CN219053019U

CN219053019U - Machining drill bit with high adaptation degree

Info

Publication number: CN219053019U
Application number: CN202221182730.4U
Authority: CN
Inventors: 何涛; 何敏; 伍小锋; 陈武
Original assignee: Sichuan Ronglai Weige Technology Co ltd
Current assignee: Sichuan Ronglai Weige Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2023-05-23
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a machining drill bit with high adaptation degree, which comprises a drill rod, wherein an external thread is formed on the outer wall of the drill rod, a clamping part is fixedly connected to one end of the drill rod, a plurality of uniformly distributed fixing blocks are fixedly connected to the outer wall of one side of the clamping part, which is far away from the drill rod, of the clamping part, chamfering cutters are rotatably connected to the outer wall of each fixing block, and a sliding groove is formed in the outer wall of one side, which is close to the drill rod, of the chamfering cutters. Through the chamfer sword that sets up, according to the needs of chamfer, rotate the nut for the nut drives the spacing ring and slides along the drilling rod, and sliding structure slides along the spout, thereby promotes the chamfer sword, changes the angle between chamfer sword and the drilling rod, thereby need not to change different chamfer and bore, only need rotate the angle that the nut just can adjust the chamfer, with the efficiency that has improved production greatly.

Description

Machining drill bit with high adaptation degree

Technical Field

The utility model belongs to the technical field of machining equipment, and particularly relates to a machining drill bit with high adaptation degree.

Background

In machining, for the process chamfering requirement of a large number of workpieces with various specifications, a conventional operation method is to chamfer by using a mechanical method, for example, when 45-degree chamfering is required, a chamfering tool with 90 degrees is used, and when 60-degree chamfering is required, a chamfering tool with 120 degrees is used.

However, in actual machining, since the sizes of the apertures to be machined are different, it is also necessary to prepare chamfering cutters of different specifications for different apertures, and in this case, a worker often needs to replace the chamfering cutters back and forth, and the chamfering cutters are mounted on an electric hand drill or a machine tool, which is troublesome to replace and affects the efficiency of the work.

Disclosure of Invention

The utility model aims to provide a machining drill bit with high adaptation degree, which aims to solve the problems that in the prior art, the existing machining drill bit with high adaptation degree is required to be frequently replaced by a worker in a back and forth process, and the chamfering tool is arranged on an electric hand drill or a machine tool, so that the replacement is troublesome, and the working efficiency is affected relatively.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a machining drill bit that adaptation degree is high, includes the drilling rod, the external screw thread has been seted up to the outer wall of drilling rod, the one end fixedly connected with clamping part of drilling rod, one side outer wall fixedly connected with a plurality of evenly distributed's of clamping part kept away from the drilling rod fixed block, every the outer wall of fixed block all rotates and is connected with the chamfer sword, the spout has been seted up to one side outer wall that the chamfer sword is close to the drilling rod, the inner wall sliding connection of spout has sliding structure, the outer wall sliding connection of drilling rod has the spacing ring, the outside cover of spacing ring is equipped with the solid fixed ring, the outer wall fixedly connected with a plurality of connecting plates of spacing ring, the outer wall and a plurality of sliding structure rotation of solid fixed ring are connected, the outside of drilling rod has cup jointed the connecting cylinder, the one end and the outer wall fixed connection of spacing ring of connecting cylinder, the other end rotation of connecting cylinder is connected with the nut, the drilling rod passes through the outer screw thread that sets up and the inner wall threaded connection of nut.

Specifically, during the use, the clamping part is held, according to the needs of chamfer, rotates the nut for the nut drives the spacing ring and slides along the drilling rod, and sliding structure slides along the spout, thereby promotes the chamfer sword, changes the angle between chamfer sword and the drilling rod, thereby need not to change different chamfer and bore, only need rotate the nut just can adjust the angle of chamfer, in order to improve the efficiency of production greatly.

Preferably, the chamfering tool comprises a tool body and two scrapers, wherein the two scrapers are fixedly connected with the two sides of the top of the tool body, the chute is formed in the tool body, and the tool body is rotationally connected with one end of the tool body and the fixed block.

Specifically, the blades are provided on both sides of the blade, so that chamfering operation can be performed when the drill is rotated forward or backward.

Preferably, the sliding structure comprises a movable ring, a connecting rod and a sliding column, wherein the outer wall of the movable ring is fixedly connected with one end of the connecting rod, the other end of the connecting rod is fixedly connected with the outer wall of the sliding column, the outer wall of the sliding column is slidably connected with the inner wall of the sliding groove, and the inner wall of the movable ring is rotatably connected with the outer wall of the fixed ring.

Specifically, when removing solid fixed ring, can promote a plurality of expansion rings simultaneously to can adjust a plurality of chamfer sword and change the angle together, a plurality of chamfer sword support the hole jointly when the chamfer, conveniently confirm the centre of a circle in hole, and under a plurality of chamfer sword chamfer jointly, can accelerate the efficiency of chamfer.

Preferably, a clamping ring is fixedly connected to the outer wall of one side of the nut, the inner wall of the clamping ring is movably connected with the outer wall of the drill rod, an annular sheet is fixedly connected to the inner wall of one side of the connecting cylinder, which is far away from the limiting ring, and the outer wall of the clamping ring is movably connected with the inner wall of the annular sheet.

Specifically, a groove is formed between the clamping ring and the nut, and the annular piece can be limited, so that the clamping ring can also push the connecting cylinder to move together when moving.

Preferably, the cross section of the snap ring is L-shaped.

Specifically, the L-shaped structure of the snap ring can clamp the annular piece.

Preferably, the outer wall of the annular piece is adhered with the inner wall of the connecting cylinder.

Specifically, when in installation, the annular sheet can be firstly placed in the groove on the outer wall of the clamping ring, then the outer wall of the annular sheet is coated with glue, and then the annular sheet is inserted into the inner wall of the connecting cylinder to be fixed, so that the assembly is completed.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the chamfer sword that sets up, according to the needs of chamfer, rotate the nut for the nut drives the spacing ring and slides along the drilling rod, and sliding structure slides along the spout, thereby promotes the chamfer sword, changes the angle between chamfer sword and the drilling rod, thereby need not to change different chamfer and bore, only need rotate the angle that the nut just can adjust the chamfer, with the efficiency that has improved production greatly.

2. Through the solid fixed ring that sets up, when removing solid fixed ring, can promote a plurality of expansion rings simultaneously to can adjust a plurality of chamfer sword change angle together simultaneously, a plurality of chamfer sword support the hole jointly when the chamfer, conveniently confirm the centre of a circle in hole, and under a plurality of chamfer sword chamfer jointly, can accelerate the efficiency of chamfer.

Drawings

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

FIG. 2 is a schematic view of another downward perspective of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;

fig. 6 is a schematic diagram of the positional relationship between the nut and the snap ring according to the present utility model.

In the figure: 1. a drill rod; 2. a clamping part; 3. an external thread; 4. chamfering tool; 5. a chute; 6. a sliding structure; 7. a fixing ring; 8. a connecting plate; 9. a limiting ring; 10. a connecting cylinder; 11. a screw cap; 12. a blade body; 13. a scraper; 14. a movable ring; 15. a connecting rod; 16. a spool; 17. a clasp; 18. an annular sheet; 19. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a machining drill bit that adaptation degree is high, including drilling rod 1, external screw thread 3 has been seted up to the outer wall of drilling rod 1, the one end fixedly connected with clamping part 2 of drilling rod 1, one side outer wall fixedly connected with a plurality of evenly distributed's fixed block 19 of clamping part 2 keeping away from drilling rod 1, the outer wall of every fixed block 19 all rotates and is connected with chamfer sword 4, the spout 5 has been seted up to one side outer wall that chamfer sword 4 is close to drilling rod 1, the inner wall sliding connection of spout 5 has sliding structure 6, the outer wall sliding connection of drilling rod 1 has spacing ring 9, the outside cover of spacing ring 9 is equipped with solid fixed ring 7, the outer wall fixedly connected with a plurality of connecting plates 8 of spacing ring 9, spacing ring 9 passes through a plurality of connecting plates 8 and solid fixed ring 7's inner wall fixed connection, gu fixed ring 7's outer wall and a plurality of sliding structure 6 rotate to be connected, connecting cylinder 10 has been cup jointed to the outside of drilling rod 1, connecting cylinder 10's one end and spacing ring 9's outer wall fixed connection, connecting cylinder 10's the other end rotation is connected with nut 11, drilling rod 1 passes through the external screw thread 3 that sets up and nut 11's inner wall threaded connection.

In this embodiment, during the use, grasp clamping part 2, according to the needs of chamfer, rotate nut 11 for nut 11 drives spacing ring 9 and slides along drilling rod 1, sliding structure 6 slides along spout 5, thereby promotes chamfer sword 4, changes the angle between chamfer sword 4 and drilling rod 1, thereby need not to change different chamfer brill, only need rotate nut 11 just can adjust the angle of chamfer, in order to improve the efficiency of production greatly.

The chamfering tool 4 comprises a tool body 12 and two scrapers 13, the two scrapers 13 are fixedly connected with each other at two sides of the top of the tool body 12, the chute 5 is arranged in the tool body 12, and the tool body 12 is rotatably connected with one end of the chute and the fixed block 19.

In the present embodiment, the blades 13 are provided on both sides of the blade 12, so that chamfering operation can be performed when the drill is rotated forward or backward.

The sliding structure 6 includes a movable ring 14, a connecting rod 15 and a sliding column 16, wherein the outer wall of the movable ring 14 is fixedly connected with one end of the connecting rod 15, the other end of the connecting rod 15 is fixedly connected with the outer wall of the sliding column 16, the outer wall of the sliding column 16 is slidably connected with the inner wall of the sliding chute 5, and the inner wall of the movable ring 14 is rotatably connected with the outer wall of the fixed ring 7.

In this embodiment, when removing solid fixed ring 7, can promote a plurality of expansion rings 14 simultaneously to can adjust a plurality of chamfer sword 4 together change angle simultaneously, a plurality of chamfer sword 4 support the hole jointly when the chamfer, conveniently confirm the centre of a circle in hole, and under the common chamfer of a plurality of chamfer sword 4, can accelerate the efficiency of chamfer.

The outer wall of one side of the nut 11 is fixedly connected with a clamping ring 17, the inner wall of the clamping ring 17 is movably connected with the outer wall of the drill rod 1, the inner wall of one side of the connecting cylinder 10 away from the limiting ring 9 is fixedly connected with an annular sheet 18, and the outer wall of the clamping ring 17 is movably connected with the inner wall of the annular sheet 18.

In this embodiment, a groove is formed between the snap ring 17 and the nut 11 to limit the annular piece 18, so that the snap ring 17 will push the connecting cylinder 10 to move together when moving.

Wherein the cross-sectional shape of the snap ring 17 is L-shaped.

In this embodiment, the L-shaped configuration of the snap ring 17 is capable of capturing the ring segments 18.

Wherein the outer wall of the ring segment 18 is bonded to the inner wall of the connecting cylinder 10.

In this embodiment, during installation, the ring-shaped piece 18 may be placed in the groove on the outer wall of the snap ring 17, then the outer wall of the ring-shaped piece 18 is glued, and then the ring-shaped piece 18 is inserted into the inner wall of the connecting cylinder 10 to fix, thereby completing the assembly.

The working principle and the using flow of the utility model are as follows: during the use, grasp clamping part 2, according to the needs of chamfer, rotate nut 11 for nut 11 drives spacing ring 9 and slides along drilling rod 1, and sliding structure 6 slides along spout 5, thereby promotes chamfer sword 4, changes the angle between chamfer sword 4 and drilling rod 1, thereby need not to change different chamfer and bore, only need rotate nut 11 just can adjust the angle of chamfer.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a machining drill bit that adaptation degree is high, includes drilling rod (1), its characterized in that: external screw threads (3) are arranged on the outer wall of the drill rod (1), one end fixedly connected with clamping part (2) of the drill rod (1), one side outer wall fixedly connected with a plurality of evenly distributed fixed blocks (19) of the drill rod (1) are far away from the clamping part (2), each outer wall of the fixed block (19) is rotationally connected with a chamfering cutter (4), a chute (5) is arranged on one side outer wall of the chamfering cutter (4) close to the drill rod (1), a sliding structure (6) is slidingly connected with the inner wall of the chute (5), a limiting ring (9) is slidingly connected with the outer wall of the drill rod (1), a fixed ring (7) is sleeved on the outer wall of the limiting ring (9), a plurality of connecting plates (8) are fixedly connected with the outer wall of the limiting ring (9) through a plurality of connecting plates (8), the outer wall of the fixed ring (7) is rotationally connected with a plurality of sliding structures (6), a connecting cylinder (10) is sleeved on the outer wall of the drill rod (1), one end of the connecting cylinder (10) is fixedly connected with the other end (11), the drill rod (1) is in threaded connection with the inner wall of the nut (11) through the arranged external thread (3).

2. A highly adaptable machining drill bit as defined in claim 1, wherein: the chamfering tool (4) comprises a tool body (12) and two scrapers (13), wherein the two scrapers (13) are fixedly connected with two sides of the top of the tool body (12), the sliding groove (5) is formed in the tool body (12), and one end of the tool body (12) is rotationally connected with the fixed block (19).

3. A highly adaptable machining drill bit as defined in claim 1, wherein: the sliding structure (6) comprises a movable ring (14), a connecting rod (15) and a sliding column (16), wherein the outer wall of the movable ring (14) is fixedly connected with one end of the connecting rod (15), the other end of the connecting rod (15) is fixedly connected with the outer wall of the sliding column (16), the outer wall of the sliding column (16) is in sliding connection with the inner wall of the sliding groove (5), and the inner wall of the movable ring (14) is in rotary connection with the outer wall of the fixed ring (7).

4. A highly adaptable machining drill bit as defined in claim 1, wherein: one side outer wall fixedly connected with snap ring (17) of nut (11), the inner wall of snap ring (17) and the outer wall swing joint of drilling rod (1), one side inner wall fixedly connected with annular piece (18) of spacing collar (9) is kept away from to connecting cylinder (10), the outer wall of snap ring (17) and the inner wall swing joint of annular piece (18).

5. The high fit machining bit of claim 4, wherein: the cross section of the clamping ring (17) is L-shaped.

6. The high fit machining bit of claim 4, wherein: the outer wall of the annular piece (18) is adhered with the inner wall of the connecting cylinder (10).