CN218612097U - Special jig for electrosparking - Google Patents
Special jig for electrosparking Download PDFInfo
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- CN218612097U CN218612097U CN202223188937.5U CN202223188937U CN218612097U CN 218612097 U CN218612097 U CN 218612097U CN 202223188937 U CN202223188937 U CN 202223188937U CN 218612097 U CN218612097 U CN 218612097U
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Abstract
The utility model relates to a special tool for electric spark machining, which is provided with a forming core, wherein the forming core is provided with a convex block and a convex column and comprises a base and a positioning group which are integrally connected, and a screw is arranged on the base and is in threaded connection with the forming core through the screw; the positioning group is positioned on the base and clamps the convex block of the molding core; the base sets up a plurality of location adsorption plane, every location adsorption plane treats processing side parallel arrangement with one of shaping core. The utility model provides a plurality of location adsorption planes, every location adsorption plane all correspond the side of treating processing of a shaping core, and a plurality of location adsorption planes integrate on a base to the loaded down with trivial details step of positioning seat is just changed to the side of avoiding needing every shaping core of processing among the prior art, thereby simplifies the process flow, and it is long when reducing processing, improves machining efficiency, solves the technical problem who exists among the prior art.
Description
Technical Field
The utility model belongs to the technical field of the tool for the electric spark machining and specifically relates to a special tool of electric spark machining who relates to and make is special for electric toothbrush handle processing with shaping core.
Background
The core a for a handle of an electric toothbrush shown in fig. 1 is applied to an injection mold, and is an important structure of a molded part of the handle of the electric toothbrush, and the core a for a handle of an electric toothbrush has a cylindrical shape, a plurality of different structures are arranged on a side surface thereof, and the side surface is a cylindrical side surface. In order to realize the accurate processing of the side surface structure, the forming core A for the electric toothbrush handle is provided with a plurality of side surfaces to be processed, and each side surface to be processed is processed with a specific structure, so that a positioning seat is required to be arranged aiming at each side surface to be processed, the positioning seat and a blank to be processed into the forming core A are locked by screws, and stable electric spark processing operation is carried out.
Therefore, how to design and manufacture a comprehensive positioning fixture to satisfy the sequential and continuous electrical discharge machining operation of the plurality of sides to be machined of the forming core a is one of the technical problems to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the prior art, the utility model aims to provide a special tool of spark-erosion machining who relates to and make for electric toothbrush handle processing with the shaping core specially.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a special tool of spark-erosion machining, installs shaping core on it, shaping core has lug and projection, and it includes base and the location group of body coupling, wherein:
the base penetrates through a screw and is in threaded connection with the forming core through the screw;
the positioning group is positioned on the base and clamps the convex block of the molding core;
the base sets up a plurality of location adsorption planes, every the location adsorption plane is waited to process side parallel arrangement with one of shaping core.
Further preferred is: the plurality of positioning and adsorbing surfaces are arranged on the periphery of the base.
Further preferred is: the positioning adsorption surface is a plane.
Further preferred is: the upper end surface of the base is a positioning surface, and the positioning group is positioned on the positioning surface;
a countersunk hole is formed in the lower end face of the base towards the positioning face, and the screw penetrates through the countersunk hole.
Further preferred is: and the lug is provided with a screw hole to be matched and connected with the screw.
Further preferably: the base is provided with a positioning hole, and the positioning hole is inserted and positioned with the convex column of the forming core.
Further preferred is: the positioning groups are in annular arrays, and the positioning holes are located in the centers of the positioning groups.
Further preferably: the positioning group is triangular, and the tip of the positioning group points to the positioning adsorption surface.
Further preferred is: the positioning group consists of two clamping blocks which are respectively a first clamping block and a second clamping block;
the first clamping blocks and the second clamping blocks are distributed at intervals, and the lug is clamped between the first clamping blocks and the second clamping blocks.
Further preferred is: the first clamping block is in a triangular shape, and the second clamping block is in a trapezoidal shape.
After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:
the utility model provides a plurality of location adsorption planes, every location adsorption plane all correspond the side of treating processing of a shaping core, and a plurality of location adsorption planes integrate on a base to avoid the loaded down with trivial details step that the side of every shaping core that needs to process just changes the positioning seat among the prior art, thereby simplify the process flow, long when reducing processing, improve machining efficiency, solve the technical problem who exists among the prior art.
Drawings
FIG. 1 is a schematic view of a molded core structure for a handle of an electric toothbrush;
fig. 2 is a schematic structural perspective view of the special jig for electric discharge machining according to the embodiment of the present invention;
fig. 3 is a schematic structural perspective view of the special jig for electrical discharge machining according to the embodiment of the present invention;
fig. 4 is a schematic structural view of a processing surface of the special jig for electric discharge machining according to the embodiment of the present invention;
fig. 5 is a schematic view of the structure of the adsorption surface of the special jig for electric discharge machining according to the embodiment of the present invention;
FIG. 6 is a schematic perspective view of the electric discharge machining jig assembled with the molded core for the handle of the electric toothbrush according to the embodiment of the present invention;
fig. 7 is a front view of the structure shown in fig. 6.
The reference numerals of the above description refer to the following:
A. forming a core; a1, a main body; a2, a bump; a3, convex columns;
100. a base;
110. a first positioning group; 120. a second positioning group; 130. a third positioning group; 111. a first clamping block; 112. a second clamp block;
140. a through hole;
150. positioning holes;
101. the adsorption surface is positioned.
Detailed Description
The technical problems in the prior art are as follows: on the premise of meeting the requirements of sequential and continuous electrosparking operation of a plurality of sides of the forming core A, a positioning jig with comprehensiveness and good positioning stability is designed.
The inventor aims at the technical problem, and through the analysis of reasons, the continuous research discovers that the utility model provides a plurality of positioning adsorption surfaces, each positioning adsorption surface corresponds to the side to be processed of a forming core, and the plurality of positioning adsorption surfaces are integrated on a base, thereby avoiding the tedious step that the positioning seat needs to be replaced every time the side of a forming core is processed in the prior art, simplifying the processing flow, reducing the processing time and improving the processing efficiency; in addition, a plurality of location adsorb the side setting on a base, only need adjust the location adsorb the face with adsorb the position of location platform in the electrical discharge machining equipment, namely: according to the machining requirement of the forming core, the positioning adsorption surfaces are continuously adjusted to be sequentially adsorbed and positioned with the adsorption positioning table in the electric spark machining equipment, so that the aim of electric spark continuous machining operation is fulfilled, the technical problems in the prior art are solved, the machining flow is further simplified, the machining time is shortened, the machining efficiency is improved, and the machining cost is further reduced.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
The structure and function of the special jig for electric discharge machining are specifically described as follows with reference to the structure shown in fig. 1 to 7 in the attached drawings of the specification:
it should be noted in advance that: the electric toothbrush handle is with shaping core A, hereinafter for short: the molding core A comprises a columnar main body A1 and three convex blocks A2, wherein the three convex blocks A2 are integrally connected with the main body A1, and the three convex blocks A2 are arranged on the periphery of the main body A1 and are arranged in an annular array; the bottom of the main body A1 is provided with a convex column A3, and the convex column A3 is provided with a plurality of side faces adjacent to each other; the main points of attention are: the forming core A is provided with a plurality of side surfaces to be processed, and a preset structure on each side surface to be processed needs to be processed by utilizing electric spark equipment.
The utility model provides a special tool of electrical discharge machining, its is used for the location to wait to process the raw materials that is shaping core A, and this tool adsorbs on electrical discharge machining equipment, provides and waits to process the side, carries out the electrical discharge machining operation for the processing electrode in the electrical discharge machining equipment for obtain required shaping core A for the electric toothbrush handle, the processing tool that this technical scheme expounded is special tool, and it only carries out electrical discharge machining to the shaping core A structure for the electric toothbrush handle.
The electric spark machining jig is of an integrated structure and can be adsorbed and fixed with a positioning magnetic adsorption table in electric spark technician equipment.
The electric spark machining jig comprises a base 100 and a positioning set which are integrally formed, wherein the positioning set is positioned on the base 100.
The base 100 is provided with an upper end surface and a lower end surface, the lower end surface is an adsorption surface, the adsorption surface is a side surface which is directly butted and adsorbed with a positioning adsorption table in the electric spark machining equipment, and the adsorption surface is a plane; the upper end face is a processing face, the processing face and the adsorption face are arranged in parallel and distributed vertically, the positioning group is mounted on the processing face, and the processing face is a plane.
In this embodiment: the adsorption surface and the processing surface are both smooth planes.
It should be noted that: through holes 140 are formed from the adsorption surface to the machining surface, the through holes 140 are counter bores and can be round holes or threaded holes with smooth inner walls, and the through holes 140 are used for assembling screws for locking the core bodies to be machined on the base 100. The number and the positions of the through holes 140 may be set according to actual machining products.
In this embodiment: the number of the through holes 140 is six, and six through holes 140 are three in one group, that is: two groups of through holes are formed in the base 100, and three through holes 140 in each group of through holes are distributed in a triangular shape; specifically, the method comprises the following steps: the two through hole groups are respectively a first through hole group and a second through hole group, the first through hole group and the second through hole group are respectively provided with three through holes 140, the three through holes 140 are distributed in a triangular shape, preferably in an isosceles triangle shape, the first through hole group is positioned in the second through hole group, namely: three adjacent triangular through holes 140 are a first through hole group, and three through holes 140 are further disposed outside the three through holes 140 in the first through hole group, and the three through holes 140 are also triangular, that is: a second set of through holes.
It should be noted that: the first set of through holes is disposed near the center of the base 100, and the second set of through holes is disposed near the edge of the base 100.
The upper end surface of the base 100, that is, the above-mentioned machined surface, is provided with a positioning hole 150, and the positioning hole 150 is rectangular, that is: locating hole 150 has four location sides, has the circular arc groove of stepping down between the adjacent location side, the groove of stepping down communicates with locating hole 150, also is: the four corners department of the locating hole 150 of rectangle form all sets up the groove of stepping down, the groove of stepping down be circular-arcly and with locating hole 150 intercommunication for the realization is pegged graft the location to projection A3. It should be noted that: the positioning hole 150 is formed in the center of the base 100, and the depth and the size of the positioning hole are matched with those of the convex column A3 of the main body A1.
The location group is fixed on the machined surface of base 100, and the shaping core A structure of fixing a position as required sets for, the quantity of location group is three, corresponds the single lug A2 of shaping core A respectively, every the location group all is used for lug A2 of centre gripping. The three positioning groups are distributed according to the arrangement of the convex blocks A2 in the molding core A, and in the embodiment: the three positioning components are distributed on the processing surface of the base 100 in an annular array.
The positioning hole 150 is located in the first through hole group, that is: the three through holes 140 of the first through hole group are distributed in a triangular shape outside the positioning hole 150, and the second through hole group is distributed in a triangular shape outside the first through hole group.
Each positioning set comprises two oppositely-arranged clamping blocks which are respectively a first clamping block 111 and a second clamping block 112, the first clamping block 111 and the second clamping block 112 are oppositely distributed, a gap is formed between the first clamping block 111 and the second clamping block 112, and the gap is matched with the lug A2 and used for clamping two opposite side faces of the lug A2 to clamp and position the lug A2. It should be noted that: the first clamping block 111 is provided with a clamping surface, the clamping surface of the first clamping block 111 is the side surface of the first clamping block 111 facing the second clamping block 112, the second clamping block 112 is provided with a clamping surface, the clamping surface of the second clamping block 112 is the side surface of the second clamping block 112 facing the first clamping block 111, the clamping surfaces of the first clamping block 111 and the second clamping block 112 are oppositely arranged and respectively clamped on two side surfaces of the convex block A2 in a pressing manner, and the clamping surfaces of the first clamping block 111 and the second clamping are both planes.
The first clamping block 111 and the second clamping block 112 may have the same or different structures, and only two opposite clamping surfaces are provided, so as to clamp and position the bump A2. However, in the present technical solution, the three positioning sets are a first positioning set 110, a second positioning set 120, and a third positioning set 130, respectively, and the first positioning set 110 and the second positioning set 120 are triangular, that is to say: the first and second blocks 111 and 112 spaced apart in the first positioning group 110 form a triangular shape, and the first and second blocks 111 and 112 spaced apart in the second positioning group 120 form a triangular shape, providing a triangular mark having directional directivity, which uses a pointed end or a flat end to realize a marking function for a machining direction or a positioning direction, etc. The first clamping block 111 is triangular, and the second clamping block 112 is trapezoidal.
Specifically, the method comprises the following steps: the first positioning set 110 and the second positioning set 120 are triangular, the two triangular positioning sets are distributed oppositely, and the positioning set between the two triangular positioning sets is a rectangular positioning set; the rectangular positioning set is a third positioning set 130, that is, the first clamping block 111 and the second clamping block 112 in the third positioning set 130 form a rectangular protrusion A2. The tips of the first positioning group 110 and the second positioning group 120 are disposed toward the same direction.
The base 100 is a block with a certain thickness, so that the side surface of the base 100 has a certain height, and the side surface with the high height can be completely adsorbed on the positioning magnetic suction table in the electric spark mechanic equipment for adsorption and positioning.
The base 100 is provided with a plurality of positioning adsorption surfaces 101, each positioning adsorption surface 101 corresponds to one side surface of the forming core A for the electric toothbrush handle, and the positioning adsorption surfaces 101 and the corresponding structures of the side surfaces of the forming core A are processed after the positioning adsorption surfaces 101 and the positioning magnetic adsorption table are used for adsorption and positioning.
In this embodiment: the forming core A is provided with six side faces, namely six side faces needing electric spark machining, therefore, six positioning adsorption faces 101 are arranged on the base 100, the six positioning adsorption faces 101 correspond to the six side faces of the forming core A needing electric spark machining one by one, and the side face to be machined of the forming core A is a face to be machined.
It should be noted that: each positioning adsorption surface 101 is parallel to one machining-substitute surface, so that after the positioning adsorption surfaces 101 are magnetically attracted and positioned, machining electrodes in the electric spark machining equipment correspondingly machine the surfaces to be machined. Each of the positioning and suction surfaces 101 is a side surface of the base 100, preferably a flat surface, and is located between an upper end surface and a lower end surface of the base 100.
The electric spark machining jig comprises the following steps of:
the method comprises the following steps: the forming core a to be processed is placed on the processing surface of the base 100, and the three bumps A2 of the forming core a are clamped and positioned by three positioning groups, that is to say: the three lugs A2 are respectively inserted into the three positioning groups to realize the simultaneous positioning of the three lugs A2, and because the main body A1 of the molding core A is columnar, the three lugs A2 are arranged on the peripheral side of the main body A1, the three lugs A2 are respectively clamped and positioned to realize the positioning and installation of the molding core A;
step two: a screw penetrates through each through hole 140 and is in threaded connection with a hole site corresponding to the forming core A, so that the forming core A is fixedly installed;
step three: the lower end surface of the base 100 (namely, the adsorption surface of the base 100) is adsorbed, and the top surface (the side surface which is positioned to be parallel to the lower end surface) of the molding core A is processed;
step four: magnetism is inhaled location adsorption plane 101 one by one to the realization is processed one by one the face of treating of shaping core A, reaches the purpose of accomplishing shaping core A spark-erosion machining, and what need notice is: after the six positioning adsorption surfaces 101 are positioned, the processing sequence is set or/and identified by utilizing the triangular positioning group.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The special jig for electric spark machining is provided with a forming core, wherein the forming core is provided with a convex block and a convex column, and the special jig is characterized in that: it includes integrated connection's base and location group, wherein:
the base is provided with a screw in a penetrating way and is in threaded connection with the forming core through the screw;
the positioning group is positioned on the base and clamps the convex block of the molding core;
the base sets up a plurality of location adsorption planes, every the location adsorption plane is waited to process side parallel arrangement with one of shaping core.
2. The special jig for electric discharge machining according to claim 1, characterized in that: the plurality of positioning adsorption surfaces are arranged on the periphery of the base.
3. The special jig for electric discharge machining according to claim 1 or 2, characterized in that: the positioning adsorption surface is a plane.
4. The special jig for electric discharge machining according to claim 1, characterized in that: the upper end surface of the base is a positioning surface, and the positioning group is positioned on the positioning surface;
a countersunk hole is formed in the lower end face of the base towards the positioning face, and the screw penetrates through the countersunk hole.
5. The special jig for electric discharge machining according to claim 1, characterized in that: and the lug is provided with a screw hole to be matched and connected with the screw.
6. The special jig for electric discharge machining according to claim 1, characterized in that: the base is provided with a positioning hole, and the positioning hole is inserted and positioned with the convex column of the forming core.
7. The special jig for electric discharge machining according to claim 6, characterized in that: the positioning groups are in annular arrays, and the positioning holes are located in the centers of the positioning groups.
8. The special jig for electric discharge machining according to claim 1, characterized in that: the positioning group is triangular, and the tip of the positioning group points to the positioning adsorption surface.
9. The special jig for electric discharge machining according to claim 1 or 8, characterized in that: the positioning group consists of two clamping blocks which are respectively a first clamping block and a second clamping block;
the first clamping blocks and the second clamping blocks are distributed at intervals, and the protruding blocks are clamped between the first clamping blocks and the second clamping blocks.
10. The special jig for electric discharge machining according to claim 9, characterized in that: the first clamping block is in a triangular shape, and the second clamping block is in a trapezoidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223188937.5U CN218612097U (en) | 2022-11-30 | 2022-11-30 | Special jig for electrosparking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223188937.5U CN218612097U (en) | 2022-11-30 | 2022-11-30 | Special jig for electrosparking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218612097U true CN218612097U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223188937.5U Active CN218612097U (en) | 2022-11-30 | 2022-11-30 | Special jig for electrosparking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218612097U (en) |
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2022
- 2022-11-30 CN CN202223188937.5U patent/CN218612097U/en active Active
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