Electrode positioning clamp device of electric discharge machine

Abstract

The utility model discloses an electrode positioning clamp device of an electric discharge machine. The electrode positioning clamp device comprises a fixed seat, an adjusting plate, a rotating seat, a locker, a fixed sleeve, a clamping sleeve and a fixed rod, the top face of the fixing base can be fixedly installed on the electric spark machine head body, the adjusting plate is adjusted to be horizontal through the adjusting bolt, and the perpendicularity of an electrode is guaranteed. Angle adjustment is carried out on the structure in the rotating seat to ensure that the electrodes are parallel; the clamping sleeve is locked on the fixing sleeve through the locker, the fixing rod is clamped and fixed through the clamping sleeve, and then the round rod provided with the electrode can be installed on the fixing rod. According to the electrode positioning clamp device of the electric discharge machine, after being adjusted to be perpendicular and parallel, the fixing rod or the clamping sleeve can be repeatedly clamped, operation is easy, repeated use can be achieved, the positioning precision of the electrode is guaranteed, and the machining precision and the machining efficiency of the electric discharge machine are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spark machines, in particular to an electrode positioning fixture device of an electric spark machine. Background Art

[0002] Electrospark machining refers to the process of removing materials by pulse discharge between the tool electrode and the workpiece electrode in a certain medium, which forms an instantaneous high temperature to partially melt and gasify the workpiece material. This machining method does not generate cutting force and is not limited by tool materials. It can process workpieces with ultra-high hardness, brittleness and complex shapes, so it is widely used in molds, aviation industry, medical equipment and other fields.

[0003] EDM is usually achieved through EDM machine tools. However, the existing standard workpiece clamping tooling of EDM machines still has some shortcomings in actual use. For example, the standard workpiece clamping tooling of existing EDM machines only has a single function of clamping and fixing electrodes. When the same electrode needs to be reused and quickly replaced and positioned, skilled workers are required to disassemble and install the electrode on the electrode clamping tooling multiple times to adjust the clamping position of the electrode, thereby reducing the processing efficiency of the workpiece. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies in the prior art and to provide an electrode positioning fixture device for an electric spark machine, so as to solve the problem that the workpiece clamping fixture provided as standard for the existing electric spark machine only has the single function of clamping and fixing the electrode. When the same electrode needs to be reused and quickly replaced and positioned, it is necessary to disassemble and assemble the electrode on the electrode clamping fixture multiple times to adjust the clamping position of the electrode, thereby reducing the workpiece processing efficiency.

[0005] The utility model provides an electrode positioning fixture device for an electric spark machine, comprising: a fixed seat, an adjustment plate, a rotating seat, a locking device, a fixed sleeve, a clamping sleeve and a fixed rod; the adjusting plate is installed at the bottom of the fixed seat by an adjusting bolt, and a spherical piece is arranged at the center position between the fixed seat and the adjusting plate; the rotating seat is fixed under the adjusting plate, and a top plate and a base are arranged in sequence from top to bottom inside the rotating seat, the base is fixed under the top plate by a fixing bolt, and thrust bearings are arranged between the top plate and the top plate and the base respectively; the fixed sleeve is fixed to the bottom of the base, a pneumatically controlled locking device is arranged inside the base, the bottom of the locking device extends into the fixed sleeve, the clamping sleeve is arranged under the fixed sleeve, the top of the clamping sleeve has a claw, and the locking device is detachably connected to the claw; the fixed rod is installed at the bottom of the clamping sleeve, and a mounting groove is arranged at the bottom of the fixed rod, and the shape of the mounting groove matches the shape of the base of the round rod for mounting the electrode.

[0006] Furthermore, an annular protrusion is provided on the inner wall of the rotating seat, the top plate is arranged above the annular protrusion, the base includes a base bottom and a base top coaxially connected, the base top is located above the base bottom and the diameter of the base top is smaller than the diameter of the base bottom, the base bottom is located below the annular protrusion, the base top extends into the annular protrusion, and the thrust bearings are respectively arranged above and below the annular protrusion.

[0007] Furthermore, the outer peripheral surface of the bottom of the base is provided with two symmetrical notches, and the area on the outer side of the rotating seat corresponding to the two notches is provided with a positioning screw installation groove, and a positioning screw is provided in the positioning screw installation groove, and the positioning screw contacts the end surface of the notch.

[0008] Furthermore, the base of the round rod is a cylindrical structure, and two symmetrical convex tubes are symmetrically arranged on the outer wall of the cylindrical structure. The installation groove at the bottom of the fixed rod has a cylindrical groove body matching the cylindrical structure and a positioning groove matching the convex tube.

[0009] Furthermore, it also includes: a round tube placement seat, which is provided with a plurality of round tube placement grooves, and symmetrically arranged convex tube placement grooves are provided on both sides of the round tube placement grooves, the shape of the round tube placement grooves matches the shape of the base of the round rod, and the shape of the convex tube placement grooves matches the convex tube.

[0010] The utility model has the following beneficial effects: the utility model provides an electrode positioning fixture device for an electric spark machine, which can fix the top surface of a fixing seat on the main body of an electric spark machine head, adjust the level of an adjusting plate by adjusting bolts to ensure the verticality of the electrode; adjust the angle of the structure in the rotating seat to ensure the parallelism of the electrode; lock the clamping sleeve on the fixing sleeve by a locking device, clamp and fix the fixing rod by the clamping sleeve, and then the round rod with the electrode installed can be installed on the fixing rod; the electrode positioning fixture device for an electric spark machine of the utility model can repeatedly clamp the fixing rod or the clamping sleeve after adjusting the verticality and parallelism, is simple to operate, can be reused, ensures the positioning accuracy of the electrode, and improves the processing accuracy and processing efficiency of the electric spark machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a structural schematic diagram of an electrode positioning fixture device of an electric spark machine of the utility model;

[0013] Figure 2 It is a cross-sectional view of the electrode positioning fixture device of the electric spark machine of the utility model;

[0014] Figure 3 It is a schematic diagram of the positioning screw of the electrode positioning fixture device of the electric spark machine of the utility model;

[0015] Figure 4 It is a schematic diagram of a round tube placement seat of an electrode positioning fixture device of an electric spark machine of the utility model;

[0016] Figure 5 The utility model is a schematic diagram of an electrode after a round tube is installed on a round tube placement seat of an electrode positioning fixture device of an electric spark machine.

[0017] Illustrations: 1-fixed seat; 2-adjustment plate; 3-rotating seat; 4-locker; 5-fixed sleeve; 6-clamping sleeve; 7-fixed rod; 8-adjusting bolt; 9-spherical part; 10-top plate; 11-base; 12-fixed bolt; 13-thrust bearing; 14-round rod; 15-electrode; 16-round tube placement seat; 17-round tube placement groove; 18-convex tube placement groove; 19-convex tube; 20-positioning screw; 31-annular protrusion; 32-positioning screw installation groove; 111-bottom of base; 112-top of base; 113-notch. DETAILED DESCRIPTION

[0018] It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those of ordinary skill in the art to which the present application belongs.

[0019] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0020] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in a variety of different forms and should not be interpreted as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for clarity, the thickness of the layers and regions is enlarged, and the same reference numerals are used to represent the same devices, so their description will be omitted.

[0021] See also Figures 1 to 5 The embodiment of the utility model provides an electrode positioning fixture device for an electric spark machine, comprising: a fixed seat 1, an adjustment plate 2, a rotating seat 3, a locker 4, a fixed sleeve 5, a clamping sleeve 6 and a fixed rod 7.

[0022] In this embodiment, the bottom surface of the fixing seat 1 is rectangular, and the fixing seat 1 is used to be fixedly installed on the main body of the EDM machine head. The bottom surface of the adjustment plate 2 is circular, and the adjustment plate 2 is installed on the bottom of the fixing seat 1 through four adjustment bolts 8 distributed in a rectangular shape, and a spherical member 9 is provided at the center between the fixing seat 1 and the adjustment plate 2. The adjustment plate 2 can be adjusted horizontally by the adjustment bolts 8 to ensure the verticality of the electrode 15 installed later.

[0023] The rotating seat 3 is fixed to the bottom of the adjustment plate 2 by bolts. A top plate 10 and a base 11 are arranged in sequence from top to bottom inside the rotating seat 3. The base 11 is fixed to the bottom of the top plate 10 by fixing bolts 12. Thrust bearings 13 are respectively arranged between the top plate 10 and the base 11.

[0024] Specifically, the inner wall of the rotating seat 3 is provided with an annular protrusion 31, the top plate 10 is arranged above the annular protrusion 31, the base 11 includes a base bottom 111 and a base top 112 which are coaxially connected, the base top 112 is located above the base bottom 111 and the diameter of the base top 112 is smaller than the diameter of the base bottom 111, the base bottom 111 is located below the annular protrusion 31, the base top 112 extends into the annular protrusion 31, and the thrust bearing 13 is respectively arranged above and below the annular protrusion 31. The top plate 10 and the base 11 can be fine-tuned and rotated in the rotating seat 3 through the thrust bearing 13 to adjust the angle to ensure the parallelism of the electrode 15 installed later.

[0025] The fixing sleeve 5 is fixed to the bottom of the base 11. The base 11 is provided with a pneumatically controlled locking device 4. The bottom of the locking device 4 extends into the fixing sleeve 5. The clamping sleeve 6 is provided below the fixing sleeve 5. The top of the clamping sleeve 6 has a claw 61. The locking device 4 is detachably connected to the claw 61. The locking device 4 is a prior art. The principle is that a small spherical structure will extend during ventilation to clamp the claw 61 on the clamping sleeve 6. The fixing rod 7 is installed at the bottom of the clamping sleeve 6. The bottom of the fixing rod 7 is provided with a mounting groove. The shape of the mounting groove matches the shape of the base of the round rod 14 for mounting the electrode 15. The round rod 14 can be fixed by a top screw after being installed in the mounting groove.

[0026] When the fixing rod 7 rotates, the clamping sleeve 6, the fixing sleeve 5, the locking device 4, the top plate 10 and the base 11 can rotate synchronously. The outer peripheral surface of the bottom 111 of the base is provided with two symmetrical notches 113, and the outer side of the rotating seat 3 is provided with a positioning screw installation groove 32 in the area corresponding to the two notches 113. The positioning screw installation groove 32 is provided with a positioning screw 20, and the positioning screw 20 contacts the end surface of the notch 113, and the fine-tuned base 11 is fixed by the positioning screw 20.

[0027] Specifically, the base of the round rod 14 is a cylindrical structure, and two symmetrical convex tubes 19 are symmetrically arranged on the outer wall of the cylindrical structure. The installation groove at the bottom of the fixing rod 7 has a cylindrical groove body matching the cylindrical structure and a positioning groove matching the convex tube 19.

[0028] Specifically, the utility model further provides a round tube placement seat 16, on which a plurality of round tube placement grooves 17 are arranged, and symmetrically arranged convex tube placement grooves 18 are arranged on both sides of the round tube placement grooves 17, the shape of the round tube placement grooves 17 matches the shape of the base of the round rod 14, and the shape of the convex tube placement grooves 18 matches the convex tube 19. The round rods 14 can be placed on the round tube placement seat 16 in a centralized manner.

[0029] The working principle of the electrode positioning fixture device of the electric spark machine of the utility model is as follows: the top surface of the fixed seat is fixedly installed on the main body of the electric spark machine head, and the adjustment plate is adjusted to the level by adjusting the bolt to ensure the verticality of the electrode; the structure in the rotating seat is adjusted to the angle to ensure the parallelism of the electrode; the clamping sleeve is locked on the fixed sleeve by a locker, and the fixed rod is clamped and fixed by the clamping sleeve, and then the round rod with the electrode installed can be installed on the fixed rod; the electrode positioning fixture device of the electric spark machine of the utility model can repeatedly clamp the fixed rod or the clamping sleeve after adjusting the verticality and parallelism, is simple to operate, can be reused, ensures the positioning accuracy of the electrode, and improves the processing accuracy and processing efficiency of the electric spark machine.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application 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 numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example.

[0032] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electrode positioning fixture device for an electric spark machine, characterized in that: include: A fixed seat (1), an adjustment plate (2), a rotating seat (3), a locking device (4), a fixed sleeve (5), a clamping sleeve (6) and a fixed rod (7); The adjusting plate (2) is mounted on the bottom of the fixing seat (1) by means of adjusting bolts (8), and a spherical member (9) is provided at the center between the fixing seat (1) and the adjusting plate (2); the rotating seat (3) is fixed below the adjusting plate (2), and a top plate (10) and a base (11) are provided inside the rotating seat (3) from top to bottom, and the base (11) is fixed below the top plate (10) by means of fixing bolts (12), and thrust bearings (13) are provided between the top plate (10) and the base (11) respectively; the fixing sleeve (5) The fixing rod (7) is fixed to the bottom of the base (11), and a pneumatically controlled locking device (4) is arranged inside the base (11). The bottom of the locking device (4) extends into the fixing sleeve (5). The clamping sleeve (6) is arranged below the fixing sleeve (5). The top of the clamping sleeve (6) has a clamping claw (61), and the locking device (4) and the clamping claw (61) are detachably connected. The fixing rod (7) is installed at the bottom of the clamping sleeve (6). The bottom of the fixing rod (7) is provided with a mounting groove, and the shape of the mounting groove matches the shape of the base of the round rod (14) used to install the electrode (15).

2. The electrode positioning fixture device for an electric spark machine according to claim 1, characterized in that: The inner wall of the rotating seat (3) is provided with an annular protrusion (31), the top plate (10) is arranged above the annular protrusion (31), the base (11) comprises a base bottom (111) and a base top (112) which are coaxially connected, the base top (112) is located above the base bottom (111) and the diameter of the base top (112) is smaller than the diameter of the base bottom (111), the base bottom (111) is located below the annular protrusion (31), the base top (112) extends into the annular protrusion (31), and the thrust bearing (13) is respectively arranged above and below the annular protrusion (31).

3. The electrode positioning fixture device for an electric spark machine according to claim 2, characterized in that: The outer peripheral surface of the bottom (111) of the base is provided with two symmetrical notches (113), and the outer side of the rotating seat (3) is provided with a positioning screw installation groove (32) in an area corresponding to the two notches (113), and a positioning screw (20) is arranged in the positioning screw installation groove (32), and the positioning screw (20) is in contact with the end surface of the notch (113).

4. The electrode positioning fixture device for an electric spark machine as claimed in claim 3, characterized in that: The base of the round rod (14) is a cylindrical structure, and two symmetrical convex tubes (19) are symmetrically arranged on the outer wall of the cylindrical structure. The installation groove at the bottom of the fixing rod (7) has a cylindrical groove body matching the cylindrical structure and a positioning groove matching the convex tube (19).

5. The electrode positioning fixture device for an electric spark machine according to claim 4, characterized in that: Also includes: A round tube placement seat (16) is provided with a plurality of round tube placement grooves (17), and symmetrically arranged convex tube placement grooves (18) are provided on both sides of the round tube placement grooves (17), the shape of the round tube placement grooves (17) matches the shape of the base of the round rod (14), and the shape of the convex tube placement grooves (18) matches the convex tube (19).

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