water inlet 8, valve body water inlet 8 is communicated with valve body oral siphon 9 on being fixedly installed on blocking device 10, the left side wall central authorities of valve body 7 are provided with spool bore, the left side wall of the valve body 7 in the outside of spool bore is provided with interstage sleeve 6, in the spool bore that is communicated with and interstage sleeve 6, be provided with valve core housing 11, in valve core housing 11, be provided with spool 5, in spool 5, be provided with through hole along the spool direction, one end of through hole and 4 movable connections of the water inlet of entry pipeline 3, the right part of spool 5 is provided with withdrawal cylinder step 16, be provided with stage clip 17 in the cavity between the inner chamber of the withdrawal cylinder step 16 of the right part of spool 5 and valve core housing 11, right-hand member at the withdrawal cylinder step 16 of spool (5) is provided with valve core through hole water inlet 18, and the right side of spool 5 is provided with the hold-down bolt 20 of head seal circle 19 and sealing ring.Move to right when ejector rob trolley provided 1, the water inlet 4 of entry pipeline 3 withstands on the left-hand end of spool 5 after entering valve core housing 11, the right-hand member of the withdrawal cylinder step 16 that makes spool 5 of moving to right behind spool 5 pressurizeds is moved out in the valve body 7 from valve core housing 11, at this moment the water in the valve body 7 enters into valve core through hole by the valve core through hole water inlet 18 of the right-hand member setting of the withdrawal cylinder step 16 of spool 5, thereby connected the entry pipeline on ejector rob trolley provided 1, ejector rob trolley provided push rod has been carried out interior cooling.When ejector rob trolley provided moving to left, the water inlet 4 of entry pipeline 3 leaves spool 5, at this moment the stage clip 17 that arranges in the cavity between the inner chamber of the withdrawal cylinder step 16 of the right part of spool 5 and valve core housing 11 promotes spools 5 and moves to left, the right-hand member of the withdrawal cylinder step 16 of spool 5 is got back in the valve core housing 11, valve core through hole water inlet 18 is closed, thereby cut off the water route of the through hole of valve body 7 in the spool 5.
Be provided with the movable sealing surface 12 that cooperates in top with the water inlet 4 of entry pipeline 3 at the left end of valve core housing 11, when ejector rob trolley provided moving to right, work the purpose that sealed water passage when making the through hole connection in entry pipeline 3 and the spool 5.
Valve core housing 11 is provided with valve core housing projection 13, is provided with cushion space 14 between the inwall of the outer wall of valve core housing 11 and interstage sleeve 6, is provided with buffer spring 15 in cushion space 14, and valve core housing projection 13 is crimped on buffer spring 15.Move to right when ejector rob trolley provided 1; impulsive force was bigger when the water inlet 4 of entry pipeline 3 entered on the left-hand end that withstands on spool 5 behind the valve core housing 11; at this moment valve core housing projection 13 cooperates crimping with buffer spring 15, can play the effect of buffering, reaches the purpose of protecting valve body 7 and blocking device 10.
Claims (2)
1. cooling device in the piercing mandrel plug, be included in ejector rob trolley provided (1) that moves reciprocatingly on the roll line, the blocking device (10) that fixedly installs at roll line, the interior cooling water channel (2) of ejector rob trolley provided (1) is communicated with entry pipeline (3) on being fixedly installed on ejector rob trolley provided (1), the water inlet (4) of entry pipeline (3) is arranged on the front end upside of ejector rob trolley provided (1), the blocking device (10) that fixedly installs in the place ahead of ejector rob trolley provided (1) is set with the valve body (7) of sealing, the right side wall of valve body (7) is provided with valve body water inlet (8), valve body water inlet (8) is communicated with valve body oral siphon (9) on being fixedly installed on blocking device (10), the left side wall central authorities of valve body (7) are provided with spool bore, the left side wall of the valve body in the outside of spool bore (7) is provided with interstage sleeve (6), in the spool bore that is communicated with and interstage sleeve (6), be provided with valve core housing (11), in valve core housing (11), be provided with spool (5), in spool (5), be provided with through hole along the spool direction, one end of through hole is communicated with the water inlet (4) of entry pipeline (3) is movable, the right part of spool (5) is provided with withdrawal cylinder step (16), be provided with stage clip (17) in the cavity between the inner chamber of the withdrawal cylinder step (16) of the right part of spool (5) and valve core housing (11), right-hand member at the withdrawal cylinder step (16) of spool (5) is provided with valve core through hole water inlet (18), and the right side of spool (5) is provided with the hold-down bolt (20) of head seal circle (19) and sealing ring.
2. cooling device in the piercing mandrel plug according to claim 1, it is characterized in that, be provided with the movable sealing surface (12) that cooperates in top with the water inlet (4) of entry pipeline (3) at the left end of valve core housing (11), valve core housing (11) is provided with valve core housing projection (13), between the inwall of the outer wall of valve core housing (11) and interstage sleeve (6), be provided with cushion space (14), be provided with buffer spring (15) in cushion space (14), valve core housing projection (13) is crimped on buffer spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110209716 CN102327895B (en) | 2011-07-26 | 2011-07-26 | Cooling device in piercer top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110209716 CN102327895B (en) | 2011-07-26 | 2011-07-26 | Cooling device in piercer top |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102327895A CN102327895A (en) | 2012-01-25 |
| CN102327895B true CN102327895B (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110209716 Expired - Fee Related CN102327895B (en) | 2011-07-26 | 2011-07-26 | Cooling device in piercer top |
Country Status (1)
| Country | Link |
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| CN (1) | CN102327895B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433281A (en) * | 2013-08-28 | 2013-12-11 | 无锡欧龙特种钢管有限公司 | Ejector header cooling device of seamless tube perforating machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19510860A1 (en) * | 1995-03-16 | 1996-09-19 | Mannesmann Ag | Mandrel bar carrier for plug rolling mill |
| CN2251449Y (en) * | 1995-04-24 | 1997-04-09 | 宝山钢铁(集团)公司 | Lubricating device of mandrel for metal tube rolling mill |
| JP2003266109A (en) * | 2002-03-14 | 2003-09-24 | Jfe Steel Kk | Apparatus for attaching and detaching rolling plug |
| CN101224469A (en) * | 2008-02-01 | 2008-07-23 | 山西创奇实业有限公司 | Mobile mandril cooling and lubricating device |
| CN202192085U (en) * | 2011-07-26 | 2012-04-18 | 太原通泽重工有限公司 | Inner cooling device for plug of puncher |
-
2011
- 2011-07-26 CN CN 201110209716 patent/CN102327895B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19510860A1 (en) * | 1995-03-16 | 1996-09-19 | Mannesmann Ag | Mandrel bar carrier for plug rolling mill |
| CN2251449Y (en) * | 1995-04-24 | 1997-04-09 | 宝山钢铁(集团)公司 | Lubricating device of mandrel for metal tube rolling mill |
| JP2003266109A (en) * | 2002-03-14 | 2003-09-24 | Jfe Steel Kk | Apparatus for attaching and detaching rolling plug |
| CN101224469A (en) * | 2008-02-01 | 2008-07-23 | 山西创奇实业有限公司 | Mobile mandril cooling and lubricating device |
| CN202192085U (en) * | 2011-07-26 | 2012-04-18 | 太原通泽重工有限公司 | Inner cooling device for plug of puncher |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102327895A (en) | 2012-01-25 |
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Granted publication date: 20130807 Termination date: 20170726 |
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