CN211101995U

CN211101995U - Electric spark drilling device for small-diameter deep hole threading

Info

Publication number: CN211101995U
Application number: CN201922378375.2U
Authority: CN
Inventors: 周雪清; 杨欢喜; 谢敏; 杨斐
Original assignee: WUHAN LIYANG TECHNOLOGY CO LTD
Current assignee: WUHAN LIYANG TECHNOLOGY CO LTD
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-07-28
Anticipated expiration: 2029-12-26

Abstract

The utility model provides a minor diameter is spark drilling equipment for deep hole threading relates to the equipment field for spark-erosion machining. This electric spark drilling equipment for minor diameter deep hole threading includes bottom sprag board and top sprag board, and the top sprag board bottom is equipped with the gag lever post, and the top sprag board top is equipped with the rotary rod, and the rotary rod top is equipped with the handle, and the top sprag board bottom is equipped with the nut seat, the equal fixedly connected with electric spark drill bit in nut seat both sides, and the bottom sprag board top is equipped with the slide, and the slide top is equipped with the slider, and the slider top is equipped with the fixed plate, and the fixed. According to the electric spark drilling device for the small-diameter deep hole threading, the fastening mechanism is installed on the installation frame, the rubber pad deforms to wrap the outer edge of the workpiece in a bending mode, the workpiece is prevented from being separated, meanwhile, the rubber pad and the anti-skidding colloidal particles cannot cause rigid extrusion to the workpiece, and the workpiece is protected from being damaged.

Description

Electric spark drilling device for small-diameter deep hole threading

Technical Field

The utility model relates to an equipment technical field for the spark-erosion machining specifically is a spark drilling equipment for minor diameter deep hole threading.

Background

When a mechanical part with a small diameter and a deep through hole is machined, the machining difficulty is very high, at present, a deep hole drill is needed for machining the hole, the diameter of the hole is required to be too small, but no long and thin drill machine is used for machining the hole, an unmatched drill bit is easy to break in the hole, electric spark drilling is generally needed, the part is firstly punched through by electric sparks, then the part penetrates through a linear cutting wire, and the electric spark machining of the hole with the minimum diameter of the linear cutting wire can be machined.

In the actual use process of the traditional electric spark drilling device, as the clamping tool is high in hardness and cannot be adjusted, when a fine part is machined, a drilled workpiece is easy to deform.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a spark drilling equipment is used in minor diameter deep hole threading to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an electric spark drilling device for threading a small-diameter deep hole comprises a bottom supporting plate and a top supporting plate, the top supporting plate is arranged at the top of the bottom supporting plate, the bottom of the top supporting plate is provided with a limiting rod, the top of the top supporting plate is provided with a rotating rod, the top of the rotating rod is provided with a handle, the handle is fixedly connected with the rotating rod, the rotating rod is parallel to the limiting rod, the bottom of the top supporting plate is provided with a nut seat which is movably sleeved with the limiting rod, the nut seat is in threaded connection with the rotating rod, the two sides of the nut seat are fixedly connected with electric spark drill bits, the top of the bottom supporting plate is provided with a slide way, the top of the slide way is provided with a slide block, the top of the slide block is provided with a fixed plate, the fixed plate is fixedly connected with the sliding block, an installation frame is arranged at the top of the fixed plate, and a fastening mechanism is arranged inside the installation frame;

fastening device includes a fixed cylinder, a fixed cylinder and mounting bracket inner wall fixed connection, a fixed cylinder one side is equipped with the straight-bar, the straight-bar cup joints with a fixed cylinder activity, straight-bar one side is equipped with the dog, dog and straight-bar fixed connection, the straight-bar outside is equipped with the spring, the spring cup joints with the straight-bar activity, spring one end contacts with a fixed cylinder, the spring other end contacts with the dog, dog one side is equipped with the rubber pad, rubber pad and dog fixed connection, rubber pad one side is equipped with anti-skidding micelle.

Preferably, the limiting rod is fixedly connected with the bottom of the top supporting plate, the limiting rod is fixedly connected with the top of the bottom supporting plate, the number of the limiting rods is two, and the limiting rods are cylindrical.

Preferably, the bottom of the rotating rod penetrates through the top support plate and extends to the top of the bottom support plate, and the rotating rod is movably connected with the top support plate through a bearing.

Preferably, the number of the slide ways is two, and the two slide ways are symmetrically distributed relative to the vertical center line of the bottom support plate.

Preferably, the vertical section of the slide is T-shaped, the slide block is cross-shaped, and the slide way is in sliding clamping connection with the slide block.

Preferably, the number of the mounting frames is two, one of the mounting frames is connected with the fixing plate in a sliding mode, the top of the other mounting frame is provided with a fastening bolt, and the two mounting frames are detachably connected through the fastening bolt.

Preferably, the quantity of anti-skidding micelle sets up to a plurality ofly, anti-skidding micelle and rubber pad fixed connection.

The utility model provides a spark drilling equipment is used in minor diameter deep hole threading, its beneficial effect who possesses as follows:

1. this spark drilling device for minor diameter deep hole threading is through installing fastening device on the mount structure, when putting into the work piece between two mount framves, and when using fastening bolt to fix the work piece, the straight-bar can be partly inside the retraction fixed cylinder, the spring takes place to deform and crowds the work piece tightly, the rubber pad takes place to deform the cladding of buckling to the outer edge formation of work piece simultaneously, avoid the work piece to break away from, simultaneously anti-skidding micelle can improve and the work piece between the frictional force, promote the work piece by fixed stability, rubber pad and anti-skidding micelle can not cause hard extrusion to the work piece simultaneously, protect the work piece from damaging.

2. The electric spark drilling device for threading the small-diameter deep hole can adapt to the sizes and forms of most of workpieces for the left and right and front and back adjustment of the fixed workpiece on the mounting frame and the adjustment of the electric spark drill bit in the vertical direction, the application range of the electric spark drilling device is enlarged, and the practicability is improved.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a side view of the mounting bracket of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention.

In the figure: the anti-skid device comprises a bottom supporting plate 1, a top supporting plate 2, a limiting rod 3, a rotating rod 4, a handle 5, a nut seat 6, an electric spark drill 7, a slideway 8, a sliding block 9, a fixing plate 10, an installation frame 11, a fastening bolt 12, a fixing barrel 13, a straight rod 14, a spring 15, a stop block 16, a rubber pad 17 and an anti-skid colloidal particle 18.

Detailed Description

The embodiment of the utility model provides an electric spark drilling device for threading small-diameter deep holes, as shown in figure 1-4, comprising a bottom support plate 1 and a top support plate 2, wherein the top support plate 2 is arranged at the top of the bottom support plate 1, the bottom of the top support plate 2 is provided with a limiting rod 3, the top of the top support plate 2 is provided with a rotary rod 4, the top of the rotary rod 4 is provided with a handle 5, the handle 5 is fixedly connected with the rotary rod 4, the rotary rod 4 is parallel to the limiting rod 3, the bottom of the top support plate 2 is provided with a nut seat 6, the nut seat 6 is movably sleeved with the limiting rod 3, the nut seat 6 is in threaded connection with the rotary rod 4, both sides of the nut seat 6 are fixedly connected with an electric spark drill bit 7, the top of the bottom support plate 1 is provided with a slide way 8, the top of the slide way, a fastening mechanism is arranged inside the mounting rack 11;

the fastening mechanism comprises a fixed cylinder 13, the fixed cylinder 13 is fixedly connected with the inner wall of the mounting frame 11, a straight rod 14 is arranged on one side of the fixed cylinder 13, the straight rod 14 is movably sleeved with the fixed cylinder 13, a stop block 16 is arranged on one side of the straight rod 14, the stop block 16 is fixedly connected with the straight rod 14, a spring 15 is arranged outside the straight rod 14, the spring 15 is movably sleeved with the straight rod 14, one end of the spring 15 is contacted with the fixed cylinder 13, the other end of the spring 15 is contacted with the stop block 16, a rubber pad 17 is arranged on one side of the stop block 16, the rubber pad 17 is fixedly;

the limiting rod 3 is fixedly connected with the bottom of the top supporting plate 2, the limiting rod 3 is fixedly connected with the top of the bottom supporting plate 1, the number of the limiting rods 3 is two, the limiting rods 3 are cylindrical, lubricating oil and butter can be coated between the limiting rods 3 and the nut seats 6, dry friction is avoided, abnormal sound is reduced, and the service life is prolonged;

the bottom of the rotating rod 4 penetrates through the top support plate 2 and extends to the top of the bottom support plate 1, and the rotating rod 4 is movably connected with the top support plate 2 through a bearing;

the number of the slide ways 8 is two, and the two slide ways 8 are symmetrically distributed relative to the vertical central line of the bottom supporting plate 1;

the vertical section of the slide way 8 is T-shaped, the slide block 9 is cross-shaped, and the slide way 8 and the slide block 9 are clamped in a sliding manner, so that the stability during relative sliding can be improved;

the number of the mounting frames 11 is two, one mounting frame 11 is connected with the fixed plate 10 in a sliding mode, the top of the other mounting frame 11 is provided with a fastening bolt 12, and the two mounting frames 11 are detachably connected through the fastening bolt 12;

the quantity of the anti-skid rubber particles 18 is set to be a plurality of, and the anti-skid rubber particles 18 are fixedly connected with the rubber pad 17.

The implementation mode is specifically as follows: in the process of using the utility model, the bottom support plate 1 and the top support plate 2 are connected stably by using the limiting rods 3, an operator can rotate the handle 5, the handle 5 can drive the rotating rod 4 to rotate, at the moment, the nut seat 6 in threaded connection with the rotating rod 4 can generate vertical displacement relative to the limiting rods 3 under the limitation of the two limiting rods 3, furthermore, lubricating oil and butter can be coated between the limiting rods 3 and the nut seat 6, dry friction is avoided, abnormal sound is reduced, the service life is prolonged, the electric spark drill bit 7 can change the height under the driving of the nut seat 6, the workpieces with different sizes and heights can be conveniently drilled, furthermore, the length of a power line on the electric spark drill bit 7 is enough to adapt to the length required by the movement of the electric spark drill bit 7, and meanwhile, the slide 8 and the slide block 9 are installed on the bottom support plate 1, the slide way 8 is fixed with the bottom support plate 1, the slide block 9 is fixed with the fixed plate 10, the slide way 8 and the slide block 9 slide, which can facilitate the adjustment of the workpiece in the front and back directions, furthermore, the groove in the slide way 8 is designed into a T shape, the slide block 9 is designed into a cross shape, which can improve the stability when sliding relatively, at the same time, the mounting rack 11 can move horizontally and in the left and right directions relative to the fixed plate 10, the left and right and front and back adjustment of the workpiece fixed on the mounting rack 11 and the adjustment of the electric spark drill 7 in the vertical direction can adapt to the size and the form of most of the workpiece, which increases the application range of the electric spark drilling device, improves the practicability, and at the same time, a fastening mechanism is installed on the mounting rack 11, when the workpiece is placed between the two mounting racks 11, and the workpiece is fixed by, spring 15 takes place to deform and crowds tightly the work piece, and rubber pad 17 takes place to deform the cladding that forms the bending to the outer edge of work piece simultaneously, avoids the work piece to break away from, and anti-skidding micelle 18 can improve simultaneously and the work piece between frictional force, promotes the work piece by fixed stability, and rubber pad 17 and anti-skidding micelle 18 can not cause hard extrusion to the work piece simultaneously, and the protection work piece avoids damaging.

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. The utility model provides a minor diameter is spark drilling equipment for deep hole threading, includes bottom sprag board (1) and top sprag board (2), its characterized in that: the top support plate (2) is arranged at the top of the bottom support plate (1), the limiting rod (3) is arranged at the bottom of the top support plate (2), the rotary rod (4) is arranged at the top of the top support plate (2), the handle (5) is arranged at the top of the rotary rod (4), the handle (5) is fixedly connected with the rotary rod (4), the rotary rod (4) is parallel to the limiting rod (3), the nut seat (6) is arranged at the bottom of the top support plate (2), the nut seat (6) is movably sleeved with the limiting rod (3), the nut seat (6) is in threaded connection with the rotary rod (4), electric spark drill bits (7) are fixedly connected to two sides of the nut seat (6), a slide way (8) is arranged at the top of the bottom support plate (1), a slide block (9) is arranged at the top of the slide way (8), a fixing plate (10) is arranged, the fixed plate (10) is fixedly connected with the sliding block (9), an installation frame (11) is arranged at the top of the fixed plate (10), and a fastening mechanism is arranged inside the installation frame (11);

fastening device includes solid fixed cylinder (13), gu fixed cylinder (13) and mounting bracket (11) inner wall fixed connection, gu fixed cylinder (13) one side is equipped with straight-bar (14), straight-bar (14) cup joint with solid fixed cylinder (13) activity, straight-bar (14) one side is equipped with dog (16), dog (16) and straight-bar (14) fixed connection, straight-bar (14) outside is equipped with spring (15), spring (15) cup joint with straight-bar (14) activity, spring (15) one end contacts with solid fixed cylinder (13), the spring (15) other end contacts with dog (16), dog (16) one side is equipped with rubber pad (17), rubber pad (17) and dog (16) fixed connection, rubber pad (17) one side is equipped with anti-skidding micelle (18).

2. The electric spark drilling device for threading a small-diameter deep hole according to claim 1, wherein: the limiting rod (3) is fixedly connected with the bottom of the top supporting plate (2), the limiting rod (3) is fixedly connected with the top of the bottom supporting plate (1), the number of the limiting rods (3) is two, and the limiting rods (3) are cylindrical.

3. The electric spark drilling device for threading a small-diameter deep hole according to claim 1, wherein: the bottom of the rotating rod (4) penetrates through the top supporting plate (2) and extends to the top of the bottom supporting plate (1), and the rotating rod (4) is movably connected with the top supporting plate (2) through a bearing.

4. The electric spark drilling device for threading a small-diameter deep hole according to claim 1, wherein: the number of the slide ways (8) is two, and the two slide ways (8) are symmetrically distributed relative to the vertical central line of the bottom supporting plate (1).

5. The electric spark drilling device for threading a small-diameter deep hole according to claim 1, wherein: the vertical section of slide (8) is the T style of calligraphy, the shape of slider (9) is cross, slip joint between slide (8) and slider (9).

6. The electric spark drilling device for threading a small-diameter deep hole according to claim 1, wherein: the number of the mounting frames (11) is two, one of the mounting frames (11) is connected with the fixing plate (10) in a sliding mode, fastening bolts (12) are arranged at the tops of the other mounting frames (11), and the two mounting frames (11) are detachably connected through the fastening bolts (12).

7. The electric spark drilling device for threading a small-diameter deep hole according to claim 1, wherein: the quantity of antiskid micelle (18) sets up to a plurality ofly, antiskid micelle (18) and rubber pad (17) fixed connection.