CN103697011B - Tube bender trimmer valve - Google Patents
Tube bender trimmer valve Download PDFInfo
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- CN103697011B CN103697011B CN201310720537.0A CN201310720537A CN103697011B CN 103697011 B CN103697011 B CN 103697011B CN 201310720537 A CN201310720537 A CN 201310720537A CN 103697011 B CN103697011 B CN 103697011B
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- valve
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- valve pocket
- hydraulic fluid
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Abstract
The present invention relates to a kind of tube bender trimmer valve, it is characterized in that it comprises main valve body (1), a quiet valve pocket (2) is provided with in described main valve body (1), described quiet valve pocket (2) inside is provided with a movable valve plug (3), described main valve body (1) top is connected with a pilot valve (4), described main valve body (1) and the surface of contact of pilot valve (4) are provided with four hydraulic fluid ports, four hydraulic fluid ports are respectively P1 hydraulic fluid port, T1 hydraulic fluid port, A1 hydraulic fluid port and B1 hydraulic fluid port, and described main valve body (1) is provided with filler opening H1 and oil outlet H2.Namely the present invention cushions the oil-feed of oil circuit to working connection by auxiliary oil circuit and cushions, and tube bender trimmer valve is had oil cylinder acceleration and deceleration can be made steady, and realize the stable flow control of hydraulic system, improve bend pipe working efficiency, the advantage of rate of reducing the number of rejects and seconds.
Description
Technical field
The present invention relates to a kind of tube bender trimmer valve.
Background technique
Tube bender curved cylinder and thruster oil cylinder control the bending of pipe, the hydraulic system of traditional curved cylinder and thruster oil cylinder generally adopts hand switch flow control valve, oil cylinder starts then affects bend pipe working efficiency comparatively slowly, it is larger that oil cylinder starts the impact comparatively fast then caused, (thin-walled rate should control below 15% to cause pipe in BENDING PROCESS, easily cause the larger problem of thin-walled rate, once thin-walled rate is more than 15%, be waste product), this is also the greatest drawback of original tube bender hydraulic system.Therefore seeking one can make oil cylinder acceleration and deceleration steady, and realizes the stable flow control of hydraulic system, and improve bend pipe working efficiency, the tube bender trimmer valve of rate of reducing the number of rejects and seconds is particularly important.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide one that oil cylinder acceleration and deceleration can be made steady, and realize the stable flow control of hydraulic system, improve bend pipe working efficiency, the tube bender trimmer valve of rate of reducing the number of rejects and seconds.
The object of the present invention is achieved like this:
A kind of tube bender trimmer valve, it comprises main valve body, a quiet valve pocket is provided with in described main valve body, described quiet valve pocket inside is provided with a movable valve plug, described upper part of the main valve body is connected with a pilot valve, this pilot valve is two-position four-way solenoid valve, the surface of contact of described main valve body and pilot valve is provided with four hydraulic fluid ports, four hydraulic fluid ports are respectively P1 hydraulic fluid port, T1 hydraulic fluid port, A1 hydraulic fluid port, and B1 hydraulic fluid port, described main valve body is provided with pilot valve filler opening a and pilot valve oil outlet b, pilot valve filler opening a is communicated with P1 hydraulic fluid port, pilot valve oil outlet b is communicated with T1 hydraulic fluid port, B1 hydraulic fluid port on described main valve body is connected by right oil circuit with the right-hand member of quiet valve pocket, A1 hydraulic fluid port on described main valve body is connected by left oil circuit with the left end of quiet valve pocket, described quiet valve pocket is divided into five sections from left to right, the outer wall of the quiet valve pocket of second segment and the 4th section of quiet valve pocket all inwardly sinks to forming quiet valve pocket circular groove, the wall of the quiet valve pocket of second segment and the 4th section of quiet valve pocket has been circular layout vertically multiple aperture, the size of the aperture wherein in the quiet sleeve wall of second segment reduces from left to right successively, described movable valve plug is divided into three sections from left to right, the outer wall of second segment movable valve plug inwardly sinks to being formed movable valve plug circular groove, described main valve body is provided with filler opening H1 and oil outlet H2, described filler opening H1 is communicated with the quiet valve pocket circular groove of the quiet valve pocket of second segment, described oil outlet H2 is communicated with the quiet valve pocket circular groove of the 4th section of quiet valve pocket.
Preferred as one, the length of the quiet valve pocket of first paragraph is greater than the length of the quiet valve pocket of second segment, the quiet valve pocket of second segment is consistent with the length of the 4th section of quiet valve pocket, the length of first paragraph movable valve plug is consistent with the length of the quiet valve pocket of first paragraph, the length of second segment movable valve plug is consistent with the overall length of the quiet valve pocket of second segment, the 3rd section of quiet valve pocket and the 4th section of quiet valve pocket, and the overall length of second segment movable valve plug and the 3rd section of movable valve plug is consistent with the overall length of the 3rd section of quiet valve pocket, the 4th section of quiet valve pocket and the 5th section of quiet valve pocket.
Preferred as one, described pilot valve filler opening a place is provided with one-way valve, and described pilot valve oil outlet b place is also provided with one-way valve.
Preferred as one, the outer surface of first paragraph movable valve plug and the 3rd section of movable valve plug is provided with the seal groove of annular.
Compared with prior art, the invention has the beneficial effects as follows:
Namely the present invention cushions the oil-feed of oil circuit to working connection by auxiliary oil circuit and cushions, and tube bender trimmer valve is had oil cylinder acceleration and deceleration can be made steady, and realize the stable flow control of hydraulic system, improve bend pipe working efficiency, the advantage of rate of reducing the number of rejects and seconds.
Accompanying drawing explanation
Fig. 1 is the front view of tube bender trimmer valve of the present invention.
Fig. 2 is the main valve body plan view of tube bender trimmer valve of the present invention.
Fig. 3 is the A-A sectional view of Fig. 1.
Fig. 4 is the B-B sectional view of Fig. 1.
Fig. 5 be quiet valve pocket and the movable valve plug of tube bender trimmer valve of the present invention coordinate schematic diagram (movable valve plug is positioned at low order end).
Fig. 6 be quiet valve pocket and the movable valve plug of tube bender trimmer valve of the present invention coordinate schematic diagram (movable valve plug is positioned at high order end).
Fig. 7 is the quiet housing configuration schematic diagram of tube bender trimmer valve of the present invention.
Fig. 8 is the movable valve plug structural representation of tube bender trimmer valve of the present invention.
Fig. 9 is the using state hydraulic principle schematic diagram of tube bender trimmer valve of the present invention.
Wherein:
Main valve body 1
Quiet valve pocket 2
Movable valve plug 3
Pilot valve 4
Right oil circuit 5
Right return opening 6
Left oil circuit 7
Left return opening 8
Curved cylinder and thruster oil cylinder 9
Main reversing valve 10
Oil pump 11.
Embodiment
See Fig. 1 ~ Fig. 8, a kind of tube bender trimmer valve that the present invention relates to, it comprises main valve body 1, the quiet valve pocket 2 of a lateral arrangement is provided with in described main valve body 1, described quiet valve pocket 2 inside is provided with a movable valve plug 3, described main valve body 1 top is connected with a pilot valve 4, this pilot valve 4 is two-position four-way solenoid valve, described main valve body 1 and the surface of contact of pilot valve 4 are provided with four hydraulic fluid ports, four hydraulic fluid ports are respectively P1 hydraulic fluid port, T1 hydraulic fluid port, A1 hydraulic fluid port, and B1 hydraulic fluid port, P1 hydraulic fluid port, T1 hydraulic fluid port, A1 hydraulic fluid port, and B1 hydraulic fluid port is arranged in all around four orientation, the bottom of described main valve body 1 is provided with the pilot valve filler opening a and pilot valve oil outlet b that arrange front and back, pilot valve filler opening a is communicated with P1 hydraulic fluid port, pilot valve oil outlet b is communicated with T1 hydraulic fluid port, described pilot valve filler opening a place is provided with one-way valve (this one-way valve can provide o-volt protection), described pilot valve filler opening a place is arranged to restriction, oil inlet quantity can be regulated, described pilot valve oil outlet b place is also provided with one-way valve (this one-way valve can increase back pressure), B1 hydraulic fluid port on described main valve body 1 is connected by right oil circuit 5 with the right-hand member of quiet valve pocket 2, described right oil circuit 5 is connected with the right return opening 6 being arranged on main valve body 1 top, A1 hydraulic fluid port on described main valve body 1 is connected by left oil circuit 7 with the left end of quiet valve pocket 2, described left oil circuit 7 is connected with the left return opening 8 being arranged on main valve body 1 top.
Described quiet valve pocket 2 is divided into five sections from left to right, wherein the length of the quiet valve pocket of first paragraph is greater than the length of the quiet valve pocket of second segment, the quiet valve pocket of second segment is consistent with the length of the 4th section of quiet valve pocket, the outer wall of the quiet valve pocket of second segment and the 4th section of quiet valve pocket all inwardly sinks to forming quiet valve pocket circular groove, this quiet valve pocket circular groove is used for working connection to the oil-feed in quiet valve pocket 2 or outside fuel-displaced of quiet valve pocket 2, the wall of the quiet valve pocket of second segment and the 4th section of quiet valve pocket has been circular layout vertically multiple aperture, the size of the aperture wherein in the quiet sleeve wall of second segment reduces from left to right successively, the size of the aperture in the 4th section of quiet sleeve wall is consistent from left to right.
Described movable valve plug 3 is divided into three sections from left to right, the outer wall of second segment movable valve plug inwardly sinks to being formed movable valve plug circular groove, wherein the length of first paragraph movable valve plug is consistent with the length of the quiet valve pocket of first paragraph, the length of second segment movable valve plug is consistent with the overall length of the quiet valve pocket of second segment, the 3rd section of quiet valve pocket and the 4th section of quiet valve pocket, the external diameter of movable valve plug 3 is consistent with the internal diameter of quiet valve pocket 2, and the overall length of second segment movable valve plug and the 3rd section of movable valve plug is consistent with the overall length of the 3rd section of quiet valve pocket, the 4th section of quiet valve pocket and the 5th section of quiet valve pocket.The outer surface of first paragraph movable valve plug and the 3rd section of movable valve plug is provided with the seal groove of annular.
The front side of described main valve body 1 offers the filler opening H1 that arranges left and right and oil outlet H2, described filler opening H1 are communicated with the quiet valve pocket circular groove of the quiet valve pocket of second segment, and described oil outlet H2 is communicated with the quiet valve pocket circular groove of the 4th section of quiet valve pocket.
Working principle:
See Fig. 9, the curved cylinder of tube bender and thruster oil cylinder 9 are controlled by a main reversing valve 10, this main reversing valve 10 is two-position four-way solenoid directional control valve, oil circuit between oil pump 11 and the oil inlet P 2 of main reversing valve 10 is provided with tube bender trimmer valve of the present invention (shown in dotted line frame in Fig. 3), the oil cylinder acceleration and deceleration being controlled the curved cylinder of tube bender and thruster oil cylinder by tube bender trimmer valve are steady, and realize the stable flow control of hydraulic system, improve bend pipe working efficiency, rate of reducing the number of rejects and seconds.
Original state, movable valve plug 3 is positioned at the right-hand member (Fig. 5) of quiet valve pocket 2, oil pump is to filler opening H1 oil-feed, because now the aperture of the oil-feed of second segment Jing Fataochu is blocked by first paragraph movable valve plug, make filler opening H1 cannot to oil outlet H2 fuel feeding, thus the working connection that main reversing valve 10 controls is obstructed, curved cylinder and the thruster oil cylinder 9 of tube bender are failure to actuate.
Along with oil pump is slowly to auxiliary oil circuit oil-feed, i.e. pilot valve filler opening a oil-feed, the oily P1 hydraulic fluid port through pilot valve (this pilot valve can carry out switch to the buffering of working connection) is to B1 hydraulic fluid port, the right-hand member in quiet valve pocket 2 is entered from right oil circuit 5, promote movable valve plug 3 to be moved to the left, oil in quiet valve pocket 2 on the left of movable valve plug 3 returns into fuel tank, now movable valve plug 3 is moved to the left first paragraph movable valve plug and is no longer blocked completely by the aperture of the oil-feed of second segment Jing Fataochu, the aperture of the oil-feed of second segment Jing Fataochu is slowly unimpeded from right to left can oil-feed, oil-feed speed is changed from small to big, until maximum (Fig. 6, now movable valve plug 3 is positioned at the left end of quiet valve pocket 2), the oil of working connection is successively through filler opening H1, the aperture of the oil-feed of second segment Jing Fataochu, movable valve plug circular groove, the fuel-displaced aperture of second segment Jing Fataochu, oil outlet H2 enters main reversing valve 10, thus control the curved cylinder of tube bender and the action of thruster oil cylinder 9.
By controlling the motion of movable valve plug, the oil-feed speed of working connection is changed from small to big, the acceleration and deceleration that also just can control oil cylinder of changing from small to big of working connection oil-feed speed are steady, and realize the stable flow control of hydraulic system, raising bend pipe working efficiency, rate of reducing the number of rejects and seconds.
Claims (5)
1. a tube bender trimmer valve, it is characterized in that it comprises main valve body (1), a quiet valve pocket (2) is provided with in described main valve body (1), described quiet valve pocket (2) inside is provided with a movable valve plug (3), described main valve body (1) top is connected with a pilot valve (4), this pilot valve (4) is two-position four-way solenoid valve, described main valve body (1) and the surface of contact of pilot valve (4) are provided with four hydraulic fluid ports, four hydraulic fluid ports are respectively P1 hydraulic fluid port, T1 hydraulic fluid port, A1 hydraulic fluid port, and B1 hydraulic fluid port, described main valve body (1) is provided with pilot valve filler opening a and pilot valve oil outlet b, pilot valve filler opening a is communicated with P1 hydraulic fluid port, pilot valve oil outlet b is communicated with T1 hydraulic fluid port, B1 hydraulic fluid port on described main valve body (1) is connected by right oil circuit (5) with the right-hand member of quiet valve pocket (2), A1 hydraulic fluid port on described main valve body (1) is connected by left oil circuit (7) with the left end of quiet valve pocket (2), described quiet valve pocket (2) is divided into five sections from left to right, the outer wall of the quiet valve pocket of second segment and the 4th section of quiet valve pocket all inwardly sinks to forming quiet valve pocket circular groove, the wall of the quiet valve pocket of second segment and the 4th section of quiet valve pocket has been circular layout vertically multiple aperture, the size of the aperture wherein in the quiet sleeve wall of second segment reduces from left to right successively, described movable valve plug (3) is divided into three sections from left to right, the outer wall of second segment movable valve plug inwardly sinks to being formed movable valve plug circular groove, described main valve body (1) is provided with filler opening H1 and oil outlet H2, described filler opening H1 is communicated with the quiet valve pocket circular groove of the quiet valve pocket of second segment, described oil outlet H2 is communicated with the quiet valve pocket circular groove of the 4th section of quiet valve pocket.
2. a kind of tube bender trimmer valve according to claim 1, it is characterized in that the length of the quiet valve pocket of first paragraph is greater than the length of the quiet valve pocket of second segment, the quiet valve pocket of second segment is consistent with the length of the 4th section of quiet valve pocket, the length of first paragraph movable valve plug is consistent with the length of the quiet valve pocket of first paragraph, the length of second segment movable valve plug is consistent with the overall length of the quiet valve pocket of second segment, the 3rd section of quiet valve pocket and the 4th section of quiet valve pocket, and the overall length of second segment movable valve plug and the 3rd section of movable valve plug is consistent with the overall length of the 3rd section of quiet valve pocket, the 4th section of quiet valve pocket and the 5th section of quiet valve pocket.
3. a kind of tube bender trimmer valve according to claim 1 and 2, it is characterized in that described pilot valve filler opening a place is provided with one-way valve, described pilot valve oil outlet b place is also provided with one-way valve.
4. a kind of tube bender trimmer valve according to claim 1 and 2, is characterized in that the outer surface of first paragraph movable valve plug and the 3rd section of movable valve plug is provided with the seal groove of annular.
5. a kind of tube bender trimmer valve according to claim 3, is characterized in that the outer surface of first paragraph movable valve plug and the 3rd section of movable valve plug is provided with the seal groove of annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720537.0A CN103697011B (en) | 2013-12-24 | 2013-12-24 | Tube bender trimmer valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720537.0A CN103697011B (en) | 2013-12-24 | 2013-12-24 | Tube bender trimmer valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103697011A CN103697011A (en) | 2014-04-02 |
| CN103697011B true CN103697011B (en) | 2015-09-09 |
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ID=50358648
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310720537.0A Active CN103697011B (en) | 2013-12-24 | 2013-12-24 | Tube bender trimmer valve |
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| Country | Link |
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| CN (1) | CN103697011B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2833358A1 (en) * | 1978-07-29 | 1980-02-07 | Demag Ag Mannesmann | Pneumatic or hydraulic control valve - has outlet ports formed by holes of gradually increasing size to give gradual pressure increase |
| CN201306458Y (en) * | 2008-12-03 | 2009-09-09 | 徐州重型机械有限公司 | Flow control valve and hydraulic control system |
| CN102112755A (en) * | 2008-06-02 | 2011-06-29 | 伊顿公司 | Valve manifold |
| CN202416432U (en) * | 2012-01-13 | 2012-09-05 | 上海寅翔液压技术有限公司 | Sudden stop buffering device for excavator |
| CN202867371U (en) * | 2012-08-17 | 2013-04-10 | 柳州柳工液压件有限公司 | Cushion valve |
| CN203627380U (en) * | 2013-12-24 | 2014-06-04 | 江阴机械制造有限公司 | Cushion valve used for pipe bending machine |
-
2013
- 2013-12-24 CN CN201310720537.0A patent/CN103697011B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2833358A1 (en) * | 1978-07-29 | 1980-02-07 | Demag Ag Mannesmann | Pneumatic or hydraulic control valve - has outlet ports formed by holes of gradually increasing size to give gradual pressure increase |
| CN102112755A (en) * | 2008-06-02 | 2011-06-29 | 伊顿公司 | Valve manifold |
| CN201306458Y (en) * | 2008-12-03 | 2009-09-09 | 徐州重型机械有限公司 | Flow control valve and hydraulic control system |
| CN202416432U (en) * | 2012-01-13 | 2012-09-05 | 上海寅翔液压技术有限公司 | Sudden stop buffering device for excavator |
| CN202867371U (en) * | 2012-08-17 | 2013-04-10 | 柳州柳工液压件有限公司 | Cushion valve |
| CN203627380U (en) * | 2013-12-24 | 2014-06-04 | 江阴机械制造有限公司 | Cushion valve used for pipe bending machine |
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| Publication number | Publication date |
|---|---|
| CN103697011A (en) | 2014-04-02 |
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