Multi-directional adjustable electrode clamp convenient for electrode replacement and use method of multi-directional adjustable electrode clamp

Through the multi-directional adjustable and electrode fixture design, the problem of low electrode replacement efficiency of electric spark machine tools is solved, precise alignment and rapid replacement of electrodes are achieved, and the production efficiency of the machine tools is improved.

CN119282279AActive Publication Date: 2025-01-10XIAN AERO ENGINE CONTROLS
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Patent Information

Application Number
CN202411627160.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-01-10
Estimated Expiration
2044-11-14

AI Technical Summary

Technical Problem

When existing electric spark machine tools are processed with many varieties of small batches, the electrode replacement efficiency is low, and the electrode shape and angle need to be adjusted frequently, which affects the production efficiency.

Method used

A multi-directional adjustable and easy electrode replacement electrode fixture is designed, using a multi-directional adjustment mechanism and 3R locking nails, combined with the electrode chuck and the Mohss taper convex shaft to achieve accurate alignment and rapid replacement of electrodes, simplifying electrode replacement process.

Benefits of technology

It improves the electrode replacement efficiency, reduces the time and operation complexity required for electrode replacement, and improves the production efficiency and processing cycle of the machine tool.

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Abstract

The invention belongs to the technical field of machining, and relates to a multidirectional adjustable electrode clamp convenient for electrode replacement and a use method thereof. The electrode alignment device comprises an electrode chuck, a multi-direction adjusting mechanism and a 3R locking blind rivet, and the multi-direction adjusting mechanism is used for multi-direction adjustment of an electrode and used for achieving accurate alignment of the electrode. The 3R locking blind rivet is used for connecting the whole clamp with a machine tool. Wherein the multi-direction adjusting mechanism is detachably and fixedly connected with the electrode chucks, the electrode chucks are used for being fixedly connected with the electrodes, due to the fact that the types of the electrodes are various, the electrode chucks of the various electrodes can be prepared in advance, by replacing the electrode chucks, rapid replacement of the different types of electrodes can be achieved, the electrodes are convenient to replace, and in addition, the working efficiency is improved. And during multi-process machining, reciprocating alignment is not needed, and only the electrode chuck and the corresponding electrode need to be replaced. The device is convenient to operate, the electrode is convenient to replace, accurate alignment of the electrode can be achieved, reciprocating alignment is not needed during multi-process machining, and the electrode replacement efficiency can be improved easily.
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Description

Technical Field

[0001] The invention belongs to the technical field of mechanical processing, and relates to an electrode fixture which is adjustable in multiple directions and convenient for electrode replacement, and a use method thereof. Background Art

[0002] At present, the FORM 2000 VHP CNC EDM machine, SE1 machine and SA20 machine have only one electrode clamping mechanism. Due to the limitation of the electrode clamping structure, each time a shape of electrode is adjusted, only one shape of the part can be processed. For multi-variety and small-batch products, the EDM machine can only stop and wait during the process of debugging one piece for inspection and measurement, and the equipment production efficiency is low. Among them, the FORM 2000 VHP CNC EDM machine is a high-end, precision processing equipment, widely used in mold manufacturing and metal parts processing. The SE1 machine refers to the AgieCharmilles brand CNC precision EDM forming machine, and the SA20 machine is an AgieCharmilles brand EDM forming machine.

[0003] For the above two machine tools, there are the following problems when replacing electrodes during production and processing: 1. Only one shape of electrode can be armored at a time. Each time the electrode is replaced, it needs to be aligned and the verticality of the electrode and the angle direction with the workpiece need to be adjusted, which affects the efficiency of electrode replacement; 2. For the electrical machining of a single workpiece with multiple shapes, electrode measurement and detection are required between multiple processes. The waiting time for measurement and detection is long, which affects the efficiency of electrode replacement; 3. Frequent replacement and adjustment of parameters such as electrode angle is cumbersome and affects the efficiency of electrode replacement.

[0004] In summary, the prior art has the problem of low electrode replacement efficiency. Summary of the invention

[0005] The object of the present invention is to provide an electrode fixture which is adjustable in multiple directions and convenient for electrode replacement, and a method of using the same, so as to solve the technical problem of low electrode replacement efficiency. The present invention is easy to operate, convenient for electrode replacement, and can achieve precise alignment of the electrode. There is no need for reciprocating alignment during multi-step processing, which is conducive to improving the efficiency of electrode replacement.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: The invention discloses an electrode clamp which is adjustable in multiple directions and convenient for electrode replacement, comprising a multi-directional adjustment mechanism, on which a 3R locking rivet is provided. The multi-directional adjustment mechanism can detachably fix an electrode clamp for fixing a connection electrode, and the electrode clamp is used for fixing a connection electrode.

[0007] Furthermore, the multi-directional adjustment mechanism includes an adjustment seat and a mounting seat, the adjustment seat is provided with a convex spherical surface and a 3R locking rivet, the mounting seat is provided with a ball socket, and the convex spherical surface is movably embedded in the ball socket; The adjustment seat is provided with a plurality of bean-shaped hole grooves, the plurality of bean-shaped hole grooves are located on the same circumference, the connecting line between the center of the plurality of bean-shaped hole grooves and the center of the convex spherical surface is perpendicular to the plane where the plurality of bean-shaped hole grooves are located, the bean-shaped hole groove is penetrated with a first adjustment pin, and the first adjustment pin is connected to the mounting seat by a thread; At least one group of second adjustment nail mounting seats is provided on the adjustment seat, and each group of second adjustment nail mounting seats has two, and the two second adjustment nail mounting seats are respectively penetrated by a second adjustment nail, and the second adjustment nail is connected to the second adjustment nail mounting seat by a thread, and a support pin is provided between the two second adjustment nails, and the support pin contacts the second adjustment nail, and the support pin is fixedly connected to the mounting seat.

[0008] Furthermore, the 3R locking rivet is detachably fixed to the connection adjustment seat, and a plurality of annular grooves are provided on the 3R locking rivet; The centers of the bean-shaped holes and the center of the convex spherical surface are located on the axis of the 3R locking rivet.

[0009] Furthermore, the diameter of the convex spherical surface is the same as the diameter of the socket.

[0010] Furthermore, a return spring is sleeved on the first adjustment pin, and the return spring is located between the adjustment seat and the mounting seat, and the return spring is always in a compressed state.

[0011] Furthermore, there are four bean-shaped slots, which are arranged at equal intervals on the same circumference.

[0012] Furthermore, the second adjustment nail mounting seats are in two groups, and the two groups of second adjustment nail mounting seats are symmetrically arranged about the center of the circle where the plurality of bean-shaped hole grooves are located.

[0013] Furthermore, the mounting seat is provided with a drill chuck which is detachably fixedly connected, and the drill chuck is detachably fixedly connected to an electrode chuck.

[0014] Furthermore, the mounting seat is provided with a Morse taper convex shaft, the drill chuck is provided with a Morse taper groove, and the Morse taper convex shaft is embedded in the Morse taper groove.

[0015] Based on the above structure, the present invention also discloses a method for using an electrode fixture that is adjustable in multiple directions and convenient for electrode replacement, comprising the following steps: Fix the electrode to the multi-directional adjustment mechanism through the corresponding electrode chuck, fix the multi-directional adjustment mechanism to the machine tool spindle through the 3R locking rivet, and adjust the position of the electrode by adjusting the multi-directional adjustment mechanism; In different processing steps of the same part, different electrode chucks are replaced and corresponding electrodes are installed on the replaced electrode chucks, so that different types of electrodes can be installed.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention includes an electrode chuck, a multi-directional adjustment mechanism and a 3R locking rivet. The multi-directional adjustment mechanism is used for multi-directional adjustment of the electrode to achieve precise alignment of the electrode. The 3R locking rivet is used to connect the entire fixture to the machine tool. Among them, the multi-directional adjustment mechanism can detachably fix the electrode chuck, and the electrode chuck is used to fix the connection electrode. Due to the wide variety of electrodes, electrode chucks for various electrodes can be prepared in advance. By replacing the electrode chuck, different types of electrodes can be quickly replaced, and the electrode replacement is convenient. In addition, there is no need for reciprocating alignment during multi-process processing. Only the electrode chuck and the corresponding electrode need to be replaced, which is conducive to improving the efficiency of electrode replacement. The present invention is easy to operate, and the electrode replacement is convenient. It can achieve precise alignment of the electrode. There is no need for reciprocating alignment during multi-process processing, which is conducive to improving the efficiency of electrode replacement.

[0017] 2. The adjusting seat of the present invention is provided with a convex spherical surface, and the mounting seat is provided with a ball socket, in which the convex spherical surface is movably embedded, so that the adjusting seat can be tilted and rotated in multiple directions relative to the mounting seat, so that the electrode can be accurately positioned to the required angle and position, which is conducive to the precise alignment of the electrode.

[0018] 3. The adjustment seat of the present invention is provided with a plurality of bean-shaped slots. The design of the bean-shaped slots allows the first adjustment pin to have a certain range of movement in the slots, thereby fine-tuning the position of the mounting seat.

[0019] 4. The two second adjustment pin mounting seats of the present invention are respectively provided with second adjustment pins, the second adjustment pins are connected to the second adjustment pin mounting seats by threads, a support pin is provided between the two second adjustment pins, the support pin contacts the second adjustment pin, and the support pin is fixedly connected to the mounting seat. The contact pressure between the support pin and the second adjustment pin is adjusted by rotating the second adjustment pin, thereby further fine-tuning the position of the mounting seat, and at the same time, both sides of the support pin contact the second adjustment pin, which is conducive to the positioning of the mounting seat after the position adjustment.

[0020] 5. The mounting seat of the present invention is provided with a Morse taper convex shaft, and the drill chuck is provided with a Morse taper groove, and the Morse taper convex shaft is embedded in the Morse taper groove. Through the cooperation of the Morse taper convex shaft and the groove, the close connection between the drill chuck and the mounting seat can be ensured, thereby achieving high-precision positioning and fixation. When in use, the drill chuck can be separated from the mounting seat by gently rotating the drill chuck, which is convenient for the rapid replacement and adjustment of the electrode. Secondly, the Morse taper cooperation has a high load-bearing capacity, can withstand large axial and radial loads, and ensure the stability and reliability of the electrode during operation.

[0021] 6. The method of the present invention fixes the electrode to the multi-directional adjustment mechanism through the corresponding electrode chuck, and fixes the multi-directional adjustment mechanism to the machine tool spindle through the 3R locking rivet. By adjusting the multi-directional adjustment mechanism, the position of the electrode is adjusted to achieve precise alignment of the electrode. In the processing of different processes of the same part, different electrode chucks are replaced, and the corresponding electrodes are installed on the replaced electrode chucks, so that different types of electrodes can be installed. There is no need for reciprocating alignment during multi-process processing. Only the electrode chuck and the corresponding electrode need to be replaced, which is conducive to improving the efficiency of electrode replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 for Figure 1 A top view of Figure 3 The present invention is a flow chart of the method.

[0023] Among them: 1. 3R locking rivet; 1-1. top cap; 2. adjustment seat; 2-1. fixing seat; 2-2. convex spherical surface; 2-3. bean-shaped hole groove; 2-4. first adjustment nail; 2-5. second adjustment nail; 2-6. second adjustment nail mounting seat; 2-7. reset spring; 3. mounting seat; 3-1. ball socket; 3-2. support pin; 3-3. Morse taper convex shaft; 4. drill chuck; 4-1. electrode chuck; 4-2. Morse taper groove; 5. electrode; 6. multi-directional adjustment mechanism. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings: See also Figure 1 The present invention discloses an electrode fixture which is adjustable in multiple directions and convenient for electrode replacement, including a multi-directional adjustment mechanism 6, which is used for multi-directional adjustment of the electrode 5 to achieve precise alignment of the electrode 5.

[0027] The multi-directional adjustment mechanism 6 is provided with a 3R locking rivet 1, and the 3R locking rivet 1 is used to connect the entire fixture to the machine tool.

[0028] The multi-directional adjustment mechanism 6 can detachably fix the connected electrode chuck 4-1, and the electrode chuck 4-1 is used to fix the connected electrode 5. Due to the wide variety of electrodes 5, electrode chucks 4-1 of various electrodes 5 can be prepared in advance. By replacing the electrode chuck 4-1, different types of electrodes 5 can be quickly replaced, and the electrode 5 is easy to replace. In addition, there is no need for reciprocating alignment during multi-step processing, which simplifies secondary clamping. Only the electrode chuck 4-1 and the corresponding electrode 5 need to be replaced, which is conducive to improving the efficiency of electrode replacement. The operator can make full use of the idle time of measurement and detection, and can perform continuous adjustment, programming, and preparation work of multiple processes to improve efficiency.

[0029] In summary, the present invention is easy to operate, the electrode 5 is convenient to replace, and the electrode 5 can be accurately aligned. There is no need for reciprocating alignment during multi-step processing, which is conducive to improving the efficiency of electrode replacement.

[0030] Embodiment 1: See also Figure 1 The present invention discloses an electrode fixture which is adjustable in multiple directions and convenient for electrode replacement, including a multi-directional adjustment mechanism 6, on which a 3R locking rivet 1 is provided. The multi-directional adjustment mechanism 6 can be detachably fixed to a connected electrode chuck 4-1, and the electrode chuck 4-1 is used to fix a connected electrode 5.

[0031] Preferably, the multi-directional adjustment mechanism 6 includes an adjustment seat 2 and a mounting seat 3, the adjustment seat 2 is provided with a convex spherical surface 2-2 and a 3R locking rivet 1, the mounting seat 3 is provided with a ball socket 3-1, and the convex spherical surface 2-2 is movably embedded in the ball socket 3-1, so that the adjustment seat 2 can be tilted and rotated in multiple directions relative to the mounting seat 3, so that the electrode can be accurately positioned to the desired angle and position, which is conducive to the precise alignment of the electrode 5.

[0032] See also Figure 2 The adjustment seat 2 is provided with a plurality of bean-shaped slots 2-3, which are located on the same circumference, and the line connecting the centers of the plurality of bean-shaped slots 2-3 and the center of the convex spherical surface 2-2 is perpendicular to the plane where the plurality of bean-shaped slots 2-3 are located, and a first adjustment pin 2-4 is inserted into the bean-shaped slot 2-3, and the first adjustment pin 2-4 is connected to the mounting seat 3 by a thread. The design of the bean-shaped slot 2-3 allows the first adjustment pin 2-4 to have a certain range of movement in the slot, so that the position of the mounting seat 3 can be fine-tuned.

[0033] See also Figure 1 and Figure 2 At least one group of second adjustment nail mounting seats 2-6 is provided on the adjustment seat 2, each group of second adjustment nail mounting seats 2-6 is two, and second adjustment nails 2-5 are respectively pierced on the two second adjustment nail mounting seats 2-6, and the second adjustment nails 2-5 are connected to the second adjustment nail mounting seats 2-6 by threads, and a support pin 3-2 is provided between the two second adjustment nails 2-5, and the support pin 3-2 is in contact with the second adjustment nail 2-5, and the support pin 3-2 is fixedly connected to the mounting seat 3. The contact pressure between the support pin 3-2 and the second adjustment nail is adjusted by rotating the second adjustment nail, so as to further fine-tune the position of the mounting seat 3, and at the same time, both sides of the support pin 3-2 are in contact with the second adjustment nail 2-5, which is conducive to the positioning of the mounting seat 3 after the position adjustment.

[0034] Preferably, see Figure 1 The 3R locking rivet 1 is detachably fixedly connected to the adjustment seat 2, and a plurality of annular grooves are provided on the 3R locking rivet 1; The centers of the bean-shaped holes 2 - 3 and the center of the convex spherical surface 2 - 2 are located on the axis of the 3R locking stud 1 .

[0035] Preferably, the adjusting seat 2 is fixedly connected to the fixing seat 2 - 1 by bolts, and a top cap 1 - 1 is provided on the 3R locking rivet 1 , and the top cap 1 - 1 is located between the fixing seat 2 - 1 and the adjusting seat 2 .

[0036] Preferably, the diameter of the convex spherical surface 2-2 is the same as the diameter of the socket 3-1.

[0037] Preferably, see Figure 1The first adjusting pin 2-4 is sleeved with a return spring 2-7, and the return spring 2-7 is located between the adjusting seat 2 and the mounting seat 3, and the return spring 2-7 is always in a compressed state.

[0038] Preferably, see Figure 2 There are four bean-shaped hole grooves 2-3, and the four bean-shaped hole grooves 2-3 are arranged at equal intervals on the same circumference.

[0039] Preferably, see Figure 2 The second adjusting nail mounting seats 2-6 are divided into two groups, and the two groups of second adjusting nail mounting seats 2-6 are symmetrically arranged about the center of the circle where the bean-shaped hole grooves 2-3 are located, which is beneficial to the stability of the connection between the adjusting seat 2 and the mounting seat 3.

[0040] Preferably, the mounting seat 3 is provided with a drill chuck 4 that is detachably fixedly connected, and the drill chuck 4 is provided with an electrode chuck 4 - 1 that is detachably fixedly connected.

[0041] Preferably, see Figure 1 , the mounting seat 3 is provided with a Morse taper convex shaft 3-3, the drill chuck 4 is provided with a Morse taper groove 4-2, and the Morse taper convex shaft 3-3 is embedded in the Morse taper groove 4-2. Morse taper is an international standard taper with high precision and reliable positioning performance. Through the cooperation of the Morse taper convex shaft and the groove, the close connection between the drill chuck and the mounting seat can be ensured, thereby achieving high-precision positioning and fixation. In addition, the Morse taper fit has the characteristics of easy disassembly. Only by gently rotating the drill chuck 4 can it be separated from the mounting seat, thereby facilitating the rapid replacement and adjustment of the electrode. Secondly, the Morse taper fit has a high load-bearing capacity and can withstand large axial and radial loads, ensuring the stability and reliability of the electrode during operation.

[0042] In summary, the present invention has the following advantages: 1. Electrode chucks of various shapes can be prepared at the same time, and replacement is convenient and quick; 2. The operator only needs to adjust the electrode position once, and the repeated clamping position is accurate and consistent; 3. Make full use of the idle time of measurement and testing to carry out continuous adjustment, programming and preparation of multiple processes; 4. Low skill requirements for operators, simple secondary clamping and high positioning accuracy.

[0043] 5. The present invention transforms the traditional single-spindle electrode head into a modular quick-change electrode group through systematic management thinking, that is, each type of electrode 5 corresponds to a matching electrode chuck 4-1, which significantly improves the replacement efficiency of the electrode 5 and is conducive to improving processing efficiency.

[0044] The present invention can realize the flexible conversion of two or more multi-form electrical machining contents, has strong convertibility, low cost and high efficiency.

[0045] The present invention can expand the function of the machine tool, truly realize the multi-electrode quick change function, and can be appropriately adjusted in the horizontal and vertical directions according to the actual state of the tool. In many practical applications, due to the realization of the multi-tool function, the rough processing and fine processing required by the process can be completed, and another part can be debugged immediately during measurement, three inspections, and processing of technical problems. The utilization rate of the machine tool has been increased from less than 35% to the current 90%, the production efficiency has been greatly improved, and the processing cycle has been greatly shortened.

[0046] Embodiment 2: See also Figure 1 and Figure 2 The present invention discloses an electrode fixture which is adjustable in multiple directions and convenient for electrode replacement, comprising: 3R locking rivet 1: 3R locking rivet 1 is connected to the spindle of the machine tool to achieve quick connection and quick disassembly between the machine tool and the fixture, and its function is to provide physical accuracy guarantee.

[0047] Multi-directional adjustment mechanism 6: realizes connection with 3R locking pin 1. Through 4 sets of adjustment pins, the verticality and angle between the electrode and the workpiece are adjusted to ensure the position state of the processed shape and position on the part.

[0048] Drill chuck: clamp the electrode rod.

[0049] The steps of installing the fixture in this embodiment are as follows: S1. Connect the mounting seat 3 and the adjusting seat 2, and calibrate the center of the ball socket 3-1 of the positioning seat and the center of the φ30 ball of the adjusting seat 2 within 0.005mm to ensure their position accuracy, and fix them tightly with 4 first adjustment pins 2-4.

[0050] S2, the adjustment seat 2 and the mounting seat 3 are connected together through the Sφ30 ​​convex spherical surface and the ball socket, and are connected together through four second adjustment pins 2-5. At the same time, two support pins 3-2 are installed between the adjustment seat 2 and the mounting seat 3.

[0051] S3, the mounting seat 3 and the drill chuck 4 are connected together through the Morse taper with self-tight fit, and various electrode chucks 4-1 can be installed on the mounting seat.

[0052] S4. Cylindrical electrode rods, strip-shaped or square-handled electrodes can be clamped by various electrode chucks 4-1.

[0053] S5. Fix the assembled device mechanism on the spindle of the EDM machine tool manually or pneumatically through the 3R locking rivet 1.

[0054] Based on the above structure, the present invention also discloses a method for using an electrode fixture that is adjustable in multiple directions and convenient for electrode replacement, see Figure 3 , including the following steps: S1. Fix the electrode 5 on the multi-directional adjustment mechanism 6 through the corresponding electrode chuck 4-1, and fix the multi-directional adjustment mechanism 6 to the machine tool spindle through the 3R locking rivet 1. By adjusting the multi-directional adjustment mechanism 6, and then adjusting the position of the electrode 5, the electrode 5 can be accurately aligned.

[0055] S2. In different processing steps of the same part, different electrode chucks 4-1 are replaced, and corresponding electrodes 5 are installed on the replaced electrode chucks 4-1, so that different types of electrodes 5 can be installed. In multi-process processing, there is no need for reciprocating alignment, and only the electrode chuck 4-1 and the corresponding electrode 5 need to be replaced, which is conducive to improving the efficiency of electrode replacement.

[0056] Embodiment three: This embodiment discloses a method for using an electrode fixture that is adjustable in multiple directions and convenient for electrode replacement, see Figure 3 , including the following steps: S1. The electrode 5 is fixed to the drill chuck 4 through the corresponding electrode chuck 4-1 and placed on the image tool setting instrument; S2. wherein the second adjustment pin 2-5 is rotated, the second adjustment pin 2-5 pushes the support pin 3-2, the support pin 3-2 drives the mounting seat 3 to rotate, the mounting seat 3 rotates relative to the adjustment seat 2 through the convex spherical surface 2-2 and the ball socket 3-1, and during the rotation process, the adjustment seat 2 drives the first adjustment pin 2-4 to slide in the bean-shaped hole groove 2-3; By tightening or loosening a plurality of first adjustment pins 2-4, the mounting seat 3 is allowed to rotate relative to the adjustment seat 2 through the convex spherical surface 2-2 and the ball socket 3-1; By adjusting the first adjustment pin 2-4 and the second adjustment pin 2-5, the adjustment seat 2 and the mounting seat 3 are rotated relative to each other, and then the position of the electrode 5 is corrected in combination with the image tool setting instrument to obtain a corrected electrode fixture; S3. The calibrated electrode fixture is installed on the machine tool spindle through the 3R locking rivet 1, and the first adjustment pin 2-4 and the second adjustment pin 2-5 are adjusted to make the adjustment seat 2 and the mounting seat 3 rotate relative to each other, thereby adjusting the position of the electrode; S4. In different processing steps of the same part, different types of electrodes 5 can be installed by replacing different electrode chucks 4-1.

[0057] Embodiment 4: This embodiment discloses a method for using an electrode fixture that is adjustable in multiple directions and convenient for electrode replacement, comprising the following steps: S1. First, manually fix the 3R locking rivet 1 on the adjustment seat 2 using the clamp.

[0058] S2. Clamp the electrode 5 required for the electrical discharge machining on the drill chuck 4, visually calibrate the machining direction of the electrode, and lock it.

[0059] S3. Place the fixture with the electrode 5 installed on the image tool setting instrument to adjust the angular position of the electrode. Adjust the displacement in the X and Y directions by screwing the 4 first adjustment pins 2-4, that is, adjust the tilt of the mounting seat 3, of which 3 are positioning adjustment pins and 1 is a locking pin. The rotation in the Z direction is adjusted by the 2 second adjustment pin mounting seats 2-6, that is, the rotation adjustment of the mounting seat 3 is performed, of which 1 is a limit adjustment pin and 1 is a locking pin. After installing and adjusting the three degrees of freedom in the X, Y, and Z directions, ensure the correct position of the electrode in space.

[0060] S4. Remove the calibrated fixture with electrode from the 3R positioning base, install it on the spindle of the EDM machine manually or pneumatically, calibrate the X, Y, and Z coordinates on the machine, and store them in the machine coordinate system for processing.

[0061] S5. When in use, the drill chuck 4 with the electrode installed is adjusted by screwing 4 first adjustment pins 2-4 to adjust the displacement in the X and Y directions, of which 3 are positioning adjustment pins and 1 is a locking pin. The rotation in the Z direction is adjusted by 2 second adjustment pin mounting seats 2-6, of which 1 is a limit adjustment pin and 1 is a locking pin. The three degrees of freedom in the X, Y, and Z directions are installed and adjusted to ensure the correct position of the electrode in space.

[0062] The present invention realizes multi-tool processing and can debug and process two or more parts at the same time, that is, while part A is undergoing three metering inspections, part B can be debugged and processed immediately through a quick-change device, which greatly reduces downtime waiting time, improves machine tool utilization, and shortens the production cycle.

[0063] The above contents are only for explaining the technical idea of ​​the present invention and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the claims of the present invention.

Claims

1. The electrode fixture is adjustable in multiple directions and convenient for electrode replacement, characterized in that: It comprises a multi-directional adjustment mechanism (6), wherein the multi-directional adjustment mechanism (6) is provided with a 3R locking rivet (1), and the multi-directional adjustment mechanism (6) can be detachably fixed to a connection electrode clamp (4-1), and the electrode clamp (4-1) is used to fix a connection electrode (5).

2. The electrode fixture that is adjustable in multiple directions and convenient for electrode replacement according to claim 1 is characterized in that: The multi-directional adjustment mechanism (6) comprises an adjustment seat (2) and a mounting seat (3); the adjustment seat (2) is provided with a convex spherical surface (2-2) and a 3R locking rivet (1); the mounting seat (3) is provided with a ball socket (3-1); the convex spherical surface (2-2) is movably embedded in the ball socket (3-1); The adjustment seat (2) is provided with a plurality of bean-shaped hole grooves (2-3), the plurality of bean-shaped hole grooves (2-3) are located on the same circumference, a line connecting the center of the plurality of bean-shaped hole grooves (2-3) and the center of the convex spherical surface (2-2) is perpendicular to the plane where the plurality of bean-shaped hole grooves (2-3) are located, a first adjustment pin (2-4) is inserted into the bean-shaped hole groove (2-3), and the first adjustment pin (2-4) is connected to the mounting seat (3) by means of a thread; At least one group of second adjustment pin mounting seats (2-6) is provided on the adjustment seat (2), each group of second adjustment pin mounting seats (2-6) is two, a second adjustment pin (2-5) is respectively passed through the two second adjustment pin mounting seats (2-6), the second adjustment pin (2-5) and the second adjustment pin mounting seats (2-6) are connected via threads, a support pin (3-2) is provided between the two second adjustment pins (2-5), the support pin (3-2) is in contact with the second adjustment pin (2-5), and the support pin (3-2) is fixedly connected to the mounting seat (3).

3. The electrode fixture that is adjustable in multiple directions and convenient for electrode replacement according to claim 1 is characterized in that: The 3R locking rivet (1) is detachably fixedly connected to the adjustment seat (2), and a plurality of annular grooves are formed on the 3R locking rivet (1); The centers of the plurality of bean-shaped hole grooves (2-3) and the center of the convex spherical surface (2-2) are located on the axis of the 3R locking rivet (1).

4. The electrode fixture with multi-direction adjustment and convenient electrode replacement according to claim 2 is characterized in that: The diameter of the convex spherical surface (2-2) is the same as the diameter of the ball socket (3-1).

5. The electrode fixture with multi-direction adjustment and convenient electrode replacement according to claim 2 is characterized in that: A return spring (2-7) is sleeved on the first adjustment pin (2-4); the return spring (2-7) is located between the adjustment seat (2) and the mounting seat (3); and the return spring (2-7) is always in a compressed state.

6. The electrode fixture with multi-direction adjustment and convenient electrode replacement according to claim 2 is characterized in that: There are four bean-shaped hole grooves (2-3), and the four bean-shaped hole grooves (2-3) are arranged at equal intervals on the same circumference.

7. The electrode fixture with multi-direction adjustment and convenient electrode replacement according to claim 2 is characterized in that: The second adjustment nail mounting seats (2-6) are in two groups, and the two groups of second adjustment nail mounting seats (2-6) are symmetrically arranged about the center of the circle where the plurality of bean-shaped hole slots (2-3) are located.

8. The electrode fixture with multi-direction adjustment and convenient electrode replacement according to claim 2 is characterized in that: The mounting seat (3) is opened to be detachably fixedly connected to a drill chuck (4), and the drill chuck (4) is detachably fixedly connected to an electrode chuck (4-1).

9. The electrode fixture with multi-direction adjustment and convenient electrode replacement according to claim 8, characterized in that: The mounting seat (3) is provided with a Morse taper convex shaft (3-3), the drill chuck (4) is provided with a Morse taper groove (4-2), and the Morse taper convex shaft (3-3) is embedded in the Morse taper groove (4-2).

10. A method for using an electrode fixture that is adjustable in multiple directions and convenient for electrode replacement, characterized in that: The following steps are involved: The electrode (5) is fixed to the multi-directional adjustment mechanism (6) through the corresponding electrode chuck (4-1), the multi-directional adjustment mechanism (6) is fixedly connected to the machine tool spindle through the 3R locking rivet (1), and the position of the electrode (5) is adjusted by adjusting the multi-directional adjustment mechanism (6); In different processing steps of the same part, different electrode chucks (4-1) are replaced, and corresponding electrodes (5) are installed on the replaced electrode chucks (4-1), so that electrodes (5) of different models can be installed.

Citation Information

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