High-stability automatic wire cutting device

Abstract

The application discloses a high-stability automatic wire cutting equipment, and belongs to the technical field of wire cutting. The equipment comprises a rack, a wire winding and unwinding mechanism installed on the left side of the rack for wire winding and unwinding, a wire tensioning mechanism installed on the middle side of the rack for adjusting the tightness of the wire, a wire vertical conveying mechanism installed on the upper side of the rack for guiding the downward conveying of the wire and assisting wire threading, a workpiece driving mechanism installed on the right side of the rack for clamping and driving the movement of the workpiece, and a wire horizontal conveying mechanism installed on the lower side of the rack for receiving the wire passing through the workpiece and conveying the wire to the wire winding and unwinding mechanism. Through the above mode, the wire can be normally clamped on the lower guide wheel for wire conveying even if the wire is bent when passing through the workpiece, the stability of wire threading is improved, the pipe can be quickly replaced for the conveying of different sizes of perforations and different thicknesses of wires, and the wire can be quickly fixed on the wire winding drum for winding.

Description

Technical Field

[0001] This invention relates to the field of wire cutting technology, specifically a highly stable automatic wire cutting device. Background Technology

[0002] Wire EDM equipment is a special machine tool that achieves precision machining of materials through the principle of electrical discharge corrosion. During the cutting process, wire EDM equipment usually requires wire threading. The wire is passed through a pre-drilled hole in the workpiece, then through the lower die, the lower conductive block, and finally to the wire storage drum. This completes the wire threading. Existing equipment usually uses a motor to drive the wire. A guide sleeve assists the wire in entering the wire threading hole of the workpiece from the upper die. An air nozzle above the wire threading hole sprays air to assist in feeding the wire. After passing the lower guide wheel and the conductive block, the wire continues to move and is fixed by the wire pressure block at the position of the wire storage drum. At this time, after the wire storage drum rotates a preset number of times, the wire runs smoothly, and the wire threading is completed. Because the wire is fed by air and motor, if the wire is not in a straight state when passing the guide wheel below the workpiece, it is easy for the wire to bend and become blocked or get stuck in the gap of the side wall of the lower guide wheel, resulting in wire threading failure.

[0003] Chinese Patent CN116252009A discloses an automatic wire cutting device with a wire storage mechanism for winding and unwinding wire electrodes. The wire storage mechanism includes a wire storage drum with a clamping assembly on its outer wall for fixing the end of the wire electrode; a movable tube wire threading mechanism for threading the wire electrode; a movable tube threading mechanism with a movable receiving tube near the wire storage drum; a hollow receiving tube for threading the wire electrode; and a clamping and feeding mechanism for clamping the wire electrode forward or backward. The clamping assembly is a sheet-like elastic clamp with one end fixed to the outer wall of the wire storage drum and the other end extending along the outer wall. The movable end of the elastic clamp extends outward to form a guide end, and the cross-section of the guide end where it clamps the outer wall of the wire storage drum forms an acute angle.

[0004] However, the technical solution of this patent has the following problems:

[0005] This patent does not allow the wire to be properly secured on the lower guide roller for wire feeding even when the wire bends as it passes through the workpiece, and it does not allow for quick tube changes to feed wires of different sizes and thicknesses.

[0006] Based on this, the present invention designs a highly stable automatic wire cutting device to solve the above problems. Summary of the Invention

[0007] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a highly stable automatic wire cutting device.

[0008] To achieve the above objectives, the present invention provides the following technical solution:

[0009] A highly stable automatic wire cutting device includes a frame. A wire winding and unwinding mechanism for winding and unwinding wire is installed on the left side of the frame. A wire tensioning mechanism for adjusting the wire tension is installed in the middle of the frame. A vertical wire conveying mechanism for guiding the wire downward and assisting in wire threading is installed on the upper side of the frame. A workpiece driving mechanism for clamping and driving the workpiece is installed on the right side of the frame. A horizontal wire conveying mechanism for receiving the wire passing through the workpiece and conveying it to the wire winding and unwinding mechanism is installed on the lower side of the frame.

[0010] The thread take-up and undo mechanism includes: a take-up assembly, an elastic clamping assembly, and a magnetic unlocking assembly. The take-up assembly is installed on the left side of the frame. The elastic clamping assembly is installed on the end of the take-up portion of the take-up assembly. The magnetic unlocking assembly is installed on the take-up assembly and is located below the take-up portion of the take-up assembly. When the elastic clamping assembly is rotated to its lowest position, it is located directly above the magnetic unlocking assembly.

[0011] The transverse conveying mechanism for the silk thread includes an L-shaped moving component, a clamping component, and an offset receiving component. The L-shaped moving component is installed on the lower side of the frame, the clamping component is installed on the output end of the L-shaped moving component, and the offset receiving component is installed on the upper side of the L-shaped moving component.

[0012] Furthermore, the L-shaped moving assembly includes: a transverse support frame, a shaped guide rail, a shaped slider, a rack, a first motor, and a gear. The transverse support frame is fixedly installed on the lower side of the frame, the shaped guide rail is fixedly installed on the transverse support frame, the shaped slider is slidably connected to the shaped guide rail, the rack is fixedly installed on the transverse support frame, the first motor is fixedly installed on the shaped slider, and the gear is fixedly installed on the output shaft of the first motor. The gear and the rack mesh with each other.

[0013] Furthermore, the clamping assembly includes: a jaw and a clamping head, wherein the jaw is fixedly mounted on the irregularly shaped slider, and the clamping head is fixedly mounted on the output end of the jaw.

[0014] Furthermore, the offset receiving assembly includes: a fixed frame, a first cylinder, a sliding plate, a second cylinder, and a receiving pipe. The fixed frame is slidably connected to the transverse support frame. The first cylinder is fixedly installed on the transverse support frame, and its output end is fixedly connected to the fixed frame. The sliding plate is slidably connected to the fixed frame. The second cylinder is fixedly installed on the fixed frame, and its output end is fixedly connected to the sliding plate. The receiving pipe is fixedly installed on the sliding plate.

[0015] Furthermore, a third cylinder is fixedly installed on the middle side of the transverse support frame, and a lower conductive block is fixedly installed on the output end of the third cylinder.

[0016] Furthermore, the vertical thread conveying mechanism includes a needle-threading orientation fine-tuning component, which is installed on the middle side of the frame. The needle-threading orientation fine-tuning component includes a z-axis linear module, an x-axis linear module, and a y-axis linear module. The z-axis linear module is fixedly installed on the middle side of the frame, the x-axis linear module is fixedly installed at the output end of the z-axis linear module, and the y-axis linear module is fixedly installed at the output end of the x-axis linear module.

[0017] Furthermore, the vertical wire conveying mechanism also includes: a shaped frame, an upper guide wheel, an upper conductive block, a fixed guide tube, an active conveying wheel, a moving block, a driven conveying wheel, a spring, and a hollow screw. The shaped frame is fixedly installed at the output end of the Y-axis linear module. The upper guide wheel is rotatably connected to the front side of the shaped frame via a rotating shaft. The upper conductive block is fixedly installed on the left side of the shaped frame. The fixed guide tube is fixedly installed on the shaped frame. The active conveying wheel is rotatably connected to the shaped frame via a rotating shaft and is located on the right side of the fixed guide tube. The moving block is slidably connected to the shaped frame. The driven conveying wheel is rotatably connected to the moving block via a rotating shaft. One end of the spring is fixedly installed on the moving block. The hollow screw is threadedly connected to the shaped frame, and the other end of the spring is located inside the hollow screw. A second motor is fixedly installed on the front side of the shaped frame, and the output end of the second motor is fixedly connected to the rotating shaft of the active conveying wheel.

[0018] Furthermore, the vertical wire conveying mechanism also includes a quick tube changing assembly, which is mounted on a shaped frame. The quick tube changing assembly includes a first linear module, a third motor, a disc, and extension tubes. The first linear module is fixedly mounted on the shaped frame, the third motor is fixedly mounted on the output end of the first linear module, the disc is fixedly mounted on the output shaft of the third motor, and multiple extension tubes are fixedly mounted on the disc, each extension tube having a different size.

[0019] Furthermore, the winding assembly includes: a second linear module, a take-up drum, and a fourth motor. The second linear module is fixedly installed on the left side of the frame. The take-up drum is rotatably connected to the output end of the second linear module via a rotating shaft. The fourth motor is fixedly installed on the output end of the second linear module. The output shaft of the fourth motor is fixedly connected to the rotating shaft of the take-up drum. The elastic clamping assembly is installed on the end of the take-up drum. The magnetic unlocking assembly is installed on the output end of the second linear module and is located below the take-up drum. When the elastic clamping assembly is rotated to its lowest position, it is located directly above the magnetic unlocking assembly.

[0020] The elastic clamping assembly includes: a pressure plate and a torsion spring. The pressure plate is rotatably connected to the end of the take-up drum via a rotating shaft. The torsion spring is located on the rotating shaft of the pressure plate. One end of the torsion spring is fixedly mounted on the pressure plate, and the other end of the torsion spring is fixedly mounted on the take-up drum.

[0021] The magnetic unlocking component includes an electromagnet, which is fixedly installed at the output end of the second linear module and located below the take-up drum. When the pressure plate of the elastic clamping component rotates to its lowest position, it is located directly above the electromagnet.

[0022] Furthermore, the wire tensioning mechanism includes: an auxiliary wheel, a vertical block, a movable wheel, a limiting rod, and a counterweight. The auxiliary wheels are rotatably connected to the middle side of the frame via a rotating shaft. The vertical block is slidably connected to the frame. The movable wheel is rotatably connected to the middle side of the vertical block via a rotating shaft. The two limiting rods are fixedly installed on the vertical block. The counterweight is slidably connected to the limiting rod.

[0023] Furthermore, the workpiece driving mechanism includes: a third linear module, a fourth linear module, and a workpiece stage. The third linear module is fixedly installed on the right side of the frame, the fourth linear module is fixedly installed on the output end of the third linear module, and the workpiece stage is fixedly installed on the output end of the fourth linear module.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The present invention moves the first cylinder output end of the offset receiving component upward to drive the fixed frame upward, the fixed frame upward to drive the sliding plate upward, the sliding plate upward to drive the receiving tube upward, the receiving tube approaches the workpiece, and the wire enters the receiving tube when passing through the workpiece. The second cylinder output end moves to the right to drive the sliding plate to the right, the sliding plate to the right to drive the receiving tube to the right, and the receiving tube to the right to drive the wire to the right. At this time, the wire is located at the clamping head position. After the clamping component clamps the wire, it is conveyed by the L-shaped moving component. At this time, the wire moves to the position of the wire take-up and release mechanism after passing through the lower guide wheel. This is beneficial for the wire to bend when passing through the workpiece and can be normally clamped on the lower guide wheel for wire conveying, thus improving the stability of wire threading.

[0025] 2. The first linear module output end of the quick-change tube assembly moves downward, causing the extension tube to move downward. The extension tube and the fixed guide tube separate. The output shaft of the third motor rotates, causing the disc to rotate. The rotation of the disc causes the extension tube to follow the movement. When the extension tube moves to the preset position, the first linear module output end moves upward, causing the extension tube to move upward. The new extension tube and the fixed guide tube are then in close contact. Different extension tubes can be replaced according to different wire sizes. The appropriate extension tube can drill holes to the appropriate size on the workpiece. At the same time, the wire feeding is limited to the maximum extent to avoid excessive deviation during wire feeding due to mismatch between the wire and the extension tube. The tube can be quickly changed to perform piercing of different sizes and feeding of wires of different thicknesses.

[0026] 3. The electromagnet activates the pressure plate, causing the torsion spring to deform elastically. The pressure plate then moves away from the take-up drum and is in the open position. The take-up drum of the wire take-up mechanism is wound with wire. The end of the wire away from the take-up drum passes through the workpiece and is then conveyed to the take-up drum position. The electromagnet closes, and the elastically deformed torsion spring returns to its original position, pushing the pressure plate back to the take-up drum position and clamping the wire. The output shaft of the fourth motor rotates, driving the take-up drum to rotate and winding the wire onto the take-up drum. At the same time, the output end of the second linear module moves back and forth, driving the take-up drum to move back and forth as well, so that the wire is evenly wound onto the take-up drum, which is beneficial for quickly fixing the wire onto the take-up drum for take-up. Attached Figure Description

[0027] 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.

[0028] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0029] Figure 2 This is a front view of the present invention;

[0030] Figure 3 This is a top view of the present invention;

[0031] Figure 4 This is a schematic diagram of the structure of the present invention with part of the frame removed. Figure 1 ;

[0032] Figure 5 This is a partial structural schematic diagram of the thread take-up and undo mechanism of the present invention;

[0033] Figure 6 for Figure 5 Enlarged view of A in the middle;

[0034] Figure 7 This is a partial structural schematic diagram of the thread take-up and untake-down mechanism and the thread transverse conveying mechanism of the present invention;

[0035] Figure 8 This is a partial structural schematic diagram of the wire tensioning mechanism of the present invention;

[0036] Figure 9 This is a schematic diagram of the structure of the present invention with part of the frame removed. Figure 2 ;

[0037] Figure 10 This is a partial structural diagram of the vertical wire conveying mechanism of the present invention. Figure 1 ;

[0038] Figure 11 for Figure 10 Enlarged view of B in the middle;

[0039] Figure 12 This is a partial structural diagram of the vertical wire conveying mechanism of the present invention. Figure 2 ;

[0040] Figure 13 This is a partial structural diagram of the transverse wire conveying mechanism of the present invention. Figure 1 ;

[0041] Figure 14 This is a partial structural diagram of the transverse wire conveying mechanism of the present invention. Figure 2 ;

[0042] Figure 15 for Figure 14 Enlarged view of C in the middle;

[0043] Figure 16 This is a partial structural diagram of the transverse wire conveying mechanism of the present invention. Figure 3 .

[0044] The labels in the diagram represent:

[0045] 1. Frame; 2. Wire take-up and undo mechanism; 21. Second linear module; 22. Take-up drum; 23. Fourth motor; 24. Pressure plate; 25. Torsion spring; 26. Electromagnet; 3. Wire tensioning mechanism; 31. Auxiliary wheel; 32. Vertical block; 33. Moving wheel; 34. Limiting rod; 35. Counterweight; 4. Wire vertical conveying mechanism; 41. Z-axis linear module; 42. X-axis linear module; 43. Y-axis linear module; 44. Irregular frame; 45. Upper guide wheel; 46. Upper conductive block; 47. Fixed guide tube; 48. Active conveyor wheel; 49. Moving block; 410. Driven conveyor wheel; 411. Spring; 412. Empty 413. First motor; 414. First linear module; 415. Third motor; 416. Disc; 417. Extension tube; 5. Workpiece driving mechanism; 51. Third linear module; 52. Fourth linear module; 53. Workpiece table; 6. Wire transverse conveying mechanism; 61. Transverse support frame; 62. Irregular guide rail; 63. Irregular slider; 64. Rack; 65. First motor; 66. Gear; 67. Gripper; 68. Grip head; 69. Fixing frame; 610. First cylinder; 611. Sliding plate; 612. Second cylinder; 613. Receiving tube; 614. Third cylinder; 615. Lower conductive block. Detailed Implementation

[0046] 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.

[0047] The present invention will be further described below with reference to embodiments.

[0048] 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.

[0049] Example 1: In some examples, please refer to Figures 1-16 A highly stable automatic wire cutting device includes a frame 1. A wire winding and unwinding mechanism 2 for winding and unwinding wire is installed on the left side of the frame 1. A wire tensioning mechanism 3 for adjusting the wire tension is installed in the middle of the frame 1. A vertical wire conveying mechanism 4 for guiding the wire downward and assisting in wire threading is installed on the upper side of the frame 1. A workpiece driving mechanism 5 for clamping and driving the workpiece to move is installed on the right side of the frame 1. A horizontal wire conveying mechanism 6 for receiving the wire passing through the workpiece and conveying it to the wire winding and unwinding mechanism 2 is installed on the lower side of the frame 1.

[0050] The thread take-up and untake-down mechanism 2 includes: a take-up assembly, an elastic clamping assembly, and a magnetic unlocking assembly. The take-up assembly is installed on the left side of the frame 1. The elastic clamping assembly is installed on the end of the take-up portion of the take-up assembly. The magnetic unlocking assembly is installed on the take-up assembly and located below the take-up portion of the take-up assembly. When the elastic clamping assembly is rotated to its lowest position, it is located directly above the magnetic unlocking assembly.

[0051] like Figure 13 , Figure 14 , Figure 15 , Figure 16 As shown, the transverse conveying mechanism 6 for the silk thread includes an L-shaped moving component, a clamping component, and an offset receiving component. The L-shaped moving component is installed on the lower side of the frame 1, the clamping component is installed on the output end of the L-shaped moving component, and the offset receiving component is installed on the upper side of the L-shaped moving component.

[0052] The L-shaped moving component drives the clamping component to move in an L-shape. The clamping component clamps the thread passing through the workpiece. The offset receiving component moves upward to facilitate the thread passing through the workpiece, and at the same time offsets the thread to the right to facilitate clamping by the clamping component.

[0053] The L-shaped moving assembly includes: a transverse support frame 61, a shaped guide rail 62, a shaped slider 63, a rack 64, a first motor 65, and a gear 66. The transverse support frame 61 is fixedly installed on the lower side of the frame 1. The shaped guide rail 62 is fixedly installed on the transverse support frame 61. The shaped slider 63 is slidably connected to the shaped guide rail 62. The rack 64 is fixedly installed on the transverse support frame 61. The first motor 65 is fixedly installed on the shaped slider 63. The gear 66 is fixedly installed on the output shaft of the first motor 65. The gear 66 and the rack 64 mesh with each other.

[0054] The first motor 65 of the L-shaped moving component rotates, driving the gear 66 to rotate. The rotation of the gear 66, in conjunction with the rack 64, causes the irregularly shaped slider 63 to move in an L-shape under the constraint of the irregularly shaped guide rail 62.

[0055] The clamping assembly includes a jaw 67 and a clamping head 68. The jaw 67 is fixedly mounted on the irregularly shaped slider 63, and the clamping head 68 is fixedly mounted on the output end of the jaw 67.

[0056] The wire passing through the workpiece is moved to the preset position of the clamping head 68 of the clamping assembly, and the jaws 67 are activated to drive the clamping head 68 to clamp the wire passing through the workpiece.

[0057] The offset receiving assembly includes: a fixed frame 69, a first cylinder 610, a sliding plate 611, a second cylinder 612, and a receiving pipe 613. The fixed frame 69 is slidably connected to the transverse support frame 61. The first cylinder 610 is fixedly installed on the transverse support frame 61, and its output end is fixedly connected to the fixed frame 69. The sliding plate 611 is slidably connected to the fixed frame 69. The second cylinder 612 is fixedly installed on the fixed frame 69, and its output end is fixedly connected to the sliding plate 611. The receiving pipe 613 is fixedly installed on the sliding plate 611.

[0058] A third cylinder 614 is fixedly installed on the middle side of the transverse support frame 61, and a lower conductive block 615 is fixedly installed on the output end of the third cylinder 614. A lower guide wheel is rotatably connected to the right side of the transverse support frame 61 via a rotating shaft.

[0059] The output end of the first cylinder 610 of the offset receiving assembly moves upward, causing the fixed frame 69 to move upward. The upward movement of the fixed frame 69 causes the sliding plate 611 to move upward. The upward movement of the sliding plate 611 causes the receiving tube 613 to move upward. The receiving tube 613 approaches the workpiece, and the wire enters the receiving tube 613 when passing through the workpiece. The output end of the second cylinder 612 moves to the right, causing the sliding plate 611 to move to the right. The right movement of the sliding plate 611 causes the receiving tube 613 to move to the right. The right movement of the receiving tube 613 causes the wire to move to the right. At this time, the wire is located at the clamping head 68. After the clamping assembly clamps the wire, it is conveyed by the L-shaped moving assembly. At this time, the wire moves to the position of the wire take-up and unwinding mechanism 2 after passing through the lower guide wheel. This is beneficial for the wire to bend when passing through the workpiece and can be normally clamped on the lower guide wheel for wire conveying, thus improving the stability of wire threading.

[0060] The wire passes through the workpiece and is conveyed to the wire take-up and undo mechanism 2. The output end of the third cylinder 614 moves upward, causing the lower conductive block 615 to move upward and contact the wire. The lower conductive block 615 is used for conducting electricity.

[0061] Example 2: In some embodiments, such as Figures 1-16 As shown, in a preferred embodiment of the present invention, the vertical thread conveying mechanism 4 includes: a needle-threading orientation fine-tuning component, which is installed on the middle side of the frame 1. The needle-threading orientation fine-tuning component includes: a z-axis linear module 41, an x-axis linear module 42, and a y-axis linear module 43. The z-axis linear module 41 is fixedly installed on the middle side of the frame 1, the x-axis linear module 42 is fixedly installed on the output end of the z-axis linear module 41, and the y-axis linear module 43 is fixedly installed on the output end of the x-axis linear module 42.

[0062] like Figure 10 , Figure 11 , Figure 12As shown, the vertical wire conveying mechanism 4 further includes: a shaped frame 44, an upper guide wheel 45, an upper conductive block 46, a fixed guide tube 47, a driving conveying wheel 48, a moving block 49, a driven conveying wheel 410, a spring 411, and a hollow screw 412. The shaped frame 44 is fixedly installed at the output end of the y-axis linear module 43. The upper guide wheel 45 is rotatably connected to the front side of the shaped frame 44 via a rotating shaft. The upper conductive block 46 is fixedly installed on the left side of the shaped frame 44. The fixed guide tube 47 is fixedly installed on the shaped frame 44. The driving conveying wheel 48 is rotatably connected to the output end of the y-axis linear module 43 via a rotating shaft. The active conveying wheel 48 is located on the right side of the fixed guide tube 47 and is attached to the irregular frame 44. The moving block 49 is slidably connected to the irregular frame 44, and the driven conveying wheel 410 is rotatably connected to the moving block 49 via a rotating shaft. One end of the spring 411 is fixedly installed on the moving block 49, and the hollow screw 412 is threadedly connected to the irregular frame 44. The other end of the spring 411 is located inside the hollow screw 412. A second motor 413 is fixedly installed on the front side of the irregular frame 44, and the output end of the second motor 413 is fixedly connected to the rotating shaft of the active conveying wheel 48.

[0063] The z-axis linear module 41, x-axis linear module 42, and y-axis linear module 43 are used to adjust the position of the irregular frame 44, so that the fixed guide tube 47 on the irregular frame 44 is coaxial with the opening on the workpiece. The wire take-up and release mechanism 2 releases the wire, and after passing through the wire tensioning mechanism 3, the wire moves to the position of the upper conductive block 46 and the upper guide wheel 45 of the irregular frame 44 and enters the fixed guide tube 47. The output shaft of the second motor 413 rotates, driving the active conveying wheel 48 to rotate. The rotation of the active conveying wheel 48 cooperates with the driven conveying wheel 410 to convey the wire downward. The hollow screw 412 is rotated to adjust the pressure of the spring 411 on the moving block 49, so that the vertical wire conveying mechanism 4 can adapt to the conveying of wires of different specifications.

[0064] The upper conductive block 46 is used for conducting electricity.

[0065] The vertical wire conveying mechanism 4 further includes a quick tube changing assembly, which is mounted on the irregular frame 44. The quick tube changing assembly includes a first linear module 414, a third motor 415, a disc 416, and extension tubes 417. The first linear module 414 is fixedly mounted on the irregular frame 44. The third motor 415 is fixedly mounted on the output end of the first linear module 414. The disc 416 is fixedly mounted on the output shaft of the third motor 415. Multiple extension tubes 417 are fixedly mounted on the disc 416, and each extension tube 417 has a different size.

[0066] The output end of the first linear module 414 of the quick tube changing assembly moves downward, causing the extension tube 417 to move downward. The extension tube 417 and the fixed guide tube 47 separate. The output shaft of the third motor 415 rotates, causing the disc 416 to rotate. The rotation of the disc 416 causes the extension tube 417 to move accordingly. The extension tube 417 moves to the preset position. The output end of the first linear module 414 moves upward, causing the extension tube 417 to move upward. The new extension tube 417 and the fixed guide tube 47 are in close contact. Different extension tubes 417 can be replaced according to different wire sizes. The appropriate extension tube 417 can drill the workpiece to the appropriate size, while limiting the wire feeding to the maximum extent, avoiding excessive deviation during wire feeding due to mismatch between the wire and the extension tube 417.

[0067] Example 3: In some embodiments, such as Figures 1-16 As shown, in a preferred embodiment of the present invention, the winding assembly includes: a second linear module 21, a take-up drum 22, and a fourth motor 23. The second linear module 21 is fixedly installed on the left side of the frame 1. The take-up drum 22 is rotatably connected to the output end of the second linear module 21 via a rotating shaft. The fourth motor 23 is fixedly installed on the output end of the second linear module 21, and the output shaft of the fourth motor 23 is fixedly connected to the rotating shaft of the take-up drum 22. The elastic clamping assembly is installed on the end of the take-up drum 22. The magnetic unlocking assembly is installed on the output end of the second linear module 21 and is located below the take-up drum 22. When the elastic clamping assembly is rotated to its lowest position, it is located directly above the magnetic unlocking assembly.

[0068] The elastic clamping assembly includes a pressure plate 24 and a torsion spring 25. The pressure plate 24 is rotatably connected to the end of the take-up drum 22 via a rotating shaft. The torsion spring 25 is located on the rotating shaft of the pressure plate 24. One end of the torsion spring 25 is fixedly installed on the pressure plate 24, and the other end of the torsion spring 25 is fixedly installed on the take-up drum 22.

[0069] The magnetic unlocking component includes an electromagnet 26, which is fixedly installed at the output end of the second linear module 21 and located below the take-up drum 22. When the pressure plate 24 of the elastic clamping component is rotated to the lowest point, it is located directly above the electromagnet 26. The pressure plate 24 is a magnetic metal that can be attracted by a magnet.

[0070] like Figure 5 , Figure 6 , Figure 7As shown, when the electromagnet 26 is activated, it attracts the pressure plate 24. The torsion spring 25 undergoes elastic deformation, and the pressure plate 24 is in the open state, separating from the take-up drum 22. The take-up drum 22 of the wire take-up and un take-up mechanism 2 is wound with wire. After the end of the wire away from the take-up drum 22 passes through the workpiece, it is conveyed to the position of the take-up drum 22. When the electromagnet 26 is turned off, the elastically deformed torsion spring 25 returns to its original state and pushes the pressure plate 24 back to the position of the take-up drum 22, clamping the wire. The output shaft of the fourth motor 23 rotates, driving the take-up drum 22 to rotate and winding the wire onto the take-up drum 22. At the same time, the output end of the second linear module 21 moves back and forth, driving the take-up drum 22 to move back and forth, so that the wire is evenly wound on the take-up drum 22.

[0071] like Figure 8 As shown, the wire tensioning mechanism 3 includes: auxiliary wheels 31, vertical blocks 32, moving wheels 33, limiting rods 34, and counterweights 35. Multiple auxiliary wheels 31 are rotatably connected to the middle side of the frame 1 via rotating shafts. The vertical blocks 32 are slidably connected to the frame 1. The moving wheels 33 are rotatably connected to the middle side of the vertical blocks 32 via rotating shafts. Two limiting rods 34 are fixedly installed on the vertical blocks 32. The counterweights 35 are slidably connected to the limiting rods 34, which limit the counterweights 35.

[0072] The thread is set on multiple auxiliary wheels 31 and movable wheels 33. A preset appropriate counterweight 35 is added to the vertical block 32. The vertical block 32 moves downward, driving the movable wheel 33 to move downward. The movable wheel 33 moves downward, tightening the thread. The tension of the thread can be adjusted by adjusting the number and specifications of the counterweight 35.

[0073] like Figure 9 As shown, the workpiece driving mechanism 5 includes a third linear module 51, a fourth linear module 52, and a workpiece stage 53. The third linear module 51 is fixedly installed on the right side of the frame 1, the fourth linear module 52 is fixedly installed on the output end of the third linear module 51, and the workpiece stage 53 is fixedly installed on the output end of the fourth linear module 52.

[0074] The workpiece is clamped and placed on the workpiece stage 53, and is driven to move horizontally for processing by the third linear module 51 and the fourth linear module 52.

[0075] 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. A highly stable automatic wire cutting and unsplitting device, comprising a frame (1), characterized in that, The left side of the frame (1) is equipped with a wire winding and unwinding mechanism (2) for winding and unwinding wires. The middle side of the frame (1) is equipped with a wire tensioning mechanism (3) for adjusting the wire tension. The upper side of the frame (1) is equipped with a vertical wire conveying mechanism (4) for guiding the wires downward and assisting in threading. The right side of the frame (1) is equipped with a workpiece driving mechanism (5) for clamping and driving the workpiece to move. The lower side of the frame (1) is equipped with a horizontal wire conveying mechanism (6) for receiving the wires passing through the workpiece and conveying them to the wire winding and unwinding mechanism (2). The thread take-up and undo mechanism (2) includes: a take-up assembly, an elastic clamping assembly and a magnetic unlocking assembly. The take-up assembly is installed on the left side of the frame (1). The elastic clamping assembly is installed on the end of the take-up part of the take-up assembly. The magnetic unlocking assembly is installed on the take-up assembly and is located below the take-up part of the take-up assembly. When the elastic clamping assembly is rotated to the lowest point, it is located directly above the magnetic unlocking assembly. The transverse conveying mechanism (6) for the silk thread includes: an L-shaped moving component, a clamping component and an offset receiving component. The L-shaped moving component is installed on the lower side of the frame (1), the clamping component is installed on the output end of the L-shaped moving component, and the offset receiving component is installed on the upper side of the L-shaped moving component. The L-shaped moving assembly includes: a transverse support frame (61), a shaped guide rail (62), a shaped slider (63), a rack (64), a first motor (65), and a gear (66). The transverse support frame (61) is fixedly installed on the lower side of the frame (1). The shaped guide rail (62) is fixedly installed on the transverse support frame (61). The shaped slider (63) is slidably connected to the shaped guide rail (62). The rack (64) is fixedly installed on the transverse support frame (61). The first motor (65) is fixedly installed on the shaped slider (63). The gear (66) is fixedly installed on the output shaft of the first motor (65). The gear (66) and the rack (64) mesh with each other. The clamping assembly includes: a jaw (67) and a clamping head (68), wherein the jaw (67) is fixedly mounted on the irregularly shaped slider (63), and the clamping head (68) is fixedly mounted on the output end of the jaw (67); The offset receiving assembly includes: a fixed frame (69), a first cylinder (610), a sliding plate (611), a second cylinder (612), and a receiving pipe (613). The fixed frame (69) is slidably connected to the transverse support frame (61). The first cylinder (610) is fixedly installed on the transverse support frame (61). The output end of the first cylinder (610) is fixedly connected to the fixed frame (69). The sliding plate (611) is slidably connected to the fixed frame (69). The second cylinder (612) is fixedly installed on the fixed frame (69). The output end of the second cylinder (612) is fixedly connected to the sliding plate (611). The receiving pipe (613) is fixedly installed on the sliding plate (611).

2. The high-stability automatic wire cutting device according to claim 1, characterized in that, A third cylinder (614) is fixedly installed on the middle side of the transverse support frame (61), and a lower conductive block (615) is fixedly installed at the output end of the third cylinder (614).

3. The high-stability automatic wire cutting device according to claim 2, characterized in that, The vertical silk conveying mechanism (4) includes: a needle-threading orientation fine-tuning component, which is installed on the middle side of the frame (1).

4. The high-stability automatic wire cutting device according to claim 3, characterized in that, The vertical thread conveying mechanism (4) further includes: a shaped frame (44), an upper guide wheel (45), an upper conductive block (46), a fixed guide tube (47), an active conveying wheel (48), a moving block (49), a driven conveying wheel (410), a spring (411), and a hollow screw (412). The shaped frame (44) is mounted on the needle-threading position fine-tuning assembly. The upper guide wheel (45) is rotatably connected to the front side of the shaped frame (44) via a rotating shaft. The upper conductive block (46) is fixedly mounted on the left side of the shaped frame (44). The fixed guide tube (47) is fixedly mounted on the shaped frame (44). The active conveying wheel (48) is rotatably connected to the upper guide wheel (48) via a rotating shaft. On the shaped frame (44), the active conveying wheel (48) is located on the right side of the fixed guide tube (47), the moving block (49) is slidably connected to the shaped frame (44), the driven conveying wheel (410) is rotatably connected to the moving block (49) through a rotating shaft, one end of the spring (411) is fixedly installed on the moving block (49), the hollow screw (412) is threadedly connected to the shaped frame (44), the other end of the spring (411) is located inside the hollow screw (412), a second motor (413) is fixedly installed on the front side of the shaped frame (44), and the output end of the second motor (413) is fixedly connected to the rotating shaft of the active conveying wheel (48).

5. The high-stability automatic wire cutting device according to claim 4, characterized in that, The vertical wire conveying mechanism (4) further includes a quick tube changing assembly, which is mounted on the irregular frame (44). The quick tube changing assembly includes a first linear module (414), a third motor (415), a disc (416), and extension tubes (417). The first linear module (414) is fixedly mounted on the irregular frame (44). The third motor (415) is fixedly mounted on the output end of the first linear module (414). The disc (416) is fixedly mounted on the output shaft of the third motor (415). Multiple extension tubes (417) are fixedly mounted on the disc (416), and each extension tube (417) has a different size.

6. The high-stability automatic wire cutting device according to claim 1, characterized in that, The winding assembly includes: a second linear module (21), a take-up drum (22), and a fourth motor (23). The second linear module (21) is fixedly installed on the left side of the frame (1). The take-up drum (22) is rotatably connected to the output end of the second linear module (21) via a rotating shaft. The fourth motor (23) is fixedly installed on the output end of the second linear module (21). The output shaft of the fourth motor (23) is fixedly connected to the rotating shaft of the take-up drum (22). The elastic clamping assembly is installed on the end of the take-up drum (22). The magnetic unlocking assembly is installed on the output end of the second linear module (21) and located below the take-up drum (22). When the elastic clamping assembly rotates to its lowest position, it is located directly above the magnetic unlocking assembly.

7. The high-stability automatic wire cutting device according to claim 6, characterized in that, The elastic clamping assembly includes: a pressure plate (24) and a torsion spring (25). The pressure plate (24) is rotatably connected to the end of the take-up drum (22) via a rotating shaft. The torsion spring (25) is located on the rotating shaft of the pressure plate (24). One end of the torsion spring (25) is fixedly installed on the pressure plate (24), and the other end of the torsion spring (25) is fixedly installed on the take-up drum (22). The magnetic unlocking component includes an electromagnet (26), which is fixedly installed at the output end of the second linear module (21) and located below the take-up drum (22). When the pressure plate (24) of the elastic clamping component is rotated to the lowest position, it is located directly above the electromagnet (26).

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