CN2777260Y - Counterweight air pressure cylinder - Google Patents
Counterweight air pressure cylinder Download PDFInfo
- Publication number
- CN2777260Y CN2777260Y CN 200420087111 CN200420087111U CN2777260Y CN 2777260 Y CN2777260 Y CN 2777260Y CN 200420087111 CN200420087111 CN 200420087111 CN 200420087111 U CN200420087111 U CN 200420087111U CN 2777260 Y CN2777260 Y CN 2777260Y
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- CN
- China
- Prior art keywords
- earthen pipe
- plug part
- counterweight
- plug
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a counterweight air pressure cylinder, which comprises an inner and outer cylinder pipes which are coaxially arranged, and a piston arranged in the inner cylinder pipe, wherein an air storage space is formed between the inner and the outer cylinder pipes, which can reduce the volume change amount of gases of the counterweight air pressure cylinder when the piston moves in the inner cylinder pipe so as to further reduce the air pressure change amount in the counterweight air pressure cylinder.
Description
Technical field
The utility model is relevant with pneumatic shuttle, particularly about a kind of counterweight pneumatic cylinder.
Background technique
The vertical processing of vertical processing machine, must be frequently move vertically man-hour adding, because the weight of vertical processing head is big, thereby must with the servo motor driven of exerting oneself greatly it, so not only make the manufacture cost of whole vertical processing machine improve, and shortened the working life of servomotor.
In order to improve above-mentioned phenomenon, existing technology is to set up a counter weight device, as utilize chain, sprocket wheel and link processing head and the mechanical counterweight piece counter weight device of this processing head weight of balance, or utilize the air pressure counter weight device of the vertical processing head of pneumatic cylinder assistant load with the first-class heavy balancing weight of processing.In above-mentioned two kinds of counter weight devices, the mechanical type counter weight device has the advantage of counterweight effect stability, but the required static friction power that overcomes of servomotor is bigger, that is servomotor must be done bigger moment and exert oneself.The quiet mill power of pneumatic-typed counter weight device is less, can alleviate servomotor moment load of exerting oneself, however pneumatic cylinder in the process that its piston moves, the gas in the jar volume change is very big, relatively cause cylinder pressure significantly to change, and cause significantly variation vertical processing head load force.For example, on counterweight Ping Chong position, the pneumatic cylinder load whole weight of vertical processing heads; When vertical processing head moved down more, the gas volume in the pneumatic cylinder was compressed more and diminishes the resistance that causes processing head to move down more; More up mobile when vertical processing head, the gas volume in the pneumatic cylinder becomes greatly, reduces the load to processing head.Because vertical processing head is in many moving processes, pneumatic cylinder can produce significantly the load forces of processing head and change, thereby that the maximum output of servomotor must be greater than pneumatic cylinder load force variable quantity is over half.Therefore, just cause selecting for use of servomotor must select the ability of also exerting oneself greatly for use, cause the cost of servomotor to improve than the required person of mechanical type counter weight device.
The model utility content
Main purpose of the present utility model is to provide a kind of counterweight pneumatic cylinder, is piston in the process that moves, and gas volume variable quantity is less in it, and makes its gas pressure change amount less.
In order to the model utility purpose of taking off before reaching, counterweight pneumatic cylinder of the present utility model includes a cylinder, and this cylinder comprises earthen pipe in the outer earthen pipe,, one first plug part, one second a plug part and a piston; Wherein, this outer earthen pipe is to be sheathed on coaxially in this outside earthen pipe, this first and second plug part then respectively plug be located at the place, two ends of this inside and outside earthen pipe, make this outer earthen pipe and should in formation one gas storage space between earthen pipe; Again, the first plug part has one bores a hole and at least one gas channel, and this perforation is that the inner and external world of interior earthen pipe is somebody's turn to do in connection, and this gas channel then is communicated with this interior earthen pipe inside and this gas storage space; One piston, it includes a cock body and a body of rod; This cock body is that plug is located in this in earthen pipe, and can be in this in earthen pipe toward polyslip; One end of this body of rod and this cock body link, and end then stretches out in this outside earthen pipe from this perforation in addition.
1. counterweight pneumatic cylinder, it includes:
One cylinder, this cylinder comprise earthen pipe in the outer earthen pipe,, one first plug part, one second plug part; Wherein, this outer earthen pipe is to be sheathed on coaxially in this outside earthen pipe, this first and second plug part then respectively plug be located at the place, two ends of this inside and outside earthen pipe, make this outer earthen pipe and should in formation one gas storage space between earthen pipe; Again, the first plug part has one bores a hole and at least one gas channel, and this perforation is that the inner and external world of interior earthen pipe is somebody's turn to do in connection, and this gas channel then is communicated with this interior earthen pipe inside and this gas storage space;
One piston, it includes a cock body and a body of rod; This cock body is that plug is located in this in earthen pipe, and can be in this in earthen pipe toward polyslip; One end of this body of rod and this cock body link, and end then stretches out in this outside earthen pipe from this perforation in addition.
Described air pressure counter weight device, wherein, inside and outside earthen pipe is respectively to be each ostiolate circular body of two ends, and is somebody's turn to do the caliber of the caliber of interior earthen pipe less than this outer earthen pipe; This first and second plug part each tool one piston part, and each tool one receiving hole of this piston part respectively; Should in earthen pipe be that two ends are to fill in respectively in the receiving hole of establishing this first and second plug part, this outer earthen pipe then with its inwall two end places be combined in this first and second fill on the piston part periphery wall of part; By this, this inside and outside earthen pipe is coaxial setting.
Described air pressure counter weight device, wherein, the inner tubal wall of outer earthen pipe is located each tool one screw thread near two ends; The screw thread of the threads engaged that respectively is provided with on the piston part periphery wall of this first and second plug part and should outer earthen pipe; By this, this outer earthen pipe is that the screw thread with place, its inwall two ends is incorporated into respectively on the piston part periphery wall of this first and second plug part.
Described counterweight pneumatic cylinder, wherein, first and second plug part each tool one short cylindrical shape body portion, and the piston part of this first and second plug part is to protrude out from this two bodies portion end face respectively, is short cylindrical shape equally; Perforation of this first plug part is the receiving hole that runs through this body portion from this body portion exterior edge face and be communicated with this first plug part, and again, this gas channel is to be arranged with on the hole wall of receiving hole of this first plug part.
Described air pressure counter weight device wherein, more is provided with a pore on the first plug part, is to extend in this body portion from this body portion periphery wall also to be communicated with this receiving hole and this gas channel simultaneously.
Described air pressure counter weight device wherein, is respectively established an O type ring between the piston part of first and second plug part and this outer shell inner tube wall.
Description of drawings
Below, lift the utility model one preferred embodiment now and cooperate following diagram to describe in detail; Wherein:
Fig. 1 is the sectional view of the utility model one preferred embodiment;
Fig. 2 is an operating state sectional view embodiment illustrated in fig. 1.
Embodiment
See also Fig. 1, the counterweight pneumatic cylinder A of the utility model one preferred embodiment is to include a cylinder 1 and a piston 2.
This cylinder 1 comprises outer earthen pipe 10, one interior earthen pipe 20, one first plug parts 30, one second plug part 40; Wherein:
Should outer earthen pipe 10 be each ostiolate circular bodys of two ends, its inner tubal wall be located each tool one screw thread 11 near two ends.
Should interior earthen pipe 20 be each ostiolate circular bodys of two ends, its caliber be less than the caliber of this outer earthen pipe 10.
This first plug part 30 has a short cylindrical shape body portion 31, an and short cylindrical shape piston part 32 that protrudes from these body portion 31 end faces; The periphery week footpath of this piston part 32 is same as the inwall week footpath wall of this outer earthen pipe 10 approximately, and having a screw thread 321 on this periphery perisporium, is to be screwed with the screw thread 11 of this outer earthen pipe 10, in addition, being arranged with an O type ring 322 on this periphery perisporium, is to be positioned on this periphery wall in abutting connection with these body portion 31 places; More be arranged with a circular receiving hole 323 on the end face of this piston part 32, the aperture of this receiving hole 323 is same as the external diameter of earthen pipe 20 in this approximately, and vertically is arranged with several gas channels 324 on these receiving hole 323 hole walls.This body portion has a perforation 311, is to run through this body portion 31 and be communicated with this receiving hole 323 from these body portion 31 exterior edge faces; In addition, this body portion tool one pore 312 is to extend in this body portion 31 from these body portion 31 periphery walls also to be communicated with this receiving hole 323 and these gas channels 324 simultaneously.
This second plug part 40 has a short cylindrical shape body portion 41, an and short cylindrical shape piston part 42 that protrudes from these body portion 41 end faces, the periphery week footpath of this piston part 42 is same as the inwall week footpath wall of this outer earthen pipe 10 approximately, and has a screw thread 421 on this periphery perisporium, be can with screw thread 11 persons of being screwed of this outer earthen pipe 10, in addition, being arranged with an O type ring 422 on this periphery perisporium, is to be positioned on this periphery wall in abutting connection with these body portion 41 places; More be arranged with a circular receiving hole 423 on the end face of this piston part 42, the aperture of this receiving hole 423 is same as the external diameter of earthen pipe 20 in this approximately.
Should in the two ends of earthen pipe 20 be to fill in respectively in the receiving hole 323,423 of establishing this first and second plug part 30,40, should 10 screw threads 11 of outer earthen pipe be combined in respectively with its inwall two end places this first and second fill on piston part 32,42 periphery walls of part 30,40, by this, this inside and outside earthen pipe 20,10 is coaxial setting, and make 20,10 of this inside and outside earthen pipes form a gas storage space, and be connected by these gas channels 324 with this gas storage space in the interior earthen pipe 20.
This piston 2 includes a cock body 50 and a body of rod 60.This cock body 50 is that plug is located in this in earthen pipe 20, and can be in this in earthen pipe 20 toward polyslip; One end of this body of rod 60 and this cock body 50 links, and end then stretches out in this outside earthen pipe 20 from this perforation 311 in addition.
By this, can inject pressurized gas from the pore 312 of this counterweight pneumatic cylinder A in the interior earthen pipe 20 of this counterweight pneumatic cylinder A, and inside and outside earthen pipe 20,10 formed gas storage spaces, make this cock body 50 replace this second position of filling in part 40, as shown in Figure 1 because of in this, moved in the earthen pipe 20 by gas pressure; Seal this pore 312 this moment, makes and reach 20,10 formation of this inside and outside earthen pipe, one enclosed space in this in the earthen pipe 20.
See also Fig. 2, one weight is put on the body of rod 60 external parts of piston 2 of this counterweight pneumatic cylinder A, this piston 2 will move the gas volume that reduces in this earthen pipe 20 in, reaches 20,10 of this inside and outside earthen pipes because of being subjected to heavy direction to this first plug part 30, and the pressure of this gas is increased, the counter-force of bestowing this cock body 50 up to this gas reaches balance when being same as the loading of this body of rod 60.
When driving mobile route that weight on this body of rod 60 follows this piston 2 and move with a driving source, this driving source only needs to begin to give the application of force according to the gas pressure change in this counterweight pneumatic cylinder A from zero application of force, therefore and the whole weight of heavy of must directly not loading can significantly lower the demand of exerting oneself of driving source.
Because the required demand of exerting oneself of this driving source is to depend on that this driving source drives the gas volume variable quantity of the interior A of this counterweight pneumatic cylinder in the stroke of this weight and this driving stroke, that is, the variable quantity of gas volume in whole driving stroke in this counterweight pneumatic cylinder A is bigger, this variation of gas pressure amount is also just big, causes exerting oneself of driving source to change also will follow and strengthens; This situation is representing the demand of exerting oneself of driving source big.And heavy pneumatic cylinder A of the present utility model, its inside and outside earthen pipe 20,10 coaxial settings and being interconnected, its piston 2 is to be arranged in this interior earthen pipe 20, therefore the caused gas volume variable quantity of shift motion of piston 2 can significantly be reduced because of the setting of this outer earthen pipe 10, cause the pressure variety of this gas relatively significantly to reduce, and can lower the demand of exerting oneself of driving source.
Moreover the member of counterweight pneumatic cylinder A of the present utility model is few, and package assembly is simple, can effectively reduce manufacture cost and fault is imitated.
Claims (6)
1. counterweight pneumatic cylinder, it includes:
One cylinder, this cylinder comprise earthen pipe in the outer earthen pipe,, one first plug part, one second plug part; Wherein, this outer earthen pipe is to be sheathed on coaxially in this outside earthen pipe, this first and second plug part then respectively plug be located at the place, two ends of this inside and outside earthen pipe, make this outer earthen pipe and should in formation one gas storage space between earthen pipe; Again, the first plug part has one bores a hole and at least one gas channel, and this perforation is that the inner and external world of interior earthen pipe is somebody's turn to do in connection, and this gas channel then is communicated with this interior earthen pipe inside and this gas storage space;
One piston, it includes a cock body and a body of rod; This cock body is that plug is located in this in earthen pipe, and can be in this in earthen pipe toward polyslip; One end of this body of rod and this cock body link, and end then stretches out in this outside earthen pipe from this perforation in addition.
2. counterweight pneumatic cylinder as claimed in claim 1 is characterized in that: described inside and outside earthen pipe is respectively to be each ostiolate circular body of two ends, and is somebody's turn to do the caliber of the caliber of interior earthen pipe less than this outer earthen pipe; This first and second plug part each tool one piston part, and each tool one receiving hole of this piston part respectively; Should in earthen pipe be that two ends are to fill in respectively in the receiving hole of establishing this first and second plug part, this outer earthen pipe then with its inwall two end places be combined in this first and second fill on the piston part periphery wall of part; By this, this inside and outside earthen pipe is coaxial setting.
3. counterweight pneumatic cylinder as claimed in claim 2 is characterized in that: the inner tubal wall of described outer earthen pipe is located each tool one screw thread near two ends; The screw thread of the threads engaged that respectively is provided with on the piston part periphery wall of this first and second plug part and should outer earthen pipe; By this, this outer earthen pipe is that the screw thread with place, its inwall two ends is incorporated into respectively on the piston part periphery wall of this first and second plug part.
4. counterweight pneumatic cylinder as claimed in claim 2 is characterized in that: described first and second plug part each tool one short cylindrical shape body portion, and the piston part of this first and second plug part is to protrude out from this two bodies portion end face respectively, is short cylindrical shape equally; Perforation of this first plug part is the receiving hole that runs through this body portion from this body portion exterior edge face and be communicated with this first plug part, and again, this gas channel is to be arranged with on the hole wall of receiving hole of this first plug part.
5. counterweight pneumatic cylinder as claimed in claim 4 is characterized in that: more being provided with a pore on the described first plug part, is to extend in this body portion from this body portion periphery wall also to be communicated with this receiving hole and this gas channel simultaneously.
6. counterweight pneumatic cylinder as claimed in claim 2 is characterized in that: respectively establish an O type ring between the piston part of described first and second plug part and this outer shell inner tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420087111 CN2777260Y (en) | 2004-07-30 | 2004-07-30 | Counterweight air pressure cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420087111 CN2777260Y (en) | 2004-07-30 | 2004-07-30 | Counterweight air pressure cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777260Y true CN2777260Y (en) | 2006-05-03 |
Family
ID=36744645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420087111 Expired - Fee Related CN2777260Y (en) | 2004-07-30 | 2004-07-30 | Counterweight air pressure cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777260Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364320A (en) * | 2011-11-09 | 2012-02-29 | 安徽巨一自动化装备有限公司 | Dual-lateral surface supported bearing pedestal installation structure |
| CN110513354A (en) * | 2019-08-30 | 2019-11-29 | 佛山市博大智能设备有限公司 | Screw rod cylinder and packing machine |
-
2004
- 2004-07-30 CN CN 200420087111 patent/CN2777260Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364320A (en) * | 2011-11-09 | 2012-02-29 | 安徽巨一自动化装备有限公司 | Dual-lateral surface supported bearing pedestal installation structure |
| CN102364320B (en) * | 2011-11-09 | 2014-01-15 | 安徽巨一自动化装备有限公司 | Dual-lateral surface supported bearing pedestal installation structure |
| CN110513354A (en) * | 2019-08-30 | 2019-11-29 | 佛山市博大智能设备有限公司 | Screw rod cylinder and packing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060503 Termination date: 20130730 |