CN208431228U - A kind of hydraulic press composite hydraulic cylinder structure - Google Patents
A kind of hydraulic press composite hydraulic cylinder structure Download PDFInfo
- Publication number
- CN208431228U CN208431228U CN201821140676.0U CN201821140676U CN208431228U CN 208431228 U CN208431228 U CN 208431228U CN 201821140676 U CN201821140676 U CN 201821140676U CN 208431228 U CN208431228 U CN 208431228U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- piston rod
- cylinder body
- cap
- plunger
- 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.)
- Active
Links
Landscapes
- Press Drives And Press Lines (AREA)
Abstract
The utility model discloses a kind of hydraulic press composite hydraulic cylinder structures, including gray iron, piston rod, cylinder cap is fixedly mounted on cylinder body upper end, piston rod is movably arranged in cylinder body, inferior part of the cylinder block is provided with conducting in the first oil inlet and cylinder body, cylinder body middle part is combined with nut, lower end outer circle is provided with mounting flange, and cylinder body lower end inner circle is equipped with cylinder mouth guide sleeve, and cylinder mouth guide sleeve is fastened by cylinder mouth flange；Cylinder cap is equipped with the second oil inlet, third oil inlet, oil duct, cylinder cap cavity, cylinder cap top is equipped with the low pressure pipeline interface controlled by pass valve opening, cylinder cap lower end is fixedly installed with plunger, piston rod top is adapted to plunger is equipped with plunger cavity, plunger cavity opening is equipped with guide sleeve and is sealed guided bearing to plunger, piston rod upper end outer circle by first and cap and second and cap fastening piston ring is installed, piston-rod lower end outer circle is combined with clamping ring, and several connection bolts are equipped on clamping ring；Piston-rod lower end is additionally provided with ejection assembly.
Description
Technical field
The utility model relates to hydraulic machinery technical field, specially a kind of hydraulic press composite hydraulic cylinder structure.
Background technique
Hydraulic press is a kind of static pressure using liquid medium (usually hydraulic oil) to process metal, plastics, rubber, wood
The machinery of the products such as material, powder.It is usually used in forging and stamping, punching press, cold-extruded, alignment, bending, flange, process of sheet drawing, powder metallurgy,
Compactings and the forming technologies such as press fitting.The device that pressure medium is converted to mechanical pressure is hydraulic cylinder by it, due to forming technology and
The demand of production efficiency, it is desirable that hydraulic press piston in idle running can fast move save the idle running time to improve production efficiency,
It is needed when product shaping at a slow speed to guarantee going on smoothly for deformation of products, existing hydraulic cylinder is using big stream in fast feed
The medium that amount pump provides low pressure and mass flow pushes piston to fast forward through, at a slow speed when pumped with high-pressure low-flow high-pressure low-flow be provided
Medium, therefore usually require to be equipped with two sets of pumps, device configuration is complicated, and at high cost, electricity consumption is big, and energy saving is poor.
Summary of the invention
The purpose of this utility model is to provide a kind of hydraulic press composite hydraulic cylinder structures, have stable structure, production
It is high-efficient, keep complete machine structure simple, advantage at low cost solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of hydraulic press composite hydraulic cylinder structure,
Including cylinder body 100, cylinder cap 200, piston rod 300, the cylinder cap 200 is fixedly mounted on 100 upper end of cylinder body, the piston rod
300 are movably arranged in the cylinder body 100, and 100 lower part of cylinder body is provided in the first oil inlet 103 and the cylinder body 100
It is connected, is screwed in the middle part of the cylinder body 100 and be provided with nut 101, the 100 lower end outer circle of cylinder body is provided with mounting flange 102, institute
It states 100 lower end inner circle of cylinder body cylinder mouth guide sleeve 104 is installed and guided bearing is sealed to the piston rod 300, the cylinder mouth is led
Set 104 is fastened by cylinder mouth flange 105；The cylinder cap 200 be equipped with the second oil inlet 201, third oil inlet 202, oil duct 206,
Cylinder cap cavity 203,200 top of cylinder cap are equipped with the low pressure pipeline interface 205 controlled by pass valve opening 204, the cylinder cap 200
Lower end is fixedly installed with plunger 207, and second oil inlet 201 is connected to the through-hole 2071 in the plunger 207, the third
Oil inlet 202 is connected to by cylinder cap cavity 203 with oil duct 206, and the oil duct 206 is connected to inside 100 top of cylinder body；
300 top of piston rod is adapted to the plunger 207 is equipped with plunger cavity 305,305 opening of the plunger cavity peace
Guided bearing is sealed to the plunger 207 equipped with guide sleeve 301, the 300 upper end outer circle of piston rod passes through first and cap 302
With second and the fastening of cap 303 is equipped with piston ring 304；
The 300 lower end outer circle of piston rod is combined with clamping ring 306, and several connection spiral shells are equipped on the clamping ring 306
Bolt 307；
Further, 300 lower end of piston rod is additionally provided with ejection assembly 400, and the ejection assembly 400 includes being set to
Ejection piston rod 402, ejection guide sleeve 404 in the piston rod 300 and the 4th oil inlet on the piston rod 300
401 and the 5th oil inlet 403, the ejection guide sleeve 404 be fixedly mounted on 300 lower end of piston rod to the ejection piston rod
402 are sealed guided bearing, and the 4th oil inlet 401 provides the ejection piston rod 402 and ejects pressure oil, and the described 5th
Oil inlet 403 provides 402 recoil pressure of the ejection piston rod oil.
A kind of working principle and beneficial effect of the utility model: hydraulic press composite hydraulic cylinder provided by the utility model
Liquid medium is passed through the second oil inlet 201 and through-hole 2071 by complete machine solenoid valve control when needing fast feed by structure
It is pumped into plunger cavity 305, since 305 internal diameter area of plunger cavity is small, 300 fast feed of piston rod can be pushed, closed at this time
Valve opening 204 is opened, and the liquid medium in fuel tank enters into and through cylinder cap cavity 203 and oil via low pressure pipeline interface 205 naturally
Road 206 reaches the upper surface of piston rod 300, and valve opening 204 is closed after the completion of fast feed and is closed, liquid medium passes through third at this time
Oil inlet 202 feeds at a slow speed state via the upper surface that cylinder cap cavity 203 reaches piston rod 300 with oil duct 206 with high thrust and pushes away
300 work of piston bar is into completion product shaping, the second oil inlet 201 is connected certainly by complete machine solenoid valve control with fuel tank at this time
By to 305 fluid infusion of plunger cavity；When 300 backhaul of piston rod, 103 oil inlet of the first oil inlet pushes 300 uplink of piston rod, closes open at this time
The liquid medium that valve 204 opens 300 upper surface of piston rod is flowed back to via oil duct 206, cylinder cap cavity 203, low pressure pipeline interface 205
Fuel tank, the liquid in plunger cavity 305 flow back to fuel tank via through-hole 2071, the second oil inlet 201；And also it is integrated with ejection group
Part can also complete function of the product from mold ejection, only can complete whole work, structure letter with a hydraulic pump
It is clean, manufacturing cost is low, energy-saving effect is obvious.
Detailed description of the invention
Fig. 1 is that this uses new structure cut-away view.
Fig. 2 is Fig. 1 A direction view.
Fig. 3 is the utility model and machine assembly schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3, a kind of hydraulic press composite hydraulic cylinder structure, including cylinder body 100, cylinder cap 200, piston rod 300 are please referred to,
Cylinder cap 200 is fixedly mounted on 100 upper end of cylinder body, and piston rod 300 is movably arranged in cylinder body 100, and 100 lower part of cylinder body is provided with
One oil inlet 103 is connected in cylinder body 100, screws in the middle part of cylinder body 100 and is provided with nut 101,100 lower end outer circle of cylinder body is provided with
Mounting flange 102,100 lower end inner circle of cylinder body are equipped with cylinder mouth guide sleeve 104 and are sealed guided bearing, cylinder mouth to piston rod 300
Guide sleeve 104 is fastened by cylinder mouth flange 105；Cylinder cap 200 is equipped with the second oil inlet 201, third oil inlet 202, oil duct 206, cylinder
Lid cavity 203,200 top of cylinder cap are equipped with the low pressure pipeline interface 205 controlled by pass valve opening 204, the fixed peace in 200 lower end of cylinder cap
Equipped with plunger 207, the second oil inlet 201 is connected to the through-hole 2071 in plunger 207, and third oil inlet 202 passes through cylinder cap cavity
203 are connected to oil duct 206, and oil duct 206 is connected to inside 100 top of cylinder body；
300 top of piston rod is adapted to plunger 207 is equipped with plunger cavity 305, and 305 opening of plunger cavity is equipped with guide sleeve 301
Guided bearing is sealed to plunger 207,300 upper end outer circle of piston rod passes through first and cap 302 and second and the fastening peace of cap 303
Equipped with piston ring 304；
300 lower end outer circle of piston rod is combined with clamping ring 306, and several connection bolts 307 are equipped on clamping ring 306；
Preferably, 300 lower end of piston rod is additionally provided with ejection assembly 400, ejection assembly 400 includes being set to piston rod
Ejection piston rod 402, ejection guide sleeve 404 in 300 and the 4th oil inlet 401 and the 5th oil inlet on piston rod 300
Mouthfuls 403, ejection guide sleeve 404 is fixedly mounted on 300 lower end of piston rod and is sealed guided bearing to ejection piston rod 402, and the 4th
Oil inlet 401 provides ejection piston rod 402 and ejects pressure oil, and the 5th oil inlet 403 provides ejection 402 recoil pressure of piston rod
Oil.
Host 500 includes top plate 501, movable table 503, stationary work-table 504 in embodiment as shown in Figure 3,
Middle top plate 501 and stationary work-table 504 are fixed together by column 502, and movable table 503 is set on column, this
It is by nut 101 and mounting flange 102 that cylinder body and top plate 501 is fixed with composite hydraulic cylinder structure that utility model provides hydraulic press
300 lower end of piston rod is fixedly connected, to push away by connection by clamping ring 306 and connection bolt 307 with movable table 503
The dynamic speed of movable table 503 as needed moves up and down, and wherein 402 lower end of ejection piston rod of ejection assembly 400 is also
Play the role of for being connect with the ejector beam (not shown) in mold by product ejection die across movable table 503.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (2)
1. a kind of hydraulic press composite hydraulic cylinder structure, including cylinder body (100), cylinder cap (200), piston rod (300), the cylinder cap
(200) it is fixedly mounted on the cylinder body (100) upper end, the piston rod (300) is movably arranged in the cylinder body (100), institute
It states cylinder body (100) lower part and is provided with conducting in the first oil inlet (103) and the cylinder body (100), it is characterised in that: the cylinder body
(100) middle part, which screws, is provided with nut (101), and cylinder body (100) lower end outer circle is provided with mounting flange (102), the cylinder
Body (100) lower end inner circle is equipped with cylinder mouth guide sleeve (104) and is sealed guided bearing, the cylinder mouth to the piston rod (300)
Guide sleeve (104) is fastened by cylinder mouth flange (105)；The cylinder cap (200) is equipped with the second oil inlet (201), third oil inlet
(202), oil duct (206), cylinder cap cavity (203), cylinder cap (200) top are equipped with the low pressure controlled by pass valve opening (204)
Pipe joint (205), cylinder cap (200) lower end are fixedly installed with plunger (207), second oil inlet (201) with it is described
Through-hole (2071) connection in plunger (207), the third oil inlet (202) are connected by cylinder cap cavity (203) and oil duct (206)
Logical, the oil duct (206) is connected to inside cylinder body (100) top；
Piston rod (300) top is adapted to the plunger (207) is equipped with plunger cavity (305), plunger cavity (305) opening
Place is equipped with guide sleeve (301) and is sealed guided bearing to the plunger (207), and piston rod (300) upper end outer circle passes through
First and cap (302) and second and cap (303) fasten piston ring (304) are installed；
Piston rod (300) lower end outer circle is combined with clamping ring (306), is equipped with several connections on the clamping ring (306)
Bolt (307).
2. a kind of hydraulic press composite hydraulic cylinder structure according to claim 1, it is characterised in that: the piston rod
(300) lower end is additionally provided with ejection assembly (400), and the ejection assembly (400) includes the top in the piston rod (300)
Out piston rod (402), ejection guide sleeve (404) and be set to the piston rod (300) on the 4th oil inlet (401) and the 5th into
Hydraulic fluid port (403), the ejection guide sleeve (404) are fixedly mounted on the piston rod (300) lower end to the ejection piston rod (402)
It is sealed guided bearing, the 4th oil inlet (401) provides ejection piston rod (402) the ejection pressure oil, and described the
Five oil inlets (403) provide ejection piston rod (402) the recoil pressure oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821140676.0U CN208431228U (en) | 2018-07-19 | 2018-07-19 | A kind of hydraulic press composite hydraulic cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821140676.0U CN208431228U (en) | 2018-07-19 | 2018-07-19 | A kind of hydraulic press composite hydraulic cylinder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431228U true CN208431228U (en) | 2019-01-25 |
Family
ID=65097183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821140676.0U Active CN208431228U (en) | 2018-07-19 | 2018-07-19 | A kind of hydraulic press composite hydraulic cylinder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431228U (en) |
-
2018
- 2018-07-19 CN CN201821140676.0U patent/CN208431228U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201609731U (en) | Simple pipe hydraulic bulging device | |
| CN201201008Y (en) | Internal fluid infusion pressure boost type hydraulic expanding device for pipe material | |
| CN108035926B (en) | A kind of application method of multi-cylinder linkage hydraulic system of hydraulic machine | |
| CN2934631Y (en) | Ball valve type high pressure common-rail oil injection pump | |
| CN201461590U (en) | Sectional sealing head mechanism for hydraulic forming of pipes | |
| CN105058833A (en) | Numerical control hydraulic machine | |
| CN101113707B (en) | Ball valve type high pressure shared-rail oil jetting pump | |
| CN203822591U (en) | Dosing pump with quantitatively compressed diaphragm | |
| CN208431228U (en) | A kind of hydraulic press composite hydraulic cylinder structure | |
| CN201257762Y (en) | Increase-speed cylinder device of middle and small fast hydraulic press | |
| CN104088777A (en) | Metering pump with quantitatively-compressed diaphragm | |
| CN112916710A (en) | Internal high-pressure forming control system for stainless steel pipe fitting | |
| CN210219314U (en) | Oil-free linear inflation compressor | |
| CN205260297U (en) | Hydraulic pressure booster pump | |
| CN201513698U (en) | Pneumatic adjustable lubricating oil pump used for diesel hammer | |
| CN206175351U (en) | Set up two template injection molding machines or two mould plate press of prefill valve in boosting oil cylinder | |
| CN204998014U (en) | Numerical control hydraulic press | |
| CN202451386U (en) | Clearance oil supply type pneumatic filling pump | |
| CN201050430Y (en) | Isopiestically intensified fuel-injection pump for diesel engine | |
| CN208252463U (en) | The pre- pressure booster of integral type | |
| CN201236854Y (en) | Control valve of hydraulic hammer | |
| CN210938993U (en) | A plunger seat frock for box pressure equipment | |
| CN203257768U (en) | Mass flow bladder type energy accumulator | |
| CN214788273U (en) | Supercharging mechanism for hydraulic machine | |
| CN208643988U (en) | A kind of die forging hot forging ejection cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |