Electrode detection device

Abstract

The utility model discloses an electrode detection device, which belongs to the field of electric discharge machining. The electrode detection device comprises: a workbench, a moving mechanism, a detection mechanism and a positioning mechanism, the workbench is provided with a plurality of placement parts for placing electrodes, the moving mechanism and a reference chuck are installed on the workbench, the detection mechanism is installed on the moving mechanism, and the positioning mechanism comprises: a reference chuck installed on the workbench, the reference chuck is used to position the electrode to be inspected, the moving mechanism is used to drive the detection mechanism to move in the lateral and longitudinal directions parallel to the horizontal plane, and the detection mechanism is used to detect the electrode to be inspected on the reference chuck. The utility model positions the electrode to be inspected by the reference chuck on the workbench, and can simulate the state of the electrode installed on the main shaft end of the discharge electrode bed, so that the electrode detection device can detect the electrode position in batches in advance outside the machine tool, solving the problem that the existing electrode detection in the machine tool seriously affects the processing production efficiency.

Description

Technical Field

[0001] The utility model belongs to the field of electric discharge machining, in particular to an electrode detection device. Background Art

[0002] Discharge machining refers to the process of electro-erosion machining of the workpiece by installing an electrode at the spindle end of the discharge electrode bed. When the center axis of the spindle and the center axis of the electrode are inconsistent, the discharge position will shift, resulting in overcutting of the workpiece.

[0003] In the prior art, it is generally necessary to install the electrode on the machine tool before the workpiece is discharged to verify whether the electrode center is consistent with the spindle center. This method is used to confirm whether the electrode can be used. The disadvantage of the above method is that the electrode is detected on the machine tool, which increases the standby processing time of the machine tool and seriously affects the processing production efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide an electrode detection device, which can detect the electrode position in batches in advance outside the machine tool, analyze the offset error, record the offset error, save on-machine detection time, improve the machine tool processing efficiency, and solve the problem that the existing electrode detection on the machine tool seriously affects the processing efficiency.

[0005] The technical solution of the utility model is: an electrode detection device comprises: a workbench, a moving mechanism, a detection mechanism and a positioning mechanism.

[0006] The workbench is provided with a plurality of placement parts for placing electrodes, the moving mechanism and the reference chuck are installed on the workbench, and the detection mechanism is installed on the moving mechanism.

[0007] The positioning mechanism comprises: a reference chuck mounted on a workbench, and the reference chuck is used to position the electrode to be tested.

[0008] The moving mechanism is used to drive the detection mechanism to move along the transverse and longitudinal directions parallel to the horizontal plane, and the detection mechanism is used to detect the electrode to be detected on the reference chuck.

[0009] In a further embodiment, the moving mechanism includes: a transverse guide rail, a transverse slider, a longitudinal guide rail, a longitudinal slider and two adjustment brackets.

[0010] The transverse guide rail is installed on the workbench and extends along a transverse direction parallel to the horizontal plane. The transverse sliding block is installed on the transverse guide rail and can move along the transverse direction parallel to the horizontal plane.

[0011] The longitudinal guide rail is installed on the workbench and extends along the longitudinal direction of the horizontal plane. The longitudinal sliding block is installed on the longitudinal guide rail and can move along the longitudinal direction parallel to the horizontal plane.

[0012] The two adjustment brackets are respectively mounted on the transverse slider and the longitudinal slider, and the two detection mechanisms are respectively mounted on the two adjustment brackets.

[0013] In a further embodiment, the side ends of the transverse slider and the longitudinal slider are provided with oil filling pipes to facilitate the filling of oil between the slider and the guide rail.

[0014] In a further embodiment, the positioning mechanism further comprises: a positioning plate, and the reference chuck, the positioning plate and the electrode to be tested are detachably connected.

[0015] A chuck plane portion and a protrusion are provided above the reference chuck, the upper surface of the chuck plane portion is the chuck plane reference, the side surface of the protrusion is the chuck side reference, the chuck plane reference is arranged parallel to the horizontal plane, and the chuck side reference is vertically matched with the horizontal plane.

[0016] A positioning plane portion and a groove portion are provided below the positioning piece. The lower surface of the positioning plane portion is a positioning plane reference, and the side surface of the groove portion is a positioning side surface reference.

[0017] The positioning plane reference and the positioning side reference are in contact with the chuck plane reference and the chuck side reference respectively, so as to ensure the consistency of coaxiality.

[0018] In a further embodiment, the positioning mechanism further includes: a fastener, and the positioning sheet is detachably connected to the electrode to be tested via the fastener.

[0019] In a further embodiment, the positioning mechanism further includes: a pull nail, a stop sleeve and a sealing ring.

[0020] The anti-rotation sleeve is installed on the positioning plate, the sealing ring is sleeved on the pull nail, one end of the pull nail is inserted into the anti-rotation sleeve, and the other end of the pull nail is inserted into the reference chuck.

[0021] The reference chuck is a pneumatic reference chuck, and a positioning hole cooperating with a pull nail is provided on the reference chuck, so that the installation and positioning operation can be facilitated.

[0022] In a further embodiment, the electrode detection device further comprises: a frame and a brake wheel, wherein the workbench is installed above the frame, and the brake wheel is installed below the frame, so that the detection device is easy to move.

[0023] In a further embodiment, the detection mechanism is a dial indicator, a micrometer or an optical level gauge.

[0024] In a further embodiment, the placement portion is a placement groove opened on the workbench.

[0025] Or the placing portion is a placing sleeve installed on the workbench.

[0026] The beneficial effects of the utility model are as follows: the electrode to be inspected is positioned by the reference chuck on the workbench, which can simulate the state of the electrode being installed on the spindle end of the discharge electrode bed, and a plurality of electrodes are placed by a plurality of placement parts on the workbench, so that the electrode detection device can batch detect the electrode position in advance outside the machine tool, analyze the offset error, and record the offset error, thereby saving on-machine detection time, improving the machining production efficiency of the machine tool, and solving the problem that the existing electrode detection on the machine tool seriously affects the machining production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an overall axonometric schematic diagram of the first embodiment of the utility model.

[0028] Figure 2 It is an exploded schematic diagram of the entire positioning mechanism of the utility model.

[0029] Figure 3 The utility model is an axonometric diagram of the cooperation between the positioning piece and the pull nail.

[0030] Figure 4 It is an exploded schematic diagram of the cooperation between the reference chuck and the positioning piece of the utility model.

[0031] The reference numerals shown in the figure are: workbench 100, placement part 110, frame 120, brake wheel 130, moving mechanism 200, longitudinal guide rail 201, longitudinal slider 202, adjustment bracket 203, limit block 204, detection mechanism 300, positioning mechanism 400, reference chuck 401, chuck plane reference 4011, chuck side reference 4012, toggle switch 402, air pipe 403, positioning plate 404, positioning plane reference 4041, positioning side reference 4042, stop sleeve 405, rivet 406, sealing ring 407, and electrode under test 500. DETAILED DESCRIPTION

[0032] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0033] The present application discloses an electrode detection device, which can detect the electrode position in batches in advance outside the machine tool, analyze the offset error, record the offset error, save on-machine detection time, improve the machine tool processing efficiency, and solve the problem that the existing electrode detection on the machine tool seriously affects the processing efficiency.

[0034] The electrode detection device comprises: a workbench 100 , a moving mechanism 200 , a detection mechanism 300 and a positioning mechanism 400 .

[0035] The workbench 100 is provided with a plurality of placement portions 110 for placing electrodes. The moving mechanism 200 and the reference chuck 401 are installed on the workbench 100 , and the detection mechanism 300 is installed on the moving mechanism 200 .

[0036] The positioning mechanism 400 includes: a reference chuck 401 installed on the workbench 100 , and the reference chuck 401 is used to position the electrode 500 to be tested.

[0037] The moving mechanism 200 is used to drive the detection mechanism 300 to move in the transverse and longitudinal directions parallel to the horizontal plane. The detection mechanism 300 is used to detect the electrode 500 to be detected on the reference chuck 401 .

[0038] exist Figure 1 In the illustrated embodiment, the electrode detection device further includes: a frame 120 and a brake wheel 130, wherein the workbench 100 is mounted above the frame 120, and the brake wheel 130 is mounted below the frame 120. The frame 120 and the brake wheel 130 enable the detection device to be easily moved, so that electrodes of multiple discharge bedplates can be easily detected or electrodes that have been detected can be easily transported to the position of the corresponding discharge bedplates.

[0039] Regarding the placement portion 110 , the placement portion 110 is a placement groove opened on the workbench 100 .

[0040] Or the placement portion 110 is a placement sleeve installed on the workbench 100 .

[0041] The shape of the inner wall of the placement portion 110 matches the shape of the outer wall of the electrode. The placement portion 110 can be used to place an electrode to be tested or to place an electrode that has been tested.

[0042] Regarding the moving mechanism 200, Figure 1 The moving mechanism 200 shown includes: a transverse guide rail, a transverse slider, a longitudinal guide rail 201 , a longitudinal slider 202 and two adjustment brackets 203 .

[0043] The transverse guide rail is installed on the workbench 100 and extends along a transverse direction parallel to the horizontal plane. The transverse slider is installed on the transverse guide rail and can move along the transverse direction parallel to the horizontal plane.

[0044] The longitudinal guide rail 201 is installed on the workbench 100 and extends along the longitudinal direction of the horizontal plane. The longitudinal slider 202 is installed on the longitudinal guide rail 201 and can move along the longitudinal direction parallel to the horizontal plane.

[0045] The two adjustment brackets 203 are respectively mounted on the transverse slider and the longitudinal slider 202 , and the two detection mechanisms 300 are respectively mounted on the two adjustment brackets 203 .

[0046] like Figure 1 As shown in the transverse guide rail and the longitudinal guide rail 201 end is also provided with a limit block 204, to prevent the transverse slider and the longitudinal slider 202 from moving out of the guide rail during detection.

[0047] The side ends of the transverse slider and the longitudinal slider 202 are provided with oil filling pipes, through which oil can be easily filled between the slider and the guide rail, thereby reducing the friction resistance between the slider and the guide rail.

[0048] Regarding the detection mechanism 300, the detection mechanism 300 is a dial indicator, a micrometer or an optical level gauge. Figure 1 In the illustrated embodiment, the two detection mechanisms 300 are dial indicators.

[0049] Regarding the positioning mechanism 400, the positioning mechanism 400 further includes: a positioning piece 404, and the reference chuck 401, the positioning piece 404 and the electrode to be tested 500 are detachably connected, such as Figure 2 The reference chuck 401 is detachably connected to the workbench 100 via bolts, and the reference chuck 401 positions the electrode 500 to be tested via a positioning piece 404 .

[0050] A chuck plane portion and a protrusion are provided above the reference chuck 401. The upper surface of the chuck plane portion is the chuck plane reference 4011, and the side of the protrusion is the chuck side reference 4012. The chuck plane reference 4011 is set parallel to the horizontal plane, and the chuck side reference 4012 is vertically matched with the horizontal plane.

[0051] A positioning plane portion and a groove portion are provided below the positioning piece 404 . The lower surface of the positioning plane portion is a positioning plane reference 4041 , and the side surface of the groove portion is a positioning side surface reference 4042 .

[0052] The positioning plane reference 4041 and the positioning side reference 4042 are in contact with the chuck plane reference 4011 and the chuck side reference 4012 respectively.

[0053] The reference plane positioning can ensure that the coaxiality of the positioning piece 404 is consistent after being installed at four 90-degree azimuth angles of 0°, 90°, 180°, and 270°.

[0054] exist Figure 2 In the illustrated embodiment, the positioning mechanism 400 further includes: a fastener, through which the positioning sheet 404 is detachably connected to the electrode to be tested 500 .

[0055] The fasteners can be pins or screws, such as Figure 2 The fastener shown is a screw, which passes through the positioning piece 404 and is threadedly engaged with the electrode 500 to be tested.

[0056] exist Figure 2In the illustrated embodiment, the positioning mechanism 400 further includes: a pull nail 406 , a rotation-stopping sleeve 405 and a sealing ring 407 .

[0057] The anti-rotation sleeve 405 is installed on the positioning piece 404 , and the sealing ring 407 is sleeved on the rivet 406 . One end of the rivet 406 is inserted into the anti-rotation sleeve 405 , and the other end thereof is inserted into the reference chuck 401 .

[0058] The reference chuck 401 is a pneumatic reference chuck 401 , and a positioning hole cooperating with the rivet 406 is provided on the reference chuck 401 .

[0059] The rivet 406 is provided with one end of a sealing ring 407 which is inserted into the positioning hole of the reference chuck 401. The part of the reference chuck 401 where the positioning hole is provided is a locking structure. An airway connected to the locking structure is provided inside the reference chuck 401. The airway is used to connect to an external negative pressure device through an air pipe 403.

[0060] like Figure 1 The workbench 100 is also provided with a toggle switch 402, which is used to connect to the electromagnetic valve of the external negative pressure device and to control the connection and disconnection of the locking structure of the reference chuck 401 and the external negative pressure device.

[0061] The pneumatic reference chuck 401 can facilitate installation and positioning operations, shortening the installation time before testing.

[0062] Working principle: During installation, according to Figure 3 and 4 The positioning plane reference 4041 and the positioning side reference 4042 of the positioning piece 404 are respectively contacted with the chuck plane reference 4011 and the chuck side reference 4012 of the reference chuck 401 for positioning and installation. The reference plane positioning can ensure that the coaxiality of the positioning piece 404 and the electrode after being installed at four 90° azimuth angles of 0°, 90°, 180°, and 270° is consistent. Start the toggle switch 402, and the gas is connected to the internal locking structure of the reference chuck 401 through the gas pipe 403 to tighten the pull pin 406, so that the positioning piece 404 with the electrode installed is installed on the reference chuck 401. On, respectively install the dial indicators on two adjustment brackets 203, contact the side wall surface of the electrode with the needles of the two dial indicators, move the dial indicators in the horizontal or vertical direction to trigger the needle jump, detect the side position of the electrode by the needle jump value, then rotate the electrode 180° and move the two dial indicators again to contact the two undetected side wall surfaces of the electrode, move the two dial indicators in the horizontal or vertical direction, and finally detect the center position of the four side walls of the electrode by the needle jump value, and put the detected electrodes into the electrode placement sleeves 1-4, waiting for the operating staff to pick them up for installation and discharge.

[0063] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.

Claims

1. An electrode detection device, characterized in that: include: Workbench, moving mechanism, detection mechanism and positioning mechanism; The workbench is provided with a plurality of placement parts for placing electrodes, the moving mechanism and the reference chuck are installed on the workbench, and the detection mechanism is installed on the moving mechanism; The positioning mechanism comprises: a reference chuck mounted on a workbench, the reference chuck being used to position the electrode to be inspected; The moving mechanism is used to drive the detection mechanism to move along the transverse and longitudinal directions parallel to the horizontal plane, and the detection mechanism is used to detect the electrode to be detected on the reference chuck.

2. An electrode detection device according to claim 1, characterized in that: The moving mechanism comprises: a transverse guide rail, a transverse slider, a longitudinal guide rail, a longitudinal slider and two adjustment brackets; The transverse guide rail is installed on the workbench and extends in a transverse direction parallel to the horizontal plane, and the transverse slider is installed on the transverse guide rail and can move in a transverse direction parallel to the horizontal plane; The longitudinal guide rail is installed on the workbench and extends along the longitudinal direction of the horizontal plane, and the longitudinal slider is installed on the longitudinal guide rail and can move along the longitudinal direction parallel to the horizontal plane; The two adjustment brackets are respectively mounted on the transverse slider and the longitudinal slider, and the two detection mechanisms are respectively mounted on the two adjustment brackets.

3. An electrode detection device according to claim 2, characterized in that: The side ends of the transverse slider and the longitudinal slider are provided with oil injection pipes.

4. An electrode detection device according to claim 1, characterized in that: The positioning mechanism further comprises: a positioning piece, and the reference chuck, the positioning piece and the electrode to be tested are detachably connected; A chuck plane portion and a protrusion are provided above the reference chuck, the upper surface of the chuck plane portion is the chuck plane reference, the side surface of the protrusion is the chuck side reference, the chuck plane reference is arranged parallel to the horizontal plane, and the chuck side reference is vertically matched with the horizontal plane; A positioning plane portion and a groove portion are provided below the positioning sheet, the lower surface of the positioning plane portion is a positioning plane reference, and the side surface of the groove portion is a positioning side surface reference; The positioning plane reference and the positioning side reference are in contact with the chuck plane reference and the chuck side reference respectively.

5. An electrode detection device according to claim 4, characterized in that: The positioning mechanism further comprises: a fastener, and the positioning sheet is detachably connected to the electrode to be tested via the fastener.

6. An electrode detection device according to claim 4, characterized in that: The positioning mechanism also includes: a pull nail, a rotation-stop sleeve and a sealing ring; The anti-rotation sleeve is installed on the positioning plate, the sealing ring is sleeved on the rivet, one end of the rivet is inserted into the anti-rotation sleeve, and the other end is inserted into the reference chuck; The reference chuck is a pneumatic reference chuck, and a positioning hole cooperating with a rivet is provided on the reference chuck.

7. An electrode detection device according to claim 1, characterized in that: Also includes: A frame and a brake wheel, wherein the workbench is installed above the frame, and the brake wheel is installed below the frame.

8. An electrode detection device according to claim 1, characterized in that: The detection mechanism is a dial indicator, a micrometer or an optical leveler.

9. An electrode detection device according to claim 1, characterized in that: The placement portion is a placement slot provided on the workbench; Or the placing portion is a placing sleeve installed on the workbench.

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