CN203045918U - Transfusion type hydraulic system of multi-oil-cylinder large-stroke multilayer pressing machine - Google Patents
Transfusion type hydraulic system of multi-oil-cylinder large-stroke multilayer pressing machine Download PDFInfo
- Publication number
- CN203045918U CN203045918U CN 201320073853 CN201320073853U CN203045918U CN 203045918 U CN203045918 U CN 203045918U CN 201320073853 CN201320073853 CN 201320073853 CN 201320073853 U CN201320073853 U CN 201320073853U CN 203045918 U CN203045918 U CN 203045918U
- Authority
- CN
- China
- Prior art keywords
- oil
- pressure
- valve
- oil cylinders
- cylinders
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a transfusion type hydraulic system of a multi-oil-cylinder large-stroke multilayer pressing machine and relates to hydraulic systems of multilayer hydraulic machines. The transfusion type hydraulic system comprises an oil pump, a control valve, a pipeline, a pressure gauge, an oil tank, a liquid control system, an electric control system and a plurality of oil cylinders, wherein the oil pump, the control valve, the pipeline, the pressure gauge, the oil tank, the liquid control system and the electric control system are connected with a motor, and the plurality of oil cylinders are connected with a lower beam of the pressing machine. The transfusion type hydraulic system has the advantages that the plurality of oil cylinders are divided into multiple oil cylinders (30) in the middle and multiple oil cylinders (31) at two sides, and the oil cylinders (31) at the two sides are connected with the lower beam (32) of the pressing machine in a hanging mode through a hanging claw (34). A high-pressure oil pump set and a low-pressure oil pump set are utilized for starting and working in a section mode, and output oil of the high-pressure oil pump and the low-pressure oil pump respectively enters into oil inlet cavities of the multiple oil cylinders (30) in the middle and oil inlet cavities of the multiple oil cylinders (31) at the two sides. A one-way valve is arranged between outputs of the high-pressure oil pump set and the low-pressure oil pump set. In a lifting stage before a hot pressing board is closed, the low-pressure large-flow blade pump set is used for providing oil for the multiple oil cylinders (30) in the middle, and in a pressing stage after the hot pressing board is closed, the high-pressure oil pump set is used for providing oil for the multiple oil cylinders (31) at the two sides and the multiple oil cylinders (30) in the middle. Installed power is reduced, energy is saved, consumption is reduced, lifting of the transfusion type hydraulic system in a closing stage is quick, and production efficiency is improved.
Description
Technical field:
The utility model relates to hydraulic machinery, relates generally to produce the multilayer hydraulic press that bamboo wood artificial board, recombination plates are used, the particularly hydraulic system of hydraulic press.
Background technology:
The multilayer hydraulic press that is used for the various wood-based plates of compacting, its heating platen and hydraulic press sill breadth are bigger, so generally be to adopt a plurality of hydraulic jacks top to lift, in the prior art, generally be to adopt high-power high voltage oil pump unit in the heavy wool cylinder hydraulic system, its installed power is big, and energy consumption is big, and the lifting speed before the heating platen closure is slow.
Summary of the invention:
The purpose of the utility model provides the liquid-filled hydraulic system of the big stroke multidaylight press of a kind of heavy wool cylinder, and is energy-saving and cost-reducing in the hope of reducing the motor installed power, and improves compacting efficient.
The utility model is enforcement like this, the liquid-filled hydraulic system of the big stroke multidaylight press of a kind of heavy wool cylinder, comprise oil pump, control valve, pipeline, Pressure gauge, fuel tank, hydraulic control system, the electric-control system that is connected with motor and a plurality of oil cylinders that are connected with the press sill, it is characterized in that a plurality of oil cylinders 30 and a plurality of oil cylinders 31 of two sides in the middle of described a plurality of oil cylinders are divided into.Described oil pump comprises high-pressure oil pump group and low pressure fuel pump group: the high-pressure oil pump group comprises first high-pressure plunger pump 4 and second high-pressure plunger pump 5 that is connected with 1M motor 1, its output fluid enters the admission chamber of a plurality of oil cylinders 31 of two sides respectively through the 1st check valve 23 and the 2nd check valve 24, simultaneously, its output also is connected to the 1st prefill valve 26.The low pressure fuel pump group comprises the first low pressure and mass flow vane pump 6 and the second low pressure and mass flow vane pump 7 that is connected with 2M motor 2, the admission chamber of a plurality of oil cylinders 30 in the middle of its output fluid enters through the 3rd check valve 21 and the 4th check valve 22 respectively, simultaneously, the strong magnetic tube pipe filter 16 of its output termination hydraulic control one-way valve the 27, the 2nd prefill valve 28 and warp connects Solenoid ball valve 15.The high-pressure oil pump group is connected to the 5th check valve 25 through output pipe and the low pressure fuel pump group of check valve between the output pipe of check valve.High-pressure oil pump group first high-pressure plunger pump 4 and second high-pressure plunger pump 5 are connected to the 1st electromagnetic relief valve 9 and the 2nd electromagnetic relief valve 10 respectively.The low pressure fuel pump group first low pressure and mass flow vane pump 6 and the second low pressure and mass flow vane pump 7 are connected to the 3rd electromagnetic relief valve 11 and the 4th electromagnetic relief valve 12 respectively.The a plurality of oil cylinders 31 of described two sides are hung with the press sill and are connected by hanging pawl 34.
The beneficial effects of the utility model:
A plurality of oil cylinders 30 and a plurality of oil cylinders 31 of a plurality of oil cylinder 31, two sides of two sides were hung with press sill 32 and are connected by hanging pawl 34 in the middle of the heavy wool cylinder was divided into.Take two groups of oil pumps of high pressure and low pressure, segmentation starts, the oil suction chamber of a plurality of oil cylinders 30 and a plurality of oil cylinders 31 of two sides in the middle of its output fluid enters respectively.Be added with check valve between two groups of oil pump outputs of high pressure and low pressure.The stage is lifted on top before the heating platen closure, gives middle a plurality of oil cylinder 30 feed flows by low pressure and mass flow vane pump group, and closed back pressing stage is given middle a plurality of oil cylinders 30 and a plurality of oil cylinder 31 feed flows of two sides by the high-pressure oil pump group.The present invention has reduced installed power, and is energy-saving and cost-reducing, and its close stage lifting is fast, enhances productivity.
Description of drawings:
Accompanying drawing 1 the utility model organigram
The specific embodiment:
The specific embodiment of the present utility model is shown in accompanying drawing one.The liquid-filled hydraulic system of the big stroke multidaylight press of heavy wool cylinder comprises oil pump, control valve, pipeline, Pressure gauge, fuel tank, hydraulic control system, the electric-control system that is connected with motor and a plurality of oil cylinders that are connected with the press sill.2 each side of oil cylinder 30, two sides 2 oil cylinders, 31, two sides 4 oil cylinders hung pawl 34 by the press sill and hang in the middle of described a plurality of oil cylinders were divided into.Oil pump comprises two groups of high-pressure oil pump group and low pressure fuel pump groups: wherein, the high-pressure oil pump group comprises first high-pressure plunger pump 4 and second high-pressure plunger pump 5 that is connected with 1M motor 1, its output fluid enters the admission chamber of 4 oil cylinders 31 of two sides respectively through the 1st check valve 23 and the 2nd check valve 24, simultaneously, its output also is connected to the 1st prefill valve 26.The low pressure fuel pump group comprises the first low pressure and mass flow vane pump 6 and the second low pressure and mass flow vane pump 7 that is connected with 2M motor 2, the admission chamber of 2 oil cylinders 30 in the middle of its output fluid enters through the 3rd check valve 21 and the 4th check valve 22 respectively, simultaneously, its output also connects the strong magnetic tube pipe filter 16 of hydraulic control one-way valve 27, the 2nd prefill valve 28 and warp and connects Solenoid ball valve 15.The high-pressure oil pump group is connected to the 5th check valve 25 through output pipe and the base pressure oil pump group of check valve between the output pipe of check valve.High-pressure oil pump group first high-pressure plunger pump 4 and second high-pressure plunger pump 5 are connected to the 1st electromagnetic relief valve 9 and the 2nd electromagnetic relief valve 10 respectively.The first low pressure and mass flow vane pump 6 of low pressure fuel pump group and the second low pressure and mass flow vane pump 7 are connected to the 3rd electromagnetic relief valve 11 and the 4th electromagnetic relief valve 12 respectively.Hydraulic control system of the present invention comprises the low discharge blade control pump 8 that is connected with 3M motor 3, and its output connects the 2nd prefill valve 28 and hydraulic control one-way valve 27 through the 1st solenoid directional control valve 13, and simultaneously, its output also connects the 1st prefill valve 26 through the 2nd solenoid directional control valve 14.Blade control pump 8 is connected to overflow valve 29.
The hydraulic pressure process is as follows:
(1) presses the press close push button, the electromagnet 7YV of the electromagnet 3YV of 2M motor 2,3M motor 3, the 3rd electromagnetic relief valve 11, the electromagnet 4YV of the 4th electromagnetic relief valve 12, the 2nd solenoid directional control valve 14 gets, the first low pressure and mass flow vane pump 6 and the second low pressure and mass flow vane pump 7 start, the fluid of discharging enters in middle 2 oil cylinders 30 chambeies through the 3rd check valve 21 and the 4th check valve 22 respectively, it is closed gradually fast to head on press sill 32 fast rise, heating platen, this moment, fluid can not enter in two sides, 4 cylinders, 31 chambeies because the blocking effect of the 5th check valve 25 is arranged.The top is lifted sill in the uphill process and is hung the plunger that pawl 34 hauls two sides, 4 cylinders 31 and together rise, and makes and forms negative pressure in 4 cylinders.At this moment, the low discharge blade control pump 8 that is connected with 3M motor 3 starts, and the fluid of discharge is opened the 1st prefill valve 26 through the 2nd solenoid directional control valve 14, and the fluid of fuel tank is inhaled in two sides, 4 cylinders, 31 chambeies through prefill valve 26.
(2) when sill approaches closure, the electromagnet 7YV dead electricity of 3M motor 3, the 2nd solenoid directional control valve 14, electromagnet 1YV, the 2YV of 1M motor 1, the 1st electromagnetic relief valve 9 and the 2nd electromagnetic relief valve 10 get, first high-pressure plunger pump 4 and second high-pressure plunger pump 5 start, the fluid of discharging enters in two sides, 4 cylinders, 31 chambeies through the 1st check valve 23 and the 2nd check valve 24 respectively, simultaneously, also enter in the middle 2 cylinder chambeies 30 through the 5th check valve 25.
(3) when press closed fully, and pressure is when reaching the upper limit set pressure of 3KP electro connecting pressure gauge 19 and 4KP electro connecting pressure gauge 20,2M motor 2, electromagnet 3YV and 4YV dead electricity, mass flow blade pump 6 and 7 fuel cut-offs.
(4) when pressure reaches the upper limit set pressure of 1KP electric contact electricity Pressure gauge 17, electromagnet 1YV, 2YV dead electricity, high-pressure oil pump idle running, press enters packing state, and the time relay picks up counting.At packing state, when pressure was down to the lower limit set pressure of 1KP electro connecting pressure gauge 17, electromagnet 2YV got electric, and by second high-pressure plunger pump, 5 feed flows, press begins ftercompction.
(5) dwell time arrives, and 3M motor 3, the 1st solenoid directional control valve 13 electromagnet 5YV, Solenoid ball valve 15 electromagnet 8YV get electric, and the high-voltage oil liquid in the oil cylinder is through little latus rectum hydraulic control one-way valve 27 and little latus rectum Solenoid ball valve 15 slow earial drainages, and press begins pressure release.When pressure is down to lower limit 0 pressure of 2KP electro connecting pressure gauge 18, electromagnet 5YV and 8YV dead electricity, the 1st solenoid directional control valve 13 electromagnet 6YV and the 2nd solenoid directional control valve 14 electromagnet 7YV get, fluid in the oil cylinder flows back to fuel tank fast through big latus rectum the 2nd prefill valve 28 and big latus rectum the 1st prefill valve 26 under each moving component gravity squeezing action.Sill and each layer heating platen fall, and travel switch 33 is bumped in the press backhaul, 3M motor 3, electromagnet 6YV and 7YV dead electricity, and backhaul stops, and a compacting cycle period finishes.
Claims (3)
1. the liquid-filled hydraulic system of the big stroke multidaylight press of heavy wool cylinder, comprise oil pump, control valve, pipeline, Pressure gauge, fuel tank, hydraulic control system, the electric-control system that is connected with motor and a plurality of oil cylinders that are connected with the press sill, it is characterized in that a plurality of oil cylinders (30) and a plurality of oil cylinders of two sides (31) in the middle of described a plurality of oil cylinders are divided into; Described oil pump comprises high-pressure oil pump group and low pressure fuel pump group: the high-pressure oil pump group comprises first high-pressure plunger pump (4) and second high-pressure plunger pump (5) that is connected with 1M motor (1), its output fluid enters the admission chamber of a plurality of oil cylinders of two sides (31) respectively through the 1st check valve (23) and the 2nd check valve (24), simultaneously, its output also is connected to the 1st prefill valve (26); The low pressure fuel pump group comprises the first low pressure and mass flow vane pump (6) and the second low pressure and mass flow vane pump (7) that is connected with 2M motor (2), its output fluid enters the admission chamber of a plurality of oil cylinders in centre (30) respectively through the 3rd check valve (21) and the 4th check valve (22), simultaneously, its output termination hydraulic control one-way valve (27), the 2nd prefill valve (28) and the strong magnetic tube pipe filter (16) of warp connect Solenoid ball valve (15); The high-pressure oil pump group is connected to the 5th check valve (25) through output pipe and the low pressure fuel pump group of check valve between the output pipe of check valve; High-pressure oil pump group first high-pressure plunger pump (4) and second high-pressure plunger pump (5) are connected to the 1st electromagnetic relief valve (9) and the 2nd electromagnetic relief valve (10) respectively; The low pressure fuel pump group first low pressure and mass flow vane pump (6) and the second low pressure and mass flow vane pump (7) are connected to the 3rd electromagnetic relief valve (11) and the 4th electromagnetic relief valve (12) respectively.
2. according to the liquid-filled hydraulic system of the big stroke multidaylight press of the described heavy wool cylinder of claim 1, it is characterized in that, described hydraulic control system comprises the low discharge blade control pump (8) that is connected with 3M motor (3), its output connects the 2nd prefill valve (28) and hydraulic control one-way valve (27) through the 1st solenoid directional control valve (13), also connects the 1st prefill valve (26) through the 2nd solenoid directional control valve (14).
3. according to the liquid-filled hydraulic system of claim 1 or the big stroke multidaylight press of 2 described heavy wool cylinders, it is characterized in that a plurality of oil cylinders of described two sides (31) are hung with the press sill and are connected by hanging pawl (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320073853 CN203045918U (en) | 2013-01-12 | 2013-01-12 | Transfusion type hydraulic system of multi-oil-cylinder large-stroke multilayer pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320073853 CN203045918U (en) | 2013-01-12 | 2013-01-12 | Transfusion type hydraulic system of multi-oil-cylinder large-stroke multilayer pressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203045918U true CN203045918U (en) | 2013-07-10 |
Family
ID=48728911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320073853 Withdrawn - After Issue CN203045918U (en) | 2013-01-12 | 2013-01-12 | Transfusion type hydraulic system of multi-oil-cylinder large-stroke multilayer pressing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203045918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128813A (en) * | 2013-01-12 | 2013-06-05 | 青岛国森机械有限公司 | Liquid-filled type hydraulic system of multi-oil cylinder and large stroke multilayer press |
-
2013
- 2013-01-12 CN CN 201320073853 patent/CN203045918U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128813A (en) * | 2013-01-12 | 2013-06-05 | 青岛国森机械有限公司 | Liquid-filled type hydraulic system of multi-oil cylinder and large stroke multilayer press |
| CN103128813B (en) * | 2013-01-12 | 2014-10-29 | 青岛国森机械有限公司 | Liquid-filled type hydraulic system of multi-oil cylinder and large stroke multilayer press |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205136180U (en) | Hydraulic system of big indisputable fill compression dustbin compression material loading simultaneous working | |
| CN204099304U (en) | A kind of baby press hydraulic driving system | |
| CN200977735Y (en) | Hydraulic control system for energy-saving drawing hydraulic press | |
| CN108638568B (en) | Energy-saving hydraulic cushion control system for hydraulic machine | |
| CN205243974U (en) | Suppress hydraulic press hydraulic system fast | |
| CN203045918U (en) | Transfusion type hydraulic system of multi-oil-cylinder large-stroke multilayer pressing machine | |
| CN103771286B (en) | Multi-cylinder synchronous lifting mechanism | |
| CN104019065A (en) | Pressure exchange method of pressure exchange pump | |
| CN103671295B (en) | A kind of enclosed energy storage hydraulic system | |
| CN103128813B (en) | Liquid-filled type hydraulic system of multi-oil cylinder and large stroke multilayer press | |
| CN105240330A (en) | Speed-up device for hydraulic differential loop of compression oil cylinder of garbage station | |
| CN206030619U (en) | Quick return stroke auxiliary system of hydraulic press slider | |
| CN202431627U (en) | Energy-saving hydraulic station | |
| CN204591232U (en) | Walking beam hydraulic-driven balance oil extractor | |
| CN202571118U (en) | Three-cylinder anisobaric large forging oil press | |
| CN103771289B (en) | Multi-cylinder synchronous lifting mechanism | |
| CN204127008U (en) | A kind of two move back piston hydraulic pressure valve group and twoly move back piston hydraulic pressure device | |
| CN204419745U (en) | Pressure filter hydraulic system | |
| CN102661237A (en) | Semiautomatic flow distribution type hydraulic free piston engine | |
| CN202543930U (en) | Piling return control system of static piling machine | |
| CN202767158U (en) | Hydraulic excavator flow out of valve regenerating device | |
| CN102814468B (en) | Hydraulic system for automatic sand mold molding machine | |
| CN208918942U (en) | A kind of high-speed and energy-saving hydraulic system | |
| CN210135120U (en) | Energy-saving oil supply hydraulic control system suitable for various die casting machines | |
| CN203752497U (en) | Hydraulic system of material-storage-type hollow blow molding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20141029 |
|
| RGAV | Abandon patent right to avoid regrant |