CN111673215B - Electrode clamping device for micro electric discharge machine tool - Google Patents
Electrode clamping device for micro electric discharge machine tool Download PDFInfo
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- CN111673215B CN111673215B CN202010500795.8A CN202010500795A CN111673215B CN 111673215 B CN111673215 B CN 111673215B CN 202010500795 A CN202010500795 A CN 202010500795A CN 111673215 B CN111673215 B CN 111673215B
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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
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
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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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
Abstract
The invention discloses an electrode clamping device for a micro electric discharge machine tool, relates to the technical field of electric discharge machining, and aims to solve the problem that the verticality of an existing clamping device for the micro electric discharge machine tool after electrode clamping is not easy to adjust. The invention comprises an electrode clamping mechanism, a rotating mechanism and a positioning mechanism; the electrode clamping mechanism is used for clamping and fixing the electrode; the rotating mechanism is used for driving the electrode clamping mechanism to rotate; and the positioning mechanism is used for adjusting and positioning the verticality of the electrode clamping mechanism. The invention is mainly suitable for micro electric spark machine tools.
Description
Technical Field
The invention relates to the technical field of electric spark machining, in particular to a high-precision electrode clamping device for a micro electric spark machining machine tool.
Background
The electric discharge machining occupies an important position in the field of machining by virtue of the advantages of small macroscopic acting force, non-contact machining, wide application range of materials and the like, and is widely applied to the fields of mold manufacturing, micro-machining and the like. The miniature electric spark machine tool has the advantages of light structure and convenience in carrying, can be used as a tool for teaching demonstration or technical communication, can also be used as portable scientific research equipment and tools, and can be used for machining holes of various small-sized parts difficult to machine in scientific research and production.
However, the clamping device of the micro electric discharge machine still has certain defects when being applied, the electrode replacement convenience is poor after the electrode clamping, the verticality is not easy to adjust after the electrode clamping, the electrode rotation precision is influenced by the rotation precision of a motor, the electrode clamping device is large in size, the insulativity is poor, and the like, so that the problems need to be solved urgently.
Disclosure of Invention
The invention aims to solve the problem that the verticality of the existing clamping device of the miniature electric spark machine tool is not easy to adjust after the electrode is clamped. The invention provides an electrode clamping device for a micro electric discharge machine tool.
An electrode clamping device for a micro electric discharge machine comprises an electrode clamping mechanism, a rotating mechanism and a positioning mechanism;
the electrode clamping mechanism is used for clamping and fixing the electrode;
the rotating mechanism is used for driving the electrode clamping mechanism to rotate;
and the positioning mechanism is used for adjusting and positioning the verticality of the electrode clamping mechanism.
Preferably, the electrode clamping mechanism comprises an electrode clamping rod and a clamping ring;
the electrode clamping rod is a cylindrical column body, the inner diameter of the cylindrical column body is far smaller than the outer diameter, and the bottom end of the electrode clamping rod is used for clamping an electrode;
the clamping ring is an elastic piece and is sleeved at the bottom end of the electrode clamping rod and used for tightening the bottom end of the electrode clamping rod.
Preferably, the rotation mechanism includes a rotating motor and a transmission mechanism;
the rotating motor drives the electrode clamping rod to rotate through the transmission mechanism.
Preferably, the positioning mechanism comprises an integral bracket, a spherical rolling part, two sets of electrode clasping mechanisms and a sliding supporting block; each set of electrode clasping mechanism is used for adjusting and fixing the deflection angle of the electrode clamping rod in the vertical direction;
the integral support comprises a vertical substrate and a horizontal substrate, and the vertical substrate is vertically fixed at the bottom of the horizontal substrate;
the spherical rolling part is fixed below the horizontal base plate through the fixing part, the top end of the electrode clamping rod is pressed against the spherical surface of the spherical rolling part, and the spherical surface of the spherical rolling part rotates along with the electrode clamping rod;
the upper part and the lower part of one side surface of the vertical substrate are respectively provided with a horizontal groove, wherein a set of electrode clasping mechanism is arranged in the horizontal groove at the upper part, and the set of electrode clasping mechanism can horizontally move in the horizontal groove at the upper part; a sliding supporting block is arranged in the horizontal groove at the lower part and can move in the horizontal groove at the lower part;
the sliding supporting block is provided with a groove;
the other set of electrode clasping mechanism is arranged in the groove of the sliding supporting block and can horizontally move in the groove of the sliding supporting block.
Preferably, the transmission mechanism comprises two pulleys and a belt;
the two belt wheels are respectively positioned on the left side and the right side of the vertical base plate of the integral support and are connected through a belt;
the first belt wheel is fixedly sleeved on an output shaft of the rotating motor, the second belt wheel is fixedly sleeved on the outer wall of the electrode clamping rod, the two belt wheels are not coplanar, and the mounting height of the first belt wheel is greater than that of the second belt wheel;
the rotating motor is fixed on the other side surface of the vertical base plate through a fixing piece.
Preferably, each set of electrode clasping mechanism comprises two pressing pieces and two position adjusting blocks;
the two pressing pieces and the two position adjusting blocks in one set of the electrode clasping mechanism are positioned in the horizontal groove at the upper part, the two pressing pieces are oppositely arranged and are respectively fixed on two side walls of the horizontal groove at the upper part, the two position adjusting blocks are respectively clamped and fixed in two containing spaces formed between the two pressing pieces and the electrode clamping rod, and each position adjusting block is tangent to the pressing piece and the electrode clamping rod adjacent to the position adjusting block;
two pressing pieces and two position adjusting blocks in the other set of electrode clasping mechanism are both positioned in a groove of the sliding supporting block, the two pressing pieces are oppositely arranged and are respectively fixed on two side walls of the groove of the sliding supporting block, the two position adjusting blocks are respectively clamped and fixed in two containing spaces formed between the two pressing pieces and the electrode clamping rod, and each position adjusting block is tangent to the adjacent pressing piece and the electrode clamping rod.
Preferably, the compressing part is of a hemispherical structure, the position adjusting block is a quadrilateral cylinder of which the top is of a hemispherical structure, and the cross section of the quadrilateral cylinder is square.
Preferably, a plurality of axial openings are uniformly formed in the bottom end of the electrode clamping rod along the circumferential direction, a plurality of annular grooves are formed in the outer side wall of the electrode clamping rod with the openings, and the annular grooves are internally used for embedding the snap rings.
Preferably, the position adjustment block is made of an insulating material.
The invention has the following beneficial effects: the electrode clamping device for the micro electric spark machine tool comprises a rotating mechanism, an electrode clamping mechanism and a positioning mechanism, is mainly used for adjusting and positioning the verticality of the electrode clamping mechanism through the positioning mechanism, and is convenient to clamp an electrode and compact in structure.
According to the electrode clamping device, a belt transmission mode is adopted, a belt wheel and a belt are driven by a rotating motor to realize electrode rotation, a height difference exists between the two belt wheels, a vertical upward force and a horizontal holding force are provided for an electrode, the belt wheels and the belt only transmit a rotary motion generated by the motor to an electrode clamping rod, the influence of the rotary precision of the motor on the electrode clamping rod is isolated, the electrode rotation is not influenced by the rotary precision of the motor shaft, the electrode clamping verticality is convenient to adjust, and the adjusting precision is high;
the electrode clamping is realized by utilizing the elastic deformation of the end part of the electrode clamping rod, the coaxiality of the electrode clamping rod and the electrode clamping rod is high, the positioning of the electrode clamping mechanism is realized by two groups of position adjusting blocks, and the verticality is respectively adjusted in two orthogonal vertical reference planes, so that the verticality is not influenced by the machining and assembling precision, and the electrode clamping mechanism is convenient to adjust, wear-resistant and insulating;
the invention mainly realizes the high-precision positioning and rotation of the micro electrode, has small volume and compact structure and is suitable for micro electric discharge machine tools.
Drawings
FIG. 1 is an isometric view of an electrode clamping assembly for a micro-edm machine according to the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3
Fig. 5 is a schematic structural view of the electrode holding mechanism 100;
FIG. 6 is a schematic diagram of the position of the electrode holding rod 110 before verticality adjustment;
FIG. 7 is a perspective view of the electrode holder bar 110 in the horizontal plane XOY during adjustment; wherein the content of the first and second substances,
FIG. 7(a) shows a projection of the electrode holding bar 110 of FIG. 6 in a horizontal plane XOY;
FIG. 7(b) shows a projection of the electrode holder bar 110 in the horizontal plane XOY after adjustment of the axis of the electrode holder bar 110 in FIG. 7(a) in the YOZ plane;
FIG. 7(c) shows the projection of the electrode holder bar 110 on the horizontal plane XOY after the axis of the electrode holder bar 110 in FIG. 7(b) is adjusted in the YOZ plane.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1 to 3, an electrode clamping apparatus for a micro electric discharge machine according to the present embodiment is described, which includes an electrode clamping mechanism 100, a rotating mechanism 200, and a positioning mechanism 300;
an electrode clamping mechanism 100 for clamping an electrode;
a rotation mechanism 200 for driving the electrode holding mechanism 100 to rotate;
and the positioning mechanism 300 is used for adjusting and positioning the verticality of the electrode clamping mechanism 100.
The electrode clamping device for the micro electric discharge machine tool can perform high-precision positioning and rotation on the verticality of the electrode, when the electrode clamping device is used, the electrode can be clamped only by the electrode clamping mechanism 100, the clamping can be completed, the electrode is convenient to clamp, the size is small, and the structure is compact.
Further, referring specifically to fig. 1 to 3, the electrode clamping mechanism 100 includes an electrode clamping bar 110 and a snap ring 120;
the electrode holding rod 110 is a cylindrical column, the inner diameter of the cylindrical column is far smaller than the outer diameter, and the bottom end of the electrode holding rod 110 is used for clamping an electrode;
the snap ring 120 is an elastic member, and the snap ring 120 is sleeved on the bottom end of the electrode holding rod 110 for tightening the bottom end of the electrode holding rod 110.
In the preferred embodiment, the bottom end of the electrode clamping rod 110 is tightened by the snap ring 120, thereby enhancing the stability of electrode clamping.
Further, referring specifically to fig. 1 to 3, the rotating mechanism 200 includes a rotating motor 210 and a transmission mechanism 220;
the rotating motor 210 drives the electrode holding rod 110 to rotate by the transmission mechanism 220.
In the preferred embodiment, the rotation mechanism 200 is simple in structure and easy to implement.
Further, referring specifically to fig. 3 to 4, the positioning mechanism 300 includes an integral bracket 310, a ball 320, two sets of electrode clasping mechanisms 330, and a sliding support block 340; each set of electrode clasping mechanism 330 is used for adjusting and fixing the deflection angle of the electrode clamping rod 110 in the vertical direction;
the integral support 310 comprises a vertical substrate 311 and a horizontal substrate 312, wherein the vertical substrate 311 is vertically fixed at the bottom of the horizontal substrate 312;
the spherical rolling member 320 is fixed below the horizontal substrate 312 through a fixing member, the top end of the electrode holding rod 110 is pressed against the spherical surface of the spherical rolling member 320, and the spherical surface of the spherical rolling member 320 rotates along with the electrode holding rod 110;
the upper part and the lower part of one side surface of the vertical substrate 311 are respectively provided with a horizontal groove 311-1 and a horizontal groove 311-1, wherein the horizontal groove 311-1 and the horizontal groove 311-1 at the upper part are internally provided with a set of electrode clasping mechanism 330, and the set of electrode clasping mechanism 330 can horizontally move in the horizontal groove 311-1 and the horizontal groove 311-1 at the upper part; a sliding supporting block 340 is arranged in the horizontal groove 311-1 of the lower horizontal groove 311-1, and the sliding supporting block 340 can move in the horizontal groove 311-1 of the lower horizontal groove 311-1;
a groove is arranged on the sliding supporting block 340;
the other set of electrode clasping mechanism 330 is arranged in the groove of the sliding supporting block 340 and can horizontally move in the groove of the sliding supporting block 340.
In the preferred embodiment, when in use, a set of electrode clasping mechanism 330 is arranged in the horizontal groove 311-1 at the upper part of the horizontal groove 311-1 to fix the electrode clamping rod 110, then the horizontal position of the electrode clamping rod 110 can be roughly adjusted by the sliding support block 340 through another set of electrode clasping mechanism 330 arranged in the horizontal groove, and finally the other set of electrode clasping mechanism 330 horizontally slides in the groove of the sliding support block 340 to realize the final fine adjustment of the electrode clamping rod 110. The whole positioning mechanism 300 is simple in structure and convenient to realize, and can realize accurate adjustment of the perpendicularity of the electrode clamping rod 110.
Further, with particular reference to fig. 2, the transmission mechanism 220 includes two pulleys 221 and a belt 222;
the two belt wheels 221 are respectively positioned at the left and right sides of the vertical base plate of the integral support 310 and are connected through a belt 222;
the first belt wheel 221 is fixedly sleeved on the output shaft of the rotating motor 210, the second belt wheel 221 is fixedly sleeved on the outer wall of the electrode clamping rod 110, the two belt wheels 221 are not coplanar, and the installation height of the first belt wheel 221 is greater than that of the second belt wheel 221;
the rotating electric machine 210 is fixed to the other side surface of the vertical base plate by a fixing member.
In the preferred embodiment, the two pulleys 221 are not coplanar and have a height difference such that the two pulleys 221 provide a backward clasping force and an upward force to the electrode holding rod 110, so that the electrode holding rod 110 is pressed against the spherical surface of the spherical rolling member 320. The mode of indirectly providing the electrode rotation motion by the transmission of the belt 222 has the advantages that the electrode rotation precision is not influenced by the rotation precision of the motor shaft, and the electrode is wear-resistant and insulating.
The electrode rotation principle in specific application is as follows: the pulleys 221 are mounted on the output shaft of the rotating motor 210 and the electrode holding rod 110, respectively, and the pulleys 221 are connected to each other by a belt 222, with a difference in height between the positions where the pulleys 221 are mounted. The rotary motor 210 transmits the rotational motion and the tensile force to the electrode holding rod 110 through the belt 222. The upper end of the electrode holding rod 110 is in contact with the spherical surface of the spherical rolling member 320, which rotates along with the electrode holding rod 110 when the electrode holding rod 110 rotates, while providing a supporting force opposite to the tensile force of the belt 222.
The ball roller 320 may be implemented using a ball roller as in the prior art.
Further, referring specifically to fig. 1 and 4, each set of electrode clasping mechanism 330 includes two pressing members 331 and two position adjusting blocks 332;
two pressing pieces 331 and two position adjusting blocks 332 in one set of electrode clasping mechanism 330 are located in the horizontal groove 311-1 at the upper part and the horizontal groove 311-1 at the upper part, the two pressing pieces 331 are oppositely arranged and are respectively fixed on two side walls of the horizontal groove 311-1 at the upper part and the two position adjusting blocks 332 are respectively clamped and fixed in two containing spaces formed between the two pressing pieces 331 and the electrode clamping rod 110, and each position adjusting block 332 is tangent to the adjacent pressing piece 331 and the electrode clamping rod 110;
two pressing pieces 331 and two position adjusting blocks 332 in the other set of electrode clasping mechanism 330 are both located in the groove of the sliding support block 340, the two pressing pieces 331 are oppositely arranged and are respectively fixed on two side walls of the groove of the sliding support block 340, the two position adjusting blocks 332 are respectively clamped and fixed in two accommodating spaces formed between the two pressing pieces 331 and the electrode clamping rod 110, and each position adjusting block 332 is tangent to the adjacent pressing piece 331 and the electrode clamping rod 110.
In the preferred embodiment, the electrode clasping mechanism 330 has a simple structure, and each set of the electrode clasping mechanism 330 has the advantages that the perpendicularity is respectively adjusted in two orthogonal vertical reference planes by combining and adjusting the perpendicularity of the electrode clamping rod 110 through the two position adjusting blocks 332 in the electrode clasping mechanism 330, so that the perpendicularity is not influenced by the processing and assembling precision, and the adjustment is convenient.
Two position adjusting blocks 332 in each set of electrode clasping mechanism 330 form a group, and two groups of position adjusting blocks 332 form two short V-shaped blocks which are respectively positioned in the upper and lower horizontal grooves 311-1 and are used for positioning the electrode clamping rod 110 and applying clamping force to the electrode clamping rod by the driving belt 222; in order to insulate the pulse power applied between the poles, the position adjusting block 332 may be made of an electrically insulating material such as ceramic; the floating positioning of the position adjusting block 332 in the groove can ensure that the position adjusting block 332 maintains a line contact with the electrode holding rod 110; the position adjusting block 332 can adjust the orientation of the position adjusting block 332 by adjusting the pressing member 331 and perform clamping, thereby adjusting the angle of the V-block. If the position of the electrode holding rod 110 before adjustment is shown in fig. 6, it can be seen from fig. 6 that the top end of the electrode holding rod 110 has no offset in the XOY plane, and the bottom end of the electrode holding rod 110 has offsets in both the X direction and the Y axis direction in the XOY plane, and now the perpendicularity of the electrode holding rod 110 in fig. 6 is adjusted, so that the axis of the electrode holding rod 110 is perpendicular to the XOY plane, and the adjustment of the perpendicularity of the electrode holding rod 110 is realized, and the adjustment process is divided into two steps: firstly, fixing an included angle between the upper group of position adjusting blocks by using the adjacent adjusting pressing pieces 331, and then adjusting the included angle between the lower group of position adjusting blocks 332 to realize the adjustment of the axis of the electrode clamping rod 110 in the direction of the YOZ plane, so that the projection state of the electrode clamping rod 110 on the XOY plane is changed from fig. 7(a) to fig. 7(b), that is: eliminating the offset of the axis of the electrode holding rod 110 in the Y direction; secondly, offsetting the change of the axis of the electrode clamping rod 110 in the XOZ plane caused by the adjustment of the included angle between the lower group of position adjusting blocks 332 in the first step by adjusting the position of the sliding supporting block 340 in the X direction, and eliminating the original offset of the axis of the electrode clamping rod 110 in the X direction to realize that the projection state of the electrode clamping rod 110 in the XOY plane is changed from the state (b) in FIG. 7 to the state (c) in FIG. 7;
wherein, fig. 7(a) shows a projection of the electrode holding rod 110 in fig. 6 in the horizontal plane XOY;
FIG. 7(b) shows a projection of the electrode holder bar 110 in the horizontal plane XOY after adjustment of the axis of the electrode holder bar 110 in FIG. 7(a) in the YOZ plane; that is, the adjustment of the lower portion of the electrode holding rod 110 in the Y-axis direction within the horizontal plane XOY in fig. 7 (a);
FIG. 7(c) shows the projection of the electrode holder bar 110 in the horizontal plane XOY after the axis of the electrode holder bar 110 in FIG. 7(b) is adjusted in the YOZ plane; namely: adjustment of the lower portion of the electrode holding rod 110 in the horizontal plane XOY in the X-axis direction in fig. 7 (b).
The adjustment of the axis of the electrode holding rod 110 in the direction of the YOZ plane is realized by adjusting the included angle between the set of position adjusting blocks 332 at the upper part, the change of the axis of the electrode holding rod 110 in the XOZ plane caused by the adjustment of the included angle of the V-shaped block is counteracted by adjusting the position of the sliding supporting block 340 in the X direction, and the change process of the projection of the electrode holding rod 110 in the XOY plane in the adjustment process is shown in fig. 7.
Further, referring to fig. 4 specifically, the compressing member 331 is a hemispherical structure, the position adjusting block 332 is a quadrangular column with a top portion being a hemispherical structure, and a cross section of the quadrangular column is square.
Further, referring to fig. 5, a plurality of axial slits 111 are uniformly formed in the bottom end of the electrode clamping bar 110 along the circumferential direction, and a plurality of ring grooves 112 are formed on the outer side wall of the electrode clamping bar 110 having the slits 111, and the ring grooves 112 are used for being inserted with the snap rings 120.
During specific application, after the electrode is inserted into the bottom end of the electrode clamping rod 110, the clamping ring 120 is sleeved into the ring groove 112, so that the bottom end of the electrode clamping rod 110 deforms, the bottom end of the electrode clamping rod 110 is tightened, electrode clamping is completed, and the electrode clamping is convenient to replace.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (6)
1. An electrode clamping device for a micro electric discharge machine comprises an electrode clamping mechanism (100), a rotating mechanism (200) and a positioning mechanism (300), and has the following four characteristics;
the method is characterized in that:
an electrode clamping mechanism (100) for clamping an electrode; a rotation mechanism (200) for driving the electrode holding mechanism (100) to rotate; the positioning mechanism (300) is used for adjusting and positioning the verticality of the electrode clamping mechanism (100);
the second characteristic:
the electrode clamping mechanism (100) comprises an electrode clamping rod (110) and a clamping ring (120); the electrode clamping rod (110) is a cylindrical column body, the inner diameter of the cylindrical column body is far smaller than the outer diameter, and the bottom end of the electrode clamping rod (110) is used for clamping an electrode; the clamping ring (120) is an elastic piece, and the clamping ring (120) is sleeved at the bottom end of the electrode clamping rod (110) and used for tightening the bottom end of the electrode clamping rod (110);
the characteristics are three:
the rotating mechanism (200) comprises a rotating motor (210) and a transmission mechanism (220); the rotating motor (210) drives the electrode clamping rod (110) to rotate through the transmission mechanism (220);
the characteristics are as follows:
the positioning mechanism (300) comprises an integral bracket (310), a spherical rolling element (320), two sets of electrode clasping mechanisms (330) and a sliding supporting block (340); each set of electrode clasping mechanism (330) is used for adjusting and fixing the deflection angle of the electrode clamping rod (110) in the vertical direction;
the integral support (310) comprises a vertical base plate (311) and a horizontal base plate (312), wherein the vertical base plate (311) is vertically fixed at the bottom of the horizontal base plate (312);
the spherical rolling part (320) is fixed below the horizontal substrate (312) through a fixing part, the top end of the electrode clamping rod (110) is pressed against the spherical surface of the spherical rolling part (320), and the spherical surface of the spherical rolling part (320) rotates along with the electrode clamping rod (110);
the upper part and the lower part of one side surface of the vertical substrate (311) are respectively provided with a horizontal groove (311-1), wherein the horizontal groove (311-1) at the upper part is internally provided with a set of electrode clasping mechanism (330), and the set of electrode clasping mechanism (330) can horizontally move in the horizontal groove (311-1) at the upper part; a sliding supporting block (340) is arranged in the horizontal groove (311-1) at the lower part, and the sliding supporting block (340) can move in the horizontal groove (311-1) at the lower part;
a groove is arranged on the sliding supporting block (340);
the other set of electrode clasping mechanism (330) is arranged in the groove of the sliding supporting block (340) and can horizontally move in the groove of the sliding supporting block (340).
2. The electrode clamping device for a micro electric discharge machine according to claim 1, wherein a plurality of axial slits (111) are uniformly formed in the bottom end of the electrode holding rod (110) along the circumferential direction, and a plurality of ring grooves (112) are formed in the outer side wall of the electrode holding rod (110) having the slits (111), and the ring groove (112) is used for embedding the snap ring (120).
3. The electrode clamping device for micro electric discharge machine according to claim 1, wherein the transmission mechanism (220) comprises two pulleys (221) and a belt (222);
the two belt wheels (221) are respectively positioned at the left side and the right side of the vertical base plate of the integral support (310) and are connected through a belt (222);
the first belt wheel (221) is fixedly sleeved on an output shaft of the rotating motor (210), the second belt wheel (221) is fixedly sleeved on the outer wall of the electrode clamping rod (110), the two belt wheels (221) are not coplanar, and the installation height of the first belt wheel (221) is greater than that of the second belt wheel (221);
the rotating motor (210) is fixed on the other side surface of the vertical base plate through a fixing piece.
4. The electrode clamping device for a micro electric discharge machine according to claim 1, wherein each set of the electrode clasping mechanism (330) comprises two pressing members (331) and two position adjusting blocks (332);
two pressing pieces (331) and two position adjusting blocks (332) in one set of electrode clasping mechanism (330) are located in a horizontal groove (311-1) at the upper part, the two pressing pieces (331) are oppositely arranged and are respectively fixed on two side walls of the horizontal groove (311-1) at the upper part, the two position adjusting blocks (332) are respectively clamped and fixed in two containing spaces formed between the two pressing pieces (331) and the electrode clamping rod (110), and each position adjusting block (332) is tangent to the pressing piece (331) and the electrode clamping rod (110) adjacent to the position adjusting block;
two pressing pieces (331) and two position adjusting blocks (332) in the other set of electrode clasping mechanism (330) are located in the groove of the sliding support block (340), the two pressing pieces (331) are oppositely arranged and are respectively fixed on two side walls of the groove of the sliding support block (340), the two position adjusting blocks (332) are respectively clamped and fixed in two containing spaces formed between the two pressing pieces (331) and the electrode clamping rod (110), and each position adjusting block (332) is tangent to the adjacent pressing piece (331) and the electrode clamping rod (110).
5. The electrode clamping device for the micro electric discharge machine according to claim 4, wherein the pressing member (331) is of a hemispherical structure, the position adjusting block (332) is a quadrangular cylinder of which the top is of a hemispherical structure, and the cross section of the quadrangular cylinder is square.
6. The electrode holder for micro electric discharge machine according to claim 4, wherein the position adjusting block (332) is made of an insulating material.
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| CN105665854A (en) * | 2016-03-25 | 2016-06-15 | 凯迈（洛阳）测控有限公司 | Adjustable electrode clamping device |
| CN108188519A (en) * | 2017-12-01 | 2018-06-22 | 中国航发航空动力股份有限公司 | A kind of electric spark small hole machine tool feeds extension apparatus |
| CN209288470U (en) * | 2018-11-19 | 2019-08-23 | 长安大学 | Electric-spark drilling lathe electrode silk clamping device |
| CN109352102A (en) * | 2018-11-24 | 2019-02-19 | 中国科学院宁波材料技术与工程研究所 | A kind of laser and electrolysis composite rotating processing unit (plant) |
| CN210060023U (en) * | 2019-05-21 | 2020-02-14 | 新疆大学 | Clamp capable of adjusting tubular electrode |
| CN211588820U (en) * | 2019-11-26 | 2020-09-29 | 天津科技大学 | Accessory device applied to rotary electric spark machine tool |
| CN111151832A (en) * | 2020-01-15 | 2020-05-15 | 清华大学 | Rotary arc milling device, milling machine tool and control system thereof |
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