Electrode center measuring mechanism based on pneumatic clamping

Abstract

The utility model relates to the technical field of electrode processing and detection, and discloses an electrode center measuring mechanism based on pneumatic clamping, which comprises a marble platform precision plane, a bracket is arranged at the top of the marble platform precision plane, one side of the bracket is connected with two EROWA starting seats, one side of each EROWA starting seat is provided with a positioning pin, and the other side of each EROWA starting seat is provided with a positioning pin. And an EROWA chuck is installed through a positioning pin, the EROWA chuck adopts a pneumatic driving mode, the clamping force can be accurately controlled to clamp an electrode, and a base is installed at the front end of the precise plane of the marble platform. According to the utility model, a marble platform precision plane is adopted as a reference, the influence of temperature change on the measurement reference can be obviously inhibited by the characteristics of high rigidity and low thermal expansion coefficient (the thermal deformation is reduced by about 60%-70% compared with that of a metal material), and a bolt locking structure of a chromium-plated rod-sleeve tool is matched to form dual stability guarantee.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrode processing and detection, specifically to an electrode center measuring mechanism based on pneumatic clamping. BACKGROUND

[0002] In the electrode processing process, accurately measuring the center position of the electrode is crucial to ensure the processing precision of the electrode. The existing electrode center measuring method has some deficiencies, for example, the structure of some devices is complex, and the operation is cumbersome, resulting in low measuring efficiency; some devices are unstable in clamping, and the electrode is prone to displacement during the measuring process, thereby affecting the accuracy of the measuring result. Therefore, it is of great practical significance to develop an electrode center measuring mechanism with simple structure, convenient operation, stable clamping and high measuring precision. SUMMARY

[0003] The utility model discloses a kind of electrode center measuring mechanisms based on pneumatic clamping, solve the technical problem of low measuring precision, reach the purpose of realizing the clamping of electrode using pneumatic technology, ensure that electrode position is stable during the measuring process, avoid displacement error.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of electrode center measuring mechanism based on pneumatic clamping, including marble platform precision plane, the top of the marble platform precision plane is placed with support seat, one side of the support seat is connected with two EROWA starting seat children, one side of the EROWA starting seat children is equipped with positioning pin, EROWA chuck is installed by positioning pin, EROWA chuck adopts pneumatic drive mode, can accurately control clamping force and be clamped electrode.

[0005] Preferably, the front end of the marble platform precision plane is provided with a base, and the top of the base is provided with a chromium-plated rod.

[0006] Preferably, the top of the chromium-plated rod is provided with a sleeve, the sleeve is provided with a height gauge probe, the two sides of the sleeve are provided with pressing grooves, and the sleeve is provided with bolt holes, the pressing grooves are tightly sutured by using bolts and nuts, so that the sleeve is tightly fixed on the chromium-plated rod, and the height gauge probe is tightly fixed on the sleeve, thereby ensuring that the sleeve does not deviate during electrode measurement.

[0007] Preferably, the height gauge probe is provided with a height measuring instrument.

[0008] The utility model provides an electrode center measuring mechanism based on pneumatic clamping. It has the following advantages:

[0009] (1), the utility model discloses a marble platform precision plane as reference, its high rigidity and low thermal expansion coefficient characteristic (compared with metal material thermal deformation amount reduces about 60 %-70 %) can significantly inhibit the influence of temperature change to the measuring reference, cooperate the bolt locking structure of chrome-plated bar - cover set, form double stability guarantee.

[0010] (2), the utility model discloses through pneumatic drive EROWA chuck realizes 0.3 seconds in completing electrode clamping (traditional hydraulic mode needs 3-5 seconds), cooperates and realizes repeated positioning accuracy ≤0.005mm with positioning pin, combines the support seat movement module (assuming that servo motor drive is adopted) can make electrode position adjustment speed to improve 50 % or more.

[0011] (3), the utility model discloses through height measuring instrument automatic record deviation (resolution 0.001mm), directly generates spark machine compensation table data interface file, realizes " measurement - compensation - processing " whole process digitization, compared with about 70 % of auxiliary time reduction of manual record compensation mode, significantly improves overall processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the overall structure perspective drawing of the utility model;

[0013] Fig. 2 It is the overall structure front view of the utility model.

[0014] In the drawing: marble platform precision plane 21, support seat 22, EROWA starting seat 23, EROWA chuck 24, electrode 25, base 26, chrome-plated bar 27, cover set 28, height gauge probe 29, height measuring instrument 30. DETAILED DESCRIPTION

[0015] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0016] The examples of the described embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0017] Based on the problem of low measurement accuracy existing at present, the preferred embodiment of the electrode center measurement mechanism based on gas clamping provided by the utility model like Figs. 1-2As shown: a kind of electrode center measurement mechanism based on gas clamping, including marble platform precision plane 21, the top of marble platform precision plane 21 is placed with holder 22, one side of holder 22 is connected with two EROWA starting seat children 23, one side of EROWA starting seat children 23 is equipped with positioning pin, EROWA chuck 24 is installed by positioning pin, EROWA chuck 24 adopts pneumatic drive mode, can accurately control clamping force to clamp electrode 25;The front end of marble platform precision plane 21 is installed with base 26, the top of base 26 is installed with chromium-plated rod 27, the top of chromium-plated rod 27 is equipped with sleeve 28, height gauge probe 29 is penetrated on the sleeve 28, the both sides of sleeve 28 are equipped with compression groove, and are equipped with bolt hole, by using bolt, nut, compression groove is tightly sutured, promotes that sleeve 28 is tightly fixed on chromium-plated rod 27, height gauge probe 29 is fastened on sleeve 28, so as to ensure that during electrode measurement, sleeve 28 does not deviate, height measuring instrument 30 is set on height gauge probe 29.

[0018] In use, the electrode to be measured 25 is placed on the EROWA chuck 24, the EROWA chuck 24 is inflated by the pneumatic system, the clamping jaw on the EROWA chuck 24 clamps the electrode 25, after the electrode is clamped, according to the size and shape of the electrode, the position of the electrode 25 is adjusted by moving the holder 22, so that the height gauge probe 29 on the height measuring instrument 30 is in contact with the surface of the electrode 25, and the center line of the electrode 25 needs to coincide with the center of the spindle of the spark machine during processing, so that the coordinate point of the electrode 25 and the coordinate point of the spark machine are located on the same horizontal line.

[0019] Step 1: start the height measuring instrument 30, first zero the height measuring instrument 30.

[0020] Step 2: turn the bottom surface of the electrode 25 to 180°, and the height gauge probe 29 is on the electrode 25, at this time, if the center of the electrode 25 is exactly on the center line, the height gauge shows 0.000, if there is a deviation, the height measuring instrument 30 can measure the deviation value between the two surfaces of step 1 and step 2, which is the final center deviation value of the electrode, and the electrode 25 is transferred to the spark machine, and the center deviation value is compensated to the machine compensation table, and the reading of the height measuring instrument 30 is recorded.

[0021] Finally, it should be pointed out that the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent substitutions for some technical features. Any modification, equivalent substitution, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A gas clamping based electrode center measuring mechanism comprising a marble table precision plane (21), characterized in that: The top of the marble platform precision plane (21) is provided with a support (22), one side of the support (22) is connected with two EROWA starting seats (23), one side of the EROWA starting seat (23) is provided with a positioning pin, an EROWA chuck (24) is installed through the positioning pin, the EROWA chuck (24) is driven in a pneumatic manner and can accurately control the clamping force to clamp an electrode (25).

2. The electrode center measurement mechanism based on air clamping according to claim 1, wherein: The front end of the marble platform precision plane (21) is provided with a base (26), and the top of the base (26) is provided with a chromium plated rod (27).

3. The centering mechanism of claim 2, wherein: The top of the chromium plated rod (27) is provided with a sleeve (28), the sleeve (28) is provided with a height gauge probe (29) penetratingly arranged thereon, the two sides of the sleeve (28) are provided with pressing grooves and are provided with bolt holes, the pressing grooves are tightly sutured through the use of bolts and nuts, the sleeve (28) is tightly fixed on the chromium plated rod (27), and the height gauge probe (29) is tightly fixed on the sleeve (28), so that the sleeve (28) cannot be deviated during the measurement of the electrode.

4. The centering mechanism of claim 3, wherein: The height gauge probe (29) is provided with a height measuring instrument (30).

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