CN209129949U - A kind of hydraulic system and metal shearing machine - Google Patents
A kind of hydraulic system and metal shearing machine Download PDFInfo
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- CN209129949U CN209129949U CN201821695727.6U CN201821695727U CN209129949U CN 209129949 U CN209129949 U CN 209129949U CN 201821695727 U CN201821695727 U CN 201821695727U CN 209129949 U CN209129949 U CN 209129949U
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Abstract
The utility model proposes a kind of hydraulic systems, for metal shearing machine, including hydraulic pump and several can synchronization action shear cylinder, the shear cylinder includes at least the first shear cylinder and the second shear cylinder, first shear cylinder is connected to by the first pipeline with hydraulic pump, is additionally provided with several inserted valves on first pipeline；Second shear cylinder is connect by the second pipeline with hydraulic pump, several inserted valves also also are provided on second pipeline, and the inserted valve on first pipeline includes the second inserted valve, and the inserted valve on second pipeline includes third inserted valve.The hydraulic system of this structure includes at least the first shear cylinder and the second shear cylinder.Using the metal shearing machine of above-mentioned hydraulic system, structure is relatively easy, and when shearing to metal, the first shear cylinder and the second shear cylinder can provide power simultaneously, and shearing force is bigger, and faster, shear efficiency is higher for shear velocity, and use cost is also lower.The utility model also proposes a kind of metal shearing machine.
Description
Technical field
The utility model relates to shearing machine field, in particular to a kind of hydraulic system and metal shearing machine.
Background technique
In metal smelt industry field, metal shearing machine is a kind of critically important equipment.It can by waste metal processing factory,
Motor vehicle liquidation disassembles the various corner obsolete materials of factory, metal smelt industry, cuts into scheduled appropriate length as needed, both
It can be convenient storage transport, and can be promoted and melt down speed.
It is slider-crank mechanism that brave head, which is cut with the working principle of crocodile shears, and crank is shearing knife rest, thereon equipped with shearing
Blade, slide block mechanism are hydraulic cylinder, and oil cylinder stretches out or retract driving shearing knife rest around hinged spot wobble, and then cuts steel and do
Function.The brave head of this class formation is cut and crocodile shears, and there are following deficiencies:
Firstly, oil cylinder piston area is big to meet shearing force needs, when leading to idle stroke or small load, required flow is very
Greatly, very big cost price need to be paid by improving shear efficiency.
Secondly, shearing force and oil cylinder driving force meet relational expression according to torque equilibrium equation: shearing force=oil cylinder driving
Power * hinge to shear cylinder length/hinge to shearing point length.Terminal position is sheared, because loading more and more far away from hinge,
The load arm of force is increasing, and the shearing force that same oil cylinder driving force generates load is smaller and smaller, this results in this class formation
Shearing equipment working width it is limited, need human assistance feeding, it is difficult to realize high production capacity and automation, it is such on the market at present
Equipment is presented as the feature of manual workshop form poor efficiency, and not only working efficiency is low, and great work intensity.
Therefore, how a kind of low production and application cost, the degree of automation and the hydraulic system that work efficiency is high are provided, with
And the cutter including this hydraulic system, the technical issues of at those skilled in the art's urgent need to resolve.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of low production and application cost, the degree of automation and work
Make high-efficient hydraulic system, and the cutter including this hydraulic system.
The solution of the utility model is achieved in that the utility model proposes a kind of hydraulic system, is used for metal
On cutter, including hydraulic pump and several can synchronization action shear cylinder, the shear cylinder include at least the first shear cylinder and
Second shear cylinder, first shear cylinder are connected to by the first pipeline with hydraulic pump, are additionally provided with several on first pipeline
Inserted valve；Second shear cylinder is connect by the second pipeline with hydraulic pump, several also also are provided on second pipeline and is inserted
Valve is filled, the inserted valve on first pipeline includes the second inserted valve, and the inserted valve on second pipeline includes third inserting
Valve.The hydraulic system of this structure, including multiple shear cylinders include at least the first shear cylinder and the second shear cylinder.Using above-mentioned liquid
The metal shearing machine of pressure system, structure is relatively easy, and when shearing to metal, the first shear cylinder and the second shear cylinder can be simultaneously
Power is provided, shearing force is bigger, and faster, shear efficiency is higher for shear velocity, and use cost is also lower.
Another technical solution of the utility model is that on above-mentioned basis, the hydraulic system further includes fuel tank, institute
It states and is additionally provided with the first inserted valve between hydraulic pump and fuel tank, the side of first inserted valve is additionally provided with the overflow valve communicated therewith
And solenoid valve.
Another technical solution of the utility model is on above-mentioned basis, and the 6th is additionally provided on first pipeline and is inserted
Valve is filled, the side of the 6th inserted valve is additionally provided with the overflow valve and solenoid valve communicated therewith.
Another technical solution of the utility model is that on above-mentioned basis, the hydraulic system further includes third shearing
Cylinder, the third shear cylinder are connected to by third pipeline with hydraulic pump, also are provided with several inserted valves on the third pipeline.
Another technical solution of the utility model is that on above-mentioned basis, the inserted valve on the third pipeline includes
The side of 4th inserted valve, the 4th inserted valve is additionally provided with the overflow valve and solenoid valve communicated therewith.
Another technical solution of the utility model is that on above-mentioned basis, the inserted valve on the third pipeline also wraps
The 8th inserted valve is included, the side of the 8th inserted valve is additionally provided with the overflow valve and solenoid valve communicated therewith.
Another technical solution of the utility model be it is above-mentioned basis on, first shear cylinder include rod chamber and
Rodless cavity is additionally provided with solenoid valve, second shear cylinder and third shear cylinder on the pipeline between the rod chamber and rodless cavity
It is consistent with the structure of the first shear cylinder.
Another technical solution of the utility model be it is above-mentioned basis on, second shear cylinder and third shear cylinder
Rod chamber and rodless cavity between pipeline on further respectively have the 9th inserted valve and the tenth inserted valve.
Another technical solution of the utility model is that on above-mentioned basis, the hydraulic system further includes pressure sensing
Device, the pressure sensor are set to the outlet end of the hydraulic pump；The side of the hydraulic pump is additionally provided with described for driving
The motor of hydraulic pump rotation.
On the other hand, the utility model also proposes a kind of metal shearing machine, including hydraulic system, and the hydraulic system is such as
Upper described in any item hydraulic systems.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.
Fig. 1 is a kind of structural schematic diagram of hydraulic system of the utility model；
Fig. 2 is electromagnet action time-scale in hydraulic system.
Appended drawing reference corresponding relationship are as follows:
1 hydraulic pump, 2 motor, 3 first inserted valve
45 second inserted valve of pressure sensor, 6 third inserted valve
The 6th inserted valve of 7 the 4th the 5th inserted valve 9 of inserted valve 8
12 first check valve of the 8th inserted valve of 10 the 7th inserted valve 11
The 9th inserted valve of 13 second one-way valve, 14 solenoid valve 15
16 the tenth inserted valve, 17 first shear cylinder, 18 second shear cylinder
19 third shear cylinders
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to the protection scope of the utility model.In addition, those skilled in the art's retouching according to this document
It states, the corresponding combination can be carried out to the feature in embodiment in this document and in different embodiments.
The utility model embodiment is as follows, hydraulic system shown in Figure 1, is used for metal shearing machine, specifically includes
Hydraulic pump 1 and several can synchronization action shear cylinder, hydraulic pump 1 includes oil inlet end and oil outlet, and the side of hydraulic pump 1 is also set
Having for providing the motor 2 of power for hydraulic pump 1, the output shaft of motor 2 is fixedly connected with hydraulic pump 1, when motor 2 rotates, band
Hydrodynamic press pump 1 rotates, and shear cylinder includes at least the first shear cylinder 17 and the second shear cylinder 18, and the first shear cylinder 17 passes through the first pipe
Road is connected to the oil outlet of hydraulic pump 1, several inserted valves are additionally provided on the first pipeline.Correspondingly, the second shear cylinder 18 passes through
Second pipeline is connected to the oil outlet of hydraulic pump 1, several inserted valves also are provided on the second pipeline.Inserted valve on first pipeline
Including the second inserted valve 5, the inserted valve on the second pipeline includes third inserted valve 6.The hydraulic system of this structure, including multiple cut
Cylinder is cut, the first shear cylinder 17 and the second shear cylinder 18 are included at least.Using the metal shearing machine of above-mentioned hydraulic system, structure is opposite
Simply, when shearing to metal, the first shear cylinder 17 and the second shear cylinder 18 can provide power simultaneously, and shearing force is bigger,
Faster, shear efficiency is higher for shear velocity, and use cost is also lower.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 1, hydraulic system further includes
Fuel tank, is additionally provided with the first inserted valve 3 between hydraulic pump 1 and fuel tank, one end of the first inserted valve 3 and the oil outlet of hydraulic pump 1 connect
Logical, the other end is connected to by pipeline with fuel tank.Also pass through pipeline while first inserted valve 3 to be connected to fuel tank, in addition, as in figure
Shown, the side of the first inserted valve 3 is additionally provided with the overflow valve and solenoid valve communicated therewith, and solenoid valve is specially 2/2-way electromagnetism
Reversal valve.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 1, except the on the first pipeline
Outside two inserted valves 5, it is additionally provided with the 6th inserted valve 9, as the first inserted valve 3, the side of the 6th inserted valve 9 also is provided with connecting with it
Logical overflow valve and solenoid valve, solenoid valve are similarly 2/2-way solenoid directional control valve.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 1, removing the first shear cylinder 17
Outside the second shear cylinder 18, hydraulic system further includes third shear cylinder 19, and third shear cylinder 19 passes through third pipeline and hydraulic pump 1
Oil outlet connection, also be provided with several inserted valves on third pipeline.It should be noted that the first shear cylinder 17, second is sheared
Cylinder 18 and third shear cylinder 19 are set side by side, and in parallel between three shear cylinders, it can simultaneously operation, while stretching out or simultaneously
It retracts.In addition, hydraulic system can also increase or decrease the quantity of shear cylinder as needed.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 1, inserting on third pipeline
Dress valve specifically include the 4th inserted valve 7, as other inserted valves, the side of the 4th inserted valve 7 be additionally provided with communicate therewith overflow
Stream valve and solenoid valve, solenoid valve are similarly 2/2-way solenoid directional control valve.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 1, inserting on third pipeline
Valve is filled other than the 4th inserted valve 7, further includes the 8th inserted valve 11, the side of the 8th inserted valve 11 is additionally provided with overflowing of communicating therewith
Stream valve and solenoid valve, solenoid valve are similarly 2/2-way solenoid directional control valve.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 1, in the first shear cylinder 17
Equipped with piston, cylinder barrel is separated into rod chamber and rodless cavity by piston, is additionally provided with electromagnetism on the pipeline between rod chamber and rodless cavity
Valve 14, the second shear cylinder 18, third shear cylinder 19 are consistent with the structure of the first shear cylinder 17, the shearing of the first shear cylinder 17, second
Cylinder 18 and third shear cylinder 19 are set side by side, and are interconnected, as previously mentioned, three shear cylinders can synchronization telescope.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 1, the second shear cylinder 18
The 9th inserted valve 15 is additionally provided on pipeline between rod chamber and rodless cavity, between the rod chamber and rodless cavity of third shear cylinder 19
Pipeline on be additionally provided with the tenth inserted valve 16.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Figure 1, hydraulic system further includes
For monitoring the pressure sensor 4 of pipeline oil pressure, pressure sensor 4 is specifically set to the outlet end of hydraulic pump 1.When monitoring pipe
When oil pressure in road is excessively high, overflow can be carried out by the overflow valve being set in pipeline, with balance pipe pressure.
In addition, being additionally provided with the 5th inserted valve 8, the 7th inserted valve 10 in hydraulic system, the first check valve 12 and second is unidirectional
The components such as valve 13, specifically refer to existing and its improved technology, this will not be detailed here.
On the other hand, the utility model also proposes a kind of metal shearing machine, including hydraulic system, more specifically, hydraulic
System is hydraulic system as described above.
As shown in Fig. 2, 11 solenoid valves in hydraulic system electric timing, when shear cylinder idle stroke is stretched out, point
Do not there is DT1, DT5, DT7, DT9, DT10, DT11 to obtain electric, obtain it is electric after, the left position of each solenoid valve works, and right position does not work.And work as
When small load is sheared, DT1, DT2, DT5, DT11 obtain electric respectively.When heavy load is sheared, DT1, DT2, DT5, DT6, DT7 obtain electric.And
After shearing, when shear cylinder retracts, DT1, DT3, DT4, DT8, DT10, DT11 obtain electric.
The metal shearing machine of this structure, as previously described, because using multiple shear cylinders being set side by side, and multiple shearings
Cylinder be interconnected, and can synchronization telescope, therefore, bigger with shearing force, faster, shear efficiency is higher for shear velocity, use
Cost also lower advantage.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of hydraulic system, it to be used for metal shearing machine, which is characterized in that can synchronization action including hydraulic pump and several
Shear cylinder, the shear cylinder include at least the first shear cylinder and the second shear cylinder, first shear cylinder by the first pipeline with
Hydraulic pump is connected to, and is additionally provided with several inserted valves on first pipeline；Second shear cylinder by the second pipeline with it is hydraulic
Pump connects, and also also is provided with several inserted valves on second pipeline, and the inserted valve on first pipeline includes the second inserting
Valve, the inserted valve on second pipeline includes third inserted valve.
2. hydraulic system according to claim 1, which is characterized in that the hydraulic system further includes fuel tank, described hydraulic
It is additionally provided with the first inserted valve between pump and fuel tank, the side of first inserted valve is additionally provided with the overflow valve and electromagnetism communicated therewith
Valve.
3. hydraulic system according to claim 2, which is characterized in that it is additionally provided with the 6th inserted valve on first pipeline,
The side of 6th inserted valve is additionally provided with the overflow valve and solenoid valve communicated therewith.
4. hydraulic system according to claim 3, which is characterized in that the hydraulic system further includes third shear cylinder, institute
It states third shear cylinder to be connected to by third pipeline with hydraulic pump, also is provided with several inserted valves on the third pipeline.
5. hydraulic system according to claim 4, which is characterized in that the inserted valve on the third pipeline includes the 4th slotting
Valve is filled, the side of the 4th inserted valve is additionally provided with the overflow valve and solenoid valve communicated therewith.
6. hydraulic system according to claim 5, which is characterized in that the inserted valve on the third pipeline further includes the 8th
The side of inserted valve, the 8th inserted valve is additionally provided with the overflow valve and solenoid valve communicated therewith.
7. hydraulic system according to claim 6, which is characterized in that first shear cylinder includes rod chamber and without bar
Chamber is additionally provided with solenoid valve, second shear cylinder and third shear cylinder and on the pipeline between the rod chamber and rodless cavity
The structure of one shear cylinder is consistent.
8. hydraulic system according to claim 7, which is characterized in that second shear cylinder and third shear cylinder have bar
The 9th inserted valve and the tenth inserted valve are further respectively had on pipeline between chamber and rodless cavity.
9. hydraulic system according to claim 8, which is characterized in that the hydraulic system further includes pressure sensor, institute
State the outlet end that pressure sensor is set to the hydraulic pump；
The side of the hydraulic pump is additionally provided with the motor for driving the hydraulic pump rotation.
10. a kind of metal shearing machine, including hydraulic system, which is characterized in that the hydraulic system is to appoint in claim 1 to 9
Hydraulic system described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821695727.6U CN209129949U (en) | 2018-10-18 | 2018-10-18 | A kind of hydraulic system and metal shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821695727.6U CN209129949U (en) | 2018-10-18 | 2018-10-18 | A kind of hydraulic system and metal shearing machine |
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| Publication Number | Publication Date |
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| CN209129949U true CN209129949U (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821695727.6U Active CN209129949U (en) | 2018-10-18 | 2018-10-18 | A kind of hydraulic system and metal shearing machine |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022394A (en) * | 2019-11-19 | 2020-04-17 | 一汽解放汽车有限公司 | Hydraulic integrated system |
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2018
- 2018-10-18 CN CN201821695727.6U patent/CN209129949U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022394A (en) * | 2019-11-19 | 2020-04-17 | 一汽解放汽车有限公司 | Hydraulic integrated system |
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