CN203112851U - Pass-type hydraulic control device for hydraulic wringing machine - Google Patents
Pass-type hydraulic control device for hydraulic wringing machine Download PDFInfo
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- CN203112851U CN203112851U CN 201320097084 CN201320097084U CN203112851U CN 203112851 U CN203112851 U CN 203112851U CN 201320097084 CN201320097084 CN 201320097084 CN 201320097084 U CN201320097084 U CN 201320097084U CN 203112851 U CN203112851 U CN 203112851U
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- oil pipe
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- solenoid operated
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Abstract
The utility model discloses a pass-type hydraulic control device for a hydraulic wringing machine. The pass-type hydraulic control device comprises wringing oil cylinders, wherein cylinder sleeves of the wringing oil cylinders are fixed on the wringing machine, and piston rod ends of the wringing oil cylinders are connected to two shaft ends of wringing rollers; the two sides of pistons are both are connected to an electromagnetic reversal valve through respective oil pipes; the electromagnetic reversal valve is connected to an oil tank through an oil inlet pipe and an oil outlet pipe; a hydraulic pump motor is arranged on the oil inlet pipe; and non-return valves are arranged on oil pipes between cylinder cavities and the electromagnetic reversal valve. The hydraulic system adopts more advanced hydraulic components, has the advantages of small size, high efficiency, long service life, compact structure, convenience in operation and the like, can effectively ensure the stability of product quality, and is stable in wringing pressure and energy-saving.
Description
Technical field
The utility model relates to the leather machine technical field, relates in particular to a kind of through type hydraulic pressure wringing machine hydraulic control device.
Background technology
In tanning production, wringing machine is to utilize pressure a part of free water content in the leather fiber tissue is extruded and to be got rid of, in order to carry out subsequent processing operation processing.The water squeezing of leather is that pressure contact and the felt by a plurality of pressure rolls brings realization.Wherein, the overdraft roller is stationary roll, and the upward pressure roller is liftable, and its lifting is to finish by the to-and-fro movement of water squeezing oil cylinder.It is upgraded to release, and it falls is supercharging.Water squeezing oil cylinder cylinder sleeve is fixed on the machine both sides, and tailpiece of the piston rod links to each other with the squeeze roll two axial ends.Existing hydraulic control system, complex structure, operation inconvenience can not be satisfied user demand fully.
The utility model content
Characteristics such as goal of the invention: at the deficiencies in the prior art, the purpose of this utility model provides a kind of through type hydraulic pressure wringing machine hydraulic control device, makes it have control conveniently, and is simple in structure guarantee that leather quality is stable.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution adopted in the utility model is as follows:
A kind of through type hydraulic pressure wringing machine hydraulic control device comprises the water squeezing oil cylinder, and the cylinder sleeve of water squeezing oil cylinder is fixed on the wringing machine, and the tailpiece of the piston rod of water squeezing oil cylinder links to each other with the squeeze roll two axial ends; The cylinder chamber of the described piston rod both sides all oil pipe by separately links to each other with solenoid operated directional valve; Described solenoid operated directional valve links to each other with fuel tank by the turnover oil pipe, establishes hydraulic pump motor at in-line; Oil pipe between cylinder chamber and solenoid operated directional valve is provided with check valve.
Described cylinder chamber comprises epicoele and cavity of resorption, establishes series connection one-way throttle valve and check valve at the oil pipe that epicoele links to each other with solenoid operated directional valve, establishes check valve at the oil pipe that cavity of resorption links to each other with solenoid operated directional valve.
Described cavity of resorption directly links to each other with fuel tank by oil pipe, is provided with surplus valve at described oil pipe.
Establish electro connecting pressure gauge and energy storage at the oil pipe that described epicoele links to each other with solenoid operated directional valve.
Be provided with oil pipe at described hydraulic pump motor and in-line between the solenoid operated directional valve and directly link to each other with fuel tank, be provided with surplus valve at described oil pipe.
Establish the oil suction purolator at the oil pipe that described hydraulic pump motor links to each other with fuel tank.
Establish the oil return opening purolator at the oil outlet pipe that described solenoid operated directional valve links to each other with fuel tank.
The control method of above-mentioned through type hydraulic pressure wringing machine hydraulic control device, process is as follows:
When (1) water squeezing begins, start hydraulic pump motor, hydraulic efficiency starting, hydraulic efficiency oil enters the epicoele of water squeezing oil cylinder through check valve, the one-way throttle valve on oil suction purolator, solenoid operated directional valve, right side, piston rod is moved down, and squeeze roll moves down carrying out sufficient water squeezing through the leather between upper and lower squeeze roll thereby drive upward; The hydraulic efficiency oil of water squeezing oil cylinder cavity of resorption flows back to fuel tank through check valve, the oil return opening purolator in left side;
When (2) the water squeezing force value of electro connecting pressure gauge reaches the water squeezing pressure of setting, close hydraulic pump motor, closed check valve makes oil cylinder be stopped at the water squeezing position, the hydraulic efficiency system pressurize; When water squeezing pressure was down to certain value because of leakage, electro connecting pressure gauge triggered hydraulic pump motor, and hydraulic starting is boosted, and when water squeezing pressure reaches set(ting)value, stops hydraulic pump motor automatically, and system is in packing state again;
(3) machine stops, primer fluid press pump hydraulic pump motor, and solenoid operated directional valve is got, the check valve of hydraulic efficiency oil through oil suction purolator, solenoid operated directional valve, left side enters the cavity of resorption of water squeezing oil cylinder, make on the piston rod and move, thereby move on the squeeze roll in the drive, thereby shed the pressure that acts between bootom couch squeeze roll; The hydraulic efficiency oil of water squeezing oil cylinder epicoele flows back to fuel tank through check valve, the oil return opening purolator on right side;
When (4) off-load is finished, close the hydro-pump hydraulic pump motor, and make the solenoid operated directional valve dead electricity, the water squeezing oil cylinder quits work, and makes upper and lower pressure roll be in the separation point position.
Beneficial effect: compared with prior art, the utility model through type hydraulic pressure wringing machine hydraulic control device, hydraulic efficiency system adopts advanced Hydraulic Elements, have that volume is little, efficient is high, the life-span is long, compact construction, be convenient to advantages such as operation, effectively guarantee constant product quality, the water squeezing pressure-stabilisation, energy-saving and cost-reducing.
Description of drawings
Fig. 1 is the structural representation of through type hydraulic pressure wringing machine hydraulic control device.
Embodiment
Below in conjunction with concrete accompanying drawing the utility model is done further explanation.
As shown in Figure 1, through type hydraulic pressure wringing machine hydraulic control device comprises water squeezing oil cylinder 6, and the cylinder sleeve of water squeezing oil cylinder is fixed on the wringing machine, and the tailpiece of the piston rod of water squeezing oil cylinder links to each other with the squeeze roll two axial ends; The cylinder chamber of the piston rod both sides all oil pipe by separately links to each other with solenoid operated directional valve 3; Solenoid operated directional valve 3 links to each other with fuel tank 1 by the turnover oil pipe, establishes hydraulic pump motor 3 at in-line; Oil pipe between cylinder chamber and solenoid operated directional valve 3 is provided with check valve 4.This cylinder chamber comprises epicoele and cavity of resorption, establishes the check valve 4 on series connection one-way throttle valve 5 and right side at the oil pipe that epicoele links to each other with solenoid operated directional valve 3, establishes the check valve 4 in left side at the oil pipe that cavity of resorption links to each other with solenoid operated directional valve.Cavity of resorption directly links to each other with fuel tank 1 by oil pipe, is provided with surplus valve 1 at this oil pipe.Establish electro connecting pressure gauge 7 and energy storage 8 at the oil pipe that epicoele links to each other with solenoid operated directional valve.Be provided with oil pipe at hydraulic pump motor 2 and in-line between the solenoid operated directional valve 3 and directly link to each other with fuel tank, be provided with surplus valve 2 10 at this oil pipe.Establish the oil suction purolator at the oil pipe that hydraulic pump motor 2 links to each other with fuel tank 1.Establish the oil return opening purolator at the oil outlet pipe that solenoid operated directional valve 3 links to each other with fuel tank 1.Wherein, energy storage 8 plays stable and pressurize effect, surplus valve one 9 control water squeezing pressure, and surplus valve 2 10 control pressure unloadings move speed on the piston rod during one-way throttle valve 5 control off-loads.Oil suction purolator, oil return opening purolator play filtering hydraulic efficiency oil impurity protection loop effect to hydraulic circuit, can establish air filter at fuel tank 1, play the effect of filtering hydraulic efficiency oil impurity when filling hydraulic efficiency oil in fuel tank 1.
The control method of above-mentioned through type hydraulic pressure wringing machine hydraulic control device, process is as follows:
When (1) water squeezing begins, start hydraulic pump motor, hydraulic efficiency starting, hydraulic efficiency oil enters the epicoele of water squeezing oil cylinder through check valve, the one-way throttle valve on oil suction purolator, solenoid operated directional valve, right side, piston rod is moved down, and squeeze roll moves down carrying out sufficient water squeezing through the leather between upper and lower squeeze roll thereby drive upward; The hydraulic efficiency oil of water squeezing oil cylinder cavity of resorption flows back to fuel tank through check valve, the oil return opening purolator in left side;
When (2) the water squeezing force value of electro connecting pressure gauge reaches the water squeezing pressure of setting, close hydraulic pump motor, closed check valve makes oil cylinder be stopped at the water squeezing position, the hydraulic efficiency system pressurize; When water squeezing pressure was down to certain value because of leakage, electro connecting pressure gauge triggered hydraulic pump motor, and hydraulic starting is boosted, and when water squeezing pressure reaches set(ting)value, stops hydraulic pump motor automatically, and system is in packing state again;
(3) machine stops, primer fluid press pump hydraulic pump motor, and solenoid operated directional valve is got, the check valve of hydraulic efficiency oil through oil suction purolator, solenoid operated directional valve, left side enters the cavity of resorption of water squeezing oil cylinder, make on the piston rod and move, thereby move on the squeeze roll in the drive, thereby shed the pressure that acts between bootom couch squeeze roll; The hydraulic efficiency oil of water squeezing oil cylinder epicoele flows back to fuel tank through check valve, the oil return opening purolator on right side;
When (4) off-load is finished, close the hydro-pump hydraulic pump motor, and make the solenoid operated directional valve dead electricity, the water squeezing oil cylinder quits work, and makes upper and lower pressure roll be in the separation point position.
The utility model through type hydraulic pressure wringing machine hydraulic control device, hydraulic efficiency system adopts advanced Hydraulic Elements, have that volume is little, efficient is high, the life-span is long, compact construction, be convenient to advantages such as operation, effectively guarantee constant product quality, the water squeezing pressure-stabilisation, energy-saving and cost-reducing, can bring bigger economic benefit for the process hides user.
Claims (7)
1. a through type hydraulic pressure wringing machine hydraulic control device comprises the water squeezing oil cylinder, and the cylinder sleeve of water squeezing oil cylinder is fixed on the wringing machine, and the tailpiece of the piston rod of water squeezing oil cylinder links to each other with the squeeze roll two axial ends; It is characterized in that: the cylinder chamber of the described piston rod both sides all oil pipe by separately links to each other with solenoid operated directional valve (3); Described solenoid operated directional valve (3) links to each other with fuel tank (1) by the turnover oil pipe, establishes hydraulic pump motor (2) at in-line; Oil pipe between cylinder chamber and solenoid operated directional valve (3) is provided with check valve.
2. through type hydraulic pressure wringing machine hydraulic control device according to claim 1, it is characterized in that: described cylinder chamber comprises epicoele and cavity of resorption, establish series connection one-way throttle valve and check valve at the oil pipe that epicoele links to each other with solenoid operated directional valve (3), establish check valve at cavity of resorption with the oil pipe that solenoid operated directional valve (3) links to each other.
3. through type hydraulic pressure wringing machine hydraulic control device according to claim 2 is characterized in that: described cavity of resorption directly links to each other with fuel tank (1) by oil pipe, is provided with surplus valve at described oil pipe.
4. through type hydraulic pressure wringing machine hydraulic control device according to claim 2 is characterized in that: establish electro connecting pressure gauge and energy storage at described epicoele with the oil pipe that solenoid operated directional valve (3) links to each other.
5. through type hydraulic pressure wringing machine hydraulic control device according to claim 1, it is characterized in that: be provided with oil pipe at described hydraulic pump motor (2) and in-line between the solenoid operated directional valve (3) and directly link to each other with fuel tank (1), be provided with surplus valve at described oil pipe.
6. through type hydraulic pressure wringing machine hydraulic control device according to claim 1 is characterized in that: establish the oil suction purolator at described hydraulic pump motor (2) with the oil pipe that fuel tank (1) links to each other.
7. through type hydraulic pressure wringing machine hydraulic control device according to claim 1 is characterized in that: establish the oil return opening purolator at described solenoid operated directional valve (3) with the oil outlet pipe that fuel tank (1) links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097084 CN203112851U (en) | 2013-03-04 | 2013-03-04 | Pass-type hydraulic control device for hydraulic wringing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097084 CN203112851U (en) | 2013-03-04 | 2013-03-04 | Pass-type hydraulic control device for hydraulic wringing machine |
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| Publication Number | Publication Date |
|---|---|
| CN203112851U true CN203112851U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097084 Expired - Fee Related CN203112851U (en) | 2013-03-04 | 2013-03-04 | Pass-type hydraulic control device for hydraulic wringing machine |
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| CN (1) | CN203112851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103297A (en) * | 2013-03-04 | 2013-05-15 | 扬州扬宝机械有限公司 | Hydraulic control device of through-type hydraulic wringing machine and control method of hydraulic control device |
| CN105971953A (en) * | 2016-06-27 | 2016-09-28 | 中国农业大学 | Sprayer spraying rod ground profiling hydraulic system with dynamic pressure feedback devices |
-
2013
- 2013-03-04 CN CN 201320097084 patent/CN203112851U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103297A (en) * | 2013-03-04 | 2013-05-15 | 扬州扬宝机械有限公司 | Hydraulic control device of through-type hydraulic wringing machine and control method of hydraulic control device |
| CN105971953A (en) * | 2016-06-27 | 2016-09-28 | 中国农业大学 | Sprayer spraying rod ground profiling hydraulic system with dynamic pressure feedback devices |
| CN105971953B (en) * | 2016-06-27 | 2017-11-14 | 中国农业大学 | A kind of spraying machine spray lance ground shape imitation hydraulic system with dynamic pressure feedback device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20160304 |