CN205207325U - Location cylinder - Google Patents
Location cylinder Download PDFInfo
- Publication number
- CN205207325U CN205207325U CN201520955779.2U CN201520955779U CN205207325U CN 205207325 U CN205207325 U CN 205207325U CN 201520955779 U CN201520955779 U CN 201520955779U CN 205207325 U CN205207325 U CN 205207325U
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- China
- Prior art keywords
- alignment sensor
- piston
- protecting jacket
- piston rod
- cylinder
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Abstract
The utility model discloses a location cylinder, include: cylinder, preceding cylinder cap, back cylinder cover, piston and piston rod, preceding cylinder cap with shutoff around back cylinder cover is used for the cylinder, location cylinder still includes intermediate hsg and alignment sensor, the piston with the piston rod is located the intermediate hsg with in the first cylinder between the back cylinder cover, preceding cylinder cap with install in the second cylinder between the intermediate hsg the alignment sensor, vacuole formation in the piston rod, the alignment sensor stretches into the piston rod be used for in the cavity obtaining the positional information of piston. The utility model provides a location cylinder can realize that the piston accurately stops on a certain position.
Description
Technical field
The utility model relates to cylinder field, particularly relates to a kind of positioning cylinder.
Background technique
Cylinder generally includes cylinder barrel, piston, piston rod, and piston can move back and forth in cylinder barrel, and cylinder barrel is divided into two air cavitys in left and right by piston, carrys out the motion of driven plunger in cylinder barrel by regulating the pressure difference of left and right air cavity.Due to the compressibility of gas, the piston of traditional cylinder can not be parked on a certain position of cylinder barrel exactly, and due to piston driving piston rod movement, piston can not be located, and causes piston rod to locate.
Therefore, be necessary to design and a kind ofly can rest on positioning cylinder on a certain position exactly by control piston.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and can rest on positioning cylinder on a certain position exactly by control piston.
The technical solution of the utility model provides a kind of positioning cylinder, comprising: cylinder barrel, front end housing, back cylinder cover, piston and piston rod, and described front end housing and described back cylinder cover are used for cylinder barrel described in the shutoff of front and back,
Described positioning cylinder also comprises intermediate hsg and alignment sensor;
In described piston and described piston rod the first cylinder barrel between described intermediate hsg and described back cylinder cover, in the second cylinder barrel between described front end housing and described intermediate hsg, described alignment sensor is installed, form cavity in described piston rod, described alignment sensor extend in the described cavity of described piston rod for obtaining the position information of described piston.
Further; described positioning cylinder also comprises alignment sensor protecting jacket; described alignment sensor protecting jacket is through described intermediate hsg; be inserted in the described cavity of described piston rod; described alignment sensor extend in described alignment sensor protecting jacket; described intermediate hsg is fixedly connected with described alignment sensor protecting jacket, and described piston rod is relative to the to-and-fro motion of described alignment sensor protecting jacket.
Further, described alignment sensor is magnetic substance sensor, and described positioning cylinder also comprises magnetite, and described magnetite is arranged on described piston, and described magnetite and described magnetic substance sensor are isolated by described alignment sensor protecting jacket.
Further, one end that described alignment sensor protecting jacket is deep in described cavity is sealed by plug.
Further, described alignment sensor is rope sensor, and the stay cord of described rope sensor is fixedly connected with described piston rod through described alignment sensor protecting jacket.
Further, one end that described alignment sensor protecting jacket extend in described cavity is not closed, and described stay cord is fixedly connected with by the inwall of fixed block with described cavity.
Further, described alignment sensor and described intermediate hsg are removably connected by screw.
Further, described alignment sensor protecting jacket is stainless-steel pipe.
Further, described intermediate hsg is provided with pore, is provided with seal ring between described alignment sensor protecting jacket and described pore.
Further; described first cylinder barrel comprises the first air cavity and the second air cavity; described first air cavity is between described intermediate hsg and described piston; described second air cavity is between described back cylinder cover and described piston; described pore is used for described first air cavity air feed, is sealed between the inside of described alignment sensor protecting jacket and described first air cavity by described seal ring.
After adopting technique scheme, there is following beneficial effect: owing to ensconcing in piston rod in alignment sensor, the current location of Real-time Feedback piston, can the pressure difference of control piston both sides by external control unit outside, thus realizes accurate control piston and rest on target location.Further, owing to ensconcing in piston rod in alignment sensor, save installing space, improve the environment resistant interference of alignment sensor, anti-vibration, shock resistance.
Accompanying drawing explanation
Fig. 1 is the sectional view of positioning cylinder in the utility model embodiment one;
Fig. 2 is the partial enlarged drawing of positioning cylinder in the utility model embodiment one;
Fig. 3 is the sectional view of positioning cylinder in the utility model embodiment two;
Fig. 4 is the partial enlarged drawing of positioning cylinder in the utility model embodiment two.
The reference character table of comparisons:
1-cylinder barrel 2-front end housing 3-back cylinder cover
4-piston 5-piston rod 6-intermediate hsg
7-magnetic substance sensor 7 '-stretch sensor 8-alignment sensor protecting jacket
11-first cylinder barrel 12-second cylinder barrel 51-cavity
61-pore 62-screw 71-magnetite
71 '-stay cord, 72 '-fixed block 81-plug
82-seal ring 83-seal ring 111-first air cavity
112-second air cavity
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
In the utility model, positioning cylinder comprises: cylinder barrel, front end housing, back cylinder cover, piston and piston rod, and front end housing and back cylinder cover are used for front and back shutoff cylinder barrel, and positioning cylinder also comprises intermediate hsg and alignment sensor; In piston and piston rod the first cylinder barrel between intermediate hsg and back cylinder cover, in the second cylinder barrel between front end housing and intermediate hsg, alignment sensor is installed, form cavity in piston rod, alignment sensor extend in the cavity of piston rod for obtaining the position information of piston.
Owing to ensconcing in piston rod in alignment sensor, the current location of Real-time Feedback piston, can the pressure difference of control piston both sides by external control unit outside, thus realizes accurate control piston and rest on target location.Further, owing to ensconcing in piston rod in alignment sensor, save installation and service clearance, improve the environment resistant interference of alignment sensor, anti-vibration, shock resistance.
In the utility model; positioning cylinder also comprises alignment sensor protecting jacket; alignment sensor protecting jacket is through intermediate hsg; be inserted in the cavity of piston rod; alignment sensor extend in alignment sensor protecting jacket; intermediate hsg is fixedly connected with alignment sensor protecting jacket, and piston rod is relative to the to-and-fro motion of alignment sensor protecting jacket.Alignment sensor protecting jacket is stainless-steel pipe.
The alignment sensor protecting jacket that stainless-steel pipe is made plays the effect of insulation blocking to alignment sensor.Because piston rod is relative to the to-and-fro motion of alignment sensor protecting jacket, when piston rod slides to the direction away from intermediate hsg, alignment sensor protecting jacket has been exposed in the first cylinder barrel.Alignment sensor protecting jacket protection objective sensor is from the effects of air pressure in the first cylinder barrel.Alignment sensor protecting jacket and the effect of alignment sensor in positioning cylinder will be further described in two embodiments below.
< embodiment one >
As shown in Figure 1-2, in embodiment one, positioning cylinder comprises: cylinder barrel 1, front end housing 2, back cylinder cover 3, piston 4 and piston rod 5, and front end housing 2 and back cylinder cover 3 are for front and back shutoff cylinder barrel 1, and positioning cylinder also comprises intermediate hsg 6 and alignment sensor; In the present embodiment, alignment sensor is magnetic substance sensor 7, and positioning cylinder also comprises magnetite 71, and magnetite 71 is arranged on piston 4, and magnetite 71 and magnetic substance sensor 7 are isolated by alignment sensor protecting jacket 8.
In piston 4 and piston rod 5 the first cylinder barrel 11 between intermediate hsg 6 and back cylinder cover 3, in the second cylinder barrel 12 between front end housing 2 and intermediate hsg 6, magnetic substance sensor 7 is installed, cavity 51 is formed in piston rod 5, magnetic substance sensor 7 extend into for obtaining the position information of piston 4 in the cavity 51 of piston rod 5, and external control unit outside realizes piston 4 according to the draught head that position information controls the first cylinder barrel 11 and stops on target location.
Positioning cylinder also comprises alignment sensor protecting jacket 8; alignment sensor protecting jacket 8 is through intermediate hsg 6; be inserted in the cavity 51 of piston rod 5; magnetic substance sensor 7 extend in alignment sensor protecting jacket 8; intermediate hsg 6 is fixedly connected with alignment sensor protecting jacket 8, and piston rod 5 is relative to alignment sensor protecting jacket 8 to-and-fro motion.In the present embodiment, alignment sensor protecting jacket 8 is stainless-steel pipe.
Wherein, piston 4 is set in one end of piston rod 5, and piston 4 in reciprocating process, drives piston rod 5 to-and-fro motion together in the first cylinder barrel 11.A part for magnetic substance sensor 7 is arranged in the second cylinder barrel 12, and the second cylinder barrel 12 communicates with air.Another part of magnetic substance sensor 7 extend into the alignment sensor protecting jacket 8 that stainless-steel pipe is made, and alignment sensor protecting jacket 8 extend in the cavity 51 of piston rod 5.When piston 4 moves to the right side in Fig. 1-2, piston rod 5 also moves to the right, has been exposed in the first cylinder barrel 11 by alignment sensor protecting jacket 8 gradually.Owing to being provided with magnetite 71 in piston 4, magnetic substance sensor 7, by the position of detection magnetite 71, obtains the position information of piston 4.Position information is transferred to external control unit outside by magnetic substance sensor 7, when piston 4 is rested on a certain position by needs, external control unit outside controls the air pressure in air cavity by the control gas flow entered in the first cylinder barrel about 11 air cavity, i.e. the air pressure of piston about 4.Such as: when in the process that piston 4 moves right, the air pressure that right side input is larger, stop piston 4 to continue to move right, control piston 4 rests on target location.
In the present embodiment, as shown in Figure 1, one end that alignment sensor protecting jacket 8 is deep in cavity 51 is sealed by plug 81.
In the present embodiment, as shown in Figure 2, intermediate hsg 6 is provided with pore 61, is provided with seal ring 82 between alignment sensor protecting jacket 8 and pore 61.First cylinder barrel 11 comprises the first air cavity 111 and the second air cavity 112; first air cavity 111 is between intermediate hsg 6 and piston 4; second air cavity 112 is between back cylinder cover 3 and piston 4; pore 61, for the first air cavity 111 air feed, is sealed by seal ring 82 between the inside of alignment sensor protecting jacket 8 and the first air cavity 111.
Wherein, in Fig. 2, piston 4 is positioned at the leftmost side, and the first air cavity 111 does not almost have space.Be the pore 61 of the first air cavity 111 air feed because intermediate hsg 6 is provided with; in order to prevent the air pressure in the first air cavity 111, magnetic substance sensor 7 is impacted; be provided with seal ring 82 between pore 61 and alignment sensor protecting jacket 8, sealing circle 82 serves the inside of sealing alignment sensor protecting jacket 8 and the effect of the first air cavity 111.
In the present embodiment, external control unit outside controls the air pressure in the first air cavity 111 and the second air cavity 112 according to position information, thus realizes control piston 4 and stop at object on target location.
In the present embodiment, as shown in Figure 2, magnetic substance sensor 7 and intermediate hsg 6 are removably connected by screw 62.When magnetic substance sensor 7 damages, under the prerequisite not splitting each Sealing of cylinder, magnetic substance sensor 7 entirety can be pulled down.During dismounting, first front end housing 2 and the second cylinder barrel 12 are extracted, then only need to unload screw 62, be i.e. replaceable magnetic substance sensor 7.To cylinder, dismounting Sealing is a taboo, and Sealing refers to the parts of seal ring class, easily causes damage, scratch during dismounting.Therefore, when changing magnetic substance sensor 7 in the present embodiment, do not need to dismantle seal ring, facilitate maintenance.
< embodiment two >
As shown in Figure 3-4, in embodiment two, positioning cylinder comprises: cylinder barrel 1, front end housing 2, back cylinder cover 3, piston 4 and piston rod 5, and front end housing 2 and back cylinder cover 3 are for front and back shutoff cylinder barrel 1, and positioning cylinder also comprises intermediate hsg 6 and alignment sensor.In the present embodiment, alignment sensor is rope sensor 7 ', and the stay cord 71 ' of rope sensor is fixedly connected with piston rod 5 through alignment sensor protecting jacket 8.Be specially, one end that alignment sensor protecting jacket 8 extend in cavity 51 is not closed, and stay cord 71 ' is fixedly connected with by the inwall of fixed block 72 ' with cavity 51.
In piston 4 and piston rod 5 the first cylinder barrel 11 between intermediate hsg 6 and back cylinder cover 3, in the second cylinder barrel 12 between front end housing 2 and intermediate hsg 6, rope sensor 7 ' is installed, cavity 51 is formed in piston rod 5, rope sensor 7 ' extend into for obtaining the position information of piston 4 in the cavity 51 of piston rod 5, and external control unit outside realizes piston 4 according to the draught head that position information controls the first cylinder barrel 11 and stops on target location.
Positioning cylinder also comprises alignment sensor protecting jacket 8; alignment sensor protecting jacket 8 is through intermediate hsg 6; be inserted in the cavity 51 of piston rod 5; rope sensor 7 ' extend in alignment sensor protecting jacket 8; intermediate hsg 6 is fixedly connected with alignment sensor protecting jacket 8, and piston rod 5 is relative to alignment sensor protecting jacket 8 to-and-fro motion.In the present embodiment, alignment sensor protecting jacket 8 is stainless-steel pipe.
Wherein, a part for rope sensor 7 ' is arranged in the second cylinder barrel 12, and the free end of the stay cord 71 ' of rope sensor 7 ' is arranged in cavity 51.When piston rod 5 moves to the right side of Fig. 3, piston rod 5 drives the free end of stay cord 71 ' also to move right.Rope sensor 7 ' obtains the position information of piston 4 according to the tensile elongation of stay cord 71 '.And this position information is transferred to external control unit outside, and when piston 4 is rested on a certain position by needs, external control unit outside controls the air pressure in the first cylinder barrel about 11 air cavity, i.e. the air pressure of piston about 4.Such as: when in the process that piston 4 is moved to the left, the air pressure that left side input is larger, stop piston 4 to continue to be moved to the left, control piston 4 rests on target location.
In the present embodiment, as shown in Figure 4, intermediate hsg 6 is provided with pore 61, is also provided with seal ring 83 between alignment sensor protecting jacket 8 and pore 61.Seal ring 83 serves the inside of isolation alignment sensor protecting jacket 8 and the effect of the first air cavity 111, prevents the air pressure in the first air cavity 111 from having an impact to rope sensor 7 '.
The utility model according to different needs, can realize the whole-process control to cylinder.The utility model is applicable to the occasion needing large ouput force, especially in the industry such as tobacco, mining industry flotation machine.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that for the person of ordinary skill of the art, on the basis of the utility model principle, other modification some can also be made, also should be considered as protection domain of the present utility model.
Claims (10)
1. a positioning cylinder, comprising: cylinder barrel, front end housing, back cylinder cover, piston and piston rod, and described front end housing and described back cylinder cover are used for cylinder barrel described in the shutoff of front and back, it is characterized in that,
Described positioning cylinder also comprises intermediate hsg and alignment sensor;
In described piston and described piston rod the first cylinder barrel between described intermediate hsg and described back cylinder cover, in the second cylinder barrel between described front end housing and described intermediate hsg, described alignment sensor is installed, form cavity in described piston rod, described alignment sensor extend in the described cavity of described piston rod for obtaining the position information of described piston.
2. positioning cylinder according to claim 1; it is characterized in that; described positioning cylinder also comprises alignment sensor protecting jacket; described alignment sensor protecting jacket is through described intermediate hsg; be inserted in the described cavity of described piston rod; described alignment sensor extend in described alignment sensor protecting jacket, and described intermediate hsg is fixedly connected with described alignment sensor protecting jacket, and described piston rod is relative to the to-and-fro motion of described alignment sensor protecting jacket.
3. positioning cylinder according to claim 2; it is characterized in that, described alignment sensor is magnetic substance sensor, and described positioning cylinder also comprises magnetite; described magnetite is arranged on described piston, and described magnetite and described magnetic substance sensor are isolated by described alignment sensor protecting jacket.
4. positioning cylinder according to claim 3, is characterized in that, one end that described alignment sensor protecting jacket is deep in described cavity is sealed by plug.
5. positioning cylinder according to claim 2, is characterized in that, described alignment sensor is rope sensor, and the stay cord of described rope sensor is fixedly connected with described piston rod through described alignment sensor protecting jacket.
6. positioning cylinder according to claim 5, is characterized in that, one end that described alignment sensor protecting jacket extend in described cavity is not closed, and described stay cord is fixedly connected with by the inwall of fixed block with described cavity.
7. the positioning cylinder according to any one of claim 1-6, is characterized in that, described alignment sensor and described intermediate hsg are removably connected by screw.
8. the positioning cylinder according to any one of claim 2-6, is characterized in that, described alignment sensor protecting jacket is stainless-steel pipe.
9. the positioning cylinder according to any one of claim 2-6, is characterized in that, described intermediate hsg is provided with pore, is provided with seal ring between described alignment sensor protecting jacket and described pore.
10. positioning cylinder according to claim 9; it is characterized in that; described first cylinder barrel comprises the first air cavity and the second air cavity; described first air cavity is between described intermediate hsg and described piston; described second air cavity is between described back cylinder cover and described piston; described pore is used for described first air cavity air feed, is sealed between the inside of described alignment sensor protecting jacket and described first air cavity by described seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520955779.2U CN205207325U (en) | 2015-11-26 | 2015-11-26 | Location cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520955779.2U CN205207325U (en) | 2015-11-26 | 2015-11-26 | Location cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207325U true CN205207325U (en) | 2016-05-04 |
Family
ID=55845046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520955779.2U Active CN205207325U (en) | 2015-11-26 | 2015-11-26 | Location cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207325U (en) |
-
2015
- 2015-11-26 CN CN201520955779.2U patent/CN205207325U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |