CN220336825U - Reaming bit convenient for chip removal - Google Patents

Abstract

The utility model relates to the technical field of reamer bits, and discloses a reamer bit convenient for chip removal, which comprises a reamer bit, wherein a chip removal assembly is arranged on the surface of the reamer bit, and the chip removal assembly comprises: arc spout pole, arc spout pole fixed mounting has the inserted bar at reamer head's top, the inside sliding connection of arc spout pole has the inserted bar, the fixed mounting in the outside of inserted bar has the clean piece, the inside articulated slide bar that has of clean piece, slide bar sliding connection is on reamer head's surface, clean piece surface is provided with the annular piece, and this reamer head convenient to chip removal can utilize the chip removal subassembly to strengthen reamer head surface's cleanness, great improvement staff in work the convenience, reduced the clear degree of difficulty of staff, also make its great improvement reamer head's practicality and use persistence, reduce reamer head wearing and tearing to reduce reamer head wearing and tearing and lead to the maintenance cost of changing of damage.

Description

Reaming bit convenient for chip removal

Technical Field

The utility model relates to the technical field of reamer bits, in particular to a reamer bit convenient for chip removal.

Background

The drill bit and the reamer are the same, but play different roles, and the cutting edge is used for drilling; the reamer is generally used for semi-finishing or final machining of holes, is used for pre-machining or expanding blank holes before reaming or grinding, has 3 to 4 cutting edges, has no chisel edge, has small change of rake angle and relief angle along cutting edges, has good guiding effect during machining, has small axial resistance and has cutting conditions superior to drilling.

However, the existing reamer bit does not have the function of chip removal, when the drill reaches a certain depth, the whole drill body comprises a chip removal groove which enters the hole together, chips are easy to block in the chip removal groove in the process of transferring from the front end to the rear end of the chip removal groove, the chips are difficult to discharge outside the hole, poor chip removal is caused, the abrasion of the drill bit is increased, and the cleaning difficulty of staff is also greatly improved.

Disclosure of Invention

The utility model aims to provide a reamer bit convenient for chip removal, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a reamer bit convenient to chip removal, includes reamer bit, reamer bit surface is provided with chip removal subassembly, chip removal subassembly includes: arc spout pole, arc spout pole fixed mounting is at the top of reamer bit, the inside sliding connection of arc spout pole has the inserted bar, the fixed mounting in the outside of inserted bar has the clean piece, the inside articulated slide bar that has of clean piece, slide bar sliding connection is at the surface of reamer bit, clean piece surface mounting is provided with the annular piece, clean piece sliding connection is in the inside of annular piece, annular piece back fixed mounting has the connecting plate, the dwang, dwang fixed mounting is at the top of arc spout pole, dwang surface fixed mounting has fluted disc one, the meshing of fluted disc one top has fluted disc two, fluted disc two sliding connection is at the surface of dwang, fluted disc two top fixed mounting has the fixed axle, the inside sliding connection of fixed axle has the connecting axle, connecting axle top fixed mounting has movable spring, movable spring one end fixed mounting is at the top of fixed axle, movable spring's the other end fixed mounting is in the bottom of connecting block, can utilize chip removal subassembly to the cleanness of its drill bit surface, great improvement at work personnel, the clean the workplace has also reduced the readiness of reamer bit that has made the practicality that the staff is big is continuous.

Preferably, two annular blocks are arranged, and the two annular blocks are symmetrically arranged by taking the central line of the cleaning block as a symmetrical axis, so that the abrasion of the reamer bit is reduced, and the economic cost of maintenance and replacement of damage caused by the abrasion of the reamer bit is reduced.

Preferably, the surface of the arc chute rod is provided with an arc chute.

Preferably, the surface of the reaming bit is provided with a groove.

Preferably, a chute is formed in the cleaning block.

Preferably, the cross section of the annular block is circular.

Compared with the prior art, the utility model provides the reamer bit convenient for chip removal, which has the following beneficial effects:

this reamer bit convenient to chip removal can utilize the chip removal subassembly to strengthen the cleanness on reamer bit surface to it, great improvement the staff in work the convenience, reduced the clear degree of difficulty of staff, also made its great improvement reamer bit's practicality and use persistence, reduced reamer bit wearing and tearing to and reduce reamer bit wearing and tearing lead to the economic cost of maintenance change of damage.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic elevational view of the toothed disc of the present utility model.

In the figure: 1. reaming bit; 2. a chip removal assembly; 21. an arc chute rod; 22. a rod; 23. a cleaning block; 24. a slide bar; 25. an annular block; 26. a connecting plate; 27. a rotating lever; 28. a fluted disc I; 29. a fluted disc II; 210. a fixed shaft; 211. a connecting shaft; 212. a connecting block; 213. a movable spring.

Detailed Description

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a reamer bit convenient to chip removal, includes reamer bit 1, and reamer bit 1 surface is provided with chip removal subassembly 2, and chip removal subassembly 2 includes: the arc chute rod 21 can drive the connecting shaft 211 to move through the movable connecting block 212, the arc chute rod 21 at the bottom of the arc chute rod 21 is driven to move when the connecting shaft 211 moves, the inserting rod 22 is driven to move when the arc chute rod 21 moves, the cleaning block 23 is driven to move when the inserting rod 22 moves, the sliding rod 24 of the cleaning block 23 is driven to slide on the surface of the reamer bit 1 when the cleaning block 23 moves, the fluted disc I28 of the cleaning block 23 is stressed to abut against the fluted disc II 29 when the cleaning block 23 does not slide downwards to a certain position, so that the mutual meshing between the fluted disc II 29 is eliminated, the fluted disc II 29 and the fixed shaft 210 slide reciprocally on the surface of the connecting shaft 211 under the action of the movable spring 213, the arc chute rod 21 is fixedly arranged at the top of the reamer bit 1, the inserting rod 22 is connected inside the arc chute rod 21 in a sliding manner, the outer side of the inserting rod 22 is fixedly provided with the cleaning block 23, the cleaning block 23 is internally hinged with a slide bar 24, the slide bar 24 is in sliding connection with the surface of the reaming bit 1, the surface of the cleaning block 23 is provided with an annular block 25, the cleaning block 23 is in sliding connection with the inside of the annular block 25, the back surface of the annular block 25 is fixedly provided with a connecting plate 26, a rotating rod 27 is fixedly provided with the top of the arc chute rod 21, the surface of the rotating rod 27 is fixedly provided with a fluted disc I28, the top of the fluted disc I28 is meshed with a fluted disc II 29, the fluted disc II 29 is in sliding connection with the surface of the rotating rod 27, the top of the fluted disc II 29 is fixedly provided with a fixed shaft 210, the inside of the fixed shaft 210 is in sliding connection with a connecting shaft 211, the top of the connecting shaft 211 is fixedly provided with a connecting block 212, the surface of the connecting shaft 211 is fixedly provided with a movable spring 213, one end of the movable spring 213 is fixedly provided with the top of the fixed shaft 210, the other end of the movable spring 213 is fixedly provided with the bottom of the connecting block 212, can utilize chip removal subassembly 2 to its cleanness on strengthening reamer bit 1 surface, great improvement the staff convenience at work, reduced the clear degree of difficulty of staff, also make its great improvement reamer bit 1's practicality and use sustainability annular piece 25 be provided with two, and two annular pieces 25 use the central line of cleaning piece 23 to set up as symmetry axis symmetry, reduce reamer bit 1 wearing and tearing, and reduce reamer bit 1 wearing and tearing and lead to the economic cost of maintenance change of damage, arc spout is seted up on arc spout pole 21 surface, reamer bit 1 surface is seted up flutedly, the spout has been seted up to cleaning piece 23 inside, annular piece 25 cross section is circular.

Working principle: when the reaming bit 1 is cleaned, the movable connecting block 212 can drive the connecting shaft 211 to move, the connecting shaft 211 can drive the arc chute rod 21 at the bottom to move, the arc chute rod 21 can drive the inserting rod 22 to move, the inserting rod 22 can drive the cleaning block 23 to move, the sliding rod 24 can slide on the surface of the reaming bit 1 when the cleaning block 23 moves, the first fluted disc 28 is stressed to abut against the second fluted disc 29 when the cleaning block 23 is cleaned to a certain position, so that the mutual engagement between the second fluted disc 29 is eliminated, the second fluted disc 29 and the fixed shaft 210 can slide reciprocally on the surface of the connecting shaft 211 under the action of the movable spring 213, but the surface of the reaming bit 1 can not be reinforced by the operation of the bottom reaming bit 1, the convenience of operation of staff is greatly improved, the difficulty of cleaning of the staff is reduced, the practicability and the use durability of the reaming bit 1 are greatly improved, the abrasion of the reaming bit 1 is reduced, and the economic cost of maintenance and abrasion caused by replacement of the reaming bit 1 is reduced.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. Reamer bit convenient to chip removal, including reamer bit (1), its characterized in that: the reamer bit (1) surface is provided with chip removal subassembly (2), chip removal subassembly (2) include:

the arc chute rod (21), arc chute rod (21) fixed mounting is at the top of reamer bit (1), inside sliding connection of arc chute rod (21) has inserted bar (22), inserted bar (22) outside fixed mounting has cleaning block (23), cleaning block (23) inside articulates there is slide bar (24), slide bar (24) sliding connection is at the surface of reamer bit (1), cleaning block (23) surface is provided with annular block (25), cleaning block (23) sliding connection is in the inside of annular block (25), annular block (25) back fixed mounting has connecting plate (26);

the rotary rod (27), rotary rod (27) fixed mounting is at the top of arc spout pole (21), rotary rod (27) fixed surface installs fluted disc one (28), fluted disc one (28) top meshing has fluted disc two (29), fluted disc two (29) sliding connection is at the surface of rotary rod (27), fluted disc two (29) top fixed mounting has fixed axle (210), fixed axle (210) inside sliding connection has connecting axle (211), connecting axle (211) top fixed mounting has connecting block (212), connecting axle (211) fixed surface installs movable spring (213), movable spring (213) one end fixed mounting is at the top of fixed axle (210), the other end fixed mounting of movable spring (213) is in the bottom of connecting block (212).

2. A reamer head for facilitating chip removal according to claim 1, wherein: the number of the annular blocks (25) is two, and the two annular blocks (25) are symmetrically arranged by taking the central line of the cleaning block (23) as a symmetrical axis.

3. A reamer head for facilitating chip removal according to claim 1, wherein: an arc chute is arranged on the surface of the arc chute rod (21).

4. A reamer head for facilitating chip removal according to claim 1, wherein: the surface of the reaming bit (1) is provided with a groove.

5. A reamer head for facilitating chip removal according to claim 1, wherein: a sliding groove is formed in the cleaning block (23).

6. A reamer head for facilitating chip removal according to claim 1, wherein: the cross section of the annular block (25) is circular.