CN220445140U - Coating drilling tool for processing through groove - Google Patents

Abstract

The utility model belongs to the technical field of machining tools, in particular to a coating drilling tool for processing through grooves, which comprises a tool bar and tool bits, wherein the tool bits are arranged at two ends of the tool bar, mounting holes are formed in the two ends of the tool bar, a packing sleeve is arranged in the mounting holes, a packing ring is sleeved on the outer end surface of the packing sleeve, a hexagonal ring is fixedly connected with the outer end of the packing ring, four circumferentially distributed positioning grooves are formed in the outer edge of the inner end of the packing sleeve, and four circumferentially distributed positioning pins are fixed on the inner wall of the inner end of the mounting hole.

Description

Coating drilling tool for processing through groove

Technical Field

The utility model belongs to the technical field of machining tools, and particularly relates to a coating drilling tool for processing through grooves.

Background

The drill bit is used for drilling and processing, and is usually provided with double blades and three blades, and the drill bit is used for continuously cutting into materials by virtue of a main cutting edge in operation so as to achieve the requirement of removing the materials and achieving the product. The spiral milling cutter is a rotary cutter for milling and provided with one or more cutter teeth, and when in operation, each cutter tooth cuts off the allowance of a workpiece intermittently in sequence to finish the processing of a product;

through investigation publication (bulletin) number: 201320362556.6A drilling and milling cutter for processing through slots, which adopts reasonable design of the rear angle and the rear angle width of a cutter to ensure that a product processed by the cutter is transversely fed after a through hole is drilled, and directly processes the through slots of a plate material, has the technical effects of no obvious stripes on the surface, no obvious vibration blade spinning, good processed surface finish, and the like;

however, the cutter bar and the cutter head are of an integrated structure, and the cutter bar of the general cutter is long due to the fact that the cutter can be worn or broken in the processing process, so that the cutter is easy to fix, the cutter head and the cutter bar are discarded after the cutter is damaged and scrapped, and therefore the production cost is increased.

In order to solve the problems, the application provides a coating drill for processing through grooves.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a coating drill for processing through grooves, which has the characteristics that a cutter head can be quickly and conveniently assembled and disassembled from a cutter bar, and is firmly fixed after being installed, and a new cutter head can be detached and replaced after the old cutter head is damaged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lead to coating drill bit for groove processing, includes cutter arbor and tool bit, the tool bit is installed at the both ends of cutter arbor, the inside installing port of having seted up in both ends of cutter arbor, the internally mounted of installing port has and compels tight cover, the outer end surface cover of compelling tight cover is equipped with and compels tight ring, the outer end fixedly connected with hexagonal ring of compelling tight ring.

As a preferable technical scheme of the coating drilling tool for processing the through groove, four circumferentially distributed positioning grooves are formed in the outer edge of the inner end of the packing sleeve, and four circumferentially distributed positioning pins are fixed on the inner wall of the inner end of the mounting opening.

As a preferable technical scheme of the coating drilling tool for processing the through groove, four circumferentially distributed grooves are formed in the outer wall of the packing sleeve.

As a preferable technical scheme of the coating drilling tool for processing the through groove, the outer surface of the pressing ring is in threaded connection with the inner surface of the mounting hole.

As a preferable technical scheme of the coating drilling tool for processing the through groove, the outer surface of the packing sleeve is of a small outer and large inner structure, and the inner surface of the packing ring is of a small outer and large inner structure.

As a preferable technical scheme of the coating drilling tool for processing the through groove, the material of the packing sleeve is a spring steel structure.

Compared with the prior art, the utility model has the beneficial effects that: when the cutter head is inserted into the mounting hole on the cutter bar, the cutter head sequentially passes through the hexagonal ring, the packing ring and the packing sleeve, and then the hexagonal ring is screwed clockwise, so that the hexagonal ring is matched with the packing ring to extrude the packing sleeve, the packing sleeve clamps the cutter head passing through the inside, and the cutter head is fixed on the cutter bar; when the cutter head needs to be replaced, the cutter head can be taken down for replacement after the hexagonal ring is rotated anticlockwise; the cutter head is only required to be replaced when damaged;

the packing sleeve can be taken out from the inside of the mounting opening on the cutter bar, so that the cutter head can be conveniently replaced according to the fit.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a schematic view of a three-dimensional assembly structure of the present utility model;

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

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

FIG. 5 is a schematic cross-sectional view of a tool bar according to the present utility model;

FIG. 6 is a schematic view of the structure of the packing sleeve of the present utility model;

in the figure: 1. a cutter bar; 2. a cutter head; 3. a mounting port; 4. a tightening sleeve; 5. a packing ring; 6. a hexagonal ring; 7. a groove is formed; 8. a positioning groove; 9. and (5) positioning pins.

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.

Examples

Referring to fig. 1-6, the present utility model provides the following technical solutions: the utility model provides a lead to coating drill bit for groove processing, including cutter arbor 1 and tool bit 2, tool bit 2 is installed at the both ends of cutter arbor 1, install the mouth 3 in the both ends inside of cutter arbor 1, install the internally mounted of mouth 3 and compel tight cover 4, the outer end surface cover of compel tight cover 4 is equipped with and compels tight ring 5, the outer end fixedly connected with hexagonal ring 6 of compel tight ring 5, in this embodiment, after tool bit 2 inserts the inside of the mouth 3 on cutter arbor 1, simultaneously tool bit 2 passes hexagonal ring 6, compel tight ring 5 and compel tight cover 4 in proper order, then clockwise rotation screw up hexagonal ring 6, make hexagonal ring 6 cooperate and compel tight ring 5 to compel tight cover 4 to extrude, make the tight cover 4 press from both sides tool bit 2 that the inside passed, thereby fix tool bit 2 on cutter arbor 1; when the cutter head 2 needs to be replaced, the cutter head 2 can be taken down for replacement after the hexagonal ring 6 is rotated anticlockwise.

Specifically, four circumferentially distributed positioning grooves 8 are formed in the outer edge of the inner end of the packing sleeve 4, four circumferentially distributed positioning pins 9 are fixed on the inner wall of the inner end of the mounting port 3, and in the embodiment, after the packing sleeve 4 is mounted in the mounting port 3 on the cutter bar 1, the positioning pins 9 are embedded into the positioning grooves 8, so that the mounted packing sleeve 4 is positioned, and position deviation is avoided.

Specifically, four circumferentially distributed grooves 7 are formed in the outer wall of the packing sleeve 4, and in this embodiment, the packing sleeve 4 has a space for contraction and gathering when being extruded through the grooves 7.

Specifically, the outer surface of the packing ring 5 is in threaded connection with the inner surface of the mounting port 3, and in this embodiment, when the hexagonal ring 6 is rotated, the packing ring 5 can be driven to rotate and move along the inside of the mounting port 3; and the hexagonal ring 6 can be taken down together with the packing ring 5, so that the packing sleeve 4 is taken out from the inside of the mounting port 3, and the matched tool bit 2 is convenient to replace.

Specifically, the outer surface of the packing sleeve 4 has a small outer and large inner structure, and the inner surface of the packing ring 5 has a small outer and large inner structure, so that the packing sleeve 4 can gather inwards when the packing ring 5 is sleeved on the packing sleeve 4 in the embodiment.

Specifically, the material of the packing sleeve 4 is a spring steel structure, and in this embodiment, the packing sleeve 4 has a certain elasticity.

The working principle and the using flow of the utility model are as follows: firstly, mounting the packing sleeve 4 in the mounting opening 3 on the cutter bar 1, and embedding the positioning pin 9 in the positioning groove 8, so as to position the mounted packing sleeve 4 and avoid position deviation; then, the packing ring 5 on the hexagonal ring 6 is installed on the installation opening 3, and finally, the cutter head 2 is inserted into the installation opening 3 on the cutter bar 1, meanwhile, the cutter head 2 sequentially penetrates through the hexagonal ring 6, the packing ring 5 and the packing sleeve 4, and then the hexagonal ring 6 is screwed clockwise to enable the hexagonal ring 6 to be matched with the packing ring 5 to squeeze the packing sleeve 4, so that the packing sleeve 4 clamps the cutter head 2 penetrating through the inside, and the cutter head 2 is fixed on the cutter bar 1; when the cutter head 2 needs to be replaced, the cutter head 2 can be taken down for replacement after the hexagonal ring 6 is rotated anticlockwise.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a lead to groove processing and use coating drill bit, includes cutter arbor (1) and tool bit (2), its characterized in that: the cutter comprises a cutter bar (1), wherein cutter heads (2) are arranged at two ends of the cutter bar (1), mounting ports (3) are formed in two ends of the cutter bar (1), a packing sleeve (4) is arranged in each mounting port (3), packing rings (5) are sleeved on the outer end surfaces of the packing sleeves (4), and hexagonal rings (6) are fixedly connected to the outer ends of the packing rings (5).

2. The coated drill for through slot machining according to claim 1, wherein: four circumferentially distributed positioning grooves (8) are formed in the outer edge of the inner end of the packing sleeve (4), and four circumferentially distributed positioning pins (9) are fixed on the inner wall of the inner end of the mounting opening (3).

3. The coated drill for through slot machining according to claim 1, wherein: four circumferentially distributed grooves (7) are formed in the outer wall of the packing sleeve (4).

4. The coated drill for through slot machining according to claim 1, wherein: the outer surface of the packing ring (5) is in threaded connection with the inner surface of the mounting opening (3).

5. The coated drill for through slot machining according to claim 1, wherein: the outer surface of the packing sleeve (4) is of an outer small inner large structure, and the inner surface of the packing ring (5) is of an outer small inner large structure.

6. The coated drill for through slot machining according to claim 1, wherein: the material of the packing sleeve (4) is of a spring steel structure.