CN204710851U - A kind of necking machine hydraulic pressure is met and discussed flexible cushioning control structure - Google Patents
A kind of necking machine hydraulic pressure is met and discussed flexible cushioning control structure Download PDFInfo
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- CN204710851U CN204710851U CN201520322230.XU CN201520322230U CN204710851U CN 204710851 U CN204710851 U CN 204710851U CN 201520322230 U CN201520322230 U CN 201520322230U CN 204710851 U CN204710851 U CN 204710851U
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Abstract
The utility model discloses a kind of necking machine hydraulic pressure to meet and discuss flexible cushioning control structure, comprise annular furnace, roll-type Mannesmann piercing mill, necking machine, push-bench, mandrel bar loosening mill, de-excellent machine, cropping saw, heat hot stove, descaling device, stretch-reducing mill, cold bed, cold saw, pressure-reducing valve and time-delay valve; Described annular furnace is connected with roll-type Mannesmann piercing mill, and roll-type Mannesmann piercing mill bottom arranges push-bench; Described roll-type Mannesmann piercing mill is connected necking machine with between push-bench, and push-bench is connected with mandrel bar loosening mill; Pressure-reducing valve and time-delay valve are installed in described necking machine inside; Described mandrel bar loosening mill is connected with cropping saw and cropping saw sidewall installs de-excellent machine; Described cropping saw bottom is connected with heat hot stove and heat hot stove side arranges stretch-reducing mill; Described stretch-reducing mill is connected with cold bed and cold bed bottom is connected with cold saw, and this necking machine hydraulic pressure is met and discussed flexible cushioning control compact conformation, and increase pressure-reducing valve and time-delay valve, Impact in Hydraulic System is little.
Description
Technical field
The utility model relates to a kind of cushioning control structure, and specifically a kind of necking machine hydraulic pressure is met and discussed flexible cushioning control structure, belongs to machine applications technical field.
Background technology
Along with the development of machinery industry, various engineering goods are deposited out not poor, necking machine is a kind of important engineering goods, in hot rolled seamless steel tube CPE push-bench unit production process, key equipment is necking machine, whole production line plays very important effect, makes hollow billet with plug in the push-bench operation of rolling, be unlikely to punching and wear, roll card.In order to effectively to the reducing of hollow billet head, production line is configured with hydraulic pressure to meet and discuss flexible cushioning fender, it be plug insert hollow billet by pinch roll drive moving linearly advance time, head impact is on cushioning fender, because plug movement velocity is fast, cause impulsive force large, baffle plate must have cushioning effect, after making cushioning fender be subject to plug impact, baffle plate must shrink back, play cushioning effect truly, now in order to make hollow billet head correctly be positioned in reducing die, baffle plate has hydraulic cylinder to control to stretch out forward.This hydraulic baffle plate expanding-contracting action, has hydraulicdirectional control valve and electric automatic linkage to control.
There is many weak points in necking machine control structure in the market, if common hydraulic control system is not owing to considering that pressure-reducing valve and reversal valve commutate hydraulic shock phenomenon instantaneously, cause this pipeline due to pressure high, impact large, pipe joint often loosens and high-pressure rubber pipe explosion and pipeline weld cracking, occur leaking and Oil injection, have a strong impact on normal production and environmental pollution and use oily cost; Secondly, when needs baffle plate stretches out forward, because hydraulic pressure commutation spot speed is fast, often plug, hollow billet head are released reducing die, causing can not reducing.Now operating personnel's Timeliness coverage manual operation, can also save a steel pipe once again; If manual operation is slow, temperature of steel pipe declines very fast, i.e. enable reducing, but can not push pipe, just wastes a steel pipe; Because baffle plate oil cylinder reason causes hollow billet to produce percent defective, sometimes a production class reaches more than 1% (prime shift produces 1000-1200), but also affect continuous seepage, therefore, propose a kind of necking machine hydraulic pressure for the problems referred to above and to meet and discuss flexible cushioning control structure.
Utility model content
Have problems for above-mentioned prior art, the utility model provides a kind of necking machine hydraulic pressure to meet and discuss flexible cushioning control structure, by adding pressure-reducing valve and time-delay valve in original hydraulic system, make Impact in Hydraulic System little, pipe joint is there will not be to loosen and high-pressure rubber pipe explosion and pipeline weld cracking situation, eliminate Oil injection, baffle plate buffering effect is obvious, baffle plate stretches out speed moment impact and speed is effectively controlled, the normal reducing of reducing function, and by optimizing overall structure, solve Problems existing in background technology.
For achieving the above object, the technical solution adopted in the utility model is: a kind of necking machine hydraulic pressure is met and discussed flexible cushioning control structure, comprises annular furnace, roll-type Mannesmann piercing mill, necking machine, push-bench, mandrel bar loosening mill, de-excellent machine, cropping saw, heat hot stove, descaling device, stretch-reducing mill, cold bed, cold saw, pressure-reducing valve and time-delay valve; Described annular furnace is connected with roll-type Mannesmann piercing mill, and roll-type Mannesmann piercing mill bottom arranges push-bench; Described roll-type Mannesmann piercing mill is connected necking machine with between push-bench, and push-bench is connected with mandrel bar loosening mill; Pressure-reducing valve and time-delay valve are installed in described necking machine inside; Described mandrel bar loosening mill is connected with cropping saw and cropping saw sidewall installs de-excellent machine; Described cropping saw bottom is connected with heat hot stove and heat hot stove side arranges stretch-reducing mill; Described stretch-reducing mill is connected with cold bed and cold bed bottom is connected with cold saw, and described descaling device is arranged between heat hot stove and stretch-reducing mill.
Further, described descaling device is a kind of descaling device of dumbbell-shaped structure.
Further, the stretch-reducing mill of described stretch-reducing mill to be a kind of cross section be alveolate texture.
Further, described roll-type Mannesmann piercing mill is a kind of roll-type Mannesmann piercing mill of dual roll type structure, and roll-type Mannesmann piercing mill two ends are arcuate structure.
The beneficial effects of the utility model are: carried out system principle analysis for the hydraulic control of hydraulic baffle plate telescopic buffer, in original hydraulic system, add pressure-reducing valve and time-delay valve, run by produced on-site debugging and long-term production, Impact in Hydraulic System is little, pipe joint loosen and high-pressure rubber pipe explosion and pipeline weld cracking situation without, Oil injection eliminates, baffle plate buffering effect is obvious, baffle plate stretches out speed moment impact and speed is effectively controlled, the normal reducing of reducing function, hollow billet quantity significantly reduces, lumber recovery reaches 99.5%-100%, continuous seepage obtains guarantee, there are good economic benefit and social benefit, be applicable to promoting the use of, overall appearance, be applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model necking machine structure principle chart;
In figure: 1-annular furnace, 2-roll-type Mannesmann piercing mill, 3-necking machine, 4-push-bench, 5-mandrel bar loosening mill, 6-take off excellent machine, 7-cropping saw, 8-heat hot stove, 9-descaling device, 10-stretch-reducing mill, 11-cold bed, 12-cold saw, 13-pressure-reducing valve, 14-time-delay valve.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1-2, a kind of necking machine hydraulic pressure is met and discussed flexible cushioning control structure, comprises annular furnace 1, roll-type Mannesmann piercing mill 2, necking machine 3, push-bench 4, mandrel bar loosening mill 5, de-excellent machine 6, cropping saw 7, heat hot stove 8, descaling device 9, stretch-reducing mill 10, cold bed 11, cold saw 12, pressure-reducing valve 13 and time-delay valve 14; Described annular furnace 1 is connected with roll-type Mannesmann piercing mill 2, and roll-type Mannesmann piercing mill 2 bottom arranges push-bench 4; Described roll-type Mannesmann piercing mill 2 is connected necking machine 3 with between push-bench 4, and push-bench 4 is connected with mandrel bar loosening mill 5; Pressure-reducing valve 13 and time-delay valve 14 are installed in described necking machine 3 inside; Described mandrel bar loosening mill 5 is connected with cropping saw 7 and cropping saw 7 sidewall installs de-excellent machine 6; Described cropping saw 7 bottom is connected with heat hot stove 8 and heat hot stove 8 side arranges stretch-reducing mill 10; Described stretch-reducing mill 10 is connected with cold bed 11 and cold bed 11 bottom is connected with cold saw 12.
Novel optimisation technique scheme is used: described descaling device 9 is arranged between heat hot stove 8 and stretch-reducing mill 10 as this; Described descaling device 9 is a kind of descaling device 9 of dumbbell-shaped structure; The stretch-reducing mill 10 of described stretch-reducing mill 10 to be a kind of cross section be alveolate texture; Described roll-type Mannesmann piercing mill 2 is a kind of roll-type Mannesmann piercing mill 2 of dual roll type structure, and roll-type Mannesmann piercing mill 2 two ends are arcuate structure.
As operation principle of the present utility model: add time-delay valve and pressure-reducing valve in original system, pressure-reducing valve is a kind of special arrangement of automatic reduction working pressure of pipeline, pressure higher for pipeline before valve can be reduced to the level after valve needed for pipeline by it, time-delay valve controls gas and enters from air inlet, slowly cavity volume is entered after choke valve, gassy in cavity volume need be waited until, pressure just can rise, be enough to the spring backing down two-position three-way valve, gas enters executive component and plays time-lag action, increase pressure-reducing valve and time-delay valve, run by produced on-site debugging and long-term production, Impact in Hydraulic System is little, pipe joint loosen and high-pressure rubber pipe explosion and pipeline weld cracking situation without, Oil injection eliminates, baffle plate buffering effect is obvious, baffle plate stretches out speed moment impact and speed is effectively controlled, the normal reducing of reducing function, hollow billet quantity significantly reduces, lumber recovery reaches 99.5%-100%, continuous seepage obtains guarantee, thus realize hydraulic baffle plate telescopic buffer and run continuously at CPE push-bench unit.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
The above; be only preferred embodiment of the present utility model; not in order to limit the utility model, every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalently replace and improve, within the protection domain that all should be included in technical solutions of the utility model.
Claims (4)
1. necking machine hydraulic pressure is met and discussed a flexible cushioning control structure, it is characterized in that: comprise annular furnace (1), roll-type Mannesmann piercing mill (2), necking machine (3), push-bench (4), mandrel bar loosening mill (5), de-excellent machine (6), cropping saw (7), heat hot stove (8), descaling device (9), stretch-reducing mill (10), cold bed (11), cold saw (12), pressure-reducing valve (13) and time-delay valve (14); Described annular furnace (1) is connected with roll-type Mannesmann piercing mill (2), and roll-type Mannesmann piercing mill (2) bottom arranges push-bench (4); Described roll-type Mannesmann piercing mill (2) is connected necking machine (3) with between push-bench (4), and push-bench (4) is connected with mandrel bar loosening mill (5); Pressure-reducing valve (13) and time-delay valve (14) are installed in described necking machine (3) inside; Described mandrel bar loosening mill (5) is connected with cropping saw (7) and cropping saw (7) sidewall installs de-excellent machine (6); Described cropping saw (7) bottom is connected with heat hot stove (8) and heat hot stove (8) side arranges stretch-reducing mill (10); Described stretch-reducing mill (10) is connected with cold bed (11) and cold bed (11) bottom is connected with cold saw (12), and described descaling device (9) is arranged between heat hot stove (8) and stretch-reducing mill (10).
2. necking machine hydraulic pressure according to claim 1 is met and discussed flexible cushioning control structure, it is characterized in that: the descaling device (9) that described descaling device (9) is a kind of dumbbell-shaped structure.
3. necking machine hydraulic pressure according to claim 1 is met and discussed flexible cushioning control structure, it is characterized in that: described stretch-reducing mill (10) for a kind of cross section be the stretch-reducing mill (10) of alveolate texture.
4. necking machine hydraulic pressure according to claim 1 is met and discussed flexible cushioning control structure, it is characterized in that: the roll-type Mannesmann piercing mill (2) that described roll-type Mannesmann piercing mill (2) is a kind of dual roll type structure, and roll-type Mannesmann piercing mill (2) two ends are arcuate structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322230.XU CN204710851U (en) | 2015-05-18 | 2015-05-18 | A kind of necking machine hydraulic pressure is met and discussed flexible cushioning control structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520322230.XU CN204710851U (en) | 2015-05-18 | 2015-05-18 | A kind of necking machine hydraulic pressure is met and discussed flexible cushioning control structure |
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| CN204710851U true CN204710851U (en) | 2015-10-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586656A (en) * | 2019-09-04 | 2019-12-20 | 鞍钢股份有限公司 | Method for ensuring accurate positioning of baffle cylinder of coil splitting line temper mill |
-
2015
- 2015-05-18 CN CN201520322230.XU patent/CN204710851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586656A (en) * | 2019-09-04 | 2019-12-20 | 鞍钢股份有限公司 | Method for ensuring accurate positioning of baffle cylinder of coil splitting line temper mill |
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| TR01 | Transfer of patent right |
Effective date of registration: 20151120 Address after: Jintan Economic Development Zone, Jintan City, Jiangsu province 213000 Jin Wu Lu, Changzhou City, No. 88 Patentee after: Jiangsu Changbao Precision Steel Tube Co., Ltd. Address before: South central Jintan Economic Development Zone, Jiangsu province Changzhou city two road 213200 No. 369 Patentee before: Changzhou Changbaojingte Energy Pipe Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20210518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |