Automatic threading panel structure of slow wire cutting machine and working process thereof

Abstract

The present application relates to the technical field of slow wire cutting machine, and provides an automatic threading panel structure of slow wire cutting machine and a working process thereof, which comprises a panel, a wire feeding mechanism, a wire straightening mechanism, a tensioning mechanism, a heating and straightening mechanism, an automatic threading mechanism and a fuse mechanism are arranged on the panel; when the fuse mechanism works, the electrode wire can conduct current to the copper block through the electrode wire, so that the electrode wire in the threading tube is hardened, the cross section of the hardened electrode wire is smoother, and the success rate of the next threading is improved; the water pressure adjusting valve is arranged, the hollow water column is sprayed by adjusting the water pressure to wrap the electrode wire, the electrode wire does not shake, and the success rate of the threading is improved.

Description

Technical Field

[0001] This invention relates to the field of slow wire EDM machine technology, and in particular to an automatic wire threading panel structure and its working process for a slow wire EDM machine. Background Technology

[0002] Slow-speed wire EDM is a type of electrical discharge wire cutting that uses a continuously moving fine metal wire as an electrode to remove metal and cut the workpiece using pulsed spark discharge. It is mainly used to process various complex and precision small workpieces. Because slow-speed wire EDM machines adopt a continuous wire electrode feeding method, that is, the wire electrode completes the processing during the movement, even if the wire electrode is worn out, it can be continuously replenished, thus improving the machining accuracy of parts.

[0003] With the continuous advancement of wire electrical discharge machining (EDM) technology, the requirements for workpiece machining accuracy and surface roughness are becoming increasingly stringent, placing higher demands on the wire feeding system. In recent years, the development of slow-wire EDM machines has been extremely rapid, with significant breakthroughs in machining accuracy, surface roughness, and cutting speed. This has also placed higher demands on the stability and precision of the cutting machine control system. Constant speed and constant tension control of the wire feeding mechanism is a crucial indicator for evaluating the performance of slow-wire EDM machines, directly affecting the workpiece machining accuracy and surface quality. However, existing control mechanisms do not provide sufficient stability and precision for cutting machine control, failing to meet the requirements of high-level EDM technology. This results in a high wire breakage rate during processing, impacting production efficiency. Summary of the Invention

[0004] To address the above problems, the present invention provides the following technical solution:

[0005] This invention provides an automatic wire threading panel structure for a slow wire EDM machine, comprising a panel, wherein the panel is provided with:

[0006] The wire supply mechanism includes a wire supply reel and a wire supply motor;

[0007] A yarn-forming mechanism includes a yarn-forming wheel and a balancing wheel, wherein the balancing wheel is disposed between the yarn-forming wheels;

[0008] The tensioning mechanism includes a servo motor, a tension wheel, and a pressure wheel. The pressure wheel is arranged around the tension wheel, and the servo motor controls the rotation direction and speed of the tension wheel.

[0009] The heating and straightening mechanism includes a copper block, a miniature cylinder, and a straightener, wherein the straightener has a space for the copper block to move within it;

[0010] An automatic threading mechanism includes a sliding seat and a threading tube, wherein the threading tube can move with the sliding seat to the head of the cutting machine;

[0011] The fuse mechanism includes a clamping cylinder, a ceramic ring, and a conductive block. Under the action of the clamping cylinder, the ceramic ring and the conductive block are clamped together, thereby melting the electrode wire.

[0012] A cutting machine head fixing seat is provided inside the cutting machine head fixing seat;

[0013] While the conductive block conducts electricity, the miniature cylinder pushes the copper block into the copper block's moving space, and conducts current / voltage to the copper block through the electrode wire, thereby hardening the electrode wire between the heating and straightening mechanism and the fuse mechanism.

[0014] Furthermore, the panel is provided with an arc-shaped groove, and the balance wheel is configured to slide within the arc-shaped groove for automatic adjustment of tension.

[0015] Furthermore, the fuse mechanism also includes a clamping cylinder mounting base, a first fixing block, a second fixing block, and a clamping block. The clamping cylinder is fixed inside the clamping cylinder mounting base, and the telescopic rod of the clamping cylinder is connected to the first fixing block. The first fixing block is provided with a ceramic ring and a clamping block. The second fixing block is also fixed inside the clamping cylinder mounting base, and the second fixing block is provided with a conductive block.

[0016] Furthermore, the panel is also provided with a wire clamping mechanism, which is located between the tensioning mechanism and the automatic threading mechanism. The wire clamping mechanism includes a first wire clamping wheel, a second wire clamping wheel, and a wire clamping cylinder. The second wire clamping wheel is fixedly mounted on the panel, and the first wire clamping wheel is clamped to the second wire clamping wheel under the action of the wire clamping cylinder.

[0017] Furthermore, the panel is also provided with a waste material handling mechanism, which is located below the fuse mechanism. The waste material handling mechanism includes a waste material box, a waste wire clamping cylinder, and a waste wire clamping block. The waste wire clamping cylinder is connected to the waste wire clamping block, and under the action of the waste wire clamping cylinder, the waste wire clamping block is moved to the waste material box.

[0018] Furthermore, the upper head of the cutting machine is provided with a clearance mechanism, which includes a clearance cylinder and a clearance block. The upper head of the cutting machine is provided with a space for the clearance block to move. The clearance block is set in the space for the clearance block to move. When punching the wire, the clearance block retracts under the action of the clearance cylinder, so that the electrode wire passes through the upper head of the cutting machine.

[0019] Furthermore, the panel is also equipped with a pressure regulating valve for regulating the air pressure inside the wire-threading tube and cooling it.

[0020] Furthermore, the panel is also equipped with a wire-punching water pressure regulating valve, which adjusts the water pressure of the hollow water column to keep the electrode wire between the cutting machine head and the heating and straightening mechanism perpendicular.

[0021] This invention also provides a workflow for an automatic wire threading panel of a slow wire EDM machine, the workflow being as follows:

[0022] (1) Start the wire feeding motor, and the wire feeding wheel begins to feed wire;

[0023] (2) The tension of the electrode wire is adjusted by the wire straightening mechanism and the tensioning mechanism, and the servo motor controls the tension wheel to rotate clockwise;

[0024] (3) The first wire clamping wheel clamps the electrode wire with the second wire clamping wheel under the action of the wire clamping cylinder;

[0025] (4) The electrode wire passes through the straightener and the wire-threading tube in sequence;

[0026] (5) Under the action of the sliding seat, the wire tube is moved to the upper head of the cutting machine and the electrode wire is transferred to the upper head of the cutting machine;

[0027] (6) The sliding seat returns to its original position, and at the same time, the punching water pressure regulating valve is controlled so that the hollow water jet from the water pipe at the machine head of the cutting machine wraps the electrode wire and controls the electrode wire to prevent it from shaking.

[0028] (7) Under the action of the relief cylinder, the relief block retracts, allowing the electrode wire to pass through the upper head of the cutting machine and begin processing the workpiece.

[0029] Furthermore, the workflow when it is necessary to change the machining hole position is as follows:

[0030] The ceramic ring of the fuse mechanism is pressed against the conductive block by the clamping cylinder. When current / voltage is supplied to the conductive block, the micro cylinder pushes the copper block into the copper block's moving space and conducts the current / voltage to the copper block through the electrode wire. The control air pressure regulating valve regulates the air pressure in the wire-threading tube and cools it, so that the electrode wire between the heating straightening mechanism and the fuse mechanism hardens. The tension wheel rotates counterclockwise under the action of the servo motor to straighten the electrode wire.

[0031] After the electrode wire melts, the tension wheel rotates clockwise under the action of the servo motor and triggers the waste wire clamping cylinder to move the waste wire clamping block to the waste box, where the waste falls into the waste box; the wire melting mechanism and the waste handling mechanism return to their original positions.

[0032] The sliding seat moves the wire tube to the upper head of the cutting machine, and continues to transmit the electrode wire to the upper head of the cutting machine.

[0033] The present invention has the following beneficial effects:

[0034] (1) The tensioning mechanism of the present invention consists of multiple pressure rollers respectively arranged around the tensioning roller, which can uniformly press the tensioning roller to provide tension to the electrode wire, thereby protecting the electrode wire and preventing wire breakage, thus improving safety performance.

[0035] (2) The panel of the present invention is provided with an arc-shaped sliding groove, and the balance wheel can adjust the electrode wire by itself so that the electrode wire always maintains a certain tension;

[0036] (3) The present invention is provided with a heating and straightening mechanism. When the fuse mechanism is working, the current can be conducted to the copper block through the electrode wire, so that the electrode wire in the wire-threading tube is hardened. The hardened electrode wire has a flatter cross section that is easier to melt and break, thus improving the success rate of the next wire threading.

[0037] (4) The present invention is equipped with a wire threading water pressure regulating valve. By adjusting the water pressure, a hollow water column is sprayed out to wrap the electrode wire, so that the electrode wire does not shake and the success rate of threading is improved. Attached Figure Description

[0038] Figure 1 This is a plan view of the panel structure of the present invention.

[0039] Figure 2 This is a schematic diagram of the threading process of the present invention.

[0040] Figure 3 This is a schematic diagram of the tensioning mechanism of the present invention.

[0041] Figure 4 This is a schematic diagram of the heating and straightening mechanism of the present invention.

[0042] Figure 5 This is a schematic diagram of the automatic threading mechanism of the present invention.

[0043] Figure 6 This is a schematic diagram of the fuse mechanism of the present invention.

[0044] Figure 7 This is a schematic diagram of the yielding mechanism of the present invention.

[0045] Figure 8 This is a schematic diagram of the wire clamping mechanism of the present invention.

[0046] Figure 9 This is a schematic diagram of the waste treatment mechanism of the present invention.

[0047] Figure 10 This is a flowchart of the process of the present invention.

[0048] Figure 11 This is a flowchart illustrating the process of changing the machining hole position in this invention. Detailed Implementation

[0049] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments are only specific illustrations of the invention and should not be regarded as limitations on the invention. The purpose of the embodiments is to enable those skilled in the art to better understand and reproduce the technical solution of the present invention. The scope of protection of the present invention should still be determined by the scope defined in the claims.

[0050] like Figure 1-2 As shown, the present invention provides an automatic wire threading panel structure for a slow wire EDM machine, including a panel 1, wherein the panel 1 is provided with:

[0051] The wire supply mechanism 2 includes a wire supply wheel 21 and a wire supply motor, wherein the wire supply motor provides power to the wire supply wheel 21;

[0052] The yarn straightening mechanism 3 includes a yarn straightening wheel 31 and a balance wheel 32. The balance wheel 32 is disposed between the yarn straightening wheels 31. The panel 1 is provided with an arc-shaped groove 1a. The balance wheel 32 is configured to slide within the arc-shaped groove 1a for automatically adjusting the tension.

[0053] Preferably, a cleaning wheel 40 is provided between the wire straightening mechanism 3 and the tensioning mechanism 4 to clean impurities on the metal wire.

[0054] like Figure 3 As shown, the tensioning mechanism 4 includes a servo motor, a tension wheel 41, and pressure wheels. The pressure wheels are arranged around the tension wheel. The servo motor controls the rotation direction and speed of the tension wheel. The servo motor is connected to the tension wheel 41 and controls its rotation direction and speed. The pressure wheels assist in pressing the wire. The tensioning mechanism 4 provides tension to the metal wire, thus protecting it. Preferably, the pressure wheels are evenly distributed around the tension wheel 41. Three pressure wheels are optimally provided: a first pressure wheel 421, a second pressure wheel 422, and a third pressure wheel 423. The first and second pressure wheels 421 and 422 are made of rubber, and the third pressure wheel 423 is made of ceramic. The first and second pressure wheels 421 and 422 are located near the wire feeding mechanism 2.

[0055] Preferably, a sizing wheel is further provided between the clearing wheel 40 or the sizing mechanism 3 and the tensioning mechanism 4, and this sizing wheel is located below the tensioning mechanism 4.

[0056] like Figure 4As shown, the heating and straightening mechanism 10 includes a copper block 101, a miniature cylinder 102, and a straightener 103. The straightener 103 has a copper block movement space 104. The copper block 101 is configured to be pushed into the copper block movement space 104 by the miniature cylinder 102. To limit the range of movement of the copper block 101, a baffle 105 can be provided between the miniature cylinder 102 and the copper block 101. Preferably, the outlet of the straightener 103 and the inlet of the wire-threading tube 52 are located on the same axis, and the electrode wire enters the wire-threading tube 52 through the calibration of the straightener 103.

[0057] like Figure 5 As shown, the automatic wire threading mechanism 5 includes a sliding seat 51 and a wire threading tube 52. The wire threading tube 52 is fixed inside the sliding seat 51 and can move with the sliding seat 51 to the upper head 110 of the cutting machine. The automatic wire threading mechanism 5 also includes a slide rail 53, a slider 54, a connecting plate 55, a cylinder fixing seat 56, and a cylinder 57. The slide rail 53 and the cylinder fixing seat 56 are disposed on the panels 1 on both sides of the wire threading tube 52. The cylinder 57 is disposed inside the cylinder fixing seat 56. The piston of the cylinder 57 is connected to the sliding seat 51 through the connecting plate 55. The sliding seat 51 is connected to the slider 54. A wire threading tube guide seat 58 is provided below the wire threading tube 52 to guide the wire threading tube 52 and ensure that the wire threading tube 52 can accurately pass through the wire melting mechanism 6 and the waste material handling mechanism 8 and be delivered to the upper head 110 of the cutting machine. The wire threading tube guide seat 58 is provided with a first through hole.

[0058] like Figure 6 As shown, the fuse mechanism 6 includes a clamping cylinder 62, a ceramic ring 65, and a conductive block 66. Under the action of the clamping cylinder 62, the ceramic ring 65 and the conductive block 66 are clamped together, thereby melting the electrode wire. The fuse mechanism 6 also includes a clamping cylinder fixing seat 61, a first fixing block 63, a second fixing block 64, and a clamping block 67. The clamping cylinder 62 is fixed in the clamping cylinder fixing seat 61. The telescopic rod of the clamping cylinder 62 is connected to the first fixing block 63. The first fixing block 63 contains the ceramic ring 65 and the clamping block 67. The second fixing block 64 is also fixed in the clamping cylinder fixing seat 61. The second fixing block 64 contains the conductive block 66. While the conductive block 66 conducts electricity, the micro cylinder 102 pushes the copper block 101 into the copper block moving space 104, and conducts current / voltage to the copper block 101 through the electrode wire, thereby hardening the electrode wire between the heating straightening mechanism 10 and the fuse mechanism 6.

[0059] Preferably, the clamping cylinder fixing seat 61 is provided with a second through hole, which corresponds to the first through hole in the wire threading tube guide seat. By supplying current and voltage to the conductive block 66, the wire melting mechanism 6 melts the metal wire in the automatic wire threading mechanism 5.

[0060] The upper head fixing seat 11 is provided with a cutting machine upper head 110 fixedly installed inside the upper head fixing seat 11; a water pipe is provided at the upper head 110 of the cutting machine, which can spray out a hollow water column.

[0061] like Figure 7 As shown, the upper head 110 of the cutting machine is provided with a clearance mechanism 13, which includes a clearance cylinder 131 and a clearance block 132. The upper head 110 of the cutting machine has a space 133 for the clearance block to move within, and the clearance block 132 is disposed within the space 133. The clearance cylinder 131 is fixed within the upper head fixing seat 11. During wire punching, the clearance block 132 retracts under the action of the clearance cylinder 131, allowing the electrode wire to pass through the upper head 110 of the cutting machine.

[0062] like Figure 8 As shown, the panel 1 is also provided with a wire clamping mechanism 7, which is disposed between the tensioning mechanism 4 and the automatic threading mechanism 5. The wire clamping mechanism 7 includes a first wire clamping wheel 71, a second wire clamping wheel 72, and a wire clamping cylinder 73. The second wire clamping wheel 72 is fixedly disposed on the panel 1. The first wire clamping wheel 71 is clamped with the second wire clamping wheel 72 under the action of the wire clamping cylinder 73. The wire clamping mechanism 7 also includes a wire clamping connecting plate 76, a connecting shaft 74, and a wire clamping wheel fixing seat 75. The first wire clamping wheel 71 is disposed in the wire clamping wheel fixing seat 75. The first wire clamping wheel 71 is provided with a connecting shaft 74. The first wire clamping wheel 71 is fixed to the wire clamping wheel fixing seat 75 through the connecting shaft 74. The telescopic rod of the wire clamping cylinder 73 and the wire clamping wheel fixing seat 75 are both fixedly connected to the wire clamping connecting plate 76. Under the drive of the wire clamping cylinder 73, the first wire clamping wheel 71 is moved, so that the first wire clamping wheel 71 is clamped with the second wire clamping wheel 72. A guide tube 77 is also provided between the first clamping wheel 71 and the second clamping wheel 72. The contact vertical surfaces of the first clamping wheel 71 and the second clamping wheel 72 are the same vertical surfaces as the contact vertical surfaces of the pressure wheel (third pressure wheel) and the tension wheel 41 on the side away from the wire supply mechanism 2.

[0063] like Figure 9As shown, the panel 1 is also equipped with a waste material handling mechanism 8, which is located below the fuse mechanism 6. The waste material handling mechanism 8 includes a waste material box 81, a waste wire clamping cylinder 82, and a waste wire clamping block 83. The waste wire clamping cylinder 82 is connected to the waste wire clamping block 83. Under the action of the waste wire clamping cylinder 82, the waste wire clamping block 83 is moved to the waste material box 81. The waste wire clamping block 83 is provided with a third through hole 831, through which the electrode wire passes. When the fuse mechanism 6 melts the electrode wire, the waste wire clamping cylinder 82 moves the waste wire clamping block 83 to the waste material box 81, and the waste material falls directly into the waste material box 81 from the third through hole 831. In addition, an air blowing valve 84 can also be provided on the waste wire clamping block 83. When the waste wire clamping cylinder moves the waste wire clamping block to the waste material box, the air blowing valve is controlled to blow the waste material that cannot fall directly into the waste material box into the waste material box.

[0064] In some preferred embodiments, the panel 1 is also provided with a pressure regulating valve 9, which is used to regulate the air pressure in the wire threading tube 52 and cool it down. Then, under the action of the micro cylinder 102, the copper block 101 is pushed to contact the electrode wire in the straightener 103. While the conductive block 66 conducts electricity, the current is conducted to the copper block through the electrode wire, so that the electrode wire in the wire threading tube 52 hardens. The hardened electrode wire has a flatter cross section that is easier to melt and break, which improves the success rate of the next wire threading.

[0065] In some preferred embodiments, the panel 1 is also provided with a wire-threading water pressure regulating valve 12, which adjusts the water pressure of the hollow water column to keep the electrode wire vertical. Specifically, the hollow water column sprayed from the water pipe at the machine head 110 of the cutting machine wraps the electrode wire. By controlling the water pressure of the hollow water column, the electrode wire is prevented from shaking, thereby improving the success rate of wire threading.

[0066] like Figure 10 As shown, the present invention provides a working process for an automatic wire threading panel of a slow wire EDM machine, the working process being as follows:

[0067] S1, start the wire feeding motor, and wire feeding wheel 21 begins to feed wire;

[0068] S2, the tension of the electrode wire is adjusted by the wire straightening mechanism 3 and the tensioning mechanism 4, and the servo motor controls the tension wheel 41 to rotate clockwise;

[0069] S3, the first wire clamping wheel 71 clamps the electrode wire with the second wire clamping wheel 72 under the action of the wire clamping cylinder 73;

[0070] S4, the electrode wire passes through the straightener 103 and the wire-passing tube 52 in sequence;

[0071] S5, under the action of the sliding seat 51, the wire tube 52 is moved to the upper head 110 of the cutting machine and the electrode wire is transferred to the upper head 110 of the cutting machine.

[0072] S6, the sliding seat 51 returns to its original position, and at the same time controls the punching water pressure regulating valve 12, so that the hollow water jet from the water pipe at the upper head 110 of the cutting machine wraps the electrode wire and controls the electrode wire to prevent it from shaking.

[0073] S7, under the action of the yielding cylinder 131, the yielding block 132 retracts, allowing the electrode wire to pass through the upper head 110 of the cutting machine and begin processing the workpiece.

[0074] like Figure 11 The workflow when it is necessary to change the machining hole position is as follows:

[0075] S8, the ceramic ring 65 of the fuse mechanism 6 is pressed against the conductive block 66 by the clamping cylinder 62. When current / voltage is supplied to the conductive block 66, the micro cylinder 102 pushes the copper block 101 into the copper block moving space 104 and conducts the current / voltage to the copper block 101 through the electrode wire. The control air pressure regulating valve 9 regulates the air pressure in the wire-threading tube and cools it, so that the electrode wire between the heating straightening mechanism 10 and the fuse mechanism 6 hardens. And the tension wheel 41 rotates counterclockwise under the action of the servo motor to straighten the electrode wire.

[0076] S9, after the electrode wire is completely melted, the tension wheel 41 rotates clockwise under the action of the servo motor and triggers the waste wire clamping cylinder 82 to move the waste wire clamping block 83 to the waste box 81, and the waste falls into the waste box 81; the fuse mechanism 6 and the waste processing mechanism 8 return to their original positions.

[0077] S10, under the action of the sliding seat 51, the wire tube 52 is moved to the upper head 110 of the cutting machine, and the electrode wire is continued to be transmitted to the upper head 110 of the cutting machine; continue to execute steps (6) and (7).

[0078] It should be noted that any technical features not described in detail in this invention can be implemented using any existing technology.

[0079] Although preferred embodiments of this application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this application.

Claims

1. The automatic wire threading panel structure of a slow wire EDM machine, characterized in that, Includes a panel, wherein the panel is provided with: The wire supply mechanism includes a wire supply reel and a wire supply motor; A yarn-forming mechanism includes a yarn-forming wheel and a balancing wheel, wherein the balancing wheel is disposed between the yarn-forming wheels; The tensioning mechanism includes a servo motor, a tension wheel, and a pressure wheel. The pressure wheel is arranged around the tension wheel, and the servo motor controls the rotation direction and speed of the tension wheel. The heating and straightening mechanism includes a copper block, a miniature cylinder, and a straightener, wherein the straightener has a space for the copper block to move within it; An automatic threading mechanism includes a sliding seat and a threading tube, wherein the threading tube can move with the sliding seat to the head of the cutting machine; The fuse mechanism includes a clamping cylinder, a ceramic ring, and a conductive block. Under the action of the clamping cylinder, the ceramic ring and the conductive block are clamped together, thereby melting the electrode wire. A cutting machine head fixing seat is provided inside the cutting machine head fixing seat; The panel is also equipped with a pressure regulating valve, which is used to regulate the air pressure in the wire-threading tube and cool it down; When it is necessary to change the machining hole position, the ceramic ring of the fuse mechanism is pressed against the conductive block by the clamping cylinder. When current / voltage is provided to the conductive block, the micro cylinder pushes the copper block into the copper block's moving space. The current / voltage is conducted to the copper block through the electrode wire. The air pressure regulating valve is controlled to regulate the air pressure in the wire threading tube and cool it, so that the electrode wire between the heating straightening mechanism and the fuse mechanism hardens. The tension wheel rotates counterclockwise under the action of the servo motor to straighten the electrode wire.

2. The automatic wire threading panel structure of the slow wire EDM machine according to claim 1, characterized in that, The panel is provided with an arc-shaped groove, and the balance wheel is configured to slide within the arc-shaped groove for automatic adjustment of tension.

3. The automatic wire threading panel structure of the slow wire EDM machine according to claim 1, characterized in that, The fuse mechanism further includes a clamping cylinder mounting base, a first fixing block, a second fixing block, and a clamping block. The clamping cylinder is fixed inside the clamping cylinder mounting base. The telescopic rod of the clamping cylinder is connected to the first fixing block. The first fixing block is provided with a ceramic ring and a clamping block. The second fixing block is also fixed inside the clamping cylinder mounting base. The second fixing block is provided with a conductive block.

4. The automatic wire threading panel structure of the slow wire EDM machine according to claim 3, characterized in that, The panel is also provided with a wire clamping mechanism, which is located between the tensioning mechanism and the automatic threading mechanism. The wire clamping mechanism includes a first wire clamping wheel, a second wire clamping wheel, and a wire clamping cylinder. The second wire clamping wheel is fixedly mounted on the panel, and the first wire clamping wheel is clamped to the second wire clamping wheel under the action of the wire clamping cylinder.

5. The automatic wire threading panel structure of the slow wire EDM machine according to claim 4, characterized in that, The panel is also equipped with a waste material handling mechanism, which is located below the fuse mechanism. The waste material handling mechanism includes a waste material box, a waste wire clamping cylinder, and a waste wire clamping block. The waste wire clamping cylinder is connected to the waste wire clamping block, and under the action of the waste wire clamping cylinder, the waste wire clamping block is moved to the waste material box.

6. The automatic wire threading panel structure of the slow wire EDM machine according to claim 5, characterized in that, The upper head of the cutting machine is equipped with a clearance mechanism, which includes a clearance cylinder and a clearance block. The upper head of the cutting machine has a space for the clearance block to move. The clearance block is set in the space for the clearance block to move. When threading the wire, the clearance block retracts under the action of the clearance cylinder, so that the electrode wire passes through the upper head of the cutting machine.

7. The automatic wire threading panel structure of the slow wire EDM machine according to claim 6, characterized in that, The panel is also equipped with a punching water pressure regulating valve, which adjusts the water pressure of the hollow water column to keep the electrode wire between the machine head of the cutting machine and the heating and straightening mechanism perpendicular.

8. The working process of the automatic wire threading panel of a slow wire EDM machine, characterized in that, The aforementioned workflow applies to the automatic wire threading panel structure of the slow wire cutting machine as described in claim 7, and the workflow is as follows: (1) Start the wire feeding motor, and the wire feeding wheel begins to feed wire; (2) The tension of the electrode wire is adjusted by the wire straightening mechanism and the tensioning mechanism, and the servo motor controls the tension wheel to rotate clockwise; (3) The first wire clamping wheel clamps the electrode wire to the second wire clamping wheel under the action of the wire clamping cylinder; (4) The electrode wire passes through the straightener and the wire-threading tube in sequence; (5) Under the action of the sliding seat, the wire tube is moved to the upper head of the cutting machine and the electrode wire is transferred to the upper head; (6) The sliding seat returns to its original position, and at the same time the punching water pressure regulating valve is controlled. The hollow water jet sprayed from the water pipe at the machine head of the cutting machine wraps the electrode wire, and controls the electrode wire to prevent it from shaking. (7) Under the action of the relief cylinder, the relief block retracts, allowing the electrode wire to pass through the upper head of the cutting machine and begin processing the workpiece.

9. The working process of the automatic wire threading panel of the slow wire EDM machine according to claim 8, characterized in that, The workflow also includes: After the electrode wire melts, the tension wheel rotates clockwise under the action of the servo motor and triggers the waste wire clamping cylinder to move the waste wire clamping block to the waste box, where the waste falls into the waste box; the wire melting mechanism and the waste handling mechanism return to their original positions. The sliding seat moves the wire tube to the upper head of the cutting machine, and continues to transmit the electrode wire to the upper head of the cutting machine.

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