CN211951017U - One-pump multi-cylinder energy-saving hydraulic device for pulp molding production equipment - Google Patents
One-pump multi-cylinder energy-saving hydraulic device for pulp molding production equipment Download PDFInfo
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- CN211951017U CN211951017U CN201922074316.6U CN201922074316U CN211951017U CN 211951017 U CN211951017 U CN 211951017U CN 201922074316 U CN201922074316 U CN 201922074316U CN 211951017 U CN211951017 U CN 211951017U
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Abstract
The utility model relates to a one-pump multi-cylinder energy-saving hydraulic device for paper pulp molding production equipment, which comprises a hydraulic oil circuit with a hydraulic pump, an oil supply pipeline and an oil return pipeline, and also comprises a driving oil cylinder and a plurality of driven oil cylinders; the driving oil cylinder is connected with the hydraulic oil circuit through a first reversing valve so that the hydraulic oil circuit controls the driving oil cylinder to stretch; the driven oil cylinder is connected with an oil storage tank through a liquid filling valve; fixedly connected with paper pulp hot drying mold's work platform on a plurality of slave cylinder, through the rising of initiative hydro-cylinder, powerful spring is compressed, make slave cylinder rise gradually to paper pulp hot drying mold's work platform's pressure, along with the continuation of initiative hydro-cylinder rises, make initiative hydro-cylinder extrusion at paper pulp hot drying mold's work platform center, apply the extrusion force, through the dead lever, be the triangle-shaped structure between strengthening rib and the second collar, the condition of warping is caused because of the atress is uneven easily to the work platform that can effectually avoid paper pulp hot drying mold.
Description
Technical Field
The utility model relates to a paper pulp thermal drying mould's work platform's hydraulic drive technical field specifically is an energy-conserving hydraulic means of a pump multi-cylinder for paper pulp molding production facility.
Background
In the production of pulp molding, especially in the working platforms of paper pulp hot drying molds such as forming molds, hot pressing molds and the like, the sealing performance of the mold can be ensured only when the mold closing pressure value designed by the mold is required to be reached, and the production of high-quality pulp molding products is realized. Due to the limitation of the performance of the oil pressure system, the high pressure is generally realized by the balance action of a plurality of oil cylinders, and the balance layout of the plurality of oil cylinders has the following technical defects: firstly, the oil cylinder is flexible, the required oil amount is large, large-flow liquid supply pipelines and other matched devices need to be arranged, and the system cost is high; secondly, when a plurality of oil cylinders move and the flow rate is constant, the number of the oil cylinders is inversely proportional to the moving speed, so that the running speed of the equipment is low.
A chinese patent with application number 2018217041939 discloses a pump multi-cylinder energy-saving hydraulic device, which realizes synchronous extension and retraction of a driving oil cylinder and driven oil cylinders by connecting a driving oil cylinder and a plurality of driven oil cylinders on an integral moving part; meanwhile, the driving oil way is arranged to connect the driving oil cylinder to the hydraulic oil way, so that the expansion control of the driving oil cylinder is realized; meanwhile, a plurality of driven oil cylinder modules are arranged on the driven oil path.
The one-pump multi-cylinder energy-saving hydraulic device disclosed by the prior art can realize the quick movement of the oil cylinder through the matching between the driving oil cylinder and the driven oil cylinder, and the running speed of equipment is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a pump multi-cylinder energy-saving hydraulic device for paper pulp molding production equipment.
The utility model provides a its technical problem adopt following technical scheme to realize: a one-pump multi-cylinder energy-saving hydraulic device for pulp molding production equipment comprises a hydraulic oil way with a hydraulic pump, an oil supply pipeline and an oil return pipeline, and further comprises a driving oil cylinder and a plurality of driven oil cylinders; the driving oil cylinder is connected with the hydraulic oil circuit through a first reversing valve so that the hydraulic oil circuit controls the driving oil cylinder to stretch; the driven oil cylinder is connected with an oil storage tank through a liquid filling valve; the even arrangement of a plurality of slave cylinder equidistance is around the initiative hydro-cylinder, the last work platform of the hot dry mould of fixedly connected with paper pulp of a plurality of slave cylinders, with the work platform up-and-down motion of the hot dry mould of drive paper pulp, the first collar of fixedly connected with on the slave cylinder, the second collar has been cup jointed in the slip on the initiative hydro-cylinder, and fixed mounting has the spacing ring on the initiative hydro-cylinder, the downside at the second collar is installed to the spacing ring, be equipped with powerful spring between spacing ring and second collar, the height of first collar is higher than the second collar, pass through dead lever and strengthening rib fixed connection between second collar and first collar, the dead lever, be the triangle-shaped structure between strengthening rib and second collar.
Through above-mentioned technical scheme, can utilize dead lever, strengthening rib and second installation to encircle and be the triangle-shaped structure, the condition of warping is easily caused because of the atress is uneven to the work platform that can effectually avoid the hot drying die of paper pulp of super large tracts of land.
As to the further explanation of the multi-cylinder energy-saving hydraulic device of the present invention, preferably, an energy storage device is further disposed on the hydraulic oil circuit, and the energy storage device is connected to the driving oil cylinder through a second directional valve, so that the energy storage device assists the driving oil cylinder to stretch out and draw back.
Through above-mentioned technical scheme, can carry out the oil charge pressure boost from the hydraulic pressure oil circuit when paper pulp thermal drying mould shaping, when initiative pneumatic cylinder goes up, release hydraulic pressure ability in to the initiative pneumatic cylinder, further increase the rising speed of initiative hydro-cylinder to further promote production efficiency.
As a further description of the multi-cylinder energy-saving hydraulic device of the present invention, preferably, the energy accumulator is further communicated with the corresponding number of slave hydraulic cylinders through a plurality of third directional control valves, so that the energy accumulator adjusts the pressure in the slave hydraulic cylinders.
Through the technical scheme, the pressure in the driven oil cylinders can be finely adjusted through the control of the third reversing valve, so that the balance regulation and control of the pressure are realized.
As right the energy-conserving hydraulic means of a pump multi-cylinder further explain, preferably, the hydraulic pump include the motor and with the pair impeller pump that motor drive connects, the liquid outlet department of two these pair impeller pumps is located respectively to the head and the tail both ends of supplying oil pipeline.
Through above-mentioned technical scheme, can follow both ends feed liquor simultaneously, can guarantee that the pressure balance in the oil supply line is stable.
As a further explanation of the multi-cylinder energy-saving hydraulic device of the present invention, preferably, the second mounting ring is formed by splicing two semicircular rings, and the two semicircular rings are fixedly connected by a bolt.
Through above-mentioned technical scheme, can be to the dismantlement of collar, and then can change strong spring and get off, change into different elastic strong springs.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a multi-cylinder energy-saving hydraulic device with one pump,
1. the strong spring is compressed by the rising of the driving oil cylinder, so that the pressure of the driven oil cylinder on the working platform of the paper pulp mold thermal drying mold gradually rises, the driving oil cylinder is extruded at the center of the working platform of the paper pulp mold thermal drying mold to apply extrusion force along with the continuous rising of the driving oil cylinder, and a triangular structure is formed among the fixing rod, the reinforcing rib and the second mounting ring, so that the condition that the working platform of the paper pulp mold thermal drying mold is easy to deform due to uneven stress can be effectively avoided;
2. when the working platform of the paper pulp thermal drying mold is molded, the energy accumulator charges oil and pressurizes from the hydraulic oil circuit, when the driving hydraulic cylinder ascends, hydraulic energy is released into the driving hydraulic cylinder, and the ascending speed of the driving oil cylinder is further increased, so that the production efficiency is further improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the second mounting ring.
In the figure: the hydraulic pump comprises a hydraulic pump 1, an oil supply pipeline 2, a hydraulic oil way 3, a driving oil cylinder 4, a driven oil cylinder 5, a first mounting ring 6, a second mounting ring 7, a limiting ring 8, a strong spring 9, a fixing rod 10, a reinforcing rib 11 and an energy accumulator 12.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.
The utility model provides a one pump multi-cylinder energy-saving hydraulic device for paper pulp molding production equipment, as shown in figure 1, comprises a hydraulic oil circuit 3 with a hydraulic pump 1, an oil supply pipeline 2 and an oil return pipeline, and also comprises a driving oil cylinder 4 and a plurality of driven oil cylinders 5; the driving oil cylinder 4 is connected with the hydraulic oil circuit 3 through a first reversing valve, so that the hydraulic oil circuit 3 controls the driving oil cylinder 4 to stretch; the driven oil cylinder 5 is connected with an oil storage tank through a liquid filling valve; the even arrangement of a plurality of slave cylinder 5 equidistance is around initiative hydro-cylinder 4, the work platform of the hot dry mould of fixedly connected with paper pulp on a plurality of slave cylinder 5, in order to drive the work platform up-and-down motion of the hot dry mould of paper pulp, the first collar 6 of fixedly connected with on the slave cylinder 5, the second collar 7 has been cup jointed in the slip on the initiative hydro-cylinder 4, and fixed mounting has spacing ring 8 on the initiative hydro-cylinder 4, the downside at second collar 7 is installed to spacing ring 8, be equipped with powerful spring 9 between spacing ring 8 and second collar 7, the height of first collar 6 is higher than second collar 7, pass through dead lever 10 and strengthening rib 11 fixed connection between second collar 7 and first collar 6, dead lever 10, be the triangle-shaped structure between strengthening rib 11 and second collar 7.
When the device works, the driven oil cylinder 5 is firstly arranged at the bottom of a working platform of a paper pulp thermal drying mould, the hydraulic oil circuit 3 drives the driving oil cylinder 4 to ascend, the driving oil cylinder 4 can drive the driven oil cylinder 5 to ascend through the matching among the limiting ring 8, the strong spring 9, the second mounting ring 7 and the fixed rod 10 and the further reinforcement of the reinforcing rib 11, so that the working platform of the paper pulp thermal drying mould arranged on the driven oil cylinder 5 moves upwards, the driven oil cylinder 5 is pumped into a hydraulic oil diagram from an oil tank at the moment, after the driven oil cylinder 5 drives the paper pulp thermal drying mould to be closed, the driving oil cylinder 4 is not contacted with the paper pulp thermal drying mould at the moment, the driving oil cylinder 4 continuously ascends, the strong spring 9 is compressed, the pressure of the driven oil cylinder 5 on the working platform of the paper pulp thermal drying mould gradually ascends, and the driving oil cylinder 4 is extruded at the center of the, the extrusion force is applied, the triangular structure is formed between the fixing rod 10, the reinforcing ribs 11 and the second mounting ring 7, and the condition that the working platform of the paper pulp hot drying mold is deformed due to uneven stress can be effectively avoided.
As an embodiment of the utility model, still be equipped with energy storage device 12 on hydraulic pressure oil circuit 3, energy storage device 12 is connected with initiative hydro-cylinder 4 through the second switching-over valve, so that energy storage device 12 assists initiative hydro-cylinder 4 flexible, energy storage device 12 is when the work platform shaping of the hot dry mould of paper pulp, carry out the oil charge pressure boost in the hydraulic pressure oil circuit 3, when the initiative pneumatic cylinder rises, to release hydraulic energy in the initiative pneumatic cylinder, further increase the rising speed of initiative hydro-cylinder 4, thereby further promote production efficiency, after the work platform compound die of the hot dry mould of paper pulp is driven to slave cylinder 5, energy storage device 12 closes the energy release, make initiative hydro-cylinder 4 again by 3 oil intakes of hydraulic pressure oil circuit, avoid the kinetic energy that causes because of the intervention of the energy storage device too big.
As an embodiment of the utility model, energy storage 12 still communicates with the slave cylinder that corresponds quantity through a plurality of third switching-over valves to make energy storage 12 adjust the pressure in the slave cylinder, 4 extrusion at the initiative hydro-cylinder when the work platform center of the hot dry mould of paper pulp, energy storage 12 supplies pressure to slave cylinder 5, through the control of third switching-over valve, finely tunes the pressure in a plurality of slave cylinder 5, realizes the balanced regulation and control of pressure.
As an embodiment of the utility model, hydraulic pump 1 include the motor and with the pair impeller pump that motor drive connects, the liquid outlet department of two these pair impeller pumps is located respectively at the head and the tail both ends of supplying oil pipeline 2, from both ends simultaneous feed liquor, can guarantee to supply the pressure balance in the oil pipeline 2 stable.
As an embodiment of the present invention, as shown in fig. 2, the second mounting ring 7 is formed by splicing two semicircular rings, two semicircular rings pass through the bolt-fastening connection, so as to detach the mounting ring, and then the powerful spring 9 can be replaced by the powerful spring 9 with different elasticity.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (5)
1. A one-pump multi-cylinder energy-saving hydraulic device for pulp molding production equipment comprises a hydraulic oil circuit (3) with a hydraulic pump (1), an oil supply pipeline (2) and an oil return pipeline, and is characterized by further comprising a driving oil cylinder (4) and a plurality of driven oil cylinders (5); the driving oil cylinder (4) is connected with the hydraulic oil circuit (3) through a first reversing valve, so that the hydraulic oil circuit (3) controls the driving oil cylinder (4) to stretch; the driven oil cylinder (5) is connected with an oil storage tank through a liquid filling valve; a plurality of driven oil cylinders (5) are uniformly arranged around the driving oil cylinder (4) at equal intervals, a working platform of a paper pulp thermal drying mould is fixedly connected on the driven oil cylinders (5), so as to drive the paper pulp thermal drying mould to move up and down, a first mounting ring (6) is fixedly connected on the driven oil cylinder (5), a second mounting ring (7) is sleeved on the driving oil cylinder (4) in a sliding way, and fixed mounting has spacing ring (8) on initiative hydro-cylinder (4), install the downside at second collar (7) spacing ring (8), be equipped with powerful spring (9) between spacing ring (8) and second collar (7), the height of first collar (6) is higher than second collar (7), pass through dead lever (10) and strengthening rib (11) fixed connection between second collar (7) and first collar (6), dead lever (10), be the triangle-shaped structure between strengthening rib (11) and second collar (7).
2. The hydraulic device with one pump and multiple cylinders for saving energy as claimed in claim 1, wherein: and the hydraulic oil circuit (3) is also provided with an energy accumulator (12), and the energy accumulator (12) is connected with the driving oil cylinder (4) through a second reversing valve so that the energy accumulator (12) assists the driving oil cylinder (4) to stretch.
3. The hydraulic device with one pump and multiple cylinders for saving energy as claimed in claim 2, wherein: the energy accumulator (12) is also communicated with a corresponding number of slave hydraulic cylinders through a plurality of third reversing valves, so that the energy accumulator (12) adjusts the pressure in the slave hydraulic cylinders.
4. The hydraulic device with one pump and multiple cylinders for saving energy as claimed in claim 1, wherein: the hydraulic pump (1) comprises a motor and a duplex vane pump in transmission connection with the motor, and the head end and the tail end of the oil supply pipeline (2) are respectively arranged at the liquid outlet of the duplex vane pump.
5. The hydraulic device with one pump and multiple cylinders for saving energy as claimed in claim 1, wherein: the second mounting ring (7) is formed by splicing two semicircular rings which are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074316.6U CN211951017U (en) | 2019-11-27 | 2019-11-27 | One-pump multi-cylinder energy-saving hydraulic device for pulp molding production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074316.6U CN211951017U (en) | 2019-11-27 | 2019-11-27 | One-pump multi-cylinder energy-saving hydraulic device for pulp molding production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211951017U true CN211951017U (en) | 2020-11-17 |
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ID=73176628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922074316.6U Active CN211951017U (en) | 2019-11-27 | 2019-11-27 | One-pump multi-cylinder energy-saving hydraulic device for pulp molding production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211951017U (en) |
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2019
- 2019-11-27 CN CN201922074316.6U patent/CN211951017U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211203 Address after: 362000 plant 2, No. 1, Yuanfu North Road, roadside community, Changtai street, Licheng District, Quanzhou City, Fujian Province Patentee after: Quanzhou Zhongqian Machinery Co.,Ltd. Address before: 362000 Jiangnan hi tech park, Jiangnan high tech Zone, Licheng, Quanzhou, Fujian No. 1 Patentee before: QUANZHOU FAR EAST ENVIRONMENTAL PROTECTION EQUIPMENT CO.,LTD. |
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| TR01 | Transfer of patent right |