Stress output control device

Abstract

The present application provides a stress output control device, which relates to the field of glass cutting technology. The device includes: an electromagnetic component, a base frame, a transmission component, a stress sensing component and an elastic component; the electromagnetic component is installed on the base frame, and is used to convert the input current into a force, and drive the transmission component to move based on the force; the transmission component is movably connected to the base frame, and is fixedly connected to the stress sensing component, and is used to drive the stress sensing component to move; the two ends of the elastic component are respectively fixedly connected to the base frame and the transmission component, and are used to offset the initial driving force received by the stress sensing component. This device is newly added with a hysteresis transmission component composed of a transmission component and an elastic component. The force received by the transmission component and the reaction force of the elastic component can offset the starting hysteresis force output by the electromagnetic component, thereby solving the influence of the starting hysteresis force of the electromagnetic component on the stress sensing component, realizing the controllable output of small stress, and solving the cutting requirements of thin glass.

Description

Technical Field

[0001] The invention relates to the technical field of glass cutting, and in particular to a stress output control device. Background Art

[0002] In the field of glass cutting, it is necessary to apply precisely controlled force to the cutting wheel to effectively cut the glass. One method is to control the output force of the cylinder through a proportional valve, and then control the pressure of the cutting wheel. However, due to the compressibility of the gas, the stress control accuracy of this method is unstable. Another method is to directly control the workpiece through a proportional electromagnet and control the output of stress by adjusting the input current. However, due to the electromagnetic hysteresis force of the electromagnet itself, there is a starting current under the influence of the electromagnetic hysteresis force, and the influence of the starting current makes it impossible to achieve precise control within a small range. Summary of the invention

[0003] A technical problem to be solved by the present invention is that the existing proportional electromagnet control device is still unable to achieve the problem of accurate control of stress output within a small range.

[0004] In order to solve the above technical problems, an embodiment of the present invention provides a stress output control device, through which micro-precision control of stress can be achieved. The device includes: an electromagnetic component, a base frame, a transmission component, a stress sensing component and an elastic component; the electromagnetic component is installed on the base frame, and is used to convert the input current into a force, and drive the transmission component to move based on the force;

[0005] The transmission assembly is movably connected to the base frame and fixedly connected to the stress sensing assembly; the two ends of the elastic assembly are respectively fixedly connected to the base frame and the transmission assembly;

[0006] The elastic reaction force of the elastic component is greater than the starting hysteresis force of the electromagnetic component. The transmission component and the elastic component form a hysteresis-eliminating transmission component, which is used to offset the initial driving force received by the stress sensing component and drive the stress sensing component to move.

[0007] In some embodiments, the base frame includes a support plate and a support frame, the support plate is fixedly connected to the support frame; the electromagnetic component is installed on the support plate, and one end of the transmission component is movably connected to the support frame.

[0008] In some embodiments, a through hole is provided in the support plate, and the force output end of the electromagnetic component acts on the transmission component through the through hole.

[0009] In some embodiments, an axial hole is provided at one end of the transmission component, and a rotating shaft is provided on the support frame; the transmission component is movably connected to the support frame based on the axial hole and the rotating shaft.

[0010] In some embodiments, a cutting blade holder assembly is mounted on the end of the stress sensing assembly.

[0011] In some embodiments, the distance from the cutting tool holder assembly to the movable connection is set to L1, and the distance from the position of the force application point on the transmission assembly to the movable connection is set to L2; L1>L2.

[0012] In some embodiments, the stress sensing assembly includes a plurality of auxiliary pressure members, and the auxiliary pressure members are distributed at different positions of the cutting tool holder assembly.

[0013] In some embodiments, the device further includes: a current output controller; the current output controller is connected to the electromagnetic component and is used to input current to the electromagnetic component.

[0014] In some embodiments, the output current accuracy of the current output controller is 0.01-0.001A.

[0015] In some embodiments, the apparatus further comprises: a monitoring component;

[0016] The monitoring component is connected to the current output controller by wire and / or wirelessly, and is used to monitor the resistance change of the stress sensing component after being stressed in real time, and transmit the monitored resistance change to the current output controller;

[0017] The current output controller is also used to regulate the current input to the electromagnetic component according to the received resistance change.

[0018] The present invention provides a stress output control device. The device is newly equipped with a hysteresis transmission member composed of a transmission component and an elastic component. The force exerted on the transmission component and the reaction force of the elastic component can offset the starting hysteresis force output by the electromagnetic component, avoiding the influence of the starting hysteresis force of the electromagnet, thereby solving the influence of the starting hysteresis force of the electromagnetic component on the stress sensing component, realizing the controllable output of micro stress, and solving the cutting demand of thin glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A left side structural schematic diagram of a stress output control device disclosed in an embodiment of the present invention is shown;

[0021] Figure 2 A right side structural schematic diagram of a stress output control device disclosed in an embodiment of the present invention is shown;

[0022] Figure 3A schematic diagram of the forces acting on a stress output control device disclosed in an embodiment of the present invention during operation is shown;

[0023] Figure 4 A characteristic diagram of the output force of an electromagnetic component in a stress output control device disclosed in an embodiment of the present invention is shown;

[0024] Figure 5 A characteristic diagram of the output force of an elastic component in a stress output control device disclosed in an embodiment of the present invention is shown;

[0025] Figure 6 A characteristic diagram of the output force f of a stress sensing component when a stress output control device disclosed in an embodiment of the present invention is working is shown.

[0026] Description of reference numerals:

[0027] 1. Electromagnetic assembly; 2. Support plate; 3. Support frame; 4. Transmission assembly; 5. Rotating shaft; 6. Elastic assembly; 7. Stress sensing assembly; 8. Auxiliary pressure piece; 9. Cutting knife seat assembly. DETAILED DESCRIPTION

[0028] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The detailed description of the following embodiments and the accompanying drawings are used to exemplarily illustrate the principles of the present invention, but cannot be used to limit the scope of the present invention. The present invention can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0029] The present invention provides these embodiments to make the present invention thorough and complete, and fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of materials, numerical expressions and numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary, rather than as limiting.

[0030] It should be noted that, in the description of the present invention, unless otherwise specified, the meaning of "multiple" is greater than or equal to two; the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0031] In addition, the words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" is not strictly perpendicular, but is within the tolerance range. "Parallel" is not strictly parallel, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.

[0032] It should also be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0033] All terms used in the present invention have the same meanings as those understood by ordinary technicians in the field to which the present invention belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as general dictionaries, should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0034] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0035] Figure 1 A left side structural schematic diagram of a stress output control device disclosed in an embodiment of the present invention is shown; Figure 2 A right side structural schematic diagram of a stress output control device disclosed in an embodiment of the present invention is shown; Figure 3 A schematic diagram of the forces acting on a stress output control device disclosed in an embodiment of the present invention during operation is shown; Figure 4 A characteristic diagram of the output force of an electromagnetic component in a stress output control device disclosed in an embodiment of the present invention is shown; Figure 5 A characteristic diagram of the output force of an elastic component in a stress output control device disclosed in an embodiment of the present invention is shown; Figure 6 The characteristic diagram of the output force f of the stress sensing component when the stress output control device disclosed in the embodiment of the present invention is working is shown. Figure 1-6 The device provided by the present invention is described in detail.

[0036] The embodiment of the present invention provides a stress output control device, through which micro-precision control of stress can be achieved. Figure 1 and 2 As shown, the device includes: an electromagnetic component 1, a base frame, a transmission component 4, a stress sensing component 7 and an elastic component 6; the electromagnetic component 1 is installed on the base frame, and is used to convert the input current into a force, and drive the transmission component 4 to move based on the force;

[0037] The transmission component 4 is movably connected to the base frame and fixedly connected to the stress sensing component 7; the two ends of the elastic component 6 are fixedly connected to the base frame and the transmission component 4 respectively;

[0038] Among them, the elastic reaction force of the elastic component 6 is greater than the starting hysteresis force of the electromagnetic component 1, so the transmission component 4 and the elastic component 6 form a hysteresis-eliminating transmission component, which can be used to offset the initial driving force exerted on the stress sensing component 7 and drive the stress sensing component to move.

[0039] Among them, the elastic component 6 is used to offset the deadweight of the transmission component 4 and the stress sensing component 7 and the starting stress of the electromagnetic component 1. Therefore, the structure composed of the transmission component 4, the stress sensing component 7 and the elastic component 6 can avoid the influence of the starting hysteresis force of the electromagnet and achieve a controllable output of small stress.

[0040] The stress output control device provided by the present invention adds a hysteresis-eliminating transmission component composed of a transmission component 4 and an elastic component 6. The action force exerted on the transmission component 4 and the reaction force of the elastic component 6 can offset the starting hysteresis force output by the electromagnetic component, thereby solving the influence of the starting hysteresis force of the electromagnetic component 1 on the stress sensing component 7 and realizing the controllable output of tiny stress.

[0041] In some embodiments, Figure 1 and 2 As shown, the base frame includes a support plate 2 and a support frame 3. The support plate 2 is fixedly connected to the support frame 3; the electromagnetic component 1 is installed on the support plate 2, and one end of the transmission component 4 is movably connected to the support frame 3.

[0042] In this embodiment, the support plate 2 and the support frame 3 can hold up the electromagnetic assembly 1 so that it does not contact the transmission assembly 4 when not working.

[0043] In some embodiments, Figure 1 and 2 As shown, a through hole is provided in the support plate 2 , and the force output end of the electromagnetic component 1 acts on the transmission component 4 through the through hole.

[0044] In this embodiment, the force output by the electromagnetic component 1 when it is started acts on the transmission component 4 through the output end. The output end can be configured as a cylinder, a polygonal column or a cone, which passes through the through hole on the support plate 2 and acts on the transmission component 4 to drive the transmission component 4 to move.

[0045] In some embodiments, Figure 1 and 2 As shown, one end of the transmission assembly 4 is provided with an axial hole, and the support frame 3 is provided with a rotating shaft 5. The transmission assembly 4 is movably connected with the support frame 3 based on the axial hole and the rotating shaft 5.

[0046] In this embodiment, the transmission component 4 is movably connected to the support frame 3 based on the shaft hole and the rotating shaft 5, and after receiving the force applied by the electromagnetic component 1, it can make a slight clockwise rotation around the rotating shaft 5. The movement range is about 1° to 5°.

[0047] In some embodiments, Figure 1 and 2 As shown, a cutting tool holder assembly 9 is installed at the end of the stress sensing assembly 7.

[0048] In this embodiment, the stress sensing component 7 cuts the glass through the cutting tool holder component 9 installed at the end thereof.

[0049] In some embodiments, Figure 1-2 As shown, the distance from the cutting tool seat assembly 9 to the movable connection is set to L1, and the distance from the position of the force application point on the transmission assembly 4 to the movable connection is set to L2; L1>L2.

[0050] In this embodiment, the distance from the force application point of the electromagnetic component 1 on the transmission component 4 to the rotating axis 5 is smaller than the distance from the cutting tool seat component 9 to the rotating axis 5, which increases the output accuracy of the working point stress of the cutting tool seat component 9 and improves the controllability of the stress.

[0051] This embodiment combines the lever principle with the elastic component 6 to avoid the influence of the starting hysteresis force of the electromagnetic component 1, thereby achieving precise control of the stress of the electromagnetic component 1 within a small range.

[0052] In some embodiments, Figure 1 and 2 As shown, the stress sensing assembly 7 includes a plurality of auxiliary pressure members 8 , and the auxiliary pressure members 8 are distributed at different positions of the cutting tool holder assembly 9 .

[0053] In this embodiment, there are three auxiliary pressure members 8 at three positions of the cutting tool holder assembly 9. These three auxiliary pressure members 8 can effectively avoid poor cutting caused by the unevenness of the glass.

[0054] In some embodiments, the device further includes: a current output controller; the current output controller is connected to the electromagnetic component 1 and is used to input current to the electromagnetic component 1.

[0055] In some embodiments, the output current accuracy of the current output controller is 0.001A.

[0056] In this embodiment, a current output controller with high-precision current output is combined with the above-mentioned device. The accuracy of the input current is controlled by the current output controller, so that the output force of the electromagnet can be precisely controlled. Combined with the hysteresis transmission provided by this device, the stress output of the cutting wheel within a small range can be precisely adjusted, with an accuracy of up to a hundredth, which perfectly solves the cutting needs of thin glass.

[0057] In some embodiments, the device further includes: a monitoring component. The monitoring component is connected to the current output controller by wire and / or wirelessly, and is used to monitor the resistance change of the stress sensing component 7 after being stressed in real time, and transmit the monitored resistance change to the current output controller;

[0058] Correspondingly, the current output controller is also used to regulate the current input to the electromagnetic component 1 according to the received resistance change.

[0059] In this embodiment, the stress sensing component 7 is a sensor part, and a stress sensing sheet can be installed inside. When it is implemented, the greater the force on the cutting blade seat component 9, the greater the slight deformation of the stress sensing component 7, and this slight deformation will be converted into a change in the resistance of the stress sensing sheet. Therefore, the monitoring component can monitor the resistance change of the stress sensing sheet in real time to understand the stress of the cutting blade seat component 9; then, when the monitoring component sends the resistance change to the current output controller, the current output controller can flexibly adjust the current input to the electromagnetic component 1 according to the resistance change as needed.

[0060] In this embodiment, since the stress sensing component 7 can provide real-time feedback on the stress of the cutting blade seat component 9 during operation, the input current of the electromagnetic component 1 can be fine-tuned through the current output controller to ensure that the cutting blade seat component 9 operates normally within a controllable stress range.

[0061] In order to enable those skilled in the art to better understand the device provided by the present invention, the device is explained in detail below in combination with the working process and working principle.

[0062] Working process: Figure 1 and 2As shown, when the electromagnetic component 1 inputs current, its output end directly acts on the transmission component 4, and the transmission component 4 drives the stress sensing component 7 to rotate, and the cutting knife seat component 9 at the head of the stress sensing component 7 presses down on the glass, and performs the cutting action under the drive of the external mechanism. Since there are three auxiliary pressure pieces 8 at three positions of the cutting knife seat component 9, the poor cutting caused by the unevenness of the glass can be effectively avoided. At the same time, due to the reaction of the elastic component 6 (a tension spring is used in this embodiment), the influence of the tiny stress control caused by the start-up hysteresis of the electromagnetic component 1 can be avoided. Since the stress sensing component 7 feeds back the stress of the cutting knife seat component 9 in real time during operation, the input current of the electromagnetic component 1 can be fine-tuned through the current output controller to ensure that the cutting knife seat component 9 works normally within a controllable stress range.

[0063] Working principle: The transmission component 4 and the stress sensing component 7 are simplified into a simply supported beam, such as Figure 3 As shown, it is subjected to the downward pressure F1 of the electromagnetic component 1 and the reverse pulling force F2 of the elastic component 6, and the output force f at the right end needs to be precisely controlled.

[0064] Depend on Figure 4 As shown in the characteristic diagram of the electromagnetic component output force, when the electromagnetic component 1 is started, there is a hysteresis force, and the current must reach a certain value before it can be output, and the force is large at the moment of output. Therefore, the electromagnetic component 1 cannot achieve the purpose of precise and adjustable stress. When a reverse elastic component 6 is installed on the transmission component 4, the elastic component 6 will give the transmission component 4 an initial pulling force F2 (the characteristic diagram of the pulling force F2 is shown in FIG. Figure 5 As shown), the pulling force F2 is slightly larger than the starting force F1 of the electromagnetic component 1, which can offset the starting hysteresis force of F1, and can make the output force f at the output end reach as follows Figure 6 As shown in the characteristic diagram, the output force f can start from 0 and achieve linear output under precise control of the current.

[0065] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0066] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict.

Claims

1. A stress output control device, characterized in that: The device comprises: an electromagnetic component (1), a base frame, a transmission component (4), a stress sensing component (7) and an elastic component (6); wherein the electromagnetic component (1) is mounted on the base frame and is used to convert input current into an action force, and to drive the transmission component (4) to move based on the action force; The transmission component (4) is movably connected to the base frame and fixedly connected to the stress sensing component (7); the two ends of the elastic component (6) are respectively fixedly connected to the base frame and the transmission component (4); The elastic reaction force of the elastic component (6) is greater than the starting hysteresis force of the electromagnetic component (1), and the transmission component (4) and the elastic component (6) form a hysteresis-eliminating transmission component for offsetting the initial driving force received by the stress sensing component (7) and driving the stress sensing component (7) to move; The base frame comprises a support plate (2) and a support frame (3), wherein the support plate (2) is fixedly connected to the support frame (3); the electromagnetic component (1) is mounted on the support plate (2), and one end of the transmission component (4) is movably connected to the support frame (3); An axial hole is provided at one end of the transmission component (4), and a rotating shaft (5) is provided on the support frame (3); the transmission component (4) is movably connected to the support frame (3) based on the axial hole and the rotating shaft (5); A cutting blade seat assembly (9) is installed at the end of the stress sensing assembly (7); The distance from the cutting blade seat assembly (9) to the movable connection is set to L1, and the distance from the position of the force application point on the transmission assembly (4) to the movable connection is set to L2; L1>L2.

2. The device according to claim 1, characterized in that The support plate (2) is provided with a through hole, and the force output end of the electromagnetic component (1) passes through the through hole to act on the transmission component (4).

3. The device according to claim 1, characterized in that The stress sensing component (7) comprises a plurality of auxiliary pressure parts (8), and the auxiliary pressure parts (8) are distributed at different positions of the cutting tool seat component (9).

4. The device according to any one of claims 1 to 3, characterized in that: The device further comprises: a current output controller; the current output controller is connected to the electromagnetic component (1) and is used to input current into the electromagnetic component (1).

5. The device according to claim 4, characterized in that The output current accuracy of the current output controller is 0.01-0.001A.

6. The device according to claim 4, characterized in that The device also includes: a monitoring component; The monitoring component is connected to the current output controller by wire and / or wirelessly, and is used to monitor in real time the resistance change of the stress sensing component (7) after being stressed, and transmit the monitored resistance change to the current output controller; The current output controller is also used to regulate the current input to the electromagnetic component (1) according to the received resistance change.

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