CN2554669Y - Mechanical double-cylinder type stroke control device - Google Patents
Mechanical double-cylinder type stroke control device Download PDFInfo
- Publication number
- CN2554669Y CN2554669Y CN 02217664 CN02217664U CN2554669Y CN 2554669 Y CN2554669 Y CN 2554669Y CN 02217664 CN02217664 CN 02217664 CN 02217664 U CN02217664 U CN 02217664U CN 2554669 Y CN2554669 Y CN 2554669Y
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- CN
- China
- Prior art keywords
- cylinder
- oil
- piston
- axle
- cover
- 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 travel control device of a mechanical processing device, and relates to a mechanical cylinder type travel control switch; a cylinder (11) is arranged between an outer oil cylinder (18) and a piston (22); a cover plate (1) and an axle seat (15) are arranged at both ends of the outer oil cylinder to perform sealing; one end of a dynamic head axle (17) is firmly connected with the piston (22); the dynamic head axle is matched with a the axle seat inner circle in a sliding way; the outer circle and the inner circle of the cylinder can respectively and freely slide on the inner circle of the outer oil cylinder and on the outer circle of an axle seat small end; an outer hydraulic fluid cavity (3) is formed between a cylinder top face (4) and the cover plate; a middle hydraulic fluid cavity (6) is formed between a piston top face (9) and the cylinder; an inner hydraulic fluid cavity (21) is formed between the piston inner cavity and the cylinder inner circle, and the piston inner cavity and an axle seat end face (20); a circumferential oil groove (26) is arranged on the outer circle at one end of the cylinder; a quick travel oil inlet (7) arranged on the outer oil cylinder is communicated with the circumferential oil groove, and is communicated with the middle hydraulic fluid cavity through a small hole (5); an oil inlet (12) arranged on the dynamic head axle is communicated with the inner hydraulic fluid cavity through a vertical small hole, and a return oil hole (2) arranged on the cover plate is communicated with the outer hydraulic fluid cavity. Through the horizontal pushing of oil pressure to the cylinder and the piston, the utility model can accurately control the travel of a mechanical processing equipment skid platform connected with the dynamic head axle, thereby ensuring that the working of a dynamic head is sage, accurate and reliable.
Description
One, technical field
The utility model relates to machining equipment slide unit travel control device.
Two, technical background
Usually in machining; travel control device to unit head; the general electrical equipment travel control switch that adopts; this apparatus structure is comparatively simple, install more convenient, but the Stroke Control degree of accuracy is poor; the unit head travel speed is constant; inefficiency, especially journey error usually can cause the phenomenon that " collapses cutter " in the machining, thereby cause the damage of workpiece or equipment.
Three, summary of the invention
The utility model has overcome the defective of existing electrical equipment travel control device to machining unit head Stroke Control degree of accuracy difference, adopt machinery cover cylinder and inner carrier structure, make the machining unit head under the oil pressure effect, finish fast stroke and impulse stroke, thereby reach accurate control stroke, safe and reliable purpose when guaranteeing unit head work.
The utility model is achieved in that a kind of mechanical double-cylinder type travel control device, the cover cylinder outside between oil cylinder and the piston, cover plate is installed at outer oil cylinder two ends and axle bed seals, unit head axle one end and piston are fixedly connected, slyness movingly in unit head axle and the axle bed, cover cylinder cylindrical and interior circle are free to slide on interior circle of oil cylinder and the axle bed small end cylindrical respectively outside, constitute outer oil cavity between cover cylinder end face and the cover plate, oil pocket in constituting between piston-top surface and the cover cylinder, piston cavity and the interior circle of cover cylinder, oil pocket in constituting between the axle bed end face, have circumferential oil groove on the cover cylinder one end cylindrical, be opened in the fast stroke oil supply hole on the outer oil cylinder, connect with circumferential oil groove, and through aperture and the perforation of middle oil pocket, be opened in the oil supply hole on the unit head axle, connect by vertical aperture and interior oil pocket, offer on the cover board return oilhole and outer oil cavity perforation.
In the above-mentioned mechanical double-cylinder type travel control device, between described outer oil cylinder and the cover cylinder, between cover cylinder and piston, the axle bed, between unit head axle and piston, the axle bed, oil seal ring is installed.
In the above-mentioned mechanical double-cylinder type travel control device, the aperture on the described cover cylinder and the number of the vertical aperture on the unit head axle can be one or more.
Four, description of drawings
Fig. 1 is the utility model mechanical double-cylinder type travel control device synoptic diagram.
Among the figure: 1 is cover plate, and 2 for returning oilhole, and 3 is outer oil cavity, 4 are cover cylinder end face, and 5 is aperture, and 6 is middle oil pocket, 7 is fast stroke oil supply hole, and 8 is the piston oil seal ring, and 9 is piston-top surface, 10 are cover potting scraper ring, and 11 are the cover cylinder, and 12 is oil supply hole, 13 are cover cylinder bottom face, and 14 is axle bed omoplate face, and 15 is axle bed, 16 is the little oil seal ring of axle bed, and 17 is the unit head axle, and 18 is outer oil cylinder, 19 is the big oil seal ring of axle bed, 20 is the axle bed end face, and 21 is interior oil pocket, and 22 is piston, 23 is vertical aperture, 24 is the axle oil seal ring, and 25 is nut, and 26 is circumferential oil groove.
Five, embodiment
Optimal way of the present utility model is provided by following accompanying drawing.
Referring to shown in Figure 1, cover cylinder 11 outside between oil cylinder 18 and the piston 22, cover plate 1 is installed at outer oil cylinder 18 two ends and axle bed 15 seals, unit head axle 17 1 ends are fixedly connected with nut 25 and piston 22, slynesses movingly in unit head axle 17 and the axle bed 15, cover cylinder 11 cylindricals and interior circle are free to slide on oil cylinder 18 interior circles and the axle bed 15 small end cylindricals respectively outside, constitute outer oil cavity 3 between cover cylinder end face 4 and the cover plate 1, oil pocket 6 in constituting between piston-top surface 9 and the cover cylinder 11, piston 22 inner chambers and cover cylinder 11 interior circles, oil pocket 21 in constituting between the axle bed end face 20, have circumferential oil groove 26 on the cover cylinder 11 1 end cylindricals, be opened in the fast stroke oil supply hole 7 on the outer oil cylinder 18, connect with circumferential oil groove 26, and through aperture 5 and middle oil pocket 6 perforations, be opened in the oil supply hole 12 on the unit head axle 17, connect by vertical aperture 23 and interior oil pocket 21, the oilhole 2 that returns that is opened on the cover plate 1 connects with outer oil cavity 3, three cover potting scraper rings 10 are installed between outer oil cylinder 18 and the cover cylinder 11, between cover cylinder 11 and the piston 22 two piston oil seal rings 8 are installed, between cover cylinder 11 and the axle bed 15 two big oil seal rings 19 of axle bed are installed, an axle oil seal ring 24 is installed between unit head axle 17 and the piston 22, two little oil seal rings 16 of axle bed are installed between unit head axle 17 and the axle bed 15.When pressure oil through fast stroke oil supply hole 7 and return oilhole 2 enter respectively in when oil pocket 6 and outer oil cavity 3, under the oil pressure effect, piston 22 drives unit head axle 17 and moves right, bottom surface until piston 22 contacts with axle bed end face 20, overlapping cylinder bottom face 13 simultaneously contacts with axle bed omoplate face 14, then pressure oil oil pocket 21 in oil supply hole 12 and vertical aperture 13 enter, piston 22 drives unit head axle 17 and moves to left fast under the oil pressure effect, until piston-top surface 9 with the cover cylinder 11 interior omoplate face contact after, promote cover cylinder 11 and be moved to the left, till overlapping cylinder end face 4 and the interior omoplate face of cover plate 1 contacts.The distance A 2 of at this moment overlapping between cylinder bottom face 13 and the axle bed omoplate face 14 equals impulse stroke, and the distance A 1 between the bottom surface of piston 22 and the axle bed end face 20 equals the total kilometres of piston 22.After unit head axle 17 and machining equipment control slide unit connected, this device is the Control work stroke accurately, safety when guaranteeing unit head work, accurate and reliably.
Claims (3)
1, a kind of mechanical double-cylinder type travel control device, it is characterized in that overlapping cylinder (11) is positioned between outer oil cylinder (18) and the piston (22), cover plate (1) is installed at outer oil cylinder two ends and axle bed (15) seals, unit head axle (17) one ends and piston are fixedly connected, slyness movingly in unit head axle and the axle bed, cover cylinder cylindrical and interior circle are free to slide on interior circle of oil cylinder and the axle bed small end cylindrical respectively outside, constitute outer oil cavity (3) between cover cylinder end face (4) and the cover plate (1), oil pocket (6) in constituting between piston-top surface (9) and the cover cylinder, piston cavity and the interior circle of cover cylinder, oil pocket (21) in constituting between the axle bed end face (20), have circumferential oil groove (26) on the cover cylinder one end cylindrical, be opened in the fast stroke oil supply hole (7) on the outer oil cylinder, connect with circumferential oil groove, and through aperture (5) and middle oil pocket perforation, be opened in the oil supply hole (12) on the unit head axle, connect by vertical aperture (23) and interior oil pocket, the oilhole of offering on the cover board (2) that returns connects with outer oil cavity.
2, mechanical double-cylinder type travel control device according to claim 1 is characterized in that between cover cylinder and piston (22), the axle bed (15), between unit head axle (17) and piston, the axle bed, oil seal ring being installed between outer oil cylinder (18) and the cover cylinder (11).
3, mechanical double-cylinder type travel control device according to claim 1 and 2 is characterized in that overlapping the aperture (5) on the cylinder (11) and the number of the vertical aperture (23) on the unit head axle (17) and can be one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02217664 CN2554669Y (en) | 2002-05-24 | 2002-05-24 | Mechanical double-cylinder type stroke control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02217664 CN2554669Y (en) | 2002-05-24 | 2002-05-24 | Mechanical double-cylinder type stroke control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2554669Y true CN2554669Y (en) | 2003-06-04 |
Family
ID=33696432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02217664 Expired - Fee Related CN2554669Y (en) | 2002-05-24 | 2002-05-24 | Mechanical double-cylinder type stroke control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2554669Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3715600A4 (en) * | 2017-11-24 | 2021-08-11 | IHI Corporation | Variable compression device and engine system |
-
2002
- 2002-05-24 CN CN 02217664 patent/CN2554669Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3715600A4 (en) * | 2017-11-24 | 2021-08-11 | IHI Corporation | Variable compression device and engine system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |