CN211588817U

CN211588817U - Ultra-fine small hole discharging mechanism

Info

Publication number: CN211588817U
Application number: CN201922142432.7U
Authority: CN
Inventors: 何尔才
Original assignee: Taizhou Rongsu Electronic Technology Co ltd
Current assignee: Taizhou Rongsu Electronic Technology Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-09-29
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses an extremely fine aperture discharge mechanism, which comprises a motor, the lower extreme fixedly connected with lag of motor, the output fixedly connected with main shaft of motor, the lower extreme fixedly connected with stop collar of main shaft, the inner chamber of stop collar is provided with the sleeve, the lower extreme of stop collar is provided with positioner, the inner chamber joint of main shaft has the electrode tube, the lower extreme of electrode tube runs through the positioner bottom and extends its outside, the surface upper portion fixedly connected with gear of main shaft. A superfine aperture discharge mechanism, through setting up positioner, need not repeated calibration, the person of facilitating the use carries out work, the electrode of use is hollow copper pipe, the working solution medium is sprayed through the pore in the middle of the electrode tube by certain pressure, plays cooling, chip removal, washing and lubricated effect to corroding the position, concentric precision is very high, the working solution can not leak to can improve the quality of work piece.

Description

Ultra-fine small hole discharging mechanism

Technical Field

The utility model relates to a discharge machine field, in particular to superfine aperture discharge mechanism.

Background

The pore discharge machine is an electric machining basic device widely applied in the mold manufacturing industry, can penetrate 0.1-4.0 holes in extremely high-hardness metal, changes the process mode of milling, drilling and reheating treatment, realizes the machining which cannot be completed by a machining center, greatly shortens the development and manufacturing period of a mold, reduces the machining cost, has short production period, low cost and large development space requirement, brings up the manufacturing and selling of pore discharge equipment investment in a batch of small-sized private enterprises, seizes the market share in a dispute, ignores the technical innovation and exploration due to the lack of market supervision and management and the shortage of technical funds of the private enterprises, reduces the innovation and development of key parts, has the positioning precision of a guider in the prior art, cannot meet the high-precision and development requirements of products, or cannot promote the research and development of small, fine and sharp fine molds, has poor operation and machining stability and low production efficiency, the internal consumption of the whole production operation is obvious, and the frequent corrosion of consumable products is opposite to the production profit of awakening enterprises, so that the ultra-fine small-hole discharge mechanism is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a superfine aperture discharge mechanism can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a superfine aperture discharge mechanism, includes the motor, the lower extreme fixedly connected with lag of motor, the output fixedly connected with main shaft of motor, the lower extreme fixedly connected with stop collar of main shaft, the inner chamber of stop collar is provided with the sleeve, the lower extreme of stop collar is provided with positioner, the inner chamber joint of main shaft has the electrode tube, the lower extreme of electrode tube runs through the positioner bottom and extends its outside, the outer surface upper portion fixedly connected with gear of main shaft.

Preferably, the positioning device comprises a base, the base is clamped at the lower end of the sleeve, the left part of the upper end of the base is connected with an insulating plate through a bolt and a thread, the right end of the base is connected with an indexing pin in an inserting mode, the lower end of the base is fixedly connected with a die holder, the lower end of the die holder is clamped with an indexing shaft, and the right part of the die holder is connected with a fixer in an inserting mode.

Preferably, a screw is connected to the right part of the outer surface of the sleeve in a threaded manner, a first mask A is clamped to the upper part of the inner cavity of the sleeve, a second mask B is fixedly connected to the lower end of the first mask A, a third mask C is fixedly connected to the lower end of the second mask B, and a nut is fixedly connected to the lower end of the sleeve.

Preferably, the upper part of the outer surface of the main shaft is fixedly connected with two first conducting rings and two second conducting rings respectively, the two first conducting rings and the two second conducting rings are distributed in a crossed manner, and the two first conducting rings and the two second conducting rings are located inside the protective sleeve.

Preferably, the third mask C outer diameter is 0.1mm smaller than the first and second masks A and B outer diameter, and the first, second and third masks A, B and C aperture design is 0.01mm larger than the electrode tube diameter.

Preferably, the sleeve is tightly fixed with the taper guide of the main shaft by external threads.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) through setting up positioner, constitute through insulation board, base, die holder, graduated shaft, index pin, electrode tube fixer, the disposable installation of type fixer commonly used only needs to rotate the die holder gently and inserts the index pin and can realize high-accuracy location during the use, need not repeated calibration, and convenient to use person carries out work.

(2) The fastening principle is that the friction force between the electrode tube and the eye mould is increased in a limited space, the fastening purpose is achieved, the clamping and the deformation of the water hole of the electrode tube are avoided, the sleeve and the spindle taper guide fit adopt the external thread to be tightly fixed, the concentric precision is very high, the working solution cannot leak, and therefore the quality of a workpiece can be improved.

(3) The method is characterized in that pulse spark discharge is carried out on a workpiece to generate 8000-12000 ℃ high-temperature corrosion metal so as to achieve the purpose of punching, a used electrode is a hollow copper pipe, a working liquid medium is sprayed out from a small hole in the middle of the electrode pipe under certain pressure, and the effects of cooling, chip removal, cleaning and lubricating an etched part are achieved.

Drawings

Fig. 1 is a schematic view of an overall structure of a discharge mechanism with very small holes according to the present invention;

FIG. 2 is a schematic view of the internal structure of a sleeve of a discharge mechanism with very small holes according to the present invention;

FIG. 3 is a schematic structural view of a positioning device of a discharge mechanism with very small holes according to the present invention;

FIG. 4 is a schematic view of the external connection structure of the sleeve of the discharge mechanism with very small holes of the present invention;

FIG. 5 is a schematic view of the external connection structure of the spindle of the very small hole discharging mechanism of the present invention

Fig. 6 is a view of the very small hole discharging mechanism of the present invention.

In the figure: 1. a motor; 2. a protective sleeve; 3. a main shaft; 31. a conducting ring I; 32. a second conducting ring; 33. a first mask A; 34. a second mask B; 35. a third mask C; 36. a nut; 4. a limiting sleeve; 5. a positioning device; 51. a base; 52. an insulating plate; 53. an index pin; 54. a die holder; 55. an index shaft; 56. a holder; 6. an electrode tube; 7. a sleeve; 71. a screw; 8. a gear.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1-6, a discharge mechanism with very small holes comprises a motor 1, a protective sleeve 2 is fixedly connected to the lower end of the motor 1, a main shaft 3 is fixedly connected to the output end of the motor 1, a stop collar 4 is fixedly connected to the lower end of the main shaft 3, a sleeve 7 is arranged in an inner cavity of the stop collar 4, a positioning device 5 is arranged at the lower end of the stop collar 4, an electrode tube 6 is clamped in the inner cavity of the main shaft 3, the lower end of the electrode tube 6 penetrates through the bottom end of the positioning device 5 and extends out of the positioning device, and a gear 8 is fixedly connected to the upper portion.

The positioning device 5 comprises a base 51, the base 51 is clamped at the lower end of the sleeve 7, the left part of the upper end of the base 51 is connected with an insulating plate 52 through a bolt thread, the right end of the base 51 is connected with an indexing pin 53 in an inserting manner, the lower end of the base 51 is fixedly connected with a die holder 54, the lower end of the die holder 54 is clamped with an indexing shaft 55, the right part of the die holder 54 is connected with a fixer 56 in an inserting manner, instability in processing caused by deflection in rotation can be avoided, and stability in processing of workpieces is improved; the right part of the outer surface of the sleeve 7 is in threaded connection with a screw 71, the upper part of the inner cavity of the sleeve 7 is in clamping connection with a first mask A33, the lower end of the first mask A33 is fixedly connected with a second mask B34, the lower end of the second mask B34 is fixedly connected with a third mask C35, and the lower end of the sleeve 7 is fixedly connected with a nut 36, so that a workpiece can be accurately positioned, calibration work is not needed, and the production efficiency is improved; the upper part of the outer surface of the main shaft 3 is fixedly connected with two first conducting rings 31 and two second conducting rings 32 respectively, the two first conducting rings 31 and the two second conducting rings 32 are distributed in a crossed manner, and the two first conducting rings 31 and the two second conducting rings 32 are both positioned in the protective sleeve 2, so that the effects of cooling, chip removal, cleaning and lubricating an etched part can be achieved; the outer diameter of the third mask C35 is 0.1mm smaller than the outer diameters of the first mask A33 and the second mask B34, and the holes of the first mask A33, the second mask B34 and the third mask C35 are designed to be 0.01mm larger than the diameter of the electrode tube 6; the sleeve 7 is matched with the taper guide of the main shaft 3 and is tightly fixed by external threads.

It should be noted that the utility model relates to a very fine hole discharge mechanism, select suitable electrode tube 6 and sleeve 7, pack electrode tube 6 into eye model A, eye model B and eye model C, the upper end exposes 1-3mm, screw up M1.6 screw 71, clean sleeve 7 leading-in part, aim at main shaft 3 direction taper hole, screw nut 36, start electrode tube 6 and rotate, adjust electrode tube 6 suitable rotational speed, adjust the Z axle and descend, make electrode tube 6 pass fixer 56, start the electrolyte, start processing, after the processing is accomplished, adjust the ascending key of Z axle and make electrode tube 6 leave the upper surface of work piece to safe height, take off the work piece, measure and confirm the precision, the director structure realization operation that belongs to is simple, avoid the discharge gap between electrode and the work piece inconsistent, realize that the processing stability is fine processing and protect driving, positioning accuracy and operating performance are superior, reduce fine processing calibration time, the guide device of the pore discharge machine is provided with a 3R clamp to be mounted on a machine head of a slow wire walking and forming discharge device, and can realize parallel-entering type and combined type machining by utilizing parameters of a linear cutting and forming discharge power supply and a control module, so that the production automation is realized.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A very small hole discharge mechanism comprises a motor (1), and is characterized in that: the utility model discloses a motor, including motor (1), lower extreme fixedly connected with lag (2), the output fixedly connected with main shaft (3) of motor (1), the lower extreme fixedly connected with stop collar (4) of main shaft (3), the inner chamber of stop collar (4) is provided with sleeve (7), the lower extreme of stop collar (4) is provided with positioner (5), the inner chamber joint of main shaft (3) has electrode tube (6), the lower extreme of electrode tube (6) runs through positioner (5) bottom and extends its outside, the surface upper portion fixedly connected with gear (8) of main shaft (3).

2. A very fine hole discharge mechanism as set forth in claim 1, wherein: positioner (5) include base (51), base (51) joint is at sleeve (7) lower extreme, there are insulation board (52) upper end left part of base (51) through bolt threaded connection, the right-hand member of base (51) alternates and is connected with graduation round pin (53), the lower extreme fixedly connected with die holder (54) of base (51), the lower extreme joint of die holder (54) has graduation axle (55), the right part of die holder (54) alternates and is connected with fixer (56).

3. A very fine hole discharge mechanism as set forth in claim 1, wherein: the right part of the outer surface of the sleeve (7) is in threaded connection with a screw (71), a first mask A (33) is clamped on the upper part of an inner cavity of the sleeve (7), a second mask B (34) is fixedly connected to the lower end of the first mask A (33), a third mask C (35) is fixedly connected to the lower end of the second mask B (34), and a nut (36) is fixedly connected to the lower end of the sleeve (7).

4. A very fine hole discharge mechanism as set forth in claim 1, wherein: the upper portion of the outer surface of the main shaft (3) is fixedly connected with two first conducting rings (31) and two second conducting rings (32) respectively, the first conducting rings (31) and the second conducting rings (32) are distributed in a crossed mode, and the first conducting rings (31) and the second conducting rings (32) are located inside the protecting sleeve (2).

5. A very fine hole discharge mechanism as set forth in claim 3, wherein: the outer diameter of the third mask C (35) is 0.1mm smaller than the outer diameters of the first mask A (33) and the second mask B (34), and the holes of the first mask A (33), the second mask B (34) and the third mask C (35) are designed to be 0.01mm larger than the diameter of the electrode tube (6).

6. A very fine hole discharge mechanism as set forth in claim 1, wherein: the sleeve (7) is matched with the taper guide of the main shaft (3) and is tightly fixed by external threads.