Stroke adjusting device for machining of electric spark machine

Abstract

The utility model relates to the technical field of electric discharge machines, and discloses an electric discharge machine machining stroke adjusting device which comprises an installation base, an installation groove is formed in one side of the installation base, one end of the installation base is in sliding fit with the installation groove, and a toothed plate is fixedly connected to the top of the installation base. The inner side of the mounting groove is provided with a positioning piece matched with the toothed plate to fix the mounting base, the top end of the toothed plate is slidably connected with a movable base, the movable base is provided with a transverse adjusting piece used for driving the movable base to horizontally move in the horizontal direction, a mounting arm is arranged above the movable base, and one end of the mounting arm is fixedly connected with a working electrode; and a vertical adjusting piece for adjusting the height of the mounting arm is arranged at the top of the movable seat. According to the utility model, the machining stroke of the electric spark machine can be freely adjusted in multiple directions, so that the machining universality of the electric spark machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric spark machine technical field more specifically, the utility model relates to a kind of electric spark machine machining stroke adjusting device. BACKGROUND

[0002] Spark machine is a kind of special processing method using the electric erosion of the pulse discharge between two poles immersed in working fluid to remove conductive material, also known as spark machining or electric erosion machining, the machining stroke of electric spark machine has a defined range, when the part of workpiece needs to be processed exceeds the machining stroke of electric spark machine, it is often necessary to replace the electric spark machine with larger machining stroke range, which reduces the processing efficiency of workpiece and increases the processing cost of workpiece;

[0003] For this, the patent publication number CN222020806U discloses "a kind of electric spark machine machining stroke adjusting device, including: supporting arm, the one end of the supporting arm is formed with the clamping column for the detachable installation electrode holder of electric spark machine;For the extension arm of the working electrode of the detachable installation electric spark machine, the extension arm is rotatably installed at the bottom of the supporting arm, the horizontal distance between the working electrode and the clamping column is adjusted by rotating the extension arm, the supporting arm is detachably installed with the locking member for locking the extension arm to fix the machining stroke of electric spark machine in horizontal direction;Length adjustable height-adjusting column, one end of the height-adjusting column is reversibly installed on the upper part of the supporting arm, the other end of the height-adjusting column is magnetically attracted to the supporting arm by magnetic attraction element, one end of the height-adjusting column is formed with a lock plate, the extension arm is detachably installed on the other end of the height-adjusting column to adjust the machining stroke of electric spark machine in vertical direction after the height-adjusting column is locked by the lock plate and the extension arm is disassembled and turned over";

[0004] The above patent extends the horizontal stroke of the working electrode by rotating the extension arm, but since the length of the extension arm is fixed, the stroke after the extension arm is extended is also fixed, which makes the extension stroke of the extension arm unable to be freely adjusted according to actual needs, and has certain limitations. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a kind of electric spark machine machining stroke adjusting device, solve the problem that the extension stroke of prior art cannot be freely adjusted according to actual needs.

[0006] The utility model provides a technical scheme that an electric spark machining stroke adjusting device is provided, including the connecting seat, the one side of connecting seat is equipped with the installation groove, the inside of installation groove is equipped with the sliding fit of mounting seat, the top of mounting seat is fixedly connected with the toothed plate, the inside of installation groove is equipped with the positioning piece that fixes mounting seat through cooperation with toothed plate, the top of toothed plate is equipped with the movable seat of sliding connection, the movable seat is equipped with the horizontal adjusting spare of being used for urging movable seat to shift in horizontal direction on, the top of movable seat is equipped with the installation arm of setting up, the one end of installation arm is fixedly connected with the working electrode, the top of movable seat is equipped with the vertical adjusting spare of being used for adjusting the height of installation arm.

[0007] As a preferred technical scheme of the utility model, the horizontal adjusting spare includes two parallelly arranged guide rails, both of the guide rails are fixedly connected to the top of the mounting seat, and both ends of the movable seat are slidingly connected with the corresponding guide rails.

[0008] As a preferred technical scheme of the utility model, the inside of the movable seat is rotatably connected with a walking gear, the walking gear is engaged with the toothed plate, and a motor is fixedly installed on one side of the movable seat, with the output shaft of the motor being fixedly connected with the walking gear.

[0009] As a preferred technical scheme of the utility model, the two guide rails are parallelly arranged with the toothed plate, and the lengths of the two guide rails and the toothed plate are the same.

[0010] As a preferred technical scheme of the utility model, the vertical adjusting spare includes a sleeve, the sleeve is fixedly connected to the top of the movable seat, a plug rod is slidingly connected to the top end of the sleeve, a connecting plate is fixedly connected to the top of the plug rod, a support column is fixedly connected to the top of the connecting plate, and the top end of the support column is fixedly connected with the installation arm.

[0011] As a preferred technical scheme of the utility model, the vertical adjusting spare further includes a pneumatic cylinder, the bottom end of the pneumatic cylinder is hingedly connected with the movable seat, and the top end of the pneumatic cylinder is hingedly connected with the connecting plate.

[0012] As a preferred technical scheme of the utility model, the positioning piece includes a rotating rod, one end of the rotating rod is rotatably connected with the inner wall of the installation groove through a pin shaft, the other end of the rotating rod is rotatably connected with a positioning tooth block, the positioning tooth block is slidingly matched with the tooth groove of the toothed plate, the outer side of the connecting seat is rotatably connected with a rotating cap fixedly coaxial with the rotating rod, a torsional spring is sleeved on the pin shaft of the rotating cap, one end of the torsional spring is welded with the outer wall of the connecting seat, and the other end of the torsional spring is welded with the rotating cap.

[0013] Compared with the prior art, the electric spark machining stroke adjusting device has the following beneficial effects: the horizontal adjusting member drives the movable seat to translate in the horizontal direction, so that the mounting arm can freely translate in the horizontal direction, thereby achieving free adjustment of the horizontal stroke, and the height of the mounting arm can be adjusted through the vertical adjusting member, so that the vertical stroke can be freely adjusted, thereby achieving free adjustment of the multi-directional stroke of the electric spark machining stroke, and the versatility of the electric spark machining is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the electric spark machining stroke adjusting device of the utility model;

[0015] Figure 2 It is a structural schematic view of the horizontal adjusting member of the utility model;

[0016] Figure 3 It is a structural schematic view of the vertical adjusting member of the utility model;

[0017] Figure 4 It is an internal structural schematic view of the mounting groove of the utility model;

[0018] Figure 5 It is a structural schematic view of the positioning member of the utility model.

[0019] In the drawing: 1, mounting seat; 2, connecting seat; 3, toothed plate; 4, movable seat; 5, horizontal adjusting member; 51, guide rail; 52, walking gear; 53, motor; 6, vertical adjusting member; 61, sleeve; 62, insertion rod; 63, connecting plate; 64, support column; 65, air cylinder; 7, mounting arm; 8, working electrode; 9, positioning member; 91, rotating rod; 92, positioning tooth block; 93, rotating cap; 94, torsional spring; 10, mounting groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] As Figures 1 to 5The utility model provides a kind of EDM machining stroke adjusting device, including connecting seat 2, connecting seat 2 one side is equipped with installation groove 10, the inside of installation groove 10 is slidably fitted with mounting seat 1, the top of mounting seat 1 is fixedly connected with the toothed plate 3, the inside of installation groove 10 is provided with the positioning member 9 for being fixed to mounting seat 1 by cooperation with toothed plate 3, the top of toothed plate 3 is slidably connected with movable seat 4, movable seat 4 is provided with the horizontal adjusting member 5 for driving movable seat 4 to translate in horizontal direction, the top of movable seat 4 is provided with installation arm 7, one end of installation arm 7 is fixedly connected with working electrode 8, the top of movable seat 4 is provided with the vertical adjusting member 6 for adjusting the height of installation arm 7.

[0022] Movable seat 4 is driven to translate in horizontal direction by horizontal adjusting member 5, so that installation arm 7 can freely translate in horizontal direction, so that the free adjustment of horizontal stroke can be realized, can be adjusted according to actual demand, the height of installation arm 7 can be adjusted by vertical adjusting member 6, so that vertical stroke can be freely adjusted, so that the free adjustment of EDM machining stroke in multidirectional stroke is realized, so that the versatility of EDM machining is improved.

[0023] Wherein, horizontal adjusting member 5 includes two parallelly arranged guide rails 51, two guide rails 51 are fixedly connected at the top of mounting seat 1, two ends of movable seat 4 are slidably connected with corresponding guide rail 51, the inside of movable seat 4 is rotatably connected with walking gear 52, walking gear 52 is engaged with toothed plate 3, motor 53 is fixedly installed on one side of movable seat 4, the output shaft of motor 53 is fixedly connected with walking gear 52, two guide rails 51 are parallelly arranged with toothed plate 3, the length of two guide rails 51 is same with toothed plate 3.

[0024] When the horizontal stroke of EDM machining needs to be adjusted, walking gear 52 is driven to rotate by starting motor 53, so that walking gear 52 rolls along toothed plate 3, so that movable seat 4 can slide along guide rail 51 in horizontal direction, so that installation arm 7 can freely translate in horizontal direction, so that the free adjustment of horizontal stroke can be realized.

[0025] Wherein, vertical adjusting member 6 includes sleeve 61, sleeve 61 is fixedly connected at the top of movable seat 4, the top of sleeve 61 is slidably connected with plug rod 62, the top of plug rod 62 is fixedly connected with connecting plate 63, connecting plate 63 is fixedly connected with support column 64 at the top, the top of support column 64 is fixedly connected with installation arm 7, one end of movable seat 4 is hinged with pneumatic cylinder 65, the top of pneumatic cylinder 65 is hinged with connecting plate 63.

[0026] When the vertical stroke of the electric spark machining needs to be adjusted, the output end of the air cylinder 65 drives the connecting plate 63 to move in the vertical direction by controlling the air cylinder 65, so that the mounting arm 7 translates in the vertical direction, thereby realizing free adjustment of the vertical stroke of the electric spark machining, and the air cylinder 65, the inserting rod 62 and the movable seat 4 form a triangular structure, so that the stability of the mounting arm 7 can be greatly improved.

[0027] The positioning member 9 comprises a rotating rod 91, one end of the rotating rod 91 is rotatably connected with the inner wall of the mounting groove 10 through a pin shaft, the other end of the rotating rod 91 is rotatably connected with a positioning tooth block 92, the positioning tooth block 92 is slidably matched with the tooth groove of the toothed plate 3, the outer side of the connecting seat 2 is rotatably connected with a rotating cap 93 fixed coaxially with the rotating rod 91, a torsional spring 94 is sleeved on the pin shaft of the rotating cap 93, one end of the torsional spring 94 is welded with the outer wall of the connecting seat 2, and the other end of the torsional spring 94 is welded with the rotating cap 93.

[0028] During installation, the connecting seat 1 is slidably matched with the mounting groove 10, and then the positioning tooth block 92 is slidably matched with the tooth groove of the toothed plate 3, so that the fixing of the connecting seat 1 is realized, during disassembly, the rotating cap 93 is rotated to drive the rotating rod 91 to rotate, so that the rotating rod 91 drives the positioning tooth block 92 to move upwards and disengage from the tooth groove of the toothed plate 3, so that the restriction of the toothed plate 3 is released, so that the connecting seat 1 can be directly taken out to realize disassembly, the whole structure is simple to operate, and the connecting seat 1 can be quickly disassembled and assembled, so that the maintenance work of the working electrode 8 is facilitated.

[0029] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electrical discharge machining stroke adjusting device comprising a connecting seat (2), characterized in that: The side of the connecting seat (2) is provided with a mounting groove (10), the inner side of the mounting groove (10) is slidably connected with a mounting seat (1), the top of the mounting seat (1) is fixedly connected with a toothed plate (3), the inner side of the mounting groove (10) is provided with a positioning piece (9) for fixing the mounting seat (1) by cooperating with the toothed plate (3), the top end of the toothed plate (3) is slidably connected with a movable seat (4), the movable seat (4) is provided with a transverse adjusting piece (5) for driving the movable seat (4) to translate in the horizontal direction, the top of the movable seat (4) is provided with a mounting arm (7), one end of the mounting arm (7) is fixedly connected with a working electrode (8), the top of the movable seat (4) is provided with a vertical adjusting piece (6) for adjusting the height of the mounting arm (7).

2. An electrical discharge machining stroke adjusting device according to claim 1, characterized by: The transverse adjusting piece (5) comprises two parallel guide rails (51), both of which are fixedly connected to the top of the mounting seat (1), and both ends of the movable seat (4) are slidably connected with the corresponding guide rails (51).

3. An electrical discharge machining stroke adjusting device according to claim 2, characterized in that: The inner side of the movable seat (4) is rotatably connected with a walking gear (52), the walking gear (52) is engaged with the toothed plate (3), one side of the movable seat (4) is fixedly provided with a motor (53), and the output shaft of the motor (53) is fixedly connected with the walking gear (52).

4. An electrical discharge machining stroke adjusting device according to claim 3, characterized in that: The two guide rails (51) are parallel to the toothed plate (3), and the lengths of the two guide rails (51) are the same as that of the toothed plate (3).

5. The electrical discharge machining stroke adjusting device according to claim 1, characterized by: The vertical adjusting piece (6) comprises a sleeve (61) fixedly connected to the top of the movable seat (4), a plug rod (62) slidably connected to the top end of the sleeve (61), a connecting plate (63) fixedly connected to the top of the plug rod (62), a supporting column (64) fixedly connected to the top of the connecting plate (63), and the top end of the supporting column (64) is fixedly connected with the mounting arm (7).

6. An electrical discharge machining stroke adjusting device according to claim 4, characterized by: The vertical adjusting piece (6) further comprises a gas cylinder (65), the bottom end of the gas cylinder (65) is hingedly connected with the movable seat (4), and the top end of the gas cylinder (65) is hingedly connected with the connecting plate (63).

7. The electrical discharge machining stroke adjusting device according to claim 1, characterized by: The positioning piece (9) comprises a rotating rod (91), one end of the rotating rod (91) is rotatably connected with the inner wall of the mounting groove (10) through a pin shaft, the other end of the rotating rod (91) is rotatably connected with a positioning tooth block (92), the positioning tooth block (92) is slidably connected with the tooth groove of the toothed plate (3), the outer side of the connecting seat (2) is rotatably connected with a rotating cap (93) coaxially fixed with the rotating rod (91), a torsional spring (94) is sleeved on the pin shaft of the rotating cap (93), one end of the torsional spring (94) is welded with the outer wall of the connecting seat (2), and the other end of the torsional spring (94) is welded with the rotating cap (93).

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