Electrode wire anti-falling device
By designing an electrode wire anti-drop device, the electrode wire is clamped using a wire guiding mechanism and a tensioning mechanism, and combined with a wire slippage detection component, the problem of electrode wire slippage and vibration during automatic clamping is solved, thus achieving stable transportation and real-time monitoring of the electrode wire.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-22
- Publication Date
- 2026-03-24
AI Technical Summary
In the prior art, the electrode wire is prone to loosening during the automatic clamping process, which leads to an imbalance of friction, slippage and vibration, and it is impossible to detect whether the electrode wire has slipped in real time.
An electrode wire anti-detachment device was designed, including a wire guiding mechanism, a wire head tensioning mechanism, and an anti-detachment mechanism. The electrode wire is clamped by a wire clamping structure, and combined with a wire slippage detection component and a wire pressing component, the electrode wire slippage is monitored in real time and the tension is adjusted to prevent detachment.
This effectively prevents the electrode wire from slipping and falling off during the wire feeding process, ensuring that the electrode wire remains taut and improving the stability and processing accuracy of the electrode wire.
Smart Images

Figure CN121360854B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of wire cutting technology, and more specifically to an electrode wire anti-detachment device. Background Technology
[0002] Wire EDM is a machining method that uses pulsed spark discharge between an electrode wire and a workpiece to generate localized high temperature to erode the workpiece. By applying high frequencies of opposite polarities to the electrode wire and the workpiece respectively, a high-intensity electric field is formed between the electrode wire and the workpiece. When the electrode wire approaches the workpiece, the gap is broken down instantaneously, thereby forming an electric spark to erode the workpiece.
[0003] For example, Chinese patent CN120920836B discloses an electric spark wire feeding device and method for convenient automatic wire feeding. The device uses a winding and unwinding assembly and an adjustable linkage assembly to simultaneously drive the wire storage drum to move while winding and unwinding. The wire feeding assembly moves forward and contacts the elastic pressing assembly to trigger unlocking, so that the pressing structure opens, making it easy to realize the automatic insertion or extraction of the cutting wire.
[0004] However, during the current automatic clamping process, the electrode wire ends are in a relaxed state. After the electrode wire is clamped, the electrode wire outside the crimping structure is tightened, which pulls the electrode wire inside the crimping structure to gradually straighten it from the edge of the crimping until the friction between the straightened area of the electrode wire inside the crimping structure and the crimping structure is sufficient to balance the external tension.
[0005] During operation, if the tension of the external electrode wire of the crimping structure increases further, the internal electrode wire of the crimping structure will continue to taut, causing the electrode wire to vibrate. After the internal electrode wire of the crimping structure is completely taut, if the external tension is still greater than the friction between the crimping structure and the electrode wire, the electrode wire will fall off.
[0006] Since the static friction between two objects is greater than the dynamic friction, if the external tension increases to a level greater than that when the electrode wire is fully taut, the dynamic friction between the pressing structure and the electrode wire will be less than the static friction, and the electrode wire will still slip off. This makes it difficult to fully utilize the pressing force of the pressing structure on the electrode wire, making the electrode wire prone to slipping off.
[0007] Meanwhile, during the electrode wire loading process, the comparison file can only detect whether the electrode wire is in place, but cannot detect whether the electrode wire slips during subsequent use.
[0008] Based on this, the present invention designs an electrode wire anti-detachment device to solve the above problems. Summary of the Invention
[0009] In view of the above-mentioned shortcomings of the existing technology, the present invention provides an electrode wire anti-detachment device.
[0010] To achieve the above objectives, the present invention provides the following technical solution:
[0011] An electrode wire anti-detachment device includes a wire cutting machine base, a wire feeding mechanism and a wire spool clamping mechanism, and also includes a wire guiding mechanism, a wire head tensioning mechanism and an anti-detachment mechanism.
[0012] The wire cutting machine is equipped with a wire guiding mechanism, a wire head tensioning mechanism, and a tension adjustment structure for adjusting the tension of the electrode wire; the moving end of the wire feeding mechanism is equipped with a translation seat, on which a wire storage drum is rotatably mounted; a wire drum clamping mechanism for clamping the end of the electrode wire is installed inside the translation seat; an anti-detachment mechanism is installed on the output end of the wire drum clamping mechanism and on the translation seat.
[0013] The wire tensioning mechanism includes a linear cylinder module, a first wire clamping structure, a second wire clamping structure, and a third wire clamping structure. The linear cylinder module is fixedly installed on the wire cutting machine platform. A mounting frame is fixedly installed on the moving end of the linear cylinder module. The first wire clamping structure and the second wire clamping structure are installed on the mounting frame. The second wire clamping structure is installed on the moving end of the second wire clamping structure.
[0014] Furthermore, the anti-slipping mechanism includes a slippage detection component and a wire pressing component. The output end of the wire spool clamping mechanism is equipped with a slippage detection component for detecting whether the electrode wire has slipped off, and the translation seat is equipped with a wire pressing component for cooperating with the wire storage spool to press the electrode wire.
[0015] Furthermore, the wire guide mechanism includes a fixed wire guide assembly and a yielding wire guide assembly, which are mounted on the wire cutting machine platform, with the yielding wire guide assembly located between the fixed wire guide assembly and the translation seat.
[0016] Furthermore, the wire clamping mechanism includes a wire clamping cylinder and a wire clamping plate. The wire clamping cylinder is fixedly installed inside the wire storage cylinder, and the output end of the wire clamping cylinder passes through the wire storage cylinder and is fixedly connected to the wire clamping plate. The wire clamping plate is set to an arc shape that matches the curvature of the wire storage cylinder, and the wire clamping plate and the wire storage cylinder cooperate to clamp the electrode wire.
[0017] Furthermore, the fixed wire guide assembly includes a fixed wire guide frame, a wire guide cylinder, a support base, and a guide wheel. The fixed wire guide frame is fixedly installed on the wire cutting machine platform, and the wire guide cylinder is fixedly installed on the fixed wire guide frame. A support base is fixedly installed at one end of the fixed wire guide frame near the wire storage cylinder, and a guide wheel is rotatably installed on the support base. The guide wheel is located on the upper side of the fixed wire guide frame. A wire guide groove is formed on the fixed wire guide frame. After the electrode wire passes through the wire guide cylinder, it passes between the wire guide groove and the guide wheel on the fixed wire guide frame.
[0018] Furthermore, the wire guide assembly includes a wire guide cylinder, a guide rod, a moving plate, and a moving wire guide frame. The wire guide cylinder is fixedly installed on the wire cutting machine platform, and the moving plate is fixedly installed at the output end of the wire guide cylinder. Guide rods are symmetrically fixedly installed on the moving plate, and the guide rods are slidably connected to the wire cutting machine platform. A wire guide groove is provided on the moving wire guide frame. The moving wire guide frame and the support base form a wire guide groove for accommodating the second wire clamping structure.
[0019] Furthermore, the wire clamping structure includes a pneumatic gripper and a conformal clamping plate. The pneumatic gripper is fixedly mounted on the mounting frame, and the output end of the pneumatic gripper is fixedly mounted with a conformal clamping plate for clamping the electrode wire.
[0020] Furthermore, the wire tensioning assembly includes a guide rail, a movable seat, a slide rod, a spring, and a power storage structure. The guide rail is fixedly mounted on the mounting frame, and the movable seat is slidably mounted on the upper limit of the guide rail. The second wire clamping structure is mounted on the movable seat. The movable seat is fixedly connected to one end of the slide rod, and the other end of the slide rod is slidably connected to the mounting frame. A spring is sleeved on the slide rod, one end of the spring is fixedly connected to the movable seat, and the other end of the spring is fixedly connected to the mounting frame. A power storage structure is mounted on the movable seat and the mounting frame.
[0021] Furthermore, the energy storage structure includes a magnetic block and an electromagnet, with the magnetic block fixedly mounted on the movable base and the electromagnet fixedly mounted on the mounting bracket.
[0022] Furthermore, the wire slip detection assembly includes a first conductive block and a second conductive block. The first conductive block is fixedly installed at one end of the wire clamping plate, and the second conductive block is fixedly installed at the other end of the wire clamping plate. The wire clamping plate is made of insulating material. The first conductive block and the second conductive block are electrically connected, and a conductive slip ring is fixedly installed on the translation seat. The first conductive block and the second conductive block are electrically connected to the external circuit continuity detection device through the conductive slip ring.
[0023] Compared with the prior art, the advantages of this invention are as follows: 1. The end of the electrode wire is clamped by the first clamping structure, and the part of the electrode wire located between the fixed wire guide assembly and the yielding wire guide assembly is clamped by the second clamping structure; the linear cylinder module drives the first clamping structure, the wire head tensioning assembly, and the second clamping structure to move towards the wire storage drum through the mounting bracket, so that the electrode wire passes through the underside of the wire storage drum, the wire head tensioning assembly is activated, and the electrode wire between the first clamping structure and the second clamping structure is taut, and then the wire drum clamping mechanism is activated to clamp the electrode wire; subsequently, external tension is applied. The adjustment structure ensures that the tension of the electrode wire matches the tension between the wire head tensioning assembly and the second wire clamping structure. This ensures that when the wire spool clamping mechanism clamps the end of the electrode wire, the clamped portion of the electrode wire is taut. Consequently, during wire feeding, changes in the external electrode wire tension will not cause the electrode wire held by the wire spool clamping mechanism to slip, avoiding electrode wire vibration caused by end slippage. Furthermore, when the external electrode wire tension is greater than the maximum dynamic friction force between the wire spool clamping mechanism and the electrode wire but less than the maximum static friction force, the electrode wire will not detach from the wire spool clamping mechanism.
[0024] 2. If the end of the electrode wire slips into the wire clamping mechanism of the wire spool, the slippage detection component will quickly detect the slippage. At this time, the wire conveying mechanism can be stopped or the tension of the electrode wire can be adjusted by the tension adjustment mechanism to prevent the electrode wire from falling off further. At the same time, the wire pressing component can be activated to press the electrode wire tightly in conjunction with the wire storage spool to further prevent the electrode wire from falling off. Attached Figure Description
[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.
[0026] Figure 1 This is a perspective view of an electrode wire anti-detachment device according to the present invention;
[0027] Figure 2 This is a front view of an electrode wire anti-detachment device according to the present invention;
[0028] Figure 3 For along Figure 2 The solid after partial structural removal in the AA direction Figure 1 ;
[0029] Figure 4 For along Figure 2 The solid after partial structural removal in the AA direction Figure 2 ;
[0030] Figure 5 A schematic diagram of a wire EDM machine and its connection structure;
[0031] Figure 6 for Figure 4 Enlarged view of point B in the middle;
[0032] Figure 7 for Figure 5 Enlarged view of point C in the middle;
[0033] Figure 8 for Figure 4 Enlarged view of point D in the middle.
[0034] The labels in the diagram represent:
[0035] 1. Wire EDM machine base; 2. Wire feeding mechanism; 21. Translation seat; 22. Wire storage drum; 3. Wire drum clamping mechanism; 31. Wire clamping cylinder; 32. Wire clamping plate; 4. Wire guiding mechanism; 41. Fixed wire guiding assembly; 411. Fixed wire guiding frame; 412. Wire guide drum; 413. Support base; 414. Guide wheel; 42. Clearing wire guiding assembly; 421. Clearing cylinder; 422. Guide rod; 423. Moving plate; 424. Moving wire guiding frame; 425. Clearing groove; 5. Wire end tensioning mechanism; 51. Cylinder Linear module; 511, mounting bracket; 52, wire clamping structure one; 521, pneumatic gripper; 522, conformal clamping plate; 53, wire tensioning assembly; 531, guide rail; 532, movable seat; 533, slide bar; 534, spring; 535, magnetic block; 536, electromagnet; 54, wire clamping structure two; 6, anti-detachment mechanism; 61, wire slippage detection assembly; 611, conductive block one; 612, conductive block two; 62, wire pressing assembly; 621, fixing frame; 622, wire pressing cylinder; 623, wire pressing block. Detailed Implementation
[0036] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0037] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.
[0038] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-5An electrode wire anti-detachment device includes a wire cutting machine base 1, a wire feeding mechanism 2, and a wire spool clamping mechanism 3; it also includes a wire guiding mechanism 4, a wire head tensioning mechanism 5, and an anti-detachment mechanism 6.
[0039] The wire cutting machine base 1 is equipped with a wire guiding mechanism 4, a wire head tensioning mechanism 5, and a tension adjusting structure for adjusting the tension of the electrode wire; the moving end of the wire conveying mechanism 2 is equipped with a translation seat 21, and a wire storage drum 22 is rotatably mounted on the translation seat 21; a wire drum clamping mechanism 3 for clamping the end of the electrode wire is installed inside the translation seat 21; an anti-detachment mechanism 6 is installed on the output end of the wire drum clamping mechanism 3 and on the translation seat 21.
[0040] like Figure 5 As shown, the wire tensioning mechanism 5 includes a cylinder linear module 51, a first wire clamping structure 52, a wire tensioning assembly 53, and a second wire clamping structure 54. The cylinder linear module 51 is fixedly installed on the wire cutting machine base 1. A mounting frame 511 is fixedly installed on the moving end of the cylinder linear module 51. The first wire clamping structure 52 and the wire tensioning assembly 53 are installed on the mounting frame 511. The second wire clamping structure 54 is installed on the moving end of the wire tensioning assembly 53.
[0041] like Figure 4 As shown, the anti-slipping mechanism 6 includes a slippage detection component 61 and a wire pressing component 62. The output end of the wire spool clamping mechanism 3 is equipped with a slippage detection component 61 for detecting whether the electrode wire slips off, and the translation seat 21 is equipped with a wire pressing component 62 for cooperating with the wire storage spool 22 to press the electrode wire.
[0042] like Figure 5 As shown, the wire guide mechanism 4 includes a fixed wire guide assembly 41 and a yielding wire guide assembly 42. The fixed wire guide assembly 41 and the yielding wire guide assembly 42 are installed on the wire cutting machine base 1, and the yielding wire guide assembly 42 is located between the fixed wire guide assembly 41 and the translation seat 21.
[0043] The wire feeding mechanism 2 can be the wire cutting wire feeding mechanism disclosed in Chinese Patent No. CN220971004U, which is the prior art in this field.
[0044] The tension adjustment structure can be the tension adjustment mechanism disclosed in Chinese Patent No. CN116213858B, which describes an automatic wire cutting and unloading device.
[0045] In this embodiment, when the electrode wire anti-drop device is working normally, the wire conveying mechanism 2 drives the translation seat 21 to move horizontally while simultaneously rotating the wire storage drum 22, so that the electrode wires on the wire storage drum 22 can be wound and unwound synchronously. In the initial state, the first wire clamping structure 52 is located between the yielding wire guide assembly 42 and the translation seat 21, and the second wire clamping structure 54 is located between the fixed wire guide assembly 41 and the yielding wire guide assembly 42. During automatic wire threading, the electrode wires in the fixed wire guide assembly 41 pass through the second wire clamping structure 54 in sequence and are then guided by the yielding wire guide assembly 42 into the clamping structure 54. Within wire structure 52, the end of the electrode wire is clamped by wire clamping structure 52, and the portion of the electrode wire located between the fixed wire guide assembly 41 and the yielding wire guide assembly 42 is clamped by wire clamping structure 54. At this time, the yielding wire guide assembly 42 is operated to ensure that it does not obstruct the movement of wire clamping structure 52, wire end tensioning assembly 53, wire clamping structure 54, and the electrode wire. The linear cylinder module 51 drives wire clamping structure 52, wire end tensioning assembly 53, and wire clamping structure 54 towards the wire storage drum 22 via the mounting bracket 511, causing the electrode wire to move from the wire storage drum 22. The electrode wire passes under the wire, and during this process, the tension adjustment device allows the electrode wire held by the clamping structure 52 and the clamping structure 54 to move towards the lower side of the wire storage drum 22, thereby facilitating the movement of the electrode wire between the clamping structure 52 and the clamping structure 54 to the moving end of the wire clamping mechanism 3 and the wire storage drum 22; the wire head tensioning assembly 53 is activated to straighten the electrode wire between the clamping structure 52 and the clamping structure 54, and then the wire clamping mechanism 3 is activated to clamp the electrode wire; subsequently, the external tension adjustment structure adjusts the electrode wire... The tension is consistent with the tension between the wire tensioning assembly 53 and the wire clamping structure 54; thus, when the wire clamping mechanism 3 clamps the end of the electrode wire, the part of the electrode wire clamped by the wire clamping mechanism 3 is in a taut state; thus, during wire feeding, changes in the tension of the external electrode wire will not cause the electrode wire held by the wire clamping mechanism 3 to slip, avoiding electrode wire vibration caused by the slippage of the electrode wire end; and when the tension of the external electrode wire is greater than the maximum dynamic friction force between the wire clamping mechanism 3 and the electrode wire but less than the maximum static friction force, the electrode wire will not fall off from the wire clamping mechanism 3.
[0046] After the electrode wire is clamped, the wire clamping structure 2 54 and the wire clamping structure 1 52 release the electrode wire. The cylinder linear module 51 drives the wire clamping structure 1 52, the wire tensioning component 53 and the wire clamping structure 2 54 to reset through the mounting bracket 511, without affecting the subsequent wire feeding.
[0047] Meanwhile, during wire feeding, if the end of the electrode wire slips into the wire clamping mechanism 3, the wire slip detection component 61 can quickly detect the slippage of the electrode wire. At this time, the wire feeding mechanism 2 can be stopped or the tension of the electrode wire can be adjusted by the tension adjustment mechanism to prevent the electrode wire from falling off further. At the same time, the wire pressing component 62 can be activated. The wire pressing component 62, together with the wire storage cylinder 22, can press the electrode wire to further prevent the electrode wire from falling off.
[0048] Example 2: In some embodiments, as a preferred embodiment of the present invention, such as... Figure 6 As shown, the wire clamping mechanism 3 includes a wire clamping cylinder 31 and a wire clamping plate 32. The wire clamping cylinder 31 is fixedly installed inside the wire storage cylinder 22. The output end of the wire clamping cylinder 31 passes through the wire storage cylinder 22 and is fixedly connected to the wire clamping plate 32. The wire clamping plate 32 is set to an arc shape that matches the curvature of the wire storage cylinder 22. The wire clamping plate 32 and the wire storage cylinder 22 cooperate to clamp the electrode wire.
[0049] like Figure 8 As shown, the fixed wire guide assembly 41 includes a fixed wire guide frame 411, a wire guide cylinder 412, a support base 413, and a guide wheel 414. The fixed wire guide frame 411 is fixedly installed on the wire cutting machine base 1. The wire guide cylinder 412 is fixedly installed on the fixed wire guide frame 411. The support base 413 is fixedly installed at one end of the fixed wire guide frame 411 near the wire storage cylinder 22. The guide wheel 414 is rotatably installed on the support base 413 and is located on the upper side of the fixed wire guide frame 411. A wire guide groove is formed on the fixed wire guide frame 411. After the electrode wire passes through the wire guide cylinder 412, it passes between the wire guide groove on the fixed wire guide frame 411 and the guide wheel 414.
[0050] The wire guide assembly 42 includes a clearance cylinder 421, a guide rod 422, a moving plate 423, and a moving wire guide frame 424. The clearance cylinder 421 is fixedly installed on the wire cutting machine base 1. The moving plate 423 is fixedly installed at the output end of the clearance cylinder 421. The guide rods 422 are symmetrically fixedly installed on the moving plate 423. The guide rods 422 are slidably connected to the wire cutting machine base 1. The moving wire guide frame 424 has a wire guide groove. The moving wire guide frame 424 and the support base 413 form a clearance groove 425 for accommodating the wire clamping structure 54.
[0051] like Figure 6 and Figure 7 As shown, the wire clamping structure 52 includes a pneumatic gripper 521 and a conformal clamping plate 522. The pneumatic gripper 521 is fixedly mounted on the mounting frame 511, and the output end of the pneumatic gripper 521 is fixedly mounted with a conformal clamping plate 522 for clamping the electrode wire.
[0052] The wire tensioning assembly 53 includes a guide rail 531, a movable seat 532, a slide rod 533, a spring 534, and a power storage structure. The guide rail 531 is fixedly mounted on the mounting frame 511, and the movable seat 532 is slidably mounted on the guide rail 531 at its upper limit. The wire clamping structure 54 is mounted on the movable seat 532. One end of the movable seat 532 is fixedly connected to the slide rod 533, and the other end of the slide rod 533 is slidably connected to the mounting frame 511 at its limit. The slide rod 533 is sleeved with a spring 534, one end of which is fixedly connected to the movable seat 532, and the other end of which is fixedly connected to the mounting frame 511. The power storage structure is mounted on the movable seat 532 and the mounting frame 511.
[0053] The energy storage structure includes a magnetic block 535 and an electromagnet 536. The magnetic block 535 is fixedly installed on the movable base 532, and the electromagnet 536 is fixedly installed on the mounting bracket 511.
[0054] The second wire clamping structure 54 is the same as the first wire clamping structure 52.
[0055] In this embodiment, when the wire clamping mechanism 3, the wire guiding mechanism 4, and the wire tensioning mechanism 5 are working normally, the wire clamping cylinder 31 drives the wire clamping plate 32 to move, causing the wire clamping plate 32 to separate from or fit against the wire storage cylinder 22. When the wire clamping plate 32 separates from the wire storage cylinder 22, the electrode wire passes through the space between the wire clamping plate 32 and the wire storage cylinder 22. Then, the wire clamping cylinder 31 drives the wire clamping plate 32 to fit against the wire storage cylinder 22, clamping the electrode wire through the wire storage cylinder 22 and the wire clamping plate 32. In the initial state, the conformal clamping plate 522 fits against the movable wire guide frame 424, and the second wire clamping structure 54 is located between the movable wire guide frame 424 and the support base 413. The electrode wire passes through the guide cylinder 412 and the fixed wire guide frame 411, and after passing through the second wire clamping structure 54, it passes through the movable wire guide frame 424 and the conformal clamping plate 522 under the guidance of the movable wire guide frame 424.
[0056] The pneumatic gripper 521 drives the conformal clamping plate 522 to clamp the electrode wire, and the wire clamping structure 54 clamps the electrode wire; then the displacement cylinder 421 drives the moving plate 423 to move vertically under the limiting action of the guide rod 422, thereby driving the moving wire guide frame 424 to move vertically, so that the electrode wire is disengaged from the moving wire guide frame 424; the cylinder linear module 51 drives the mounting frame 511 to move horizontally, thereby driving the electrode wire to move horizontally through the conformal clamping plate 522 and the wire clamping structure 54; so that the electrode wire and the conformal clamping plate 522 pass between the wire clamping plate 32 and the wire storage cylinder 22;
[0057] When the electromagnet 536 is turned on, it attracts the magnetic block 535, which in turn moves the moving seat 532. Under the guidance of the guide rail 531, the moving seat 532 moves the wire clamping structure 54 away from the conformal clamping plate 522, thereby tightening the electrode wire between the conformal clamping plate 522 and the wire clamping structure 54. At this time, the wire clamping cylinder 31 is activated to move the wire clamping plate 32, so that the wire clamping plate 32 cooperates with the wire storage cylinder 22 to clamp the electrode wire, thereby making the electrode wire taut inside when it is clamped.
[0058] Example 3: In some embodiments, as a preferred embodiment of the present invention, such as Figure 6 As shown, the wire slip detection assembly 61 includes a first conductive block 611 and a second conductive block 612. The first conductive block 611 is fixedly installed at one end of the wire clamping plate 32, and the second conductive block 612 is fixedly installed at the other end of the wire clamping plate 32. The wire clamping plate 32 is made of insulating material. The first conductive block 611 and the second conductive block 612 are electrically connected. A conductive slip ring is fixedly installed on the translation seat 21. The first conductive block 611 and the second conductive block 612 are electrically connected to the external circuit continuity detection device through the conductive slip ring.
[0059] A multimeter can be used as a circuit continuity test device.
[0060] The wire pressing assembly 62 includes a fixed frame 621, a wire pressing cylinder 622, and a wire pressing block 623. The fixed frame 621 is fixedly installed on the translation seat 21. The wire pressing cylinder 622 is fixedly installed on the fixed frame 621. The wire pressing block 623 is fixedly installed at the output end of the wire pressing cylinder 622. The wire pressing block 623 cooperates with the wire storage cylinder 22 to clamp the electrode wire.
[0061] In this embodiment, when the wire slip detection assembly 61 and the wire pressing assembly 62 are working normally, when the electrode wire is clamped between the wire clamping plate 32 and the wire storage cylinder 22, the conductive block 611 and the conductive block 612 at the end of the wire clamping plate 32 respectively contact the electrode wire; the multimeter forms a circuit through the conductive slip ring, the conductive block 611, the conductive block 612 and the electrode wire; thereby facilitating the detection of whether the electrode wire is in place during wire threading.
[0062] Simultaneously, as the electrode wire slides between the clamping plate 32 and the wire storage cylinder 22, one end of the electrode wire slides to a position where it is separated from the first conductive block 611. At this time, the electrode wire is still between the clamping plate 32 and the wire storage cylinder 22, but the electrode wire is only in contact with the second conductive block 612. The circuit is detected as broken by a multimeter. At this time, the wire pressing cylinder 622 drives the wire pressing block 623 to move. The wire pressing block 623 and the wire storage cylinder 22 press the electrode wire wound on the wire storage cylinder 22, thereby preventing the electrode wire from sliding further.
[0063] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. An electrode wire anti-detachment device, comprising a wire cutting machine base (1), a wire feeding mechanism (2), and a wire spool clamping mechanism (3), characterized in that: It also includes a guide wire mechanism (4), a wire head tensioning mechanism (5), and an anti-loosening mechanism (6); The wire cutting machine base (1) is equipped with a wire guiding mechanism (4), a wire end tensioning mechanism (5), and a tension adjusting structure for adjusting the tension of the electrode wire; the moving end of the wire conveying mechanism (2) is equipped with a translation seat (21), and a wire storage drum (22) is rotatably installed on the translation seat (21); a wire drum clamping mechanism (3) for clamping the end of the electrode wire is installed inside the translation seat (21); an anti-detachment mechanism (6) is installed on the output end of the wire drum clamping mechanism (3) and on the translation seat (21); The wire tensioning mechanism (5) includes a cylinder linear module (51), a wire clamping structure one (52), a wire tensioning assembly (53), and a wire clamping structure two (54). The cylinder linear module (51) is fixedly installed on the wire cutting machine base (1). A mounting frame (511) is fixedly installed on the moving end of the cylinder linear module (51). The mounting frame (511) is equipped with the wire clamping structure one (52) and the wire tensioning assembly (53). The moving end of the wire tensioning assembly (53) is equipped with the wire clamping structure two (54). The anti-loosening mechanism (6) includes a slippage detection component (61) and a wire pressing component (62). The output end of the wire spool clamping mechanism (3) is equipped with a slippage detection component (61) for detecting whether the electrode wire slips off. The translation seat (21) is equipped with a wire pressing component (62) for cooperating with the wire storage spool (22) to press the electrode wire. The wire clamping mechanism (3) includes a wire clamping cylinder (31) and a wire clamping plate (32). The wire clamping cylinder (31) is fixedly installed inside the wire storage cylinder (22). The output end of the wire clamping cylinder (31) passes through the wire storage cylinder (22) and is fixedly connected to the wire clamping plate (32). The wire clamping plate (32) is set to an arc shape that matches the curvature of the wire storage cylinder (22). The wire clamping plate (32) and the wire storage cylinder (22) cooperate to clamp the electrode wire. The wire tensioning assembly (53) includes a guide rail (531), a movable seat (532), a slide rod (533), a spring (534), and a power storage structure. The guide rail (531) is fixedly mounted on the mounting frame (511), and the movable seat (532) is slidably mounted on the guide rail (531). The second wire clamping structure (54) is mounted on the movable seat (532). One end of the movable seat (532) is fixedly connected to the slide rod (533), and the other end of the slide rod (533) is slidably connected to the mounting frame (511). The slide rod (533) is sleeved with a spring (534), one end of the spring (534) is fixedly connected to the movable seat (532), and the other end of the spring (534) is fixedly connected to the mounting frame (511). The power storage structure is mounted on the movable seat (532) and the mounting frame (511). The energy storage structure includes a magnetic block (535) and an electromagnet (536). The magnetic block (535) is fixedly installed on the movable base (532), and the electromagnet (536) is fixedly installed on the mounting bracket (511).
2. The electrode wire anti-detachment device according to claim 1, characterized in that, The wire guide mechanism (4) includes a fixed wire guide assembly (41) and a yielding wire guide assembly (42). The fixed wire guide assembly (41) and the yielding wire guide assembly (42) are installed on the wire cutting machine base (1). The yielding wire guide assembly (42) is located between the fixed wire guide assembly (41) and the translation seat (21).
3. The electrode wire anti-detachment device according to claim 2, characterized in that, The fixed wire guide assembly (41) includes a fixed wire guide frame (411), a wire guide cylinder (412), a support base (413), and a guide wheel (414). The fixed wire guide frame (411) is fixedly installed on the wire cutting machine base (1). The wire guide cylinder (412) is fixedly installed on the fixed wire guide frame (411). The support base (413) is fixedly installed at one end of the fixed wire guide frame (411) near the wire storage cylinder (22). The guide wheel (414) is rotatably installed on the support base (413). The guide wheel (414) is located on the upper side of the fixed wire guide frame (411). A wire guide groove is opened on the fixed wire guide frame (411). After the electrode wire passes through the wire guide cylinder (412), it passes between the wire guide groove on the fixed wire guide frame (411) and the guide wheel (414).
4. The electrode wire anti-detachment device according to claim 3, characterized in that, The wire guide assembly (42) includes a wire guide cylinder (421), a guide rod (422), a moving plate (423), and a moving wire guide frame (424). The wire guide cylinder (421) is fixedly installed on the wire cutting machine base (1). The moving plate (423) is fixedly installed at the output end of the wire guide cylinder (421). The guide rod (422) is symmetrically fixedly installed on the moving plate (423). The guide rod (422) is slidably connected to the wire cutting machine base (1). The moving wire guide frame (424) has a wire guide groove. The moving wire guide frame (424) and the support base (413) form a wire guide groove (425) for accommodating the wire clamping structure (54).
5. The electrode wire anti-detachment device according to claim 4, characterized in that, The wire clamping structure (52) includes a pneumatic gripper (521) and a conformal clamping plate (522). The pneumatic gripper (521) is fixedly installed on the mounting frame (511), and the output end of the pneumatic gripper (521) is fixedly installed with a conformal clamping plate (522) for clamping the electrode wire.
6. The electrode wire anti-detachment device according to claim 5, characterized in that, The slip detection assembly (61) includes a first conductive block (611) and a second conductive block (612). The first conductive block (611) is fixedly installed at one end of the wire clamping plate (32), and the second conductive block (612) is fixedly installed at the other end of the wire clamping plate (32). The wire clamping plate (32) is made of insulating material. The first conductive block (611) and the second conductive block (612) are electrically connected. A conductive slip ring is fixedly installed on the translation seat (21). The first conductive block (611) and the second conductive block (612) are electrically connected to the external circuit continuity detection device through the conductive slip ring.
Citation Information
Patent Citations
An automatic wire threading and unthreading method for wire EDM
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A wire cutting wire transport mechanism
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Automatic electrode wire feeding assembly and automatic electrode wire cutting device and system
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Automatic threading wire cutting machine
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