CN107309511B - Electrolytic machining device for key groove at end of large shaft piece - Google Patents
Electrolytic machining device for key groove at end of large shaft piece Download PDFInfo
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- CN107309511B CN107309511B CN201710734757.7A CN201710734757A CN107309511B CN 107309511 B CN107309511 B CN 107309511B CN 201710734757 A CN201710734757 A CN 201710734757A CN 107309511 B CN107309511 B CN 107309511B
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- guide body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
Abstract
The invention discloses an electrolytic machining device for key grooves of the end of a large shaft piece, which has higher machining precision, a sealing sleeve is respectively sleeved on two guide keys and an assembling part of an insulating guide body in a clearance way through two key grooves and a right shaft hole on a left shaft hole of the sealing sleeve, the insulating guide body is cast and sleeved on a copper body, the left end of the insulating guide body is aligned with the left end of the copper body, the right end of the insulating guide body is positioned in the right end of a right shaft hole of the sealing sleeve, two radial holes of the sealing sleeve and two radial electrolyte inlet and outlet holes positioned at the side of each radial hole are respectively aligned and communicated with two bosses on the copper body and two radial electrolyte inlet and outlet holes positioned at the side of each boss, the two bosses on the copper body are respectively extended out of the two radial holes on the insulating guide body, the left end of the sealing sleeve is connected with the right end of a hose joint, the right end of the hose joint is connected with an electrolyte output hose, the left end of the joint is detachably connected with the right end of the copper body of an electrolytic cathode, and a flange plate is detachably assembled at the right side of the joint.
Description
Technical Field
The invention belongs to an electrolytic machining device, and particularly relates to an electrolytic machining device for a key groove at the end of a large-sized shaft piece.
Background
In some special machinery, there is a large shaft member, see fig. 1 and 2, the large shaft member 6 is as long as 3 m or more, an axial stepped through hole including a small diameter portion 6-3 and a large diameter portion 6-1 which are mutually penetrated, and two end key grooves 6-2 which are symmetrical to the axis of the axial stepped through hole and whose outer ends are open are provided on the inner wall of the right end of the large diameter portion 6-1. The two end key grooves 6-2 cannot be processed by adopting common processes such as slotting, planing and the like due to special requirements of a structure which is designed to be non-through and has no tool withdrawal groove, and a better processing method is to carry out electrolytic processing on the end key grooves. At present, no document discloses an electrolytic machining device for a key groove at the end of the large shaft piece 6 at home and abroad, and no electrolytic machining device for the key groove at the end of the large shaft piece appears in the market.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electrolytic machining device for a key groove of a large-sized shaft end, which has higher machining precision and efficiency.
In order to solve the technical problems, the electrolytic machining device for the key groove of the large shaft end comprises a hose joint, an electrolytic cathode, a sealing sleeve, a connector and a flange plate, and is characterized in that:
the electrolytic cathode comprises a copper body and an insulating guide body;
the copper body is provided with a copper layer; the isolating part which is integrated with the copper body and is positioned at the left side of the copper body and is used for axially Kong Geduan is covered with an insulating layer on the outer surface which is respectively symmetrical and radially outwards extended, two bosses which are matched with the circumferential width sizes of two end key grooves on a large-scale shaft piece which is processed by electrolysis, two inner radial electrolyte inlet and outlet holes which are positioned at the two sides of each boss and radially communicated with the axial hole, the diameter of the left end of each boss is larger than the diameter of an insulating guide body, the diameter of the right end is equal to the outer diameter of the insulating guide body, and the axial direction is of a triangle structure with left side, right side and low side,
the outer diameter of the insulating guide body is smaller than the aperture of a large-diameter part on the large-sized shaft member which is processed by electrolysis, and the insulating guide body is provided with a hole; the axial through hole is formed by two guide keys with circumferential widths smaller than the circumferential widths of the left ends of two bosses on the copper body, two radial holes corresponding to the two bosses on the copper body, two outer radial electrolyte inlet and outlet holes on two sides of each radial hole and corresponding to two inner radial electrolyte inlet and outlet holes on the copper body, and an assembly part which extends radially outwards from the whole right part of the assembly part and has diameters larger than the diameters of the two guide keys, wherein the left 0 type ring seal groove and the right 0 type ring seal groove are respectively assembled on the left side of the outer circumference and the right side of the assembly part;
the sealing sleeve is provided with a sealing sleeve; the left end of the left shaft hole is provided with two key grooves which correspond to the two guide keys on the insulation guide body and have axial and circumferential widths slightly larger than the axial widths and the circumferential widths of the two guide keys, and the aperture of the right shaft hole is slightly larger than the outer diameter of an assembly part of the insulation guide body;
the sealing sleeve is respectively sleeved on the two guide keys and the assembly part of the insulation guide body in a clearance way through the two key grooves on the left shaft hole and the right shaft hole,
the insulating guide body axial through hole is cast and sleeved on the copper body, the left end of the insulating guide body axial through hole is aligned with the left end of the copper body, the right end of the insulating guide body axial through hole is positioned in the right end of the right shaft hole of the sealing sleeve, the two radial holes and the two outer radial electrolyte inlet and outlet holes positioned at the side of each radial hole are respectively aligned and communicated with the two bosses on the copper body and the two inner radial electrolyte inlet and outlet holes positioned at the side of each boss,
the two bosses on the copper body extend out of the two radial holes on the insulating guide body respectively, the left end of the boss is connected with the right end of the hose joint, the right end of the boss extends out of the right end of the sealing sleeve, the left end of the hose joint is connected with the electrolyte output hose,
the left end of the connector is detachably connected with the right end of the copper body of the electrolytic cathode,
the flange plate is detachably assembled on the right side of the connector,
the hose connector, the electrolytic cathode, the connector and the flange plate are coaxial.
After the structure is adopted, in the electrolytic machining process of the key groove at the end of the large shaft piece, electrolyte flows from right to left from the axial hole of the copper body, when the electrolyte is isolated by the isolating part and flows outwards radially, the electrolyte flows out radially from the inner radial electrolyte inlet and outlet hole at the right side of each boss and each outer radial electrolyte inlet and outlet hole at the right side of the insulating guide body and flows through the triangular outer surface with low left and high right of each boss leftwards, after electrolytic products and heat are taken away, the electrolyte flows into the axial hole at the left side of the isolating part from the inner radial electrolyte inlet and outlet hole at the left side of each boss and each outer radial electrolyte inlet and outlet hole at the left side of the insulating guide body radially, and a hose connected through a hose connector flows back to the electrolytic tank. In the process, the left end of each boss and the copper body part play a role in electrolysis during the feeding movement of the electrolysis cathode, and the insulating layer covered on the upper surface of each boss plays a role in shielding and protecting the electrolyzed part of the key slot of the end of the large shaft piece; the triangular structure of each boss ensures that electrolyte flows out radially from the inner radial electrolyte inlet and outlet hole on the right side of each boss and each outer radial electrolyte inlet and outlet hole on the right side of the insulating guide body and flows through the outer surface of each boss leftwards, so that the processing precision and efficiency are higher; the two key grooves on the sealing sleeve are matched with the two guide keys of the insulating guide body, so that the electrolytic cathode can not rotate in the processing process and can only move leftwards and rightwards axially, and the processing stability, the processing reliability and the processing quality are both good; the left 0-shaped ring seal and the right 0-shaped ring seal ensure that electrolyte cannot leak outwards, waste and environmental pollution are avoided in the processing process.
Therefore, the invention has the advantages of higher processing precision and efficiency, better stability, reliability and quality, no electrolyte waste and no environmental pollution.
In addition, the electrolytic device can utilize the machined axial step through hole of the large-sized shaft end key groove as a positioning reference, so that the electrolytic device has a relatively simple structure, can be suitable for electrolytic machining of end key grooves of large-sized shaft end key grooves with various sizes, and has relatively high applicability.
Preferably, the circumferential width of the two key grooves in the left shaft hole of the sealing sleeve is 0.03-0.08mm greater than the circumferential width of the two guide keys of the insulation guide body.
Preferably, the outer diameter of the insulating guide body is smaller than the bore diameter of the large diameter portion of the large shaft member to be electrolytically processed by 0.1-0.2mm.
Preferably, the left end of the sealing sleeve is provided with a left end 0-shaped ring sealing groove and a left end 0-shaped ring sealing groove which are axially concave, and the right end of the copper body is provided with a right end 0-shaped ring sealing groove and a right end 0-shaped ring sealing groove which are axially concave.
Preferably, the insulating layer covered on the outer surface of each boss is made of epoxy resin through casting.
Preferably, the insulating guide in the electrolytic cathode is made of epoxy resin casting.
Preferably, the sealing sleeve is made of aviation plexiglas.
Preferably, the connector is made of red copper.
Preferably, the flange is made of copper.
Preferably, the connecting head comprises a connecting sleeve with internal threads, the right end of the copper body of the electrolytic cathode is provided with external threads, and the connecting sleeve of the connecting head is detachably connected with the right end of the copper body of the electrolytic cathode through the internal threads and the external threads.
Drawings
FIG. 1 is a schematic structural view of a large shaft;
FIG. 2 is a P-view of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a view in the A direction of FIG. 3;
FIG. 5 is a cross-sectional view at B-B of FIG. 3;
FIG. 6 is an enlarged view of a portion of FIG. 3 at C;
fig. 7 is a state of use diagram of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 3 to 7, the electrolytic machining device for the key slot of the end of the large shaft part of the invention comprises a hose joint 1, an electrolytic cathode 2, a sealing sleeve 3, a connector 4 and a flange plate 5. As can be seen from fig. 3 to 7, the electrolytic cathode 2 includes a copper body 2-1 and an insulating guide body 2-2; the copper body 2-1 is provided with a copper layer; the device comprises an axial hole 2-10, a separation part 2-11 which is integrated with a copper body 2-1 and is positioned at the left side of the copper body 2-1 and used for separating the axial hole 2-10, an insulation layer 2-12 is covered on the outer surface of the separation part 2-11, which extends outwards symmetrically and radially, two bosses 2-110 which are matched with the circumferential width dimension of two end key grooves 6-2 on a large-scale shaft member 6 to be electrolyzed, two inner radial electrolyte inlet and outlet holes 2-13 which are positioned at the two sides of each boss 2-110 and are communicated with the axial hole 2-10, the diameter of the left end of each boss 2-110 is larger than the diameter of an insulation guide body 2-2, the diameter of the right end is equal to the outer diameter of the insulation guide body 2-2, the axial direction is of a triangle structure with left high and right low, and the outer diameter of the insulation guide body 2-2 is smaller than the aperture of a large-diameter part 6-1 on the large-scale shaft member 6 to be electrolyzed, and the insulation guide body 2-2 is provided with; the axial through hole 2-20 is formed by two guide keys 2-21 with circumferential widths which are respectively symmetrical and radially outwards extended from the periphery and are smaller than the circumferential widths of the left ends of the two bosses 2-11 on the copper body 2-1, two radial holes 2-22 corresponding to the two bosses 2-110 on the copper body 2-1, two outer radial electrolyte inlet and outlet holes 2-23 which are positioned at two sides of each radial hole 2-22 and correspond to the two inner radial electrolyte inlet and outlet holes 2-13 on the copper body 2-1, an assembling part 2-26 which is respectively assembled on the left 0-type ring seal groove 2-24 and the right 0-type ring seal groove 2-25 on the left side of the periphery and the right side of the assembling part 2-26, and an assembling part 2-26 which is radially outwards extended from the whole right part and has diameters which are larger than the diameters of the two guide keys 2-21; the sealing sleeve 3 is provided with a sealing sleeve; a left shaft hole 3-4 and a right shaft hole 3-2 which are communicated with each other left and right, wherein the aperture of the left shaft hole 3-4 is smaller than the outer diameter of two guide keys 2-21 on the insulation guide body 2-2, two key grooves 3-1 which correspond to the two guide keys 2-21 on the insulation guide body 2-2 and have axial and circumferential widths which are slightly larger than the axial widths and the circumferential widths of the two guide keys 2-21 are arranged in the left shaft hole 3-4, and the aperture of the right shaft hole 3-2 is slightly larger than the outer diameter of an assembling part 2-26 of the insulation guide body 2-2; the sealing sleeve 3 is respectively sleeved on two guide keys 2-21 and an assembling part 2-26 of the insulating guide body 2-2 in a clearance manner through two key grooves 3-1 and a right shaft hole 3-2 on a left shaft hole 3-4 of the sealing sleeve, the insulating guide body 2-2 is sleeved on the copper body 2-1 in a casting manner through an axial through hole 2-20 of the insulating guide body, the left end of the insulating guide body is aligned with the left end of the copper body 2-1, the right end of the insulating guide body is positioned in the right end of the right shaft hole 3-2 of the sealing sleeve 3, two radial holes 2-22 of the sealing sleeve and two outer radial electrolyte inlet and outlet holes 2-23 on the side of each radial hole 2-22 are respectively aligned with two bosses 2-110 on the copper body 2-1 and two inner radial electrolyte inlet and outlet holes 2-13 on the side of each boss 2-110, the two bosses 2-110 on the copper body 2-1 extend out of the two radial holes 2-22 on the insulating guide body 2-2 respectively, the left end of the sealing sleeve is connected with the right end of the hose joint 1, the right end of the sealing sleeve extends out of the left end of the right end of the joint 3 of the joint 1, the sealing sleeve is connected with the left end of the cathode joint 2 and the right end of the cathode joint 2-4, the cathode joint 2 is detachably connected with the cathode joint 4, and the cathode joint 4 is detachably connected with the cathode joint 2-4, and the cathode joint 4 can be detachably connected with the cathode joint 2. Thus, the invention can carry out electrolytic machining on the key groove of the end of the large shaft piece according to the following steps of;
firstly, a sealing sleeve 3 is respectively sleeved on two guide keys 2-21 and an assembling part 2-26 of an insulating guide body 2-2 of an electrolytic cathode 2 in a clearance way through two key grooves 3-1 and a right shaft hole 3-2 on a left shaft hole 3-4 of the sealing sleeve;
then, the left end of the copper body 2-1 of the electrolytic cathode 2 is connected with the right end of the hose connector 1, the right end extends out of the right end of the sealing sleeve 3, and the left end of the hose connector 1 is connected with an electrolyte output hose;
then, the left end of the connector 4 is detachably connected with the right end of the copper body 2-1 of the electrolytic cathode 2, the flange 5 is detachably assembled on the right side of the connector 4, and the hose connector 1, the electrolytic cathode 2, the connector 4 and the flange 5 are coaxial;
subsequently, the hose coupler 1 and the left-side portions of the insulating guide body 2-2 of the electrolytic cathode 2, which are located at the two bosses 2-110, are respectively put into the small diameter portion 6-3 and the large diameter portion 6-1 of the axial stepped through-hole of the large shaft member 6; simultaneously, the electrolyte output hose penetrates out of the large shaft body part 6 to the left and is communicated with the electrolytic cell, the left end face of the insulation guide body 2-2 and the right end face of the large shaft body part 6 are kept at a certain distance, two bosses 2-110 on the copper body 2-1 of the electrolytic cathode 2 correspond to the machined parts of two end key grooves 6-2 on the large shaft body part 6, the sealing sleeve 3 is arranged on a supporting clamp on a machine tool to be fixed, and electrolytic solution is started and equipment is started for electrolytic machining.
In the above process, the left 0-turn seal and the right 0-turn seal are respectively fitted in the left 0-turn seal groove 2-24 and the right 0-turn seal groove 2-25 fitted on the outer periphery of the fitting portion 2-26 of the insulated guide body 2-2.
In the electrolytic processing, when the electrolyte flows from right to left (as indicated by the arrow in fig. 7, the same applies to the direction) from the axial hole 2-10 of the copper body 2-1, is separated by the separating part 2-11 and flows radially outwards, the electrolyte flows radially from the inner radial electrolyte inlet and outlet hole 2-13 on the right side of each boss 2-110 and each outer radial electrolyte inlet and outlet hole 2-23 on the right side of the insulating guide body 2-2 and flows leftwards through the triangular outer surface of the left side of each boss 2-110, and after the electrolyte and heat are taken away, the electrolyte flows radially from the inner radial electrolyte inlet and outlet hole 2-13 on the left side of each boss 2-110 and each outer radial electrolyte inlet and outlet hole 2-23 on the left side of the insulating guide body 2-2 into the axial hole 2-10 of the copper body 2-1 on the left side of the separating part 2-11, and then flows back to the electrolytic cell through a hose connected by the hose joint 1.
In the process, the left copper body part of each boss 2-110 plays a role in electrolysis during cathode feeding movement, and the insulating layer 2-12 covered on the upper surface of each boss 2-110 plays a role in shielding and protecting the electrolyzed part of the end key groove of the large shaft; the triangular structure of each boss 2-110 ensures that electrolyte flows out radially from the inner radial electrolyte inlet and outlet holes 2-13 on the right side of each boss 2-110 and each outer radial electrolyte inlet and outlet hole 2-23 on the right side of the insulated guide body 2-2 and flows through the outer surface of each boss 2-110 leftwards, so that the processing quality is better; the two key grooves 3-1 on the sealing sleeve 3 and the two guide keys 2-21 of the insulation guide body 2-2 ensure that the insulation guide body 2-2 of the electrolytic cathode 2 can not rotate any more in the processing process and can only move leftwards and rightwards axially, thereby ensuring the stability and reliability of processing and better processing quality; the left 0-shaped ring seal and the right 0-shaped ring seal ensure that electrolyte cannot leak outwards, waste and environmental pollution are avoided in the processing process.
From the above description, the invention has the advantages of higher processing precision and efficiency, better stability, reliability and quality, no electrolyte waste and no environmental pollution. In addition, the electrolytic device can utilize the machined axial step through hole of the large-sized shaft end key groove as a positioning reference, so that the electrolytic device has a relatively simple structure, can be suitable for electrolytic machining of end key grooves of large-sized shaft end key grooves with various sizes, and has relatively high applicability.
The circumferential width of the two key grooves 3-1 in the left shaft hole 3-4 of the sealing sleeve 3 is 0.03-0.08mm greater than the circumferential width of the two guide keys 2-21 of the insulating guide body 2-2. Thus, the axial movement of the electrolytic cathode 2 during electrolytic machining is well ensured to be stable, and rotation is not generated.
The outer diameter of the insulating guide body 2-2 is smaller than the aperture of the large diameter portion 6-1 of the large shaft member 6 to be electrolytically processed by 0.1-0.2mm. Thus, the axial sliding of the electrolytic cathode 2 in the large diameter 6-1 of the large shaft member 6 can be well ensured to be accurate and stable.
The left end of the sealing sleeve 3 is provided with an axially concave left end 0-shaped ring sealing groove 3-3 and a left end 0-shaped ring seal, and the right end of the copper body 2-1 is provided with an axially concave right end 0-shaped ring sealing groove 2-13 and a right end 0-shaped ring seal. Therefore, the electrolyte can be well ensured not to leak outwards in the electrolysis process, and the environment is polluted.
The insulating layer 2-12 covered on the outer surface of each boss 2-110 is made of epoxy resin through casting, so that the electrolytic part of the key slot of the end of the large shaft piece can be well shielded and protected.
The insulating guide body 2-2 in the electrolytic cathode 2 is made by casting epoxy resin. Therefore, the electrolytic part of the key slot of the large shaft piece end can be shielded and protected, and the insulating guide body 2-2 is convenient and easy to manufacture.
The sealing sleeve 3 is made of aviation organic glass. This makes the machining of the sealing sleeve 3 easier and the insulating guiding effect better.
The connector 4 is made of red copper. This results in a low resistivity of the connection head 4 and a better electrical conduction.
The flange 5 is made of copper. This makes the flange 5 more conductive and easier to connect.
Referring to fig. 3, the connecting head 4 includes a connecting sleeve 4-1 having internal threads therein, an external thread 2-14 is provided at the right end of the copper body 2-1 of the electrolytic cathode 2, and the connecting sleeve 4-1 of the connecting head 4 is detachably connected with the right end of the copper body 2-1 of the electrolytic cathode 2 through the internal thread and the external thread 2-14. This makes the structure of the connector 4 detachably connected to the copper body 2-1 of the electrolytic cathode 2 relatively simple.
While the preferred embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides an electrolytic machining device of large-scale shaft piece end keyway, includes hose connector (1), electrolysis negative pole (2), seal cover (3), connector (4) and ring flange (5), its characterized in that:
the electrolytic cathode (2) comprises a copper body (2-1) and an insulating guide body (2-2);
the copper body (2-1) is provided with a copper layer; the axial hole (2-10), the isolation part (2-11) which is integrated with the copper body (2-1) and is positioned at the left side of the copper body (2-1) and is used for isolating the axial hole (2-10), the outer surface which extends outwards symmetrically and radially is covered by the isolation part (2-11) is covered by an insulating layer (2-12), two bosses (2-110) which are matched with the circumferential width dimension of two end key grooves (6-2) on the large-scale shaft (6) which is processed by electrolysis, two radial electrolyte inlet holes (2-13) which are positioned at the two sides of each boss (2-110) and are penetrated radially and communicated with the axial hole (2-10), the diameter of the left end of each boss (2-110) is larger than the diameter of the insulating guide body (2-2), the diameter of the right end is equal to the outer diameter of the insulating guide body (2-2) and the axial direction is in a triangle structure with left, right and left and right sides and low sides,
the outer diameter of the insulation guide body (2-2) is smaller than the aperture of a large-diameter part (6-1) on the large-sized shaft piece (6) which is processed by electrolysis, and the insulation guide body is provided with the insulation guide body; the device comprises an axial through hole (2-20), two guide keys (2-21) with circumferential widths which are respectively symmetrical and radially outwards extended from the periphery and are smaller than the circumferential widths of the left ends of two bosses (2-110) on a copper body (2-1), two radial holes (2-22) corresponding to the two bosses (2-110) on the copper body (2-1), two outer radial electrolyte inlet and outlet holes (2-23) which are respectively positioned at two sides of each radial hole (2-22) and correspond to two inner radial electrolyte inlet and outlet holes (2-13) on the copper body (2-1), and an assembling part (2-26) which is respectively assembled at the left side of the periphery and the right side of the assembling part (2-26) and at the left 0 type ring seal groove (2-24) and the right 0 type ring seal groove (2-25) on the right side of the assembling part (2-21);
the sealing sleeve (3) is provided with a sealing sleeve; a left shaft hole (3-4) and a right shaft hole (3-2) which are communicated with each other left and right, wherein the aperture of the left shaft hole (3-4) is smaller than the outer diameter of two guide keys (2-21) on the insulation guide body (2-2), two key grooves (3-1) which correspond to the two guide keys (2-21) on the insulation guide body (2-2) and have axial and circumferential widths which are slightly larger than the axial widths and the circumferential widths of the two guide keys (2-21) are arranged in the left shaft hole (3-4), and the aperture of the right shaft hole (3-2) is slightly larger than the outer diameter of an assembling part (2-26) of the insulation guide body (2-2);
the sealing sleeve (3) is respectively sleeved on two guide keys (2-21) of the insulation guide body (2-2) and the assembly part (2-26) in a clearance way through two key grooves (3-1) and a right shaft hole (3-2) on a left shaft hole (3-4) of the sealing sleeve,
the insulating guide body (2-2) is sleeved on the copper body (2-1) through an axial through hole (2-20) in a casting way, the left end of the insulating guide body is aligned with the left end of the copper body (2-1), the right end of the insulating guide body is positioned in the right end of a right shaft hole (3-2) of the sealing sleeve (3), two radial holes (2-22) and two outer radial electrolyte inlet and outlet holes (2-23) positioned on the side of each radial hole (2-22) are respectively aligned and communicated with two bosses (2-110) on the copper body (2-1) and two inner radial electrolyte inlet and outlet holes (2-13) positioned on the side of each boss (2-110),
two bosses (2-110) on the copper body (2-1) extend out of two radial holes (2-22) on the insulating guide body (2-2) respectively, the left end of the boss is connected with the right end of the hose joint (1), the right end of the boss extends out of the right end of the sealing sleeve (3), the left end of the hose joint (1) is connected with an electrolyte output hose,
the left end of the connector (4) is detachably connected with the right end of the copper body (2-1) of the electrolytic cathode (2),
the flange plate (5) is detachably assembled on the right side of the connector (4),
the hose connector (1), the electrolytic cathode (2), the connector (4) and the flange plate (5) are coaxial.
2. The electrolytic machining device for a large shaft end key groove according to claim 1, wherein: the circumferential width of the two key grooves (3-1) in the left shaft hole (3-4) of the sealing sleeve (3) is 0.03-0.08mm greater than the circumferential width of the two guide keys (2-21) of the insulating guide body (2-2).
3. The electrolytic machining device for a large shaft end key groove according to claim 2, wherein: the outer diameter of the insulating guide body (2-2) is smaller than the aperture of the large diameter part (6-1) of the large shaft (6) to be electrolytically processed by 0.1-0.2mm.
4. An electrochemical machining apparatus for a large shaft end keyway as defined in claim 3, wherein: the left end of the sealing sleeve (3) is provided with a left end 0-shaped ring sealing groove (3-3) and a left end 0-shaped ring seal which are axially concave, and the right end of the copper body (2-1) is provided with a right end 0-shaped ring sealing groove (2-25) and a right end 0-shaped ring seal which are axially concave.
5. The electrolytic machining device for a large shaft end key groove according to claim 4, wherein: the insulating layers (2-12) covered on the outer surfaces of the bosses (2-110) are made of epoxy resin through casting.
6. The electrolytic machining device for a large shaft end key groove according to claim 5, wherein: the insulating guide body (2-2) in the electrolytic cathode (2) is made of epoxy resin through casting.
7. The electrolytic machining device for a large shaft end key groove according to claim 6, wherein: the sealing sleeve (3) is made of aviation organic glass.
8. The electrolytic machining device for a large shaft end key way according to claim 7, wherein: the connector (4) is made of red copper.
9. The electrolytic machining device for a large shaft end key groove according to claim 8, wherein: the flange plate (5) is made of copper material.
10. An electrochemical machining apparatus for a large shaft end keyway as defined in any one of claims 1 to 9, wherein: the connecting head (4) comprises a connecting sleeve (4-1) with internal threads, an external thread (2-14) is arranged at the right end of the copper body (2-1) of the electrolytic cathode (2), and the connecting sleeve (4-1) of the connecting head (4) is detachably connected with the right end of the copper body (2-1) of the electrolytic cathode (2) through the internal threads and the external threads (2-14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734757.7A CN107309511B (en) | 2017-08-24 | 2017-08-24 | Electrolytic machining device for key groove at end of large shaft piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734757.7A CN107309511B (en) | 2017-08-24 | 2017-08-24 | Electrolytic machining device for key groove at end of large shaft piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107309511A CN107309511A (en) | 2017-11-03 |
| CN107309511B true CN107309511B (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710734757.7A Active CN107309511B (en) | 2017-08-24 | 2017-08-24 | Electrolytic machining device for key groove at end of large shaft piece |
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| CN107962261B (en) * | 2017-11-30 | 2019-07-12 | 青岛卫辽医用生物材料有限公司 | A kind of electrolytic machining device |
| CN108723526A (en) * | 2018-08-03 | 2018-11-02 | 西安工业大学 | A kind of variable cross-section taper hole Electrolyzed Processing cathode |
| CN109570667B (en) * | 2019-01-18 | 2023-08-15 | 广西玉柴机器股份有限公司 | Electrolytic deburring device for cylinder block |
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| GB1348480A (en) * | 1970-07-16 | 1974-03-20 | Secr Defence | Electrolytic drilling of holes |
| CN1442262A (en) * | 2002-03-06 | 2003-09-17 | 株式会社三协精机制作所 | Elctrolytic processing method and electrolytic processing device |
| CN104439574A (en) * | 2014-11-10 | 2015-03-25 | 中国兵器工业第五九研究所 | Numerical-control electrolytic machining method for closed curve groove in inner wall of tubular workpiece and clamping tool for numerical-control electrolytic machining method |
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| KR101098133B1 (en) * | 2008-09-17 | 2011-12-26 | 인하대학교 산학협력단 | Electrolytic machining apparatus |
| JP5815663B2 (en) * | 2013-12-26 | 2015-11-17 | ファナック株式会社 | Machining path generator for keyway machining for wire electric discharge machine |
| JP5873138B2 (en) * | 2014-06-24 | 2016-03-01 | ファナック株式会社 | Machining program creation device for keyway machining for wire electric discharge machine |
| KR102255129B1 (en) * | 2014-07-30 | 2021-05-24 | 인테그리티 엔지니어링 솔루션스 피티와이 엘티디 | Fasteners |
| CN104148754B (en) * | 2014-08-22 | 2016-03-09 | 常州工学院 | A kind of numerical control electrolytic machine tool main shaft oscillating movement device |
| JP5897683B1 (en) * | 2014-10-16 | 2016-03-30 | ファナック株式会社 | Machining path generator for keyway machining for wire electric discharge machine |
| CN207431446U (en) * | 2017-08-24 | 2018-06-01 | 重庆望江工业有限公司 | A kind of electrolytic machining device of large size shaft member end keyway |
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| GB1348480A (en) * | 1970-07-16 | 1974-03-20 | Secr Defence | Electrolytic drilling of holes |
| CN1442262A (en) * | 2002-03-06 | 2003-09-17 | 株式会社三协精机制作所 | Elctrolytic processing method and electrolytic processing device |
| CN104439574A (en) * | 2014-11-10 | 2015-03-25 | 中国兵器工业第五九研究所 | Numerical-control electrolytic machining method for closed curve groove in inner wall of tubular workpiece and clamping tool for numerical-control electrolytic machining method |
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