CN211588691U - Upper transmission hydraulic system of plate shearing machine - Google Patents
Upper transmission hydraulic system of plate shearing machine Download PDFInfo
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- CN211588691U CN211588691U CN201922316937.0U CN201922316937U CN211588691U CN 211588691 U CN211588691 U CN 211588691U CN 201922316937 U CN201922316937 U CN 201922316937U CN 211588691 U CN211588691 U CN 211588691U
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Abstract
The utility model discloses a transmission hydraulic system on plate shearing machine, with the lower cavity of left hydro-cylinder and the last cavity of right hydro-cylinder for the pipe connection, because the lower chamber of left hydro-cylinder and the annular area of right hydro-cylinder epicoele approximately equal to guarantee the synchronous operation of knife rest. The utility model discloses an among the hydraulic system, for the speed of returning journey that improves the knife rest, the system adopts the energy storage ware return circuit of returning journey. When the upper tool rest returns and hydraulic oil of the energy accumulator enters the lower cavity of the right oil cylinder, the hydraulic oil discharged from the upper cavity of the right oil cylinder is connected in series to the lower cavity of the left oil cylinder, the areas of the upper cavity of the right oil cylinder and the lower cavity of the left oil cylinder are the same, the tool rest is made to return, and the fixed oil quantity and pressure can provide fast shearing times, so that the working efficiency is improved.
Description
Technical Field
The utility model relates to a plate shearing machine control system technical field, more specifically relates to a transmission hydraulic system on plate shearing machine.
Background
The hydraulic system of the plate shearing machine comprises a first oil tank, a coarse filter connected with the first oil tank, a hydraulic pump connected with the coarse filter, an overflow valve and a speed regulating valve connected with the hydraulic pump, a reversing valve connected with the speed regulating valve, a closed working cylinder oil way connected with the reversing valve, two oil cylinders connected in series through the closed working cylinder oil way, and a sliding block connected with the two oil cylinders simultaneously, wherein the overflow valve is connected with a second oil tank.
The existing hydraulic system of the plate shearing machine is simple in structure, low in precision and poor in stability.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lathe operates steadily, efficient, useless consumption is little and easy maintenance's plate shearing machine transmission hydraulic system, solves the not enough of prior art.
According to an aspect of the utility model, a hydraulic system is transmitted on plate shearing machine is provided, including oil tank, oil pump, energy storage ware, right hydro-cylinder, left hydro-cylinder and pressure material jar, the oil pump with the oil tank is linked together, the oil pump through the check valve with the energy storage ware is linked together, the energy storage ware with the lower cavity of right hydro-cylinder links to each other, the upper chamber of right hydro-cylinder with the lower box of left hydro-cylinder is linked together, the upper chamber of left hydro-cylinder with the upper chamber of pressure material jar is linked together, and the upper chamber of pressure material jar with the check valve is linked together, the telescopic link of right hydro-cylinder and the telescopic link of left hydro-cylinder connect the upper cutter frame respectively; the output end of the one-way valve is further externally connected with an overflow valve, an oil inlet of the overflow valve is communicated with the output end of the one-way valve, an oil outlet of the overflow valve is communicated with the oil tank, and a spring control position of the overflow valve is externally connected with a two-position four-way reversing valve.
On the basis of the scheme, preferably, a gate valve is arranged between the energy accumulator and the one-way valve.
On the basis of the scheme, preferably, a pressure gauge is arranged between the gate valve and the energy accumulator.
On the basis of the scheme, the oil level is preferably arranged on the oil tank.
On the basis of the scheme, preferably, the oil pump is communicated with the oil tank through a filter.
On the basis of the scheme, preferably, the lower cavity of the right oil cylinder is communicated with the upper cavity of the right oil cylinder and the upper cavity of the left oil cylinder through a pipeline external control valve
The utility model discloses a transmission hydraulic system on plate shearing machine, with the lower cavity of left hydro-cylinder and the last cavity of right hydro-cylinder for the pipe connection, because the lower chamber of left hydro-cylinder and the annular area of right hydro-cylinder epicoele approximately equal to guarantee the synchronous operation of knife rest.
The utility model discloses an among the hydraulic system, for the speed of returning journey that improves the knife rest, the system adopts the energy storage ware return circuit of returning journey. When the upper tool rest returns and hydraulic oil of the energy accumulator enters the lower cavity of the right oil cylinder, the hydraulic oil discharged from the upper cavity of the right oil cylinder is connected in series to the lower cavity of the left oil cylinder, the areas of the upper cavity of the right oil cylinder and the lower cavity of the left oil cylinder are the same, the tool rest is made to return, and the fixed oil quantity and pressure can provide fast shearing times, so that the working efficiency is improved.
Compared with the prior art, the utility model discloses the structure is simpler, adopts a two-position four-way reversing valve alright accomplish all controls of plate shearing machine, and the cost is lower, and it is more convenient to use, and the plate shearing effect is better.
Drawings
Fig. 1 is a structural diagram of a transmission hydraulic system of a plate shearing machine according to the present invention;
fig. 2 is a schematic diagram of a transmission hydraulic system of a plate shearing machine according to the present invention;
in the figure: 1. the device comprises a left oil cylinder, 2, a material pressing cylinder, 3, an upper tool rest, 4, an oil pump, 5, a motor, 6, an oil pointer, 7, a filter, 10, an overflow valve, 11, a two-position four-way reversing valve, 12, a right oil cylinder, 13, an energy accumulator, 14, a gate valve, 15, a one-way valve, 17 and a pressure gauge.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 and being combined with fig. 2, the utility model discloses a transmission hydraulic system on plate shearing machine, including the oil tank, oil pump 4, energy storage device 13, right cylinder 12, left cylinder 1 and pressure feed cylinder 2, oil pump 4 is driven by motor 5, oil pump 4 is linked together with the oil tank through filter 7 in order to filter the hydraulic oil impurity in the postbox, oil pump 4 is linked together with energy storage device 13 through check valve 15 via gate valve 14, energy storage device 13 links to each other with the lower cavity of right cylinder 12, the upper cavity of right cylinder 12 is linked together with the lower cavity of left cylinder 1, the upper cavity of left cylinder 1 is linked together with the upper cavity of pressure feed cylinder 2, form the oil pressure drive of tandem structure, and the upper cavity of pressure feed cylinder 2 is linked together with check valve 15, the telescopic link of right cylinder 12 and the telescopic link of left cylinder 1 connect the knife rest 3 outward respectively; the lower cavity of the right oil cylinder 12 is communicated with the upper cavity of the right oil cylinder 12 and the upper cavity of the left oil cylinder 1 through a pipeline external control valve.
The utility model discloses still external overflow valve 10 at check valve 15's output, the oil inlet of overflow valve 10 is linked together with check valve 15's output, the oil-out of overflow valve 10 with the oil tank intercommunication, the external two-position four-way reversing valve 11 of spring control department of overflow valve 10. In order to prevent the oil tank from overflowing, the utility model discloses still be equipped with oil pointer 6 on the oil tank.
In order to guarantee the work stationarity, the daily maintenance and the maintenance of the lathe of being convenient for, the utility model discloses put oil tank, valve block, hydraulic element and hydro-cylinder equipartition on the upper portion of lathe.
The utility model discloses a working process does: after the motor 5 is started, hydraulic oil output by the oil pump 4 passes through an oil port of the overflow valve 10 and returns to the oil tank through the two-position four-way solenoid valve; when the foot switch is stepped on, YA1 of the two-position four-way electromagnetic directional valve is electrified, the valve core is switched to the right position, hydraulic oil output by the oil pump 4 is controlled by the overflow valve 10 to close the oil port, and the system builds pressure. One part of the pressure oil enters the material pressing oil cylinder to press the sheared plate material, the other part of the pressure oil enters the upper cavity of the left oil cylinder 1 to drive the upper tool rest 3 to move downwards, the oil liquid obtained from the lower cavity of the left oil cylinder 1 enters the upper cavity of the right oil cylinder 12, and the oil liquid in the lower cavity of the right oil cylinder 12 is pressed into the energy accumulator 13 to be stored. Because the area of the lower cavity of the left oil cylinder 1 is approximately equal to the area of the upper cavity of the right oil cylinder 12, a series synchronous circuit is formed, the moving speeds of the left oil cylinder 12 and the right oil cylinder 12 are approximately equal, the upper tool rest 3 reaches a bottom dead center, the electromagnetic valve is powered off, and the upper tool rest 3 returns to the top dead center under the action of pressure oil of the energy accumulator 13. The pressing cylinder 2 is returned by the spring force. When the uniformity of the blade gap needs to be adjusted, the shearing angle of the tool rest can be adjusted to 0 degree, then the gate valve 14 is unscrewed to enable the tool rest to slowly move downwards until the upper blade and the lower blade are overlapped for 1-3mm, the blade gap hand wheel is anticlockwise rotated to the minimum gap position, the blade gap is adjusted by using a bolt on the workbench, the gap uniformity is checked by using a feeler gauge, and then the energy accumulator 13 is filled with oil.
Adopt the utility model discloses a hydraulic system, lathe operate steadily, efficient, useless consumption is little and easy maintenance. Preferably, the present invention is provided with a pressure gauge 17 between the gate valve 14 and the accumulator 13 to indicate the pressure value.
The utility model discloses a transmission hydraulic system on plate shearing machine, with the lower cavity of left hydro-cylinder 1 and the last cavity of right hydro-cylinder 12 for the pipe connection, because the lower cavity of left hydro-cylinder 1 and the annular area of right hydro-cylinder 12 epicoele approximately equal to guarantee the synchronous operation of knife rest.
The utility model discloses an among the hydraulic system, for the speed of returning journey that improves the knife rest, the system adopts energy storage ware 13 return circuit of returning journey. When the upper tool rest 3 returns, when the hydraulic oil of the energy accumulator 13 enters the lower cavity of the right oil cylinder 12, the hydraulic oil discharged from the upper cavity of the right oil cylinder 12 is connected in series to the lower cavity of the left oil cylinder 1, the areas of the upper cavity of the right oil cylinder 12 and the lower cavity of the left oil cylinder 1 are the same, the tool rest is made to return, the fixed oil quantity and the fixed pressure can provide fast shearing times, and therefore the working efficiency is improved. Compared with the prior art, the utility model discloses the structure is simpler, adopts a two-position four-way reversing valve 11 alright accomplish all controls of plate shearing machine, and the cost is lower, and it is more convenient to use, and the plate shearing effect is better.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The upper transmission hydraulic system of the plate shearing machine is characterized by comprising an oil tank, an oil pump, an energy accumulator, a right oil cylinder, a left oil cylinder and a material pressing cylinder, wherein the oil pump is communicated with the oil tank, the oil pump is communicated with the energy accumulator through a one-way valve, the energy accumulator is connected with a lower cavity of the right oil cylinder, an upper cavity of the right oil cylinder is communicated with a lower box of the left oil cylinder, an upper cavity of the left oil cylinder is communicated with an upper cavity of the material pressing cylinder, the upper cavity of the material pressing cylinder is communicated with the one-way valve, and a telescopic rod of the right oil cylinder and a telescopic rod of the left oil cylinder are respectively externally connected with an upper tool rest; the output end of the one-way valve is further externally connected with an overflow valve, an oil inlet of the overflow valve is communicated with the output end of the one-way valve, an oil outlet of the overflow valve is communicated with the oil tank, and a spring control position of the overflow valve is externally connected with a two-position four-way reversing valve.
2. The hydraulic transmission system of claim 1, wherein a gate valve is disposed between the accumulator and the one-way valve.
3. The hydraulic transmission system of claim 2, wherein a pressure gauge is provided between the gate valve and the accumulator.
4. The hydraulic transmission system of claim 1, wherein the oil tank is provided with an oil pointer.
5. The hydraulic transmission system of claim 1, wherein the oil pump is in communication with the oil tank through a filter.
6. The hydraulic transmission system of the plate shearing machine as claimed in claim 1, wherein the lower cavity of the right cylinder is communicated with the upper cavity of the right cylinder and the upper cavity of the left cylinder through a control valve externally connected to a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316937.0U CN211588691U (en) | 2019-12-21 | 2019-12-21 | Upper transmission hydraulic system of plate shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316937.0U CN211588691U (en) | 2019-12-21 | 2019-12-21 | Upper transmission hydraulic system of plate shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211588691U true CN211588691U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922316937.0U Active CN211588691U (en) | 2019-12-21 | 2019-12-21 | Upper transmission hydraulic system of plate shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211588691U (en) |
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2019
- 2019-12-21 CN CN201922316937.0U patent/CN211588691U/en active Active
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