CN219632773U - Wire electrode dynamic adjusting device - Google Patents
Wire electrode dynamic adjusting device Download PDFInfo
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- CN219632773U CN219632773U CN202320781746.5U CN202320781746U CN219632773U CN 219632773 U CN219632773 U CN 219632773U CN 202320781746 U CN202320781746 U CN 202320781746U CN 219632773 U CN219632773 U CN 219632773U
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Abstract
The utility model discloses a dynamic regulating device for a wire electrode, which comprises a wire storage mechanism, a wire winding mechanism and a wire winding mechanism, wherein the wire storage mechanism is used for winding and unwinding the wire electrode; a pinching mechanism for pinching the wire electrode forward or backward; the wire storage quantity dynamic adjusting mechanism is used for obtaining the difference between the winding and unwinding speed of the wire storage mechanism and the actual speed of the wire electrode clamped by the clamping and conveying mechanism, and adjusting the speed of the wire storage mechanism and/or the clamping and conveying mechanism so as to keep the wire electrode storage quantity on the wire storage quantity dynamic adjusting mechanism within a preset range; the wire storage quantity dynamic regulating mechanism is arranged on a wire electrode penetrating path between the wire storage mechanism and the clamping mechanism, and when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode clamped by the clamping mechanism, the wire electrode storage quantity on the wire storage quantity dynamic regulating mechanism is changed along with the change. When the wire storage mechanism and the clamping and conveying mechanism are required to operate in a differential mode in the automatic wire feeding operation, the wire storage quantity dynamic adjusting mechanism can provide wire electrode reserve quantity with enough length, so that actions can be realized.
Description
Technical Field
The utility model relates to the technical field of wire cutting equipment, in particular to a wire electrode dynamic adjusting device.
Background
Numerical control wire cutting machining is a branch of electric spark machining, and is to cut a workpiece by spark discharge through a wire electrode (molybdenum wire, copper wire and galvanized wire). In numerical control wire cutting processing, the relative movement of a workpiece and a wire electrode is controlled by digital information, and the numerical control wire cutting processing is commonly used for processing high-hardness materials, fine structures, complex shapes, high-precision dimension parts and high-surface-quality parts.
Numerical control wire cutting machines are generally classified into three types: a fast wire cutting machine, a medium wire cutting machine and a slow wire cutting machine; taking a fast wire-electrode cutting machine as an example, the wire electrode reciprocates at a high speed, and the wire-electrode feeding speed is 8-10 m/s. The working principle is as follows: the wire electrode passes through a pre-drilled small hole on a workpiece, the wire electrode is driven by a wire cylinder to reciprocate alternately through a guide wheel, the workpiece is arranged on a conductive workbench through an insulating plate, and the conductive workbench moves in two coordinate directions of a horizontal plane X, Y respectively according to a given control program to synthesize any plane curve track. The pulse power supply applies pulse voltage to the wire electrode and the workpiece, the wire electrode is connected with the negative electrode of the pulse power supply, and the workpiece is connected with the positive electrode of the pulse power supply. When an electric pulse is generated, spark discharge is generated between the wire electrode and the workpiece, the instantaneous elbow at the center temperature of the discharge channel can reach more than 10000 ℃, the workpiece metal is melted at high temperature, even a small amount of the workpiece metal is gasified, the working fluid part between the wire electrode and the workpiece is gasified at high temperature, and the gasified working fluid and metal vapor instantaneously and rapidly expand and have the characteristic of explosion. The thermal expansion and the local micro explosion throw out the melted and gasified metal material to realize the electric erosion cutting processing of the workpiece material.
In the wire cutting process, proper tension needs to be given to the wire electrode, and as the wire electrode is clamped by a wheel set usually, the wire electrode is clamped forwards or backwards, the speed controlled in the clamping process is inevitably error, or slipping occurs, so that the winding and unwinding speed of the wire electrode is different from the clamped speed, further, the tension of the wire electrode is changed, the wire storage amount of the wire electrode on a wire threading path is changed when the tension is changed, and the original balance state is broken.
Disclosure of Invention
The utility model mainly aims to provide a dynamic regulating device for a wire electrode, which can realize automatic regulation of the wire electrode, so that the tension and the wire storage quantity of the wire electrode are kept within a preset range, and the wire cutting effect is ensured.
To achieve the above object, the present utility model provides a wire electrode dynamic adjustment device, comprising:
the wire storage mechanism is used for winding and unwinding the wire electrode;
a pinching mechanism for pinching the wire electrode forward or backward;
the wire storage dynamic adjustment mechanism is used for acquiring the difference between the winding and unwinding speed of the wire storage mechanism and the actual speed of the wire electrode clamped by the clamping and conveying mechanism, and adjusting the speed of the wire storage mechanism and/or the clamping and conveying mechanism so as to keep the wire electrode storage on the wire storage dynamic adjustment mechanism within a preset range;
the wire storage quantity dynamic regulating mechanism is arranged on a wire electrode penetrating path between the wire storage mechanism and the clamping mechanism, and when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode clamped by the clamping mechanism, the wire electrode storage quantity on the wire storage quantity dynamic regulating mechanism is changed along with the change.
Further, the dynamic wire storage quantity adjusting mechanism comprises a first guide wheel, a second guide wheel and a tension driving mechanism, the wire electrode sequentially bypasses the first guide wheel and the second guide wheel, the tension driving mechanism can drive the first guide wheel and the second guide wheel to be far away from each other so that the wire electrode obtains preset initial tension, and when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode clamped by the clamping mechanism, the tension born by the wire electrode changes so that the distance between the first guide wheel and the second guide wheel changes.
Further, the yarn storage quantity dynamic adjusting mechanism comprises an induction device, and the induction device can acquire the distance change between the first guide wheel and the second guide wheel.
Further, the dynamic wire storage quantity adjusting mechanism comprises a mounting plate, the first guide wheel is hinged to one side of the mounting plate, the second guide wheel is movably arranged on the other side of the mounting plate through the tension driving mechanism, the sensing device comprises a first sensor and a second sensor, and when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode clamped by the clamping and conveying mechanism, the position of the second guide wheel is changed and triggers the first sensor or the second sensor;
triggering the first sensor when the winding and unwinding speed of the wire storage mechanism is greater than the speed of the wire electrode actually clamped by the clamping mechanism; and triggering the second sensor when the winding and unwinding speed of the wire storage mechanism is smaller than the speed of the wire electrode which is actually clamped by the clamping and conveying mechanism.
Preferably, the first sensor and the second sensor are both proximity switches.
Further, the tension driving mechanism comprises a connecting rod and a spring, the connecting rod is slidably arranged on the mounting plate, the second guide wheel is hinged to one end of the connecting rod, the spring is arranged between the mounting plate and the connecting rod, and the spring can drive the connecting rod to slide so that the second guide wheel is far away from the first guide wheel.
Further, the tension driving mechanism comprises a longitudinal rack, a transverse rack, a gear and a balancing weight, wherein the longitudinal rack is perpendicular to a horizontal plane and is arranged on the mounting plate in a sliding mode, the transverse rack is parallel to the horizontal plane and is arranged on the mounting plate in a sliding mode, the gear is hinged to the mounting plate, the balancing weight acts on the longitudinal rack to enable the longitudinal rack to slide downwards under the action of gravity, the longitudinal rack is connected with the transverse rack through the gear and drives the transverse rack to slide transversely, and the second guide wheel is hinged to one end of the transverse rack.
Further, the tension driving mechanism comprises an air cylinder, a cylinder barrel of the air cylinder is fixedly arranged on the mounting plate, and a piston rod of the air cylinder directly or indirectly acts on the longitudinal rack to change longitudinal stress of the longitudinal rack.
Further, the balancing weights comprise a first balancing weight and a second balancing weight, the first balancing weight is fixedly arranged on the longitudinal rack, and the second balancing weight is fixedly arranged at the tail end of a piston rod of the air cylinder;
when the piston rod of the air cylinder is contracted, the first balancing weight and the second balancing weight act on the longitudinal rack together so as to enable the longitudinal rack to slide downwards; when the piston rod of the cylinder extends, the first balancing weight independently acts on the longitudinal rack to enable the longitudinal rack to slide downwards.
Preferably, the wire electrode comprises molybdenum wire, copper wire, galvanized wire.
Compared with the prior art, the utility model has the following beneficial effects:
1. the difference between the winding and unwinding speed of the wire storage mechanism and the actual speed of the wire electrode clamped by the clamping mechanism is obtained through the wire storage quantity dynamic adjusting mechanism, and is fed back to the control system, and the speed of the wire storage mechanism and/or the clamping mechanism is adjusted so that the wire storage quantity of the wire electrode on a wire feeding path is kept within a preset range, and a certain wire electrode buffer quantity is conveniently provided when the wire storage mechanism and the clamping mechanism are required to perform differential operation in automatic wire feeding operation; for example, when the wire storage mechanism stops running and the clamping mechanism continues to clamp the wire electrode forwards, the wire storage quantity dynamic adjusting mechanism can provide the wire electrode reserve quantity with enough length, so that the action can be realized;
2. when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode clamped by the clamping and conveying mechanism, the tension of the wire electrode changes along with the change of the wire electrode, and the wire storage quantity dynamic regulating mechanism plays a role in monitoring and regulating the tension of the wire electrode, so that the tension is kept in a preset range.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram of a yarn storing mechanism according to embodiment 1 of the present utility model;
FIG. 3 is a schematic view of a clamping mechanism according to embodiment 1 of the present utility model;
FIG. 4 is a schematic overall structure of embodiment 2 of the present utility model;
reference numerals illustrate: 100-wire electrode; 200-a clamping mechanism; 1-a mounting plate; 2-a first guide wheel; 3-a second guide wheel; 4-a longitudinal rack; 5-a transverse rack; 6-gear; 7-cylinder; 8-a first inductor; 9-a second inductor; 10-a first balancing weight; 11-a second balancing weight; 13-a first motor; 14-a second motor; 15-a telescopic mechanism; 16-a yarn storage cylinder; 17-roller; 18-driving a motor; 19-driving a rotating shaft; 20-a drive gear; 21-driving a pinch wheel; 22-driven shaft; 23-a driven gear; 24-driven pinch wheels; 25-a translational drive mechanism; 26-connecting rods; 27-spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Example 1:
referring to fig. 1 to 3, the present utility model proposes a wire electrode dynamic adjustment device comprising:
the wire storage mechanism is used for winding and unwinding the wire electrode;
a pinching mechanism 200 for pinching the wire electrode 100 forward or backward;
a wire storage amount dynamic adjustment mechanism, configured to obtain a difference between a winding speed of the wire storage mechanism and an actual speed at which the wire electrode 100 is clamped by the clamping mechanism 200, and adjust a speed of the wire storage mechanism and/or the clamping mechanism 200 so as to keep a wire electrode 100 storage amount on the wire storage amount dynamic adjustment mechanism within a preset range;
the wire storage amount dynamic adjusting mechanism is arranged on a wire electrode 100 penetrating path between the wire storage mechanism and the clamping mechanism 200, and when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode 100 clamped by the clamping mechanism 200, the wire electrode 100 storage amount on the wire storage amount dynamic adjusting mechanism is changed along with the change.
The wire electrode in this embodiment may be a molybdenum wire, a copper wire, or a galvanized wire.
The wire storage quantity dynamic adjusting mechanism comprises a mounting plate 1, a first guide wheel 2, a second guide wheel 3, an induction device and a tension driving mechanism, wherein the tension driving mechanism comprises a longitudinal rack 4, a transverse rack 5, a gear 6, a balancing weight and a cylinder 7, the longitudinal rack 4 is perpendicular to the horizontal plane and is arranged on the mounting plate 1, a longitudinal chute corresponding to the longitudinal rack 4 is formed in the mounting plate 1, the longitudinal rack 4 can longitudinally slide on the longitudinal chute, the transverse rack 5 is parallel to the horizontal plane and is arranged on the mounting plate 1, a transverse chute corresponding to the transverse rack 5 is formed in the mounting plate 1, the transverse rack 5 can transversely slide on the transverse chute, the gear 6 is hinged to the mounting plate 1, the balancing weight acts on the longitudinal rack 4 to enable the longitudinal rack 4 to downwards slide under the gravity, the longitudinal rack 4 is connected with the transverse rack 5 through the gear 6 and drives the transverse rack 5 to transversely slide, the left side of the longitudinal rack 4 is meshed with the gear 6, the transverse rack 5 is meshed with the gear 6, the wire storage mechanism is further transversely wound on the wire storage mechanism to the second guide wheel 2, and then the wire storage mechanism is sequentially wound on the second guide wheel 2, and the wire storage mechanism is further transversely wound on the wire storage mechanism to the second guide wheel 2 when the wire storage quantity dynamic adjusting mechanism is hinged to the second guide wheel 2.
The sensing device can obtain the distance change between the first guide wheel 2 and the second guide wheel 3, so as to obtain the difference between the winding and unwinding speed of the wire storage mechanism and the actual speed of the wire electrode 100 clamped by the clamping mechanism 200, specifically, the sensing device comprises a first sensor 8 and a second sensor 9, when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode 100 clamped by the clamping mechanism 200, the stress of the second guide wheel 3 is changed, so as to drive the wire storage mechanism to displace and trigger the first sensor 8 or the second sensor 9; more specifically, when the winding and unwinding speed of the wire storage mechanism is greater than the speed of the wire electrode 100 actually clamped by the clamping mechanism 200, the acting force of the wire electrode 100 applied to the second guide wheel 3 is smaller than the acting force of the tension driving mechanism, the second guide wheel 3 moves leftwards and triggers the first sensor 8, and the wire electrode 100 reserve on the wire storage amount dynamic adjusting mechanism is reduced, at this time, the control system reduces the speed of the wire storage mechanism or increases the speed of the clamping mechanism 200, so that the wire electrode 100 reserve on the wire storage amount dynamic adjusting mechanism is kept within a preset range; when the winding and unwinding speed of the wire storage mechanism is smaller than the speed of the wire electrode 100 actually clamped by the clamping mechanism 200, the acting force of the wire electrode 100 applied to the second guide wheel 3 is larger than the acting force of the tension driving mechanism, the second guide wheel 3 moves rightwards and triggers the second sensor 9, and the wire electrode 100 reserve on the wire storage dynamic adjusting mechanism increases with the increase of the wire storage dynamic adjusting mechanism, at this time, the control system increases the speed of the wire storage mechanism or decreases the speed of the clamping mechanism 200, so that the wire electrode 100 reserve on the wire storage dynamic adjusting mechanism is kept within a preset range.
The balancing weights comprise a first balancing weight 10 and a second balancing weight 11, the first balancing weight 10 is fixedly arranged at the upper end of the longitudinal rack 4, the second balancing weight 11 is fixedly arranged at the tail end of a piston rod of the air cylinder 7, a cylinder barrel of the air cylinder 7 is fixedly arranged on the mounting plate 1, when the piston rod of the air cylinder 7 contracts, the second balancing weight 11 is naturally placed above the first balancing weight 10, and the first balancing weight 10 and the second balancing weight 11 are used together on the longitudinal rack 4 so as to enable the longitudinal rack to slide downwards; when the piston rod of the cylinder 7 is extended, the second weight 11 is separated from the first weight 10, and the first weight 10 alone acts on the longitudinal rack 4 to slide downward. When the first balancing weight 10 is independently applied to the longitudinal rack 4, a small tension is provided for the wire electrode 100, and the wire electrode is suitable for running in a machine adjusting state, and when the first balancing weight 10 and the second balancing weight 11 are applied to the longitudinal rack 4 together, a large tension is provided for the wire electrode 100, and the wire electrode is suitable for running in a wire cutting state.
The wire storage mechanism comprises a first motor 13 (the first motor 13 in the embodiment is a common motor with a machine tool), a second motor 14 (the second motor 14 in the embodiment is a stepping motor additionally arranged at the later stage) and a telescopic mechanism 15 fixedly arranged on the machine tool body, the output end of the first motor 13 is connected with a wire storage cylinder 16 for winding and unwinding a wire electrode 100, the output end of the second motor 14 is connected with a roller 17, the fixed end of the second motor 14 is arranged at the telescopic end of the telescopic mechanism 15, the telescopic mechanism 15 can extend to the roller 17 to be tangent with the outer wall of the wire storage cylinder 16, the second motor 14 can drive the roller 17 to rotate, the roller 17 can drive the wire storage cylinder 16 to rotate, the first motor 13 can rotate at a high speed in the wire cutting process, and the second motor 14 is matched with the telescopic mechanism 15 to drive the wire storage cylinder 16 to rotate at a slow speed in a numerical control mode during the machine adjustment, so that the adjustment is realized.
The pinch mechanism 200 comprises a wheel set mounting seat, a driving wheel set, a driven wheel set and a driving motor 18, wherein the driving wheel set comprises a driving rotating shaft 19, a driving gear 20 and a driving pinch wheel 21, the driving rotating shaft 19 is hinged on the wheel set mounting seat, the driving gear 20 and the driving pinch wheel 21 are coaxially arranged on the driving rotating shaft 19, the driven wheel set comprises a driven rotating shaft 22, a driven gear 23 and a driven pinch wheel 24, the driven gear 23 and the driven pinch wheel 24 are coaxially arranged on the driven rotating shaft 22, one end of the driving rotating shaft 19 is connected with an output shaft of the driving motor 18, the driven rotating shaft 22 is connected with a translation driving mechanism 25, the translation driving mechanism 25 may drive the driven wheel set to translate so as to enable the driving gear 20 to mesh with or separate from the driving gear 20, when the driving gear 20 meshes with the driven gear 23, the driving motor 18 drives the driving shaft 19 to rotate, and further drives the driving gear 20 to rotate, at this time, the driven gear 23 rotates reversely synchronously, and further drives the driving pinch wheel 21 and the driven pinch wheel 24 to rotate reversely synchronously, the wire electrode 100 is clamped between the driving pinch wheel 21 and the driven pinch wheel 24, and the wire electrode 100 is clamped forward or backward when the driving pinch wheel 21 rotates reversely synchronously with the driven pinch wheel 24.
The working principle of the embodiment is as follows:
first, the wire electrode 100 is unreeled from the wire storage cylinder 16, sequentially bypasses the first guide wheel 2 and the second guide wheel 3, passes through the clamping and conveying mechanism 200, and finally returns to the wire storage cylinder 16 for winding. In the actual operation process, since the clamping mechanism 200 adopts the synchronous reverse rotation of the driving clamping wheel 21 and the driven clamping wheel 24 to clamp the wire electrode 100 forwards or backwards, sliding or control precision errors are easy to occur, that is, the actual clamping speed of the wire electrode 100 is different from the rotating speed of the clamping wheel set (the driving clamping wheel and the driven clamping wheel), so that the difference exists between the winding and unwinding speed of the wire storage cylinder 16 and the actual clamping speed of the wire electrode 100 by the clamping mechanism 200, finally, tension change of the wire electrode 100 is caused, and when the tension change of the wire electrode 100 is changed, the stress balance state of the second guide wheel 3 is broken to generate displacement, and further, the storage amount of the wire electrode 100 on the wire storage amount dynamic adjusting mechanism is changed.
In order to keep the reserve of the wire electrode 100 on the wire storage dynamic adjustment mechanism within a preset range, in this embodiment, by setting the first sensor 8 and the second sensor 9 to monitor the position of the second guide wheel 3 directly or indirectly, an induction block may be set on the second guide wheel 3, the transverse rack 5 or the longitudinal rack 4, and the position of the second guide wheel 3 is monitored directly or indirectly through the cooperation of the induction block and the sensor, where the first sensor 8 and the second sensor 9 are respectively set at the front and rear positions on the displacement path of the induction block, when the winding and unwinding speed of the wire storage mechanism is greater than the speed of the wire electrode 100 actually clamped by the clamping mechanism 200, the acting force of the wire electrode 100 on the second guide wheel 3 is less than the acting force of the tension driving mechanism, the second guide wheel 3 moves leftwards and triggers the first sensor 8, and the wire electrode 100 on the wire storage dynamic adjustment mechanism is reduced, at this time, the control system reduces the speed of the wire storage mechanism or increases the speed of the clamping mechanism 200, drives the second guide wheel 3 to move rightwards, so that the wire storage 100 on the wire storage dynamic adjustment mechanism is kept within the preset range; when the winding and unwinding speed of the wire storage mechanism is smaller than the actual clamping speed of the wire electrode 100 by the clamping mechanism 200, the acting force of the wire electrode 100 received by the second guide wheel 3 is larger than the acting force of the tension driving mechanism, the second guide wheel 3 moves rightwards and triggers the second sensor 9, and the wire electrode 100 reserves on the wire storage dynamic adjusting mechanism are increased along with the increase of the wire storage dynamic adjusting mechanism, at the moment, the control system can increase the speed of the wire storage mechanism or reduce the speed of the clamping mechanism 200, drive the second guide wheel 3 to move leftwards, so that the wire electrode 100 reserves on the wire storage dynamic adjusting mechanism are kept in a preset range, and dynamic balance is realized in a real-time monitoring and feedback adjusting mode, so that the tension of the wire electrode 100 is kept in the preset range.
Example 2:
as shown in fig. 4, this embodiment is different from embodiment 1 in that: the tension driving mechanism comprises a connecting rod 26 and a spring 27, the connecting rod 26 is slidably arranged on the mounting plate 1, the second guide wheel 3 is hinged to one end of the connecting rod 26, the spring 27 is arranged between the mounting plate 1 and the connecting rod 26, and the spring 27 can drive the connecting rod 26 to slide so that the second guide wheel 3 is far away from the first guide wheel 2. Example 1 uses the gravitational potential energy of the weight to be converted into the tension of wire electrode 100, while this example converts the elastic potential energy of spring 27 into the tension of wire electrode 100.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A wire electrode dynamic adjustment device, characterized in that: comprising the following steps:
the wire storage mechanism is used for winding and unwinding the wire electrode;
a pinching mechanism for pinching the wire electrode forward or backward;
the wire storage dynamic adjustment mechanism is used for acquiring the difference between the winding and unwinding speed of the wire storage mechanism and the actual speed of the wire electrode clamped by the clamping and conveying mechanism, and adjusting the speed of the wire storage mechanism and/or the clamping and conveying mechanism so as to keep the wire electrode storage on the wire storage dynamic adjustment mechanism within a preset range;
the wire storage quantity dynamic regulating mechanism is arranged on a wire electrode penetrating path between the wire storage mechanism and the clamping mechanism, and when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode clamped by the clamping mechanism, the wire electrode storage quantity on the wire storage quantity dynamic regulating mechanism is changed along with the change.
2. A wire electrode dynamic adjustment device as defined in claim 1, wherein: the wire storage quantity dynamic adjusting mechanism comprises a first guide wheel, a second guide wheel and a tension driving mechanism, the wire electrode sequentially bypasses the first guide wheel and the second guide wheel, the tension driving mechanism can drive the first guide wheel and the second guide wheel to be far away from each other so that the wire electrode obtains preset initial tension, and when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode clamped by the clamping mechanism, the tension born by the wire electrode changes so that the distance between the first guide wheel and the second guide wheel changes.
3. A wire electrode dynamic adjustment device as claimed in claim 2, wherein: the yarn storage quantity dynamic adjusting mechanism comprises an induction device, and the induction device can acquire the distance change between the first guide wheel and the second guide wheel.
4. A wire electrode dynamic adjustment device as claimed in claim 3, wherein: the wire storage quantity dynamic adjusting mechanism comprises a mounting plate, the first guide wheel is hinged to one side of the mounting plate, the second guide wheel is movably arranged on the other side of the mounting plate through the tension driving mechanism, the sensing device comprises a first sensor and a second sensor, and when the winding and unwinding speed of the wire storage mechanism is different from the actual speed of the wire electrode clamped by the clamping mechanism, the position of the second guide wheel is changed and triggers the first sensor or the second sensor;
triggering the first sensor when the winding and unwinding speed of the wire storage mechanism is greater than the speed of the wire electrode actually clamped by the clamping mechanism; and triggering the second sensor when the winding and unwinding speed of the wire storage mechanism is smaller than the speed of the wire electrode which is actually clamped by the clamping and conveying mechanism.
5. A wire electrode dynamic adjustment device as set forth in claim 4, wherein: the first sensor and the second sensor are proximity switches.
6. A wire electrode dynamic adjustment device as set forth in claim 4, wherein: the tension driving mechanism comprises a connecting rod and a spring, the connecting rod is slidably arranged on the mounting plate, the second guide wheel is hinged to one end of the connecting rod, the spring is arranged between the mounting plate and the connecting rod, and the spring can drive the connecting rod to slide so that the second guide wheel is far away from the first guide wheel.
7. A wire electrode dynamic adjustment device as set forth in claim 4, wherein: the tension driving mechanism comprises a longitudinal rack, a transverse rack, a gear and a balancing weight, wherein the longitudinal rack is perpendicular to a horizontal plane and is arranged on the mounting plate in a sliding mode, the transverse rack is parallel to the horizontal plane and is arranged on the mounting plate in a sliding mode, the gear is hinged to the mounting plate, the balancing weight acts on the longitudinal rack to enable the longitudinal rack to slide downwards under the action of gravity, the longitudinal rack is connected with the transverse rack through the gear and drives the transverse rack to slide transversely, and the second guide wheel is hinged to one end of the transverse rack.
8. A wire electrode dynamic adjustment device as defined in claim 7, wherein: the tension driving mechanism comprises an air cylinder, a cylinder barrel of the air cylinder is fixedly arranged on the mounting plate, and a piston rod of the air cylinder directly or indirectly acts on the longitudinal rack to change longitudinal stress of the longitudinal rack.
9. A wire electrode dynamic adjustment device as defined in claim 8, wherein: the balancing weights comprise a first balancing weight and a second balancing weight, the first balancing weight is fixedly arranged on the longitudinal rack, and the second balancing weight is fixedly arranged at the tail end of a piston rod of the air cylinder;
when the piston rod of the air cylinder is contracted, the first balancing weight and the second balancing weight act on the longitudinal rack together so as to enable the longitudinal rack to slide downwards; when the piston rod of the cylinder extends, the first balancing weight independently acts on the longitudinal rack to enable the longitudinal rack to slide downwards.
10. A wire electrode dynamic adjustment device according to any one of claims 1-9, characterized in that: the wire electrode comprises molybdenum wires, copper wires and galvanized wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320781746.5U CN219632773U (en) | 2023-04-11 | 2023-04-11 | Wire electrode dynamic adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320781746.5U CN219632773U (en) | 2023-04-11 | 2023-04-11 | Wire electrode dynamic adjusting device |
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| CN219632773U true CN219632773U (en) | 2023-09-05 |
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| CN202320781746.5U Active CN219632773U (en) | 2023-04-11 | 2023-04-11 | Wire electrode dynamic adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118287775A (en) * | 2024-04-29 | 2024-07-05 | 广州市华晨自动化科技有限公司 | Automatic lower wire feeding mechanism and wire cutting equipment of location correction |
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2023
- 2023-04-11 CN CN202320781746.5U patent/CN219632773U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118287775A (en) * | 2024-04-29 | 2024-07-05 | 广州市华晨自动化科技有限公司 | Automatic lower wire feeding mechanism and wire cutting equipment of location correction |
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