CN102079456A - Coil stripping method and system capable of automatically switching high pressure and low pressure - Google Patents
Coil stripping method and system capable of automatically switching high pressure and low pressure Download PDFInfo
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- CN102079456A CN102079456A CN2010106005284A CN201010600528A CN102079456A CN 102079456 A CN102079456 A CN 102079456A CN 2010106005284 A CN2010106005284 A CN 2010106005284A CN 201010600528 A CN201010600528 A CN 201010600528A CN 102079456 A CN102079456 A CN 102079456A
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Abstract
The invention relates to the field of non-ferrous metal processing and discloses a coil stripping method and system capable of automatically switching high pressure and low pressure. A trolley bracket hydraulic ascending/descending coil stripping system comprises a hydraulic cylinder (2.1), a high-pressure ascending/descending coil stripping device and a low-pressure ascending/descending coil stripping device, wherein the high-pressure ascending/descending coil stripping device and the low-pressure ascending/descending coil stripping device which are arranged at the ascending oil inlet end of the hydraulic cylinder (2.1) are connected in parallel with a hydraulic source; a control system for automatically switching high pressure and low pressure is electrically connected with a low-pressure ascending signal travel switch (4) arranged on a trolley (3) positioned below a coiled material at a coiling machine, and provided with a signal sensor which is in contact with the coiled material (1) at the coiling machine, then stops the low-pressure ascending and is switched to high pressure to support the coiled material (1). According to the invention, the damage to a belt material can be avoided, and a coil stripping function can be realized; dependence on operators is reduced and the auxiliary time is shortened; and the operation is convenient and the equipment utilization rate is increased.
Description
Technical field
The present invention relates to the non-metals manufacture field, mainly is to twist in unloading in the various units at band to roll up operation and to the crush injury that the roll coil of strip causes, especially relate to a kind of coil stripping method and system of the high-low pressure that automaticallyes switch.
Background technology
Non-metals is in normal production, and the volume that unloads on reeler that can be frequent is operated, and divides cantilevered and bipyramid hair style because of the reel form of reeler, unloads the volume operation and divides two kinds.
1) for the cantilevered reel: dolly advances to reeler coiled material below, and the dolly bracket is risen by Driven by Hydraulic Cylinder, holds coiled material, and reel undergauge, dolly move lays down coiled material.
2) for bipyramid hair style reel: dolly advances under the reeler coiled material, and the dolly bracket is risen by Driven by Hydraulic Cylinder, holds coiled material, and after conehead was decontroled coiled material, dolly moves laid down coiled material.
The hydraulic schematic diagram of wherein, dolly bracket rising, decline as shown in Figure 1, 2.Hydraulic valve (2.3) right part b must conduct, and hydraulic actuating cylinder (2.1) is gone up long the liter, and the driving trolley bracket rises; Hydraulic valve (2.3) left part a must conduct, and hydraulic actuating cylinder (2.1) descends, and the driving trolley bracket descends.
In above-mentioned two kinds of forms, the process that all has dolly to rise and hold coiled material, because dolly will satisfy the requirement of holding maximum volume when design, the pressure of hydraulic efficiency pressure system is higher.When dolly contacts with coiled material, can inevitably cause coiled material to be squeezed, make the band damage.Therefore, operator is when unloading volume, and the dolly bracket rises and operates fully by rule of thumb, can too rely on peopleware.
Summary of the invention
Unload the problem that exists in the volume operation for overcoming above-mentioned tradition, the invention provides a kind of coil stripping method and system of the high-low pressure that automaticallyes switch; Can utilize and unload volume car automatic switchover high and low pressure system, make the roll coil of strip avoid extruding, reduce the damage of the roll coil of strip.
For achieving the above object, the present invention adopts following technical scheme:
A kind of volume system of unloading of the high-low pressure that automaticallyes switch comprises: the control system that volume system, automatic switchover high-low pressure are unloaded in the rise and fall of dolly bracket hydraulic pressure; The volume system is unloaded in the rise and fall of described dolly bracket hydraulic pressure, comprise: winding apparatus is unloaded in hydraulic actuating cylinder, high pressure rise and fall, winding apparatus is unloaded in the low pressure rise and fall, and the high pressure rise and fall of described hydraulic actuating cylinder rising oil inlet end are unloaded winding apparatus and low pressure rise and fall and unloaded winding apparatus and be connected in parallel to hydraulic power source; The low pressure rising signals travel switch that is provided with on the control system of described automatic switchover high-low pressure and the dolly that is positioned at reeler place coiled material below is electrically connected, and the control system of described automatic switchover high-low pressure is provided with being positioned at and stops the low pressure rising after reeler place coiled material contacts and switch to the signal transducer that high pressure is held coiled material.
A kind of volume system of unloading of the high-low pressure that automaticallyes switch, described low pressure rise and fall are unloaded winding apparatus and are made of by the series connection of modulated pressure valve hydraulic valve, and the one end is communicated with the hydraulic actuating cylinder rising oil inlet end that winding apparatus is unloaded in the high pressure rise and fall, and is provided with compression indicator; The other end is communicated with hydraulic power source.
A kind of volume system of unloading of the high-low pressure that automaticallyes switch, the hydraulic valve that winding apparatus is unloaded in the low pressure rise and fall is a two-position four way change valve.
A kind of coil stripping method of the high-low pressure that automaticallyes switch, its step is as follows:
1, when dolly was in the coiled material below, travel switch sent signal, and this signal is called 1;
2, dolly is after obtaining signal 1, and dolly bracket low pressure rises and contacts with coiled material, and contact back dolly bracket stops to rise, and the dolly bracket can not cause damage to coiled material;
3, after reel undergauge or bipyramid head unclamp, make control system output high pressure hold the signal 2 of coiled material by sensor, dolly automatically switches to high pressure and holds coiled material after obtaining signal 2, finishes and unloads volume.
Because adopt aforesaid technical scheme, the present invention has following preceence:
1, the coil stripping method of described a kind of high-low pressure that automaticallyes switch and system, it adopts low pressure to rise, and gently contacts with coiled material, adopts high pressure to hold coiled material, has both avoided damaging band, realizes unloading the volume function again;
2, the coil stripping method of described a kind of high-low pressure that automaticallyes switch and system, high-low pressure automaticallyes switch, and is easy to operate, reduces the dependence to operating personal, reduces non-cutting time, increases capacity utilization rate.
Description of drawings
Accompanying drawing 1 is traditional unloads the volume system schematic;
Accompanying drawing 2 is traditional unloads hydraulic actuating cylinder control schematic diagram in the volume system;
Accompanying drawing 3 be a kind of high-low pressure that automaticallyes switch unload the volume system schematic;
Accompanying drawing 4 is the hydraulic actuating cylinder control schematic diagrams in the volume system that unload of a kind of high-low pressure that automaticallyes switch.
Among the figure: the 1-coiled material; The 2-reel; The 3-dolly; 3.1-dolly bracket; The 4-travel switch; 2.1-hydraulic actuating cylinder; 2.2-hydraulic lock; 2.3-hydraulic valve; 2.4-hydraulic valve; 2.5-modulated pressure valve; 2.6-compression indicator.
The specific embodiment
As shown in Fig. 3,4: a kind of volume system of unloading of the high-low pressure that automaticallyes switch comprises: the control system that volume system, automatic switchover high-low pressure are unloaded in the rise and fall of dolly bracket hydraulic pressure; The volume system is unloaded in the rise and fall of described dolly bracket hydraulic pressure, comprise: winding apparatus is unloaded in hydraulic actuating cylinder (2.1), high pressure rise and fall, winding apparatus is unloaded in the low pressure rise and fall, and the high pressure rise and fall of described hydraulic actuating cylinder (2.1) rising oil inlet end are unloaded winding apparatus and low pressure rise and fall and unloaded winding apparatus and be connected in parallel to hydraulic power source; The control system of described automatic switchover high-low pressure goes up the low pressure rising signals travel switch (4) that is provided with the dolly (3) that is positioned at reeler place coiled material below and is electrically connected, and the control system of described automatic switchover high-low pressure is provided with being positioned at and stops the low pressure rising after reeler place coiled material (1) contacts and switch to the signal transducer that high pressure is held coiled material (1).Described low pressure rise and fall are unloaded winding apparatus and are made of by modulated pressure valve (2.5) series connection hydraulic valve (2.4), and the one end is communicated with hydraulic actuating cylinder (2.1) the rising oil inlet end that winding apparatus is unloaded in the high pressure rise and fall, and is provided with compression indicator (2.6); The other end is communicated with hydraulic power source.The hydraulic valve (2.4) that winding apparatus is unloaded in described low pressure rise and fall is a two-position four way change valve.
The high-low pressure switching principle of dolly bracket: in Fig. 4, hydraulic valve (2.4) gets electric, and the left part conducting can obtain suitable low pressure by modulated pressure valve (2.5), and force value shows by compression indicator (2.6).During modulated pressure valve (2.5), should keep hydraulic valve (2.3) right part b to conduct.Be hydraulic valve (2.4) electric and hydraulic valve (2.3) right part b gets when electric, hydraulic actuating cylinder (2.1) low pressure rises, and also is that dolly bracket (3.1) low pressure rises among Fig. 3.When hydraulic valve (2.4) dead electricity, the right part conducting, modulated pressure valve (2.5) can't enter and unload the volume system works.It is consistent that the winding apparatus principle is unloaded in total system and the high pressure rise and fall of Fig. 2, and dolly can only under high pressure be realized rise and fall.Described high pressure rise and fall are unloaded winding apparatus and are made of hydraulic actuating cylinder, hydraulic lock, hydraulic valve, and promptly hydraulic actuating cylinder is connected to hydraulic power source by hydraulic lock, three position four-way directional control valve; Described hydraulic actuating cylinder rising oil inlet end is connected to hydraulic power source OC, PC by two-position four way change valve, adjustment valve.
A kind of coil stripping method of the high-low pressure that automaticallyes switch, its step is as follows:
1, when dolly (3) was in the coiled material below, travel switch (4) sent signal, and this signal is called 1;
2, dolly (3) is after obtaining signal 1, and dolly bracket (3.1) low pressure rises and stops rising after coiled material (1) contacts; Because adopt low pressure to rise, system pressure is lower, bracket can not cause damage to coiled material;
3, after reel (2) undergauge or bipyramid head unclamp, take out the signal that high pressure is held coiled material from control system, dolly (3) automatically switches to high pressure and holds coiled material (1) after obtaining signal 2, finishes and unloads volume.
Claims (4)
1. the volume system of unloading of the high-low pressure that automaticallyes switch is characterized in that: comprising: the control system that volume system, automatic switchover high-low pressure are unloaded in the rise and fall of dolly bracket hydraulic pressure; The volume system is unloaded in the rise and fall of described dolly bracket hydraulic pressure, comprise: winding apparatus is unloaded in hydraulic actuating cylinder (2.1), high pressure rise and fall, winding apparatus is unloaded in the low pressure rise and fall, and the high pressure rise and fall of described hydraulic actuating cylinder (2.1) rising oil inlet end are unloaded winding apparatus and low pressure rise and fall and unloaded winding apparatus and be connected in parallel to hydraulic power source; The control system of described automatic switchover high-low pressure goes up the low pressure rising signals travel switch (4) that is provided with the dolly (3) that is positioned at reeler place coiled material below and is electrically connected, and the control system of described automatic switchover high-low pressure is provided with being positioned at and stops the low pressure rising after reeler place coiled material (1) contacts and switch to the signal transducer that high pressure is held coiled material (1).
2. the volume system of unloading of a kind of high-low pressure that automaticallyes switch according to claim 1, it is characterized in that: described low pressure rise and fall are unloaded winding apparatus by hydraulic valve b(2.4) constitute by modulated pressure valve (2.5) series connection, the one end is communicated with hydraulic actuating cylinder (2.1) the rising oil inlet end that winding apparatus is unloaded in the high pressure rise and fall, and is provided with compression indicator (2.6); The other end is communicated with hydraulic power source.
3. the volume system of unloading of a kind of high-low pressure that automaticallyes switch according to claim 1 is characterized in that: the hydraulic valve b(2.4 of winding apparatus is unloaded in the low pressure rise and fall) be two-position four way change valve.
4. implement the coil stripping method of a kind of high-low pressure that automaticallyes switch of the described system of claim 1,
Its step is as follows:
1), when dolly (3) is in coiled material (1) when below, travel switch (4) sends signal, this signal is called 1;
2), dolly (3) after obtaining signal 1, dolly bracket (3.1) low pressure rises and contact with coiled material (1), contact afterwards dolly bracket (3.1) stops rising, dolly bracket (3.1) can not cause damage to coiled material (1);
3), after reel (2) undergauge or bipyramid head unclamp, make control system output high pressure hold the signal 2 of coiled material by sensor, dolly (3) automatically switches to high pressure and holds coiled material (1) after obtaining signal 2, finishes and unloads volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106005284A CN102079456A (en) | 2010-12-22 | 2010-12-22 | Coil stripping method and system capable of automatically switching high pressure and low pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106005284A CN102079456A (en) | 2010-12-22 | 2010-12-22 | Coil stripping method and system capable of automatically switching high pressure and low pressure |
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| Publication Number | Publication Date |
|---|---|
| CN102079456A true CN102079456A (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106005284A Pending CN102079456A (en) | 2010-12-22 | 2010-12-22 | Coil stripping method and system capable of automatically switching high pressure and low pressure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407238A (en) * | 2011-11-21 | 2012-04-11 | 中色科技股份有限公司 | Hydraulic control loop for ironing roller device |
| CN103979341A (en) * | 2014-05-21 | 2014-08-13 | 吉翔宝（太仓）离型材料科技发展有限公司 | Novel automatic roller discharging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524777A (en) * | 1978-08-14 | 1980-02-22 | Hitachi Ltd | Hydraulic driving apparatus |
| JPH01170520A (en) * | 1987-12-25 | 1989-07-05 | Kawasaki Steel Corp | Method for controlling ascending and descending of coil car |
| JPH0815962B2 (en) * | 1992-04-30 | 1996-02-21 | 日新製鋼株式会社 | Coil car lifting device |
| KR20100131036A (en) * | 2009-06-05 | 2010-12-15 | 현대제철 주식회사 | Impact absorbing apparatus for hydraulic piping |
| CN201999559U (en) * | 2010-12-22 | 2011-10-05 | 中色科技股份有限公司 | Coil-unloading system for automatically switching high and low voltages |
-
2010
- 2010-12-22 CN CN2010106005284A patent/CN102079456A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524777A (en) * | 1978-08-14 | 1980-02-22 | Hitachi Ltd | Hydraulic driving apparatus |
| JPH01170520A (en) * | 1987-12-25 | 1989-07-05 | Kawasaki Steel Corp | Method for controlling ascending and descending of coil car |
| JPH0815962B2 (en) * | 1992-04-30 | 1996-02-21 | 日新製鋼株式会社 | Coil car lifting device |
| KR20100131036A (en) * | 2009-06-05 | 2010-12-15 | 현대제철 주식회사 | Impact absorbing apparatus for hydraulic piping |
| CN201999559U (en) * | 2010-12-22 | 2011-10-05 | 中色科技股份有限公司 | Coil-unloading system for automatically switching high and low voltages |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407238A (en) * | 2011-11-21 | 2012-04-11 | 中色科技股份有限公司 | Hydraulic control loop for ironing roller device |
| CN103979341A (en) * | 2014-05-21 | 2014-08-13 | 吉翔宝（太仓）离型材料科技发展有限公司 | Novel automatic roller discharging device |
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Application publication date: 20110601 |