CN210306124U - Electrode assembly and electric machining machine tool - Google Patents
Electrode assembly and electric machining machine tool Download PDFInfo
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- CN210306124U CN210306124U CN201920540031.4U CN201920540031U CN210306124U CN 210306124 U CN210306124 U CN 210306124U CN 201920540031 U CN201920540031 U CN 201920540031U CN 210306124 U CN210306124 U CN 210306124U
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- electrode assembly
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Abstract
The utility model discloses an electrode subassembly and electrical machine tool, it belongs to the electrical machining field, including the fixed plate, fixed plate one side is equipped with a plurality of connecting rods, and the fixed plate opposite side is equipped with the connecting seat, and the connecting rod tip is equipped with the electrode, the utility model discloses the electrode passes through the connecting rod to be connected, realizes the discharge machining of deep hole, avoids the electrode rupture problem that the electrode overlength leads to. The preferred threaded connection structure that uses of connected mode of connecting rod and fixed plate processes a plurality of screw holes on the fixed plate, connecting rod and screw hole threaded connection, can also adopt following structure certainly: threaded holes are formed in the two ends of the connecting rod, a stepped hole structure is also formed in the fixing plate, and the connecting rod is fixed on the fixing plate through screws. And the electrode is fixed on the connecting rod through a screw.
Description
Technical Field
The utility model relates to an electrical discharge machining technical field, concretely relates to electrode subassembly and electrical machine tool.
Background
The hole processing of some products uses the ordinary cutting processing mode, easily makes the product warp. Taking a wind tunnel nozzle honeycomb device as an example, a large number of special-shaped grid holes distributed in an array are arranged on the honeycomb device, and the distance between every two adjacent grid holes is required to be 2mm, the depth is required to be 120mm, and the verticality is less than or equal to 0.12 mm. Because the grid holes have small space, large quantity, deep holes and high processing precision, the grid holes are difficult to process by adopting a common cutting processing mode.
At present, the machining of the high-precision dense holes mainly adopts an electrode machining mode, but the problems of inconvenient replacement and adjustment, incapability of machining deep holes and low machining efficiency exist at all times.
In view of the problems existing in the prior art, the utility model discloses combine many years' design and experience of use in relevant field, assisted by too strong professional knowledge, designed and manufactured an electrode subassembly and electrical machine tool, overcome above-mentioned defect.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a pair of electrode subassembly and electrical machine tool can realize deep hole machining, reduces the processing cost, improves machining efficiency, guarantees the machining precision.
In order to realize the purpose, the utility model discloses a technical scheme as follows: an electrode assembly comprises a fixing plate, wherein a plurality of connecting rods are arranged on one side of the fixing plate, and electrodes are arranged at the end parts of the connecting rods.
As a preferred technical scheme, one end of the connecting rod, which is close to the electrode, is provided with a threaded hole, and a connecting screw penetrates through the electrode and is fixedly connected with the connecting rod.
Preferably, the cross section of the electrode is polygonal.
As a preferred technical scheme, a plurality of connecting rods are distributed in an array.
According to a preferable technical scheme, the electrodes are graphite electrodes, and the connecting rods are made of metal materials.
An electric machining machine tool comprises a main shaft, a positioning assembly and the electrode assembly, wherein the electrode assembly is fixed on the main shaft through the positioning assembly;
the positioning assembly comprises a connecting piece II and a connecting piece I, one end of the connecting piece I is connected with the electrode assembly, the other end of the connecting piece I is connected with the connecting piece II, and one side, far away from the connecting piece I, of the connecting piece II is connected with the machine tool spindle.
As a preferred technical scheme, a concave hole is formed in the second connecting piece, a plurality of positioning blocks are convexly arranged at one end of the second connecting piece, and the plurality of positioning blocks are circumferentially distributed on the outer side of the concave hole;
one end of the connecting piece is provided with a plurality of positioning grooves corresponding to the positioning blocks;
the first end of the pull rod is connected with the first connecting piece, and the second end of the pull rod extends into the second concave hole of the first connecting piece to be locked.
According to the preferable technical scheme, a through hole is formed in the first connecting piece, a limiting boss is arranged on the inner wall of the through hole, a butting boss is arranged at the first end of the pull rod, and the butting boss is abutted to the limiting boss.
As preferred technical scheme, be provided with the retaining member in the two shrinkage pool of connecting piece, the pull rod second end is provided with the locking recess, the retaining member can radially remove in order to get into or break away from the locking recess, just the retaining member is right the pull rod is applyed or is released axial tension.
As a preferred technical scheme, the locking part is provided with a plurality of, the locking part includes locking screw, locking screw one end is provided with bulb or steel ball.
The utility model discloses an useful part lies in:
the utility model discloses electrode assembly's electrode passes through the connecting rod to be connected for the discharge machining end of electrode keeps away from the fixed plate, realizes the discharge machining of deep hole, avoids using the easy problem of rupture of the electrode that integral type graphite electrode length overlength leads to, moreover because the electrode is the loss piece, this structure can conveniently be changed the electrode, avoids using the problem of the whole change of 3 electrodes that integral type electrode leads to, practices thrift manufacturing cost.
The utility model discloses electrical machine tool, connecting piece one is connected with electrode subassembly, and connecting piece two sets up on the lathe main shaft, together installs connecting piece one, pull rod and electrode subassembly on the lathe, and connecting piece one and connecting piece two-phase cooperation have realized electrode subassembly's quick location and clamping, and electrode subassembly dismantles the convenience.
Drawings
FIG. 1 is a first perspective view of an electrode assembly;
FIG. 2 is a second perspective view of an electrode assembly;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 4 is a schematic view of a portion of an electrical machine tool;
FIG. 5 is a schematic view of a first configuration of the retaining member;
FIG. 6 is a second schematic view of the retaining member;
FIG. 7 is a first perspective view of the first connecting member;
FIG. 8 is a second perspective view of the first connecting member;
FIG. 9 is a schematic structural view of a second connecting member;
fig. 10 is a schematic view of an electrical machine tool.
In the figure: 1-fixing plate, 2-connecting rod, 3-electrode, 4-connecting seat, 5-connecting piece I, 6-connecting piece II, 7-pull rod, 8-main shaft, 9-locking screw, 51-limiting boss, 52-positioning groove, 53-stepped hole, 61-positioning block, 62-concave hole, 71-butting boss, 72-locking groove, 91-ball head and 92-steel ball.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 10
The first embodiment is as follows:
an electrode assembly specifically comprises a fixing plate 1, wherein one side of the fixing plate 1 is provided with a plurality of connecting rods 2, the other side of the fixing plate 1 is provided with a connecting seat 4, and the end part, far away from the fixing plate 1, of each connecting rod 2 is provided with an electrode 3. The arrangement of the electrodes 3 is arranged according to the arrangement condition of the processing holes, such as array arrangement, and the like, so that the simultaneous processing of a plurality of holes is realized, and the processing efficiency is improved in multiples. The cross-sectional shape of the electrode 3 is selected by the shape of the machined hole, such as a hexagon, and will not be described in detail herein, in this embodiment, the electrode 3 is preferably a graphite electrode, and the connecting rod 2 is made of metal material, such as steel, copper, etc.
In the preferred embodiment of the present embodiment, a threaded hole is provided at one end of the connecting rod 2 close to the electrode 3, the electrode 3 is provided with a stepped hole, a connecting screw penetrates through the electrode 3 and is in threaded connection with the connecting rod 2, and a graphite electrode insert can be selectively arranged in the stepped hole of the electrode 3. A plurality of shoulder holes are processed on the fixing plate 1, a threaded hole is formed in one end, close to the fixing plate 1, of the connecting rod 2, and the connecting screw penetrates through the fixing plate 1 and is in threaded connection with the connecting rod 2. It should be understood that, there may be a plurality of connection modes between the electrode 3 and the connecting rod 2, and a plurality of connection modes between the connecting rod 2 and the fixing plate 1, for example, external threads are provided at both ends of the connecting rod 2, threaded holes are provided on the fixing plate 1 and the electrode 3, the threaded holes may not penetrate through the electrode 3, both ends of the connecting rod 2 are respectively in threaded connection with the electrode 3 and the fixing plate 1, or other connection modes are adopted, specifically without limitation.
The length H1 of the connecting rod 2 and the length H2 of the electrode 3 can be set according to the depth H of the machined hole, and the sum of the lengths of the connecting rod 2 and the electrode 3 is greater than the hole depth H; preferably, (H1+ H2) -H is 10-50 mm. For example, the hole depth is 120mm, the length of the tie bar 2 is 130mm, and the length of the electrode 3 is 30 mm. The electrode 3 of the electrode assembly of the present embodiment may have a cross-sectional shape selected to form a non-circular hole, such as a hexagonal hole. Electrode 3 passes through connecting rod 2 to be connected for the discharge machining end of electrode 3 keeps away from fixed plate 1, realizes the discharge machining of deep hole, avoids using the problem of the easy rupture of electrode 3 that its length overlength of integral type electrode 3 leads to, moreover because electrode 3 is the loss piece, electrode 3 can conveniently be changed to this structure, avoids using the problem of the whole change of electrode 3 that integral type electrode 3 leads to, practices thrift manufacturing cost.
Example two:
an electric machining machine tool comprises a main shaft 8, a positioning assembly and an electrode assembly, wherein the main shaft 8 can be provided with a plurality of (such as two or three) parts to further improve the machining efficiency, and the electrode assembly is fixed on the main shaft 8 through the positioning assembly.
The connecting seat 4 is disposed on one side of the fixing plate 1, and the connecting seat 4 may be detachably connected to the fixing plate 1, for example, by using bolts, or the connecting seat 4 may be integrally disposed with the fixing plate 1. The positioning assembly specifically comprises a first connecting piece 5 and a second connecting piece 6, wherein one end of the first connecting piece 5 is connected with the electrode assembly connecting seat 4 in a bolt connection mode. A plurality of (for example, four) stepped holes 53 are formed in the first connecting member 5, the plurality of stepped holes 53 are circumferentially arranged, and a plurality of threaded holes are formed in the connecting base 4 of the electrode assembly, so that connecting screws can penetrate through the stepped holes 53 of the first connecting member 5 and are in threaded connection with the connecting base 4. The other end of the first connecting piece 5 is connected with a second connecting piece 6, and one side, far away from the first connecting piece 5, of the second connecting piece 6 is connected with a main shaft 8 of the machine tool.
In a preferred embodiment, the second connecting member 6 is provided with a concave hole 62, one end of the second connecting member 6 is convexly provided with a plurality of positioning blocks 61, and the plurality of positioning blocks 61 are uniformly distributed outside the concave hole 62 along the circumferential direction; one side of the first connecting piece 5 is provided with a plurality of positioning grooves 52 corresponding to the positioning blocks 61 one by one. In this embodiment, the number of the positioning blocks 61 and the number of the positioning grooves 52 are 4, and the number of the positioning blocks 61 and the positioning grooves 52 in other embodiments can be adjusted according to specific situations, for example, 2 or 3.
The positioning assembly further comprises a pull rod 7, a first end of the pull rod 7 is connected with the first connecting piece 5, and a second end of the pull rod 7 extends into the concave hole 62 of the second connecting piece 6 to be locked. Preferably, a through hole is formed in the center of the first connecting piece 5, a limiting boss 51 is arranged on the inner wall of the through hole, an abutting boss 71 is arranged at the first end of the pull rod 7, and the abutting boss 71 can abut against the limiting boss 51. A locking piece is arranged in the concave hole 62 of the second connecting piece 6, the second end of the pull rod 7 is provided with a locking groove 72, the locking groove 72 is an arc-shaped groove, the locking piece can move in the radial direction to enter or be separated from the locking groove 72, and the locking piece can abut against the pull rod 7 to apply or release axial tension to the pull rod 7. The second end of the pull rod 7 penetrates through the first connecting piece 5 and extends into the concave hole 62 to be locked. It will be appreciated that in other embodiments the tie rod 7 may be fixedly connected directly to the first connecting member 5.
The retaining member is provided with a plurality ofly, for example two, three, and a plurality of retaining members evenly lay along circumference, and the retaining member can include locking screw 9, and locking screw 9 threaded connection is on connecting piece two 6, and locking screw 9 sets up bulb 91, and bulb 91 can get into or break away from locking recess 72. The locking member may also include a steel ball 92, and the steel ball 92 may enter the locking recess 72 under the driving of the locking screw 9; upon radially outward movement of the locking screw 9, the steel ball 92 can be disengaged from the locking recess 72 to release the drawbar 7.
Use the utility model provides an during electrode subassembly and electrical machine tool machining hole, can use cutting tool at the position rough drilling (the size of rough drilling is less than preset size) that needs the machining hole, then carry out discharge machining again for machining efficiency can obtain improving, also can avoid directly using the work piece deformation problem that cutting tool processed intensive array hole and lead to on the work piece.
The electric machining tool provided by the embodiment comprises a first connecting piece 5, a second connecting piece 6, a first connecting piece 5, a pull rod 7 and an electrode assembly are mounted on the machine tool together, the first connecting piece 5 is matched with a positioning block 61 and a positioning groove 52 of the second connecting piece 6, the positioning block 61 is embedded into the positioning groove 52, the rapid positioning of the electrode assembly is realized, the electrode assembly can be further fixed on the machine tool through a locking piece, the first connecting piece and the first connecting piece 5 are released by adjusting the locking piece when the electrode assembly needs to be disassembled, the rapid clamping of the electrode assembly is realized, and the electrode assembly is convenient to disassemble.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.
Claims (10)
1. An electrode assembly, characterized by: the electrode fixing device comprises a fixing plate, wherein a plurality of connecting rods are arranged on one side of the fixing plate, and replaceable electrodes are arranged at the end parts of the connecting rods.
2. An electrode assembly according to claim 1, wherein: one end of the connecting rod, which is close to the electrode, is provided with a threaded hole, and a connecting screw penetrates through the electrode and is fixedly connected with the connecting rod.
3. An electrode assembly according to claim 1, wherein: the cross section of the electrode is polygonal.
4. An electrode assembly according to any one of claims 1 to 3, wherein: a plurality of the connecting rods are distributed in an array.
5. An electrode assembly according to any one of claims 1 to 3, wherein: the electrode is a graphite electrode, and the connecting rod is made of metal.
6. An electrical machine tool, its characterized in that: comprising a spindle, a positioning assembly and an electrode assembly according to any one of claims 1 to 5, said electrode assembly being secured to said spindle by said positioning assembly;
the positioning assembly comprises a connecting piece II and a connecting piece I, one end of the connecting piece I is connected with the electrode assembly, the other end of the connecting piece I is connected with the connecting piece II, and one side, far away from the connecting piece I, of the connecting piece II is connected with the machine tool spindle.
7. An electrical machine tool as claimed in claim 6, wherein: the second connecting piece is provided with a concave hole, one end of the second connecting piece is convexly provided with a plurality of positioning blocks, and the plurality of positioning blocks are circumferentially distributed on the outer side of the concave hole;
one end of the connecting piece is provided with a plurality of positioning grooves corresponding to the positioning blocks;
the first end of the pull rod is connected with the first connecting piece, and the second end of the pull rod extends into the second concave hole of the first connecting piece to be locked.
8. An electrical machine tool as claimed in claim 7, wherein: the first connecting piece is provided with a through hole, a limiting boss is arranged on the inner wall of the through hole, a butt boss is arranged at the first end of the pull rod, and the butt boss is in butt joint with the limiting boss.
9. An electrical machine tool as claimed in claim 7, wherein: be provided with the retaining member in the two shrinkage pool of connecting piece, the pull rod second end is provided with the locking recess, the retaining member can radially remove in order to get into or break away from the locking recess, just the retaining member is right the pull rod is applyed or is released axial tension.
10. An electrical machine tool as claimed in claim 9, wherein: the retaining member is provided with a plurality ofly, the retaining member includes locking screw, locking screw one end is provided with bulb or steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540031.4U CN210306124U (en) | 2019-04-19 | 2019-04-19 | Electrode assembly and electric machining machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920540031.4U CN210306124U (en) | 2019-04-19 | 2019-04-19 | Electrode assembly and electric machining machine tool |
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| Publication Number | Publication Date |
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| CN210306124U true CN210306124U (en) | 2020-04-14 |
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| CN201920540031.4U Active CN210306124U (en) | 2019-04-19 | 2019-04-19 | Electrode assembly and electric machining machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025006A (en) * | 2020-09-02 | 2020-12-04 | 湖南泰嘉新材料科技股份有限公司 | Band saw blade surface treatment device |
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2019
- 2019-04-19 CN CN201920540031.4U patent/CN210306124U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025006A (en) * | 2020-09-02 | 2020-12-04 | 湖南泰嘉新材料科技股份有限公司 | Band saw blade surface treatment device |
| CN112025006B (en) * | 2020-09-02 | 2022-01-04 | 湖南泰嘉新材料科技股份有限公司 | Band saw blade surface treatment device |
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