CN211590529U

CN211590529U - Drill bit with polishing and drilling functions

Info

Publication number: CN211590529U
Application number: CN201922158002.4U
Authority: CN
Inventors: 钱时祥
Original assignee: Wuhan Xinghuan Electromechanical Tool Co ltd
Current assignee: Wuhan Xinghuan Electromechanical Tool Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-09-29
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a drill bit with drilling function of polishing relates to drill bit technical field, including drilling section, the section of polishing, linkage segment, drilling section, the section of polishing and linkage segment connect gradually, the outside of drilling section is equipped with integrated into one piece's tool bit, the section of polishing is including interior abrasive disc, first outer abrasive disc, the outer abrasive disc of polishing of second, first outer abrasive disc, the outer wall of abrasive disc nested in interior abrasive disc of polishing of second, first outer abrasive disc, the outer equal threaded connection of abrasive disc and interior abrasive disc of polishing of second have the screw, interior abrasive disc is equipped with first plush copper, all be equipped with on first outer abrasive disc, the outer abrasive disc of second with first plush copper assorted second plush copper, the outer wall of first plush copper, second plush copper all is fixed with the lantern ring of polishing. The utility model discloses both can drill to the plank, also can polish to the edge of the plank that the cutting is good, avoided present drill bit not to have the function of polishing drilling.

Description

Drill bit with polishing and drilling functions

Technical Field

The utility model relates to a drill bit technical field especially relates to a drill bit with drilling function of polishing.

Background

The drill is a tool for drilling through holes or blind holes in solid materials and reaming existing holes. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Although reamers and reamers cannot drill holes in solid materials, they are also customarily classified as drills, and during pit digging, the drill rotates along with the vertical shaft and moves axially. The soil is cut under the action of torque and axial force of the drill bit, loosened under the action of extrusion and centrifugal force of the working blades, pressed to the pit wall by formed soil flow, and lifted to the ground along the page. When the soil current moved to no hole wall and blockked the department, because centrifugal force effect hack was thrown around the hole, accomplished the process of digging a pit, often can use the drill bit to punch to timber at carpenter's operation in-process, but present drill bit does not have the function of the drilling of polishing, drilling to the plank, and to the polishing of the plank edge after the cutting, the change operation motor that need not stop for this reason, we have proposed a drill bit with the drilling function of polishing and have come into use, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a drill bit with a polishing and drilling function.

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

the drill bit with the polishing and drilling functions comprises a drilling section, a polishing section and a connecting section, wherein the drilling section, the polishing section and the connecting section are sequentially connected, an integrally formed tool bit is arranged on the outer side of the drilling section, the polishing section comprises an inner polishing disc, a first outer polishing disc and a second outer polishing disc, the first outer polishing disc and the second outer polishing disc are nested on the outer wall of the inner polishing disc, screws are respectively in threaded connection with the first outer polishing disc, the second outer polishing disc and the inner polishing disc, the inner polishing disc is provided with a first raised head, second raised heads matched with the first raised head are respectively arranged on the first outer polishing disc and the second outer polishing disc, polishing lantern rings are respectively fixed on the outer walls of the first raised head and the second raised head, and integrally formed fixed clamping grooves are formed in the outer side wall of the left end of the connecting section at equal intervals along the circumferential direction.

Preferably, the outer side of the cutter head is provided with lugs which are integrally formed at equal intervals along the circumferential direction, and the cutter head is spirally arranged.

Preferably, a rubber protection pad is placed between the outer wall of the inner polishing disc and the inner walls of the first outer polishing disc and the second outer polishing disc, and the rubber protection pad is located on the outer wall of the polishing lantern ring on the inner polishing disc.

Preferably, the first outer grinding disc and the second outer grinding disc are fixedly connected with the inner grinding disc through screws.

Preferably, the first outer polishing disc and the second outer polishing disc are both semicircular, and the first outer polishing disc and the second outer polishing disc are the same in size.

Preferably, the diameter of the inner abrasive disc is larger than the diameter of the drill hole section.

The utility model has the advantages that:

1, the utility model discloses in, through the drilling section, the design of the section of polishing, both can drill to the plank, also can polish to the edge of the plank that the cutting is good, with the edge of the lantern ring contact plank of polishing, the continuous rotatory lantern ring of polishing can polish to the edge of plank to the polishing of polishing is carried out to the edge of plank, has avoided present drill bit not to have the function of the drilling of polishing, has avoided drilling, has polished the trouble that needs the change rig.

2, the utility model discloses in, through the design of interior abrasive disc, first outer abrasive disc, the outer abrasive disc of polishing of second, can carry out reutilization to the abrasive disc, avoided because of the wearing and tearing of the lantern ring of polishing on the abrasive disc seriously need changing whole abrasive disc of polishing, practiced thrift the cost promptly like this, avoided the trouble of changing the abrasive disc.

Drawings

Fig. 1 is a schematic structural diagram of a drill bit with a polishing and drilling function according to the present invention.

Fig. 2 is a front view of the drill bit with the polishing and drilling functions of the present invention.

Reference numbers in the figures: 1 drilling section, 11 lugs, 12 tool bits, 2 grinding sections, 21 inner grinding discs, 22 first outer grinding discs, 23 second outer grinding discs, 24 first raised heads, 25 second raised heads, 26 rubber protection pads, 27 grinding lantern rings, 28 screws, 3 connecting sections and 31 fixing clamp grooves.

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.

Referring to fig. 1-2, a drill bit with a polishing and drilling function comprises a drilling section 1, a polishing section 2 and a connecting section 3, wherein the drilling section 1, the polishing section 2 and the connecting section 3 are sequentially connected, an integrally formed cutter head 12 is arranged on the outer side of the drilling section 1, the polishing section 2 comprises an inner polishing disc 21 and a first outer polishing disc 22, the outer polishing disc 23 of second, the outer polishing disc 23 of first outer polishing disc 22, the outer polishing disc 23 nestification of second is in the outer wall of interior polishing disc 21, the equal threaded connection of first outer polishing disc 22, the outer polishing disc 23 of second and interior polishing disc 21 has screw 28, interior polishing disc 21 is equipped with first plush copper 24, all be equipped with on the outer polishing disc 23 of first outer polishing disc 22, the second plush copper 25 with first plush copper 24 assorted, the outer wall of first plush copper 24, second plush copper 25 all is fixed with the lantern ring 27 of polishing, the left end lateral wall of linkage segment 3 is equipped with integrated into one piece's fixed clamp groove 31 along circumference equidistant.

The outside of tool bit 12 is equipped with integrated into one piece's lug 11 along circumference equidistant, tool bit 12 becomes the heliciform setting, the outer wall and the first outer mill of polishing 21 of interior mill 21, rubber protection pad 26 has been placed between the inner wall of the outer mill of second 23, rubber protection pad 26 is located the outer wall of the lantern ring 27 of polishing on the interior mill 21, first outer mill 22, the outer mill of polishing 23 of second all passes through screw 28 fixed connection with interior mill 21, first outer mill 22, the outer mill of polishing 23 of second is semi-circular, first outer mill 22, the outer mill of polishing 23 size of second is the same, the diameter of interior mill 21 is greater than drilling section 1 diameter.

The working principle is as follows:

the utility model relates to a drill bit with the functions of polishing and drilling, when in use, the connecting section 3 of the drill bit is fixedly arranged at the output end of a drilling machine, then the right end of the drilling section 1 is aligned with the position to be drilled on wood, then the drilling machine is started, the drilling machine drives the drill bit to continuously rotate, simultaneously, the cutter head 12 which continuously rotates can punch holes on the wood, meanwhile, the lug 11 at the outer side wall of the cutter head 12 can polish the hole wall, when the edge of the cut wood board needs to be polished, the polishing lantern ring 27 is used for contacting the edge of the wood board, the polishing lantern ring 27 which continuously rotates can polish the edge of the wood board, thereby polishing and polishing the edge of the wood board, avoiding the current drill bit not having the functions of polishing and drilling, avoiding the troubles of drilling and needing to replace the drilling machine, when the polishing lantern ring 27 is worn seriously, the screws 28 at the left side and the right side can, then the first outer grinding disc 22 and the second outer grinding disc 23 are taken out, and the inner grinding disc 21 is used for continuous grinding, so that the whole grinding disc is prevented from being replaced, the cost is saved, and the trouble of replacing the grinding disc is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A drill bit with a grinding and drilling function comprises a drilling section (1), a grinding section (2) and a connecting section (3), and is characterized in that the drilling section (1), the grinding section (2) and the connecting section (3) are sequentially connected, an integrally formed tool bit (12) is arranged on the outer side of the drilling section (1), the grinding section (2) comprises an inner grinding disc (21), a first outer grinding disc (22) and a second outer grinding disc (23), the first outer grinding disc (22) and the second outer grinding disc (23) are nested on the outer wall of the inner grinding disc (21), screws (28) are in threaded connection with the first outer grinding disc (22), the second outer grinding disc (23) and the inner grinding disc (21), the inner grinding disc (21) is provided with a first raised head (24), and second raised heads (25) matched with the first raised head (24) are arranged on the first outer grinding disc (22) and the second outer grinding disc (23), the outer walls of the first raised head (24) and the second raised head (25) are both fixed with polishing lantern rings (27), and the outer side wall of the left end of the connecting section (3) is provided with fixing clamp grooves (31) which are formed integrally at equal intervals along the circumferential direction.

2. A drill bit with a grinding and drilling function as claimed in claim 1, characterized in that the outside of the cutter head (12) is provided with lugs (11) formed in one piece at equal intervals in the circumferential direction, and the cutter head (12) is arranged in a spiral shape.

3. The drill bit with the grinding and drilling functions is characterized in that a rubber protection pad (26) is arranged between the outer wall of the inner grinding disc (21) and the inner walls of the first outer grinding disc (22) and the second outer grinding disc (23), and the rubber protection pad (26) is positioned on the outer wall of a grinding collar (27) on the inner grinding disc (21).

4. The drill bit with the grinding and drilling functions as claimed in claim 1, characterized in that the first outer grinding disc (22) and the second outer grinding disc (23) are fixedly connected with the inner grinding disc (21) through screws (28).

5. The drill bit with the grinding and drilling functions as claimed in claim 1, characterized in that the first outer grinding disc (22) and the second outer grinding disc (23) are both semicircular, and the first outer grinding disc (22) and the second outer grinding disc (23) are the same in size.

6. A drill bit with abrasive drilling function according to claim 1, characterized in that the diameter of the inner abrasive disc (21) is larger than the diameter of the drill section (1).