Fully automatic EDM device

Abstract

The fully automatic EDM device comprises a machine body, on which are provided mutually cooperating support components, control components, auxiliary axis components, rotating axis components and operating units; wherein, an electrode recovery device, a long electrode anti-swing device and a three-coordinate measuring needle device are provided in cooperation with the auxiliary axis component; an electrode consumption detection device and an electrode automatic feeding device are provided in cooperation with the rotating axis component; during operation, the workpiece is clamped on the table; the machine tool confirms the position of the workpiece, and the three-coordinate measuring needle starts measuring; the electrode consumption is confirmed to confirm whether the electrode length meets the processing requirements; when the electrode length is insufficient, the electrode recovery device is activated to recover the waste electrode; then the electrode automatic feeding device is activated to complete the electrode automatic feeding action; when processing starts, the long electrode anti-swing device is activated, which is highly automated and improves efficiency.

Description

Technical Field

[0001] The invention relates to a full-automatic electric spark machining device. Background Art

[0002] Electrospark drilling technology is an effective technical means to achieve efficient processing of tiny holes on conductive materials such as metal alloys. The existing electrospark machining devices have the following disadvantages:

[0003] 1. The electrode consumption during processing cannot be detected.

[0004] 2. The processed electrodes need to be disassembled manually.

[0005] 3. The electrodes need to be installed manually.

[0006] 4. The workpiece placement needs to be manually positioned.

[0007] 5. The fine electrode swings during processing, affecting the processing. Summary of the invention

[0008] The purpose of the present invention is to provide a fully automatic electrical discharge machining device which is highly automated and improves efficiency.

[0009] To achieve the above object, the present invention adopts the following technical scheme:

[0010] The fully automatic electrospark machining device comprises a machine body, on which are provided mutually cooperating support components, control components, auxiliary axis components, rotating axis components and operating units; wherein, an electrode recovery device, a long electrode anti-swing device and a three-coordinate measuring needle device are provided in cooperation with the auxiliary axis component; an electrode consumption detection device and an electrode automatic feeding device are provided in cooperation with the rotating axis component.

[0011] Furthermore, the electrode consumption detection device comprises an electrode fixing assembly, an electrode and a positioning block which cooperate with each other; wherein, the electrode fixing assembly is arranged at the lower end of the rotating shaft of the rotating shaft assembly, the electrode is fixed in the electrode fixing assembly and maintains a fixed length in the electrode fixing assembly, the positioning block is arranged on the machine body, an upper inter-electrode wire which is conductive with the electrode fixing assembly is led out from the rotating shaft, a lower inter-electrode wire which is conductive with the positioning block is led out from the positioning block, when the rotating shaft descends, the electrode tip contacts the positioning block to make the upper inter-electrode wire and the lower inter-electrode wire conductive and generate a voltage, thereby calculating the electrode consumption.

[0012] Furthermore, the electrode recovery device includes a telescopic cylinder, a clamping cylinder and a clamping claw that cooperate with each other; wherein, the telescopic cylinder is arranged on the auxiliary shaft assembly, the clamping cylinder is fixed on the piston rod of the telescopic cylinder, the clamping claw is arranged on the clamping cylinder and is driven to open and close by the clamping cylinder, the piston rod of the telescopic cylinder extends to drive the clamping cylinder to the position of the electrode to be replaced, the clamping cylinder actuates the clamping claw to clamp the electrode, and when the piston rod of the telescopic cylinder retracts into place, the clamping claw is released to ensure that the waste electrode falls back into the recovery box.

[0013] Furthermore, the electrode automatic feeding device comprises the following mutually cooperating parts: a replaceable electrode barrel assembly, an electrode booster cylinder assembly, and a pusher block lifting cylinder assembly; wherein the electrode booster cylinder assembly comprises: an electrode barrel base fixed on the rotating shaft assembly, a cylinder base A fixed to the electrode barrel base, an electrode booster cylinder fixed on the cylinder base A, and a booster sheet metal fixed on the piston rod of the electrode booster cylinder; the pusher block lifting cylinder assembly comprises: a base fixing plate fixed on the cylinder base A, a pusher block lifting cylinder fixed on the base fixing plate, and a fixed A sealing sponge assembly is fixed on the piston rod of the push block lifting cylinder; the replaceable electrode cylinder assembly includes: an air claw assembly fixed on the base fixing plate, a replaceable electrode cylinder fixed on the air claw assembly, and the replaceable electrode cylinder includes a booster rod, an electrode guide rod, and a jacket that cooperate with each other; the movement of the push block lifting cylinder drives the sealing sponge assembly to deliver air into the replaceable electrode barrel, and the movement of the electrode booster cylinder drives the booster sheet metal to press the booster rod on the replaceable electrode barrel assembly, thereby driving the electrode guide rod to move downward to open the jacket, and the electrode falls freely onto the positioning block.

[0014] Furthermore, the long electrode anti-swing device includes a switch sheet metal, a group of telescopic cylinder action switches, and a group of telescopic opening and closing cylinder assemblies; wherein, the switch sheet metal is fixed to the rotating shaft assembly and rises and falls with the rotating shaft, a group of telescopic cylinder action switches are fixed on the auxiliary shaft assembly in sequence, and a group of telescopic opening and closing cylinder assemblies are arranged on the auxiliary shaft assembly in sequence and cooperate with the corresponding telescopic cylinder action switches respectively; each group of telescopic opening and closing cylinder assemblies includes a telescopic cylinder, an opening and closing cylinder, a coarse electrode guide assembly and a fine electrode guide assembly that cooperate with each other; wherein, the telescopic cylinder is fixed on the auxiliary shaft assembly, the opening and closing cylinder is fixed on the piston rod of the telescopic cylinder, the coarse electrode guide assembly is arranged on the piston rod of the telescopic cylinder to guide the coarse electrode, and the fine electrode guide assembly is arranged on the clamping claw of the opening and closing cylinder to guide the fine electrode.

[0015] Further, the three-coordinate measuring needle device includes a measuring needle lifting cylinder assembly and a three-coordinate measuring needle assembly that cooperate with each other; wherein the measuring needle lifting cylinder assembly is arranged on the auxiliary shaft assembly, including a base, a lifting cylinder, and a cylinder fixing seat that cooperate with each other; wherein the base is fixed to the auxiliary shaft assembly, the cylinder fixing seat is fixed to the base, and the lifting cylinder is fixed to the cylinder fixing seat; the three-coordinate measuring needle assembly is arranged on the lifting cylinder piston rod of the lifting cylinder assembly, including a measuring needle mounting block, a three-coordinate measuring needle, a guide groove block, a guide pin, and a guide pin clamp block that cooperate with each other, wherein the measuring needle mounting block is mounted on the lifting cylinder piston rod, the three-coordinate measuring needle is mounted on the measuring needle mounting block, the guide groove block is fixed on the measuring needle mounting block, the guide pin clamp block is fixed on the base, and the guide pin is fixed on the guide pin clamp block; when the lifting cylinder is actuated, the measuring needle mounting block drives the three-coordinate measuring needle and the guide groove block to move up and down, and the guide groove block cooperates with the guide pin and the guide pin clamp block for guidance.

[0016] Furthermore, the electrode fixing assembly includes an electrode jacket body, an electrode guide block, a rubber block, a jacket, and a locking block that cooperate with each other; the electrode jacket body is fixed to the lower end of the rotating shaft, the electrode guide block, the rubber block, and the jacket are arranged in the electrode jacket body, the electrode is clamped between the electrode guide block, the rubber block, and the jacket, the locking block is arranged outside the electrode jacket body to lock the jacket, and the locking block is driven to open and close by the jacket opening and closing cylinder arranged on the rotating shaft assembly to ensure the clamping and loosening of the electrode.

[0017] Furthermore, the telescopic cylinder is provided with a speed regulator for regulating the telescopic speed of the piston rod; and a cylinder base is fixed on the piston rod of the telescopic cylinder to fix the clamping cylinder.

[0018] Furthermore, in the push block lifting cylinder assembly: the push block lifting cylinder is fixed to the base fixing plate through the cylinder base B, and the sealing sponge assembly fixed on the piston rod of the push block lifting cylinder includes a sponge sheet metal, a sealing sponge, a push block and an electrode guide joint that match in sequence; the replaceable electrode barrel assembly includes, from top to bottom, the following: an electrode aluminum tube, an electrode guide ring, a booster rod, an electrode guide rod, a bushing spring, a bushing, a reset spring, a jacket, a jacket base, and a locking block.

[0019] Furthermore, the telescopic cylinder is fixed to the auxiliary shaft assembly through a cylinder base, and a speed regulator is provided on the telescopic cylinder; the opening and closing cylinder is fixed to the telescopic cylinder piston rod through an opening and closing cylinder base; the fine electrode guide assembly includes a fine electrode claw plate respectively fixed on the two opening and closing jaws of the opening and closing cylinder and a fine electrode claw fixed on the fine electrode claw plate; the coarse electrode guide assembly includes a guide block support plate fixed on the opening and closing cylinder base, a guide block pressure block fixed on the guide block support plate, and a coarse electrode guide block fixed on the guide block pressure block.

[0020] The fully automatic EDM device of the present invention is equipped with an electrode sensing device to realize automatic detection of electrode consumption. It is equipped with an electrode recovery device to realize automatic recovery of waste electrodes. It is equipped with an automatic electrode feeding device to realize automatic electrode feeding. It is equipped with a long electrode anti-swing device to realize no electrode swing during processing. It is equipped with a three-coordinate measuring needle to realize rapid positioning of the workpiece. It can realize long-term continuous processing, high automation, and improve efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the whole machine of the present invention;

[0023] Figure 2 The electrode sensing device of the present invention is shown in FIG. Figure 1 ;

[0024] Figure 3 The electrode sensing device of the present invention is shown in FIG. Figure 2 ;

[0025] Figure 4 The present invention is equipped with an electrode recovery device. Figure 1 ;

[0026] Figure 5-1 to Figure 5-4 Schematic diagram of the electrode recovery device of the present invention Figure 2 ;

[0027] Figure 6 Schematic diagram of the automatic electrode feeding device of the present invention Figure 1 ;

[0028] Figure 7 Schematic diagram of the automatic electrode feeding device of the present invention Figure 2 ;

[0029] Figure 8-1 to Figure 8-3 Schematic diagram of the automatic electrode feeding device of the present invention Figure 3 ;

[0030] Fig. 9 Schematic diagram of the long electrode anti-sway device of the present invention Figure 1 ;

[0031] Fig.10 Schematic diagram of the long electrode anti-sway device of the present invention Figure 2 ;

[0032] Figure 11-1 to Figure 11-3Schematic diagram of the long electrode anti-sway device of the present invention Figure 3 ;

[0033] Fig.12 The present invention is equipped with a three-coordinate measuring needle. Figure 1 ;

[0034] Figure 13-1 to Figure 13-3 The present invention is equipped with a three-coordinate measuring needle. Figure 2 . DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are preferred embodiments of the present invention and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] In the claims, description and the above-mentioned drawings of the present invention, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" etc. are for distinguishing different objects rather than for describing a specific order.

[0037] In the claims, specification and the above-mentioned drawings of the present invention, unless otherwise explicitly defined, directional words, such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise", etc., indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the present invention.

[0038] In the claims, specification and the above drawings of the present invention, unless otherwise clearly defined, if the term "fixed connection" or "fixed connection" is used, it should be understood in a broad sense, that is, any connection method without a displacement relationship and relative rotation relationship between the two, that is to say, including non-detachable fixed connection, detachable fixed connection, integrated connection and fixed connection through other devices or elements.

[0039] In the claims, description and drawings of the present invention, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

[0040] Reference Figure 1-Figure 1 3, is a specific embodiment of the present invention, such as Figure 1The fully automatic EDM device comprises a machine body 1, on which are provided a supporting assembly 11, a control assembly 12, an auxiliary axis assembly 13, a rotating axis assembly 14, and an operating unit 15 which cooperate with each other; wherein, an electrode recovery device 2, a long electrode anti-swing device 3, and a three-coordinate measuring needle device 4 are provided in cooperation with the auxiliary axis assembly 13; and an electrode consumption detection device 5 and an electrode automatic feeding device 6 are provided in cooperation with the rotating axis assembly 14.

[0041] During operation, the workpiece is clamped on the table; the machine tool confirms the workpiece position and the three-coordinate measuring needle starts measuring; the electrode consumption is confirmed to confirm whether the electrode length meets the processing requirements; when the electrode length is insufficient, the electrode recovery device is activated to recover the waste electrode; then the electrode automatic feeding device is activated to complete the electrode automatic feeding action; processing begins and the long electrode anti-swing device is activated.

[0042] Specifically, Figure 2-3 The electrode consumption detection device 5 comprises an electrode fixing assembly 51, an electrode 52 and a positioning block 53 which cooperate with each other; wherein the electrode fixing assembly 51 is arranged at the lower end of the rotating shaft of the rotating shaft assembly 14, the electrode 52 is fixed in the electrode fixing assembly 51 and has a fixed length of about 35 mm (system setting value) in the electrode fixing assembly, the positioning block 53 is arranged on the machine body 1, an upper inter-electrode wire 54 which is connected to the electrode fixing assembly 51 is led out from the rotating shaft, and a lower inter-electrode wire 55 which is connected to the positioning block is led out from the positioning block 53, when the rotating shaft descends, the end of the electrode 52 contacts the positioning block 53 to connect the upper inter-electrode wire 54 and the lower inter-electrode wire 55 and generate a voltage to calculate the electrode consumption.

[0043] In a specific embodiment, the electrode fixing assembly 51 includes an electrode jacket body 511, an electrode guide block 512, a rubber block 513, a jacket 514, and a locking block 515 that cooperate with each other; the electrode jacket body 511 is fixed to the lower end of the rotating shaft, the electrode guide block 512, the rubber block 513, and the jacket 514 are arranged in the electrode jacket body 511, the electrode 52 is clamped between the electrode guide block 512, the rubber block 513, and the jacket 514, the locking block 515 is sleeved on the outer locking jacket of the electrode jacket body 511, and the locking block 515 is driven to open and close by the jacket opening and closing cylinder arranged on the rotating shaft assembly to ensure the clamping and loosening of the electrode 52.

[0044] The principle of sensing contact between the electrode and the positioning block: the auxiliary axis and the rotating axis move to the top of the specified positioning block, and the rotating axis moves downward until the electrode contacts the positioning block, thereby generating a voltage between the upper and lower electrodes. Then, the electrode consumption is obtained by subtracting the length in the electrode jacket from the position of the rotating axis.

[0045] like Figure 4 , Figure 5-1 to Figure 5-4The electrode recovery device 2 includes a telescopic cylinder 21, a clamping cylinder 22 and a clamping claw 23 that cooperate with each other; wherein the telescopic cylinder 21 is arranged on the auxiliary shaft assembly 13, the clamping cylinder 22 is fixed on the piston rod of the telescopic cylinder 21, and the clamping claw 23 is arranged on the clamping cylinder 22 and is driven to open and close by the clamping cylinder. The piston rod of the telescopic cylinder 21 extends to drive the clamping cylinder 22 to the position of the electrode to be replaced, the clamping cylinder 22 moves the clamping claw 23 to clamp the electrode, and when the piston rod of the telescopic cylinder 21 retracts into place, the clamping claw 23 is released to ensure that the waste electrode 26 falls back into the recovery box.

[0046] In a specific embodiment, the telescopic cylinder 21 is provided with a speed regulator 24 for regulating the telescopic speed of the piston rod; a cylinder base 25 is fixed on the piston rod of the telescopic cylinder to fix the clamping cylinder 22.

[0047] During operation, the system prompts that the electrode length is insufficient for the next processing based on the electrode consumption, and issues an electrode replacement command. The rotating shaft needs to rise to the specified position, the telescopic cylinder is sent out, the clamping cylinder tightens the electrode, the electrode jacket is loosened, and after the rotating shaft moves upward to the limit, the telescopic cylinder is retracted, the tightening cylinder is opened, and the electrode falls into the recycling box.

[0048] like Figure 6-7 , Figure 8-1 to Figure 8-3 The electrode automatic feeding device 6 includes the following mutually matched components: a replaceable electrode barrel assembly 61, an electrode booster cylinder assembly 62, and a pusher block lifting cylinder assembly 63; wherein the electrode booster cylinder assembly 62 includes: an electrode barrel base 621 fixed on the rotating shaft assembly 14, a cylinder base A622 fixed to the electrode barrel base 621, an electrode booster cylinder 623 fixed on the cylinder base A622, and a booster sheet metal 624 fixed on the piston rod of the electrode booster cylinder 623; the pusher block lifting cylinder assembly 63 includes: a base fixing plate 631 fixed on the cylinder base A622, a pusher block lifting cylinder 632 fixed on the base fixing plate 631, and a sealing sponge assembly 633 fixed on the piston rod of the pusher block lifting cylinder 632; the replaceable electrode barrel assembly 61 includes: a base fixing plate 631 fixed on the base fixing plate 631 The air gripper assembly 611 on the replaceable electrode cylinder 612 is fixed on the air gripper assembly 611, and the replaceable electrode cylinder 612 includes a booster rod 6121, an electrode guide rod 6122, and a jacket 6123 that cooperate with each other; the push block lifting cylinder 632 is actuated to drive the sealing sponge assembly 633 to deliver air into the replaceable electrode cylinder 612, and the electrode booster cylinder 623 is actuated to drive the booster sheet metal 624 to press the booster rod 6121 on the replaceable electrode cylinder assembly 61, thereby driving the electrode guide rod 6122 to move downward, the jacket 6123 opens, and the electrode falls freely onto the positioning block.

[0049] In a specific embodiment, in the push block lifting cylinder assembly 63: the push block lifting cylinder 632 is fixed to the base fixing plate 631 through the cylinder base B634, and the sealing sponge assembly 633 fixed on the piston rod of the push block lifting cylinder 632 includes a sponge sheet metal 6331, a sealing sponge 6332, a push block 6333 and an electrode guide joint 633 that are matched in sequence; the replaceable electrode tube 612 includes, from top to bottom, the following: an electrode aluminum tube 6124, an electrode guide ring 6125, a booster rod 6121, an electrode guide rod 6122, a bushing spring 6126, a bushing 6127, a reset spring 6128, a jacket 6123, a jacket base 61231, and a locking block 6129.

[0050] During assembly, install the booster sheet metal on the electrode booster cylinder, then fix it to the cylinder base A, and finally fix it to the electrode through base. Fix the push block lifting cylinder and cylinder base B to the base fixing plate in sequence, and fix the assembly to the base fixing plate. Then install the base fixing plate to the cylinder base A, and finally install the electrode guide cylinder joint, push block, sealing sponge, sponge sheet metal, and push block sheet metal to the push block lifting cylinder in sequence.

[0051] During operation, after the waste electrode recovery and removal action is completed, the electrode automatic feeding action begins. The auxiliary axis moves to a position about 1mm above the positioning block. The rotating axis drops to the lower limit position. The push block lifting cylinder moves downward, pressing the sealing sponge on the replaceable electrode barrel, and the electrode guide cylinder joint starts to supply air. The booster cylinder starts to move up and down, driving the booster sheet metal to press the booster bar, thereby driving the electrode guide rod to move downward, the jacket opens, and the electrode falls freely onto the positioning block for contact sensing.

[0052] like Figure 9-10 , Figure 11-1 to Figure 11-3 The long electrode anti-sway device 3 includes a switch sheet metal 31, a group of telescopic cylinder action switches 32, and a group of telescopic opening and closing cylinder components 33; wherein the switch sheet metal 31 is fixed to the rotating shaft component 14 and rises and falls with the rotating shaft, a group of telescopic cylinder action switches 32 are fixed on the auxiliary shaft component 13 in sequence, and a group of telescopic opening and closing cylinder components 33 are arranged on the auxiliary shaft component 13 in sequence and cooperate with the corresponding telescopic cylinder action switches 32 respectively; each group of telescopic opening and closing cylinder components 33 includes a telescopic cylinder 331, an opening and closing cylinder 332, a coarse electrode guide component 333 and a fine electrode guide component 334 that cooperate with each other; wherein the telescopic cylinder 331 is fixed on the auxiliary shaft component 13, the opening and closing cylinder 332 is fixed on the piston rod of the telescopic cylinder 331, the coarse electrode guide component 333 is arranged on the piston rod of the telescopic cylinder 331 to guide the coarse electrode, and the fine electrode guide component 334 is arranged on the clamping claw of the opening and closing cylinder 332 to guide the fine electrode.

[0053] In a specific embodiment, the telescopic cylinder 331 is fixed to the auxiliary shaft assembly 13 through a cylinder base 335, and a speed regulator 336 is provided on the telescopic cylinder 331; the opening and closing cylinder 332 is fixed to the piston rod of the telescopic cylinder 331 through an opening and closing cylinder base 337; the fine electrode guide assembly 334 includes a fine electrode claw plate 3341 respectively fixed on the two opening and closing jaws of the opening and closing cylinder 332 and a fine electrode claw 3342 fixed on the fine electrode claw plate; the coarse electrode guide assembly 333 includes a guide block support plate 3331 fixed on the opening and closing cylinder base 337, a guide block pressure block 3332 fixed on the guide block support plate, and a coarse electrode guide block 3333 fixed on the guide block pressure block.

[0054] During processing, the rotating shaft rotates at a high speed (1000 rpm), and the electrode bends, resulting in processing failure. Equipped with a long electrode anti-sway device, when the rotating shaft moves downward to the processing position, the switch sheet metal moves downward together. When a new electrode is processed, the switch sheet metal and the telescopic cylinder action switch are not in contact. The opening and closing cylinder of the long electrode swing device opens, the telescopic cylinder extends, and the opening and closing cylinder closes, so that the electrode does not shake.

[0055] like Fig.12 , Figure 13-1 to Figure 13-3 The three-coordinate measuring needle device 4 includes a measuring needle lifting cylinder assembly 41 and a three-coordinate measuring needle assembly 42 that cooperate with each other; wherein the measuring needle lifting cylinder assembly 41 is arranged on the auxiliary shaft assembly 13, including a base 411 that cooperates with each other, a lifting cylinder 412, and a cylinder fixing seat 413; wherein the base 411 is fixed to the auxiliary shaft assembly 13, the cylinder fixing seat 413 is fixed on the base 411, and the lifting cylinder 412 is fixed on the cylinder fixing seat 413; the three-coordinate measuring needle assembly 42 is arranged on the lifting cylinder 412 piston rod of the lifting cylinder assembly 41, including a measuring needle mounting block 421 that cooperates with each other, a three-coordinate measuring needle 422, and a guide groove Block 423, guide pin 424, guide pin clamp block 425, wherein, probe mounting block 421 is mounted on the piston rod of lifting cylinder 412, three-coordinate probe 422 is mounted on probe mounting block 421, guide slot block 423 is fixed on probe mounting block 421, guide pin clamp block 425 is fixed on base 411, guide pin 424 is fixed on guide pin clamp block 425; when lifting cylinder 412 is actuated, probe mounting block 421 drives three-coordinate probe 422 and guide slot block 423 to move up and down, and guide slot block 423 cooperates with guide pin 424 and guide pin clamp block 425 for guidance.

[0056] During operation, measurement preparation is performed, the auxiliary axis is at the upper limit position, the lifting cylinder is extended, the XY axis is moved above the workpiece, the auxiliary axis is lowered, and the probe automatically searches for the workpiece position and measures.

[0057] The fully automatic EDM device of the present invention is equipped with an electrode sensing device to realize automatic detection of electrode consumption. It is equipped with an electrode recovery device to realize automatic recovery of waste electrodes. It is equipped with an automatic electrode feeding device to realize automatic electrode feeding. It is equipped with a long electrode anti-swing device to realize no electrode swing during processing. It is equipped with a three-coordinate measuring needle to realize rapid positioning of the workpiece. It can realize long-term continuous processing, high automation, and improve efficiency.

[0058] The description of the above specification and embodiments is used to explain the protection scope of the present invention, but does not constitute a limitation on the protection scope of the present invention. Through the enlightenment of the present invention or the above embodiments, ordinary technicians in this field can obtain modifications, equivalent substitutions or other improvements to the embodiments of the present invention or part of the technical features thereof through logical analysis, reasoning or limited experiments, which should be included in the protection scope of the present invention.

Claims

1. Fully automatic electrical discharge machining device, characterized in that: The machine body includes a supporting assembly, a control assembly, an auxiliary axis assembly, a rotating axis assembly, and an operating unit that cooperate with each other; wherein, an electrode recovery device, a long electrode anti-swing device, and a three-coordinate measuring needle device are provided in cooperation with the auxiliary axis assembly; and an electrode consumption detection device and an electrode automatic feeding device are provided in cooperation with the rotating axis assembly; The electrode consumption detection device comprises an electrode fixing assembly, an electrode and a positioning block which cooperate with each other; wherein the electrode fixing assembly is arranged at the lower end of the rotating shaft of the rotating shaft assembly, the electrode is fixed in the electrode fixing assembly and retains a fixed length in the electrode fixing assembly, the positioning block is arranged on the machine body, an upper inter-electrode wire which is connected to the electrode fixing assembly is led out from the rotating shaft, and a lower inter-electrode wire which is connected to the positioning block is led out from the positioning block, when the rotating shaft descends, the electrode tip contacts the positioning block so that the upper inter-electrode wire and the lower inter-electrode wire are connected and a voltage is generated, thereby calculating the consumption of the electrode; The electrode recovery device comprises a telescopic cylinder, a clamping cylinder and a clamping claw which cooperate with each other; wherein the telescopic cylinder is arranged on the auxiliary shaft assembly, the clamping cylinder is fixed on the piston rod of the telescopic cylinder, the clamping claw is arranged on the clamping cylinder and is driven to open and close by the clamping cylinder, the piston rod of the telescopic cylinder extends to drive the clamping cylinder to the position of the electrode to be replaced, the clamping cylinder actuates the clamping claw to clamp the electrode, and when the piston rod of the telescopic cylinder retracts into place, the clamping claw is released to ensure that the waste electrode falls back into the recovery box; The electrode automatic feeding device comprises: a replaceable electrode barrel assembly, an electrode booster cylinder assembly, and a push block lifting cylinder assembly that cooperate with each other; wherein the electrode booster cylinder assembly comprises: an electrode barrel base fixed on the rotating shaft assembly, a cylinder base A fixed to the electrode barrel base, an electrode booster cylinder fixed on the cylinder base A, and a booster sheet metal fixed on the piston rod of the electrode booster cylinder; the push block lifting cylinder assembly comprises: a base fixing plate fixed on the cylinder base A, a push block lifting cylinder fixed on the base fixing plate, and a The sealing sponge assembly on the piston rod of the push block lifting cylinder; the replaceable electrode cylinder assembly includes: an air claw assembly fixed on the base fixing plate, a replaceable electrode cylinder fixed on the air claw assembly, and the replaceable electrode cylinder includes a booster rod, an electrode guide rod, and a jacket that cooperate with each other; the movement of the push block lifting cylinder drives the sealing sponge assembly to move to deliver air into the replaceable electrode barrel, and the movement of the electrode booster cylinder drives the booster sheet metal to press the booster rod on the replaceable electrode barrel assembly, thereby driving the electrode guide rod to move downward to open the jacket, and the electrode freely falls onto the positioning block; The long electrode anti-sway device comprises a switch sheet metal, a group of telescopic cylinder action switches, and a group of telescopic opening and closing cylinder components; wherein the switch sheet metal is fixed to the rotating shaft component and rises and falls with the rotating shaft, a group of telescopic cylinder action switches are fixed on the auxiliary shaft component in sequence, and a group of telescopic opening and closing cylinder components are arranged on the auxiliary shaft component in sequence to cooperate with the corresponding telescopic cylinder action switches respectively; each group of telescopic opening and closing cylinder components comprises a telescopic cylinder, an opening and closing cylinder, a coarse electrode guide component and a fine electrode guide component that cooperate with each other; wherein the telescopic cylinder is fixed on the auxiliary shaft component, the opening and closing cylinder is fixed on the piston rod of the telescopic cylinder, the coarse electrode guide component is arranged on the piston rod of the telescopic cylinder to guide the coarse electrode, and the fine electrode guide component is arranged on the clamping claw of the opening and closing cylinder to guide the fine electrode; The three-coordinate measuring needle device comprises a measuring needle lifting cylinder assembly and a three-coordinate measuring needle assembly which cooperate with each other; wherein the measuring needle lifting cylinder assembly is arranged on the auxiliary shaft assembly, and comprises a base, a lifting cylinder and a cylinder fixing seat which cooperate with each other; wherein the base is fixed to the auxiliary shaft assembly, the cylinder fixing seat is fixed to the base, and the lifting cylinder is fixed to the cylinder fixing seat; the three-coordinate measuring needle assembly is arranged on the lifting cylinder piston rod of the lifting cylinder assembly, and comprises a measuring needle mounting block, a three-coordinate measuring needle, a guide groove block, a guide pin and a guide pin clamp which cooperate with each other, wherein the measuring needle mounting block is mounted on the lifting cylinder piston rod, the three-coordinate measuring needle is mounted on the measuring needle mounting block, the guide groove block is fixed on the measuring needle mounting block, the guide pin clamp is fixed on the base, and the guide pin is fixed on the guide pin clamp; when the lifting cylinder is actuated, the measuring needle mounting block drives the three-coordinate measuring needle and the guide groove block to move up and down, and the guide groove block cooperates with the guide pin and the guide pin clamp for guidance.

2. The fully automatic electrical discharge machining device according to claim 1, characterized in that: The electrode fixing assembly includes an electrode jacket body, an electrode guide block, a rubber block, a jacket, and a locking block that cooperate with each other; the electrode jacket body is fixed to the lower end of the rotating shaft, the electrode guide block, the rubber block, and the jacket are arranged in the electrode jacket body, the electrode is clamped between the electrode guide block, the rubber block, and the jacket, the locking block is sleeved outside the electrode jacket body to lock the jacket, and the locking block is driven to open and close by the jacket opening and closing cylinder arranged on the rotating shaft assembly to ensure the clamping and loosening of the electrode.

3. The fully automatic electrical discharge machining device according to claim 1, characterized in that: The telescopic cylinder is provided with a speed regulator for regulating the telescopic speed of the piston rod; and a cylinder base is fixed on the piston rod of the telescopic cylinder for fixing and clamping the cylinder.

4. The fully automatic electrical discharge machining device according to claim 1, characterized in that: In the push block lifting cylinder assembly: the push block lifting cylinder is fixed to the base fixing plate through the cylinder base B, and the sealing sponge assembly fixed on the piston rod of the push block lifting cylinder includes a sponge sheet metal, a sealing sponge, a push block and an electrode guide joint that match in sequence; the replaceable electrode barrel assembly includes, from top to bottom, the following: an electrode aluminum tube, an electrode guide ring, a booster rod, an electrode guide rod, a bushing spring, a bushing, a reset spring, a jacket, a jacket base, and a locking block.

5. The fully automatic electrical discharge machining device according to claim 1, characterized in that: The telescopic cylinder is fixed to the auxiliary shaft assembly through a cylinder base, and a speed regulator is provided on the telescopic cylinder; the opening and closing cylinder is fixed to the telescopic cylinder piston rod through an opening and closing cylinder base; the fine electrode guide assembly includes a fine electrode claw plate respectively fixed to the two opening and closing clamping jaws of the opening and closing cylinder and a fine electrode claw fixed to the fine electrode claw plate; the coarse electrode guide assembly includes a guide block support plate fixed to the opening and closing cylinder base, a guide block pressure block fixed to the guide block support plate, and a coarse electrode guide block fixed to the guide block pressure block.

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