Automatic positioning device for electrode of electrical processing machine tool

Abstract

The utility model discloses an automatic positioning device for an electrode of an electric machine tool, which relates to the technical field of electrode positioning, and adopts the technical scheme that the automatic positioning device comprises an electric discharge machine head connecting piece body, an electrode mounting head is fixedly arranged at the bottom of the electric discharge machine head connecting piece body, a fixed cylinder is fixedly arranged in the electrode mounting head, and an electrode slot is formed in the fixed cylinder; the automatic electrode positioning device for the electrical processing machine tool has the beneficial effects that the positioning clamping block is driven by the servo motor, automatic clamping and positioning of an electrode are achieved, screws do not need to be manually tightened, the operation process is simplified, the positioning time is greatly shortened, and the working efficiency is improved; the multiple positioning and clamping blocks synchronously move to clamp the electrode, the electrode can be automatically located in the center positions of the multiple positioning and clamping blocks, the center position after installation is automatically determined, the electrode positioning accuracy is guaranteed, and therefore the machining precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrode positioning technical field, concretely relates to an electrode automatic positioning device of electroprocessing machine tool. BACKGROUND

[0002] Electrode of electroprocessing machine tool is extremely important part in the electric processing process, in the electric spark processing, in addition to the commonly used electrode wire, electrode rod is also an important electrode type, for the electrode rod of regular shape, can use general fixture to carry out clamping.

[0003] The existing electroprocessing machine tool is positioned to the electrode through the screwing of multiple fastening screws to position the electrode, needs to prepare the tool in advance, and when the fastening screw is tightened, multiple fastening screws need to be pre-tightened first to prevent deflection during positioning, and then the tightening can be carried out, the operation is more cumbersome, and the positioning takes a long time. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides an electrode automatic positioning device of electroprocessing machine tool through positioning drive assembly to solve the problem of traditional positioning of electrode through the screwing of multiple fastening screws, more cumbersome operation and long positioning time.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: an electrode automatic positioning device of electroprocessing machine tool, including spark erosion machine head connecting piece body, the bottom of spark erosion machine head connecting piece body is fixed with electrode mounting head, the inside of electrode mounting head is fixed with fixed cylinder, the inside of fixed cylinder is opened with electrode slot, multiple obstacle avoidance grooves are opened outside electrode slot, the side of fixed cylinder is opened with controller installation slot, the bottom of fixed cylinder is equipped with compensation plate, the inside of electrode slot is inserted with electrode body, the inside of electrode mounting head is equipped with positioning drive assembly, positioning drive assembly includes servo motor, the side of servo motor is connected with motor controller body, the bottom of servo motor is equipped with transmission square shaft, the outside of transmission square shaft is equipped with cross-shaped connecting frame, multiple connecting square rods are fixedly inserted in the inside of cross-shaped connecting frame, the bottom of multiple connecting square rods is fixedly connected with end face thread ring, the bottom of multiple end face thread blocks is equipped with multiple end face thread blocks, the bottom of multiple end face thread blocks is fixedly connected with positioning clamping block.

[0006] Preferably, the top of the servo motor is fixedly connected with the bottom of the spark erosion machine head connecting piece body, and the output end of the servo motor is fixedly connected with the top of the transmission square shaft.

[0007] Preferably, the motor controller body penetrates the controller installation slot and is fixedly connected with the controller installation slot, and one end of the motor controller body is fixedly connected with the servo motor.

[0008] Preferably, the transmission square shaft bottom penetrates the cross-shaped connecting frame inside and is in sliding connection with the cross-shaped connecting frame.

[0009] Preferably, the end face threaded ring is arranged outside the fixed cylinder and is connected with the fixed cylinder through a bearing.

[0010] Preferably, the top of the end face threaded block is in threaded connection with the bottom of the end face threaded ring.

[0011] Preferably, one end of the positioning clamping block extends into the electrode slot inside and is in contact with the electrode body.

[0012] Preferably, the positioning clamping block penetrates the obstacle avoidance groove and is in sliding connection with the obstacle avoidance groove.

[0013] Preferably, the bottom of the positioning clamping block is in contact with the top of the compensation plate and is in sliding connection with the compensation plate.

[0014] The embodiment of the utility model has the following advantages:

[0015] 1、 through servo motor drive positioning clamping block, realize automatic clamping positioning to electrode, need not manual screw, simplify operation procedure, shorten positioning time greatly, improve work efficiency, multiple positioning clamping blocks synchronous movement hold electrode, can make electrode automatic in multiple positioning clamping block's center position, automatic determination center position after installation, guarantee electrode positioning accuracy, thereby improve processing accuracy.

[0016] 2、 through setting compensation plate prevent positioning clamping block lower empty part and carry out compensation, avoid positioning clamping block and incline when moving, ensure the stability of positioning clamping block in the moving process, and then guarantee electrode positioning stability, make electrode not easy to displace in the processing, improve the stability and reliability of processing. DRAWINGS DESCRIPTION

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained from the provided drawings without creative labor.

[0018] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and do not define the limiting conditions that can be implemented by the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0019] Figure 1 The overall structure schematic diagram provided by the utility model is shown in the figure.

[0020] Figure 2 The front view cross-sectional perspective view provided by the utility model is shown in the figure.

[0021] Figure 3 The front view cross-sectional perspective view provided by the utility model is shown in the figure.

[0022] Figure 4 The front view perspective view provided by the utility model is shown in the figure.

[0023] In the figure: 1, electric spark head connecting member body, 2, electrode mounting head, 3, fixed cylinder, 4, electrode slot, 5, obstacle avoidance groove, 6, controller installation groove, 7, compensation plate, 8, electrode body, 9, servo motor, 10, motor controller body, 11, transmission square shaft, 12, cross-shaped connecting frame, 13, connecting square rod, 14, end face threaded ring, 15, end face threaded block, 16, positioning clamping block. DETAILED DESCRIPTION

[0024] The embodiments of the utility model are described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. Obviously, the described examples are part of the embodiments of the utility model, not all. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Refer to the attached Figure 1 -attached Figure 4The utility model provides a kind of electrode automatic positioning device of electric processing machine tool, including electric spark head connecting piece body 1, electric spark head connecting piece body 1 bottom is equipped with electrode mounting head 2, electrode mounting head 2 inside is equipped with fixed cylinder 3, fixed cylinder 3 inside is equipped with electrode slot 4, electrode slot 4 outside is equipped with multiple obstacle avoidance grooves 5, fixed cylinder 3 one side is equipped with controller installation groove 6, fixed cylinder 3 bottom is equipped with compensation plate 7, electrode slot 4 inside is inserted with electrode body 8, electrode mounting head 2 inside is equipped with positioning drive assembly, positioning drive assembly includes servo motor 9, servo motor 9 one side is connected with motor controller body 10, servo motor 9 bottom is equipped with transmission square shaft 11, transmission square shaft 11 outside is equipped with cross-shaped connecting frame 12, cross-shaped connecting frame 12 inside is fixedly inserted with multiple connecting square rods 13, the bottom of multiple connecting square rods 13 is fixedly connected with end face threaded ring 14, the bottom of end face threaded ring 14 is equipped with multiple end face threaded blocks 15, the bottom of multiple end face threaded blocks 15 is all fixedly connected with positioning clamping block 16;

[0026] In the embodiment, in order to achieve the purpose of automatically clamping and positioning the electrode body 8, the servo motor 9 rotates through the transmission square shaft 11 to make the cross-shaped connecting frame 12 rotate, the cross-shaped connecting frame 12 rotates through the connecting square rods 13 to drive the end face threaded ring 14 to rotate around the fixed cylinder 3, the end face threaded ring 14 rotates through the multiple end face threaded blocks 15 to make the multiple positioning clamping blocks 16 move synchronously through the obstacle avoidance grooves 5 to the center of the electrode slot 4, so as to clamp and position the electrode body 8 in the electrode slot 4, and the compensation plate 7 prevents the positioning clamping blocks 16 from being tilted when moving by compensating for the empty part below the positioning clamping blocks 16, so as to achieve the purpose of automatically clamping and positioning the electrode body 8.

[0027] In order to achieve the purpose of providing power for the rotation of the cross-shaped connecting frame 12, the device adopts the following technical scheme: the top of the servo motor 9 is fixedly connected with the bottom of the electric spark head connecting piece body 1, the output end of the servo motor 9 is fixedly connected with the top of the transmission square shaft 11, the motor controller body 10 penetrates through the controller installation groove 6 and is fixedly connected with the controller installation groove 6, one end of the motor controller body 10 is fixedly connected with the servo motor 9, the bottom of the transmission square shaft 11 penetrates through the inside of the cross-shaped connecting frame 12 and is slidably connected with the cross-shaped connecting frame 12, the servo motor 9 is started to rotate by the motor controller body 10, the cross-shaped connecting frame 12 rotates by the transmission square shaft 11 rotating the servo motor 9, and at the same time, the transmission square shaft 11 penetrates through the cross-shaped connecting frame 12 through the square structure, so that the transmission square shaft 11 can drive the cross-shaped connecting frame 12 to rotate synchronously when rotating, and the transmission square shaft 11 can be directly pulled out from the cross-shaped connecting frame 12 for later maintenance and subsequent maintenance operation.

[0028] In order to realize the purpose of synchronous movement of the plurality of positioning clamping blocks 16 to clamp the electrode body 8, the device adopts the following technical solutions: the end face threaded ring 14 is sleeved outside the fixed cylinder 3 and connected with the fixed cylinder 3 through a bearing, the top of the end face threaded block 15 is connected with the bottom of the end face threaded ring 14 through a thread, one end of the positioning clamping block 16 extends into the inside of the electrode slot 4 and contacts with the electrode body 8, the positioning clamping block 16 penetrates through the obstacle avoidance groove 5 and is connected with the obstacle avoidance groove 5 in sliding mode, the bottom of the positioning clamping block 16 contacts with the top of the compensation plate 7 and is connected with the compensation plate 7 in sliding mode, the plurality of positioning clamping blocks 16 synchronously move to clamp the electrode body 8, so that the electrode body 8 can be automatically positioned at the center position of the plurality of positioning clamping blocks 16 after clamping, and the center position after installation can be automatically determined.

[0029] The use process of the utility model is as follows: when using the utility model, connect the external power supply, connect and fix the electric spark head connector body 1 and the electric processing machine tool through the prior art, when it is necessary to install and position the electrode body 8, insert the top of the electrode body 8 into the inside of the electrode slot 4, start the servo motor 9 to rotate through the motor controller body 10, the rotation of the servo motor 9 makes the cross-shaped connecting frame 12 rotate through the transmission square shaft 11, the rotation of the cross-shaped connecting frame 12 drives the end face threaded ring 14 to rotate around the fixed cylinder 3 through the connecting square rod 13, the rotation of the end face threaded ring 14 makes the plurality of positioning clamping blocks 16 synchronously move to the center of the electrode slot 4 through the obstacle avoidance groove 5, so as to clamp and position the electrode body 8 in the inside of the electrode slot 4, and the compensation plate 7 prevents the empty part below the positioning clamping block 16 from being compensated, prevents the positioning clamping block 16 from tilting when moving, achieves the purpose of automatically clamping and positioning the electrode body 8, at the same time, the plurality of positioning clamping blocks 16 synchronously move to clamp the electrode body 8, so that the electrode body 8 can be automatically positioned at the center position of the plurality of positioning clamping blocks 16 after clamping, and the center position after installation can be automatically determined, at the same time, the transmission square shaft 11 penetrates through the cross-shaped connecting frame 12 through the square structure, so that the transmission square shaft 11 can drive the cross-shaped connecting frame 12 to synchronously rotate when rotating, and can be directly pulled out from the cross-shaped connecting frame 12 when later maintenance is carried out, and the subsequent maintenance operation is carried out.

[0030] The above is only a preferred embodiment of the utility model, and any skilled person in the art can modify the utility model or modify it into an equivalent technical solution by using the above-mentioned technical solutions. Therefore, any simple modification or equivalent replacement according to the technical solutions of the utility model is within the scope of protection required by the utility model.

Claims

1. An automatic electrode positioning device for an electrical discharge machining (EDM) machine tool, comprising an EDM head connector body (1), characterized in that: The bottom of the EDM head connector body (1) is fixedly provided with an electrode mounting head (2). A fixing cylinder (3) is fixedly provided inside the electrode mounting head (2). An electrode slot (4) is opened inside the fixing cylinder (3). Multiple obstacle avoidance slots (5) are opened outside the electrode slot (4). A controller mounting slot (6) is opened on one side of the fixing cylinder (3). A compensation plate (7) is provided at the bottom of the fixing cylinder (3). An electrode body (8) is inserted into the electrode slot (4). A positioning drive assembly is provided inside the electrode mounting head (2). The positioning drive assembly includes a servo motor. The servo motor (9) is connected to a motor controller body (10) on one side. The servo motor (9) has a transmission square shaft (11) at the bottom. The transmission square shaft (11) is fitted with a cross-shaped connecting frame (12) on the outside. Multiple connecting square rods (13) are fixedly inserted inside the cross-shaped connecting frame (12). The bottom of the multiple connecting square rods (13) is fixedly connected to an end face threaded ring (14). The bottom of the end face threaded ring (14) is provided with multiple end face threaded blocks (15). The bottom of the multiple end face threaded blocks (15) is fixedly connected to a positioning clamping block (16).

2. The automatic electrode positioning device for an electrical discharge machining tool according to claim 1, characterized in that: The top of the servo motor (9) is fixedly connected to the bottom of the EDM head connector body (1), and the output end of the servo motor (9) is fixedly connected to the top of the transmission square shaft (11).

3. The automatic electrode positioning device for an electrical discharge machining tool according to claim 1, characterized in that: The motor controller body (10) passes through the controller mounting slot (6) and is fixedly connected to the controller mounting slot (6). One end of the motor controller body (10) is fixedly connected to the servo motor (9).

4. The automatic electrode positioning device for an electrical discharge machining tool according to claim 1, characterized in that: The bottom of the transmission square shaft (11) passes through the interior of the cross-shaped connecting frame (12) and is slidably connected to the cross-shaped connecting frame (12).

5. The automatic electrode positioning device for an electrical discharge machining tool according to claim 1, characterized in that: The end face threaded ring (14) is sleeved on the outside of the fixed cylinder (3) and connected to the fixed cylinder (3) through a bearing.

6. The automatic electrode positioning device for an electrical discharge machining tool according to claim 1, characterized in that: The top of the end face threaded block (15) is connected to the bottom of the end face threaded ring (14) by a thread.

7. The automatic electrode positioning device for an electrical discharge machining tool according to claim 1, characterized in that: One end of the positioning clamping block (16) extends into the electrode slot (4) and contacts the electrode body (8).

8. The automatic electrode positioning device for an electrical discharge machining tool according to claim 1, characterized in that: The positioning clamping block (16) passes through the obstacle avoidance groove (5) and is slidably connected to the obstacle avoidance groove (5).

9. The automatic electrode positioning device for an electrical discharge machining tool according to claim 1, characterized in that: The bottom of the positioning clamping block (16) contacts the top of the compensation plate (7) and is slidably connected to the compensation plate (7).

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