CN209800388U - Hydraulic system and workpiece moving control equipment - Google Patents
Hydraulic system and workpiece moving control equipment Download PDFInfo
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- CN209800388U CN209800388U CN201822072356.2U CN201822072356U CN209800388U CN 209800388 U CN209800388 U CN 209800388U CN 201822072356 U CN201822072356 U CN 201822072356U CN 209800388 U CN209800388 U CN 209800388U
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Abstract
The utility model provides a hydraulic system and control work piece mobile device, hydraulic system includes: the hydraulic system comprises a hydraulic source, a control mechanism and at least two digital hydraulic cylinders, wherein the hydraulic source is connected with each digital hydraulic cylinder through a pipeline, the control mechanism is electrically connected with the hydraulic source and each digital hydraulic cylinder respectively, the control mechanism is used for controlling the working states of the hydraulic source and the digital hydraulic cylinders so as to enable liquid in the hydraulic source to push a piston rod in each digital hydraulic cylinder to move synchronously, and the piston rod is used for controlling the movement of a workpiece. The hydraulic system in this embodiment can realize the synchronous motion of at least two digital hydraulic cylinders only through the hydraulic source and the control mechanism, and simultaneously reduces the elements of the whole hydraulic system, so that the structure of the hydraulic system is simpler.
Description
Technical Field
The utility model relates to a hydraulic system technical field especially relates to a hydraulic system and control work piece mobile device.
Background
Many large-scale devices employ hydraulic systems through which the movement of the workpiece can be controlled. When the weight of the workpiece is heavy, the hydraulic system needs to transmit large torque, and because the volume of the hydraulic cylinder in the hydraulic system is limited and the transmitted torque is also limited, a plurality of hydraulic cylinders are generally needed.
In practical application, in order to ensure the movement effect, the hydraulic cylinders need to be moved synchronously, so the hydraulic system needs to be provided with hydraulic elements for controlling the synchronization of the hydraulic cylinders, for example: a position sensor, an electromagnetic directional valve, a proportional direction valve, an integrated oil block and the like. As can be seen, the current hydraulic system has more elements and more complex structure.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a hydraulic system and control work piece mobile device to it is more to solve current hydraulic system's component, the comparatively complicated problem of structure.
In order to solve the technical problem, the utility model discloses a realize like this:
In a first aspect, an embodiment of the present invention provides a hydraulic system for controlling a workpiece to move, the hydraulic system includes: the hydraulic system comprises a hydraulic source, a control mechanism and at least two digital hydraulic cylinders, wherein the hydraulic source is connected with each digital hydraulic cylinder through a pipeline, the control mechanism is electrically connected with the hydraulic source and each digital hydraulic cylinder respectively, the control mechanism is used for controlling the working states of the hydraulic source and the digital hydraulic cylinders so as to enable liquid in the hydraulic source to push a piston rod in each digital hydraulic cylinder to move synchronously, and the piston rod is used for controlling the movement of a workpiece.
Optionally, the control mechanism includes an instruction input device, a programmable logic controller, and at least two converters, the instruction input device is electrically connected to the programmable logic controller, the programmable logic controller is electrically connected to each converter, and each converter is connected to each digital hydraulic cylinder in a one-to-one correspondence manner.
Optionally, the instruction input unit, the programmable logic controller, and the at least two converters are all disposed in the same box, and the instruction input unit is disposed on a surface of the box.
Optionally, the instruction input device is a touch screen.
Optionally, the instruction input device is an industrial personal computer.
Optionally, the digital hydraulic cylinder includes a driving member, and the driving member is electrically connected to the control mechanism.
Optionally, the driving member is a servo motor or a stepping motor.
Optionally, the hydraulic source comprises a hydraulic pump.
Optionally, the hydraulic source further includes an overflow valve, and the overflow valve is disposed in a pipeline connected to the digital hydraulic cylinder.
In a second aspect, the present invention further provides a device for controlling moving of a workpiece, including the hydraulic system in the above embodiments.
The embodiment of the utility model provides a hydraulic system includes: the hydraulic system comprises a hydraulic source, a control mechanism and at least two digital hydraulic cylinders, wherein the hydraulic source is connected with each digital hydraulic cylinder through a pipeline, the control mechanism is electrically connected with the hydraulic source and each digital hydraulic cylinder respectively, the control mechanism is used for controlling the working states of the hydraulic source and the digital hydraulic cylinders so as to enable liquid in the hydraulic source to push a piston rod in each digital hydraulic cylinder to move synchronously, and the piston rod is used for controlling the movement of a workpiece. The hydraulic system in this embodiment can realize the synchronous motion of at least two digital hydraulic cylinders only through the hydraulic source and the control mechanism, and simultaneously reduces the elements of the whole hydraulic system, so that the structure of the hydraulic system is simpler.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a hydraulic system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a hydraulic system provided in an embodiment of the present invention, for controlling a workpiece to move, the hydraulic system includes: the hydraulic system comprises a hydraulic source 1, a control mechanism 2 and at least two digital hydraulic cylinders 3, wherein the hydraulic source 1 is connected with each digital hydraulic cylinder 3 through a pipeline, the control mechanism 2 is electrically connected with the hydraulic source 1 and each digital hydraulic cylinder 3 respectively, the control mechanism 2 is used for controlling the working states of the hydraulic source 1 and the digital hydraulic cylinders 3 so that liquid in the hydraulic source 1 pushes a piston rod in each digital hydraulic cylinder 3 to move synchronously, and the piston rod is used for controlling the movement of a workpiece.
The working principle of this embodiment may be as follows: the control mechanism 2 can control the hydraulic source 1 to provide liquid for the digital hydraulic cylinders 3, and meanwhile, the control mechanism 2 can also set the corresponding preset displacement of the piston rod in each digital hydraulic cylinder 3, so that the piston rod in each digital hydraulic cylinder 3 can move by the corresponding preset displacement under the pushing of the liquid, and further, the workpiece is controlled to move by the preset displacement.
Principle of the digital hydraulic cylinder 3: the digital hydraulic cylinder 3 is in closed loop feedback, and the closed loop feedback adopts a mechanical transmission mode. The mechanical closed-loop feedback is characterized in that a roller screw is arranged in a digital hydraulic cylinder 3 and is connected with a valve core of a digital valve, when the control mechanism 2 drives the valve core to generate axial displacement, the valve core is opened, a piston of the oil cylinder moves, and simultaneously, the screw rod is driven to move to push the valve core back to a zero position, and the piston of the oil cylinder reaches an instruction position. The piston rod of the digital hydraulic cylinder 3 may be in direct contact with or fixedly connected to a workpiece, and of course, the piston rod may also be connected to a support plate on which the workpiece may be placed, and the specific type is not limited herein.
In some alternative embodiments, the piston rods in the plurality of digital hydraulic cylinders 3 may all be arranged in the same direction, for example: are arranged along the vertical direction or the horizontal direction.
The liquid provided by the hydraulic source 1 to the digital hydraulic cylinder 3 through the pipeline can be hydraulic oil, and the hydraulic oil has the functions of energy transfer, wear resistance, system lubrication, corrosion resistance, rust resistance, cooling and the like.
It should be noted that the control mechanism 2 is used for controlling the operating states of the hydraulic pressure source 1 and the digital hydraulic cylinder 3, specifically, the control mechanism 2 can be used for controlling whether the hydraulic pressure source 1 supplies liquid to the digital hydraulic cylinder 3 and the specific time of supplying liquid, and the control mechanism 2 can also be used for controlling whether the digital hydraulic cylinder 3 operates and the specific time of operating, etc. In addition, the piston rod is used for controlling the movement of the workpiece, specifically, the piston rod can directly push or pull the workpiece to move, and of course, when the piston rod stops moving, the piston rod can be used for supporting the workpiece, and at the moment, the piston rod can control the workpiece to be in a state of stopping moving.
The embodiment of the utility model provides a hydraulic system includes: the hydraulic system comprises a hydraulic source, a control mechanism and at least two digital hydraulic cylinders, wherein the hydraulic source is connected with each digital hydraulic cylinder through a pipeline, the control mechanism is electrically connected with the hydraulic source and each digital hydraulic cylinder respectively, the control mechanism is used for controlling the working states of the hydraulic source and the digital hydraulic cylinders so as to enable liquid in the hydraulic source to push a piston rod in each digital hydraulic cylinder to move synchronously, and the piston rod is used for controlling the movement of a workpiece. The hydraulic system in this embodiment can realize the synchronous motion of at least two digital hydraulic cylinders only through the hydraulic source and the control mechanism, and simultaneously reduces the elements of the whole hydraulic system, so that the structure of the hydraulic system is simpler.
Optionally, referring to fig. 1, the control mechanism 2 includes a command input unit 201, a programmable logic controller 202, and at least two converters 203, where the command input unit 201 is electrically connected to the programmable logic controller 202, the programmable logic controller 202 is electrically connected to each converter 203, and each converter 203 is connected to each digital hydraulic cylinder 3 in a one-to-one correspondence manner.
The instruction input device 201 may be configured to set a preset displacement amount corresponding to the piston rod in each digital hydraulic cylinder 3, the programmable logic controller 202 may calculate the frequency and the number of the pulse signals according to the preset displacement amount corresponding to the piston rod in each digital hydraulic cylinder 3, and send a pulse signal with a certain frequency and a certain number to each converter 203, each converter 203 is configured to convert the received pulse signal, and then control the piston rod in each digital hydraulic cylinder 3 to move the corresponding preset displacement amount, and finally control the workpiece to move the preset displacement amount.
It should be noted that the corresponding preset displacement of the piston rod in each digital hydraulic cylinder 3 may be the same.
In addition, the working states of the hydraulic source 1 and the digital hydraulic cylinder 3 are controlled by the instruction input device 201, the programmable logic controller 202 and the at least two converters 203, the whole hydraulic system can be debugged by workers before leaving a factory, and in the using process, the workers do not need to perform complex debugging, so that the hydraulic system is more convenient to use.
The embodiment of the utility model provides an in, control mechanism includes instruction input unit, programmable logic controller and two at least converters, like this, uses through the cooperation of above-mentioned part for the user is when setting up the displacement volume of piston rod in each digital hydraulic cylinder, and the operation is very convenient.
Alternatively, referring to fig. 1, the instruction input unit 201, the plc 202, and the at least two converters 203 are disposed on the same housing 4, and the instruction input unit 201 is disposed on the surface of the housing 4.
The shape and material of the box 4 are not specifically limited herein, and for example: it may be rectangular or arc-shaped, etc., and the material of the case 4 may be a metal material or plastic, etc.
The programmable logic controller 202 and the at least two converters 203 may be disposed inside or on the surface of the box 4, and the command input unit 201 is disposed on the surface of the box 4.
In addition, the instruction input unit 201, the programmable logic controller 202, and the at least two converters 203 may also be separately disposed, and are not disposed in the same box, that is, the instruction input unit 201, the programmable logic controller 202, and the at least two converters 203 may all be independent elements.
The embodiment of the utility model provides an in, instruction input ware, programmable logic controller and two at least converters all set up in same box, like this, can reduce because user's mistake touches the emergence that causes the destroyed phenomenon of circuit between the above-mentioned part to because above-mentioned part all sets up in same box, it is more convenient to find the position of each part when overhauing.
Optionally, the instruction input device 201 is a touch screen.
The touch screen may display setting options of parameters such as the displacement of the piston rod in each digital hydraulic cylinder 3, and the user may directly set the parameters on the touch screen.
The embodiment of the utility model provides an in, when instruction input ware was the touch-sensitive screen, the user can directly set up corresponding parameter on the touch-sensitive screen through pointing, like the displacement volume of piston rod in each digital hydraulic cylinder to make user's operation convenient more and swift.
Optionally, the instruction input unit 201 is an industrial personal computer.
Wherein, the industrial computer is owing to generally have the casing, under the protection of casing for the industrial computer is difficult for damaging.
The embodiment of the utility model provides an in, when the instruction input ware was the industrial computer, because the industrial computer is not fragile for the touch-sensitive screen to make the life of industrial computer longer.
optionally, the digital hydraulic cylinder 3 comprises a driving member, which is electrically connected to the control mechanism 2.
The driving member may be disposed at one end of the digital hydraulic cylinder 3, and the driving member may be electrically connected to the control structure 2, and may also be electrically connected to other components inside the digital hydraulic cylinder 3. For example: couplings, and the like. Thereby better driving the piston rod into motion.
The embodiment of the utility model provides an in, digital pneumatic cylinder includes the driving piece to make when the actuating piston rod removes, the drive effect is better.
Optionally, the driving member is a servo motor or a stepping motor.
When the piston rod is controlled to move and the requirement on the precision of the displacement is high, a servo motor can be adopted; when the precision requirement of the displacement is low, a stepping motor can be adopted.
The embodiment of the utility model provides an in, the driving piece is servo motor or step motor, and servo motor or step motor's drive effect is more stable, and life is longer.
Alternatively, the hydraulic pressure source 1 comprises a hydraulic pump.
The embodiment of the utility model provides an in, because the hydraulic pump is common spare part, use cost is lower, and the hydraulic pump when the motion of drive liquid, the good reliability, the life of hydraulic pump is longer.
Optionally, the hydraulic source 1 further includes an overflow valve, the overflow valve is connected to the hydraulic pump, and the overflow valve is disposed in a pipeline connected to the digital hydraulic cylinder.
The embodiment of the utility model provides an in, the hydraulic pressure source still includes the overflow valve to make whole hydraulic system have better level pressure overflow, steady voltage, system off-load and safety protection function.
The embodiment of the utility model provides a still provide a control work piece mobile device, hydraulic system in the above-mentioned embodiment.
The equipment for controlling the workpiece to move can also comprise a support flat plate, a piston rod in each digital hydraulic cylinder can be connected with the support flat plate, and the workpiece can be placed on the support flat plate.
The embodiment of the utility model provides a control work piece mobile device, including the hydraulic system in above-mentioned embodiment, and hydraulic system can refer to the description of above-mentioned embodiment, specifically no longer explains here. Since the hydraulic system in the above embodiment is adopted in this embodiment, the apparatus for controlling movement of a workpiece provided in the embodiment of the present invention has the same advantageous effects as the hydraulic system in the above embodiment.
The workpiece moving control equipment can be equipment such as a lifting platform.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (10)
1. A hydraulic system for controlling movement of a workpiece, the hydraulic system comprising: the hydraulic system comprises a hydraulic source, a control mechanism and at least two digital hydraulic cylinders, wherein the hydraulic source is connected with each digital hydraulic cylinder through a pipeline, the control mechanism is electrically connected with the hydraulic source and each digital hydraulic cylinder respectively, the control mechanism is used for controlling the working states of the hydraulic source and the digital hydraulic cylinders so as to enable liquid in the hydraulic source to push a piston rod in each digital hydraulic cylinder to move synchronously, and the piston rod is used for controlling the movement of a workpiece.
2. The hydraulic system of claim 1, wherein the control mechanism comprises a command input unit, a programmable logic controller, and at least two converters, the command input unit being electrically connected to the programmable logic controller, the programmable logic controller being electrically connected to each of the converters, each of the converters being connected to each of the digital hydraulic cylinders in a one-to-one correspondence.
3. The hydraulic system of claim 2, wherein the command input, the programmable logic controller, and the at least two transducers are disposed in a common housing, and the command input is disposed on a surface of the housing.
4. The hydraulic system of claim 2, wherein the command input is a touch screen.
5. The hydraulic system of claim 2, wherein the command input is an industrial personal computer.
6. The hydraulic system of claim 2, wherein the digital hydraulic cylinder includes a drive member that is electrically connected to the control mechanism.
7. The hydraulic system of claim 6, wherein the drive member is a servo motor or a stepper motor.
8. The hydraulic system of any one of claims 1-7, wherein the hydraulic pressure source comprises a hydraulic pump.
9. The hydraulic system of claim 8, wherein the hydraulic pressure source further comprises an overflow valve disposed in a conduit connected to the digital hydraulic cylinder.
10. A device for controlling the movement of a workpiece, characterized in that it comprises a hydraulic system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072356.2U CN209800388U (en) | 2018-12-11 | 2018-12-11 | Hydraulic system and workpiece moving control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072356.2U CN209800388U (en) | 2018-12-11 | 2018-12-11 | Hydraulic system and workpiece moving control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800388U true CN209800388U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822072356.2U Active CN209800388U (en) | 2018-12-11 | 2018-12-11 | Hydraulic system and workpiece moving control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800388U (en) |
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2018
- 2018-12-11 CN CN201822072356.2U patent/CN209800388U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201228 Address after: 101400 Yanqi Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Beijing Huihong Technology Co., Ltd Address before: 037008 no.7899, north side of East extension of Yunzhou street, Datong City, Shanxi Province Patentee before: SHANXI MIASOLECHINA EQUIPMENT TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211027 Address after: No.31 Yanqi street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Dongjun new energy Co.,Ltd. Address before: 101400 Yanqi Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee before: Beijing Huihong Technology Co., Ltd |
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| TR01 | Transfer of patent right |