CN203627380U - Cushion valve used for pipe bending machine - Google Patents
Cushion valve used for pipe bending machine Download PDFInfo
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- CN203627380U CN203627380U CN201320856453.5U CN201320856453U CN203627380U CN 203627380 U CN203627380 U CN 203627380U CN 201320856453 U CN201320856453 U CN 201320856453U CN 203627380 U CN203627380 U CN 203627380U
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- valve
- quiet
- valve pocket
- oil
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Abstract
The utility model relates to a cushion valve used for a pipe bending machine. The cushion valve is characterized by comprising a main valve body (1), wherein a static valve sleeve (2) is arranged inside the main valve body (1), a moving valve element (3) is arranged inside the static valve sleeve (2), the upper portion of the main valve body (1) is connected with a pilot valve (4), the contact surface of the main valve body (1) and the pilot valve (4) is evenly provided with four oil mouths which are the oil mouth P1, the oil mouth T1, the oil mouth A1 and the oil mouth B1, and the main valve body (1) is provided with an oil inlet H1 and an oil outlet H2. According to the cushion valve, oil entering a main oil line is buffered through a secondary oil line which is a buffering oil line, so that the cushion valve used for the pipe bending machine has the advantages that an oil cylinder accelerates and decelerates stably, stable flow control of a hydraulic system is achieved, pipe bending work efficiency is improved, and the rejection rate is reduced.
Description
Technical field
The utility model relates to a kind of tube bender trimmer valve.
Background technique
Tube bender is controlled the bending of pipe with curved cylinder and thruster oil cylinder, the hydraulic system of traditional curved cylinder and thruster oil cylinder generally adopts hand switch flow control valve, oil cylinder starts more affects bend pipe working efficiency, it is larger that oil cylinder starts the impact comparatively fast causing, (thin-walled rate should be controlled at below 15% to cause pipe in BENDING PROCESS, easily to cause the problem that thin-walled rate is larger, once thin-walled rate exceedes 15%, be waste product), this is also the greatest drawback of original tube bender hydraulic system.Therefore seek one and can make oil cylinder acceleration and deceleration steady, and realize the flow control that hydraulic system is stable, improve bend pipe working efficiency, the tube bender of the rate of reducing the number of rejects and seconds is particularly important with trimmer valve.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides one can make oil cylinder acceleration and deceleration steady, and realizes the flow control that hydraulic system is stable, improves bend pipe working efficiency, the tube bender trimmer valve of the rate of reducing the number of rejects and seconds.
The purpose of this utility model is achieved in that
A kind of tube bender trimmer valve, it comprises main valve body, in described main valve body, be provided with a quiet valve pocket, 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, on the surface of contact of described main valve body and pilot valve, be 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, on described main valve body, be 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, multiple apertures have vertically been circular layout on the wall of the quiet valve pocket of second segment and the 4th section of quiet valve pocket, wherein the size of the aperture 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 forming 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 the quiet valve pocket of first paragraph and the 3rd section of movable valve plug is provided with annular seal groove.
Compared with prior art, the beneficial effects of the utility model are:
The utility model cushions oil circuit by auxiliary oil circuit the oil-feed of working connection is cushioned, tube bender trimmer valve is had can make oil cylinder acceleration and deceleration steady, and realize the flow control that hydraulic system is stable, improve bend pipe working efficiency, the advantage of the rate of reducing the number of rejects and seconds.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model tube bender trimmer valve.
Fig. 2 is the main valve body plan view of the utility model tube bender trimmer valve.
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 the utility model tube bender trimmer valve quiet valve pocket and movable valve plug coordinate schematic diagram (movable valve plug is positioned at low order end).
Fig. 6 be the utility model tube bender trimmer valve quiet valve pocket and movable valve plug coordinate schematic diagram (movable valve plug is positioned at high order end).
Fig. 7 is the quiet valve pocket structural representation of the utility model tube bender trimmer valve.
Fig. 8 is the movable valve plug structural representation of the utility model tube bender trimmer valve.
Fig. 9 is the use state hydraulic principle schematic diagram of the utility model tube bender trimmer valve.
Wherein:
Right return opening 6
Left return opening 8
Curved cylinder and thruster oil cylinder 9
Embodiment
Referring to Fig. 1 ~ Fig. 8, a kind of tube bender trimmer valve that the utility model relates to, it comprises main valve body 1, in described main valve body 1, be provided with the quiet valve pocket 2 of a lateral arrangement, described quiet valve pocket 2 inside are 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, on the surface of contact of described main valve body 1 and pilot valve 4, be 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 four orientation layouts all around, the pilot valve filler opening a and the pilot valve oil outlet b that before and after the bottom of described main valve body 1 is provided with, arrange, 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, can regulate oil inlet quantity, 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 that is 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 that is 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 for working connection to the oil-feed in quiet valve pocket 2 or outside fuel-displaced of quiet valve pocket 2, multiple apertures have vertically been circular layout on the wall of the quiet valve pocket of second segment and the 4th section of quiet valve pocket, wherein the size of the aperture 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 forming 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 the quiet valve pocket of first paragraph and the 3rd section of movable valve plug is provided with annular seal groove.
The front side of described main valve body 1 offers filler opening H1 and the oil outlet H2 that left and right is arranged, described filler opening H1 is 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:
Referring to 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, on oil circuit between oil pump 11 and the oil inlet P 2 of main reversing valve 10, be provided with trimmer valve for tube bender of the present utility model (in Fig. 3 in dotted line frame shown in), steady with the curved cylinder of trimmer valve control tube bender and the oil cylinder acceleration and deceleration of thruster oil cylinder by tube bender, and realize the flow control that hydraulic system is stable, improve bend pipe working efficiency, the 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 first paragraph movable valve plug is now blocked the aperture of the oil-feed of second segment Jing Fataochu, make the filler opening H1 cannot be to oil outlet H2 fuel feeding, thereby the working connection that main reversing valve 10 is controlled is obstructed, the curved cylinder of tube bender and thruster oil cylinder 9 are failure to actuate.
Along with oil pump is slowly to auxiliary oil circuit oil-feed, it is pilot valve filler opening a oil-feed, the P1 hydraulic fluid port of oil process pilot valve (this pilot valve can carry out switch to the buffering of working connection) is to B1 hydraulic fluid port, enter the right-hand member in quiet valve pocket 2 from right oil circuit 5, promoting movable valve plug 3 is moved to the left, the oil in the interior movable valve plug of quiet valve pocket 23 left sides returns into fuel tank, now movable valve plug 3 is moved to the left first paragraph movable valve plug and no longer the aperture of the oil-feed of second segment Jing Fataochu is blocked completely, 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 passes through filler opening H1 successively, 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, thereby 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, working connection oil-feed speed is changed from small to big, and also just to control the acceleration and deceleration of oil cylinder steady, and realize the flow control that hydraulic system is stable, raising bend pipe working efficiency, the 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), in described main valve body (1), be provided with a quiet valve pocket (2), 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, on the surface of contact of described main valve body (1) and pilot valve (4), be 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, on described main valve body (1), be 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, multiple apertures have vertically been circular layout on the wall of the quiet valve pocket of second segment and the 4th section of quiet valve pocket, wherein the size of the aperture 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 forming 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, is characterized in that 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.
4. a kind of tube bender trimmer valve according to claim 1 and 2, is characterized in that the outer surface of the quiet valve pocket of first paragraph and the 3rd section of movable valve plug is provided with annular seal groove.
5. a kind of tube bender trimmer valve according to claim 3, is characterized in that the outer surface of the quiet valve pocket of first paragraph and the 3rd section of movable valve plug is provided with annular seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856453.5U CN203627380U (en) | 2013-12-24 | 2013-12-24 | Cushion valve used for pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856453.5U CN203627380U (en) | 2013-12-24 | 2013-12-24 | Cushion valve used for pipe bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627380U true CN203627380U (en) | 2014-06-04 |
Family
ID=50813863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320856453.5U Withdrawn - After Issue CN203627380U (en) | 2013-12-24 | 2013-12-24 | Cushion valve used for pipe bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697011A (en) * | 2013-12-24 | 2014-04-02 | 江阴机械制造有限公司 | Cushion valve for pipe bending machine |
-
2013
- 2013-12-24 CN CN201320856453.5U patent/CN203627380U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697011A (en) * | 2013-12-24 | 2014-04-02 | 江阴机械制造有限公司 | Cushion valve for pipe bending machine |
| CN103697011B (en) * | 2013-12-24 | 2015-09-09 | 江阴机械制造有限公司 | Tube bender trimmer valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |