CN218253029U

CN218253029U - Special fixture for shaft sleeve drilling

Info

Publication number: CN218253029U
Application number: CN202123431874.7U
Authority: CN
Inventors: 张坤; 马士鹏; 张铎宝
Original assignee: Shandong Kovano Pump Co ltd
Current assignee: Shandong Kovano Pump Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-01-10
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a shaft sleeve drilling special fixture, including the triangle chuck body, triangle chuck body upper end is equipped with the clamping jaw, this internal through-hole that is equipped with of triangle chuck, be equipped with the abutment sleeve of location axle sleeve in the through-hole, triangle chuck body bottom is equipped with the base, and the triangle chuck body supports and rotates on the base, be equipped with positioning mechanism between triangle chuck body and the base. During drilling, go deep into the location sleeve with the axle sleeve lower extreme to step up through the triangle chuck body, later through the drilling machine drilling on the axle sleeve, rotate the triangle chuck body, and the turned angle through positioning mechanism location triangle chuck body makes things convenient for the drilling machine to drill, drilling machine simple structure, with low costs, and the drilling time spent is few, machining efficiency is high.

Description

Special fixture for shaft sleeve drilling

Technical Field

The utility model belongs to the technical field of the axle sleeve processing technique and specifically relates to an axle sleeve boring grab.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. In the shaft sleeve machining process, holes need to be drilled in the shaft sleeve connecting disc, when the existing shaft sleeve is drilled, the shaft sleeve is mostly fixed through a triangular chuck, and then the drill bit is continuously moved to drill holes. However, the mode wastes time and labor, the drilling efficiency is low, the equipment structure is complex, and the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above problem, provide a axle sleeve drilling special fixture, but same anchor clamps location unidimensional axle sleeve, the range of application is extensive, during drilling, only need rotate anchor clamps can, simple structure, it is with low costs.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a shaft sleeve drilling special fixture, includes triangle chuck body, triangle chuck body upper end is equipped with the clamping jaw, this internal through-hole that is equipped with of triangle chuck, be equipped with the abutment sleeve of location axle sleeve in the through-hole, triangle chuck body bottom is equipped with the base, and triangle chuck body supports and rotates on the base, be equipped with positioning mechanism between triangle chuck body and the base, be equipped with the wind channel in the clamping jaw, the position that clamping jaw upper end and wind channel correspond is equipped with filter screen, the external air supply in wind channel.

Furthermore, a first baffle is arranged at the upper end of the positioning sleeve, the through hole is a stepped hole, and the first baffle is supported at the step of the through hole.

Further, the triangular chuck body is supported on the base through a rotary bearing.

Furthermore, a first disc is arranged at the bottom of the triangular chuck body, and the positioning mechanism is installed on the first disc.

Further, positioning mechanism includes sleeve, set screw and compression spring, the sleeve is fixed on first disc, set screw passes the sleeve, is located on the set screw and is equipped with the second baffle in the sleeve, compression spring overlaps on set screw, compression spring upper end and sleeve inner wall contact, compression spring lower extreme and second baffle contact, be equipped with on the base along the even a plurality of locating hole that is equipped with of circumferencial direction, set screw lower extreme and locating hole cooperation.

Furthermore, a scrap recovery groove is arranged in the middle of the base.

Further, a second disc is arranged at the bottom of the base.

The utility model has the advantages that:

1. the utility model discloses this internal through-hole that is equipped with at the triangle chuck, be equipped with the position sleeve of location axle sleeve in the through-hole, triangle chuck body bottom is equipped with the base, and triangle chuck body supports and rotates on the base, be equipped with positioning mechanism between triangle chuck body and the base. During drilling, go deep into the location sleeve with the axle sleeve lower extreme to step up through the triangle chuck body, later through the drilling machine drilling on the axle sleeve, rotate the triangle chuck body, and the turned angle through positioning mechanism location triangle chuck body makes things convenient for the drilling machine to drill, drilling machine simple structure, with low costs, and the drilling time spent is few, machining efficiency is high.

2. The utility model discloses be equipped with the wind channel in the clamping jaw, the position that clamping jaw upper end and wind channel correspond is equipped with the filter screen, and the wind channel is external to connect the air supply, and the position that clamping jaw surface and wind channel correspond is equipped with the connector, and the connector is connected with the air supply through the trachea, aerifys in the wind channel through the air supply, blows off the burr that falls on with the axle sleeve contact surface when drilling, guarantees that the contact surface is clean and tidy, when pressing from both sides the axle sleeve, can not crush the contact surface; simultaneously, the axle sleeve is clean and tidy with the clamping jaw contact surface, and the axle sleeve position is accurate, and the axis of drilling is vertical, and axle sleeve processingquality is good.

3. The utility model discloses be equipped with first baffle in the positioning sleeve upper end, the through-hole is the shoulder hole, the baffle supports in the ladder department of through-hole, the inside cooperation with the outer face of cylinder of axle sleeve of positioning sleeve, and the axle sleeve of different models is fixed a position to the accessible change positioning sleeve.

4. The utility model discloses be equipped with the sweeps accumulator in the base intermediate position, the sweeps after the drilling falls into the sweeps accumulator through the through-hole in the position sleeve, has realized the automatic recovery of sweeps.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a front view of the present invention;

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

fig. 4 is a cross-sectional view of the clamping jaw of the present invention;

fig. 5 is a top view of the present invention;

FIG. 6 isbase:Sub>A cross-sectional view taken along line A-A of the present invention;

fig. 7 is a partially enlarged view of fig. 6 at B.

In the figure: the triangular chuck comprises a triangular chuck body 1, clamping jaws 2, through holes 3, a positioning sleeve 4, a base 5, an air duct 6, a filter screen 7, a first baffle plate 8, a first disc 9, a sleeve 10, a positioning screw 11, a compression spring 12, a second baffle plate 13, a positioning hole 14, a rotary bearing 15, a scrap recovery groove 16 and a second disc 17.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

For convenience of description, a coordinate system is now defined as shown in fig. 1.

As shown in fig. 1, 4 to 6, a axle sleeve drilling special fixture, including

triangle chuck body

1, 1 upper end of triangle chuck body is equipped with clamping jaw 2, be equipped with through-hole 3 in the triangle chuck body 1, be equipped with the position sleeve 4 of location axle sleeve in the through-

hole

3, 1 bottom of triangle chuck body is equipped with base 5, and triangle chuck body 1 supports and rotates on base 5 and on base 5, be equipped with positioning mechanism between triangle chuck body 1 and the base 5, be equipped with wind channel 6 in the clamping jaw 2, the position that 2 upper ends of clamping jaw and wind channel 6 correspond is equipped with filter screen 7, the external air supply in wind channel 6, and the position that 2 surfaces of clamping jaw and wind channel 6 correspond is equipped with the connector, and the connector passes through the trachea and is connected with the air supply. During drilling, go deep into the axle sleeve lower extreme in locating sleeve 4 to step up through triangle chuck body 1, later through the drilling machine on the axle sleeve drilling, rotate triangle chuck body 1, and through the turned angle of locating mechanism location triangle chuck body 1, make things convenient for the drilling machine to drill, drilling machine simple structure, it is with low costs, and the drilling time spent is few, machining efficiency is high. Simultaneously, aerify in wind channel 6 through the air supply, will fall during drilling and blow off with the burr of axle sleeve contact surface, guarantee that the contact surface is clean and tidy, when pressing from both sides tight axle sleeve, can not crush the contact surface.

As shown in fig. 6, the upper end of the positioning sleeve 4 is provided with a first baffle plate 8, the through hole 3 is a stepped hole, the first baffle plate 8 is supported at the step of the through hole 3, and the first baffle plate 8 is fixed at the step of the through hole 3 through a bolt. 4 sleeve inside and the cooperation of the outer face of cylinder of axle sleeve of position sleeve, the accessible is changed position sleeve 4 and is fixed a position the axle sleeve of different models.

As shown in fig. 2, the triangular chuck body 1 is supported on the base 5 by a slewing bearing 15.

As shown in fig. 1, a first disk 9 is arranged at the bottom of the triangular chuck body 1, and the positioning mechanism is installed on the first disk 9.

As shown in fig. 6 and 7, the positioning mechanism includes a sleeve 10, a positioning screw 11 and a compression spring 12, the sleeve 10 is fixed on the first disk 9, the positioning screw 11 passes through the sleeve 10, a second baffle 13 is arranged in the sleeve 10 on the positioning screw 11, the compression spring 12 is sleeved on the positioning screw 11, the upper end of the compression spring 12 contacts with the inner wall of the sleeve 10, the lower end of the compression spring 12 contacts with the second baffle 13, a plurality of positioning holes 14 are uniformly arranged on the base 5 along the circumferential direction, and the lower end of the positioning screw 11 is matched with the positioning holes 14. When the triangular chuck body 1 needs to be rotated, the elastic force of the compression spring 12 is overcome, the positioning screw 11 is lifted upwards, the triangular chuck body 1 is rotated, after the triangular chuck body 1 is rotated in place, the positioning screw 11 is loosened, under the action of the compression spring 12, the positioning screw 11 penetrates into the positioning hole 14, the compression spring 12 can continuously press the positioning screw 11 downwards, the positioning screw 11 is guaranteed to penetrate into the positioning hole 14 all the time, and positioning is reliable.

As shown in fig. 3 and 6, a scrap recovery groove 16 is arranged in the middle of the base 5, and drilled scraps fall into the scrap recovery groove 16 through the through holes in the positioning sleeve 4, so that automatic recovery of the scraps is realized.

As shown in fig. 1, a second disk 17 is provided at the bottom of the base 5, and the clamp is fixed on the drilling machine through the second disk 17.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", 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 referred to 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.

In the description of the present invention, it should 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; they may be mechanically or electrically connected, directly or indirectly through intervening media, or 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.

Claims

1. The utility model provides a shaft sleeve drilling special fixture, includes triangle chuck body (1), triangle chuck body (1) upper end is equipped with clamping jaw (2), its characterized in that, be equipped with through-hole (3) in triangle chuck body (1), be equipped with location sleeve (4) of location axle sleeve in through-hole (3), triangle chuck body (1) bottom is equipped with base (5), and triangle chuck body (1) supports and rotates on base (5), be equipped with positioning mechanism between triangle chuck body (1) and base (5), be equipped with wind channel (6) in clamping jaw (2), the position that corresponds in clamping jaw (2) upper end and wind channel (6) is equipped with filter screen (7), external air supply in wind channel (6).

2. The special shaft sleeve drilling clamp as claimed in claim 1, wherein a first baffle (8) is arranged at the upper end of the positioning sleeve (4), the through hole (3) is a stepped hole, and the first baffle (8) is supported at the step of the through hole (3).

3. The special clamp for drilling the shaft sleeve according to claim 1, wherein the triangular chuck body (1) is supported on the base (5) through a rotary bearing (15).

4. The special shaft sleeve drilling clamp as claimed in claim 1, wherein a first disc (9) is arranged at the bottom of the triangular chuck body (1), and the positioning mechanism is installed on the first disc (9).

5. The special fixture for drilling the shaft sleeve according to claim 4, wherein the positioning mechanism comprises a sleeve (10), a positioning screw (11) and a compression spring (12), the sleeve (10) is fixed on the first disc (9), the positioning screw (11) penetrates through the sleeve (10), a second baffle plate (13) is arranged in the sleeve (10) on the positioning screw (11), the compression spring (12) is sleeved on the positioning screw (11), the upper end of the compression spring (12) is in contact with the inner wall of the sleeve (10), the lower end of the compression spring (12) is in contact with the second baffle plate (13), a plurality of positioning holes (14) are uniformly arranged in the circumferential direction on the base (5), and the lower end of the positioning screw (11) is matched with the positioning holes (14).

6. The special shaft sleeve drilling clamp as claimed in claim 1, wherein a scrap recovery groove (16) is arranged in the middle of the base (5).

7. The special clamp for drilling the shaft sleeve as claimed in claim 1, wherein a second disc (17) is arranged at the bottom of the base (5).