CN213764144U

CN213764144U - Drilling reamer with drill bit and three cutting tool faces

Info

Publication number: CN213764144U
Application number: CN202022290360.3U
Authority: CN
Inventors: 丁浩
Original assignee: Changzhou Juren Precision Tools Co ltd
Current assignee: Changzhou Juren Precision Tools Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-23
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a take drilling reamer that has three cutting knife face of drill bit, including the cutter arbor, the fixed surface of cutter arbor has the fender ring, and the side of keeping off the ring is provided with the chip guide face, and the one end of cutter arbor is fixed with the tool bit, and the other end of tool bit is provided with the drill bit, and the side of drill bit is provided with the chip guide groove. The baffle ring is fixed on the surface of the cutter bar, and the sweeps are directionally sprayed through the scrap guide surface, so that convenience in collection and cleaning of the sweeps is realized, and the safety of workers is protected. The sweeps generated by the processing of the drill bit are ejected through the scrap guide grooves, and a small amount of the sweeps which are not ejected are collected, so that the situation that the sweeps abrade the hole wall of the drilled hole is avoided. A plurality of cutting grooves collect a small amount of scraps generated by three cutting tool surfaces, so that the hole wall is protected, and the quality of cutting processing is improved.

Description

Drilling reamer with drill bit and three cutting tool faces

Technical Field

The utility model belongs to the technical field of the drilling reamer, specifically be a drilling reamer who has three cutting knife faces of band bit.

Background

At present, a plurality of groups of holes are milled in a step-by-step mode in the processing of a plurality of groups of step holes in a part; four groups of holes are respectively processed by one drill bit and three boring cutters, and after each cutter changing, cutter clamping errors exist, so that the step depths are inconsistent, the arc transition is not smooth, and the processing quality is low; four groups of holes are respectively processed by four cutters, four times of cutter changing is needed, the dwell time is long, and the processing efficiency is low. We have therefore improved this by providing a drill reamer with a drill bit having three cutting faces.

The Chinese invention with the authorization notice number CNCN208195757U is specially favorable for 2018, 12 and 7, and discloses a drilling reamer with a drill bit and three cutting tool surfaces, wherein the drill bit, a first tool surface, a second tool surface and a third tool surface with diameters increasing in sequence are arranged from left to right from one end of a tool bit, which is far away from a tool bar; when a plurality of groups of step holes are processed, the step holes are processed and formed at one time, so that the processing process error is reduced, step arc cutter connecting traces are not generated, and the sizes of the steps are more accurate and consistent; four groups of holes are machined at one time, tool changing time and tool idle running time are reduced, and machining efficiency is obviously improved.

Although the existing drilling reamer with a drill bit and three cutting tool surfaces completes four groups of hole processing at one time, the tool changing time is reduced, and the processing quality is improved; however, when the drill bit drills and cuts, metal scraps are scattered and scattered, are not easy to clean and are easy to hurt people; in addition, when the cutting blade surface is used, no cutting space is reserved for collecting a small amount of scraps, and the small amount of scraps are easy to abrade the hole wall to influence the processing quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take drilling reamer that has three cutting knife faces of drill bit to solve when drill bit drilling and cutting, the metal sweeps can scatter the departure all around, difficult clearance and injure people's problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drilling reamer who has three cutting knife faces of band bit, includes the cutter arbor, the fixed surface of cutter arbor has the fender ring, the side of fender ring is provided with leads the bits face, the one end of cutter arbor is fixed with the tool bit, the other end of tool bit is provided with the drill bit, the side of drill bit is provided with leads the bits groove.

Preferably, the drill side surface is provided with a first cutting blade surface, a second cutting blade surface and a third cutting blade surface.

Preferably, the front end and the rear end of the first cutting blade face are provided with a first front cutting groove and a first rear cutting groove, the front end and the rear end of the second cutting blade face are provided with a second front cutting groove and a second rear cutting groove, and the front end and the rear end of the third cutting blade face are provided with a third front cutting groove and a third rear cutting groove.

Preferably, the baffle ring and the cutter bar are concentric and parallel, and the diameter of the baffle ring is not less than that of the cutter head.

Preferably, the chip guide surface is a V-shaped surface, the chip guide groove is a C-shaped groove, and the notch faces the direction of the drill bit.

Preferably, the first cutting blade surface, the second cutting blade surface and the third cutting blade surface are sequentially distant from the drill.

Preferably, the first front cutting groove, the first rear cutting groove, the second front cutting groove, the second rear cutting groove, the third front cutting groove and the third rear cutting groove are rectangular grooves and have the same size.

Compared with the prior art, the utility model discloses a take drilling reamer that has three cutting knife face of drill bit of example:

1. be provided with and keep off ring and lead the bits face, during the use, keep off the ring and fix on the surface of cutter arbor, the sweeps is through leading the directional flight of bits face to realized making things convenient for the sweeps to collect and clear up, and protection staff's safety.

2. The cutting groove is arranged, so that when the drill bit is used, scraps produced by machining the drill bit are ejected through the scrap guiding groove, and a small amount of scraps which are not ejected are collected, so that the situation that the scraps abrade the hole wall of the drilled hole is avoided.

3. The cutting tool is provided with the plurality of cutting grooves, and when the cutting tool is used, the plurality of cutting grooves collect a small amount of scraps generated by the three cutting tool faces, so that the hole wall is protected, and the quality of cutting machining is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a right side view of fig. 1 of the present invention.

In the figure: 1. a drill bit; 2. a chip guide groove; 3. a first cutting blade face; 4. a second cutting blade face; 5. a third cutting blade face; 6. a first front cutting flute; 7. a first back cut groove; 8. a second front cutting groove; 9. a second rear cutting groove; 10. a third front cutting groove; 11. thirdly, cutting a groove; 12. a cutter head; 13. a cutter bar; 14. a baffle ring; 15. and (5) chip-removing noodles.

Detailed Description

Referring to fig. 1 and 2, a reamer with a drill and three cutting tool faces includes a tool bar 13, wherein the tool bar 13 is a cylindrical structure; a baffle ring 14 is fixed on the surface of the cutter rod 13, the baffle ring 14 is concentric and parallel with the cutter rod 13, and the baffle ring 14 is close to the cutter head 12.

Referring to fig. 1 and 2, a scrap guide surface 15 is arranged on a side surface of the baffle ring 14, and the scrap guide surface 15 is a V-shaped surface for directional flying ejection of scraps through the scrap guide surface 15, so that the scraps are convenient to collect and clean; a cutter head 12 is fixed at one end of the cutter rod 13, and the diameter of the baffle ring 14 is not less than that of the cutter head 12.

Referring to fig. 1, a drill bit 1 is arranged at the other end of a tool bit 12, a chip guide groove 2 is arranged on the side surface of the drill bit 1, the chip guide groove 2 is a C-shaped groove, and the groove opening faces the direction of the drill bit 1.

Referring to fig. 1, a first cutting tool face 3, a second cutting tool face 4 and a third cutting tool face 5 are arranged on the side surface of a drill bit 1, and the first cutting tool face 3, the second cutting tool face 4 and the third cutting tool face 5 are sequentially away from the drill bit 1 and used for cutting a hole wall.

Referring to fig. 1, a first front cutting groove 6 and a first rear cutting groove 7 are formed at front and rear ends of a first cutting blade surface 3, a second front cutting groove 8 and a second rear cutting groove 9 are formed at front and rear ends of a second cutting blade surface 4, and a third front cutting groove 10 and a third rear cutting groove 11 are formed at front and rear ends of a third cutting blade surface 5.

Referring to fig. 1, the first front cutting groove 6, the first rear cutting groove 7, the second front cutting groove 8, the second rear cutting groove 9, the third front cutting groove 10 and the third rear cutting groove 11 are rectangular grooves and have the same size, and a small amount of scraps generated by three cutting tool faces are collected, so that the hole wall is protected, and the cutting quality is improved.

The working principle of the scheme is as follows: the drill bit 1, the first cutting blade surface 3, the second cutting blade surface 4 and the third cutting blade surface 5 are sequentially arranged on the surface of the tool bit 12; the baffle ring 14 is fixed on the surface of the cutter bar 13 and used for preventing the scraps from flying around and directionally ejecting through the scrap guide surface 15.

During processing, a drill bit 1 is used for processing, the scraps are ejected out through the scrap guide groove 2, and a small amount of scraps are collected by the scrap guide groove 2; and then, cutting machining is performed sequentially through the first cutting tool face 3, the second cutting tool face 4 and the third cutting tool face 5, and a small amount of scraps are collected through the first front cutting groove 6, the first rear cutting groove 7, the second front cutting groove 8, the second rear cutting groove 9, the third front cutting groove 10 and the third rear cutting groove 11, so that the hole wall is prevented from being worn by the scraps.

Claims

1. A drilling reamer with a drill bit having three cutting faces, comprising a cutter bar (13), characterized in that: the surface mounting of cutter arbor (13) has fender ring (14), the side of fender ring (14) is provided with leads bits face (15), the one end of cutter arbor (13) is fixed with tool bit (12), the other end of tool bit (12) is provided with drill bit (1), the side of drill bit (1) is provided with leads bits groove (2).

2. The drill reamer with three cutting faces of claim 1 wherein: the side surface of the drill bit (1) is provided with a first cutting tool face (3), a second cutting tool face (4) and a third cutting tool face (5).

3. The drill reamer with three cutting faces of claim 2 wherein: the front and back ends of the first cutting tool face (3) are provided with a first front cutting groove (6) and a first back cutting groove (7), the front and back ends of the second cutting tool face (4) are provided with a second front cutting groove (8) and a second back cutting groove (9), and the front and back ends of the third cutting tool face (5) are provided with a third front cutting groove (10) and a third back cutting groove (11).

4. The drill reamer with three cutting faces of claim 1 wherein: the baffle ring (14) and the cutter bar (13) are concentric and parallel, and the diameter of the baffle ring (14) is not less than that of the cutter head (12).

5. The drill reamer with three cutting faces of claim 1 wherein: the scrap guide surface (15) is a V-shaped surface, and the scrap guide groove (2) is a C-shaped groove.

6. The drill reamer with three cutting faces of claim 2 wherein: the drill bit is characterized in that the first cutting tool face (3), the second cutting tool face (4) and the third cutting tool face (5) are sequentially far away from the drill bit (1).

7. The drill reamer with three cutting faces of claim 3 wherein: the first front cutting groove (6), the first rear cutting groove (7), the second front cutting groove (8), the second rear cutting groove (9), the third front cutting groove (10) and the third rear cutting groove (11) are rectangular grooves.