CN102865212B - Conversion valve for vacuum pump of cutting machine - Google Patents
Conversion valve for vacuum pump of cutting machine Download PDFInfo
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- CN102865212B CN102865212B CN201210342848.3A CN201210342848A CN102865212B CN 102865212 B CN102865212 B CN 102865212B CN 201210342848 A CN201210342848 A CN 201210342848A CN 102865212 B CN102865212 B CN 102865212B
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- iron core
- air
- piston rod
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Abstract
The invention relates to a conversion valve for a vacuum pump of a cutting machine and belongs to the technical field of machinery. The conversion valve is composed of a valve body, a pulling type electromagnet, a piston rod, pistons and a resetting spring, wherein air pores are arranged on two separating surfaces of a middle cavity, an air outlet cavity and an air inlet cavity; the air pores are also arranged at the air inlet cavity end of the valve body; a mounting hole is arranged at the air outlet cavity end of the valve body; the pulling type electromagnet is mounted at the air outlet cavity end of the valve body; one end of the piston rod is connected with a moveable iron core of the pulling type electromagnet; the piston rod is arranged in three air pores of the valve body in a penetrating form; three pistons are fixed on the piston rod; the three pistons are respectively matched with the three air pores on the valve body; and the resetting spring is arranged in the air outlet cavity. Under the action of the pulling type electromagnet, the piston rod can move and can drive the pistons to control the open/close states of the three air pores, so that the quick releasing and absorbing for materials are realized. The vacuum pump is electrified all the time and is not frequently started and a blowback vacuum pump is not used.
Description
Technical field
The present invention is a kind of switching valve for cutting machine vacuum pump, belongs to field of mechanical technique.
Background technique
Current cutting machine owing to being subject to cost, the restriction in place etc., it is very large that effective picture size can not do, when Cutting Length is greater than machine length, just need one feeder accurately, ensure the positional accuracy of feeding, the figure of cutting can accurately be docked.In order to realize this function, unclamping fast with fixing material must be realized.
Switching valve structural design for cutting machine vacuum pump of the prior art is unreasonable, needs two vacuum pumps, and it is frequent to use intermediate pump to start, and working life is short.As shown in Figure 1, valve A has three interfaces, what be connected with the inlet end of adsorption vacuum pump 9 ' is inlet end interface 11 ', with blowback vacuum pump 9 ' ' outlet side is connected is outlet side interface 12 ', what be connected with air cavity 10 ' is working end interface 13 '.When cutting machine is in cut state, valve A closes, and adsorption vacuum pump 9 ' is opened, blowback vacuum pump 9 ' ' close, air cavity 10 ' negative pressure, absorption material; When cutting machine is in feeding state, valve A opens, and adsorption vacuum pump 9 ' is closed, blowback vacuum pump 9 ' ' to open, air cavity 10 ' malleation, unclamps material.
Summary of the invention
The object of the present invention is to provide a kind of reasonable in design, easy to operate, working efficiency is high, the frequent starting of vacuum pump can be avoided, extend the working life of vacuum pump, and do not need the switching valve for cutting machine vacuum pump using blowback vacuum pump.
It is that this switching valve for cutting machine vacuum pump is by valve body that the present invention solves the problems of the technologies described above adopted technological scheme, towed electromagnet, piston rod, piston and Returnning spring are formed, described valve body is by outlet chamber, air-inlet cavity and intermediate cavity are formed, described outlet chamber is provided with the outlet side interface be connected with vacuum pump outlet side, described air-inlet cavity is provided with the inlet end interface be connected with vacuum pump inlet end, described intermediate cavity is positioned at the centre of outlet chamber and air-inlet cavity, intermediate cavity is provided with the working end interface be connected with cutting machine air cavity, two of intermediate cavity and outlet chamber and air-inlet cavity respectively have pore on face, the air-inlet cavity end of valve body also has pore, the outlet chamber end of valve body has mounting hole, described towed electromagnet is arranged on the outlet chamber end of valve body, and towed electromagnet is made up of enameled wire loop, iron core shell, core flange and dynamic iron core, one end of described piston rod is connected with the dynamic iron core of towed electromagnet, and piston rod runs through and is arranged in above-mentioned three pores of valve body, and piston rod is fixed with three pistons, described three pistons mate with the pore of three on valve body respectively, described Returnning spring is arranged in outlet chamber, and Returnning spring leans on the diameter of mounting hole one end to be greater than the diameter of mounting hole, and the diameter by piston one end of Returnning spring is less than the diameter of piston.Described piston rod can be moved by the effect of towed electromagnet, and piston rod drives piston, thus can be controlled the opening and closing OFF state of three pores by the energising of electromagnet and power-off, realize unclamping fast and absorption material; Described Returnning spring can make towed electromagnet and piston automatic-resetting, eliminates artificial, improves working efficiency; This reasonable in design, easy to operate, vacuum pump is energized always does not need frequent starting, extends the working life of vacuum pump, and does not need to use blowback vacuum pump.
Enameled wire loop of the present invention is fixed in iron core shell; One end of described iron core shell is provided with slide, and the other end of iron core shell is connected with the outlet chamber end of valve body by core flange; Described dynamic iron core sleeve is in core flange, and one end of dynamic iron core has chute, and chute coordinates with slide, and the other end that moves iron core passes mounting hole in outlet chamber and is connected with piston rod.Core flange makes the outlet chamber end of valve body have certain sealing, makes the good working effect of vacuum pump, realizes unclamping fast and absorption material.
The side of outlet side of the present invention interface has ventilating hole.The air of vacuum pump outlet side during absorption material can be discharged from ventilating hole fast.
The outer ring of piston of the present invention is provided with rubber ring.Good airproof performance when rubber ring makes piston block pore, makes the good working effect of vacuum pump, realizes unclamping fast and absorption material.
The diameter of piston of the present invention is 90mm, and the diameter of described pore is 80mm.Ensure the efficiency that vacuum pump is bled to air cavity and inflated to realize unclamping fast and absorption material, and good sealing effect.
The present invention compared with prior art structure simple, design ingenious, easy to use, only need apply an electrical signal to towed electromagnet, dynamic iron core just can pull piston rod to move, thus reaches the object turned to vacuum pump.It not only can avoid the frequent starting of vacuum pump, extends the working life of vacuum pump, but also does not need to use blowback vacuum pump, reduces cost of production.
Accompanying drawing explanation
Fig. 1 is the structural representation of background technique.
Fig. 2 is the main TV structure schematic diagram of the present embodiment.
Fig. 3 is the closed state center cross-sectional schematic of the present embodiment.
Fig. 4 is the open mode center cross-sectional schematic of the present embodiment.
Label declaration: dynamic iron core 1, Returnning spring 2, valve body 3, mounting hole 31, pore 32, piston 4, piston rod 5, enameled wire loop 6, iron core shell 7, slide 71, chute 72, core flange 8, vacuum pump 9, air cavity 10, outlet side interface 11, inlet end interface 12, working end interface 13, ventilating hole 14, rubber ring 15, towed electromagnet I.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment 1: as shown in Figures 2 to 4, and the present embodiment comprises dynamic iron core 1, Returnning spring 2, valve body 3, piston rod 5, piston 4, enameled wire loop 6, iron core shell 7 and core flange 8.
Annexation is: described outlet chamber 10 is provided with the outlet side interface 11 be connected with the outlet side of vacuum pump 9, described air-inlet cavity is provided with the inlet end interface 12 be connected with the inlet end of vacuum pump 9, described intermediate cavity is positioned at the centre of outlet chamber and air-inlet cavity, intermediate cavity is provided with the working end interface 13 be connected with the air cavity 10 of cutting machine, two of intermediate cavity and outlet chamber and air-inlet cavity respectively have pore 32 on face, the air-inlet cavity end of valve body 3 also has pore 32, and the outlet chamber end of valve body 3 has mounting hole 31; Described towed electromagnet I is arranged on the outlet chamber end of valve body 3, one end of described piston rod 5 is connected with the dynamic iron core 1 of towed electromagnet I, piston rod 5 runs through and is arranged in above-mentioned three pores 32 of valve body 3, piston rod 5 is fixed with three pistons 4, described three pistons 4 mate with the pore of three on valve body 3 32 respectively; Described Returnning spring 2 is arranged in outlet chamber; Described enameled wire loop 6 is fixed in iron core shell 7; One end of described iron core shell 7 is provided with slide 71, and the other end of iron core shell 7 is connected with the outlet chamber end of valve body 3 by core flange 8; Described dynamic iron core 1 is enclosed within core flange 8, and one end of dynamic iron core 1 has chute 72, and chute 72 coordinates with slide 71, and the other end of dynamic iron core 1 passes mounting hole 31 in outlet chamber and is connected with piston rod 5.
Described in the present embodiment, Returnning spring 2 leans on the diameter of mounting hole 31 one end to be greater than the diameter of mounting hole 31, and Returnning spring 2 leans on the diameter of piston 4 one end to be less than the diameter of piston 4.Described Returnning spring 2 can make towed electromagnet I and piston 4 automatically reset, and eliminates artificial, improves working efficiency.
Described in the present embodiment, the side of outlet side interface 11 has ventilating hole 14.The air of vacuum pump 9 outlet side during absorption material can be discharged from ventilating hole 14 fast.
The diameter of piston 4 described in the present embodiment is larger than the diameter of pore 32, and the outer ring of described piston 4 is provided with rubber ring 15.Good airproof performance when rubber ring 15 makes piston 4 block pore 32, makes the good working effect of vacuum pump 9, realizes unclamping fast and absorption material.
Described in the present embodiment, the diameter of piston 4 is 90mm, and the diameter of described pore 32 is 80mm.Ensure the efficiency that vacuum pump 9 pairs of air cavitys 10 are bled and inflated to realize unclamping fast and absorption material, and good sealing effect.
During towed electromagnet I no electric circuit (as Fig. 3), piston rod 5 makes three pistons 4 relatively keep right in valve body 3 under the effect of Returnning spring 2, three pistons 4 on piston rod 5 coordinate with the pore of three on valve body 3 32 respectively, middle pore 32 is only had to be in open state, at this moment the air cavity 10 of cutting machine is connected with the inlet end of vacuum pump 9, make to be in negative pressure state, thus the fixing material of absorption, now cutting machine is in the state of cutting material.
When towed electromagnet energising (as Fig. 4), piston rod 5 is moved to the left under the suction of towed electromagnet I, piston rod 5 drives on it three pistons 4 to be moved to the left, make on valve body 3 three pores 32, to only have middle pore 32 to be in closed state, at this moment the air cavity 10 of cutting machine is connected with the outlet side of vacuum pump 9, make to be in barotropic state, thus unclamp material, now cutting machine is in feeding state.
The present embodiment compared with prior art structural design is simply ingenious, easy to use, only need apply an electrical signal to towed electromagnet I, and dynamic iron core 1 just can pull piston rod 5 to be moved to the left, thus reaches the object turned to vacuum pump 9.It not only can avoid the frequent starting of vacuum pump 9, extends the working life of vacuum pump 9, and can also save a blowback vacuum pump 9 ' ' (as Fig. 1).
In addition, it should be noted that, the specific embodiment described in this specification, the shape, institute's title of being named etc. of its parts and components can be different.All equivalences of doing according to structure, feature and the principle described in inventional idea of the present invention or simple change, be included in the protection domain of patent of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (4)
1. the switching valve for cutting machine vacuum pump, it is characterized in that: by valve body, towed electromagnet, piston rod, piston and Returnning spring are formed, described valve body is by outlet chamber, air-inlet cavity and intermediate cavity are formed, described outlet chamber is provided with the outlet side interface be connected with vacuum pump outlet side, described air-inlet cavity is provided with the inlet end interface be connected with vacuum pump inlet end, described intermediate cavity is positioned at the centre of outlet chamber and air-inlet cavity, intermediate cavity is provided with the working end interface be connected with cutting machine air cavity, two of intermediate cavity and outlet chamber and air-inlet cavity respectively have pore on face, the air-inlet cavity end of valve body also has pore, the outlet chamber end of valve body has mounting hole, described towed electromagnet is arranged on the outlet chamber end of valve body, and towed electromagnet is made up of enameled wire loop, iron core shell, core flange and dynamic iron core, one end of described piston rod is connected with the dynamic iron core of towed electromagnet, and piston rod runs through and is arranged in above-mentioned three pores of valve body, and piston rod is fixed with three pistons, described three pistons mate with the pore of three on valve body respectively, described Returnning spring is arranged in outlet chamber, and Returnning spring leans on the diameter of mounting hole one end to be greater than the diameter of mounting hole, and the diameter by piston one end of Returnning spring is less than the diameter of piston, described enameled wire loop is fixed in iron core shell, one end of described iron core shell is provided with slide, and the other end of iron core shell is connected with the outlet chamber end of valve body by core flange, described dynamic iron core sleeve is in core flange, and one end of dynamic iron core has chute, and chute coordinates with slide, and the other end that moves iron core passes mounting hole in outlet chamber and is connected with piston rod.
2. according to the switching valve for cutting machine vacuum pump described in claim 1, be characterised in that: the side of described outlet side interface has ventilating hole.
3. the switching valve for cutting machine vacuum pump according to claim 1 and 2, is characterised in that: the outer ring of described piston is provided with rubber ring.
4. the switching valve for cutting machine vacuum pump according to claim 3, is characterised in that: the diameter of described piston is 90mm, and the diameter of described pore is 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210342848.3A CN102865212B (en) | 2012-09-17 | 2012-09-17 | Conversion valve for vacuum pump of cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210342848.3A CN102865212B (en) | 2012-09-17 | 2012-09-17 | Conversion valve for vacuum pump of cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102865212A CN102865212A (en) | 2013-01-09 |
| CN102865212B true CN102865212B (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210342848.3A Active CN102865212B (en) | 2012-09-17 | 2012-09-17 | Conversion valve for vacuum pump of cutting machine |
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| Country | Link |
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| CN (1) | CN102865212B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52129020A (en) * | 1976-04-22 | 1977-10-29 | Kiyoshi Yashima | Fin type direction control valve |
| US4067357A (en) * | 1974-06-14 | 1978-01-10 | Herion-Werke Kg | Pilot-operated directional control valve |
| JPS5436070A (en) * | 1977-08-26 | 1979-03-16 | Toshiba Corp | Washer |
| CN88210090U (en) * | 1988-01-27 | 1988-09-21 | 沈阳市玛钢厂 | Bidirectional explosion-proof electromagnetic stop valve |
| EP0701075A2 (en) * | 1994-09-06 | 1996-03-13 | Ingersoll-Rand Company | Air valve for air motor |
| CN2544152Y (en) * | 2002-05-22 | 2003-04-09 | 陆峥 | Sychronous three-way reciprocative ultrashort stroke reversal valve |
| CN2761930Y (en) * | 2004-12-20 | 2006-03-01 | 丹东电磁阀厂 | Two-position four-way electromagnetic valve |
| CN201714634U (en) * | 2010-05-28 | 2011-01-19 | 湖南云箭集团有限公司 | Air intake valve structure of air compressor |
| CN202867136U (en) * | 2012-09-17 | 2013-04-10 | 杭州爱科科技有限公司 | Conversion valve used for cutting machine vacuum pump |
-
2012
- 2012-09-17 CN CN201210342848.3A patent/CN102865212B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067357A (en) * | 1974-06-14 | 1978-01-10 | Herion-Werke Kg | Pilot-operated directional control valve |
| JPS52129020A (en) * | 1976-04-22 | 1977-10-29 | Kiyoshi Yashima | Fin type direction control valve |
| JPS5436070A (en) * | 1977-08-26 | 1979-03-16 | Toshiba Corp | Washer |
| CN88210090U (en) * | 1988-01-27 | 1988-09-21 | 沈阳市玛钢厂 | Bidirectional explosion-proof electromagnetic stop valve |
| EP0701075A2 (en) * | 1994-09-06 | 1996-03-13 | Ingersoll-Rand Company | Air valve for air motor |
| CN2544152Y (en) * | 2002-05-22 | 2003-04-09 | 陆峥 | Sychronous three-way reciprocative ultrashort stroke reversal valve |
| CN2761930Y (en) * | 2004-12-20 | 2006-03-01 | 丹东电磁阀厂 | Two-position four-way electromagnetic valve |
| CN201714634U (en) * | 2010-05-28 | 2011-01-19 | 湖南云箭集团有限公司 | Air intake valve structure of air compressor |
| CN202867136U (en) * | 2012-09-17 | 2013-04-10 | 杭州爱科科技有限公司 | Conversion valve used for cutting machine vacuum pump |
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| Publication number | Publication date |
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| CN102865212A (en) | 2013-01-09 |
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Address after: 310053 Hangzhou hi tech Industrial Development Zone new and high tech park, Zhejiang Province, No. 1 Patentee after: Hangzhou Aike Polytron Technologies Inc Address before: 310053 Hangzhou hi tech Industrial Development Zone new and high tech park, Zhejiang Province, No. 1 Patentee before: Hangzhou Echo Science Technology Co., Ltd. |
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