CN202867136U - Conversion valve used for cutting machine vacuum pump - Google Patents
Conversion valve used for cutting machine vacuum pump Download PDFInfo
- Publication number
- CN202867136U CN202867136U CN 201220472490 CN201220472490U CN202867136U CN 202867136 U CN202867136 U CN 202867136U CN 201220472490 CN201220472490 CN 201220472490 CN 201220472490 U CN201220472490 U CN 201220472490U CN 202867136 U CN202867136 U CN 202867136U
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- vacuum pump
- valve body
- piston rod
- air
- iron core
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Abstract
The utility model provides a conversion valve used for a cutting machine vacuum pump, and belongs to the technical field of machinery. The conversion valve used for the cutting machine vacuum pump comprises a valve body, a traction type electric magnet, a piston rod, a piston and a reset spring; two partition surfaces between a middle cavity, an air inlet cavity and an air outlet cavity are respectively provided with an air hole; an air hole is further formed in an air inlet cavity end of the valve body; an installation hole is formed in an air outlet cavity end of the valve body; the traction type electric magnet is mounted at the air outlet cavity end of the valve body; one end of the piston rod is connected with a movable iron core of the traction type electric magnet; the piston rod is arranged in the three air holes in the valve body in a penetrating mode; three pistons are fixed on the piston rod and respectively matched with the three air holes in the valve body; the reset spring is arranged in the air outlet cavity; the piston rod can move by means of effect of the traction type electric magnet; the piston rod drives the piston to control opening-closing states of the three air holes and to achieve rapid loosening and absorption of the materials; the cutting machine vacuum pump is powered on all the time and does not need to be started frequently, and a back-flushing vacuum pump does not need to be used.
Description
Technical field
The utility model is a kind of switching valve for the cutting machine vacuum pump, belongs to field of mechanical technique.
Background technique
Present cutting machine is owing to be subject to cost, the restriction in place etc., and it is very large that effective picture size can not be done, in the situation of Cutting Length greater than machine length, just need a kind of accurately feeder, guarantee the positional accuracy of feeding, the figure of cutting can accurately be docked.In order to realize this function, must realize unclamping fast with fixing material.
Switching valve structural design for the 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, three interfaces are arranged on the valve A, what be connected with the inlet end of adsorption vacuum pump 9 ' is inlet end interface 11 ', with blowback vacuum pump 9 ' ' the outlet side is connected is outlet side interface 12 ', what be connected with air cavity 10 ' is working end interface 13 '.When cutting machine in cut state, valve A closes, adsorption vacuum pump 9 ' is opened, blowback vacuum pump 9 ' ' close air cavity 10 ' negative pressure, absorption material; When cutting machine in the feeding state, valve A opens, adsorption vacuum pump 9 ' is closed, blowback vacuum pump 9 ' ' open, air cavity 10 ' malleation is unclamped material.
Summary of the invention
The purpose of this utility model is to provide a kind of reasonable in design, easy to operate, high working efficiency, can avoid the frequent starting of vacuum pump, prolong the working life of vacuum pump, and do not need to use the switching valve that is used for the cutting machine vacuum pump of blowback vacuum pump.
It is that this switching valve that is used for the cutting machine vacuum pump is by valve body that the utility model solves the problems of the technologies described above the technological scheme that adopts, towed electromagnet, piston rod, piston and Returnning spring consist of, described valve body is by outlet chamber, air-inlet cavity and intermediate cavity consist of, described outlet chamber is provided with the outlet side interface that is connected with the vacuum pump outlet side, described air-inlet cavity is provided with the inlet end interface that is connected with the 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 that is connected with the 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, and the outlet chamber end of valve body has mounting hole; Described towed electromagnet is installed in the outlet chamber end of valve body, and towed electromagnet is comprised of enameled wire loop, iron core shell, core flange and moving iron core; One end of described piston rod is connected with the moving iron core of towed electromagnet, and piston rod runs through in above-mentioned three pores that are arranged on valve body, is fixed with three pistons on the piston rod, described three pistons respectively with valve body on three pores coupling; Described Returnning spring is arranged in the outlet chamber, and Returnning spring leans on the diameter of mounting hole one end greater than the diameter of mounting hole, and the diameter that leans on piston one end of Returnning spring is less than the diameter of piston.Described piston rod can move by the effect of towed electromagnet, and piston rod drives piston, thereby by the switching OFF state that energising and the outage of electromagnet can be controlled three pores, realizes unclamping fast and absorption material; Described Returnning spring can make towed electromagnet and piston automatic-resetting, has saved manually, has improved working efficiency; This reasonable in design, easy to operate, vacuum pump are switched on does not always need frequent starting, has prolonged the working life of vacuum pump, and does not need to use the blowback vacuum pump.
Enameled wire loop described in the utility model is fixed in the 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 moving iron core sleeve is in core flange, and an end of moving iron core has chute, and chute cooperates with slide, and the other end of moving iron core passes mounting hole and is connected in outlet chamber and with piston rod.Core flange makes the outlet chamber end of valve body that certain sealing be arranged, and makes the good working effect of vacuum pump, realizes unclamping fast and absorption material.
The side of outlet side described in the utility model interface has ventilating hole.The air of vacuum pump outlet side can be discharged from ventilating hole fast when making the absorption material.
The outer ring of piston described in the utility model 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 described in the utility model is 90mm, and the diameter of described pore is 80mm.Guarantee the efficient that vacuum pump is bled and inflated air cavity, realization is unclamped and absorption fast to material, and good sealing effect.
The utility model compared with prior art simple in structure, design is ingenious, easy to use, only needs apply an electrical signal to towed electromagnet, moving iron core just can spur piston rod and move, thereby reaches the purpose that turns to vacuum pump.It not only can avoid the frequent starting of vacuum pump, prolongs the working life of vacuum pump, but also does not need to use the blowback vacuum pump, has reduced cost of production.
Description of drawings
Fig. 1 is the structural representation of background technique.
Fig. 2 is the main TV structure schematic representation of present embodiment.
Fig. 3 is the closed state center cross-sectional schematic of present embodiment.
Fig. 4 is the open mode center cross-sectional schematic of present embodiment.
Label declaration: moving 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 utility model is described in further detail, following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment 1: shown in Fig. 2 to 4, present embodiment comprises moving 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 that is connected with the outlet side of vacuum pump 9, described air-inlet cavity is provided with the inlet end interface 12 that is 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 that is 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 installed in the outlet chamber end of valve body 3, one end of described piston rod 5 is connected with the moving iron core 1 of towed electromagnet I, piston rod 5 runs through in above-mentioned three pores 32 that are arranged on valve body 3, be fixed with three pistons 4 on the piston rod 5, described three pistons 4 respectively with valve body 3 on three pores 32 coupling; Described Returnning spring 2 is arranged in the outlet chamber; Described enameled wire loop 6 is fixed in the 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 moving iron core 1 is enclosed within the core flange 8, and an end of moving iron core 1 has chute 72, and chute 72 cooperates with slide 71, and the other end of moving iron core 1 passes mounting hole 31 and is connected in outlet chamber and with piston rod 5.
The described Returnning spring 2 of present embodiment leans on the diameter of mounting hole 31 1 ends greater than the diameter of mounting hole 31, and Returnning spring 2 leans on the diameter of piston 4 one ends less than the diameter of piston 4.Described Returnning spring 2 can make towed electromagnet I and piston 4 automatically reset, and has saved manually, has improved working efficiency.
The side of the described outlet side of present embodiment interface 11 has ventilating hole 14.The air of vacuum pump 9 outlet sides can be discharged from ventilating hole 14 fast when making the absorption material.
The diameter of the described piston 4 of 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.
The diameter of the described piston 4 of present embodiment is 90mm, and the diameter of described pore 32 is 80mm.Guarantee the efficient that 9 pairs of air cavitys 10 of vacuum pump are bled and inflated, realization is unclamped and absorption fast to material, and good sealing effect.
During towed electromagnet I no electric circuit (such as Fig. 3), piston rod 5 makes three pistons 4 relatively keep right in that valve body 3 is interior under the effect of Returnning spring 2, three pistons 4 on the piston rod 5 respectively with valve body 3 on three pores 32 cooperate, pore 32 in the middle of only having is 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, thereby adsorb fixedly material, this moment, cutting machine was in the state of cutting material.
When towed electromagnet energising (such as Fig. 4), piston rod 5 is moved to the left under the suction of towed electromagnet I, three pistons 4 that piston rod 5 drives on it are moved to the left, make the pore 32 in the middle of only having in three pores 32 on the valve body 3 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, thereby unclamp material, this moment, cutting machine was in the feeding state.
Present embodiment compared with prior art structural design is simply ingenious, easy to use, only needs to apply an electrical signal to towed electromagnet I, and moving iron core 1 just can spur piston rod 5 and be moved to the left, thereby reaches the purpose that turns to vacuum pump 9.It not only can avoid the frequent starting of vacuum pump 9, prolongs the working life of vacuum pump 9, and can also save a blowback vacuum pump 9 ' ' (such as Fig. 1).
In addition, need to prove, the specific embodiment described in this specification, the shape of its parts and components, institute's title of being named etc. can be different.Allly conceive equivalence or the simple change that described structure, feature and principle are done according to the utility model patent, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (5)
1. switching valve that is used for the cutting machine vacuum pump, it is characterized in that: by valve body, towed electromagnet, piston rod, piston and Returnning spring consist of, described valve body is by outlet chamber, air-inlet cavity and intermediate cavity consist of, described outlet chamber is provided with the outlet side interface that is connected with the vacuum pump outlet side, described air-inlet cavity is provided with the inlet end interface that is connected with the 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 that is connected with the 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, and the outlet chamber end of valve body has mounting hole; Described towed electromagnet is installed in the outlet chamber end of valve body, and towed electromagnet is comprised of enameled wire loop, iron core shell, core flange and moving iron core; One end of described piston rod is connected with the moving iron core of towed electromagnet, and piston rod runs through in above-mentioned three pores that are arranged on valve body, is fixed with three pistons on the piston rod, described three pistons respectively with valve body on three pores coupling; Described Returnning spring is arranged in the outlet chamber, and Returnning spring leans on the diameter of mounting hole one end greater than the diameter of mounting hole, and the diameter that leans on piston one end of Returnning spring is less than the diameter of piston.
2. the switching valve for the cutting machine vacuum pump according to claim 1, be characterised in that: the side of described outlet side interface has ventilating hole.
3. the switching valve for the cutting machine vacuum pump according to claim 2, be characterised in that: described enameled wire loop is fixed in the 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 moving iron core sleeve is in core flange, and an end of moving iron core has chute, and chute cooperates with slide, and the other end of moving iron core passes mounting hole and is connected in outlet chamber and with piston rod.
4. according to claim 2 or 3 described switching valves for the cutting machine vacuum pump, be characterised in that: the outer ring of described piston is provided with rubber ring.
5. the switching valve for the cutting machine vacuum pump according to claim 4, be characterised in that: the diameter of described piston is 90mm, the diameter of described pore is 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220472490 CN202867136U (en) | 2012-09-17 | 2012-09-17 | Conversion valve used for cutting machine vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220472490 CN202867136U (en) | 2012-09-17 | 2012-09-17 | Conversion valve used for cutting machine vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202867136U true CN202867136U (en) | 2013-04-10 |
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ID=48033859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220472490 Withdrawn - After Issue CN202867136U (en) | 2012-09-17 | 2012-09-17 | Conversion valve used for cutting machine vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202867136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865212A (en) * | 2012-09-17 | 2013-01-09 | 杭州爱科科技有限公司 | Conversion valve for vacuum pump of cutting machine |
-
2012
- 2012-09-17 CN CN 201220472490 patent/CN202867136U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865212A (en) * | 2012-09-17 | 2013-01-09 | 杭州爱科科技有限公司 | Conversion valve for vacuum pump of cutting machine |
| CN102865212B (en) * | 2012-09-17 | 2015-05-13 | 杭州爱科科技有限公司 | Conversion valve for vacuum pump of cutting machine |
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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: 20130410 Effective date of abandoning: 20150513 |
|
| RGAV | Abandon patent right to avoid regrant |