CN210877952U - Tool for electric spark machining arc core-pulling structure - Google Patents
Tool for electric spark machining arc core-pulling structure Download PDFInfo
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- CN210877952U CN210877952U CN201921269691.XU CN201921269691U CN210877952U CN 210877952 U CN210877952 U CN 210877952U CN 201921269691 U CN201921269691 U CN 201921269691U CN 210877952 U CN210877952 U CN 210877952U
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Abstract
The utility model discloses a frock for electrosparking circular arc structure of loosing core, it has the circular arc die cavity of loosing core to inject in the circular arc structure of loosing core for the frock of electrosparking circular arc structure of loosing core includes: a base; at least one part of the driving component is connected with the arc core pulling structure so as to drive the arc core pulling structure to move between a first position and a second position along the extension direction of the arc core pulling cavity; the electric spark machine head is connected with the driving assembly to drive the driving assembly to move; the electrode is arranged on the base and faces the arc core-pulling cavity, the electrode is formed into an arc shape corresponding to the shape of the arc core-pulling cavity, when the arc core-pulling structure is located at the first position, the arc core-pulling cavity is separated from the electrode, when the arc core-pulling structure is located at the second position, the arc core-pulling cavity moves to the position where the electrode is located, and the electrode is inserted into the arc core-pulling cavity. The tool for the electric spark machining arc core-pulling structure can solve the problem that the arc core-pulling cavity back-off structure of the mold is difficult to machine.
Description
Technical Field
The utility model belongs to the technical field of the mould processing, concretely relates to frock that is used for spark-erosion machining circular arc structure of loosing core.
Background
With the continuous progress of the technological level, the numerical control machining capacity and the numerical control machining level are more intelligent, the five-axis numerical control machining tool can machine a plurality of complex structures, and the five-axis numerical control machining tool are matched with electric spark machining and complement each other, so that a plurality of classical mold structures can be presented perfectly.
The numerical control machine tool can realize the die cavity processing of various shapes, but for the arc die cavity with the back-off structure, the numerical control processing is difficult to realize because the cutter cannot be bent.
The electric discharge machining processes the mold cavity by the electroerosion action of the pulse discharge between the tool electrode and the workpiece electrode to obtain the desired cavity shape. At present, the electric spark machine tool can realize translation, namely swing around the circle center by 360 degrees or any linear motion, but the motion around any arc length is difficult to realize. In conclusion, the reverse-buckling area of the arc cavity cannot be machined by directly using the electric spark machine tool.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model provides a frock for electrosparking circular arc structure of loosing core, this a frock for electrosparking circular arc structure of loosing core can solve the mould circular arc and loose core the difficult problem of processing of die cavity back-off structure.
According to the utility model discloses a frock for electrosparking circular arc structure of loosing core, it has the circular arc die cavity of loosing core to inject in the circular arc structure of loosing core, a frock for electrosparking circular arc structure of loosing core includes: the base is provided with an installation part which can be used for placing the arc core pulling structure; the driving assembly is movably arranged on the base, and at least one part of the driving assembly is connected with the arc core-pulling structure so as to drive the arc core-pulling structure to move between a first position and a second position along the extending direction of the arc core-pulling cavity; the electric spark machine head is connected with the driving assembly to drive the driving assembly to move; the electrode, the electrode is established on the base and towards the circular arc die cavity of loosing core, the electrode form into with the corresponding arc of shape of circular arc die cavity of loosing core, the circular arc structure of loosing core is located when the first position, the circular arc die cavity of loosing core with the electrode separation, the circular arc structure of loosing core is located when the second position moves, the circular arc die cavity of loosing core activity extremely the electrode position just the electrode inserts in the circular arc die cavity of loosing core.
According to the utility model discloses a frock for spark-erosion machining circular arc structure of loosing core, circular arc structure of loosing core can follow the circular arc and loose core the extending direction of die cavity and move about between primary importance and second place, when the circular arc structure of loosing core is located the primary importance, the circular arc loose core the die cavity with the electrode separation, when the circular arc structure of loosing core is located the motion of second place, the circular arc is loosed core the die cavity activity and is inserted the circular arc and take out the die cavity to electrode position and electrode, realizes spark-erosion machine tool processing circular arc and looses core the die cavity. The tool for the electric spark machining arc core pulling structure can realize complete machining of the arc core pulling cavity, can shorten the machining period, improves the machining efficiency and reduces the machining cost.
According to the utility model discloses an embodiment, be equipped with first cooperation portion on the circular arc core pulling structure, the installation department forms to bearing the mounting groove of circular arc core pulling structure, a frock for electrosparking circular arc core pulling structure still includes: the guide block is arranged on the base, a second matching portion corresponding to the first matching portion is arranged on the guide block, the second matching portion is detachably connected with the first matching portion and is movable relative to the first matching portion so that the circular arc core pulling structure moves along the extending direction of the circular arc core pulling cavity.
According to the utility model discloses an embodiment, first cooperation portion form outstanding in the arc of the surface of structure is loosed core to the circular arc is protruding, second cooperation portion forms the arc recess, the arc is protruding to be followed the extending direction movably of arc recess is established in the arc recess.
According to an embodiment of the present invention, the arc length of the arc protrusion is smaller than the arc length of the arc groove.
According to the utility model discloses an embodiment, the mounting groove forms to rectangular shape, the quantity of guide block is two and is located respectively recess length direction's both ends, the both ends of structure are loosed core to the circular arc are equipped with respectively the arc is protruding, every the guide block orientation one side of structure is loosed core to the circular arc is equipped with respectively the arc recess.
According to the utility model discloses an embodiment, drive assembly form into rectangular shape and with the base is articulated, drive assembly's one end with the electric spark head link to each other with by the electric spark head drive is along the activity of upper and lower direction, drive assembly's the other end with the circular arc structure of loosing core links to each other with the drive the circular arc structure of loosing core activity.
According to the utility model discloses an embodiment, be equipped with dorsad on the circular arc core pulling structure the circular arc core pulling die cavity place one side cooperation groove of extending, drive assembly's the other end peg graft in cooperation groove.
According to the utility model discloses an embodiment, a frock for electrosparking circular arc structure of loosing core still include: the electrode mounting panel, electrode mounting panel detachably establishes the base and with the circular arc structure of loosing core sets up relatively, the electrode mounting panel forms into the insulating part, the electrode is located the electrode mounting panel is close to one side of recess place direction.
According to the utility model discloses an embodiment, a frock for electrosparking circular arc structure of loosing core still include: the conductive block is arranged on the electrode mounting plate, one end of the conductive block is connected with the electrode, and the other end of the conductive block is connected with a machine tool workbench.
According to the utility model discloses an embodiment, a frock for electrosparking circular arc structure of loosing core still include: the insulating plate is arranged between the base and the machine tool workbench.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a prior art electrical discharge machining tool;
fig. 2 is a schematic view of the arc core pulling structure located at a first position when the tool for electric spark machining the arc core pulling structure and the arc core pulling structure are assembled according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of the area B in FIG. 2;
fig. 4 is a schematic diagram of the arc core pulling structure located at the second position when the tool for electric spark machining the arc core pulling structure and the arc core pulling structure are assembled according to the embodiment of the present invention;
FIG. 5 is a schematic structural diagram of the region C in FIG. 4;
fig. 6 is a schematic structural diagram of an arc core pulling structure for tool installation of an arc core pulling structure for electric discharge machining according to an embodiment of the present invention;
fig. 7 is a schematic partial structural view of a tool for electric discharge machining arc core pulling structure according to an embodiment of the present invention;
fig. 8 is an assembly schematic diagram of an electrode mounting plate and an electrode of a tool for electric discharge machining arc core pulling structure according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an arc core pulling structure of a tool for electric discharge machining arc core pulling structures according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a guide block of a tool for electric discharge machining arc core pulling structures according to an embodiment of the present invention.
Reference numerals:
the tool 100 is used for processing an arc core-pulling structure by electric sparks;
a base 10; a mounting portion 11; a rotating shaft 12;
a drive assembly 20; an electric discharge machine head 30;
an electrode 40;
a guide block 50; a second fitting portion 51;
a conductive block 60; an insulating plate 70; an electrode mounting plate 80;
an arc core pulling structure 200; an arc core-pulling cavity 210; a first position 220; a second position 230; the first fitting portion 240; a mating groove 250;
an electric discharge machining tool 300; a cutter 310; a mold cavity 320; and (4) reversing the area A.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses a utility model people is based on the utility model creation that following fact made.
Fig. 1 shows an electric discharge machining tool 300 in the prior art, for a circular arc cavity 320 with a reversed area a, numerical control machining is difficult to realize because a cutter 310 cannot be bent. At present, the electric spark machine tool can realize translation, namely swing around the circle center by 360 degrees or any linear motion, but the motion around any arc length is difficult to realize. In conclusion, the reverse-buckling area of the arc cavity cannot be machined by directly using the electric spark machine tool.
Based on this, the utility model people of this application reachs following utility model and creates through long-term creative work.
The following specifically describes a tool 100 for electric discharge machining arc core pulling structure according to an embodiment of the present invention with reference to the drawings.
As shown in fig. 2 to 10, according to the utility model discloses a frock 100 for electrosparking circular arc structure of loosing core, it has circular arc die cavity 210 of loosing core to inject in the circular arc structure of loosing core 200 for frock 100 for electrosparking circular arc structure of loosing core includes: a base 10, a drive assembly 20, an electric discharge machine head 30, and an electrode 40.
Specifically, the base 10 is provided with an installation portion 11 capable of placing the arc core pulling structure 200, the driving assembly 20 is movably arranged on the base 10, at least a portion of the driving assembly 20 is connected with the arc core pulling structure 200 to drive the arc core pulling structure 200 to move between a first position 220 and a second position 230 along the extending direction of the arc core pulling cavity 210, the electric discharge machine head 30 is connected with the driving assembly 20 to drive the driving assembly 20 to move, the electrode 40 is arranged on the base 10 and faces the arc core pulling cavity 210, the electrode 40 is formed into an arc shape corresponding to the shape of the arc core pulling cavity 210, and when the arc core pulling structure 200 is located at the first position 220, the arc core-pulling cavity 210 is separated from the electrode 40, when the arc core-pulling structure 200 is located at the second position 230 and moves, the arc core-pulling cavity 210 moves to the position of the electrode 40, and the electrode 40 is inserted into the arc core-pulling cavity 210.
In other words, according to the utility model discloses a frock 100 that is used for spark-erosion machining circular arc to loose core the structure mainly comprises base 10, drive assembly 20, electric spark aircraft nose 30 and electrode 40, is equipped with installation department 11 on base 10, can install, place circular arc structure of loosing core 200 through installation department 11, and it has circular arc cavity of loosing core 210 to inject in the circular arc structure of loosing core 200, and circular arc cavity of loosing core 210 is exactly the position that needs discharge machining. Can drive circular arc structure of loosing core 200 along the extending direction of circular arc die cavity 210 and move between first position 220 and second position 230 through drive assembly 20, when circular arc structure of loosing core 200 was located first position 220, install electrode 40 on base 10 and the circular arc die cavity 210 breaks away from, when circular arc structure of loosing core 200 was located second position 230, at least a part of electrode 40 can stretch into in the circular arc die cavity 210, because electrode 40 forms the arc corresponding with the shape of circular arc die cavity 210 of loosing core, the motion trail of circular arc structure of loosing core 200 matches with the shape of circular arc die cavity 210 of loosing core. Therefore, when the arc core pulling structure 200 moves from the first position 220 to the second position 230 along the arc track, the electrode 40 can be inserted into the arc core pulling cavity 210. The electric spark machine head 30 is connected with the arc core pulling structure 200, the motion of the electric spark machine head 30 can be converted into the curvilinear motion of the arc core pulling structure 200, one pole of the power supply is the arc core pulling structure 200, the other pole of the power supply is the electrode 40, and the discharge is completed in the process that the arc core pulling structure 200 approaches the electrode 40.
From this, according to the utility model discloses a frock 100 that is used for spark-erosion machining circular arc to loose core the structure adopts base 10, drive assembly 20, electric spark aircraft nose 30 and electrode 40 to combine together, not only can realize that the circular arc is loosed core the complete processing of die cavity 210, need not separately process the mould die cavity, shortens processing cycle, improves machining efficiency, reduces the processing cost, can reduce the concatenation line on the product moreover, improves product quality, makes product appearance more pleasing to the eye. And, the utility model discloses a frock 100 for electrosparking arc core pulling structure designs simply, easily operates, according to the utility model discloses a frock 100 for electrosparking arc core pulling structure can promote the processing of solving needs processing arc shape work piece such as annular water route.
According to the utility model discloses an embodiment, be equipped with first cooperation portion 240 on the circular arc structure of loosing core 200, installation department 11 forms the mounting groove that can bear circular arc structure of loosing core 200, a frock 100 for electrosparking circular arc structure of loosing core still includes guide block 50, base 10 is located to guide block 50, be equipped with the second cooperation portion 51 that corresponds with first cooperation portion 240 on the guide block 50, second cooperation portion 51 links to each other with first cooperation portion 240 detachably and second cooperation portion 51 is movable relatively so that circular arc structure of loosing core 200 is loose core 210's extending direction activity along the circular arc with first cooperation portion 240.
Further, the first engaging portion 240 is formed as an arc protrusion protruding from the outer surface of the arc core pulling structure 200, the second engaging portion 51 is formed as an arc groove, and the arc protrusion is movably disposed in the arc groove along the extending direction of the arc groove.
Optionally, the arc length of the arc-shaped protrusion is less than the arc length of the arc-shaped groove.
As shown in fig. 7 and 9, in some embodiments of the present invention, the mounting groove is formed into a long strip shape, the number of the guide blocks 50 is two and is respectively located at two ends of the groove in the length direction, the two ends of the circular arc core pulling structure 200 are respectively provided with an arc protrusion, each guide block 50 is respectively provided with an arc groove towards one side of the circular arc core pulling structure 200, and the circular arc core pulling structure 200 can play a guiding role when moving from the first position 220 to the second position 230.
According to the utility model discloses an embodiment, drive assembly 20 forms to rectangular shape and articulates with base 10, and drive assembly 20's one end links to each other with electric spark head 30 in order to be driven by electric spark head 30 along the activity of upper and lower direction, and drive assembly 20's the other end links to each other with circular arc structure 200 of loosing core in order to drive circular arc structure 200 activity of loosing core. The driving assembly 20 and the electric discharge machine head 30 may form a curved bar structure, and any two-point motion of the electric discharge machine head 30 can be converted into the motion of the arc core pulling structure 200 along the core pulling direction through the curved bar structure, so that the motion of the electrode 40 or the arc core pulling structure 200 according to a specified track can be realized. A rotary shaft 12 may be mounted on the base 10, and a driving assembly 20 may be mounted on the rotary shaft 12, the driving assembly 20 being capable of rotating around the axial direction of the rotary shaft 12. During discharge machining, the electric discharge machine head 30 moves downwards along the vertical direction, so that the driving assembly 20 swings up and down around the rotating shaft 12, the arc core pulling structure 200 is driven to move up and down along the installation groove in the installation groove, and the arc core pulling structure 200 and the electrode 40 are promoted to complete a discharge process.
Optionally, a positioning groove is formed in the base 10, the positioning groove is communicated with the mounting groove, and the rotating shaft 12 can be mounted in the positioning groove, so that the driving assembly 20 can be mounted and rotated conveniently.
As shown in fig. 2, 4 and 6, the circular arc core pulling structure 200 is further provided with a matching groove 250 extending away from one side of the circular arc core pulling cavity 210, and the other end of the driving assembly 20 is inserted into the matching groove 250.
The utility model discloses an among some embodiments, a frock 100 for electrosparking circular arc structure of loosing core still includes: the electrode mounting plate 80 is detachably arranged on the base 10 and is opposite to the arc core pulling structure 200, the electrode mounting plate 80 is formed into an insulating part, the electrode 40 is not electrically connected with the arc core pulling structure 200, and the electric spark machine head 30 and the arc core pulling structure 200 can form a power supply pole. The electrode 40 is provided on the electrode mounting plate 80 on the side thereof in the direction in which the recess is located.
Optionally, the tool 100 for electric discharge machining of the arc core pulling structure further includes a conductive block 60, the conductive block 60 is disposed on the electrode mounting plate 80, one end of the conductive block 60 is connected to the electrode 40, and the other end of the conductive block 60 is connected to the machine tool workbench.
According to the utility model discloses an embodiment, a frock 100 for electrosparking circular arc structure of loosing core still includes: and the insulating plate 70 is arranged between the base 10 and the machine tool workbench, so that the circuit integrity can be ensured.
In a word, according to the utility model discloses a frock 100 for electrosparking circular arc structure of loosing core has simple structure, and the operation of being convenient for improves advantages such as product quality.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a frock for electrosparking circular arc structure of loosing core, it has the circular arc die cavity of loosing core to inject in the circular arc structure of loosing core, a serial communication port, a frock for electrosparking circular arc structure of loosing core includes:
the base is provided with an installation part which can be used for placing the arc core pulling structure;
the driving assembly is movably arranged on the base, and at least one part of the driving assembly is connected with the arc core-pulling structure so as to drive the arc core-pulling structure to move between a first position and a second position along the extending direction of the arc core-pulling cavity;
the electric spark machine head is connected with the driving assembly to drive the driving assembly to move;
the electrode, the electrode is established on the base and towards the circular arc die cavity of loosing core, the electrode form into with the corresponding arc of shape of circular arc die cavity of loosing core, the circular arc structure of loosing core is located when the first position, the circular arc die cavity of loosing core with the electrode separation, the circular arc structure of loosing core is located when the second position moves, the circular arc die cavity of loosing core activity extremely the electrode position just the electrode inserts in the circular arc die cavity of loosing core.
2. The tooling for the electric discharge machining arc core pulling structure according to claim 1, wherein a first matching portion is arranged on the arc core pulling structure, the installation portion is formed to bear an installation groove of the arc core pulling structure, and the tooling for the electric discharge machining arc core pulling structure further comprises:
the guide block is arranged on the base, a second matching portion corresponding to the first matching portion is arranged on the guide block, the second matching portion is detachably connected with the first matching portion and is movable relative to the first matching portion so that the circular arc core pulling structure moves along the extending direction of the circular arc core pulling cavity.
3. The tool for electric discharge machining of the arc core pulling structure according to claim 2, wherein the first matching portion is formed as an arc-shaped protrusion protruding out of the outer surface of the arc core pulling structure, the second matching portion is formed as an arc-shaped groove, and the arc-shaped protrusion is movably arranged in the arc-shaped groove along the extending direction of the arc-shaped groove.
4. The tool for electric discharge machining of the arc core pulling structure according to claim 3, wherein the arc length of the arc protrusion is smaller than the arc length of the arc groove.
5. The tool for electric discharge machining of the arc core pulling structure according to claim 3, wherein the mounting groove is formed in a long strip shape, the number of the guide blocks is two, the guide blocks are located at two ends of the groove in the length direction respectively, the arc-shaped protrusions are arranged at two ends of the arc core pulling structure respectively, and the arc-shaped groove is arranged on one side, facing the arc core pulling structure, of each guide block respectively.
6. The tool for electric discharge machining of the arc core pulling structure according to claim 1, wherein the driving assembly is formed into a long strip shape and hinged to the base, one end of the driving assembly is connected with the electric discharge machine head to be driven by the electric discharge machine head to move in the vertical direction, and the other end of the driving assembly is connected with the arc core pulling structure to drive the arc core pulling structure to move.
7. The tool for electric discharge machining of the arc core pulling structure according to claim 6, wherein a matching groove extending back to one side of the arc core pulling cavity is formed in the arc core pulling structure, and the other end of the driving assembly is connected to the matching groove in an inserting mode.
8. The tooling for the electric discharge machining arc core pulling structure according to claim 3, further comprising:
the electrode mounting panel, electrode mounting panel detachably establishes the base and with the circular arc structure of loosing core sets up relatively, the electrode mounting panel forms into the insulating part, the electrode is located the electrode mounting panel is close to one side of recess place direction.
9. The tooling for the electric discharge machining arc core pulling structure according to claim 8, further comprising:
the conductive block is arranged on the electrode mounting plate, one end of the conductive block is connected with the electrode, and the other end of the conductive block is connected with a machine tool workbench.
10. The tooling for the electric discharge machining arc core pulling structure according to claim 9, further comprising:
the insulating plate is arranged between the base and the machine tool workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269691.XU CN210877952U (en) | 2019-08-07 | 2019-08-07 | Tool for electric spark machining arc core-pulling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921269691.XU CN210877952U (en) | 2019-08-07 | 2019-08-07 | Tool for electric spark machining arc core-pulling structure |
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| Publication Number | Publication Date |
|---|---|
| CN210877952U true CN210877952U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921269691.XU Active CN210877952U (en) | 2019-08-07 | 2019-08-07 | Tool for electric spark machining arc core-pulling structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421220A (en) * | 2019-08-07 | 2019-11-08 | 常州星宇车灯股份有限公司 | Tooling for electrical discharge machining arc core pulling structure |
-
2019
- 2019-08-07 CN CN201921269691.XU patent/CN210877952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421220A (en) * | 2019-08-07 | 2019-11-08 | 常州星宇车灯股份有限公司 | Tooling for electrical discharge machining arc core pulling structure |
| CN110421220B (en) * | 2019-08-07 | 2024-04-26 | 常州星宇车灯股份有限公司 | Tool for electric spark machining of arc core-pulling structure |
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