CN219665218U - Boring cutter head of multistage drill bit - Google Patents

Abstract

A boring cutter head of a multi-stage drill bit. The novel cutter comprises a cutter head main body, a primary cutter head, a tertiary cutter head and a secondary cutter head which are arranged on the cutter head main body, wherein the primary cutter head, the secondary cutter head and the tertiary cutter head are sequentially connected onto the axial direction of the cutter head main body from outside to inside, the primary cutter head, the secondary cutter head and the tertiary cutter head are sequentially arranged on the radial direction of the cutter head main body from outside to outside based on the circle center of the cutter head main body, and a liquid guide hole is formed in the cutter head main body. The utility model has the beneficial effects that: when this equipment adopts and carries out the processing operation, the staff can accomplish the processing of three different apertures fast, need not to make a round trip to adjust with change the tool bit, effectively improved drilling effect, and tertiary processing tool bit, also can drill simultaneously, accomplishes the processing operation of tertiary counter bore, and is more convenient fast.

Description

Boring cutter head of multistage drill bit

Technical Field

The utility model relates to a boring cutter head, in particular to a boring cutter head of a multi-stage drill bit.

Background

The boring cutter is a hole processing cutter, is generally a round handle, and is also commonly used for a vertical lathe with a square cutter bar for a larger workpiece, and the most common occasions are inner hole processing, reaming, profiling and the like. However, the inner hole is not processed, and the outer circle of the end face can be processed, but is not used conventionally.

The prior art 201520103286.6 discloses a boring cutter head, wherein an axial groove for installing a cutter holder is formed on the outer side surface of the boring cutter head, a threaded hole is formed in the radial side of the axial groove, and an axial adjusting screw is installed in the threaded hole. According to the boring cutter head, the axial adjusting screw is arranged on the boring cutter head, so that the cutter holder is prevented from being provided with the threaded hole for mounting the axial adjusting screw to reduce the strength, the machining procedure of the cutter holder is simplified, and the cutter holder is more in use number, so that the machining cost of the cutter holder can be greatly reduced, and the use cost of the boring cutter head is further reduced.

In the prior art, although the processing cost of the cutter holder can be greatly reduced, and the use cost of the boring cutter head is further reduced, meanwhile, when the cutter holder is replaced, the axial adjusting screw does not need to be disassembled, so that the installation position of the cutter holder is not required to be preset when the cutter holder is installed, the replacement efficiency is improved, when the cutter holder is required to be subjected to multi-stage hole processing operation, a worker is still required to replace and adjust the cutter head, the processing operation on the hole diameter cannot be rapidly performed, the replacement effect is still lower, and the processing operation by the worker is inconvenient.

Disclosure of Invention

Aiming at the defects and defects in the prior art, the utility model provides the boring cutter head of the multi-stage drill bit, when the equipment is used for machining operation, a worker can quickly finish machining of three different apertures without adjusting and replacing the cutter head back and forth, so that the drilling effect is effectively improved, and the three-stage machining cutter head can also simultaneously drill holes to finish machining operation of three-stage counter bores, thereby being more quick and convenient.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a boring cutter head of multistage drill bit, it includes tool bit main part 4 to and set up one-level tool bit 2, tertiary tool bit 3 and the second grade tool bit 6 on tool bit main part 4, one-level tool bit 2, second grade tool bit 6 and tertiary tool bit 3 connect gradually in the axial of tool bit main part 4 from outside to inside, and one-level tool bit 2, second grade tool bit 6 and tertiary tool bit 3 outwards set up in the radial of tool bit main part 4 in proper order based on the centre of a circle of tool bit main part 4, be equipped with liquid guiding hole 1 on the tool bit main part 4.

Further, the end of the tool bit body 4 is provided with an ampere-turn drill bit 5.

Further, the liquid guiding hole 1 comprises a liquid guiding sinking port 11, a liquid guiding communication hole 12 and a mounting sinking groove 13, the liquid guiding sinking port 11 is communicated with the liquid guiding communication hole 12, the liquid guiding communication hole 12 is communicated with the mounting sinking groove 13, and the mounting sinking groove 13 is arranged in the mounting rotary drill bit 5.

Furthermore, the primary tool bit 2, the tertiary tool bit 3 and the secondary tool bit 6 are all provided with two groups.

Further, the primary cutter head 2 and the tertiary cutter head 3 are both arranged on the axial horizontal plane of the cutter head main body 4.

Further, the included angle between the primary cutter head 2 and the secondary cutter head 6 is 90 degrees, and the included angle between the secondary cutter head 6 and the tertiary cutter head 3 is 90 degrees.

After the technical scheme is adopted, the utility model has the beneficial effects that: when this equipment adopts and carries out the processing operation, the staff can accomplish the processing of three different apertures fast, need not to make a round trip to adjust with change the tool bit, effectively improved drilling effect, and tertiary processing tool bit, also can drill simultaneously, accomplishes the processing operation of tertiary counter bore, and is more convenient fast.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic front view of the structure corresponding to fig. 1.

Fig. 3 is a right-side view of the structure of fig. 1.

Fig. 4 is a schematic view in partial cross-section based on fig. 3.

Reference numerals illustrate: liquid guiding hole 1, one-stage tool bit 2, three-stage tool bit 3, tool bit main part 4, ampere-turn drill bit 5, second grade tool bit 6, liquid guiding sunk mouth 11, liquid guiding communication hole 12, installation sunk groove 13.

Detailed Description

Referring to fig. 1 to 4, the technical scheme adopted in this embodiment is as follows: the novel cutter head comprises a cutter head body 4, a primary cutter head 2, a tertiary cutter head 3 and a secondary cutter head 6 which are arranged on the cutter head body 4, wherein the primary cutter head 2, the secondary cutter head 6 and the tertiary cutter head 3 are sequentially connected to the axial direction of the cutter head body 4 from outside to inside, the primary cutter head 2, the secondary cutter head 6 and the tertiary cutter head 3 are sequentially arranged on the radial direction of the cutter head body 4 from outside to outside based on the circle center of the cutter head body 4, and a liquid guide hole 1 is formed in the cutter head body 4.

More specifically, the end of the bit body 4 is provided with a safety rotary drill bit 5. An Zhuaizuan the head 5 facilitates the mounting of the head body 4 to the machining lathe by a worker.

More specifically, the liquid guiding hole 1 includes a liquid guiding sinking port 11, a liquid guiding communicating hole 12, and a mounting sinking groove 13, the liquid guiding sinking port 11 is communicated with the liquid guiding communicating hole 12, the liquid guiding communicating hole 12 is communicated with the mounting sinking groove 13, and the mounting sinking groove 13 is arranged in the mounting rotary drill bit 5. The liquid guide hole 1 facilitates the discharge and the introduction of liquid and air.

More specifically, the primary cutter head 2, the tertiary cutter head 3 and the secondary cutter head 6 are provided with two groups. The two groups of tool bits can better carry out the processing operation of hole, guarantee the machining efficiency and the stability of its boring tool bit.

More specifically, the primary cutter head 2 and the tertiary cutter head 3 are both arranged on the axial horizontal plane of the cutter head main body 4, the included angle between the primary cutter head 2 and the secondary cutter head 6 is 90 degrees, and the included angle between the secondary cutter head 6 and the tertiary cutter head 3 is 90 degrees. The three tool bits are arranged at 90 degrees, so that the three tool bits can perform drilling operation to the greatest extent.

The working principle of the utility model is as follows: when processing and using, the staff can install its equipment to the processing lathe, when single bore hole of processing alone, staff one-level tool bit 2 can directly process the hole to, and when needing to process bigger aperture, then can use its second grade tool bit 6 and tertiary tool bit 3, the tool bit in three different apertures can process the hole in three different apertures, the three tool bit is processed in proper order, not only guaranteed the success rate of aperture processing, and can once process out the hole of tertiary heavy groove, wherein, liquid guide hole 1 can in time discharge the waste water that drilling produced, waste gas and air, guarantee the machining precision and the efficiency of its boring tool bit.

The above description is only for the purpose of illustrating the technical solution of the present utility model and not for the purpose of limiting the same, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (6)

1. The utility model provides a boring cutter head of multistage drill bit which characterized in that: the novel cutter comprises a cutter head main body (4), and a primary cutter head (2), a tertiary cutter head (3) and a secondary cutter head (6) which are arranged on the cutter head main body (4), wherein the primary cutter head (2), the secondary cutter head (6) and the tertiary cutter head (3) are sequentially connected onto the axial direction of the cutter head main body (4) from outside to inside, and the primary cutter head (2), the secondary cutter head (6) and the tertiary cutter head (3) are sequentially arranged on the radial direction of the cutter head main body (4) from outside to outside based on the circle center of the cutter head main body (4), and a liquid guide hole (1) is formed in the cutter head main body (4).

2. The boring head for a multi-stage drill bit as recited in claim 1, wherein: the tail end of the tool bit main body (4) is provided with a An Zhuaizuan head (5).

3. The boring head for a multi-stage drill bit as recited in claim 1, wherein: the liquid guiding hole (1) comprises a liquid guiding sinking port (11), a liquid guiding communication hole (12) and a mounting sinking groove (13), wherein the liquid guiding sinking port (11) is communicated with the liquid guiding communication hole (12), the liquid guiding communication hole (12) is communicated with the mounting sinking groove (13), and the mounting sinking groove (13) is arranged in the mounting rotary drill bit (5).

4. The boring head for a multi-stage drill bit as recited in claim 1, wherein: the primary tool bit (2), the tertiary tool bit (3) and the secondary tool bit (6) are respectively provided with two groups.

5. The boring head for a multi-stage drill bit as recited in claim 1, wherein: the primary tool bit (2) and the tertiary tool bit (3) are arranged on the axial horizontal plane of the tool bit main body (4).

6. The boring head for a multi-stage drill bit as recited in claim 1, wherein: the included angle between the primary cutter head (2) and the secondary cutter head (6) is 90 degrees, and the included angle between the secondary cutter head (6) and the tertiary cutter head (3) is 90 degrees.