CN203476891U - Underneath oil cylinder for three-roller plate bending machine - Google Patents
Underneath oil cylinder for three-roller plate bending machine Download PDFInfo
- Publication number
- CN203476891U CN203476891U CN201320511152.9U CN201320511152U CN203476891U CN 203476891 U CN203476891 U CN 203476891U CN 201320511152 U CN201320511152 U CN 201320511152U CN 203476891 U CN203476891 U CN 203476891U
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- piston rod
- cylinder body
- cylinder
- piston
- plate bending
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Abstract
The utility model discloses an underneath oil cylinder for a three-roller plate bending machine, and belongs to the technical field of hydraulic oil cylinders. The underneath oil cylinder comprises a cylinder body, a cylinder bottom, a piston and a piston rod. The piston rod is arranged inside the cylinder body and divides the cylinder body into a rod cavity and a rodless cavity. The oil cylinder further comprises two oil openings, a guiding sleeve, a sealing embedded ring, a hanging ring, a sealing device and a sealing device, wherein the two oil openings are communicated with the rod cavity and the rodless cavity respectively, the guiding sleeve and the sealing embedded ring are arranged between the cylinder body and the piston rod, the hanging ring is connected with the center of the cylinder bottom, the sealing device is arranged on the face where the sealing embedded ring makes contact with the piston rod, and the sealing device is arranged on the face where the piston makes contact with the cylinder body. The piston and the piston rod are in threaded connection. After the structure is adopted, the underneath oil cylinder is simple in structure, convenient to manufacture and particularly suitable for being used on the three-roller plate bending machine, and the production cost is reduced.
Description
Technical field
The utility model relates to technical field of hydraulic oil cylinder, more particularly, relates in particular to a kind of three rolls plate bending machine underlying oil cylinder.
Background technique
Plate bending rolls is a kind of general forming equipment that sheet metal is twisted into cylindrical shell, cone, curved surface or its allothimorph.According to 3 principles that become circle, utilize work roll relative position to change and rotatablely move and make sheet material produce continuous plastic deformation, to obtain the workpiece of reservation shape.This equipment is widely used in boiler, shipbuilding, oil, chemical industry, Structural Hardware and machine industry.But on the plate bending rolls of low-speed big, as adopted mechanical transmission, can make transmission system bulky, motor power (output) is large, and during startup, power network fluctuation is also larger, so hydraulic transmission is at present adopted more and more in plate bending machine.In recent years, have the mobile of work roll to adopt hydraulic driving, but main driving is still mechanically operated machine liquid mixed drive plate bending rolls, also has whole actions all to adopt hydraulically powered full hydraulic plate bending rolls.Adopt hydraulic driving can reduce the energy consumption of machine, be convenient to the adjusting of working pressure, roll bending speed to adapt to different operating modes, be convenient to realize automatic control.
Wherein, hydraulic jack is whole hydraulically powered core, and three rolls plate bending machine of the prior art is complicated with underlying cylinder structure, and manufacturing process is loaded down with trivial details, and cost is high.
Model utility content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, provides a kind of simple in structure, easily manufactured, the three rolls plate bending machine that cost is low underlying oil cylinder.
The technical solution of the utility model is achieved in that a kind of three rolls plate bending machine oil cylinder, comprise cylinder body, cylinder bottom, piston, piston rod, piston rod is placed in cylinder body and cylinder body is divided into rod chamber and rodless cavity, described oil cylinder also comprise guide sleeve between two hydraulic fluid ports being communicated with respectively rod chamber and rodless cavity, cylinder body and piston rod with sealing capel, the suspension ring that are connected with cylinder bottom center, be arranged at and seal the seal arrangement of capel and piston rod surface of contact and be arranged at piston and the seal arrangement of cylinder body surface of contact; Described piston is connected with piston rod thread.
As to further improvement of the utility model, the bottom of cylinder body is connected by screw with cylinder bottom, and surface of contact is provided with O RunddichtringO and back-up ring.
As to further improvement of the utility model, the top of cylinder body is provided with blind nut, and described blind nut is connected and is set in outside piston rod with sealing capel, and the surface of contact of itself and piston rod is provided with O RunddichtringO.
As to further improvement of the utility model, described blind nut is provided with dust guard, and described dust guard is comprised of screw, trim ring and dust ring, and dust ring is located at the surface of contact of blind nut and piston rod, and trim ring is fixed by screws in blind nut outside.
As to further improvement of the utility model, the seal arrangement that is arranged at sealing capel and piston rod surface of contact is comprised of O RunddichtringO and Si Te seal; The seal arrangement that is arranged at piston and cylinder body surface of contact is Glais ring.
As to further improvement of the utility model, two hydraulic fluid ports are all located on the sidewall of cylinder body, and all outer lengthening joint and pipe joint, and its jointing is equipped with packing ring.
The utility model adopts after said structure, simple in structure, easily manufactured, has reduced cost of production, is particularly suitable for three rolls plate bending machine and uses.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but do not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
In figure: 1-cylinder body; 2-cylinder bottom; 3-piston; 4-piston rod; 5-rod chamber; 6-rodless cavity; 7-hydraulic fluid port; 8-guide sleeve; 9-seals capel; 10-blind nut; 11-screw; 12-trim ring; 13-dust ring; 14-O RunddichtringO; The special seal of 15-Si; 16-Glais ring; 17-back-up ring; 18-packing ring; 19-lengthening joint; 20-pipe joint; 21-suspension ring.
Embodiment
Consult shown in Fig. 1, a kind of three rolls plate bending machine underlying oil cylinder of the present utility model, comprise cylinder body 1, cylinder bottom 2, piston 3, piston rod 4, piston rod 4 is placed in cylinder body 1 and cylinder body 1 is divided into rod chamber 5 and rodless cavity 6, described oil cylinder also comprise guide sleeve 8 between two hydraulic fluid ports 7 being communicated with respectively rod chamber 5 and rodless cavity 6, cylinder body 1 and piston rod 4 with sealing capel 9, the suspension ring 21 that are connected with cylinder bottom 2 centers, be arranged at the seal arrangement that seals the seal arrangement of capel 9 and piston rod 4 surface of contact and be arranged at piston 3 and cylinder body 1 surface of contact; Described piston 3 is threaded with piston rod 4.
The bottom of cylinder body 1 is connected by screw 11 with cylinder bottom 2, and surface of contact is provided with O RunddichtringO 14 and back-up ring 17.
The top of cylinder body 1 is provided with blind nut 10, and described blind nut 10 is connected and is set in outside piston rod 4 with sealing capel 9, and the surface of contact of itself and piston rod 4 is provided with O RunddichtringO 14.
Being arranged at sealing capel 9 is comprised of O RunddichtringO 14 and Si Te seal 15 with the seal arrangement of piston rod 4 surface of contact; Being arranged at piston 3 is Glais ring 16 with the seal arrangement of cylinder body 1 surface of contact.
Two hydraulic fluid ports 7 are located on the sidewall of cylinder body 1, and all outer lengthening joint 19 and pipe joint 20, and its jointing is equipped with packing ring 18.
Above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technological scheme that the mode of equivalent transformation obtains, all drops in protection domain of the present utility model.
Claims (6)
1. a three rolls plate bending machine underlying oil cylinder, comprise cylinder body, cylinder bottom, piston, piston rod, piston rod is placed in cylinder body and cylinder body is divided into rod chamber and rodless cavity, it is characterized in that: described oil cylinder also comprise guide sleeve between two hydraulic fluid ports being communicated with respectively rod chamber and rodless cavity, cylinder body and piston rod with sealing capel, the suspension ring that are connected with cylinder bottom center, be arranged at and seal the seal arrangement of capel and piston rod surface of contact and be arranged at piston and the seal arrangement of cylinder body surface of contact; Described piston is connected with piston rod thread.
2. three rolls plate bending machine according to claim 1 underlying oil cylinder, it is characterized in that: the bottom of described cylinder body is connected by screw with cylinder bottom, and surface of contact is provided with O RunddichtringO and back-up ring.
3. three rolls plate bending machine according to claim 1 underlying oil cylinder, is characterized in that: the top of described cylinder body is provided with blind nut, and described blind nut is connected and is set in outside piston rod with sealing capel, and the surface of contact of itself and piston rod is provided with O RunddichtringO.
4. three rolls plate bending machine according to claim 3 underlying oil cylinder, it is characterized in that: described blind nut is provided with dust guard, described dust guard is comprised of screw, trim ring and dust ring, and dust ring is located at the surface of contact of blind nut and piston rod, and trim ring is fixed by screws in blind nut outside.
5. three rolls plate bending machine according to claim 1 underlying oil cylinder, is characterized in that: described in be arranged at sealing capel and piston rod surface of contact seal arrangement by O RunddichtringO and Si Te seal, formed; The described seal arrangement that is arranged at piston and cylinder body surface of contact is Glais ring.
6. three rolls plate bending machine according to claim 1 underlying oil cylinder, is characterized in that: described two hydraulic fluid ports are all located on the sidewall of cylinder body, and all outer lengthening joint and pipe joint, and jointing is equipped with packing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511152.9U CN203476891U (en) | 2013-08-20 | 2013-08-20 | Underneath oil cylinder for three-roller plate bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320511152.9U CN203476891U (en) | 2013-08-20 | 2013-08-20 | Underneath oil cylinder for three-roller plate bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203476891U true CN203476891U (en) | 2014-03-12 |
Family
ID=50225227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320511152.9U Expired - Fee Related CN203476891U (en) | 2013-08-20 | 2013-08-20 | Underneath oil cylinder for three-roller plate bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203476891U (en) |
-
2013
- 2013-08-20 CN CN201320511152.9U patent/CN203476891U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20160820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |