CN212600206U

CN212600206U - Electric automatization drilling equipment

Info

Publication number: CN212600206U
Application number: CN202021282391.8U
Authority: CN
Inventors: 金锐; 王凯瑶; 倪佳; 李博远; 李神舟; 郑子涵; 代春雷
Original assignee: Northeastern University Qinhuangdao Branch
Current assignee: Northeastern University Qinhuangdao Branch
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-02-26
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to an electric automatization drilling equipment belongs to drilling technical field. Including last backup pad, the stand, the bottom plate, go up the electric jar of fixed mounting in the backup pad, the telescopic link of electric jar passes hole and knee fixed connection in the backup pad, go up terminal surface fixed mounting guide bar under the backup pad, knee lower extreme and lifter fixed connection, fixed mounting motor on the lifter, the rotation axis of motor passes lifter and toper cover fixed connection, toper cover inner wall is connected through big spring and the toper piece of arranging the same with toper cover tapering degree in the toper cover in, toper piece and drilling rod fixed connection, fixed mounting head on the drilling rod. Has the advantages that: through upwards extruding the conical block and then extruding the large spring, strong impact received by the drill bit is buffered, so that the drill bit is not easy to break, damage to the motor is reduced, the service life of the drilling device is prolonged, and burrs on the upper surface and the lower surface of the hole can be removed in the process of drilling.

Description

Electric automatization drilling equipment

Technical Field

The utility model relates to an electric automatization drilling equipment belongs to drilling technical field.

Background

In the process of machining a workpiece, drilling is needed in many places, a cylindrical hole is reserved in the workpiece through a rotary cutting or rotary extrusion mode by using a tool which is harder and sharper than the workpiece in the conventional drilling machine, but most of the conventional drilling machines do not have a buffering effect on a drill bit, and the drill bit is easy to break and damage a driving motor after being used for a long time, so that the service life of the drilling machine is influenced. Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide an electric automatic drilling apparatus capable of removing burrs on the upper and lower surfaces of a hole while drilling and having a buffering effect.

SUMMERY OF THE UTILITY MODEL

In view of this, the technical problem to be solved by the present invention is: how to provide an electric automatic drilling device which can remove burrs on the upper surface and the lower surface of a hole while drilling and has a buffering effect.

In order to achieve the purpose, the utility model provides an electric automatic drilling device, which comprises an upper supporting plate, an upright post and a bottom plate, wherein the upper end of the upright post is fixedly connected with the upper supporting plate, the lower end of the upright post is fixedly connected with the bottom plate, an electric cylinder is fixedly arranged on the upper supporting plate, a telescopic rod of the electric cylinder penetrates through a hole on the upper supporting plate and is fixedly connected with a bent rod, a guide rod is fixedly arranged on the lower end surface of the upper supporting plate, the lower end of the bent rod is fixedly connected with a lifting plate, the lower end of the guide rod penetrates through the lifting plate and is slidably connected with the lifting plate, a motor is fixedly arranged on the lifting plate, a rotating shaft of the motor penetrates through the lifting plate and is fixedly connected with a conical sleeve, the inner wall of the conical sleeve is connected with a conical block which has the same taper as the conical sleeve and is arranged in the conical sleeve, the improved drilling machine is characterized in that the lower end of the conical sleeve is a circular sleeve section with openings at the upper end and the lower end, the conical block is fixedly connected with the drill rod, strip-shaped protrusions are uniformly distributed on the inner wall of the circular sleeve section, strip-shaped grooves matched with the strip-shaped protrusions are uniformly distributed on the upper end of the drill rod, and the polishing head is fixedly installed on the drill rod.

Preferably, the curved bar circumference equipartition is three, the guide bar circumference equipartition is three, the lifter plate includes the lifter plate main part, set up the three spread groove of central through-hole, circumference equipartition, the three direction through-hole of circumference equipartition in the lifter plate main part, the curved bar lower extreme is fixed in the spread groove, the guide bar passes the direction through-hole and along the direction through-hole slides, and is adjacent the spread groove with central angle between the direction through-hole is 60.

Preferably, the polishing head comprises an outer sleeve fixedly mounted on the drill rod, a small spring arranged in the outer sleeve, and a telescopic head with one end extending out of the outer sleeve, the outer sleeve is completely positioned in a hole on the drill rod, one end of the small spring is fixedly connected with the outer sleeve, the other end of the small spring is fixedly connected with the telescopic head, one end of the telescopic head is two-thirds of a spherical shape, the other end of the telescopic head is cylindrical, and the part of the telescopic head extending out of the outer sleeve is hemispherical.

The utility model has the advantages of as follows: through upwards extruding the conical block and then extruding the large spring, strong impact received by the drill bit is buffered, so that the drill bit is not easy to break, damage to the motor is reduced, the service life of the drilling device is prolonged, and burrs on the upper surface and the lower surface of the hole can be removed in the process of drilling.

Drawings

FIG. 1: the utility model has the overall structure schematic diagram;

FIG. 2: the schematic view of the sectional structure of the utility model;

FIG. 3: the utility model is shown in the enlarged schematic diagram at A of FIG. 2;

FIG. 4: the utility model discloses a lifter plate structure schematic diagram.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The invention will be further described with reference to the following figures and examples:

as shown in figures 1-4, the utility model relates to an electric automatic drilling device, which comprises an upper supporting plate 1, a column 2, a bottom plate 3, wherein the upper end of the column 2 is fixedly connected with the upper supporting plate 1, the lower end is fixedly connected with the bottom plate 3, four columns 2 are arranged, an electric cylinder 4 is fixedly arranged on the upper supporting plate 1, compared with a hydraulic cylinder and an air cylinder, the electric cylinder is more environment-friendly, more energy-saving and cleaner, a telescopic rod 401 of the electric cylinder 4 passes through a hole on the upper supporting plate 1 to be fixedly connected with a bent rod 5, the lower end of the bent rod 5 is fixedly connected with a lifting plate 6, preferably, three bent rods 5 are circumferentially and uniformly distributed, the connection stability with the lifting plate 6 is increased, a guide rod 7 is fixedly arranged on the lower end surface of the upper supporting plate 1, the lower end of the guide rod 7 passes through the lifting plate 6 and is connected with the lifting plate 6 in a sliding manner, preferably, three guide, the lifting plate main body 601 is provided with a central through hole 602, three connecting grooves 603 uniformly distributed on the circumference, three guide through holes 604 uniformly distributed on the circumference, the lower end of a bent rod 5 is fixed in the connecting groove 603, a guide rod 7 passes through the guide through hole 604 and slides along the guide through hole 604, the central angle between the adjacent connecting groove 603 and the guide through hole 604 is 60 degrees, a telescopic rod 401 of the electric cylinder 4 drives the lifting plate 6 to ascend or descend through the bent rod 5, the guide rod 7 slides up and down in the guide through hole 604 to increase the lifting stability of the lifting plate 6, a motor 8 is fixedly arranged on the lifting plate 6, the lifting plate 6 drives a rotating motor 8 to ascend and descend to perform drilling operation while ascending and descending, the electric cylinder 4 and the motor 8 are both electrically connected with an external controller, the external controller controls the expansion and contraction of the electric cylinder 4 and the starting and stopping of the motor 8, the rotating shaft of the motor 8 passes through the, the inner wall of the conical sleeve 9 is connected with a conical block 12 which is arranged in the conical sleeve 9 and has the same taper as the conical sleeve 9 through a big spring 11, the lower end surface of the conical block 12 is attached to the inner wall of the conical sleeve 9, the upper end of the big spring 11 is fixedly connected with the inner wall of the conical sleeve 9, the lower end is fixedly connected with the upper end surface of the conical block 12, the elastic force of the big spring 11 presses the conical block 12 to enable the lower end surface to be attached to the inner wall of the conical sleeve 9, the side surface of the conical block 12 is completely attached to the inner wall of the conical sleeve 9, the lower end of the conical sleeve 9 is a circular sleeve section with openings at the upper end and the lower end, the conical block 12 is fixedly connected with a drill rod 10, strip-shaped bulges are uniformly distributed on the inner wall of the circular sleeve section, strip-shaped grooves matched with the strip-shaped bulges are uniformly distributed at the upper end of the drill rod 10, the elastic force of big spring 11 oppresses conical block 12 and makes its lower terminal surface and the laminating of taper sleeve 9 inner wall, when drilling rod 10 lower extreme drill bit receives strong impact, thereby drilling rod 10 upwards extrudees conical block 12 and extrudees big spring 11, terminal surface and the temporary break away from of taper sleeve 9 inner wall under the conical block 12, play the cushioning effect, effectively reduce the impact to the drill bit and make its difficult fracture, reduce the harm to motor 8 simultaneously, improve drilling equipment's life, strong impact disappears the back, conical block 12 lower terminal surface resumes and the laminating of taper sleeve 9 inner wall under big spring 11's elastic force effect.

Specifically, as shown in fig. 2 to 3, a polishing head 13 is fixedly mounted on a drill rod 10, the polishing head 13 is located above a drill bit at the lower end of the drill rod 10, the polishing head 13 includes an outer sleeve 1301 fixedly mounted on the drill rod 10, a small spring 1302 disposed in the outer sleeve 1301, and a telescopic head 1303 with one end extending out of the outer sleeve 1301, the outer sleeve 1301 is entirely located in a hole on the drill rod 10 to prevent a workpiece from being damaged, one end of the small spring 1302 is fixedly connected with the outer sleeve 1301, the other end of the small spring is fixedly connected with the telescopic head 1303, the telescopic head 1303 is compressed by a certain external force and retracts into the outer sleeve 1301, after the external force disappears, the telescopic head 1303 is elastically extended out of the outer sleeve 1301 by the small spring 1302, the part of the telescopic head 1303 extending out of the outer sleeve 1301 rotates along with the drill rod 10, the edge of the surface of a through hole in contact with the telescopic head is polished and gradually, the part of the telescopic head 1303 extending out of the outer sleeve 1301 is hemispherical, a drill bit below the drill rod 10 drills a through hole in a workpiece below the drill bit, the lower half part of the telescopic head 1303 extending out of the outer sleeve 1301 grinds and debugs the edge of the upper surface of the through hole, the drill rod 10 continues to drill downwards, the drill rod 10 rotates upwards after all the grinding heads 13 penetrate through the through hole, and the upper half part of the telescopic head 1303 extending out of the outer sleeve 1301 grinds and debugs the edge of the lower surface of the through hole.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An electric automatic drilling device comprises an upper supporting plate, an upright post and a bottom plate, wherein the upper end of the upright post is fixedly connected with the upper supporting plate, and the lower end of the upright post is fixedly connected with the bottom plate, the electric cylinder is fixedly arranged on the upper supporting plate, a telescopic rod of the electric cylinder penetrates through a hole in the upper supporting plate and is fixedly connected with a bent rod, a guide rod is fixedly arranged on the lower end surface of the upper supporting plate, the lower end of the bent rod is fixedly connected with a lifting plate, the lower end of the guide rod penetrates through the lifting plate and is in sliding connection with the lifting plate, a motor is fixedly arranged on the lifting plate, a rotating shaft of the motor penetrates through the lifting plate and is fixedly connected with a conical sleeve, the inner wall of the conical sleeve is connected with a conical block which has the same conical sleeve taper and is arranged in the conical sleeve through a large spring, the lower end surface of the conical block is attached to the inner wall of the conical, the circular sleeve section is characterized in that the conical block is fixedly connected with the drill rod, strip-shaped bulges are uniformly distributed on the inner wall of the circular sleeve section, strip-shaped grooves matched with the strip-shaped bulges are uniformly distributed on the upper end of the drill rod, and the polishing head is fixedly installed on the drill rod.

2. The electrical automation drilling device of claim 1, characterized in that, the curved bar circumference equipartition is three, the guide bar circumference equipartition is three, the lifter plate includes the lifter plate main part, set up three spread groove, the three direction through-hole of circumference equipartition of central through-hole, circumference equipartition in the lifter plate main part, the curved bar lower extreme is fixed in the spread groove, the guide bar passes the direction through-hole and along the direction through-hole slides, adjacent the spread groove with the central angle between the direction through-hole is 60.

3. The electric automatic drilling device according to claim 1 or 2, wherein the polishing head comprises an outer sleeve fixedly mounted on the drill rod, a small spring arranged in the outer sleeve, and a telescopic head with one end extending out of the outer sleeve, the outer sleeve is entirely positioned in a hole on the drill rod, one end of the small spring is fixedly connected with the outer sleeve, the other end of the small spring is fixedly connected with the telescopic head, one end of the telescopic head is two-thirds of a spherical shape, the other end of the telescopic head is cylindrical, and the part of the telescopic head extending out of the outer sleeve is hemispherical.