Graphite electrode mechanism for processing thin stand column

Abstract

The utility model provides a graphite electrode mechanism for processing a thin stand column, which relates to the technical field of graphite electrode processing equipment, and comprises a quick clamping component, the quick clamping component is used for clamping a graphite electrode, and the graphite electrode is used for carrying out electric discharge processing on parts; the rapid clamping assembly is connected with the connecting assembly, the connecting assembly comprises a frame body and an extension rod body, the frame body is rotationally connected with a lifting adjusting nut, the lifting adjusting nut is in threaded connection with the extension rod body, and the rapid clamping assembly is connected to the lower end of the extension rod body. The utility model has the beneficial effects that the extension rod body ascends and descends along with the rotation of the lifting adjusting nut; when a product in the shape of a thin stand column is machined or a deep hole is punched in the product, the graphite electrode cannot make contact with the surface of the product any more along with the deepening of the machined depth of the product, and at the moment, the lifting adjusting nut is rotated to lower the extension rod body, so that the size range of the product machined by the equipment is larger; and the use flexibility of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to graphite electrode processing equipment technical field especially graphite electrode mechanism for sheet stand column processing. BACKGROUND

[0002] Graphite electrode discharge machining is a kind of method for processing parts using electric spark machining technology, it has wide application in die manufacturing and mechanical processing industry. In die manufacturing, graphite electrode can be used for processing complex shape reinforcing rib etc. parts, reduces the input cost of electrode raw material, fixture, reduces the clamping times and positioning workload of electrode, the discharge time is shortened by 40% compared with using copper electrode processing, graphite electrode discharge machining plays an increasingly important role in modern industrial processing because of its high efficiency, high precision and low loss etc.

[0003] Graphite electrode is mainly set on the part to be processed when processing parts, through multiple descending and contacting with the surface of parts, to process parts, and the internal shape of the die is often very complex, some dies are provided with relatively deep curved surface, so that the positioning of graphite electrode before processing is very difficult, the general machine tool only has XYZ three axis adjustment, so it is very difficult for the operator to adjust the position and angle of graphite electrode.

[0004] In addition, since the Z-axis direction stroke of most machine tools is relatively limited, when processing some sheet stand columns, the depth or height direction shape of the part cannot be directly machined due to insufficient Z-axis direction stroke of the machine tool, if the Z-axis direction can be extended and adjusted during processing, the problem can be solved, the part can be machined without disassembling the part, the machining error can be minimized, so as to ensure the machining quality of the part. UTILITY MODEL CONTENT

[0005] The utility model overcomes the defects in the prior art, sets up the connecting assembly, the connecting assembly includes frame body and extension rod body, and the extension rod body is lifted along with the rotation of the lifting adjusting nut;When processing sheet stand column shaped products or punching deep holes in products, as the depth of the product being processed deepens, the graphite electrode cannot contact the surface of the product any more, at this time, the extension rod body is lowered by rotating the lifting adjusting nut, so that the graphite electrode can process the product deeper. This can make the product size range of the equipment larger, increase the flexibility of the equipment use.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] The utility model provides a graphite electrode mechanism for sheet column processing, which comprises a quick clamping assembly for clamping a graphite electrode used for discharging machining of parts.

[0008] The quick clamping assembly is connected with a connecting assembly, the connecting assembly comprises a frame body and an extension rod body, the frame body is rotationally connected with a lifting adjusting nut, the lifting adjusting nut is threadedly connected with the extension rod body, and the quick clamping assembly is connected to the lower end of the extension rod body.

[0009] When the sheet column-shaped product is machined, as the depth of the product being machined deepens, the graphite electrode can no longer contact the surface of the product, at which time the lifting adjusting nut is rotated to lower the extension rod body, so that the graphite electrode can machine a deeper place of the product.

[0010] Further, the frame body comprises an upper connecting plate and a sliding insertion connecting seat, the upper connecting plate is connected with a horizontal adjusting table, the upper end of the horizontal adjusting table is connected with a rotary adjusting table, and the upper end of the rotary adjusting table is connected with a machine tool.

[0011] Further, the extension rod body is slidingly inserted into the sliding insertion connecting seat, the lifting adjusting nut is located directly above the sliding insertion connecting seat, the extension rod body is threadedly connected with a locking nut, and when the locking nut abuts against the lifting adjusting nut, the position of the extension rod body in the frame body is fixed.

[0012] Further, the extension rod body is fixedly connected with a connecting seat body, and the lower side of the connecting seat body is provided with a connecting sliding groove.

[0013] The quick clamping assembly comprises a clamping base provided with a connecting sliding rail, and the connecting sliding rail is inserted into the connecting sliding groove.

[0014] The connecting seat body is connected with a fixing bolt, and the fixing bolt is threadedly connected with the connecting sliding rail.

[0015] Further, the rotary adjusting table is used for adjusting the graphite electrode by 360 degrees in a circumferential angle on an XY plane, and the horizontal adjusting table is used for adjusting the graphite electrode by an angle in an XYZ space.

[0016] The horizontal adjusting table comprises a horizontal adjusting base, and the horizontal adjusting base comprises a horizontal base plate and an adjusting ball, the adjusting ball is connected with a holding seat body, and the holding seat body can be positioned at multiple angles relative to the adjusting ball.

[0017] Further, the holding seat body is provided with two or more than two holding seat bodies, the holding seat body comprises a leveling plate and an inner spherical groove, and the two or more than two holding seat bodies are connected together, and the space formed by the inner spherical grooves can accommodate one adjusting ball.

[0018] Further, the horizontal adjusting base and the embracing seat are provided with a spring, the leveling plate is screw-connected with an adjusting bolt, the end of the adjusting bolt abuts against the horizontal base plate, and the angle between the leveling plate and the horizontal base plate can be adjusted by rotating the adjusting bolt.

[0019] Further, the embracing seat is further provided with a conical hole, the conical hole is communicated with the inner spherical groove, and the small-diameter end of the conical hole is close to the spherical groove.

[0020] Further, the quick clamping assembly comprises a clamping base, clamping cylinders are arranged on the two sides of the clamping base, the clamping cylinders are connected with clamping blocks, and the clamping blocks are slidingly connected to the inside of the clamping base.

[0021] Further, the inside of the clamping base is provided with an embedded groove, embedded steps are arranged on the two sides of the embedded groove, and the clamping blocks coincide with the embedded steps when the clamping cylinders are contracted.

[0022] The graphite electrode is provided with a seat limiting clamping block and a seat clamping block, the width of the seat limiting clamping block is greater than that of the seat clamping block, and after the graphite electrode is placed in the embedded groove, the clamping blocks clamp the seat clamping block from the two sides of the seat clamping block.

[0023] Compared with the prior art, the utility model has the beneficial effects that:

[0024] 1. The connecting assembly is arranged, the connecting assembly comprises a frame body and an extension rod body, the extension rod body is lifted and lowered along with the lifting and lowering of the lifting and lowering adjusting nut, when a product in the shape of a thin slice column or a product with a deep hole is machined, as the depth of the product being machined deepens, the graphite electrode cannot contact the surface of the product any more, at this time, the extension rod body is lowered by rotating the lifting and lowering adjusting nut, and the graphite electrode can machine the product deeper. In this way, the size range of the product machined by the equipment is larger, and the flexibility of the equipment is increased.

[0025] 2. The rotating adjusting table and the horizontal adjusting table are arranged, the graphite electrode can be adjusted in the circumferential angle on the XY plane and in the angle on the XYZ space, the graphite electrode can be finely adjusted in multiple angles when the product is machined by the electric discharge machining, the product with a deep curved surface can be machined more accurately, and thus the quality and the size precision of the product machining are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the utility model, together with the embodiments of the utility model, to explain the utility model, and do not constitute a limitation to the utility model, and in the drawings:

[0027] Figure 1 is a graphite electrode mechanism overall schematic view of the embodiments of the utility model;

[0028] Figure 2 is the explosion schematic view of the graphite electrode mechanism of the embodiment of the utility model;

[0029] Figure 3 is the explosion schematic view of the connecting assembly of the embodiment of the utility model;

[0030] Figure 4 is the structure schematic view of the quick clamping assembly of the embodiment of the utility model;

[0031] Figure 5 is the first explosion schematic view of the quick clamping assembly of the embodiment of the utility model;

[0032] Figure 6 is the second explosion schematic view of the quick clamping assembly of the embodiment of the utility model;

[0033] Figure 7 is the first explosion schematic view of the horizontal adjusting platform of the embodiment of the utility model;

[0034] Figure 8 is the second explosion schematic view of the horizontal adjusting platform of the embodiment of the utility model;

[0035] Figure 9 is the perspective view of the horizontal adjusting platform of the embodiment of the utility model.

[0036] In the drawing: 1, rotating adjusting platform; 2, horizontal adjusting platform; 201, horizontal adjusting base; 2011, horizontal base plate; 2012, adjusting spherical body; 2013, first spring fitting groove; 202, embracing seat body; 2021, leveling plate; 2022, inner spherical groove; 2023, conical hole; 203, spring; 204, adjusting bolt; 3, connecting assembly; 301, frame body; 3011, upper connecting plate; 3012, sliding insertion connecting seat; 302, extension rod body; 3021, connecting seat body; 3022, connecting sliding groove; 303, locking nut; 304, lifting adjusting nut; 305, fixing bolt; 4, quick clamping assembly; 401, clamping base; 4011, connecting sliding rail; 4012, fitting step; 4013, fitting groove; 402, clamping cylinder; 403, clamping block; 5, graphite electrode; 501, seat body limiting clamping block; 502, seat body clamped block. DETAILED DESCRIPTION

[0037] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0038] As Figures 1 to 9As shown, a graphite electrode mechanism for processing sheet column, comprising a quick clamping assembly 4, the quick clamping assembly 4 clamps a graphite electrode 5, the graphite electrode 5 is used for discharging machining of parts;

[0039] The quick clamping assembly 4 is connected with the connecting assembly 3, the connecting assembly 3 comprises a frame body 301 and an extension rod body 302, the frame body 301 is rotationally connected with a lifting adjusting nut 304, the lifting adjusting nut 304 is threadedly connected with the extension rod body 302, and the quick clamping assembly 4 is connected to the lower end of the extension rod body 302; rotating the lifting adjusting nut 304 causes the extension rod body 302 to lift or lower; when processing products in the shape of sheet column or punching deep holes in products, as the depth of the product being processed deepens, the graphite electrode 5 cannot contact the surface of the product any more, at this time, rotating the lifting adjusting nut 304 causes the extension rod body 302 to lower, so that the graphite electrode 5 can process deeper parts of the product, which can make the size range of the product processed by the equipment larger and increase the flexibility of the equipment.

[0040] The frame body 301 comprises an upper connecting plate 3011 and a sliding insertion connecting seat 3012, the upper connecting plate 3011 is connected with the horizontal adjusting table 2, the upper end of the horizontal adjusting table 2 is connected with the rotary adjusting table 1, the upper end of the rotary adjusting table 1 is connected with the machine tool, the extension rod body 302 is slidingly inserted into the sliding insertion connecting seat 3012, the lifting adjusting nut 304 is located directly above the sliding insertion connecting seat 3012, and the extension rod body 302 is threadedly connected with the locking nut 303; when the locking nut 303 abuts against the lifting adjusting nut 304, the position of the extension rod body 302 in the frame body 301 is fixed; in the embodiment, the sliding insertion connecting seat 3012 is in the shape of a cylinder, a sliding insertion hole is arranged at the center of the cylinder, and the extension rod body 302 can move up and down in the sliding insertion hole; the sliding insertion hole limits the freedom of the extension rod body 302 in directions other than the Z-axis direction, so that the extension rod body 302 will not shake or the like during the working process.

[0041] When processing products in the shape of sheet column or punching deep holes in products, as the Z-axis direction of the equipment is limited, at this time, the upper part of the product can be processed first, and after the upper part is processed, the height of the quick clamping assembly 4 is lowered; when the height of the quick clamping assembly 4 needs to be adjusted, the locking nut 303 is first adjusted to a position where the extension rod body 302 is far away from the connecting seat body 3021, then the lifting adjusting nut 304 is rotated to cause the extension rod body 302 to lift or lower to adjust the height of the quick clamping assembly 4, then the locking nut 303 is lowered until it abuts against the lifting adjusting nut 304; at this time, the extension rod body 302 is fixed, the height of the quick clamping assembly 4 is determined, and the graphite electrode 5 can continue to process the product.

[0042] The extension rod body 302 is connected with the connecting seat body 3021, and the lower side of the connecting seat body 3021 is provided with a connecting sliding groove 3022; the quick clamping assembly 4 comprises a clamping base 401 provided with a connecting sliding rail 4011 inserted into the connecting sliding groove 3022; the connecting seat body 3021 is connected with a fixing bolt 305 which is threadedly connected with the connecting sliding rail 4011. When the graphite electrode 5 is replaced, if the seat body limiting clamping block 501 and the seat body clamping block 502 have unchanged sizes, the graphite electrode 5 can be separated from the quick clamping assembly 4.

[0043] If the seat body limiting clamping block 501 and the seat body clamping block 502 have changed sizes, the fixing bolt 305 can be loosened, the quick clamping assembly 4 can be separated from the connecting assembly 3, and the graphite electrode 5 can also be quickly disassembled after the quick clamping assembly 4 is disassembled, so that the efficiency of changing the model is improved, and the graphite electrode mechanism can adapt to the clamping of graphite electrodes 5 of various shapes and sizes, and the equipment is convenient for processing products.

[0044] The rotary adjusting table 1 is used for adjusting the circumferential angle of the graphite electrode 5 on the XY plane by 360 degrees, and the horizontal adjusting table 2 is used for adjusting the angle of the graphite electrode 5 in the XYZ space, so that the rotary adjusting table 1 and the horizontal adjusting table 2 cooperate to enable the graphite electrode 5 to be finely adjusted at multiple angles when discharging the product, so that the positioning is more accurate when processing the product with a deep curved surface, thereby ensuring the quality and size precision of product processing.

[0045] The horizontal adjusting table 2 comprises a horizontal adjusting base 201 comprising a horizontal base plate 2011 and an adjusting ball 2012, the adjusting ball 2012 is connected with a clamping seat body 202 which can be positioned at multiple angles relative to the adjusting ball 2012. The clamping seat body 202 is provided with two or more, and two clamping seat bodies 202 are provided in the embodiment. The clamping seat bodies 202 are connected by bolts, and the clamping seat bodies 202 comprise a leveling plate 2021 and an inner spherical groove 2022, the two clamping seat bodies 202 are connected together, and the space formed by the inner spherical groove 2022 can accommodate an adjusting ball 2012, so that the two clamping seat bodies 202 can rotate around the outer periphery of the adjusting ball 2012 after being connected together.

[0046] The spring 203 is arranged between the horizontal adjusting base 201 and the embracing seat body 202, the adjusting bolt 204 is threadedly connected with the leveling plate 2021, the end of the adjusting bolt 204 abuts against the horizontal base plate 2011, the angle between the leveling plate 2021 and the horizontal base plate 2011 can be adjusted by rotating the adjusting bolt 204, and the spring 203 is favorable for keeping a certain stability between the horizontal adjusting base 201 and the embracing seat body 202 when the adjusting bolt 204 is not completely adjusted, so that the embracing seat body 202 will not shake due to collision, and the position of the embracing seat body 202 is convenient for the operator to adjust.

[0047] The embracing seat body 202 is further provided with the conical hole 2023 which is communicated with the inner spherical groove 2022, the inner diameter of the small end of the conical hole 2023 is close to the spherical groove 2022, the adjusting ball 2012 is fixedly connected with the horizontal base plate 2011 through a cylinder, the cylinder is inserted into the conical hole 2023, thus the end of the cylinder connected with the horizontal base plate 2011 is located at the large end of the conical hole 2023, so that the embracing seat body 202 can swing within the taper range of the conical hole 2023, thereby the angle between the leveling plate 2021 and the horizontal base plate 2011 can be adjusted, the angle of the connecting assembly 3 connected with the embracing seat body 202 is set through setting the angle between the leveling plate 2021 and the horizontal base plate 2011, thereby the relative angle between the lower end of the graphite electrode 5 and the product 6 is adjusted, and the graphite electrode 5 is convenient for processing products of different shapes in different swing directions.

[0048] The quick clamping assembly 4 comprises a clamping base 401, clamping cylinders 402 are arranged on both sides of the clamping base 401, the clamping cylinders 402 are connected with clamping blocks 403 which are slidingly connected in the clamping base 401. The clamping base 401 is internally provided with an embedded groove 4013, embedded steps 4012 are arranged on both sides of the embedded groove 4013, when the clamping cylinders 402 are contracted, the clamping blocks 403 coincide with the embedded steps 4012; the graphite electrode 5 is provided with a seat limiting clamping block 501 and a seat clamped block 502, the width of the seat limiting clamping block 501 is greater than that of the seat clamped block 502, after the graphite electrode 5 is placed into the embedded groove 4013, the clamping blocks 403 clamp the seat clamped block 502 from both sides of the seat clamped block 502, because the width of the seat limiting clamping block 501 is greater than that of the seat clamped block 502, when the clamping blocks 403 clamp the seat clamped block 502, the clamping blocks 403 can also limit the seat limiting clamping block 501 between the clamping base 401 and the clamping blocks 403, so that the graphite electrode 5 will not easily come off from the clamping base 401.

[0049] Finally, it should be noted that the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model is described in detail with reference to the embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, but any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A graphite electrode mechanism for sheet post processing, characterized by, The application relates to a graphite electrode clamping device for electric discharge machining of parts, which comprises a quick clamping assembly (4) for clamping a graphite electrode (5) used for electric discharge machining of parts. The quick clamping assembly (4) is connected with a connecting assembly (3), the connecting assembly (3) comprises a frame body (301) and an extension rod body (302), the frame body (301) is rotationally connected with a lifting adjusting nut (304), the lifting adjusting nut (304) is threadedly connected with the extension rod body (302), and the quick clamping assembly (4) is connected to the lower end of the extension rod body (302). When the lifting adjusting nut (304) is rotated, the extension rod body (302) is lifted or lowered; when a product in the shape of a thin sheet column is machined, as the product is machined to a greater depth, the graphite electrode (5) cannot contact the surface of the product any more; at this time, the lifting adjusting nut (304) is rotated to lower the extension rod body (302), so that the graphite electrode (5) can machine the product to a greater depth.

2. The graphite electrode mechanism for sheet column processing according to claim 1, characterized by, The frame body (301) comprises an upper connecting plate (3011) and a sliding insertion connecting seat (3012), the upper connecting plate (3011) is connected with a horizontal adjusting table (2), the upper end of the horizontal adjusting table (2) is connected with a rotary adjusting table (1), and the upper end of the rotary adjusting table (1) is connected with a machine tool.

3. The graphite electrode mechanism for sheet column processing according to claim 2, characterized by, The extension rod body (302) is slidingly inserted into the sliding insertion connecting seat (3012), the lifting adjusting nut (304) is located directly above the sliding insertion connecting seat (3012), the extension rod body (302) is threadedly connected with a locking nut (303), and when the locking nut (303) abuts against the lifting adjusting nut (304), the position of the extension rod body (302) in the frame body (301) is fixed.

4. The graphite electrode mechanism for sheet column processing according to claim 3, characterized by, The extension rod body (302) is connected with a connecting seat body (3021), and the lower side of the connecting seat body (3021) is provided with a connecting sliding groove (3022). The quick clamping assembly (4) comprises a clamping base (401) provided with a connecting sliding rail (4011) which is inserted into the connecting sliding groove (3022). The connecting seat body (3021) is connected with a fixing bolt (305) which is threadedly connected with the connecting sliding rail (4011).

5. The graphite electrode mechanism for sheet column processing according to claim 2, characterized by The rotary adjusting table (1) is used for adjusting the graphite electrode (5) in a 360-degree circumferential angle on an XY plane, and the horizontal adjusting table (2) is used for adjusting the graphite electrode (5) in an angle on an XYZ space. The horizontal adjusting table (2) comprises a horizontal adjusting base (201) comprising a horizontal base plate (2011) and an adjusting ball (2012), the adjusting ball (2012) is connected with a holding seat body (202), and the holding seat body (202) can be positioned at multiple angles relative to the adjusting ball (2012).

6. The graphite electrode mechanism for sheet column processing according to claim 5, characterized by, The holding seat body (202) is provided with two or more than two holding seat bodies (202) comprising a leveling plate (2021) and an inner spherical groove (2022), the two or more than two holding seat bodies (202) are connected together, and the space formed by the inner spherical grooves (2022) can accommodate one adjusting ball (2012).

7. The graphite electrode mechanism for sheet column processing according to claim 6, characterized by, The horizontal adjusting base (201) and the embracing seat body (202) are provided with a spring (203), the leveling plate (2021) is screw-connected with an adjusting bolt (204), the end of the adjusting bolt (204) is abutted against the horizontal base plate (2011), and the angle between the leveling plate (2021) and the horizontal base plate (2011) can be adjusted by rotating the adjusting bolt (204).

8. The graphite electrode mechanism for sheet column processing according to claim 7, characterized by, The embracing seat body (202) is further provided with a conical hole (2023) which is communicated with the inner spherical groove (2022), and the end of the conical hole (2023) with a small inner diameter is close to the spherical groove (2022).

9. The graphite electrode mechanism for processing of a sheet column according to any one of claims 1 to 8, characterized by, The quick clamping assembly (4) comprises a clamping base (401), clamping cylinders (402) are arranged on both sides of the clamping base (401), the clamping cylinders (402) are connected with clamping blocks (403), and the clamping blocks (403) are slidingly connected in the clamping base (401).

10. The graphite electrode mechanism for sheet column processing according to claim 9, characterized by, The clamping base (401) is internally provided with an embedded groove (4013), embedded steps (4012) are arranged on both sides of the embedded groove (4013), and the clamping blocks (403) coincide with the embedded steps (4012) when the clamping cylinders (402) are contracted. The graphite electrode (5) is provided with a seat limiting clamping block (501) and a seat clamped block (502), the width of the seat limiting clamping block (501) is greater than that of the seat clamped block (502), and after the graphite electrode (5) is placed in the embedded groove (4013), the clamping blocks (403) clamp the seat clamped block (502) from both sides of the seat clamped block (502).

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