CN217991032U

CN217991032U - Drill bit for reaming of drilling machine

Info

Publication number: CN217991032U
Application number: CN202221393652.2U
Authority: CN
Inventors: 勾文
Original assignee: Harbin Heyi Industrial Tools Manufacturing Co ltd
Current assignee: Harbin Heyi Industrial Tools Manufacturing Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-12-09
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a drill bit is used in rig reaming, relate to drill bit technical field, the utility model discloses a frame and the drill bit body of setting on the frame, the tip of frame is provided with the mount pad, the drill bit body passes through coupling assembling and is connected with the mount pad, coupling assembling includes positioning element, the fixed block, spacing and locking screw, the fixed slot with fixed block looks adaptation is seted up to the bottom of mount pad, fixed block and drill bit body tip fixed connection, the side fixed connection of spacing and fixed block, the spacing groove with spacing looks adaptation is seted up to the inner wall of fixed slot, the cavity has been seted up to the inside of fixed block, locking screw runs through the cavity, and the side of fixed block set up with the screw hole of locking screw looks adaptation. The utility model relates to a drill bit is used in rig reaming through setting up coupling assembling, can install fast and change the drill bit body, improves the change efficiency of drill bit body.

Description

Drill bit for reaming of drilling machine

Technical Field

The utility model relates to a drill bit technical field, in particular to drill bit is used in rig reaming.

Background

The drill bit is an indispensable component part in the mechanical production, under the drive of drill bit frame for the drill bit produces the rotation, thereby drives whole drill bit and produces centripetal movement, and makes the processing article take place the crack through invading cutting, grinding and form the drilling, wherein, the reaming drill bit belongs to one kind of drill bit for the expansion to the hole, in order to reach required aperture.

On the existing market, current drill bit for rig reaming is in the use, because some metal work piece hardness are great, the impaired speed of drill bit in the use is very fast, need change the drill bit, because current drill bit is connected with the frame through the block mostly, installs the dismantlement through bolt isotructures to the drill bit with the help of the instrument again, it is comparatively loaded down with trivial details to change, wastes time and energy, for this reason, now provides a drill bit for rig reaming.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a drill bit is used in rig reaming can effectively solve among the background art current drill bit is used in the use for the rig reaming, because some metal work hardness are great, the drill bit is impaired fast in the use, need change the drill bit, because current drill bit is connected with the frame through the block mostly, install the dismantlement through bolt isotructure to the drill bit with the help of the instrument again, it is comparatively loaded down with trivial details to change, the problem that wastes time and energy.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a drill bit for reaming of a drilling machine comprises a base and a drill bit body arranged on the base, wherein an installation base is arranged at the end part of the base, and the drill bit body is connected with the installation base through a connecting assembly;

the connecting assembly comprises a positioning component, a fixing block, a limiting strip and a locking screw rod, a fixing groove matched with the fixing block is formed in the bottom of the mounting seat, the fixing block is fixedly connected with the end part of the drill bit body, the limiting strip is fixedly connected with the side surface of the fixing block, a limiting groove matched with the limiting strip is formed in the inner wall of the fixing groove, a cavity is formed in the fixing block, the locking screw rod penetrates through the cavity, and a threaded hole matched with the locking screw rod is formed in the side surface of the fixing block;

the positioning component comprises a positioning block, an installation block, an abutting spring and a clamping block, the positioning block and the fixing block are far away from one end of the drill bit body and are fixedly connected, the installation block is fixedly connected with the inner top wall of the fixing groove, the positioning groove matched with the positioning block is formed in the bottom of the installation block, the placing groove is formed in the inner wall of the positioning groove in the installation block, one end of the abutting spring is fixedly connected with the inner wall of the placing groove, the other end of the abutting spring is fixedly connected with the clamping block, a clamping groove matched with the clamping block is formed in the side face of the positioning block, the drill bit body can be rapidly installed, and meanwhile the installation stability of the drill bit body can be improved.

Preferably, the side surface of the mounting seat is provided with a through hole matched with the locking screw, and the through hole is communicated with the inside of the cavity.

Preferably, the outer fixed surface of the locking screw is connected with a baffle ring, the baffle ring is positioned in the cavity, the locking screw can be limited, and the locking screw is prevented from falling off.

Preferably, the locking screw rods and the baffle rings form an integral structure which is divided into two groups, and the two groups are symmetrically distributed along the vertical central axis of the mounting seat.

Preferably, locking screw is located the outer one end side fixedly connected with helping hand pole of mount pad, the quantity of helping hand pole has two, and two helping hand pole is the symmetric distribution along locking screw's horizontal axis, is convenient for connect fixed more stably to the fixed block.

Preferably, the integral structure that conflict spring and fixture block formed has two sets ofly, and is the symmetric distribution along the vertical axis of installation piece, is convenient for carry out better location to the locating piece.

Preferably, the side face of the positioning block is provided with a sliding groove matched with the clamping block, the sliding groove is communicated with the inside of the clamping groove, the clamping block slides in the sliding groove, and when the abutting spring is in a static state, the arc-shaped end part of the clamping block is located at the edge of the sliding groove, so that the clamping block can conveniently slide into the sliding groove.

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

the utility model discloses in, through setting up coupling assembling, when needing to install the drill bit body, aim at the mounting groove of mount pad with the fixed block on the drill bit body, make spacing on the fixed block can align with the spacing groove, remove the drill bit body, make the fixed block can offset with the installation piece, at this moment, the locating piece that the fixed block is connected is blocked with the constant head tank on the installation piece, the locating piece is when removing, the fixture block on the installation piece can with under the conflict effect of spout, to the extrusion conflict spring in the standing groove, make the conflict spring be in compression state, until the fixture block top is parallel and level with the spout, can slide inside the spout, until the fixture block slides to the draw-in groove position, the fixture block can drive its and draw-in groove block under the reset effect of conflict spring, accomplish the location to the locating piece, can improve the stability of drill bit body installation, finally, through rotating the helping hand pole, make helping hand pole drive the locking screw rod to rotate, thereby can fix the fixed block, wherein, through setting up two locking screw rods, can further improve the stability of drill bit body connection; when the drill bit body needs to be replaced, the locking screw rod only needs to be unscrewed, and the drill bit body is pulled, so that the clamping block extrudes the abutting spring under the action of the pulling force, and the drill bit body can be quickly replaced by continuously pulling the clamping block.

Drawings

FIG. 1 is a front cross-sectional view of a drill bit for reaming a drill according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 of the drill for reaming by the drilling machine of the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 of the drill for reaming by the drilling machine of the present invention;

fig. 4 is a perspective view of the mounting seat and the connection structure of the drill bit for reaming of the drilling machine of the present invention;

fig. 5 is a side sectional view of the mounting seat and the connecting structure of the drill bit for reaming of the drilling machine of the present invention.

In the figure: 1. a machine base; 2. a drill body; 3. a mounting base; 4. a fixed block; 5. a limiting strip; 6. locking the screw rod; 7. a threaded hole; 8. positioning a block; 9. mounting blocks; 10. against the spring; 11. a clamping block; 12. a baffle ring; 13. a booster lever; 14. a chute; 15. a cavity.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

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," "second," and the like 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 a fixed connection, a detachable connection, or an integral connection; 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.

Referring to fig. 1-5, the utility model relates to a drill bit for reaming of a drilling machine, which comprises a base 1 and a drill bit body 2 arranged on the base 1, wherein the end part of the base 1 is provided with a mounting seat 3, and the drill bit body 2 is connected with the mounting seat 3 through a connecting component;

the connecting assembly comprises a positioning component, a fixing block 4, a limiting strip 5 and a locking screw 6, a fixing groove matched with the fixing block 4 is formed in the bottom of the mounting seat 3, the fixing block 4 is fixedly connected with the end of the drill bit body 2, the limiting strip 5 is fixedly connected with the side face of the fixing block 4, a limiting groove matched with the limiting strip 5 is formed in the inner wall of the fixing groove, a cavity 15 is formed in the fixing block 4, the locking screw 6 penetrates through the cavity 15, and a threaded hole 7 matched with the locking screw 6 is formed in the side face of the fixing block 4;

positioning element includes locating piece 8, installation piece 9, conflict spring 10 and fixture block 11, the one end fixed connection of drill bit body 2 is kept away from with fixed block 4 to locating piece 8, the interior roof fixed connection of installation piece 9 and fixed slot, and the constant head tank with 8 looks adaptations of locating piece is seted up to the bottom of installation piece 9, the standing groove has been seted up to the inner wall of the constant head tank on the installation piece 9, the one end of conflict spring 10 and the inner wall fixed connection of standing groove, the other end and the fixture block 11 fixed connection of conflict spring 10, the draw-in groove with 11 looks adaptations of fixture block is seted up to the side of locating piece 8, be convenient for install drill bit body 2 fast, can improve the stability of drill bit body 2 installation simultaneously.

The side of mount pad 3 is seted up the through-hole with locking screw 6 looks adaptation, and the through-hole communicates with cavity 15 is inside.

The outer fixed surface of locking screw 6 is connected with and keeps off ring 12, keeps off ring 12 and is located cavity 15 inside, can carry out spacingly to locking screw 6, prevents that locking screw 6 from droing.

The locking screw rods 6 and the baffle rings 12 form an integral structure which is divided into two groups, and the two groups are symmetrically distributed along the vertical central axis of the mounting seat 3.

Locking screw 6 is located the outer one end side fixedly connected with helping hand pole 13 of mount pad 3, and the quantity of helping hand pole 13 has two, and two helping hand poles 13 are the symmetric distribution along locking screw 6's horizontal axis, are convenient for connect fixed more stable to fixed block 4.

The whole structure that conflict spring 10 and fixture block 11 formed has two sets ofly, and is the symmetric distribution along the vertical axis of installation piece 9, is convenient for carry out better location to locating piece 8.

The side of the positioning block 8 is provided with a sliding groove 14 matched with the clamping block 11, the sliding groove 14 is communicated with the inside of the clamping groove, the clamping block 11 slides in the sliding groove 14, when the abutting spring 10 is in a static state, the arc-shaped end part of the clamping block 11 is located at the edge of the sliding groove 14, and the clamping block 11 can conveniently slide into the sliding groove 14.

The utility model discloses a theory of operation does: when the drill bit is used, when the drill bit body 2 needs to be installed, the fixing block 4 on the drill bit body 2 is aligned to the installation groove of the installation seat 3, the limiting strip 5 on the fixing block 4 can be aligned to the limiting groove, the drill bit body 2 is moved, the fixing block 4 can be abutted to the installation block 9, at the moment, the positioning block 8 connected with the fixing block 4 is clamped with the positioning groove in the installation block 9, when the positioning block 8 is moved, the clamping block 11 on the installation block 9 can extrude the abutting spring 10 into the placing groove under the abutting effect of the sliding groove 14, the abutting spring 10 is in a compression state, the top end of the clamping block 11 is flush with the sliding groove 14, the clamping block can slide inside the sliding groove 14 until the clamping block 11 slides to the clamping groove position, the clamping block 11 can drive the clamping block to be clamped with the clamping groove under the resetting effect of the abutting spring 10, the positioning of the positioning block 8 is completed, finally, the assisting rod 13 is rotated to drive the locking screw 6 to rotate, so that the fixing block 4 can be fixed, and finally the drill bit body 2 is installed and fixed, and the content of the fixing block not described in detail in this specification belongs to the well-known technical field.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drill bit is used in rig reaming, includes frame (1) and sets up drill bit body (2) on frame (1), its characterized in that: the end part of the machine base (1) is provided with a mounting base (3), and the drill bit body (2) is connected with the mounting base (3) through a connecting assembly;

the connecting assembly comprises a positioning component, a fixing block (4), a limiting strip (5) and a locking screw (6), a fixing groove matched with the fixing block (4) is formed in the bottom of the mounting seat (3), the fixing block (4) is fixedly connected with the end of the drill bit body (2), the limiting strip (5) is fixedly connected with the side face of the fixing block (4), a limiting groove matched with the limiting strip (5) is formed in the inner wall of the fixing groove, a cavity (15) is formed in the fixing block (4), the locking screw (6) penetrates through the cavity (15), and a threaded hole (7) matched with the locking screw (6) is formed in the side face of the fixing block (4);

positioning element includes locating piece (8), installation piece (9), conflict spring (10) and fixture block (11), the one end fixed connection of drill bit body (2) is kept away from with fixed block (4) locating piece (8), the interior roof fixed connection of installation piece (9) and fixed slot, just the constant head tank with locating piece (8) looks adaptation is seted up to the bottom of installation piece (9), the standing groove has been seted up to the inner wall of the constant head tank on installation piece (9), the one end of conflict spring (10) and the inner wall fixed connection of standing groove, the other end and fixture block (11) fixed connection of conflict spring (10), the draw-in groove with fixture block (11) looks adaptation is seted up to the side of locating piece (8).

2. The drill bit for reaming a drill according to claim 1, wherein: the side surface of the mounting seat (3) is provided with a through hole matched with the locking screw rod (6), and the through hole is communicated with the inside of the cavity (15).

3. The drill bit for reaming of the drilling machine as claimed in claim 1, wherein: the outer surface of the locking screw rod (6) is fixedly connected with a baffle ring (12), and the baffle ring (12) is positioned in the cavity (15).

4. The drill bit for reaming a drill according to claim 3, wherein: the locking screw rods (6) and the baffle rings (12) form an integral structure which is divided into two groups, and the two groups are symmetrically distributed along the vertical central axis of the mounting seat (3).

5. The drill bit for reaming a drill according to claim 1, wherein: locking screw (6) are located outer one end side fixedly connected with helping hand pole (13) of mount pad (3), the quantity of helping hand pole (13) has two, and two helping hand pole (13) are the symmetric distribution along the horizontal axis of locking screw (6).

6. The drill bit for reaming a drill according to claim 1, wherein: the integral structure formed by the abutting springs (10) and the clamping blocks (11) is divided into two groups, and the two groups are symmetrically distributed along the vertical central axis of the mounting block (9).

7. The drill bit for reaming a drill according to claim 1, wherein: the side surface of the positioning block (8) is provided with a sliding groove (14) matched with the clamping block (11), and the clamping block (11) slides in the sliding groove (14).