CN216966553U

CN216966553U - Device for processing precise and small parts by electric spark electrode

Info

Publication number: CN216966553U
Application number: CN202220589939.6U
Authority: CN
Inventors: 杨海军; 郑昌洪; 盘祖辉
Original assignee: Shanghai Hongyi Electronic Technology Co ltd
Current assignee: Shanghai Hongyi Electronic Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-15
Anticipated expiration: 2032-03-17

Abstract

The utility model relates to the technical field of electric spark electrode machining, in particular to a device for machining precise and tiny parts by an electric spark electrode, which comprises a base, wherein the inner wall of the bottom of the base is provided with a groove, the central position in the groove is provided with a plurality of annular blocks which are distributed in an annular manner, the annular blocks are fixedly connected with the base through springs, the inner walls of the front side and the rear side of the base are provided with electric cylinders which are distributed symmetrically and close to the top end, a left clamping block and a right clamping block are arranged between the inner walls of the front side and the rear side of the base and correspond to the center of the groove, and piston rods of the two electric cylinders are respectively and fixedly connected with the left clamping block and the right clamping block. Effectively improve the stability of the part to be processed in the processing process.

Description

Device for processing precise and small parts by electric spark electrode

Technical Field

The utility model relates to the technical field of electric spark electrode machining, in particular to a device for machining precise and small parts by an electric spark electrode.

Background

In order to improve the machining efficiency of difficult-to-cut materials, electric spark machining is generally utilized when precise and fine special parts are machined, in order to avoid the influence on the machining efficiency caused by the position deviation of the fine parts in the electric spark electrode machining process, the parts to be machined are generally required to be clamped and fixed, but in the prior art, most of the parts to be machined are only clamped and fixed once, so that the clamping force is weak, and the stability of the parts to be machined is influenced, and therefore, a device for machining the precise and fine parts by the electric spark electrode is provided.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the present invention provides an apparatus for electric discharge machining of fine and precise parts.

The technical scheme of the utility model is as follows:

a device for accurate tiny part of spark electrode machining, the on-line screen storage device comprises a base, the base is U-shaped and opening up, the recess has been seted up to the bottom inner wall of base, the inside central point of recess puts and is equipped with a plurality of annular blocks that are cyclic annular distribution, the annular block pass through the spring with base fixed connection, both sides inner wall just is close to the electric jar that the top was equipped with symmetric distribution around the base, around the base between the both sides inner wall and with the corresponding position in recess center is equipped with left clamp splice and right clamp splice, two the piston rod of electric jar respectively with left clamp splice with right clamp splice fixed connection.

As the preferred technical scheme, the base is internally provided with a material collecting groove along the bottom of the groove, and the distance between the inner walls of the material collecting groove is gradually reduced from top to bottom.

As a preferred technical scheme, a material collecting box is movably inserted at the bottom of the base and corresponds to the center of the material collecting groove.

As the preferred technical scheme, the outer wall of the bottom of the base is close to four corners of the material collecting box, and limit blocks are connected with the outer wall of the bottom of the base in a rotating mode.

As a preferable technical scheme, a containing groove capable of containing the contracted spring is formed in the base and at a position corresponding to the spring, and a guide rod with adjustable length is arranged between the containing groove and the corresponding annular block.

As a preferred technical scheme, the guide rod comprises a cylindrical rod and a connecting rod movably inserted in the cylindrical rod, and the guide rod is positioned in the center of the spring corresponding to the guide rod.

As an optimized technical scheme, a limiting block is arranged at one end, close to the cylindrical rod, of the connecting rod, a sliding groove in sliding connection with the limiting block is formed in the cylindrical rod, and the end portion of the sliding groove is not communicated with the outside.

Compared with the prior art, the utility model has the beneficial effects that:

1. the annular blocks and the springs are matched for use, so that the distance between the two corresponding annular blocks can be conveniently adjusted to adapt to different sizes of parts to be machined, the annular blocks can be pushed to move by the resilience of the springs to be tightly attached to the parts to be machined so as to realize primary clamping and fixing of the parts to be machined, and then the left clamping block and the right clamping block are respectively pushed by the two electric cylinders to synchronously and reversely move, so that the parts to be machined are further clamped and fixed, and the stability of the parts to be machined in the machining process is effectively improved;

2. according to the utility model, through the matching use of the collecting groove and the collecting box, the chips generated in the processing process can be conveniently collected, so that the cleaning burden of workers is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the whole structure of the base of the present invention after being cut;

FIG. 3 is a second schematic view of the overall structure of the present invention;

FIG. 4 is a schematic view of a cutaway portion of the base of the present invention;

FIG. 5 is a partial schematic structural view of the present invention;

FIG. 6 is a schematic view of a cut-away portion of a cylindrical rod according to the present invention.

The meaning of the individual reference symbols in the figures is:

a base 1; a groove 11; an electric cylinder 12; a material collecting groove 13; a material collecting box 14; a lower placing block 15;

a ring block 2; a spring 21;

a left clamp block 3;

a right clamping block 4;

a guide rod 5; a cylindrical rod 51; a connecting rod 52; a stop block 521.

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.

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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions:

a device for processing precise and tiny parts by an electric spark electrode comprises a base 1, wherein the base 1 is U-shaped and has an upward opening, a groove 11 is arranged on the inner wall of the bottom of the base 1, a plurality of annular blocks 2 which are distributed annularly are arranged at the central position inside the groove 11, the annular blocks 2 are fixedly connected with the base 1 through springs 21, a containing groove which can contain a contractible spring 21 is arranged inside the base 1 and at the position corresponding to the springs 21, a guide rod 5 with adjustable length is arranged between the containing groove and the corresponding annular block 2, electric cylinders 12 which are symmetrically distributed are arranged on the inner walls of the front side and the rear side of the base 1 and close to the top end, a rectangular groove which is matched with the size of the electric cylinder 12 is arranged on the inner wall of the base 1, one end of the electric cylinder 12, far away from the rectangular groove, is positioned on the same horizontal line with the inner wall of the groove 11, a bearing plate which is positioned below the electric cylinder 12 is arranged on the inner wall of the base 1 and used for supporting the electric cylinder 12, a left clamping block 3 and a right clamping block 4 are arranged between the inner walls of the front side and the rear side of the base 1 and correspond to the center of the groove 11, and piston rods of the two electric cylinders 12 are fixedly connected with the left clamping block 3 and the right clamping block 4 respectively.

What need complement is that, the intermediate position integrated into one piece of the left and right sides of right clamp splice 4 has annular inserted block, the intermediate position of the left and right sides of left clamp splice 3 has been seted up with annular inserted block grafting complex slot, specifically, when annular inserted block submerges the slot inside completely, the corresponding side of right clamp splice 4 and left clamp splice 3 closely laminates, at this moment, right clamp splice 4 and left clamp splice 3 constitute a grip block that is the annular shape jointly, and the inner wall of grip block and the inner wall of annular piece 2 are located same water flat line.

As the preferred of this embodiment, the groove 13 that gathers materials has been seted up in the inside of base 1 and along the bottom of recess 11, a piece for producing in the course of working is collected, the inner wall interval of groove 13 that gathers materials reduces from last to down gradually, make the piece can be along the inclined plane landing to the bottom of groove 13 that gathers materials, thereby the realization is to clastic gathering, base 1's bottom activity is pegged graft and is had material collecting box 14, material collecting box 14 is corresponding with material collecting groove 13 central point, material collecting groove 13's lower extreme communicates with each other with material collecting box 14's inside, and the inner wall interval of groove 13 bottom that gathers materials is less than material collecting box 14's inner wall interval, so that the piece gets into material collecting box 14 inside, thereby the realization is to clastic accomodating.

As the preferred of this embodiment, base 1's bottom outer wall and be close to the equal rotation in four corners of collecting box 14 and be connected with stopper 521, stopper 521's top contacts with collecting box 14's bottom to it is spacing to support collecting box 14, avoids collecting box 14 to fall, and in addition, stopper 521's top all inlays and is equipped with the damping rubber layer for the frictional resistance between reinforcing stopper 521 and the base 1 avoids under non-manual operation, and stopper 521 is from independently rotating.

Preferably, the guide rod 5 comprises a cylindrical rod 51 and a connecting rod 52 movably inserted in the cylindrical rod 51, the guide rod 5 is located at the center of the spring 21 corresponding to the guide rod, the guide rod 5 is convenient for limiting the moving track of the annular block 2 and effectively avoids the lateral deviation of the spring 21 in the deformation process, the connecting rod 52 is provided with a limiting block 521 at one end close to the cylindrical rod 51, the cylindrical rod 51 is internally provided with a sliding chute in sliding connection with the limiting block 521, and the end of the sliding groove is not communicated with the outside, so that the connecting rod 52 is prevented from being separated from the cylindrical rod 51 in the sliding process inside the cylindrical rod 51, and one end of the connecting rod 52 far away from the limiting block 521 is fixedly connected with the corresponding annular block 2, specifically, when the limiting block 521 moves to the end of the sliding groove, one side of the annular block 2 close to the connecting rod 52 contacts with the inner wall of the groove 11, and at the moment, the spring 21 is deformed under stress and is accommodated in the accommodating groove.

When the device for processing precise and fine parts by the electric spark electrode is used, the annular block 2 is pushed to one side of the inner wall of the groove 11, the connecting rod 52 and the limiting block 521 move in the sliding groove and generate pressure on the spring 21, the spring 21 deforms after being stressed, so that the distance between the two corresponding annular blocks 2 is increased, then the part to be processed is placed in the center position of the groove 11, then the pushing on the annular block 2 is released, the rebound force of the spring 21 pushes the corresponding annular block 2 to move, the connecting rod 52 and the limiting block 521 reversely move in the cylindrical rod 51, then the inner wall of the annular block 2 is tightly attached to the outer wall of the part to be processed, the end part of the part to be processed is clamped and fixed, and then the left clamping block 3 and the right clamping block 4 corresponding to the connecting rod are respectively pushed to move by the piston rods of the two electric cylinders 12, thereby make left clamp splice 3 and right clamp splice 4 correspond the interval of side reduce gradually and with treat the outer wall of processing part and closely laminate, and then realize treating the further centre gripping of processing part fixed, produced piece then passes through annular piece 2 and recess 11 inner walls between the space entering collecting groove 13 inside, then remove to the 14 inside gathering of collecting box along collecting groove 13's inclined plane and assemble, then will put down piece 15 and change from the bottom of collecting box 14 again, then will gather material box 14 and take out and handle its inside piece of accomodating from base 1 inside, reset collecting box 14 and put down piece 15 after finishing again.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A device for processing accurate tiny part of spark-erosion electrode, including base (1), its characterized in that: base (1) is U shape and opening up, the bottom inner wall of base (1) is seted up fluted (11), the inside central point of recess (11) puts and is equipped with a plurality of annular block (2) that are cyclic annular distribution, annular block (2) through spring (21) with base (1) fixed connection, both sides inner wall just is close to electric jar (12) that the top was equipped with symmetric distribution around base (1), around base (1) between the both sides inner wall and with the corresponding position in recess (11) center is equipped with left clamp splice (3) and right clamp splice (4), two the piston rod of electric jar (12) respectively with left clamp splice (3) with right clamp splice (4) fixed connection.

2. The apparatus for electric discharge machining of fine and precise parts according to claim 1, wherein: the inside of base (1) and along the groove (11) the bottom seted up the collecting tank (13), the inner wall interval of collecting tank (13) reduces from last to lower gradually.

3. The apparatus for electric discharge machining of fine and precise parts according to claim 2, wherein: the bottom of the base (1) is movably inserted with a material collecting box (14), and the material collecting box (14) corresponds to the center of the material collecting groove (13).

4. The apparatus for electric discharge machining of fine and precise parts according to claim 3, wherein: the outer wall of the bottom of the base (1) and four corners close to the material collecting box (14) are rotatably connected with limit blocks (521).

5. The apparatus for electric discharge machining of fine and precise parts according to claim 1, wherein: the inner part of the base (1) and the position corresponding to the spring (21) are provided with a containing groove capable of containing the contracted spring (21), and a guide rod (5) with adjustable length is arranged between the containing groove and the corresponding annular block (2).

6. The apparatus for electric discharge machining of fine and precise parts according to claim 5, wherein: the guide rod (5) comprises a cylindrical rod (51) and a connecting rod (52) movably inserted into the cylindrical rod (51), and the guide rod (5) is located at the center of the spring (21) corresponding to the guide rod.

7. The apparatus for electric discharge machining of fine and precise parts according to claim 6, wherein: one end of the connecting rod (52) close to the cylindrical rod (51) is provided with a limiting block (521), a sliding groove in sliding connection with the limiting block (521) is formed in the cylindrical rod (51), and the end part of the sliding groove is not communicated with the outside.