CN216206137U - High-precision control system for stroke of working oil cylinder of cubic press - Google Patents
High-precision control system for stroke of working oil cylinder of cubic press Download PDFInfo
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- CN216206137U CN216206137U CN202122249350.XU CN202122249350U CN216206137U CN 216206137 U CN216206137 U CN 216206137U CN 202122249350 U CN202122249350 U CN 202122249350U CN 216206137 U CN216206137 U CN 216206137U
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Abstract
The utility model provides a cubic press working cylinder stroke high accuracy control system, including cubic press and working cylinder, fixed displacement sensor installation fixed box that is provided with on the external fixation metal face of cubic press, be equipped with the displacement sensor that acts as go-between in the displacement sensor installation fixed box, the displacement sensor's that acts as go-between one end and this body coupling, the other end is through the perpendicular movable cylinder extension bar that sets up of each other, movable cylinder advancing direction extension bar, displacement sensor acts as go-between the fixed slot connection on the working cylinder, displacement sensor acts as go-between and is equipped with displacement stay wire lock dead nut in the fixed slot, act as go-between displacement sensor's the stay wire of fixing at displacement stay wire lock dead nut and act as go-between with working cylinder advancing direction level unanimity, stay wire displacement sensor connection control system. The utility model solves the problems of in-place stroke and low control precision of overtravel protection stroke of the working oil cylinder by utilizing the characteristics of small volume, convenient installation and adjustment, real-time detection and high precision measurement of the stay wire displacement sensor and the like.
Description
Technical Field
The utility model belongs to the technical field of cubic presses, and particularly relates to a high-precision control system for the stroke of a working oil cylinder of a cubic press.
Background
The cubic apparatus press is a large cavity press which is widely used in China, has the advantages of strong centering property, low manufacturing cost, easy operation and the like, and is a main device for synthesizing superhard materials such as diamond, cubic boron nitride and the like in China. The cubic apparatus press has 6 working cylinders, and the first-stage pressing can reach 6-8 GPa. The cubic apparatus press in the laboratory is mainly used for the synthesis research of large-size diamond single crystals, superhard composite materials, thermoelectric functional materials and novel superhard multifunctional materials. In the traditional synthesis process, the detection of the stroke in-place and over-stroke protection of the movable working oil cylinder is realized by adopting a means of sensing a metal sheet by a proximity switch, the means is extensive, the stroke control precision is not high, and the phenomena of squeezing, hitting, blasting and the like frequently occur in the synthesis process, so that the six-cylinder top hammer is cracked. Along with the large-scale development of the cubic press, the manufacturing cost of the anvil of the working cylinder is greatly increased, and in order to reduce the production cost, the requirements of users on accurate in-place stroke and overtravel protection of the working cylinder of the cubic press are gradually increased.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a high-precision control system for the stroke of a working oil cylinder of a cubic press, which is convenient to install and adjust and can detect high-precision measurement in real time, so that the risks of extruding, hitting and blasting of the top hammer of the working oil cylinder are reduced, and the purpose of reducing the synthesis cost of the cubic press is finally realized.
The technical scheme adopted by the utility model is as follows:
a high-precision control system for the stroke of a working oil cylinder of a cubic press comprises the cubic press and a working cylinder, wherein a displacement sensor mounting and fixing box is fixedly arranged on an external fixing metal surface of the cubic press, a stay wire displacement sensor is arranged in the displacement sensor mounting and fixing box, the other end of a stay wire of the stay wire displacement sensor is fixed on a sensor stay wire fixing support, the sensor stay wire fixing support is connected with the working cylinder, the stay wire of the stay wire displacement sensor is horizontally consistent with the advancing direction of the working cylinder, and the stay wire displacement sensor is connected with a control system; the sensor stay wire fixing support comprises a movable cylinder extension rod, a movable cylinder advancing direction extension rod and a displacement sensor stay wire fixing groove which are vertically arranged, one end of the movable cylinder extension rod is vertically arranged on the working cylinder, the other end of the movable cylinder extension rod is fixed with the movable cylinder advancing direction extension rod through a support rod locking nut, and the advancing direction of the movable cylinder extension rod is consistent with the advancing direction of the movable cylinder; the displacement sensor stay wire fixing groove is vertically installed on the extending rod of the advancing direction of the movable cylinder through a support rod locking nut, a displacement stay wire locking nut is arranged in the displacement sensor stay wire fixing groove, and a stay wire of the stay wire displacement sensor is fixed in the displacement stay wire locking nut.
A displacement sensor mounting bracket is arranged in the displacement sensor mounting and fixing box, the stay wire displacement sensor is mounted on the displacement sensor mounting bracket, and the stay wire of the stay wire displacement sensor penetrates out of the displacement sensor mounting and fixing box.
The stay wire length of the stay wire displacement sensor is larger than the stroke of the working cylinder.
The utility model solves the problems of in-place stroke and low control precision of overtravel protection stroke of the working oil cylinder by utilizing the characteristics of small volume, convenient installation and adjustment, real-time detection and high precision measurement of the stay wire displacement sensor and the like.
1. When the cubic press oil cylinder acts, the stay wire displacement sensor body is fixed, the stay wire of the stay wire displacement sensor can act along with the action of the movable cylinder, the real-time displacement of the cubic press working cylinder can be monitored constantly, the volume is small, and the installation and the adjustment are convenient.
2. In the process of calibrating the idle running position of the working cylinder before the synthesis of the cubic press, a relative calibration zero position can be set through the real-time displacement of the stay wire displacement sensor, and the running of the working cylinder is controlled by a control system, so that the working cylinder can accurately run to the relative calibration zero position, and the operation of accurately calibrating the idle running in place is facilitated; in the process of assembling the synthetic block, the three movable cylinders can be accurately controlled to be accurately in place through the stay wire displacement sensor, and the three movable cylinders are ensured to advance synchronously, so that the phenomena of squeezing, hitting, blasting and the like in the synthetic process caused by the asynchronization of the working cylinders are reduced.
3. In the synthetic process of the cubic press, the safe synthetic limit travel displacement of the working cylinder can be set, and limit protection is carried out on the phenomena of working cylinder overtravel and the like in the synthetic process by monitoring the feedback displacement of the relative zero position of the six-cylinder displacement sensor in real time, so that the phenomena of squeezing, hitting, blasting and the like are reduced, and the loss of the six-cylinder top hammer is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of a mounting and fixing box of the displacement sensor.
Fig. 3 is a schematic structural view of a sensor wire fixing bracket.
Fig. 4 is a schematic diagram of the position relationship between the sensor wire fixing bracket and the oil cylinder of the cubic press.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in figure 1, a cubic press working cylinder stroke high-precision control system comprises a cubic press 1 and a working cylinder 5, a displacement sensor mounting and fixing box 2 is fixedly arranged on an external fixing metal surface of the cubic press 1, as shown in figure 2, a displacement sensor mounting bracket 7 is arranged in the displacement sensor mounting and fixing box 2, a stay wire displacement sensor 6 is arranged on the displacement sensor mounting bracket 7, a stay wire 3 of the stay wire displacement sensor 6 penetrates out of the displacement sensor mounting and fixing box 2 and is fixed on a sensor stay wire fixing bracket 4, the sensor stay wire fixing bracket 4 is connected with the working cylinder 5, the stay wire 3 of the stay wire displacement sensor 6 is horizontally consistent with the advancing direction of the working cylinder, the stay wire displacement sensor 6 is connected with a control system, for left and right cylinders, front and rear cylinders of the cubic press, the stay wire 3 of the stay wire displacement sensor 6 is preferably in a horizontal state, for the upper cylinder and the lower cylinder of the cubic press, the stay wire 3 of the stay wire displacement sensor 6 is preferably in a vertical state, so that the measurement precision is improved, the length of the stay wire 3 of the stay wire displacement sensor 6 is larger than the stroke of the working cylinder, and the installation and the fixation are convenient. The control system comprises a controller, a display, an alarm device and an emergency stop button, is used for displaying the actual position of the anvil, is convenient for an operator to observe and control, and is also used for alarming and emergency stop, so that the loss is reduced. The control system in the present application is consistent with the existing electric control system, and therefore the detailed description of the control system is omitted in the present application.
As shown in fig. 3 and 4, the sensor stay wire fixing bracket 4 includes a movable cylinder extension rod 8, a movable cylinder advancing direction extension rod 9 and a displacement sensor stay wire fixing groove 10 which are vertically arranged, one end of the movable cylinder extension rod 8 is vertically installed on the working cylinder, the other end of the movable cylinder extension rod is fixed with the movable cylinder advancing direction extension rod 9 through a support rod locking nut 12, and the advancing direction extension rod 9 of the movable cylinder is consistent with the advancing direction of the movable cylinder; the stay wire fixing groove 10 of the displacement sensor is vertically installed on the extension rod 9 in the advancing direction of the movable cylinder through a support rod locking nut 12, a displacement stay wire locking nut 11 is arranged in the stay wire fixing groove 10 of the displacement sensor, a stay wire 3 of the stay wire displacement sensor 6 is fixed in the displacement stay wire locking nut 11, the displacement stay wire locking nut 11 can adjust the position in the groove of the stay wire fixing groove 10 of the displacement sensor, and the displacement stay wire locking nut 11 is fixed after the displacement stay wire fixing groove is adjusted to a proper position.
The top hammer of working cylinder takes place the displacement change, and the displacement sensor that acts as go-between can in time detect, and the change of the displacement sensor signal that acts as go-between has represented the actual displacement change of top hammer promptly, and the displacement sensor that acts as go-between transmits the displacement signal who records for control system, and control system controls the gos forward of working cylinder to the accurate target in place of three movable cylinders of accurate control guarantees simultaneously that three movable cylinders go forward in step, thereby reduces because of the working cylinder asynchronous phenomenon such as the crowded hammer that appears in the synthetic process, bump the hammer, blow out.
One end of the stay wire displacement sensor 6 is fixed on a fixed metal surface outside the cubic press, and the other end is fixed on the movable cylinder, so that the influence of the deformation of the press on the displacement measurement is fundamentally eliminated, and the displacement measurement precision is improved. The utility model solves the problems of in-place stroke and low control precision of overtravel protection stroke of the working oil cylinder by utilizing the characteristics of small volume, convenient installation and adjustment, real-time detection and high precision measurement of the stay wire displacement sensor and the like.
The utility model has the following advantages: 1. when the cubic press oil cylinder acts, the stay wire displacement sensor body is fixed, the stay wire of the stay wire displacement sensor can act along with the action of the movable cylinder, the real-time displacement of the cubic press working cylinder can be monitored constantly, the volume is small, and the installation and the adjustment are convenient.
2. In the process of calibrating the idle running position of the working cylinder before the synthesis of the cubic press, a relative calibration zero position can be set through the real-time displacement of the stay wire displacement sensor, and the running of the working cylinder is controlled by a control system, so that the working cylinder can accurately run to the relative calibration zero position, and the operation of accurately calibrating the idle running in place is facilitated; in the process of assembling the synthetic block, the three movable cylinders can be accurately controlled to be accurately in place through the stay wire displacement sensor, and the three movable cylinders are ensured to advance synchronously, so that the phenomena of squeezing, hitting, blasting and the like in the synthetic process caused by the asynchronization of the working cylinders are reduced.
3. In the synthetic process of the cubic press, the safe synthetic limit travel displacement of the working cylinder can be set, and limit protection is carried out on the phenomena of working cylinder overtravel and the like in the synthetic process by monitoring the feedback displacement of the relative zero position of the six-cylinder displacement sensor in real time, so that the phenomena of squeezing, hitting, blasting and the like are reduced, and the loss of the six-cylinder top hammer is reduced.
Claims (3)
1. The utility model provides a cubic press working cylinder stroke high accuracy control system, includes cubic press (1) and working cylinder, its characterized in that: a displacement sensor mounting and fixing box (2) is fixedly arranged on an external fixing metal surface of the cubic press (1), a stay wire displacement sensor (6) is arranged in the displacement sensor mounting and fixing box (2), the other end of a stay wire of the stay wire displacement sensor (6) is fixed on a sensor stay wire fixing support (4), the sensor stay wire fixing support (4) is connected with a working cylinder, a stay wire (3) of the stay wire displacement sensor (6) is horizontally consistent with the advancing direction of the working cylinder, and the stay wire displacement sensor (6) is connected with a control system; the sensor stay wire fixing support (4) comprises a movable cylinder extension rod (8), a movable cylinder advancing direction extension rod (9) and a displacement sensor stay wire fixing groove (10), wherein the movable cylinder extension rod (8) is vertically arranged, one end of the movable cylinder extension rod (8) is vertically arranged on the working cylinder, the other end of the movable cylinder extension rod is fixed with the movable cylinder advancing direction extension rod (9) through a support rod locking nut (12), and the advancing direction of the movable cylinder extension rod (9) is consistent with the advancing direction of the movable cylinder; the stay wire fixing groove (10) of the stay wire displacement sensor is vertically installed on the extending rod (9) in the advancing direction of the movable cylinder through a support rod locking nut (12), the displacement stay wire locking nut (11) is arranged in the stay wire fixing groove (10) of the displacement sensor, and the stay wire (3) of the stay wire displacement sensor (6) is fixed in the displacement stay wire locking nut (11).
2. The high-precision control system for the stroke of the working oil cylinder of the cubic press according to claim 1, is characterized in that: a displacement sensor mounting bracket (7) is arranged in the displacement sensor mounting and fixing box (2), the stay wire displacement sensor (6) is mounted on the displacement sensor mounting bracket (7), and the stay wire (3) of the stay wire displacement sensor (6) penetrates out of the displacement sensor mounting and fixing box (2).
3. The high-precision control system for the stroke of the working oil cylinder of the cubic press according to claim 1, is characterized in that: the length of the stay wire (3) of the stay wire displacement sensor (6) is larger than the stroke of the working cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122249350.XU CN216206137U (en) | 2021-09-16 | 2021-09-16 | High-precision control system for stroke of working oil cylinder of cubic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122249350.XU CN216206137U (en) | 2021-09-16 | 2021-09-16 | High-precision control system for stroke of working oil cylinder of cubic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216206137U true CN216206137U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122249350.XU Active CN216206137U (en) | 2021-09-16 | 2021-09-16 | High-precision control system for stroke of working oil cylinder of cubic press |
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| Country | Link |
|---|---|
| CN (1) | CN216206137U (en) |
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2021
- 2021-09-16 CN CN202122249350.XU patent/CN216206137U/en active Active
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